Patient limb fixation device

Abstract

The utility model relates to the technical field of operating room nursing, in particular to a patient limb fixing device, which can adapt to the arm lengths of different patients through telescopic adjustment, and can adjust the angle, facilitate the support of different forearm postures, and improve practicality; it comprises an empty slot arm bracket, a strap, an adjustment card, a telescopic frame, a constraint shaft, a forearm bracket, a movable frame, a tightening screw sleeve, a tightening screw and a tightening hand, the inner side of the empty slot arm bracket is slidably connected to the outer side of the telescopic frame forward, the outer side of the front end of the telescopic frame is movably connected to the inner side of the movable frame through the constraint shaft, the front end of the movable frame is connected to the rear end of the forearm bracket, the empty slot arm bracket and the outer side of the middle part of the forearm bracket are respectively connected upward with a group of straps, the front side of the bottom end of the empty slot arm bracket is connected with the inner end of the tightening screw sleeve, the inner wall of the tightening screw sleeve is screwed and connected with the outer wall of the tightening screw, the bottom end of the tightening screw is connected with the middle part of the top of the tightening hand, and the forearm bracket and the bottom end of the empty slot arm bracket are provided with an adjustment mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of operating room nursing, in particular to a patient limb fixing device. Background Art

[0002] In some operating room care, it is necessary to fix the patient's limbs. There is a limb fixation device with a Chinese patent publication number of CN214967398U. When fixing the patient's limbs, especially the elbow joints of the patient's upper limbs, the width of the restraint belt body is adjusted so that the restraint belt body can cover the elbow joint, and the connecting piece has a certain hardness. Therefore, the restraint belt body can limit the movement of the patient's elbow joint, making the elbow joint difficult to bend, thereby avoiding unplanned extubation of the patient.

[0003] However, the device has the problem of incomplete adaptation, which makes it difficult to meet the needs of different patients and lacks practicality. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a patient limb fixation device which can adapt to the upper arm length of different patients through telescopic adjustment and can adjust the angle to facilitate the support of different forearm postures and improve practicality.

[0005] The utility model discloses a patient limb fixing device, comprising an empty slot arm support, a binding strap, an adjustment card, a telescopic frame, a constraint shaft, a small arm support, a movable frame, a tightening screw sleeve, a tightening screw and a tightening hand. The inner side of the empty slot arm support is slidably connected with the outer side of the telescopic frame forward, the outer side of the front end of the telescopic frame is movably connected with the inner side of the movable frame via the constraint shaft, the front end of the movable frame is connected with the rear end of the small arm support, the outer side of the middle part of the empty slot arm support and the small arm support are respectively connected upward with a group of binding straps, the binding straps are provided with an adjustment card, the front side of the bottom end of the empty slot arm support is connected with the inner end of the tightening screw sleeve, the inner wall of the tightening screw sleeve is screwed and connected with the outer wall of the tightening screw, the bottom end of the tightening screw is connected with the middle part of the top of the tightening hand, and the small arm support and the bottom end of the empty slot arm support are provided with an adjustment mechanism.

[0006] Preferably, the adjustment mechanism includes an articulated frame, an articulated shaft, an articulated block, a threaded cover, a sleeve, a connecting bearing and an adjusting screw sleeve. A group of articulated frames are respectively connected to the front side of the top end of the forearm bracket and the rear side of the lower end of the empty slot arm bracket. The inner side of each group of articulated frames is movably connected to the middle part of the outer side of a group of articulated blocks via a group of articulated shafts. The rear side of the front articulated block is connected to a threaded cover, the front side of the rear articulated block is connected to a sleeve, the front side of the sleeve is rotatably connected to the rear side of the adjusting screw sleeve via a connecting bearing, and the inner wall of the adjusting screw sleeve is threadedly connected to the outer wall of the threaded cover.

[0007] Preferably, it further comprises a handle piece 1, and one side of the outer end of the adjusting screw sleeve is connected to the inner side of the handle piece 1.

[0008] Preferably, it further comprises a pad, and the upper side of the movable frame is connected to the bottom end of the pad.

[0009] Preferably, it also includes a connecting frame, and the rear side of the outer end of the hollow slot big arm bracket is connected to the connecting frame.

[0010] Preferably, it further comprises a handle piece 2, and the front side of the bottom end of the telescopic frame is connected to the inner end of the handle piece 2.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the telescopic frame slides on the inner side of the empty slot upper arm bracket, so that the total longitudinal length of the empty slot upper arm bracket and the telescopic frame adapts to the patient's upper arm, and then the tightening handle is turned to rotate the tightening screw, and the tightening screw is threadedly matched with the tightening screw sleeve to act inward on the telescopic frame to tighten, so that the upper limb upper arm is placed on the upper side of the empty slot upper arm bracket, and the strap is adjusted and fixed with the adjustment card. After that, it can be adjusted through the adjustment mechanism, so that the forearm bracket is flipped by the movable constraint of the movable frame on the outside of the constraint axis, so as to support it at a certain angle, so that the elbow is placed on the upper side of the front end of the telescopic frame, and the forearm is fixed with the strap on the forearm bracket with the adjustment card. Through telescopic adjustment, it can adapt to the upper arm length of different patients, and the angle can be adjusted, which is convenient for supporting different forearm postures and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic axial view of the structure of the utility model;

[0013] Figure 2 This utility model Figure 1 Bottom view of

[0014] Figure 3 This utility model Figure 1 Rear view of

[0015] Figure 4 This utility model Figure 1 Right view of;

[0016] Markings in the attached drawings: 1. empty slot arm bracket; 2. binding strap; 3. adjustment card; 4. telescopic frame; 5. constraint shaft; 6. small arm bracket; 7. movable frame; 8. tightening screw sleeve; 9. tightening screw rod; 10. tightening wrench; 11. articulated frame; 12. articulated shaft; 13. articulated block; 14. threaded rod; 15. sleeve; 16. connecting bearing; 17. adjusting screw sleeve; 18. handle piece one; 19. cushion; 20. connecting frame; 21. handle piece two. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0018] like Figures 1 to 4 As shown, a patient limb fixing device of the utility model comprises an empty slot arm support 1, a strap 2, an adjustment card 3, a telescopic frame 4, a constraint shaft 5, a small arm support 6, a movable frame 7, a tightening screw sleeve 8, a tightening screw rod 9 and a tightening hand 10. The inner side of the empty slot arm support 1 is slidably connected to the outer side of the telescopic frame 4 forward, the outer side of the front end of the telescopic frame 4 is movably connected to the inner side of the movable frame 7 via the constraint shaft 5, the front end of the movable frame 7 is connected to the rear end of the small arm support 6, and the outer side of the middle part of the empty slot arm support 1 and the small arm support 6 is respectively connected upward with a group of straps 2, and the straps 2 are provided with an adjustment card 3. The front side of the bottom end of the empty slot arm support 1 is connected with the inner end of the tightening screw sleeve 8, the inner wall of the tightening screw sleeve 8 is screwed to the outer wall of the tightening screw 9, and the bottom end of the tightening screw 9 is screwed to the tightening hand 10. The middle ends are connected, and an adjustment mechanism is provided at the bottom end of the forearm bracket 6 and the empty slot upper arm bracket 1; the telescopic frame 4 slides on the inner side of the empty slot upper arm bracket 1 so that the total longitudinal length of the empty slot upper arm bracket 1 and the telescopic frame 4 adapts to the patient's upper arm, and then the tightening handle 10 is turned to rotate the tightening screw 9, and the tightening screw 9 is threadedly matched with the tightening screw sleeve 8 to act inward on the telescopic frame 4 to tighten, and the upper arm of the upper limb is placed on the upper side of the empty slot upper arm bracket 1, and the strap 2 is adjusted and fixed with the adjustment card 3, and then it can be adjusted through the adjustment mechanism so that the forearm bracket 6 is flipped by the movable constraint of the movable frame 7 on the outside of the constraint shaft 5, so that it is supported at a certain angle, so that the elbow is placed on the upper side of the front end of the telescopic frame 4, and the forearm is adjusted and fixed with the strap 2 on the forearm bracket 6 with the adjustment card 3.

[0019] The adjusting mechanism comprises an articulated frame 11, an articulated shaft 12, an articulated block 13, a threaded cover 14, a sleeve 15, a connecting bearing 16 and an adjusting screw sleeve 17. A group of articulated frames 11 are respectively connected to the front side of the top end of the small arm bracket 6 and the rear side of the lower end of the empty slot big arm bracket 1. The inner side of each group of articulated frames 11 is movably connected to the middle part of the outer side of a group of articulated blocks 13 through a group of articulated shafts 12. The rear side of the front articulated block 13 is connected with a threaded cover 14, and the front side of the rear articulated block 13 is connected with a sleeve 15. The front side of the sleeve 15 is connected to the rear of the connecting bearing 16 and the adjusting screw sleeve 17. The side rotation connection is connected, and the inner wall of the adjusting screw sleeve 17 is screwed and connected to the outer wall of the threaded cover 14; by twisting the adjusting screw sleeve 17 under the constraint of the connecting bearing 16, the adjusting screw sleeve 17 can be screwed and matched with the threaded cover 14, and then the adjusting screw sleeve 17 is longitudinally moved relative to the threaded cover 14, so that the longitudinal length of the threaded cover 14 and the sleeve 15 changes, and the two groups of hinged blocks 13 are movable through the hinge shaft 12 under the constraint of the hinged frame 11, so that the threaded cover 14 and the sleeve 15 are correspondingly offset, and the forearm bracket 6 is flipped and adjusted, and when it is not moving, it is fixed by the adjusting screw sleeve 17 and the threaded cover 14 thread self-locking.

[0020] It also includes a handle 18, and one side of the outer end of the adjusting screw sleeve 17 is connected to the inner side of the handle 18; by holding the handle 18, it is convenient to rotate and twist the adjusting screw sleeve 17, thereby improving convenience.

[0021] It also includes a cushion 19, and the upper side of the movable frame 7 is connected to the bottom end of the cushion 19; the cushion 19 can contact the inner side of the elbow to avoid injury and improve comfort.

[0022] It also includes a connecting frame 20, and the connecting frame 20 is connected to the rear side of the outer end of the empty slot arm bracket 1; the connecting frame 20 can be installed and fixed with an external mechanism to facilitate the positioning of the empty slot arm bracket 1.

[0023] It also includes a handle 21, and the front side of the bottom end of the telescopic frame 4 is connected to the inner end of the handle 21; by holding the handle 21, it is easy to operate the telescopic frame 4, thereby improving convenience.

[0024] The utility model is a patient limb fixing device. When working, the gripping piece 21 slides inside the empty slot arm bracket 1 through the telescopic frame 4, so that the total longitudinal length of the empty slot arm bracket 1 and the telescopic frame 4 adapts to the patient's upper arm, and then the top tightening hand 10 is twisted to rotate the top tightening screw 9, and the top tightening screw 9 is screwed with the top tightening screw sleeve 8 to act inward on the telescopic frame 4 to tighten, and the upper limb arm is disposed on the upper side of the empty slot arm bracket 1, and the strap 2 is adjusted and fixed by the adjustment card 3, and then the gripping piece 18 is twisted to adjust the screw sleeve 17 under the constraint of the connecting bearing 16, so that the adjusting screw sleeve 17 and the adjusting screw sleeve 17 can be adjusted. The threaded cover 14 is threadedly fitted, so that the adjusting screw sleeve 17 is longitudinally moved relative to the threaded cover 14, so that the longitudinal length of the threaded cover 14 and the sleeve 15 changes, and the two sets of hinged blocks 13 are movable under the constraint of the hinged frame 11 via the hinged shaft 12, so that the threaded cover 14 and the sleeve 15 are offset accordingly, and the forearm bracket 6 is flipped and adjusted, so that the forearm bracket 6 is flipped by the movable constraint of the movable frame 7 on the outside of the constraint shaft 5, so as to be supported at a certain angle, and when it is stationary, it is fixed by the self-locking thread of the adjusting screw sleeve 17 and the threaded cover 14, so that the elbow is placed on the surface of the pad 19, and the forearm is fixed by the strap 2 on the forearm bracket 6 through the adjustment card 3.

[0025] The utility model provides a patient limb fixation device, and its installation method, connection method or setting method are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A patient limb fixation device, characterized in that: The utility model comprises a hollow slot big arm support (1), a binding belt (2), an adjustment card (3), a telescopic frame (4), a restraining shaft (5), a small arm support (6), a movable frame (7), a tightening screw sleeve (8), a tightening screw rod (9) and a tightening screw hand (10), wherein the inner side of the hollow slot big arm support (1) is slidably connected to the outer side of the telescopic frame (4) forwardly, the outer side of the front end of the telescopic frame (4) is movably connected to the inner side of the movable frame (7) via the restraining shaft (5), and the front end of the movable frame (7) is connected to the rear end of the small arm support (6). The hollow slot upper arm bracket (1) and the lower arm bracket (6) are connected by a group of straps (2) on the outer sides of the middle parts thereof, and an adjustment card (3) is arranged on the straps (2). The front side of the bottom end of the hollow slot upper arm bracket (1) is connected with the inner end of the tightening screw sleeve (8), the inner wall of the tightening screw sleeve (8) is screwedly connected with the outer wall of the tightening screw rod (9), the bottom end of the tightening screw rod (9) is connected with the middle part of the top end of the tightening screw hand (10), and the lower ends of the lower arm bracket (6) and the hollow slot upper arm bracket (1) are provided with adjustment mechanisms.

2. A patient limb fixation device as claimed in claim 1, characterized in that: The adjusting mechanism comprises an articulated frame (11), an articulated shaft (12), an articulated block (13), a threaded cover (14), a sleeve (15), a connecting bearing (16) and an adjusting screw sleeve (17). A group of articulated frames (11) are respectively connected to the front side of the top end of the small arm bracket (6) and the rear side of the lower end of the hollow slot large arm bracket (1). The inner side of each group of articulated frames (11) is movably connected to the middle part of the outer side of a group of articulated blocks (13) via a group of articulated shafts (12). The rear side of the front articulated block (13) is connected to the threaded cover (14). The front side of the rear articulated block (13) is connected to the sleeve (15). The front side of the sleeve (15) is rotatably connected to the rear side of the adjusting screw sleeve (17) via the connecting bearing (16). The inner wall of the adjusting screw sleeve (17) is threadedly connected to the outer wall of the threaded cover (14).

3. A patient limb fixation device as claimed in claim 2, characterized in that: It also comprises a handle piece 1 (18), and one side of the outer end of the adjusting screw sleeve (17) is connected to the inner side of the handle piece 1 (18).

4. A patient limb fixation device as claimed in claim 3, characterized in that: It also includes a stop pad (19), and the upper side of the movable frame (7) is connected to the bottom end of the stop pad (19).

5. A patient limb fixation device as claimed in claim 4, characterized in that: It also comprises a connecting frame (20), and the rear side of the outer end of the hollow slot big arm support (1) is connected to the connecting frame (20).

6. A patient limb fixation device as claimed in claim 5, characterized in that: It also comprises a second handle piece (21), and the front side of the bottom end of the telescopic frame (4) is connected to the inner end of the second handle piece (21).

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