JP2020178923A - Patient transfer device and air bearing - Google Patents

Abstract

To provide a patient transfer device that enables stable transfer of a plate base on which a patient is loaded, and has no influence on radioactive rays or the like radiated for inspection or treatment of the patient.SOLUTION: A patient transfer device includes an air bearing 14 provided on a plate base 10 on which a patient is to be loaded, the air bearing ejecting compressed air toward a loading surface of a loading member on which members including the plate base 10 are loaded to set the plate base 10 afloat. The air bearing 14 comprises: bag-like parts 16A to 16D made from resin film having bottom surface parts on which ejection hole boring areas on which a plurality of holes 16a for ejecting compressed air are bored are formed, the bottom surface part swelling toward the loading surface when the air bearing is swollen with supplied compressed air; and air supply flow passages 18a to 18c made from resin film having widths narrower than those of the respective bag-like parts 16A to 16D, the air supply flow passages being swollen with compressed air supplied to the respective bag-like parts 16A to 16D. When the bag-like parts 16A to 16D and the air supply flow passages 18a to 18b are swollen with supplied compressed air, the ejection hole boring areas are lowered below lower ends of the air supply flow passages 18a to 18b.SELECTED DRAWING: Figure 2

Description

The present invention relates to a patient transfer device and an air bearing that can simplify the transfer of a patient.

Currently, when transferring a patient on a bed or stretcher to an examination table or an examination table of an examination device, several people work together to lift and transfer the plate table on which the patient is placed. However, if the patient is relied on manpower, the burden on the person is large, and it becomes difficult to transport the patient when the manpower is insufficient.

In order to facilitate the transfer of the patient, it is conceivable to use mechanical force for the transfer such as raising and lowering the plate stand, but the device including the plate stand becomes complicated and large. In addition, it is required that examinations and treatments using radiation such as X-rays be performed by transferring the whole plate table on which the patient is mounted onto a table of a test device or a treatment device. In response to such a request, it is not preferable to provide a mechanical device for transfer on the plate base because it may affect the irradiation of radiation.

In this regard, Patent Document 1 below describes that the air bearing 100 shown in FIG. 13A is mounted on the lower surface side of the plate base on which the patient rests on the upper surface side. In the air bearing 100, a plurality of elongated tubular portions 104 are formed by forming welding lines 102 in which the insides of two films coated with a thermoplastic resin are welded linearly at predetermined intervals. Each of the tubular portions 104 is provided with a large number of injection holes for ejecting compressed air supplied from the supply port 106 on the bottom surface side thereof.

According to the air bearing 100 mounted on the lower surface side of the plate base on which the patient rests, the compressed air supplied to each tubular portion 104 is sent from the injection hole to the mounting surface of a mounting member such as a bed or a stretcher. Injected in the direction perpendicular to the air bearing 100, the plate base floats from the mounting surface thereof, and an air layer is formed between the lower surface side of the air bearing 100 and the mounting surface of the mounting member. By forming such an air layer, the frictional force with the mounting surface that hinders the transfer of the plate base can be reduced, and the plate base on which the patient is mounted can be easily transferred by a small number of people. Further, the air bearing 100 is made of resin and has no effect on the radiation or the like irradiating the patient.

However, according to the study by the present inventors, the air bearing 100 has compressed air injection holes formed over the entire surface of each tubular portion 104 on the bottom surface side, and injects compressed air from all the injection holes. This is difficult, and there is a possibility that an injection hole in which compressed air is not injected is generated and the levitation force of the plate base 108 becomes insufficient. Increasing the pressure of the compressed air so that the compressed air is injected from all the injection holes may cause the welding line 102 to peel off.

Further, even if compressed air is injected from all the injection holes, as shown in FIG. 13B, among all the injection holes bored over the entire bottom surface side of the tubular portion 104, the plate Some do not contribute to the levitation force of the platform 108. That is, the levitation force of the plate base 108 is an injection hole formed in the bottom surface of the tubular portion 104 along the mounting surface 110 of a mounting member such as a bed or stretcher on which the plate base 108 is mounted. It is due to the compressed air injected from. On the other hand, the compressed air injected from the injection hole formed in the peripheral surface portion of the tubular portion 104 away from the mounting surface 110 hardly contributes to the levitation force of the plate base 108 and is wasteful, which is also a cause of noise. Become.

Further, the number of injection holes on the bottom surface of the tubular portion 104 along the mounting surface 110 varies within the tubular portion 104 and / or between the tubular portions 104, and the levitation force with respect to the plate base 108 varies. There is a risk of instability such as tilting of the plate base 108. In order to eliminate the instability of the plate base 108, it is conceivable that the two outer tubular portions 104 shown in FIG. 13B are formed wider than the two inner tubular portions 104. If the tubular portions 104 having different widths are mixed, the degree of ejection of compressed air from the injection holes of the tubular portions 104 having different widths may be uneven, and the plate base 108 may be destabilized. Further, it is conceivable that the injection holes are not formed in the two outer tubular portions 104, but the bottom surfaces of the two outer tubular portions 104 come into contact with the mounting surface 110 to transfer the plate base 108. It may be difficult to do.

U.S. Pat. No. 10,166,160

The present invention solves the above-mentioned problems and provides a patient transfer device and an air bearing that can stably transfer a plate stand on which a patient is placed and does not affect the radiation emitted for examination or treatment of the patient. The purpose is to do.

In the patient transfer device according to the present invention, which has been made to achieve the above object, the mounting surface of the mounting member on which the member including the plate stand is mounted on the lower surface side of the plate stand on which the patient is placed on the upper surface side. An air bearing is provided to float the plate base by ejecting compressed air in the direction of the above, and the air bearing is a bottom surface portion that bulges in the above-mentioned mounting surface direction when swelled by the supplied compressed air. At least one resin film bag-shaped portion having an injection hole drilling region formed with a plurality of jet holes for ejecting the compressed air, and a bag-shaped portion narrower than the bag-shaped portion. When the bag-shaped portion and the air supply flow path are provided with an air supply flow path made of a resin film that swells with the compressed air supplied to the bag-shaped portion, and the bag-shaped portion and the air supply flow path swell with the compressed air supplied. It is characterized in that the injection hole drilling region is below the lower end of the air supply flow path.

A plurality of the bag-shaped portions and the air supply flow path for supplying the compressed air to each of the bag-shaped portions are formed on the lower surface side of the plate stand, so that the plate stand on which the patient is placed can be placed. It can be transferred more stably.

The strength of the air supply flow path can be improved by expanding the air supply flow path into a tubular shape by the compressed air supplied to the bag-shaped portion.

A cover plate is installed on the lower surface side of the plate base, and the bag-shaped portion and the air supply flow path are provided between the plate base and the cover plate, and the cover plate has the bag-shaped portion. By opening the opening corresponding to the injection hole drilling region of the above, it is possible to prevent excessive swelling of the air supply flow path, and the injection hole formed on the bottom surface of the bulging bag-shaped portion. Compressed air can be ejected in the direction perpendicular to the mounting surface of the mounting member such as a bed or a stretcher through the opening of the cover plate to raise the plate base.

When the compressed air is supplied to the bag-shaped portion of the opening of the cover plate, the injection hole drilling area of the cover plate expands from the opening in the direction of the above-mentioned mounting surface. Since the area is larger than the drilling area, the entire injection hole drilling area bulges from the opening of the cover plate, and compressed air can be reliably injected from each injection hole in the direction perpendicular to the mounting surface.

By using a bead bag in which foamed resin beads are filled in a bag-shaped airtight portion formed of a resin film instead of the plate base, the bead bag can transmit radiation and is placed on the upper surface side of the bead bag. The patient can be irradiated from the underside of the bead bag.

Since the bead bag is a suction type bead bag that sucks and exhausts air in the bag-shaped airtight portion to change the shape, the shape of the bead bag can be changed according to the body shape of the patient.

Since the bead bag, the bag-shaped portion, and the air supply flow path are integrally formed, the handleability thereof can be improved.

The air bearing according to the present invention, which has been made to achieve the above object, is provided on the lower surface side of a plate base on which a patient is mounted and moved, and a mounting member on which a member including the plate base is mounted is mounted. Compressed air is ejected in the direction of the mounting surface to levitate the plate, and when the plate is expanded by the supplied compressed air, the compressed air is blown onto the bottom surface portion that is expanded in the direction of the mounting surface described above. At least one resin film bag-shaped portion having an injection hole drilling region in which a plurality of jet holes to be ejected are formed, and a bag-shaped portion formed narrower than the bag-shaped portion and formed in the bag-shaped portion. It is provided with an air supply flow path made of a resin film that swells with the supplied compressed air, and when the bag-shaped portion and the air supply flow path swell with the supplied compressed air, the injection hole is pierced. It is characterized in that the provided injection hole drilling region is below the lower end of the air supply flow path.

Since a plurality of the bag-shaped portions are formed and the air supply flow path for supplying the compressed air is formed in each of the bag-shaped portions, the plate base can be transferred more stably.

The strength of the air supply flow path can be improved by expanding the air supply flow path into a tubular shape by the compressed air supplied to the bag-shaped portion.

According to the patient transfer device according to the present invention, when the bag-shaped portion constituting the air bearing and the air supply flow path are expanded by the supplied compressed air, the bed, stretcher, etc. on which the plate stand is placed, etc. Compressed air is injected from the injection hole in the injection hole drilling region formed on the bottom surface of the bag-shaped portion that bulges in the direction of the mounting surface of the mounting member, and acts as a levitation force of the plate base. At this time, the injection hole drilling area of the bulging bag-shaped portion is below the lower end of the bulging air supply flow path, and the air supply flow path in which the compressed air injection hole is not drilled is a plate. The plate table on which the patient is placed can be smoothly transferred without touching the mounting surface of the table. Further, since the air supply flow path for supplying the compressed air to the bag-shaped portion in which the compressed air injection hole is formed is formed narrower than the bag-shaped portion and the injection hole is not formed, the air supply flow. The pressure resistance of the path can be easily improved, and sufficient compressed air is supplied into the bag-shaped portion through the air supply flow path so that compressed air is sufficiently ejected from each of the injection holes formed in the bag-shaped portion. it can. Further, both the bag-shaped portion and the air supply flow path are made of a radiation-permeable resin film, and the influence of the air bearing can be ignored during irradiation.

It is a perspective view which shows an example of the patient transfer apparatus to which this invention is applied. It is an assembly drawing of the patient transfer apparatus to which this invention is applied, and shows that the air bearing and the cover plate with the bottom side facing up are sequentially laminated on the lower surface of a plate base. It is a bottom view of the air bearing which constitutes this invention. FIG. 3 is a partial cross-sectional perspective view illustrating a state in which compressed air is supplied to the air bearing shown in FIG. It is a perspective view which shows the state which the air bearing and the cover plate are attached to the lower surface side of a plate base. It is a partial cross-sectional perspective view explaining the state when compressed air is supplied to the air bearing mounted sandwiched between a plate base and a cover plate. It is sectional drawing explaining the transfer by the patient transfer device which attached the air bearing on the lower surface side of a plate base. It is a front view which shows the other air bearing applicable to this invention. It is sectional drawing of another patient transfer apparatus applicable to this invention. It is sectional drawing of another patient transfer apparatus applicable to this invention. It is an assembly drawing of another patient transfer apparatus to which this invention can apply, and shows that the air bearing and the cover plate which face | face up with the bottom side are sequentially laminated on the lower surface of a plate base. It is a vertical cross-sectional perspective view of another patient transfer device to which this invention can apply. It is the bottom view of the conventional air bearing and the sectional view of the conventional patient transfer device.

Hereinafter, modes for exemplifying the present invention will be described in detail, but the scope of the present invention is not limited to these forms.

FIG. 1 is a perspective view showing an example of a patient transfer device to which the present invention is applied. As shown in FIG. 1, an air bearing is covered with a cover plate 12 and mounted on the lower surface 10b side of the rectangular plate base 10 on which the patient M lies on the upper surface 10a side. In the patient transfer device shown in FIG. 1, as shown in FIG. 2, an air bearing 14 and a cover plate 12 with the bottom surface side facing upward are sequentially laminated on the lower surface 10b of the plate base 10. The air bearing 14 has a rectangular shape and is sandwiched between the lower surface 10b of the plate base 10 and the cover plate 12. The cover plate 12 has a rectangular opening 12a opened at a position corresponding to each of the chest and legs of the patient M.

As shown in FIG. 3, the air bearing 14 is a rectangular one composed of two resin films 14a and 14b, and the predetermined portions thereof are joined to form a rectangular bag-shaped portion 16A to 16D and a bag-shaped portion 16A. Air supply flow paths 18a to 18c for supplying compressed air are formed in each of the to 16D. The bag-shaped portions 16A to 16D have the same size and are formed at locations corresponding to the chest and legs of the patient M when the rectangular air bearing 14 is attached to the plate base 10. A large number of compressed air injection holes 16a are formed in the resin film 14a forming the bag-shaped portions 16A to 16D to form an injection hole drilling region. Each of the bag-shaped portions 16A to 16D is formed by joining the resin films 14a and 14b at the joint portion 20 forming each side, leaving the compressed air inlet 21. Further, each of the air supply flow paths 18a to 18c is formed by joining the resin films 14a and 14b at the joint portions 20 forming both ends along the long axis thereof. Each of the air supply channels 18a to 18c thus formed is narrower than each of the bag-shaped portions 16A to 16D, and the injection hole 16a is not formed. The compressed air supplied from the supply port 22 mounted at one end of the air supply flow path 18a is formed in the central portion of the air bearing 14 along the major axis direction as shown by the arrow in FIG. It passes through 18a and is diverted into air supply flow paths 18b and 18b in which an intermediate portion is connected to the other end of the air supply flow path 18a. The separated compressed air is divided into air supply passages 18c and 18c to which an intermediate portion is connected to each end of the air supply passage 18b, and is supplied to each of the bag-shaped portions 16A to 16D from each compressed air inlet 21. ..

For each of the resin films 14a and 14b, a cloth fabric made of chemical fibers such as nylon coated with a thin film made of a resin such as urethane resin or vinyl chloride resin, or synthetic leather can be used, and the thickness thereof can be adjusted. It is preferably 50 μm to 1 mm. In the air bearing 14 composed of such resin films 14a and 14b, when compressed air is supplied from the supply port 22, the air supply flow paths 18a to 18c and the bag-shaped portions 16A to 16D swell, and the compressed air is charged. When the supply is stopped, it returns to a thin and flat shape.

FIG. 4 shows a partial cross-sectional perspective view corresponding to the AA plane of FIG. 2 in which the resin film 14a side of the air bearing 14 shown in FIG. 3 is directed downward and compressed air is supplied from the supply port 22. The compressed air supplied from the supply port 22 to the air supply flow path 18a passes between the resin films 14a and 14b forming the air supply flow path 18a, and is a bag from the compressed air inlets 21 of the bag-shaped portions 16A and 16B. It is supplied between the resin films 14a and 14b forming the shaped portions 16A and 16B, and is jetted from a large number of injection holes 16a in the injection hole drilling region formed on the bottom surface of the bag-shaped portions 16A and 16B. When the compressed air is supplied to the air supply flow path 18a and the bag-shaped portions 16A and 16B in this way, the air supply flow path 18a bulges into a tubular shape as shown in FIG. The bag-shaped portions 16A and 16B also bulge, and the injection hole drilling region of the bag-shaped portions 16A and 16B is located below the lower end of the tubular bulging air supply flow path 18a. As is clear from FIG. 4, the air supply flow path 18a and the bag-shaped portions 16A and 16B are separated by a joint portion 20 for joining the resin films 14a and 14b.

The air bearing 14 shown in FIG. 3 is sandwiched between the lower surface 10b of the plate base 10 and the cover plate 12 as shown in FIG. The air bearing 14 and the lower surface 10b of the plate base 10 have quadrangular regions 15 and 15 and a T-shaped region 17 surrounded by the joint portion 20 shown in FIG. 3 of the air bearing 14, and the adhesive layer is an elastic member such as a sponge material. It is joined via a thick double-sided tape (hereinafter, simply referred to as a thick double-sided tape) formed by sandwiching the above. Further, both the air bearing 14 and the cover plate 12 are joined with the quadrangular regions 15 and 15 surrounded by the joint portion 20 shown in FIG. 3 of the air bearing 14 and the T-shaped region 17 via a thick double-sided tape. At this time, the air bearing 14 and the cover plate 12 are formed so that each of the drilling regions in which the injection holes 16a of the air bearing 14 joined to the cover plate 12 are bored faces the opening 12a of the cover plate 12. , Adjust the position. Further, the lower surface 10b of the plate base 10 and the cover plate 12 are joined by a thick double-sided tape at their peripheral edges.

FIG. 5 shows a state in which the air bearing 14 and the cover plate 12 are mounted on the lower surface 10b of the plate base 10. FIG. 5 is a perspective view from the lower surface 10b side of the plate base 10. As shown in FIG. 5, the injection hole drilling region of the air bearing 14 faces each opening 12a of the cover plate 12. FIG. 6 shows a state when compressed air is supplied from the supply port 22 to the air bearing 14 in the state shown in FIG. FIG. 6A is a partial cross-sectional perspective view of the XX plane of FIG. 5, and the air bearing 14 is a portion corresponding to the AA plane shown in FIG. The lower surface 10b of the plate base 10 and the cover plate 12 are joined by thick double-sided tapes 24a and 24b attached along the respective edges. In each of the bag-shaped portions 16A and 16B to which compressed air is supplied via the air supply flow path 18a, the resin film 14a forming the bag-shaped portions 16A and 16B bulges in the direction of the opening 12a of the cover plate 12, and the resin The film 14b bulges toward the lower surface 10b of the plate base 10. Of these bulges, the bulge of the resin film 14b toward the lower surface 10b of the plate base 10 is restricted by abutting against the lower surface 10b of the plate base 10, but the opening of the cover plate 12 of the resin film 14a is limited. The swelling of the injection hole piercing region facing the portion 12a is not limited, and the injection hole piercing region bulges below the cover plate 12 to inject compressed air from a large number of injection holes 16a. On the other hand, the air supply flow path 18a bulges in a tubular shape, abuts on the lower surface 10b of the plate base 10 and the cover plate 12, and does not bulge below the cover plate 12.

FIG. 6B is a partial cross-sectional perspective view of the YY plane of FIG. 5, and the air bearing 14 is a portion corresponding to the BB plane shown in FIG. 2, and the bag-shaped portions 16C and 16D. Only the air supply channels 18c and 18c for supplying compressed air are formed. Of the plate base 10, the air bearing 14, and the cover plate 12, the lower surface 10b of the plate base 10 and the cover plate 12 are joined by thick double-sided tapes 24a and 24b attached along the respective edges, and the air bearing. The 14 and the cover plate 12, the air bearing 14 and the plate base 10 are joined by thick double-sided tapes 24c and 24d attached to a wide portion of the T-shaped region 17 (see FIG. 3) of the air bearing 14. The air supply channels 18c and 18c to which the compressed air is supplied bulge into a tubular shape and come into contact with the lower surface 10b of the plate base 10 and the cover plate 12.

6 (c) is a partial cross-sectional perspective view of the ZZ plane of FIG. 5, and the air bearing 14 is a portion corresponding to the CC plane shown in FIG. 2, and the bag-shaped portions 16C and 16D. Only are formed. Of the plate base 10, the air bearing 14, and the cover plate 12, the lower surface 10b of the plate base 10 and the cover plate 12 are joined by thick double-sided tapes 24a and 24b attached along the respective edges, and the air bearing. The 14 and the cover plate 12, the air bearing 14 and the plate base 10 are joined by thick double-sided tapes 24e and 24f attached to the narrow portion of the T-shaped region 17 (see FIG. 3) of the air bearing 14. In each of the bag-shaped portions 16C and 16D to which compressed air is supplied from the air supply flow paths 18C and 18C, the resin film 14a forming the bag-shaped portions 16C and 16D bulges in the direction of the opening 12a of the cover plate 12, and the resin The film 14b bulges in the direction of the lower surface 10b of the plate base 10. Of these bulges, the bulge of the resin film 14b in the direction of the lower surface 10b of the plate base 10 is restricted by abutting against the lower surface 10b of the plate base 10, but the opening of the cover plate 12 of the resin film 14a. The swelling of the injection hole piercing region facing the 12a is not limited, and the injection hole piercing region bulges below the cover plate 12 to inject compressed air from a large number of injection holes 16a.

The transfer by the patient transfer device in which the air bearing 14 is mounted on the lower surface 10b side of the plate base 10 will be described with reference to FIG. 7, which is a cross-sectional view taken along the line AA shown in FIG. As shown in FIG. 7, compressed air enters the air bearing 14 from the supply port 22 in a state where the plate base 10, the air bearing 14, and the cover plate 12 on which the patient M is placed are placed on the mounting surface of the mounting member 26. The compressed air is supplied to the bag-shaped portions 16A and 16B via the air supply flow path 18a, and the bag-shaped portions 16A and 16B are expanded. In particular, each injection hole region of the resin film 14a forming the bottom surface portions of the bag-shaped portions 16A and 16B bulges from the openings 12a and 12a of the cover plate 12 in the direction of the mounting surface of the mounting member 26, and the injection holes. Compressed air is injected from each of the 16a in a direction perpendicular to the mounting surface of the mounting member 26 such as a bed or a stretcher, and the plate base 10 floats. The compressed air injected from each of the injection holes 16a flows between the bored region of the injection hole 16a of the resin film 14a and the mounting surface of the mounting member 26 as shown in the partially enlarged view shown in FIG. Form an air layer. Further, the air supply flow path 18a to which the compressed air is supplied also bulges into a tubular shape, and the lower end thereof comes into contact with the cover plate 12. Since the injection hole drilling regions of the bag-shaped portions 16A and 16B that bulge downward from the opening 12a of the cover plate 12 are below the lower end of the bulging air supply flow path 18a, the air is supplied. The plate base 10 on which the patient M is placed can be smoothly transferred by a small number of people without the flow path 18a coming into contact with the mounting surface and hindering the transfer of the plate base 10 on which the patient M is placed. The air supply channels 18b and 18c and the bag-shaped portions 16C and 16D to which the compressed air is supplied are also the same as the air supply passage 16a and the bag-shaped portions 18A and 19B.

In the air bearing 14 shown in FIGS. 2 to 7, a bag-shaped portion 16A to 16D composed of two resin films 14a and 14b and an air supply flow path 18a to 18c are integrally formed, and FIG. As shown in the above, the bag-shaped portions 16A and 16B and the air supply flow path 18a may be separated, and the quadrangular regions 15 and 15 and the T-shaped region 17 may be cut out. Further, as shown in FIG. 8B, band-shaped air bearings 14 in which bag-shaped portions 16A and 16B formed in series are connected by air supply flow paths 18d and 18d may be provided in parallel. In the band-shaped air bearing 14, compressed air is directly supplied to the bag-shaped portion 16A, and compressed air is supplied from the bag-shaped portion 16A to the bag-shaped portion 16B via the air supply flow path 18a.

Although it was formed of the two resin films 14a and 14b shown in FIGS. 2 to 8, the air bearing 14 may be formed of one resin film 14a as shown in FIG. In the air bearing 14 shown in FIG. 9, a predetermined portion of the resin film 14a is joined to the lower surface 10b of the plate base 10 by thick double-sided tape, a hook-and-loop fastener, or by adhesion or welding to the air supply flow path 18a and the injection hole 16a on the bottom surface. 16A and 16B were formed as bag-shaped portions 16A and 16B. Also in the air bearing 14 shown in FIG. 9, the air supply flow path 18a is formed to be narrower than the bag-shaped portions 16A and 16B, and the injection holes of the bag-shaped portions 16A and 16B that are expanded by supplying compressed air. The injection hole drilling region of 16a is located below the lower end of the air supply flow path 18a swelled by the supplied compressed air.

In FIGS. 2 to 9, the patient M was placed on the plate base 10, but as shown in FIG. 10, the patient M can be placed on the bead bag 30. The bead bag 30 is a bag-shaped airtight portion formed of a radiation-permeable resin film 32 filled with a large number of foamed resin beads 34. A patient M on the upper surface side of the bead bag 30 is placed, and an air bearing 14 formed of a resin film 14a is joined to the lower surface side thereof. Since the air bearing 14 is the same as that shown in FIG. 9, detailed description thereof will be omitted. In order to attach the air bearing 14 to the bead bag 30, a predetermined portion of the resin film 14a can be joined to the bead bag 30 by thick double-sided tape, a hook-and-loop fastener, or by adhesion or welding. In particular, it is preferable to integrate the bead bag 30 and the air bearing 14 by adhesion or welding because the handleability of both can be improved. Such a bead bag 30 and an air bearing 14 can transmit radiation, and can irradiate a patient M placed on the upper surface side of the bead bag 30 with radiation from the lower surface side of the bead bag 30 and the air bearing 14. Further, it is preferable that the bead bag 30 is a suction type bead bag that sucks and exhausts air in the bag-shaped airtight portion to change the shape, so that the shape of the bead bag 30 can be changed according to the body shape of the patient M.

The air bearing 14 described so far is provided with a plurality of bag-shaped portions 16A to 16D, but is provided with one bag-shaped portion 52 like the air bearing 50 shown in FIG. You may. FIG. 11 shows another patient transfer device to which the present invention is applied, in which an air bearing 50 and a cover plate 60 with the bottom surface facing up are sequentially laminated on the lower surface 40b of the plate base 40 with the bottom surface facing down. Has been done. The air bearing 50 shown in FIG. 11 is sandwiched between the lower surface 40b of the plate base 40 on which the patient M rests on the upper surface 40a and the cover plate 60 and mounted. Like the air bearing 14, the air bearing 50 is composed of two resin films 50a and 50b, and the outer peripheral edges thereof are joined to form a rectangular bag-shaped portion 52 and one end to the air inlet 57 of the bag-shaped portion 52. A connected air supply flow path 54 is formed. A plurality of compressed air injection holes 52a are formed in the resin film 14a of the bag-shaped portion 52 to form an injection hole drilling region. A supply port 56 for supplying compressed air is provided at the other end of the air supply flow path 54 narrower than the bag-shaped portion 52 having one end connected to the compressed air inlet 57 of the bag-shaped portion 52.

Such an air bearing 50 is sandwiched between the lower surface 40b side of the plate base 40 and the cover plate 60 and mounted. An opening 62a is opened in the cover plate 60 so as to correspond to an injection hole drilling region formed in the bag-shaped portion 52 of the air bearing 50. FIG. 12 shows a state in which the air bearing 50 is mounted on the lower surface 40b of the plate base 40 while being sandwiched between the air bearing 50 and the cover plate 60. FIG. 12 is a vertical cross-sectional perspective view showing a state of the air bearing 50 sandwiched between the plate base 40 and the cover plate 60. The air bearing 50 shown in FIG. 12 is in a state where compressed air is supplied from the supply port 56. The peripheral portion of the plate base 40 and the cover plate 60 is joined by a thick double-sided tape 64, and the injection hole drilling area of the bag-shaped portion 52 of the air bearing 50 corresponding to the opening 62a of the cover plate 60. Swells from the opening 62a, and compressed air is injected from each of the injection holes 52a. At this time, the air supply flow path 54 also swells in a tubular shape, but since the swelling is limited to the plate base 40 and the cover plate 60, the injection hole drilling area of the bag-shaped portion 52 swells in a tubular shape. It is located below the lower end of the air supply flow path 54. The injection hole drilling area of the bag-shaped portion 52 of the air bearing 50 should be 1 / 1.25 to 1/15 of the area of the plate base 40 so that the plate base 40 can be stabilized and transferred. Can be done smoothly.

According to the patient transfer device according to the present invention, a small number of people can safely and easily transfer a patient, and labor saving in the transfer of a patient in a hospital or the like can be achieved.

10,40,108: Plate base, 10a, 40a: Upper surface of plate base, 10b, 40b: Lower surface of plate base, 12,60: Cover plate, 12a, 62a: Opening, 14,50,100: Air bearing, 14a, 14b, 32, 50a, 50b: Resin film, 15: Square area, 16A, 16B, 16C, 16D, 52: Bag-shaped part, 16a, 52a: Injection hole, 17: T-shaped area, 18a, 18b, 18c, 18d, 54: Air supply flow path, 20: Joint, 21,57: Compressed air inlet, 22,56,106: Compressed air supply port, 24a, 24b, 24c, 24d, 24f, 64: Thick double-sided Tape, 26: Placement member, 30: Bead bag, 34: Compressed resin beads, 102: Welding line, 104: Cylindrical part, 110: Placement surface, M: Patient

Claims (11)

An air bearing is provided on the lower surface side of the plate stand on which the patient is placed on the upper surface side by ejecting compressed air in the direction of the mounting surface of the mounting member on which the member including the plate stand is mounted to levitate the plate stand. Be,
When the air bearing is swelled with the supplied compressed air, a plurality of injection holes for ejecting the compressed air are formed in a bottom surface portion that swells in the direction of the above-mentioned mounting surface. A bag-shaped portion made of at least one resin film on which the above is formed, and an air supply stream made of a resin film formed narrower than the bag-shaped portion and expanded by the compressed air supplied to the bag-shaped portion. Equipped with a road
A patient characterized in that when the bag-shaped portion and the air supply flow path are swollen by the compressed air supplied, the injection hole drilling region is below the lower end of the air supply flow path. Transfer device. The first aspect of the present invention, wherein a plurality of the bag-shaped portions and the air supply flow path for supplying the compressed air to each of the bag-shaped portions are formed on the lower surface side of the plate base. Patient transfer device. The patient transfer device according to claim 1 or 2, wherein the air supply flow path is expanded into a tubular shape by the compressed air supplied to the bag-shaped portion. A cover plate is installed on the lower surface side of the plate base, and the bag-shaped portion and the air supply flow path are provided between the plate base and the cover plate.
The patient transfer device according to any one of claims 1 to 3, wherein an opening is opened in the cover plate corresponding to the injection hole drilling region of the bag-shaped portion. When the compressed air is supplied to the bag-shaped portion of the cover plate, the opening of the cover plate has an injection hole so as to bulge from the opening in the direction of the above-mentioned mounting surface. The patient transfer device according to claim 4, wherein the area is larger than the drilling area. The patient transfer device according to any one of claims 1 to 5, wherein a bead bag in which foamed resin beads are filled in a bag-shaped airtight portion formed of a resin film is used instead of the plate base. The patient transfer device according to claim 6, wherein the bead bag is a suction type bead bag that sucks and exhausts air in the bag-shaped airtight portion to change its shape. The patient transfer device according to claim 6 or 7, wherein the bead bag, the bag-shaped portion, and the air supply flow path are integrally formed. An air bearing that is provided on the lower surface side of a plate base on which a patient is mounted and moves, and ejects compressed air in the direction of the mounting surface of the mounting member on which the member including the plate base is mounted to levitate the plate. However, when it is swelled by the supplied compressed air, an injection hole piercing region is formed in which a plurality of injection holes for ejecting the compressed air are formed in the bottom surface portion swelling in the above-mentioned mounting surface direction. A bag-shaped portion made of at least one resin film and an air supply flow path made of a resin film formed narrower than the bag-shaped portion and expanded by the compressed air supplied to the bag-shaped portion. Equipped with
When the bag-shaped portion and the air supply flow path are swollen by the compressed air supplied, the injection hole drilling region in which the injection hole is bored becomes lower than the lower end of the air supply flow path. An air bearing characterized by being present. The air bearing according to claim 9, wherein a plurality of the bag-shaped portions are formed, and the air supply flow path for supplying the compressed air is formed in each of the bag-shaped portions. The air bearing according to claim 9, wherein the air supply flow path expands into a tubular shape by the compressed air supplied to the bag-shaped portion.

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