CN106137608B - A kind of liftable sick bed suitable for Patients with Pressure Ulcers - Google Patents

Abstract

The invention discloses a liftable hospital bed suitable for patients with pressure sores, which comprises an air cushion and a bed body; the air cushion includes an air cushion body, an inflatable and deflated air bag and an inflatable air bag; the air cushion body includes a left air cushion body, a right air cushion body and Corner part; the left air cushion body and the right air cushion body are symmetrical with the corner part as the center; the left air cushion body includes the top material layer, the bottom material layer, and the surrounding side walls; the top material layer, the bottom material layer, and the surrounding side walls form a sealed inflatable chamber chamber; the inflatable airbag is fixed on the left side wall of the left air cushion body; the blown and deflated airbag is fixed on the front and rear side walls; the inflatable chamber is provided with a separation belt, which is a left and right double-layer structure, and the separation belt is fixed on the top by pasting process On the inner surfaces of the bed and the bottom bed, dividers separate the air-filled chamber into a plurality of air-filled chamber units. The air blowing device of the present invention can blow air along the gap between the "Tian" characters through the air blowing air bag, and can bend the corners along with the corners of the bed frame of the bed body.

Description

A liftable hospital bed suitable for pressure sore patients

technical field

The invention relates to medical equipment, in particular to a liftable hospital bed suitable for patients with pressure sores.

Background technique

Pressure sores, also known as pressure ulcers or decubitus ulcers, are due to long-term pressure on local tissues, resulting in continuous ischemia, hypoxia, and malnutrition, resulting in tissue ulceration and necrosis. Skin pressure sores are a common problem in rehabilitation and nursing care. In order to make the long-term bedridden patient get rid of the puzzlement of pressure sore, the prior art adopts an air bed, that is, laying one deck of air cushion on the bed. One of the existing physical therapy for pressure sores is oxygen insufflation therapy. By increasing the oxygen content in the tissue, the growth of anaerobic bacteria is inhibited, the phagocytosis of leukocytes is enhanced, the growth of granulation tissue is promoted, and the wound surface is healed quickly.

Contents of the invention

The purpose of the present invention is to recover and treat patients with pressure sores, and to provide a liftable hospital bed suitable for patients with pressure sores, equipped with an air cushion with the function of blowing air from both sides, and the right bed frame can be folded at a certain angle.

To achieve the above object, the present invention provides a liftable hospital bed suitable for pressure sore patients, comprising an air cushion, a bed body and a fixed plate; the air cushion is fixed on the bed body; the bed body includes a base, a lifting device and a bed frame; the bed body The frame includes a bed frame and a bed board; the bed frame is composed of a left bed frame and a right bed frame; the left bed frame is in the shape of "凵" lying on the right side; the right bed frame is in the shape of "凵" lying on the left side ; The left bed frame and the right bed frame are connected into one body through two gear hinge frames; symmetrical sliding grooves are opened on the front and rear side walls of the square hole of the left bed frame; the cross section of the sliding groove is side lying. A "convex" shape; a pair of guide plates are formed on the front and rear side walls of the square hole of the right bed frame; the lower end surface of the guide plates is provided with guide grooves arranged horizontally; Airbag; the air cushion body includes a left air cushion body, a right air cushion body and a corner; the left air cushion body and the right air cushion body are distributed and fixed on the left and right end faces of the corner; the left air cushion body and the right air cushion body have a symmetrical structure centered on the corner; The left air cushion body includes a top material layer, a bottom material layer, and surrounding side walls; the top material layer, bottom material layer, and surrounding side walls form a sealed inflatable chamber; the inflation and deflation airbag is fixed on the left side wall of the left air cushion body; The deflated airbag is connected with the inflatable chamber; the inflated airbag is fixed on the front and rear side walls of the left air cushion body; the inflatable chamber is provided with a separation strip, which is a left-right symmetrical structure, and the separation strip is fixed on the left air cushion body by pasting. On the inner surface of the top material layer and the bottom material layer, the partition strip divides the inflatable chamber into multiple inflatable chamber units; the left partition strip and the right partition strip are both wave-shaped strips; the top material of the left air cushion body The layer is divided into several equal-sized mouth-shaped shapes by several horizontal dividing lines and several longitudinal dividing lines; several air blowing holes are opened on the upper part of the fixed surface where the blowing airbag is fixedly connected with the left air cushion body; the blowing direction of the blowing holes is the same as that of the left The longitudinal dividing lines of the top material layer of the air cushion body are in the same direction.

As a preference of the above technical solution, the divider has a left-right symmetrical structure, and there is a little gap between the left divider and the right divider, and the front and rear side walls of the left air cushion body corresponding to the gap are provided with decompression holes. The decompression hole communicates the gap with the outside world.

As a preference of the above technical solution, the base includes a bottom plate and a bracket; the bracket is fixed on the upper end surface of the bottom plate; four limit blocks are fixed on the upper end surface of the bracket, and the limit blocks are fixed on the bracket The four corners of the end face; the center position of the upper end face of the support is fixed with a central axis fixing seat; the central axis fixing seat is fixed with a central axis longitudinally; the front and rear ends of the central axis are fixed on a pair of support seats; the lifting device includes a left lifting device and right lifting device; the structure of the left lifting device and the right lifting device is left-right symmetrical; the left lifting device includes a left cylinder, the first left connecting rod and the first right connecting rod; the length of the first left connecting rod and the first right connecting rod The same; one end of the first left connecting rod is hinged on the piston rod of the left cylinder, and the other end is hinged on the first sliding rod; the first right connecting rod is composed of a pair of front and rear symmetrical first connecting rods; a pair of first connecting rods One end is hinged on the central axis, and the other end is hinged on the first sliding rod; the front and rear ends of the first sliding rod are pivotally connected with a pair of first rollers; the first rollers are arranged in the sliding groove of the left bed frame;

The right elevating device comprises a right cylinder, a second left connecting rod and a second right connecting rod; the second left connecting rod and the second right connecting rod have the same length; one end of the second right connecting rod is hinged on the piston rod of the right cylinder, and the other end Hinged on the second sliding rod; the second left connecting rod is composed of a pair of front and rear symmetrical second connecting rods; one end of the pair of second connecting rods is hinged on the central axis, and the other end is hinged on the second sliding rod; A pair of second rollers are pivotally connected to the front and rear ends of the second sliding rod; the second rollers are arranged in the guide groove of the guide plate of the right bed frame;

The left cylinder is arranged horizontally to the left, the lower end surface of the body of the left cylinder is fixed on the upper end surface of the bracket, the right end surface of the body of the left cylinder is fixed on the left end surface of the central shaft fixing seat, and the piston rod of the left cylinder is located at the left front and rear Between the limit blocks; the right cylinder is arranged horizontally to the right, the lower end face of the body of the right cylinder is fixed on the upper end face of the support, the left end face of the body of the right cylinder is fixed on the right end face of the central axis holder, and the right cylinder The piston rod is located between the front and rear limit blocks on the right side;

A third cylinder is fixed vertically upwards on the piston rod of the right cylinder; a supporting block is hinged on the piston rod of the third cylinder.

As a preference of the above technical solution, a pair of fixing belts are respectively fixed on the front and rear side walls of the left air cushion body of the air cushion; the fixing belts are provided with a first fixing hole, a first left limiting hole and a first right limiting hole; The bed frame and the right bed frame are provided with symmetrical holes on the front and rear ends; the left bed frame is provided with a second threaded hole, a second left limit hole and a second right limit hole on the front and rear ends; one end of the fixing plate is fixed with the first Three fixing holes, the third left limit block and the third right limit block; the third left limit block passes through the second left limit hole and is inserted in the first left limit hole; the third right limit block passes through The second right limit hole is inserted in the first right limit hole; the fixing belt is fixed on the left bed frame through the third fixing hole by the screw corresponding to the second threaded hole of the left bed frame.

As a preference of the above technical solution, the third left limiting block is a rectangular parallelepiped arranged horizontally; the third right limiting block is a rectangular parallelepiped arranged vertically.

As an optimization of the above-mentioned technical solution, the two-stage hinge frame is composed of a cylinder at the front section, a square column at the middle section, and a lifting handle at the rear end.

The beneficial effect of the present invention is that: the inflation and deflation equipment can inflate the inflatable chamber through the inflation and deflation air bag, and the top material layers of multiple inflatable chamber units are bulged in small pieces in the shape of "field", and the air blowing equipment The air bag can be blown along the gap between the "Tian" characters, and the hospital bed can not only be raised and lowered, but also be bent with the bed frame of the bed body.

Description of drawings

Fig. 1 is the structural representation of front view of the present invention;

Fig. 2 is the structural representation of the left view of the present invention;

Fig. 3 is the structural representation of the section of A-A in Fig. 1 of the present invention;

Fig. 4 is the structural representation of the section of B-B in Fig. 1 of the present invention;

FIG. 5 is a structural schematic diagram of a top view of the air cushion 20 of the present invention;

FIG. 6 is a schematic structural view of the front view of the fixing plate 30 of the present invention;

FIG. 7 is a partially enlarged structural schematic diagram of C in FIG. 4 of the present invention;

Among the figure, 10, bed body; 11, base; 111, bracket; 1111, limit block; 112, bottom plate; 12, lifting device; 121, left cylinder; Rod; 124, central shaft fixed seat; 1241, support seat; 1242, central shaft; 125, right cylinder; 126, the second right connecting rod; 127, the second left connecting rod; 128, the second sliding rod; 129, the first Two rollers; 13, bed frame; 131, left bed frame; 132, right bed frame; 14, the third cylinder; 141, support block; 20, air cushion; 21, filling and discharging air bag; 22, blowing air bag; 221, Blowing hole; 23, air cushion body; 24, fixing belt; 25, inflatable chamber sheet; 30, fixing plate; 301, third left limit block; 302, third fixing hole; 303, third right limit block; 31. Screws.

Detailed ways

As shown in Figures 1 to 5, a liftable hospital bed suitable for pressure sore patients includes an air cushion 20, a bed body 10 and a fixing plate 30; the air cushion 20 is fixed on the bed body 10; the bed body 10 includes a base 11, The lifting device 12 and the bed frame 13; the bed frame 13 includes a bed frame and a bed board; the bed frame is composed of a left bed frame 131 and a right bed frame 132; The right bed frame 132 is in the shape of "凵" lying on the left side; the left bed frame 131 and the right bed frame 132 are connected into one body through two hinge frames 133; There are symmetrical sliding grooves; the cross-section of the sliding groove is in the shape of "convex" lying on the side; a pair of guide plates are formed on the front and rear side walls of the square hole of the right bed frame; Guide groove; the air cushion 20 includes an air cushion body 23, an inflatable air bag 21 and an inflatable air bag 22; the air cushion body 23 includes a left air cushion body, a right air cushion body and a corner; the left air cushion body and the right air cushion body are distributed and fixed at the corner The left end face and right end face of the left air cushion body; the left air cushion body and the right air cushion body have a symmetrical structure centered on the knuckle; the left air cushion body includes the top material layer, the bottom material layer, and the surrounding side walls; the top material layer, the bottom material layer, and the surrounding side walls are composed of Sealed inflation chamber; inflation and deflation airbag 21 is fixed on the left side wall of the left air cushion body; inflation and deflation airbag 21 is connected with the inflation chamber; blowing airbag 22 is fixed on the front and rear side walls of the left air cushion body; There is a partition in the chamber, the partition is a left-right symmetrical structure, the partition is fixed on the inner surface of the top material layer and the bottom material layer of the left air cushion body by pasting process, the partition belt divides the inflatable chamber into multiple inflatable chambers Unit 25; the separation strip on the left and the separation strip on the right are both wavy strips; the top material layer of the left air cushion body is divided into several equal-sized mouth shapes by several horizontal dividing lines and several longitudinal dividing lines; 22. There are a number of blowing holes 221 on the fixed surface fixedly connected with the left air cushion body; the blowing direction of the blowing holes 221 is consistent with the longitudinal dividing line direction of the top material layer of the left air cushion body.

As shown in Figure 7, the divider is a left-right symmetrical structure, and there is a little gap between the left divider and the right divider, and the front and rear side walls of the left air cushion body corresponding to the gap are provided with decompression holes. The decompression hole communicates the gap with the outside world.

As shown in Figures 1 to 4, the base 11 includes a bottom plate 112 and a bracket 111; the bracket 111 is fixed on the upper end surface of the bottom plate 112; four limit blocks 1111 are fixed on the upper end surface of the bracket 111, the Limiting blocks 1111 are fixed on the four corners of the upper end surface of the support 111; the center position of the upper end surface of the support 111 is fixed with a central axis fixing seat 124; the central axis fixing seat 124 is longitudinally fixed with a central axis 1242; The end is fixed on a pair of support bases 1241; the lifting device 12 includes a left lifting device and a right lifting device; the structure of the left lifting device and the right lifting device is symmetrical; the left lifting device includes a left cylinder 121, a first left connecting rod 122 and the first right connecting rod 123; the first left connecting rod 122 and the first right connecting rod 123 have the same length; one end of the first left connecting rod 122 is hinged on the piston rod of the left cylinder 121, and the other end is hinged on the first sliding rod Above; the first right connecting rod 123 is composed of a pair of front and rear symmetrical first connecting rods; one end of the pair of first connecting rods is hinged on the central shaft 1242, and the other end is hinged on the first sliding rod; the first sliding rod front and rear A pair of first rollers are pivotally connected at both ends; the first rollers are arranged in the sliding groove of the left bed frame;

As shown in Figures 1 to 4, the right lifting device includes a right cylinder 125, a second left connecting rod 127 and a second right connecting rod 126; the second left connecting rod 127 and the second right connecting rod 126 have the same length; One end of the connecting rod 126 is hinged on the piston rod of the right cylinder 125, and the other end is hinged on the second sliding rod 128; the second left connecting rod 127 is made up of a pair of front and back symmetrical second connecting rods; One end is hinged on the central shaft 1242, and the other end is hinged on the second sliding rod 128; the front and rear ends of the second sliding rod 128 are pivotally connected with a pair of second rollers 129; the second rollers 129 are arranged in the guide plate guide groove of the right bed frame ;

As shown in Figures 1 to 4, the left cylinder 121 is arranged horizontally to the left, the lower end surface of the body of the left cylinder 121 is fixed on the upper end surface of the bracket 111, and the right end surface of the body of the left cylinder 121 is fixed on the central shaft fixing seat 124 On the left end face of the left cylinder, the piston rod of the left cylinder 121 is located between the front and rear limit blocks 1111 on the left side; The left end surface of the main body of 125 is fixed on the right end surface of the central axis fixing seat 124, and the piston rod of the right cylinder 125 is located between the front and rear limit blocks 1111 on the right side;

As shown in FIGS. 1 to 4 , the piston rod of the right cylinder 125 is fixed vertically upward with the third cylinder 14 ; the piston rod of the third cylinder 14 is hinged with a support block 141 .

As shown in Figures 1 to 6, a pair of fixing belts 24 are respectively fixed on the front and rear side walls of the left air cushion body of the air cushion 20; the fixing belt 24 is provided with a first fixing hole, a first left limiting hole and a first right Limiting holes; symmetrical holes are provided on the front and rear end surfaces of the left bed frame 131 and the right bed frame 132; a second threaded hole, a second left limiting hole and a second right limiting hole are provided on the front and rear end surfaces of the left bed frame 131 One end of the fixed plate 30 is fixed with a third fixing hole 302, a third left limiting block 301 and a third right limiting block 303; the third left limiting block 301 passes through the second left limiting hole and is inserted in the first In the left limit hole; the third right limit block 303 passes through the second right limit hole and is inserted in the first right limit hole; 31 is fixed on the left bed frame 131 through the third fixing hole 302.

As shown in FIG. 6 , the third left limiting block 301 is a rectangular parallelepiped arranged horizontally; the third right limiting block 303 is a rectangular parallelepiped arranged longitudinally.

As shown in FIG. 3 , the two-stage hinge frame 133 is composed of a cylinder at the front section, a square column at the middle section, and a lifting handle at the rear end.

The specific operation is as follows: when the patient does not need to fold up the right bed frame, the square column in the middle section of the two-stage hinge frame 133 is inserted into the pivot holes of the left bed frame and the right bed frame; At this time, the cylinder of the front section of the square column in the middle section of the two-stage hinge frame 133 is inserted in the pivot holes of the left bed frame and the right bed frame.

Inflate the airbag 21 through the external inflation and deflation equipment, the top material layer of the left air cushion body and the right air cushion body of the air cushion body 23 will expand due to inflation, and a small piece of "Tian" will bulge up, and press The sore patient can lie on the air cushion 20, and then the external inflatable device inflates the blowing air bag 22, forms an airflow at the blowing hole 221 of the blowing air bag 22 and then flows along the longitudinal dividing line direction of the top material layer, for increasing the air flow, Increase the oxygen content and inhibit the growth of anaerobic bacteria. When the hospital bed is raised and lowered when needed, the left cylinder 121 and the right cylinder 125 are synchronously activated to drive the bottom of the first left connecting rod 122 and the second right connecting rod 126 to move, and simultaneously due to the first left connecting rod 122 and the first right connecting rod 123 The same length, the second left link 127 and the second right link 126 have the same length, and the first left link 122 and the first right link 123 are pivotally connected to the first slide bar with the first roller, the second left link The rod 127 and the second right connecting rod 126 are pivotally connected to the second sliding rod 128 having the second roller 129, the angle between the first left connecting rod 122 and the first right connecting rod 123 will become larger or smaller, and the second left The angle between the connecting rod 127 and the second right connecting rod 126 can become larger or smaller, so that the bedstead 13 can descend or rise like this.

If the follow-up patient needs to sit up, that is, when the right bed frame needs to be folded up, the third cylinder 14 is started, and the piston rod of the third cylinder 14 drives the support block 141 to move upward, and then the support block 141 is supported on the right bed frame. Cylinder 14 continues to move upwards, and the right bed frame is just folded up with two gear hinge frames 133 as the center.

The above content is only the preferred implementation mode of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation mode and application scope. limits.

Claims (6)

1. A liftable hospital bed suitable for pressure sore patients, characterized in that: it comprises an air cushion (20), a bed body (10) and a fixed plate (30); the air cushion (20) is fixed on the bed body (10); The bed body (10) includes a base (11), a lifting device (12) and a bed frame (13); the bed frame (13) includes a bed frame and a bed board; the bed frame consists of a left bed frame (131) and a right bed frame (132) composition; the left bed frame (131) is in the shape of "凵" lying on the right side; the right bed frame (132) is in the shape of "凵" lying on the left side; the left bed frame (131) and the right The bed frame (132) is connected into one body through two gear hinge frames (133); symmetrical sliding grooves are opened on the front and rear side walls of the square hole of the left bed frame; ” font; a pair of guide plates are formed on the front and rear side walls of the square hole of the right bed frame; the lower end surface of the guide plate is provided with a guide groove arranged horizontally; Described air cushion (20) comprises air cushion body (23), inflatable and deflated air bag (21) and blowing air bag (22); Air cushion body (23) comprises left air cushion body, right air cushion body and knuckle; The air cushion body is distributed and fixed on the left and right end surfaces of the corner; the left air cushion body and the right air cushion body are symmetrical with the corner as the center; the left air cushion body includes the top material layer, the bottom material layer, and the surrounding side walls; the top material layer, the bottom The material layer and the surrounding side walls form a sealed inflation chamber; the inflation and deflation air bag (21) is fixed on the left side wall of the left air cushion body; the inflation and deflation air bag (21) communicates with the inflation chamber; the air blowing air bag (22 ) is fixed on the front and rear side walls of the left air cushion body; a separation strip is arranged in the inflatable chamber, and the separation strip is a left-right symmetrical structure. The partition strip divides the inflatable chamber into a plurality of inflatable chamber units (25); the partition strip on the left side and the partition strip on the right side are wave-shaped strips; The dividing line is divided into several equal-sized mouth shapes; the top of the fixed surface where the blowing airbag (22) is fixedly connected with the left air cushion body is provided with some blowing holes (221); the blowing direction of the blowing hole (221) is the same as that The longitudinal dividing lines of the top material layer of the air cushion body are in the same direction. 2. A liftable hospital bed suitable for pressure sore patients according to claim 1, characterized in that: the partition is a left-right symmetrical structure, and there is a little gap between the left partition and the right partition, The front and rear side walls of the left air cushion body corresponding to the gap are provided with decompression holes, and the decompression holes communicate the gap with the outside world. 3. A liftable hospital bed suitable for pressure sore patients according to claim 1, characterized in that: the base (11) includes a bottom plate (112) and a bracket (111); the bracket (111) is fixed On the upper end surface of the bottom plate (112); four limit blocks (1111) are fixed on the upper end surface of the support (111), and the four limit blocks (1111) are fixed on the four upper end surfaces of the support (111). Angle; the central position of the upper end surface of the support (111) is fixed with a central axis fixing seat (124); the central axis fixing seat (124) is longitudinally fixed with a central axis (1242); the front and rear ends of the central axis (1242) are fixed on a pair of On the support base (1241); the lifting device (12) includes a left lifting device and a right lifting device; the structure of the left lifting device and the right lifting device is symmetrical; the left lifting device includes a left cylinder (121), a first left connecting Rod (122) and the first right connecting rod (123); the first left connecting rod (122) and the first right connecting rod (123) have the same length; one end of the first left connecting rod (122) is hinged on the left cylinder (121) On the piston rod, the other end is hinged on the first sliding rod; the first right connecting rod (123) is composed of a pair of front and rear symmetrical first connecting rods; the uniform end of a pair of first connecting rods is hinged on the central axis (1242) The upper end and the other end are hinged on the first sliding rod; the front and rear ends of the first sliding rod are pivotally connected with a pair of first rollers; the first rollers are arranged in the sliding groove of the left bed frame; Right elevating device comprises right cylinder (125), the second left connecting rod (127) and the second right connecting rod (126); The second left connecting rod (127) is identical in length with the second right connecting rod (126); the second One end of the right connecting rod (126) is hinged on the piston rod of the right cylinder (125), and the other end is hinged on the second sliding rod (128); Composition; one end of a pair of second connecting rods is hinged on the central shaft (1242), and the other end is hinged on the second sliding rod (128); the front and rear ends of the second sliding rod (128) are pivotally connected with a pair of second rollers ( 129); the second roller (129) is arranged in the guide plate guide groove of the right bed frame; The left cylinder (121) is arranged horizontally to the left, the lower end surface of the body of the left cylinder (121) is fixed on the upper end surface of the support (111), and the right end surface of the body of the left cylinder (121) is fixed on the central shaft fixing seat (124 ) on the left end face, the piston rod of the left cylinder (121) is located between the front and rear limit blocks (1111) on the left; On the upper end surface of the support (111), the left end surface of the body of the right cylinder (125) is fixed on the right end surface of the central shaft holder (124), and the piston rod of the right cylinder (125) is positioned at the front and rear stoppers ( 1111); The piston rod of the right cylinder (125) is vertically upwardly fixed with a third cylinder (14); the piston rod of the third cylinder (14) is hinged with a support block (141). 4. A liftable hospital bed suitable for pressure sore patients according to claim 1, characterized in that: a pair of fixing straps (24) are respectively fixed on the front and rear side walls of the left air cushion body of the air cushion (20); The fixing belt (24) is provided with the first fixing hole, the first left limiting hole and the first right limiting hole; the left bed frame (131) and the right bed frame (132) are provided with symmetrical holes on the front and rear end faces; The front and rear end faces of the bed frame (131) are provided with a second threaded hole, a second left limiting hole and a second right limiting hole; one end of the fixing plate (30) is fixed with a third fixing hole (302), a third left Limit block (301) and the 3rd right limit block (303); The 3rd left limit block (301) is inserted in the first left limit hole through the second left limit hole; The 3rd right limit The block (303) is inserted in the first right limiting hole through the second right limiting hole; the fixing band (24) is passed through by the screw (31) corresponding to the second threaded hole of the left bed frame (131) The third fixing hole (302) is fixed on the left bed frame (131). 5. A liftable hospital bed suitable for pressure sore patients according to claim 4, characterized in that: the third left limit block (301) is a rectangular parallelepiped arranged laterally; the third right limit block (303) A cuboid set for portrait orientation. 6. A liftable hospital bed suitable for pressure sore patients according to claim 1, characterized in that: the two-stage hinge frame (133) is composed of a cylinder in the front section, a square column in the middle section, and a lifting handle at the rear end .