CN113639840B - Gravity monitoring device and method for cardiac interventional operating bed - Google Patents

Abstract

The invention discloses a gravity monitoring device and method for a heart intervention operation bed, which includes a concealed bracket, a hard plate pad, and a pressure sensor group for collecting body weight data and sending detection data to a monitoring terminal electrically connected thereto. And the hoisting bracket installed at the bottom of the operating bed, the pressure sensor group is installed on the bracket and supports the concealed bracket, the two sides and both ends of the hidden bracket are equipped with vertical support feet and hard plate pads The supports are mounted on multiple support foot bars and positioned directly above the operating table. The pressure sensor group is hoisted under the operating table through the hoisting bracket, and the hard separated bed board for the patient to lie on is supported on the pressure sensor group through multiple supporting feet and hidden brackets in turn, so that the pressure sensor group can collect The patient's weight data solves the problem that the existing weight detection device is inconvenient to perform weight detection on patients who cannot stand.

Description

Gravity monitoring device and method for cardiac interventional operating bed

technical field

The invention relates to the technical field of medical auxiliary equipment, in particular to a gravity monitoring device and method for a heart intervention operation bed.

Background technique

Cardiac interventional surgery is to send all kinds of surgical equipment to the corresponding parts of the heart through the arterial or venous system for surgery. Heparin sodium needs to be used according to the patient's weight before surgery to allow the patient's blood to achieve the purpose of heparinization and prevent intraoperative thrombosis. However, a large number of patients cannot stand and measure their weight due to their critical condition, so the patient's weight cannot be clearly known during the operation, and the use of drugs cannot be more accurate.

Existing weight detection devices are common such as weighing scales, which cannot measure the weight of patients in a lying posture. In addition, although the weight of patients transferred by transfer tools such as wheelchairs, stretchers and even hospital beds can be detected by gravity detection devices such as floor scales, after the patients are transferred to the operating table, it is also necessary to check the weight of the transfer patients. The tool is used to detect the weight of the patient by calculating the difference between the two measured weights before and after, which is inconvenient to operate and the detection efficiency is low, which may delay the operation time.

Contents of the invention

The object of the present invention is to provide a gravity monitoring device and method of a cardiac interventional operation bed to solve the technical problem in the prior art that the existing weight monitoring device is inconvenient to detect the weight of a patient in a lying posture.

In order to solve the above technical problems, the present invention specifically provides the following technical solutions:

A gravity monitoring device for a cardiac interventional operating bed, including a concealed bracket, a hard plate pad, a pressure sensor group for collecting body weight data and sending detection data to a monitoring terminal electrically connected to it, and a set of pressure sensors installed on the operating bed The hoisting bracket at the bottom, the pressure sensor group is installed on the bracket and supports the hidden bracket, and the hoisting bracket is installed with a guide for vertically guiding and horizontally limiting the hidden bracket limit components;

Both sides and both ends of the concealed bracket are equipped with vertical support legs, and the hard plate pad is supported and installed on a plurality of the support legs and is located directly above the operating bed.

As a preferred solution of the present invention, the concealed support includes a plurality of beams and longitudinal beams connecting the plurality of beams, the pressure sensor group is provided with multiple beams, and the plurality of beams are supported one by one. On the plurality of pressure sensor groups, the plurality of crossbeams are parallel to each other and distributed at intervals along the length direction of the operating bed, and both ends of the crossbeams are hingedly mounted with the support legs.

As a preferred solution of the present invention, the hoisting bracket includes a supporting plate and a plurality of guide columns, and the supporting plate is hoisted on the bottom of the operating bed through a plurality of spaced apart guide columns;

The guide limit assembly includes a plurality of guide rings, the guide rings are installed on the side walls at both ends of the crossbeam, and the guide posts are slidably mated with the guide rings.

As a preferred solution of the present invention, the supporting foot bar is rotatably mounted on the cross beam, and the side wall of the cross beam is provided with an annular ring for positioning the supporting foot bar in the length direction of the cross beam. Axial limiting groove, the end of the crossbeam forms a thin shaft part through the annular axial limiting groove, and the end of the supporting foot rod opposite to the hard plate pad is provided with the thin shaft part Rotate the matching shaft hole, the supporting foot bar can switch between the vertical support state and the non-vertical storage state by rotating around the thin shaft part, and the supporting foot bar is equipped with a posture A holding component, the posture maintaining component keeps the support leg bar and the crossbeam relatively fixed after the state switching of the support leg bar is completed.

As a preferred solution of the present invention, there are an even number of crossbeams, and the two supporting foot bars at the same end of every two crossbeams are connected in pairs through the posture maintaining assembly;

The posture maintaining assembly includes a connecting rod and an operating rod on which the connecting rod is hingedly installed at both ends, the connecting rod at both ends swings in the same plane relative to the end of the operating rod, and the end of the connecting rod Hinged with the corresponding support foot bar;

The sum of the lengths of the operating rod and the connecting rods at both ends is the same as the distance between the supporting legs at both ends, and when the operating rod and the connecting rods at both ends are on the same straight line, they support the supporting legs at both ends The rod remains in a supported state until the connecting rods at both ends move with the moved operating rod, and drive the supporting leg rods at both ends to rotate oppositely around their respective thin shafts, so that the supporting legs at both ends Switch to storage state.

As a preferred solution of the present invention, it also includes an angle locking sleeve, a sliding hole passing through both ends of the angle locking sleeve is opened, the operating rod and the connecting rod are both cylindrical rods, and the operating The diameter of the rod and the connecting rod is the same as the inner diameter of the sliding hole;

The angle locking sleeves are slidably installed on the connecting rods at both ends, and the angle locking sleeves slide back and forth on the operating rod and the corresponding connecting rods, and the angle locking sleeves move to the same The connection between the operating rod and the connecting rod on the straight line keeps the operating rod and the connecting rod on the same straight line during the use of the gravity monitoring device.

As a preferred solution of the present invention, a circular hole is provided on the inner wall of the angle locking sleeve, and balls and springs are sequentially installed in the circular hole in a direction away from its opening, and a spring is provided on the side wall of the connecting rod. There is an annular groove for the ball to be inserted into. When the roller reaches the annular groove, the angle locking sleeve connects the operating rod and the connecting rod in a sheathing manner, and is pushed by the spring. The ball axially positions the angle locking sleeve by cooperating with the annular groove.

As a preferred solution of the present invention, the bottom of the hard plate pad facing the operating table is equipped with a plurality of foot pads corresponding to the plurality of supporting foot bars one by one, and the bottom of the foot pad is provided with The positioning hole for the insertion of the supporting foot bar, the size of the positioning hole is adapted to the size of the end of the supporting foot bar, and the distance between the adjacent positioning holes is the same as that of the corresponding adjacent supporting foot bar same spacing.

In order to solve the above technical problems, the present invention further provides the following technical solutions:

A monitoring method for a gravity monitoring device on a cardiac interventional bed, comprising:

S100, transferring the patient in a lying posture to a hard board supported by the supporting foot bar, the hidden bracket, and the pressure sensor group hoisting bracket in sequence;

S200. Collect the detection data of the pressure sensor group through the monitoring terminal, the monitoring terminal compares the detection data before and after the patient lies on the hard board pad, and calculates the difference, and uses the obtained difference as the measurement The obtained patient's weight value is displayed on the display screen.

As a preferred solution of the present invention, the pressure sensor group includes at least two pressure sensors distributed at intervals in the lateral direction.

Compared with the prior art, the present invention has the following beneficial effects:

In the present invention, the pressure sensor group is hoisted under the operating table through the hoisting bracket, and the hard separated bed board for the patient to lie on is sequentially supported on the pressure sensor group through a plurality of supporting foot bars and concealed brackets , so that the pressure sensor group collects the patient's weight data, and the monitoring terminal analyzes and calculates the detection data sent by the pressure sensor group to calculate the patient's weight, which solves the problem that the existing weight detection device is inconvenient for those who cannot stand Problems with patient weight testing.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Apparently, the drawings in the following description are only exemplary, and those skilled in the art can also obtain other implementation drawings according to the provided drawings without creative work.

Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;

Fig. 2 is a schematic diagram of a supporting state of a supporting foot bar according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of the storage state of the supporting foot bar according to the embodiment of the present invention;

Fig. 4 is a schematic structural view of the thin shaft part of the embodiment of the present invention;

5 is a schematic structural view of an angle locking sleeve according to an embodiment of the present invention;

Fig. 6 is a schematic structural diagram of a foot pad according to an embodiment of the present invention.

The labels in the figure are respectively indicated as follows:

1-concealed bracket; 2-hard plate pad; 3-pressure sensor group; 4-hoisting bracket; 5-guiding limit assembly; 6-supporting foot rod; 10-shaft hole; 11-angle locking sleeve; 12-sliding hole; 13-round hole; 14-ball; 15-spring; 16-ring groove; 17-foot pad; 18- positioning hole;

101-beam; 102-longitudinal beam;

401-support plate; 402-guide column;

501-guide ring;

901-connecting rod; 902-operating rod.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1 to 6, the present invention provides a gravity monitoring device for cardiac interventional surgery bed, including a hidden bracket 1, a hard board pad 2, a monitoring device for collecting body weight data and electrically connecting to it The pressure sensor group 3 that sends detection data from the terminal, and the hoisting bracket 4 installed at the bottom of the operating bed, the pressure sensor group 3 is installed on the bracket and supports the concealed bracket 1, and the hoisting bracket 4 is installed on the hoisting bracket 4 to support the concealed bracket. 1 guide and limit assembly 5 for vertical guidance and horizontal limit. Both sides and both ends of the concealed support 1 are equipped with vertically arranged support legs 6, and the hard board pad 2 is supported and installed on a plurality of support legs 6 and is positioned directly above the operating bed.

Specifically, the hoisting bracket 4 is installed on the bottom of an operating table or other supports. In the present invention, an operating table is used as an example for the support. The pressure sensor group 3 is fixedly installed on the hoisting bracket 4, and supports the concealed bracket 1. When the patient is lying on a hard separated mattress supported by a plurality of supporting legs 6, multiple supporting legs are installed. 6. The gravity on the concealed support 1 changes, and the pressure sensor group 3 detects the weight of the concealed support 1, and sends the detection data to the monitoring terminal with a display screen. The monitoring terminal analyzes and calculates the concealed support by analyzing the detection data. 1 weight change to calculate the patient's weight.

In the present invention, the pressure sensor group 3 is hoisted under the operating table through the hoisting bracket 4, and the hard separated bed board for the patient to lie on is supported on the pressure sensor through a plurality of supporting foot bars 6 and a concealed bracket 1 in sequence. The method on group 3 enables the pressure sensor group 3 to collect the patient's weight data, and the monitoring terminal analyzes and calculates the detection data sent by the pressure sensor group 3 to calculate the patient's weight, which solves the existing weight detection problem. The device is inconvenient to carry out the problem of body weight detection for patients who cannot stand up.

The embodiment of the present invention not only realizes the weight detection of patients in lying position, but also avoids the disadvantage of using the floor scale measurement method to carry out secondary weighing on transfer patients such as wheelchairs, stretchers or even hospital beds. In addition, the hard separated bed board, supporting foot bar 6, concealed bracket 1, pressure sensor group 3 and hoisting bracket 4 are assembled in a rigid connection in sequence, which can not only provide good support for patients, but also help reduce the need for collection The number of pressure detection elements for body weight data simplifies the structure and composition of the pressure sensor group 3, so as to achieve the purpose of reducing the cost, failure rate and manufacturing difficulty of the gravity monitoring device. And only the hard board pad 2 is positioned above the operating table, which has very little negative impact on medical staff moving and operating around the operating table.

To sum up, the embodiment of the present invention has many advantages that the existing weight monitoring device does not have, and is suitable for measuring the weight of lying patients, and at the same time can achieve a good combination with the operating table.

The concealed support 1 includes a plurality of crossbeams 101 and longitudinal beams 102 connecting the plurality of crossbeams 101. There are multiple pressure sensor groups 3, and the plurality of crossbeams 101 are supported on the plurality of pressure sensor groups 3 in one-to-one correspondence. 101 are parallel to each other and distributed at intervals along the length direction of the operating bed, and both ends of the crossbeam 101 are hingedly mounted with support legs 6 .

At least two crossbeams 101 are provided, and they are respectively positioned under the head and the tail of the operating bed and the hard board pad 2, and the hard board pad 2 is carried out by dividing the crossbeam 101 with the supporting feet 6 at both ends. Stable support. The purpose of connecting a plurality of crossbeams 101 through longitudinal beams 102 is to increase the overall stability of the concealed support 1 and prevent the guide and limit assembly 5 corresponding to a certain crossbeam 101 from being damaged to support the hard plate pad 2. The lowering avoids the negative impact on the precise operation of the operation due to the instability of the hard board pad 2 caused by the concealed support 1 . Moreover, a plurality of crossbeams 101 are connected as a whole through longitudinal beams 102 , which facilitates the assembly of the concealed support 1 and the suspension support 4 .

Wherein, the hoisting bracket 4 includes a supporting plate 401 and a plurality of guide columns 402, the supporting plate 401 is hoisted on the bottom of the operating bed through a plurality of guide columns 402 arranged at intervals, the guide limit assembly 5 includes a plurality of guide rings 501, and the crossbeam 101 Guide rings 501 are installed on the side walls at both ends, and the guide posts 402 are slidingly inserted into the guide rings 501 .

Both ends of the plurality of crossbeams 101 are positioned in the horizontal direction and moved stably in the vertical direction through the cooperation of the corresponding guide rings 501 and the guide columns 402, so as to ensure that the concealed support 1 as a whole is relatively stable with respect to the suspension support. The supporting plate 401 of 4 moves stably in the vertical direction, and prevents the concealed support 1 from shifting in the horizontal direction, so as to achieve the purpose of stably supporting the hard plate pad 2 .

The supporting foot rod 6 is rotatably mounted on the crossbeam 101, and the side wall of the crossbeam 101 is provided with an annular axial limit groove 7 for positioning the supporting foot rod 6 in the length direction of the crossbeam 101, and the end of the crossbeam 101 passes through the ring The axial limit groove 7 forms a thin shaft portion 8, and one end of the supporting foot bar 6 opposite to the hard plate pad 2 is provided with a shaft hole 10 that is rotatably matched with the thin shaft portion 8, and the supporting foot bar 6 passes through the thin shaft portion 8 Rotate the way to switch between the vertical support state and the non-vertical storage state, and the posture maintaining assembly 9 is installed on the supporting foot bar 6, and the posture maintaining assembly 9 maintains the support after the supporting foot bar 6 completes the state switching. The relative fixing of foot bar 6 and crossbeam 101.

The function of the rotation and cooperation between the supporting legs 6 and the crossbeam 101, when the gravity monitoring device is not needed, the hard plate pad 2 is removed from the plurality of supporting legs 6, and then the plurality of supporting legs 6 are all placed in the horizontal direction Rotate so that at least the original top of the supporting foot bar 6 is lower than the plane where the top of the operating table is, so as to avoid a plurality of protruding supporting foot bars 6 from negatively affecting the movement and operation of the medical staff. On the contrary, when the gravity monitoring device needs to be used, the multiple supporting legs 6 are adjusted to a vertical state, and then the hard board pad 2 is supported and installed on the multiple supporting legs 6 . The main function of the posture maintaining assembly 9 is to keep a plurality of supporting legs in a vertical support state, preventing the stability of the hard plate pad 2 from being affected by the rotation of the supporting legs 6 during the use of the gravity monitoring device, thereby avoiding Due to the instability of the hard board pad 2, the weighing is affected, and even the patient on the hard board pad 2 falls down.

Wherein, there are an even number of crossbeams 101 , and the two supporting foot bars 6 at the same end of every two crossbeams 101 are connected in pairs through a posture maintaining assembly 9 . The attitude keeping assembly 9 includes a connecting rod 901 and an operating rod 902 with connecting rod 901 hingedly installed at both ends. The connecting rod 901 at both ends swings in the same plane relative to the end of the operating rod 902. The end of the connecting rod 901 is connected to the corresponding support. The foot rods 6 are hinged, and the sum of the lengths of the operating rod 902 and the connecting rods 901 at both ends is the same as the distance between the two ends of the supporting foot rods 6 . When the operating rod 902 and the connecting rods 901 at both ends are on the same straight line, the supporting legs 6 at both ends are supported to maintain the supporting state until the connecting rods 901 at both ends move with the moved operating rod 902, and drive the supporting legs 6 at both ends to rotate around their respective The thin shaft parts 8 are turned in opposite directions, so that the supporting legs at both ends are switched to the storage state.

Specifically, before using the gravity detection device, pull the operating rod upwards, so that the operating rod drives the ends of the connecting rods 901 at both ends that are close to each other to move upward. Rotate upwards until the operating rod 902 is coaxial with the connecting rods 901 at both ends and is on the same horizontal straight line. At this time, the supporting legs 6 on the connecting rods 901 at both ends are all in a vertical state. And at this moment, if the supporting foot bar 6 is to be rotated, the connecting rods 901 and the operating rods 902 at both ends on the same straight line will prevent the displacement of the supporting foot bar 6 in the horizontal direction, that is, the top ends of the supporting foot bars 6 at both ends cannot be mutually connected. Rotate downwards close to each other, so as to achieve the purpose of keeping the supporting legs 6 at both ends in a vertical support state.

In addition, in order to prevent the operating rod 902 and the connecting rod 901 from being out of collinear state under the force of their own gravity, the solution measures are that the operating rod 902 and the connecting rod 901 can adopt a hinged way of relative rotation in the horizontal direction, or the operating rod 902 The joint with the connecting rod 901 is damped, or a damper is installed at the joint between the operating rod 902 and the connecting rod 901 .

And in order to further ensure that when the supporting foot bar 6 is in the supported state, the operating rod 902 and the two ends on the same straight line will not rotate relative to each other due to their own gravity and the accidental touch of the medical staff. The present invention also includes an angle locking sleeve The barrel 11 and the angle locking sleeve 11 are provided with sliding holes 12 running through both ends thereof, the operating rod 902 and the connecting rod 901 are cylindrical rods, and the diameters of the operating rod 902 and the connecting rod 901 are the same as the inner diameter of the sliding hole 12 . An angle locking sleeve 11 is slidably installed on the connecting rods 901 at both ends, and the angle locking sleeve 11 slides back and forth on the operating rod 902 and the corresponding connecting rod 901, and the angle locking sleeve 11 moves to the operating rod 902 on the same line. The connection with the connecting rod 901 keeps the operating rod 902 and the connecting rod 901 on the same straight line during the use of the gravity monitoring device.

Before using the gravity monitoring device, the medical staff will move the angle locking sleeve 11 to the joint between the connecting rod 901 and the operating rod 902 on the same straight line, and prevent the connecting rod 901 and the operating rod 902 from facing each other through the angle locking sleeve 11. Rotate, so as to ensure that the connecting rod 901 and the operating rod 902 can stably support the supporting legs 6 at both ends during the use of the gravity monitoring device, and prevent the supporting legs 6 from rotating to cause the hard plate pad 2 to lose support. On the contrary, move the angle locking sleeve 11 to the operating rod 902 until the angle locking sleeve 11 is disengaged from the connecting rod 901, and then operate the operating rod 902 to make the operating rod 902 drive the connecting rod 901 at both ends and the supporting legs 6 at both ends to rotate , so that the supporting leg 6 is switched to the storage state.

The setting of the angle locking sleeve 11 avoids the relative rotation of the connecting rod 901 and the operating rod 902 on the same straight line due to their own gravity and the accidental touch of the medical staff, so as to make the supporting foot rod 6 in the supporting state hard. Plate cushion 2 carries out the purpose of stable support. Moreover, based on the role of the angle locking sleeve 11 to stably maintain the state of the connecting rod 901 and the operating rod 902, the connecting rod 901 and the operating rod 902 adopt a hinged manner of relative rotation in a vertical plane, so that the gravity monitoring device does not use At this time, the connecting rod 901 and the operating rod 902 can be accommodated in the same vertical plane, which avoids negative impact on hospital personnel moving and operating around the operating table.

Further optimization on the above-mentioned embodiment is that a circular hole 13 is provided on the inner wall of the angle locking sleeve 11, and a ball 14 and a spring 15 are sequentially installed in the circular hole 13 in a direction away from its opening, and on the side wall of the connecting rod 901 There is an annular groove 16 for the ball 14 to embed. The angle locking sleeve 11 connects the operating rod 902 and the connecting rod 901 in a sheathing manner when the roller reaches the annular groove 16, and the spring 15 pushes the ball 14 to pass through the annular groove 16. Cooperate to axially locate the angle locking sleeve 11, so as to prevent the angle locking sleeve 11 from detaching from the connection between the operating rod 902 and the connecting rod 901 due to accidental touch by medical personnel, etc., resulting in failure of the angle locking sleeve 11 occur.

In addition, it is further optimized on the above-mentioned embodiment that a plurality of foot pads 17 corresponding to a plurality of supporting foot rods 6 are installed on the bottom of the hard plate pad 2 towards the operating table, and the bottom of the foot pad 17 is provided with a The positioning hole 18 where the supporting foot bar 6 is plugged, the size of the positioning hole 18 is adapted to the size of the end of the supporting foot bar 6, and the spacing between adjacent positioning holes 18 is the same as that of the corresponding adjacent supporting foot bar 6.

The hard board pad 2 is supported on multiple vertical support rods 6 through a plurality of foot pads 17 with positioning holes 18, which not only facilitates the quick disassembly and assembly of the hard board pad 2 and the support rods 6, but also facilitates multiple The positioning of the support foot bar 6 to the hard board pad 2 prevents the hard board pad 2 from sliding relative to the support legs, that is, the stable support of multiple support legs to the hard board pad 2 is realized through the intersecting points provided.

The present invention also provides a monitoring method for a gravity monitoring device of a cardiac interventional operating bed, comprising:

S100, transferring the patient in a lying posture to a hard board supported by the supporting foot bar, the hidden bracket, and the pressure sensor group hoisting bracket in sequence;

S200. Collect the detection data of the pressure sensor group through the monitoring terminal. The monitoring terminal compares the detection data before and after the patient lies on the hard board pad and calculates the difference, and uses the obtained difference as the measured patient The weight value is displayed on the display.

As a preferred solution of the present invention, the pressure sensor group includes at least two pressure sensors spaced apart in the lateral direction.

The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and such modifications or equivalent replacements shall also be deemed to fall within the protection scope of the present application.

Claims (7)

1. The gravity monitoring device of the heart intervention operating bed is characterized by comprising a hidden support (1), a hard plate pad (2), a pressure sensor group (3) and a hoisting support (4), wherein the pressure sensor group (3) is used for acquiring weight data and sending detection data to a monitoring terminal electrically connected with the weight data, the hoisting support (4) is installed at the bottom of the operating bed, the pressure sensor group (3) is installed on the hoisting support (4) and supports the hidden support (1), and a guide limiting assembly (5) for vertically guiding and horizontally limiting the hidden support (1) is installed on the hoisting support (4);

the two sides and two ends of the hidden support (1) are respectively provided with a vertically arranged support leg rod (6), and the hard plate pad (2) is supported and arranged on the plurality of support leg rods (6) and is positioned right above the operating table;

the hidden support (1) comprises a plurality of cross beams (101) and longitudinal beams (102) connected with the cross beams (101), the number of the pressure sensor groups (3) is multiple, the cross beams (101) are supported on the pressure sensor groups (3) in a one-to-one correspondence manner, the cross beams (101) are parallel to each other and distributed at intervals along the length direction of the operating table, and the support leg rods (6) are hinged to two ends of each cross beam (101);

the hoisting support (4) comprises a supporting plate (401) and a plurality of guide columns (402), and the supporting plate (401) is hoisted at the bottom of the operating table through the plurality of guide columns (402) arranged at intervals;

the guide limiting assembly (5) comprises a plurality of guide rings (501), the guide rings (501) are mounted on the side walls of the two ends of the cross beam (101), and the guide columns (402) are in sliding insertion fit with the guide rings (501);

support leg pole (6) are rotated and are installed on crossbeam (101), set up on the lateral wall of crossbeam (101) and be used for on the length direction of crossbeam (101) right support leg pole (6) carry out annular axial spacing groove (7) of fixing a position, the tip of crossbeam (101) passes through annular axial spacing groove (7) form thin axial part (8), support leg pole (6) for the one end of stereoplasm slab pad (2) seted up with thin axial part (8) normal running fit's shaft hole (10), support leg pole (6) are through winding thin axial part (8) carry out the pivoted mode and come to switch between vertical support state and non-vertical state of accomodating, install gesture retaining assembly (9) on support leg pole (6), gesture retaining assembly (9) are in support leg pole (6) accomplish the state switch back keep support leg pole (6) with the relative fixed of crossbeam (101).

2. A gravity monitoring device for a cardiac interventional operation bed according to claim 1, characterized in that the number of the cross beams (101) is even, and two support foot rods (6) at the same end of every two cross beams (101) are connected in pairs through the posture maintaining assembly (9);

the posture maintaining assembly (9) comprises a connecting rod (901) and an operating rod (902) with two ends hinged with the connecting rod (901), the connecting rod (901) at the two ends swings in the same plane relative to the tail end of the operating rod (902), and the tail end of the connecting rod (901) is hinged with the corresponding supporting foot rod (6);

the total length of the operating rod (902) and the connecting rods (901) at the two ends is the same as the distance between the supporting foot rods (6) at the two ends, and the operating rod (902) and the connecting rods (901) at the two ends support the supporting foot rods (6) at the two ends to keep a supporting state when being on the same straight line until the connecting rods (901) at the two ends move along with the moved operating rod (902) and drive the supporting foot rods (6) at the two ends to rotate around the thin shaft parts (8) respectively in the opposite direction, so that the supporting foot rods (6) at the two ends are switched to a storage state.

3. The gravity monitoring device for the cardiac interventional operation bed according to claim 2, characterized by further comprising an angle locking sleeve (11), wherein a sliding hole (12) is formed in the angle locking sleeve (11) and penetrates through two ends of the angle locking sleeve, the operating rod (902) and the connecting rod (901) are both cylindrical rods, and the diameters of the operating rod (902) and the connecting rod (901) are the same as the inner diameter of the sliding hole (12);

the angle locking sleeves (11) are slidably mounted on the connecting rods (901) at two ends, the angle locking sleeves (11) slide on the operating rod (902) and the corresponding connecting rods (901) in a reciprocating mode, and the operating rod (902) and the connecting rods (901) are kept on the same straight line in the use process of the gravity monitoring device by moving the angle locking sleeves (11) to the connecting positions of the operating rod (902) and the connecting rods (901) on the same straight line.

4. The gravity monitoring device of the cardiac intervention operating bed as claimed in claim 3, wherein a circular hole (13) is formed in an inner wall of the angle locking sleeve (11), a ball (14) and a spring (15) are sequentially installed in the circular hole (13) in a direction away from an opening of the circular hole, an annular groove (16) for the ball (14) to be embedded into is formed in a side wall of the connecting rod (901), the angle locking sleeve (11) connects the operating rod (902) and the connecting rod (901) in a sleeved manner when the ball (14) reaches the annular groove (16), and the spring (15) pushes the ball (14) to axially position the angle locking sleeve (11) by matching with the annular groove (16).

5. The gravity monitoring device of a cardiac intervention operating table according to claim 1, wherein a plurality of foot pads (17) corresponding to the support foot rods (6) one-to-one are installed towards the bottom of the operating table of the hard plate pad (2), the bottom of each foot pad (17) is provided with a positioning hole (18) for the insertion of the support foot rods (6), the size of each positioning hole (18) is adapted to the size of the end of each support foot rod (6), and the distance between the adjacent positioning holes (18) is the same as the distance between the corresponding adjacent support foot rods (6).

6. A monitoring method for a gravity monitoring device for a cardiac interventional surgical bed according to any one of claims 1-5, characterized in that it comprises:

s100, transferring the patient to a hard plate cushion which is supported by a support foot rod, a hidden support and a pressure sensor group hoisting support in sequence in a lying posture;

s200, collecting detection data of the pressure sensor group through a monitoring terminal, comparing the detection data before and after a patient lies on the hard plate mat by the monitoring terminal, calculating a difference value, and displaying the obtained difference value on a display screen as a measured weight value of the patient.

7. The monitoring method of the gravity monitoring device of the cardiac interventional operation bed, as recited in claim 6, wherein the set of pressure sensors comprises at least two pressure sensors spaced apart in a lateral direction.

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