Limb fixing frame for critical patient

Abstract

The utility model belongs to the technical field of medical equipment, particularly relates to a limb fixing frame for a critical patient, and aims to solve the problems that in the prior art, the operation of adjusting the angle of a supporting plate by screwing and unscrewing a bolt is inconvenient, the tightness is insufficient if the bolt is manually screwed and unscrewed, the supporting plate is easily driven to rotate when the limb of the patient is placed on the supporting plate, and the stability is poor. In order to solve the problems that in the prior art, if a wrench is used for disassembling and assembling a bolt, operation is tedious, adjustment can be completed only through a tool, and therefore people cannot conveniently use the bolt, and practicability is poor, the following scheme is provided that the bolt fixing frame comprises a fixing frame body and a supporting plate, and the bottom of the supporting plate makes contact with the top of the fixing frame body; the angle of the supporting plate can be rapidly adjusted through a simple structure, positioning and fixing after adjustment are achieved, operation is convenient and rapid, the adjusting efficiency is high, positioning stability after adjustment is high, adjustment operation can be conducted without a tool wrench, use by personnel is facilitated, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a limb fixation frame for critically ill patients. Background Art

[0002] In the prior art, the utility model of application number 201720386115.8 discloses a limb fixing frame for critical care patients, including a support plate, a support rod and a base, the top of the support rod is provided with an internal threaded hole, one end of the support plate is threadedly connected to the internal threaded hole through a screw, an electric heating plate is provided inside the support plate, a root elastic band is installed on the top of the support plate, a first switch and a second switch are installed on one side of the support rod, a second slot is provided on one side of the support rod, a first slot is provided on the other side of the support rod, an article placement plate is provided inside the second slot, and one end of the article placement plate is movably connected to one end of the connecting plate through a pin. The elastic band provided in the utility model can tie and fix the patient's limbs on the support plate to prevent the patient's limbs from swinging back and forth, and the electric telescopic rod provided can lift the top plate, and the top plate and the groove wall at one end of the first slot are used to engage and fix with the bed edge, so as to quickly complete the fixation of the fixing frame and the bed body and prevent the fixing frame from displacement during use.

[0003] However, the above technical solution is inconvenient to operate because the method of adjusting the angle of the support plate by loosening and tightening the bolts is inconvenient. If the bolts are loosened and tightened manually, the tightness is not enough, and the patient's limbs placed on the support plate are likely to cause the support plate to rotate, resulting in poor stability. If a wrench is used to disassemble and assemble the bolts, the operation is cumbersome and tools must be used to complete the adjustment. Therefore, there is still the problem of inconvenience for personnel to use and poor practicality. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the method of adjusting the angle of the support plate by loosening and tightening bolts in the prior art is relatively inconvenient to operate. If the bolts are loosened and tightened manually, the tightness is insufficient, and the patient's limbs placed on the support plate are easily driven to rotate, resulting in poor stability. If a wrench is used to disassemble and assemble the bolts, the operation is cumbersome and tools must be used to complete the adjustment. Therefore, there are still shortcomings such as inconvenience for personnel to use and poor practicality. A limb fixation frame for critically ill patients is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A limb fixation frame for critically ill patients, comprising a fixation frame body and a support plate, wherein the bottom of the support plate contacts the top of the fixation frame body, a chamber is provided inside the fixation frame body, a rotating shaft is rotatably connected to the bottom inner wall of the chamber, the top end of the rotating shaft penetrates the top inner wall of the chamber and is fixedly connected to the bottom of the support plate, a transmission shaft is provided inside the chamber, the left end of the transmission shaft penetrates the left inner wall of the chamber and extends to the outside of the fixation frame body, a handle is fixedly connected to the left end of the transmission shaft, bevel gears are fixedly sleeved on the transmission shaft and the rotating shaft, and the two bevel gears are meshed;

[0007] A disc is fixed on the rotating shaft, and a plurality of slots are provided at equal intervals in a circular shape on the bottom of the disc. A positioning component is provided on the left inner wall of the chamber, and the positioning component cooperates with the slot. An unlocking component is provided inside the chamber, and the unlocking component cooperates with the positioning component.

[0008] By means of the above structure, the support plate can be driven to rotate through the transmission cooperation between the handle and the support plate, so that the rotation angle of the support plate can be adjusted.

[0009] Preferably, the positioning assembly includes a sliding tube and a clamping rod;

[0010] The bottom end of the sliding tube is fixedly connected to the left inner wall of the chamber, the bottom end of the clamping rod extends to the inside of the sliding tube and is slidably connected to the inner wall of the sliding tube, the bottom end of the clamping rod is elastically connected to the bottom inner wall of the sliding tube, and the top end of the clamping rod is movably connected to the corresponding clamping groove.

[0011] Furthermore, the rotation of the rotating shaft can be limited and fixed by the plug-in limiting cooperation between the clamping rod and the clamping slot, so that after the angle of the support plate is adjusted, the support plate can be positioned and fixed to make it more stable.

[0012] Preferably, a return spring is fixedly connected to the inner wall of the bottom of the sliding tube, and the top end of the return spring is fixedly connected to the bottom end of the clamping rod.

[0013] Furthermore, by providing a reset spring, the clamping rod can be driven to move upward and reset.

[0014] Preferably, the unlocking assembly includes a pull rope, three guide wheels, a winding roller, a ball screw, a nut, two push rods and a pressure plate;

[0015] One end of the pull rope is fixedly connected to the left side of the clamping rod, and the other end of the pull rope is wound around the winding roller. The three guide wheels are rotatably connected to the rear inner wall of the chamber, and the pull rope contacts the three guide wheels respectively. The left side of the winding roller is fixedly connected to the right end of the ball screw, and the left end of the ball screw is rotatably connected to the left inner wall of the chamber. The nut is threadedly connected to the ball screw, and the sides of the two push rods close to each other are fixedly connected to the top and bottom of the nuts respectively. The left ends of the two push rods pass through the left inner wall of the chamber and extend to the left side of the fixed frame body, and the left ends of the two push rods are fixedly connected to the right side of the pressure plate.

[0016] Furthermore, through the transmission cooperation between the pressure plate and the clamping rod, the clamping limit between the clamping rod and the clamping slot can be released, thereby realizing the adjustment of the rotation angle of the support plate.

[0017] Preferably, a fixing plate is fixedly connected to the left inner wall of the chamber, and the winding roller is rotatably connected to the left side of the fixing plate.

[0018] Furthermore, by providing a fixing plate, the winding roller can be stably supported in rotation.

[0019] Preferably, an auxiliary spring is fixedly connected to the right side of the pressure plate, and the right end of the auxiliary spring is fixedly connected to the left side of the fixing frame body.

[0020] Furthermore, by providing an auxiliary spring, the pressure plate and the two push rods can be driven to move and reset to the left side.

[0021] Beneficial effect: Through the transmission cooperation between the handle and the support plate, the angle of the support plate can be quickly adjusted, and then through the elastic reset characteristics of the auxiliary spring and the reset spring and the plug-in limit cooperation between the clamping rod and the clamping slot, the positioning fixation and positioning unlocking of the support plate can be achieved. In this way, the operation is convenient and fast, the adjustment efficiency is fast, and the positioning stability after adjustment is high. There is no need to use a tool wrench for adjustment operation, which is convenient for personnel to use and has strong practicality.

[0022] The utility model realizes the rapid adjustment of the angle of the support plate and the positioning and fixing after the adjustment through a simple structure. The operation is convenient and quick, the adjustment efficiency is high, and the positioning stability after the adjustment is high. There is no need to use a tool wrench for the adjustment operation, which is convenient for personnel to use and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural front view of a limb fixation frame for critically ill patients proposed by the utility model;

[0024] Figure 2 The utility model provides a limb fixation frame for critically ill patients. Figure 1 Schematic diagram of the structure of part A;

[0025] Figure 3 This is a structural main sectional view of a slide tube, a clamping rod and a return spring of a limb fixation frame for critically ill patients proposed by the utility model;

[0026] Figure 4 This is a three-dimensional structural diagram of a rotating shaft, a disc and a slot of a limb fixation frame for critically ill patients proposed by the utility model.

[0027] In the figure: 1. fixed frame body; 2. support plate; 3. chamber; 4. rotating shaft; 5. transmission shaft; 6. handle; 7. bevel gear; 8. disc; 9. slot; 10. slide tube; 11. clamping rod; 12. reset spring; 13. pull rope; 14. guide wheel; 15. fixed plate; 16. winding roller; 17. ball screw; 18. nut; 19. push rod; 20. pressure plate; 21. auxiliary spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Reference Figure 1-4 A limb fixation frame for critically ill patients, comprising a fixation frame body 1 and a support plate 2, the bottom of the support plate 2 is in contact with the top of the fixation frame body 1, a chamber 3 is provided inside the fixation frame body 1, a rotating shaft 4 is rotatably connected to the bottom inner wall of the chamber 3 through an axis, the top of the rotating shaft 4 passes through the top inner wall of the chamber 3 and is welded to the bottom of the support plate 2, a transmission shaft 5 is provided inside the chamber 3, the left end of the transmission shaft 5 passes through the left inner wall of the chamber 3 and extends to the outside of the fixation frame body 1, a handle 6 is welded to the left end of the transmission shaft 5, and a bevel gear 7 is fixedly sleeved on the transmission shaft 5 and the rotating shaft 4, and the two bevel gears 7 are meshed;

[0030] A disc 8 is fixedly sleeved on the rotating shaft 4, and a plurality of slots 9 are formed in an annular manner at equal intervals on the bottom of the disc 8. A positioning assembly is provided on the left inner wall of the chamber 3, and the positioning assembly cooperates with the slot 9. An unlocking assembly is provided inside the chamber 3, and the unlocking assembly cooperates with the positioning assembly.

[0031] The positioning assembly includes a slide tube 10 and a clamping rod 11; the bottom end of the slide tube 10 is welded to the left inner wall of the chamber 3, the bottom end of the clamping rod 11 extends to the inside of the slide tube 10 and is slidably connected to the inner wall of the slide tube 10, the bottom end of the clamping rod 11 is elastically connected to the bottom inner wall of the slide tube 10, and the top end of the clamping rod 11 is movably connected to the corresponding clamping groove 9; the unlocking assembly includes a pull rope 13, three guide wheels 14, a winding roller 16, a ball screw 17, a nut 18, two push rods 19 and a pressure plate 20; one end of the pull rope 13 is welded to the left side of the clamping rod 11, and the other end of the pull rope 13 is wound around the winding roller 16 On the top, the three guide wheels 14 are all connected to the rear inner wall of the chamber 3 through an axial rotation, the pull rope 13 is in contact with the three guide wheels 14 respectively, the left side of the winding roller 16 is welded to the right end of the ball screw 17, the left end of the ball screw 17 is connected to the left inner wall of the chamber 3 through an axial rotation, the nut 18 is threadedly connected to the ball screw 17, the two push rods 19 are welded to the top and bottom of the nut 18 on the sides close to each other, the left ends of the two push rods 19 pass through the left inner wall of the chamber 3 and extend to the left side of the fixed frame body 1, and the left ends of the two push rods 19 are welded to the right side of the pressure plate 20.

[0032] By means of the above structure, the support plate 2 can be driven to rotate through the transmission cooperation between the handle 6 and the support plate 2, so that the rotation angle of the support plate 2 can be adjusted. Through the plug-in limit cooperation between the clamping rod 11 and the clamping slot 9, the rotation of the rotating shaft 4 can be limited and fixed, so that after the angle of the support plate 2 is adjusted, the support plate 2 can be positioned and fixed to make it more stable; through the transmission cooperation between the pressing plate 20 and the clamping rod 11, the clamping limit between the clamping rod 11 and the clamping slot 9 can be released, so that the rotation angle of the support plate 2 can be adjusted.

[0033] In the present invention, a reset spring 12 is welded on the inner wall of the bottom of the sliding tube 10 , and the top of the reset spring 12 is welded to the bottom end of the clamping rod 11 . The reset spring 12 can drive the clamping rod 11 to move upward and reset.

[0034] In the present invention, a fixing plate 15 is fixedly connected to the left inner wall of the chamber 3, and a winding roller 16 is rotatably connected to the left side of the fixing plate 15 via an axis. By providing the fixing plate 15, the winding roller 16 can be stably supported in rotation.

[0035] In the present invention, an auxiliary spring 21 is welded on the right side of the pressure plate 20, and the right end of the auxiliary spring 21 is welded on the left side of the fixing frame body 1. By setting the auxiliary spring 21, the pressure plate 20 and the two push rods 19 can be driven to move and reset to the left side.

[0036] Working principle: when the angle of the support plate 2 needs to be adjusted, pressing the pressure plate 20 to the right can drive the two push rods 19 to move to the right. When the two push rods 19 move to the right, the nut 18 can be driven to move to the right. When the nut 18 moves to the right, the threaded connection between the nut 18 and the ball screw 17 can drive the ball screw 17 to rotate. When the ball screw 17 rotates, the winding roller 16 can be driven to rotate. When the winding roller 16 rotates, the pull rope 13 can be wound. When the pull rope 13 is wound, the guide support of the three guide wheels 14 can pull the clamping rod 11 downward. When the clamping rod 11 moves downward, the clamping rod 11 and the clamping slot 9 can be released. At this time, the rotation limit of the disc 8 and the rotating shaft 4 is released. At this time, when the handle 6 is rotated, It can drive the transmission shaft 5 to rotate. When the transmission shaft 5 rotates, the meshing transmission between the two bevel gears 7 can drive the rotating shaft 4 to rotate. When the rotating shaft 4 rotates, it can drive the supporting plate 2 to rotate. When the supporting plate 2 rotates, the angle adjustment of the supporting plate 2 is realized. Then, when the angle adjustment of the supporting plate 2 is completed, the pressing plate 20 is released and the elastic reset characteristics of the auxiliary spring 21 and the reset spring 12 can drive the clamping rod 11 to move upward and insert into the corresponding clamping groove 9. Here, through the plug-in limit cooperation between the clamping rod 11 and the clamping groove 9, the rotation limit of the disc 8, the rotating shaft 4 and the supporting plate 2 can be realized. In this way, the operation is convenient and fast, the adjustment efficiency is fast, and the positioning stability after adjustment is high. There is no need to use a tool wrench for adjustment operation, which is convenient for personnel to use and has strong practicality.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A limb fixation frame for critically ill patients, comprising a fixation frame body (1) and a support plate (2), characterized in that: The bottom of the support plate (2) contacts the top of the fixing frame body (1); a chamber (3) is provided inside the fixing frame body (1); a rotating shaft (4) is rotatably connected to the inner wall of the bottom of the chamber (3); the top of the rotating shaft (4) passes through the inner wall of the top of the chamber (3) and is fixedly connected to the bottom of the support plate (2); a transmission shaft (5) is provided inside the chamber (3); the left end of the transmission shaft (5) passes through the left inner wall of the chamber (3) and extends to the outside of the fixing frame body (1); a handle (6) is fixedly connected to the left end of the transmission shaft (5); a bevel gear (7) is fixedly sleeved on the transmission shaft (5) and the rotating shaft (4); the two bevel gears (7) are meshed with each other; A disc (8) is fixedly sleeved on the rotating shaft (4), and a plurality of slots (9) are formed in an annular manner at equal intervals on the bottom of the disc (8). A positioning component is provided on the left inner wall of the chamber (3), and the positioning component cooperates with the slot (9). An unlocking component is provided inside the chamber (3), and the unlocking component cooperates with the positioning component.

2. A limb fixation frame for critically ill patients according to claim 1, characterized in that: The positioning assembly comprises a sliding tube (10) and a clamping rod (11); The bottom end of the slide tube (10) is fixedly connected to the left inner wall of the chamber (3), the bottom end of the clamping rod (11) extends to the inside of the slide tube (10) and is slidably connected to the inner wall of the slide tube (10), the bottom end of the clamping rod (11) is elastically connected to the bottom inner wall of the slide tube (10), and the top end of the clamping rod (11) is movably connected to the corresponding clamping groove (9).

3. A limb fixation frame for critically ill patients according to claim 2, characterized in that: A return spring (12) is fixedly connected to the inner wall of the bottom of the sliding tube (10), and the top end of the return spring (12) is fixedly connected to the bottom end of the clamping rod (11).

4. A limb fixation frame for critically ill patients according to claim 2, characterized in that: The unlocking assembly comprises a pull rope (13), three guide wheels (14), a winding roller (16), a ball screw (17), a nut (18), two push rods (19) and a pressure plate (20); One end of the pull rope (13) is fixedly connected to the left side of the clamping rod (11), and the other end of the pull rope (13) is wound around the winding roller (16). The three guide wheels (14) are all rotatably connected to the rear inner wall of the chamber (3). The pull rope (13) contacts the three guide wheels (14) respectively. The left side of the winding roller (16) is fixedly connected to the right end of the ball screw (17), and the left end of the ball screw (17) is rotatably connected to the left inner wall of the chamber (3). The nut (18) is threadedly connected to the ball screw (17). The sides of the two push rods (19) close to each other are fixedly connected to the top and bottom of the nut (18) respectively. The left ends of the two push rods (19) penetrate the left inner wall of the chamber (3) and extend to the left side of the fixed frame body (1). The left ends of the two push rods (19) are fixedly connected to the right side of the pressure plate (20).

5. A limb fixation frame for critically ill patients according to claim 4, characterized in that: A fixing plate (15) is fixedly connected to the left inner wall of the chamber (3), and a winding roller (16) is rotatably connected to the left side of the fixing plate (15).

6. A limb fixation frame for critically ill patients according to claim 4, characterized in that: An auxiliary spring (21) is fixedly connected to the right side of the pressure plate (20), and the right end of the auxiliary spring (21) is fixedly connected to the left side of the fixing frame body (1).

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