Adjustable patient limb fixing and protecting device for interventional catheter room

Abstract

The invention relates to the technical field of limb fixing and protecting devices, in particular to an adjustable patient limb fixing and protecting device for an interventional catheter room, which comprises a supporting seat, two groups of supporting assemblies are arranged on the inner side of the supporting seat, and a limiting assembly is embedded between the two groups of supporting assemblies. An inflation assembly penetrating through the supporting seat is embedded in the outer surface of one supporting assembly, an air outlet part penetrates through the outer surface of the other supporting assembly, a catheter fixing assembly is arranged at the end of the supporting assembly connected with the air outlet part, and an adjusting part is embedded in the upper end of the supporting seat. Through the arrangement of the supporting assembly, the limiting assembly, the inflation assembly and the air outlet part, the fixing and protecting function on the limbs of a patient is achieved, the wound can be prevented from being extruded in the operation, the device can also adapt to wounds of different areas, and the patient with the wound on the arm can be better protected. And the possibility and severity of inflammatory reaction in the operation process can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of limb fixation protection devices, and particularly relates to an adjustable patient limb fixation protection device for an interventional catheter room. BACKGROUND

[0002] Interventional catheter surgery is a minimally invasive medical technology, which is to enter the body through a catheter in an imaging device, through a blood vessel or other natural cavity, to diagnose or treat the lesion site. Its core feature is small trauma, fast recovery and high precision, and it is widely used in cardiovascular, neural, tumor and other fields. In the interventional catheter surgery through radial artery puncture, even if general anesthesia is used, the patient may still have unconscious body movement, which hinders the operation, so the patient's hands need to be fixed.

[0003] A patient intraoperative restraint structure for interventional surgery is disclosed in Chinese Patent No. CN221672228U, which includes a first restraint belt and a second restraint belt. Two first fixing rings are provided on the first restraint belt, and two second fixing rings are provided on the second restraint belt. The two first fixing rings are respectively provided for the left upper limb and the right upper limb, and the two second fixing rings are respectively provided for the left lower limb and the right lower limb. The first restraint belt has a first connecting portion at one end and a second connecting portion at the other end. When the first connecting portion and the second connecting portion are connected, the first restraint belt forms a first restraint space for restraining the upper body of the patient. The second restraint belt has a third connecting portion at one end and a fourth connecting portion at the other end. When the third connecting portion and the fourth connecting portion are connected, the second restraint belt forms a second restraint space for restraining the lower body of the patient. The above-mentioned device realizes the restraint of the patient through multiple restraint belts and fixing rings, but in actual use, the fixed area is small, the fixed effect is not good, and for patients with open wounds on the skin surface, the existing device will squeeze the patient's wound when restraining, which may cause the wound to tear. SUMMARY

[0004] The purpose of the present application is to solve the problem of poor fixing effect and easy expansion of the patient's wound for patients with wounds on the limb surface in the prior art, and an adjustable patient limb fixation protection device for an interventional catheter room is proposed.

[0005] In order to achieve the above object, the application adopts the following technical scheme: A adjustable patient limb fixing and protecting device for intervention catheter room, comprising a support seat, two groups of support assemblies are arranged in the inside of the support seat and are symmetrically arranged at intervals, a limiting assembly is arranged between the two groups of support assemblies, an inflation assembly is arranged on the outer surface of one group of support assemblies and penetrates the support seat, an air outlet is arranged on the outer surface of the other group of support assemblies, a catheter fixing assembly is arranged at the end of the group of support assemblies connected with the air outlet, a supporting block is fixedly connected to the inside of the support seat near the end, and an adjusting part is arranged on the upper end of the support seat; The limiting assembly comprises two groups of embedding rings embedded with the two groups of support assemblies, and four groups of extrusion parts are arranged between the two groups of embedding rings.

[0006] Preferably, the support assembly comprises an installation ring arranged in contact with the inside of the support seat, and the installation ring is arranged between the two ends of the adjusting part, two groups of fixed supports are fixedly connected to the inside of the installation ring and are arranged in contact, and the installation ring is arranged in contact with the inside of the support seat.

[0007] Preferably, an embedding groove is formed at one end of the installation ring, the embedding ring is movably clamped with the embedding groove, a plurality of extrusion bolts are screw-connected to the outer surface of the installation ring at intervals, the lower end of the extrusion bolt extends into the inside of the embedding groove and extrudes the embedding ring, a containing groove is formed in the inside of the installation ring, a plurality of communication pipes are fixedly connected through the embedding groove and the containing groove, and the lower end of the air outlet penetrates the installation ring and communicates with the containing groove.

[0008] Preferably, the adjusting part comprises a motor fixedly connected to one end of the support seat and a lead screw fixedly connected with the output end of the motor, a second clamping part is slidingly connected to the upper end of the support seat, a sliding groove is formed in the upper end of the support seat for the second clamping part to slide, the lead screw is rotationally connected through the sliding groove, and the lead screw is screw-connected through the second clamping part.

[0009] Preferably, the lower end of the second clamping part is fixedly connected with a first arc strip and a second arc strip, respectively, and the first arc strip and the second arc strip are arranged in contact with the two ends of the installation ring, respectively, one side of the second arc strip is fixedly connected with an embedding arc strip, and the embedding arc strip is movably connected with one end of the installation ring.

[0010] Preferably, a cavity is formed in the inside of the embedding ring, a sealing rubber layer is arranged on the outer surface of the plurality of communication pipes, and the one end of the embedding ring and the plurality of communication pipes are detachably connected through interference.

[0011] Preferably, the extrusion component comprises a double-headed spring telescopic rod detachably and tightly fitted with the two groups of embedded rings respectively, the outer surfaces of both ends of the double-headed spring telescopic rod are provided with sealing rubber layers, the double-headed spring telescopic rods are arranged in two groups, a gas bag is fixedly connected between the two groups of double-headed spring telescopic rods, the outer side of the gas bag is fixedly connected with T-shaped rods and connecting rubber strips, the T-shaped rods and the connecting rubber strips are arranged in multiple groups, the connecting rubber strips are fixedly connected with the double-headed spring telescopic rods in the same group, and the connecting rubber strips on one group of the gas bags are penetrated and sleeved with the T-shaped rods on the adjacent gas bags.

[0012] Preferably, the gas bag is fixedly connected with a magnetic strip at both ends, the magnetic strip is fixedly connected with an embedded pipe penetratingly, and the embedded pipe is arranged in multiple groups, one end of the embedded pipe is fixedly connected with the gas bag, the other end of the embedded pipe is detachably and tightly connected with the embedded ring, and one side of the embedded ring is provided with a magnetic plate magnetically connected with the magnetic strip.

[0013] Preferably, the catheter fixing assembly comprises a fixing ring fixedly connected to one end of one group of the mounting rings, the fixing ring is embeddedly and rotatably connected to the inner side of the support base, and the fixing ring is in contact with the supporting block, a magnetic block is magnetically connected to the outer surface of the fixing ring, a T-shaped block is fixedly connected to the lower end of the magnetic block, the T-shaped block is slidingly connected with the fixing ring penetratingly, an electric telescopic rod is fixedly connected to the lower end of the T-shaped block, and a first clamping part is fixedly arranged at the lower end of the electric telescopic rod.

[0014] Preferably, the inflation assembly comprises a gas pump fixedly connected to the lower end of the support base, the gas inlet end of the gas pump is connected with an external constant-temperature air supply structure, the gas outlet end of the gas pump is fixedly connected with a connecting pipe, the outer surface of one group of the mounting rings close to the adjusting component is fixedly connected with an electric valve through a pipeline, and one end of the electric valve is detachably connected with the connecting pipe.

[0015] Compared with the prior art, the application has the following advantages: 1、The support assembly, the limiting assembly, the inflation assembly and the air outlet part are arranged, the fixed protection function of the patient's limbs in the interventional catheter operation is realized, the position adjustment and the detachable arrangement are realized, the wound in the operation can be avoided from being extruded, different area wounds can be used, the circulation of the constant-temperature clean air makes the temperature of the gas bag constant, for the patient with a wound on the arm, the skin temperature near the wound can be reduced, the heat accumulation can be avoided, the lower temperature can reduce the possibility and severity of the inflammatory reaction in the operation process, the device can be detached, and the limbs of the patient can be fixed and protected continuously after the operation, and no additional fixing structure is needed. 2、The present application is provided with supporting assembly, limiting assembly and adjusting part, realizes the adjustment of supporting assembly position, is convenient for installing extrusion part of different length, adjusts the length of air bag, so that the device can adapt to patients of different body shape, improves the applicability of the device, and is simple and convenient to install, convenient to use; 3、The present application is provided with supporting assembly, limiting assembly and adjusting part, realizes the adjustment of supporting assembly position, is convenient for installing extrusion part of different length, adjusts the length of air bag, so that the device can adapt to patients of different body shape, improves the applicability of the device, and is simple and convenient to install, convenient to use; BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application; Figure 2 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application; Figure 3 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application; Figure 4 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application; Figure 5 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application Figure 4 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application Figure 6 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application; Figure 7 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application; Figure 8 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application Figure 7 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application Figure 9 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application; Figure 10 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application Figure 9 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application Figure 11 The overall structure schematic diagram of the adjustable patient limb fixing protection device for the interventional catheter room is provided in the present application.

[0017] In the figure: 1, support seat; 2, support assembly; 21, mounting ring; 211, embedded groove; 212, containing groove; 213, extruded bolt; 214, communication pipe; 22, fixed support; 3, limiting assembly; 31, embedded ring; 32, extrusion component; 321, double-head spring telescopic rod; 322, air bag; 323, T-shaped rod; 324, connecting rubber strip; 325, magnetic strip; 326, embedded pipe; 4, inflation assembly; 41, air pump; 42, connecting pipe; 43, electric valve; 5, air outlet; 6, catheter fixing assembly; 61, fixed ring; 62, magnetic block; 63, T-shaped block; 64, electric telescopic rod; 65, first clamping part; 7, adjusting component; 71, motor; 72, screw rod; 73, second clamping part; 74, first arc strip; 75, second arc strip; 76, embedded arc strip; 8, support block. DETAILED DESCRIPTION

[0018] The following examples are for illustrative purposes only and are not intended to limit the scope of the present application.

[0019] EMBODIMENT REFERENCE Figures 1-11 A adjustable patient limb fixing and protecting device for interventional catheter room, comprising a support seat 1, two groups of support assemblies 2 are arranged in the inner side of the support seat 1 and symmetrically arranged at intervals, a limiting assembly 3 is arranged between the two groups of support assemblies 2, an inflation assembly 4 is arranged in the outer surface of one group of support assemblies 2 and penetrates through the support seat 1, an air outlet 5 is arranged in the outer surface of the other group of support assemblies 2 and penetrates through the support seat 1, a catheter fixing assembly 6 is arranged at the end of the group of support assemblies 2 connected with the air outlet 5, a support block 8 is fixedly connected to the inner side of the support seat 1 near the end, and an adjusting component 7 is arranged in the upper end of the support seat 1, the two groups of support assemblies 2 are used for fixing the limiting assembly 3, the limiting assembly 3 is used for fixing the patient's forearm, the air outlet 5 is used for controlling the discharge of gas in the limiting assembly 3 and the support assembly 2, the catheter fixing assembly 6 is used for fixing the interventional catheter, the support block 8 is used for supporting the patient's hand, and the adjusting component 7 is used for adjusting the position of the support assembly 2. The limiting assembly 3 comprises two groups of embedded rings 31 arranged in the two groups of support assemblies 2 respectively, and four groups of extrusion components 32 are arranged between the two groups of embedded rings 31, the embedded ring 31 is used for fixing the groups of extrusion components 32, and the four groups of extrusion components 32 are used for extruding and fixing the patient's forearm, so as to facilitate the radial artery puncture of medical staff.

[0020] The support assembly 2 comprises a mounting ring 21 arranged in contact with the inner side of the support seat 1, and the mounting ring 21 is arranged between the two ends of the adjusting component 7, two groups of fixed supports 22 are fixedly connected to the inner side of the mounting ring 21 and arranged in contact, the fixed support 22 is soft, which can avoid the direct contact between the patient's forearm and the mounting ring 21 and can avoid local compression, thereby preventing pressure sores.

[0021] The mounting ring 21 is provided with an embedded groove 211 at one end, and the embedded ring 31 is movably clamped with the embedded groove 211. A plurality of extrusion bolts 213 are threadedly connected to the outer surface of the mounting ring 21 at intervals, and the lower ends of the extrusion bolts 213 extend into the inside of the embedded groove 211 and extrude the embedded ring 31. The mounting ring 21 is provided with a containing groove 212 inside. The communicating pipes 214 are fixedly connected between the embedded groove 211 and the containing groove 212. The lower end of the air outlet part 5 penetrates the mounting ring 21 and communicates with the containing groove 212. The embedded ring 31 can be extruded and fixed by the extrusion bolts 213. The plurality of communicating pipes 214 are used to communicate the embedded groove 211 and the containing groove 212. The gas in the containing groove 212 can be uniformly discharged through the air outlet part 5.

[0022] The adjusting part 7 comprises a motor 71 fixedly connected to one end of the support seat 1 and a lead screw 72 fixedly connected to the output end of the motor 71. The support seat 1 is slidably connected with a second clamping part 73 at the upper end. The support seat 1 is provided with a sliding groove at the upper end for the sliding of the second clamping part 73. The lead screw 72 is rotatably connected with the sliding groove, and the lead screw 72 is threadedly connected with the second clamping part 73. The second clamping part 73 can be driven to slide in the sliding groove by the motor 71 and the lead screw 72, so as to adjust the position of the second clamping part 73.

[0023] The lower end of each clamping plate of the second clamping part 73 is fixedly connected with a first arc strip 74 and a second arc strip 75, respectively. The first arc strip 74 and the second arc strip 75 are respectively in contact with both ends of the mounting ring 21. The second arc strip 75 is fixedly connected with an embedded arc strip 76 at one side. The embedded arc strip 76 is slidably connected with one end of the mounting ring 21. When the second clamping part 73 moves, it can drive the mounting ring 21 to move together through the first arc strip 74 and the second arc strip 75, so as to adjust the position of the mounting ring 21. The embedded arc strip 76 can limit the up and down movement of the mounting ring 21, so as to avoid the deviation of the mounting ring 21. The first arc strip 74 and the second arc strip 75 can be clamped and fixed with the mounting ring 21 by the second clamping part 73.

[0024] The inside of the embedded ring 31 is provided with a cavity. The outer surface of each of the plurality of communicating pipes 214 is provided with a sealing rubber layer. One end of the embedded ring 31 is detachably connected with the plurality of communicating pipes 214 through interference fit. The interference fit can realize sealing. The gas in the containing groove 212 can enter the inside of the embedded ring 31 through the communicating pipes 214.

[0025] The extrusion part 32 comprises double-end spring telescopic rods 321 detachably and tightly fitted with the two groups of embedding rings 31 respectively, the outer surfaces of both ends of the double-end spring telescopic rods 321 are provided with sealing rubber layers, the double-end spring telescopic rods 321 are provided in two groups, two groups of the double-end spring telescopic rods 321 are fixedly connected with air bags 322, the air bags 322 are fixedly connected with T-shaped rods 323 and connecting rubber strips 324 on the outer side, and the T-shaped rods 323 and the connecting rubber strips 324 are provided in multiple groups at intervals, the multiple groups of connecting rubber strips 324 are fixedly connected with the double-end spring telescopic rods 321 of the adjacent group, the connecting rubber strips 324 on one group of air bags 322 are penetrated and sleeved with the T-shaped rods 323 on the adjacent air bags 322, and the connecting rubber strips 324 are used for connecting the two groups of air bags 322, so that the force borne by the air bags 322 and the double-end spring telescopic rods 321 can be partially dispersed to other air bags 322 and double-end spring telescopic rods 321, and the bending resistance is improved.

[0026] The air bags 322 are fixedly connected with magnetic strips 325 at both ends, the magnetic strips 325 are penetrated and fixedly connected with embedding tubes 326, and the embedding tubes 326 are provided in multiple groups, one end of the multiple groups of embedding tubes 326 is penetrated and fixedly connected with the air bags 322, and the other end of the multiple groups of embedding tubes 326 is detachably and tightly penetrated with the embedding rings 31, one side of the embedding ring 31 is provided with a magnetic plate which is magnetically connected with the magnetic strip 325, through the adsorption of the magnetic strip 325 and the magnetic plate, the firmness of the connection between the embedding tube 326 and the embedding ring 31 can be improved, and the gas in the embedding ring 31 can enter the air bag 322 to make the air bag 322 expand.

[0027] The catheter fixing assembly 6 comprises a fixing ring 61 fixedly connected at one end of one group of mounting rings 21, and the fixing ring 61 is embeddedly and rotatably connected with the inner side of the support seat 1, and the fixing ring 61 is in contact with the supporting block 8, the outer surface of the fixing ring 61 is magnetically connected with a magnetic block 62, the lower end of the magnetic block 62 is fixedly connected with a T-shaped block 63, the T-shaped block 63 is penetrated and slidably connected with the fixing ring 61, the lower end of the T-shaped block 63 is fixedly connected with an electric telescopic rod 64, and the lower end of the electric telescopic rod 64 is fixedly provided with a first clamping part 65, the positions of the T-shaped block 63, the electric telescopic rod 64 and the first clamping part 65 can be fixed through the magnetic connection of the magnetic block 62 and the fixing ring 61, the height of the first clamping part 65 can be adjusted through the electric telescopic rod 64, when the mounting ring 21 rotates, the catheter fixing assembly 6 will rotate together, the position of the catheter for radial artery puncture of the patient can be fixed through the first clamping part 65, and since the fixing ring 61 is in contact with the supporting block 8 and the friction on the surface of the supporting block 8 is large, the fixing ring 61 will not easily rotate.

[0028] The inflating assembly 4 comprises a gas pump 41 fixedly connected to the lower end of the support base 1, the gas inlet end of the gas pump 41 is connected with an external constant-temperature air supply structure, the gas outlet end of the gas pump 41 is fixedly connected with a connecting pipe 42, a group of mounting rings 21 close to the adjusting component 7 are fixedly connected with an electric valve 43 through a pipeline on the outer surface, one end of the electric valve 43 is detachably connected with the connecting pipe 42, and through the gas pump 41, the constant-temperature clean air at 28-30 DEG C can be delivered to the containing groove 212 through the connecting pipe 42 and the electric valve 43.

[0029] In the present application, before the intervention catheter operation of radial artery puncture is performed, the extrusion component 32 with a proper length is selected according to the arm length of the patient, then the double-head spring telescopic rod 321 is interference-fitted with the embedded ring 31 to realize sealing, the magnetic strip 325 is magnetically adsorbed with the embedded ring 31, the extrusion component 32 can be fixedly arranged between the two groups of embedded rings 31, after the four groups of extrusion components 32 are sequentially installed, the adjusting component 7 is used to move away the one group of mounting rings 21 from the air outlet part 5, then the embedded ring 31 is embedded into the embedded groove 211 close to the air outlet part 5, the plurality of communication pipes 214 are interference-fitted with the embedded ring 31 to realize sealing, the installation of the one group of embedded rings 31 and the mounting rings 21 can be realized, the position of the mounting ring 21 is adjusted through the adjusting component 7, the other group of embedded rings 31 are embedded into the mounting ring 21, so that the limiting assembly 3 can be fixedly installed between the two groups of mounting rings 21, through the above, the length of the air bag 322 can be adjusted, the device can be adapted to patients with different body types, and the applicability of the device is improved. In surgery, the support seat 1 is fixedly installed on one side of the operating table, the patient's arm is penetrated from between the two groups of mounting rings 21, and then the two groups of mounting rings 21 are rotated and the angle of the patient's arm is adjusted, so that the wound on the patient's arm is located in the gap between the multiple air bags 322, if the wound area is large, the pressing part 32 at the wound position is disassembled, which can not only avoid the wound being pressed during the operation, but also adapt to wounds of different areas, then the first arc strip 74 and the second arc strip 75 are controlled by the second clamping part 73 to clamp and fix the mounting ring 21, if the patient's forearm has no external injury, the gap of the T-shaped rod 323 is adjusted to above the radial artery of the patient's forearm, so that the compression of the radial artery during the operation can be reduced, and the guide wire can pass through the blood vessel, then the magnetic block 62 and the T-shaped block 63 are adjusted to the required position on the fixed ring 61, after the position adjustment is completed, the air pump 41 is started, and the constant temperature clean air at 28-30℃ can enter the air bag 322 from the connecting pipe 42, the electric valve 43, the containing groove 212, the communication pipe 214, the embedded ring 31 and the embedded pipe 326, and the patient's arm can be fixed by the inflation of the four groups of air bags 322, so that the fixation and protection of the patient's limbs can be realized, and the normal operation of the patient is affected by the body movement, the constant temperature gas is continuously input into the air bag 322 by the inflation assembly 4, and the gas in the air bag 322 is quantitatively discharged by the air outlet 5, so that the temperature of the air bag 322 can be kept constant, for the patient with a wound on the arm, the skin temperature near the wound can be reduced, and heat accumulation can be avoided, and lower temperature can reduce the possibility and severity of inflammatory reaction, then the medical staff can perform radial artery puncture, after the puncture is completed, the catheter is clamped and fixed by the first clamping part 65, then the medical staff inserts the guide wire into the blood vessel of the patient from the catheter, without the medical staff holding the guide wire, the possibility of catheter tilting or falling out caused by unstable hand holding is avoided, so that the medical staff can complete more operations alone, if it is necessary to adjust the position of the first clamping part 65, the magnetic block 62 can be moved to complete the adjustment, after the operation is completed, the device can be disassembled with the patient, and the fixation and protection of the patient's limbs can be continuously realized, without using additional fixation structure.

[0030] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An adjustable patient limb fixation and protection device for an interventional catheterization room, comprising a support seat (1), characterized in that: Two groups of support components (2) are provided on the inner side of the support seat (1), and the two groups of support components (2) are symmetrically arranged at intervals. A limiting component (3) is embedded between the two groups of support components (2). An inflation component (4) penetrating the support seat (1) is embedded on the outer surface of one group of support components (2). An air outlet (5) is penetrating on the outer surface of the other group of support components (2). A conduit fixing component (6) is provided at the end of one group of support components (2) connected to the air outlet (5). A support block (8) is fixedly connected to the inner side of the support seat (1) near the end position. An adjusting component (7) is embedded on the upper end of the support seat (1). The limiting assembly (3) comprises two groups of embedded rings (31) respectively embedded in the two groups of support assemblies (2), and four groups of extrusion components (32) are arranged between the two groups of embedded rings (31).

2. The adjustable patient limb fixation and protection device for an interventional catheterization laboratory according to claim 1, characterized in that: The support assembly (2) comprises a mounting ring (21) arranged in contact with the inner side of the support seat (1), and the mounting ring (21) is arranged between the two ends of the adjustment component (7), and two groups of fixed supports (22) are symmetrically fixedly connected to the inner side of the mounting ring (21), and the two groups of fixed supports (22) are arranged in contact with each other.

3. The adjustable patient limb fixation and protection device for an interventional catheterization laboratory according to claim 2, characterized in that: An embedding groove (211) is provided at one end of the mounting ring (21), and the embedding ring (31) is movably engaged with the embedding groove (211). Multiple groups of extrusion bolts (213) are threadedly connected to the outer surface of the mounting ring (21) at intervals, and the lower ends of the extrusion bolts (213) extend into the embedding groove (211) and squeeze the embedding ring (31). An accommodating groove (212) is provided inside the mounting ring (21). A connecting pipe (214) is fixedly connected between the embedding groove (211) and the accommodating groove (212), and multiple groups of connecting pipes (214) are provided. The lower end of the air outlet portion (5) penetrates the mounting ring (21) and is communicated with the accommodating groove (212).

4. The adjustable patient limb fixation and protection device for an interventional catheterization laboratory according to claim 2, characterized in that: The adjusting component (7) includes a motor (71) fixedly connected to one end of the support seat (1) and a screw rod (72) fixedly connected to the output end of the motor (71); the upper end of the support seat (1) is slidably connected to the second clamping portion (73); the upper end of the support seat (1) is provided with a slide groove for the second clamping portion (73) to slide; the screw rod (72) is rotatably connected to the slide groove; and the screw rod (72) is threadedly connected to the second clamping portion (73).

5. The adjustable patient limb fixation and protection device for an interventional catheterization laboratory according to claim 4, characterized in that: The lower ends of the two clamping plates of the second clamping portion (73) are respectively fixedly connected to a first arc bar (74) and a second arc bar (75), and the first arc bar (74) and the second arc bar (75) are respectively arranged in contact with two ends of the mounting ring (21), and one side of the second arc bar (75) is fixedly connected to an embedded arc bar (76), and the embedded arc bar (76) is embedded and slidably connected to one end of the mounting ring (21).

6. The adjustable patient limb fixation and protection device for an interventional catheterization laboratory according to claim 3, characterized in that: A cavity is provided inside the embedded ring (31), and a sealing rubber layer is provided on the outer surfaces of the plurality of connecting tubes (214). One end of the embedded ring (31) and the plurality of connecting tubes (214) are detachably connected by interference fit.

7. The adjustable patient limb fixation and protection device for an interventional catheterization laboratory according to claim 1, characterized in that: The extrusion component (32) includes a double-headed spring telescopic rod (321) that is detachably interference-engaged with the two groups of embedded rings (31). The outer surfaces of both ends of the double-headed spring telescopic rod (321) are provided with a sealing rubber layer. Two groups of double-headed spring telescopic rods (321) are arranged at intervals. An airbag (322) is fixedly connected between the two groups of double-headed spring telescopic rods (321). The outside of the airbag (322) is fixedly connected with a T-shaped rod (323) and a connecting rubber strip (324). There are multiple groups of T-shaped rods (323) and connecting rubber strips (324) at intervals. Multiple groups of connecting rubber strips (324) are fixedly connected to a nearby group of double-headed spring telescopic rods (321). The connecting rubber strip (324) on one group of airbags (322) is penetrated and sleeved with the T-shaped rod (323) on the adjacent airbag (322).

8. The adjustable patient limb fixation and protection device for an interventional catheterization laboratory according to claim 7, characterized in that: Both ends of the airbag (322) are fixedly connected to a magnetic strip (325), and an embedded tube (326) is fixedly connected to the magnetic strip (325), and multiple groups of embedded tubes (326) are provided. One end of the multiple groups of embedded tubes (326) is fixedly connected to the end of the airbag (322), and the other end of the multiple groups of embedded tubes (326) is detachably connected to the embedded ring (31) through interference fit. A magnetic plate magnetically connected to the magnetic strip (325) is provided on one side of the embedded ring (31).

9. The adjustable patient limb fixation and protection device for an interventional catheterization laboratory according to claim 2, characterized in that: The catheter fixing assembly (6) includes a fixing ring (61) fixedly connected to one end of a group of the mounting rings (21), and the fixing ring (61) is embedded in the inner side of the support seat (1) for rotation connection, and the fixing ring (61) contacts the support block (8), the outer surface of the fixing ring (61) is magnetically connected to a magnetic block (62), the lower end of the magnetic block (62) is fixedly connected to a T-shaped block (63), and the T-shaped block (63) and the fixing ring (61) are slidably connected, the lower end of the T-shaped block (63) is fixedly connected to an electric telescopic rod (64), and the lower end of the electric telescopic rod (64) is fixedly provided with a first clamping portion (65).

10. The adjustable patient limb fixation and protection device for an interventional catheterization laboratory according to claim 2, characterized in that: The inflation assembly (4) includes an air pump (41) fixedly connected to the lower end of the support seat (1), and the air inlet end of the air pump (41) is connected to the external constant temperature air supply structure, and the air outlet end of the air pump (41) is fixedly connected to a connecting pipe (42). The outer surface of a group of the mounting rings (21) near the regulating component (7) is fixedly connected to an electric valve (43) through a pipeline, and one end of the electric valve (43) is detachably connected to the connecting pipe (42).

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