Adjustable external fixing frame for phalanx fracture

Abstract

The utility model relates to the technical field of medical instruments, and discloses an adjustable external fixing frame for phalanx fracture. The adjustable external fixing frame for phalanx fracture comprises a first fixing frame, a second fixing frame is arranged on one side of the first fixing frame, and a positioning structure is arranged on the first fixing frame. Through the arrangement of the sliding blocks, the adjusting grooves and the first bolts, the sliding blocks with the corresponding number are inserted between the first fixing frame and the second fixing frame according to the number of kirschner wires needing to be used, and the sliding blocks are movably adjusted on the inner sides of the first fixing frame and the second fixing frame and move up and down to adjust the height; when the kirschner wire is used, the two ends of the kirschner wire rotate up and down to adjust the inclination angle, after adjustment, the first bolt is screwed into the adjusting groove in the corresponding position and continues to go deep till the sliding block is clamped, the sliding block is fixed to the inner side of the first fixing frame and the inner side of the second fixing frame, and the adjusted kirschner wire can be stably inserted into the phalanx of a patient to be limited and supported.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a phalanx fracture adjustable external fixation frame. BACKGROUND

[0002] Phalanx fracture usually has the following manifestations: finger swelling and ecchymosis, pain and local tenderness, the most obvious part of tenderness is usually near the fracture, pain and tenderness may not be obvious in patients with pain insensitivity or diabetes, finger movement is limited, pain, swelling, unstable fracture, intra-articular fracture and the like can cause patients to be unable to normally flex the fingers, finger deformity, including shortening, rotation, dorsal angulation or deflection and the like, there are special deformities such as hammer finger deformity appearing when extensor muscle injury is accompanied by avulsion fracture, abnormal activity, bone rubbing sound, click and the like, at this time, we need to be fixed.

[0003] At present, Chinese invention patent CN117918938A discloses a phalanx fracture adjustable external fixation frame, the relative position of the fixed mounting rod is fixed by rotating the limiting block, the positions of the first connecting block, the second connecting block, the third connecting block and the fourth connecting block are determined according to the injured position of the patient's phalanx by the plurality of fixed mounting holes on the fixed mounting rod, the first rotating block, the second rotating block, the third rotating block and the fourth rotating block are fixed, the fixed position of the kirschner wire is determined, then the inner angle adjusting rod is rotated, the position of the kirschner wire on the inner angle adjusting rod is determined, the rotation angle is determined, then the first nut and the second nut on the inner angle adjusting rod are fixed, the kirschner wire is fixed through the patient's phalanx, and different fixed angles are adapted, the stability is ensured on the basis of ensuring flexibility;The first fixing part is bound at the palm position, the second fixing part is fixed at the wrist position by wearing and assembling the external auxiliary fixator, the screw block inside the spring piece is rotated after the position is determined, the screw block and the threaded hole block on the first clamping plate are threadedly fixed, the first clamping plate and the second clamping plate are relatively fixed due to the meshing between the screw block and the threaded hole block, and the second auxiliary fixation can be carried out.

[0004] Although the above-mentioned prior art can adjust the position of the kirschner wire according to different fixed positions, the kirschner wire is still prone to deviation and bending after being fixed only by being bound with the palm, which affects postoperative recovery, and the fixation frame is affected by gravity, which easily causes gravity pressure on the fingers. SUMMARY

[0005] The utility model aims at providing a phalanx fracture adjustable external fixation frame to solve the problems of the kirschner wire being prone to deviation and bending and affecting postoperative recovery and the fixation frame being affected by gravity and easily causing gravity pressure on the fingers.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: A phalanx fracture adjustable external fixation frame, including first fixed frame, one side of first fixed frame is provided with second fixed frame, and is provided with positioning structure on first fixed frame, and the outside of first fixed frame is provided with support structure.

[0007] The positioning structure includes a sliding block, a Kirschner wire is clamped on the inner side of the sliding block, and a circular block is arranged at the rear end of the sliding block, a sliding groove is formed in the inner wall of the second fixed frame, an adjusting groove is formed in the outer wall of the first fixed frame, a magnetic attraction block is arranged at the top end of the first fixed frame, a first bolt is arranged on the inner side of the adjusting groove, and a magnetic attraction sleeve is sleeved on the outer side of the magnetic attraction block.

[0008] The support structure includes a support plate, a second bolt is arranged on the inner side of the support plate, a threaded rod is fixedly connected to the outer wall of the first fixed frame, a clamping plate is clamped on the outer side of the threaded rod, and a nut is sleeved on the outer wall of the threaded rod.

[0009] Preferably, the end of the Kirschner wire is provided with high-viscosity bone mud, the first fixed frame and the second fixed frame are movably connected through a hinge, and the first fixed frame and the second fixed frame are clamped and fixed through the magnetic attraction block and the magnetic attraction sleeve.

[0010] Preferably, the sliding block, the first fixed frame and the second fixed frame are movably connected through the circular block and the sliding groove, and the sliding block, the first fixed frame and the second fixed frame are clamped and fixed through the adjusting groove and the first bolt.

[0011] Preferably, the sliding block and the second fixed frame are rotatably connected through the circular block and the sliding groove.

[0012] Preferably, the support plate and the second fixed frame are fixedly connected through the second bolt and the threaded groove, and the number of the support plate and the clamping plate is two.

[0013] Preferably, the threaded rod is welded to the outer wall of the first fixed frame, and the clamping plate and the first fixed frame are fixedly connected through the threaded rod and the nut.

[0014] Preferably, the inner wall of the support plate and the clamping plate is provided with a rubber pad.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] First, the utility model discloses a sliding block, adjusting groove and first bolt are set up, according to the number of kirschner wire of need using, corresponding number of sliding block is inserted between first fixed frame, second fixed frame, and the inside of first fixed frame, second fixed frame is adjusted to the movement of multiple sliding blocks, the height of up and down movement is adjusted, and the angle of two ends is adjusted to rotate up and down, after adjusting, then the first bolt is rotated into the adjusting groove of corresponding position, and continues to go in, until the sliding block is clamped, make the sliding block be fixed in the inside of first fixed frame, second fixed frame, and the kirschner wire after adjusting can be inserted into the phalanx of patient stably, and the limitation support is carried out.

[0017] Second, the utility model discloses a support plate, clamping plate, second bolt, threaded rod and nut are set up, and first fixed frame, second fixed frame are located at the side of finger, and are flush with it, and two support plates are fixed on the bottom of second fixed frame through second bolt, and the support plate after fixing is attached to palm, then two clamping plates are sleeved on the outer wall of threaded rod, and the clamping plate is pushed down, and is attached to the surface of finger, hand respectively, at this moment, the nut is sleeved on the outside of threaded rod, and the nut is screwed, and the nut is continuously moved down, and the clamping plate is clamped, and then the clamping plate is stressed, and the surface of finger, hand is clamped, and the gravity of first fixed frame, second fixed frame is transferred to palm under the clamping of clamping plate, support plate, can slow down the damage of gravity to the injured finger.

[0018] Second, the utility model discloses a high viscosity bone mud, magnetic attraction sleeve, first fixed frame and second fixed frame are set up, after the stability of multiple kirschner needles and phalanx, the high viscosity bone mud is fixed in the end of multiple kirschner needles after moulding, and the high viscosity bone mud can fix the position between multiple kirschner needles after the connection of kirschner needle and patient phalanx, prevent kirschner needle displacement, then draw out magnetic attraction sleeve, and separate first fixed frame, second fixed frame by pulling, open to the outside through hinge, then first fixed frame, second fixed frame are separated from kirschner needle, sliding block and support structure, so that the finger only bears the weight of kirschner needle, sliding block and high viscosity bone mud, convenient for the recovery of finger. ACCURACY OF DRAWINGS

[0019] Figure 1 It is whole structure schematic diagram of the utility model;

[0020] Figure 2 It is magnetic attraction piece structure schematic diagram of the utility model;

[0021] Figure 3 It is adjusting groove schematic diagram of the utility model;

[0022] Figure 4 It is first fixed frame and second fixed frame expanded schematic diagram of the utility model;

[0023] Figure 5The support structure is a schematic view of the utility model.

[0024] Figure 6 The high-viscosity bone paste is a schematic view of the utility model.

[0025] 1, first fixed frame; 2, second fixed frame; 3, positioning structure; 301, sliding block; 302, kirschner wire; 303, round block; 304, sliding slot; 305, adjusting groove; 306, first bolt; 307, magnetic suction block; 308, magnetic suction sleeve; 4, support structure; 401, support plate; 402, second bolt; 403, clamping plate; 404, threaded rod; 405, nut; 5, high-viscosity bone paste. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-4The utility model provides an adjustable external fixation frame for phalange fracture, including first fixed frame 1, one side of first fixed frame 1 is provided with second fixed frame 2, and the first fixed frame 1 is provided with positioning structure 3, and the outside of first fixed frame 1 is provided with support structure 4, and positioning structure 3 includes sliding block 301, and the inside of sliding block 301 is clamped with kirschner wire 302, and the rear end of sliding block 301 is provided with round block 303, the inner wall of second fixed frame 2 is opened with sliding slot 304, the outer wall of first fixed frame 1 is opened with adjusting groove 305, and the top of first fixed frame 1 is provided with magnetic attraction piece 307, the inside of adjusting groove 305 is provided with first bolt 306, the outside of magnetic attraction piece 307 is sleeved with magnetic attraction sleeve 308, and the end of kirschner wire 302 is provided with high viscosity bone mud 5, first fixed frame 1 is connected with second fixed frame 2 through hinge, and first fixed frame 1 is fixed with second fixed frame 2 through magnetic attraction piece 307, magnetic attraction sleeve 308, sliding block 301 is connected with first fixed frame 1, second fixed frame 2 through round block 303, sliding slot 304, and sliding block 301 is fixed with first fixed frame 1, second fixed frame 2 through adjusting groove 305, first bolt 306, sliding block 301 is connected with second fixed frame 2 through round block 303, sliding slot 304, according to the number of kirschner wire 302 required to be used, the corresponding number of sliding block 301 is inserted between first fixed frame 1, second fixed frame 2, and the round block 303 at the rear end of sliding block 301 is inserted into the sliding slot 304 in the inner wall of second fixed frame 2, and first fixed frame 1, second fixed frame 2 are shrunk and attached together, and are fixed by magnetic attraction piece 307 and magnetic attraction sleeve 308, so that a plurality of sliding blocks 301 are movably adjusted in the inside of first fixed frame 1, second fixed frame 2, are adjusted in height by moving up and down, and are adjusted in inclination angle by rotating up and down at both ends, after adjustment, first bolt 305 is screwed into the adjusting groove 306 in the corresponding position, and continues to penetrate, until the sliding block 301 is clamped, so that the sliding block 301 is fixed in the inside of first fixed frame 1, second fixed frame 2, and the adjusted kirschner wire 302 can be stably inserted into the phalange of the patient to limit support.

[0028] Please refer to Figures 5-6The application discloses a phalanx fracture adjustable external fixing frame, and relates to the medical treatment technical field. The support structure 4 comprises a support plate 401, the inner side of the support plate 401 is provided with a second bolt 402, the outer wall of the first fixing frame 1 is fixedly provided with a threaded rod 404, the outer side of the threaded rod 404 is clamped with a clamping plate 403, the outer wall of the threaded rod 404 is sleeved with a nut 405, the support plate 401 and the second fixing frame 2 are fixedly installed through the second bolt 402 and a threaded groove, the number of the support plate 401 and the clamping plate 403 is two, the threaded rod 404 is welded on the outer wall of the first fixing frame 1, the clamping plate 403 is fixedly connected with the first fixing frame 1 through the threaded rod 404 and the nut 405, the inner wall of the support plate 401 and the clamping plate 403 is provided with a rubber pad, at this time, the first fixing frame 1 and the second fixing frame 2 are located on one side of the finger and are flush with the finger, two support plates 401 are fixedly arranged at the bottom of the second fixing frame 2 through the second bolt 402, the fixed support plate 401 is attached to the palm, then two clamping plates 403 are sleeved on the outer wall of the threaded rod 404, the clamping plates 403 are pushed downwards and are respectively attached to the surface of the finger and the palm, at this time, the nut 405 is sleeved on the outer side of the threaded rod 404 and is screwed, the nut 405 is continuously moved downwards and clamps the clamping plates 403, so that the clamping plates 403 are stressed and clamp the surface of the finger and the palm, the gravity of the first fixing frame 1 and the second fixing frame 2 is transferred to the palm under the clamping and limiting of the clamping plates 403 and the support plates 401, the damage of the gravity to the injured finger can be reduced, after the plurality of kirschner wires 302 are stabilized, the high-viscosity bone paste 5 is molded and fixed at the end of the plurality of kirschner wires 302, the high-viscosity bone paste 5 can fix the positions of the plurality of kirschner wires 302 after the kirschner wires 302 are connected with the patient's phalanges, so that the kirschner wires 302 are prevented from being displaced, then the magnetic suction sleeve 308 is pulled out, the first fixing frame 1 and the second fixing frame 2 are separated, the first fixing frame 1 and the second fixing frame 2 are separated from the kirschner wires 302, the sliding blocks 301 and the support structure 4 by being opened outwards through the hinges, so that the finger only bears the weight of the kirschner wires 302, the sliding blocks 301 and the high-viscosity bone paste 5, and the recovery of the finger is facilitated.

[0029] In use, according to the number of Kirschner wire 302 used, the corresponding number of sliding block 301 is inserted between the first fixed frame 1, the second fixed frame 2, and the circular block 303 at the rear end of the sliding block 301 is inserted into the sliding groove 304 in the inner wall of the second fixed frame 2, and the first fixed frame 1 and the second fixed frame 2 are shrunk and attached together, and are fixed by the magnetic attraction block 307 and the magnetic attraction sleeve 308, so that the plurality of sliding blocks 301 move in the inside of the first fixed frame 1 and the second fixed frame 2, adjust the height by moving up and down, adjust the inclination angle by rotating up and down at both ends, and then the first bolt 305 is screwed into the corresponding position of the adjusting groove 306 and continues to be deep, until the sliding block 301 is clamped, so that the sliding block 301 is fixed in the inside of the first fixed frame 1 and the second fixed frame 2, and the Kirschner wire 302 can be stably inserted into the patient's phalanx for limiting support, at this time the first fixed frame 1 and the second fixed frame 2 are located on one side of the finger and are flush with it, and the two support plates 401 are fixed on the bottom of the second fixed frame 2 by the second bolt 402, and the fixed support plate 401 is attached to the palm, then the two clamping plates 403 are sleeved on the outer wall of the threaded rod 404, and the clamping plate 403 is pushed down, so that it is respectively attached to the surface of the finger and the palm, at this time the nut 405 is sleeved on the outer side of the threaded rod 404, and the nut 405 is screwed, so that the nut 405 continuously moves downward and clamps the clamping plate 403, so that the clamping plate 403 is stressed and clamps the surface of the finger and the palm, so that the gravity of the first fixed frame 1 and the second fixed frame 2 is transferred to the palm, which can reduce the damage of gravity to the injured finger, and after the plurality of Kirschner wires 302 and the phalanx are stably fixed, the high-viscosity bone mud 5 is molded and fixed at the end of the plurality of Kirschner wires 302, the high-viscosity bone mud 5 can fix the position between the plurality of Kirschner wires 302 after the Kirschner wires 302 are connected with the patient's phalanx, prevent the displacement of the Kirschner wire 302, then pull out the magnetic attraction sleeve 308, and pull the first fixed frame 1 and the second fixed frame 2 apart, open outward through the hinge, then separate the first fixed frame 1 and the second fixed frame 2 from the Kirschner wire 302, the sliding block 301 and the support structure 4, so that the finger only bears the weight of the Kirschner wire 302, the sliding block 301 and the high-viscosity bone mud 5, facilitating the recovery of the finger.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable external fixator for phalangeal fractures, comprising a first fixator (1), characterized in that: The first fixed frame (1) is provided with a second fixed frame (2) on one side, and the first fixed frame (1) is provided with a positioning structure (3), and the outer side of the first fixed frame (1) is provided with a supporting structure (4); The positioning structure (3) comprises a sliding block (301), the inner side of the sliding block (301) is clamped with a kirsch needle (302), and the rear end of the sliding block (301) is provided with a circular block (303); the inner wall of the second fixed frame (2) is provided with a sliding groove (304), the outer wall of the first fixed frame (1) is provided with an adjusting groove (305), and the top end of the first fixed frame (1) is provided with a magnetic block (307); the inner side of the adjusting groove (305) is provided with a first bolt (306), and the outer side of the magnetic block (307) is sleeved with a magnetic sleeve (308); The supporting structure (4) comprises a supporting plate (401), the inner side of the supporting plate (401) is provided with a second bolt (402), the outer wall of the first fixed frame (1) is fixedly connected with a threaded rod (404), the outer side of the threaded rod (404) is clamped with a clamping plate (403), and the outer wall of the threaded rod (404) is sleeved with a nut (405).

2. The adjustable external fixator for phalangeal fracture according to claim 1, wherein: The end of the kirsch needle (302) is provided with a high-viscosity bone mud (5), the first fixed frame (1) and the second fixed frame (2) are hingedly connected, and the first fixed frame (1) and the second fixed frame (2) are clamped and fixed through the magnetic block (307) and the magnetic sleeve (308).

3. The adjustable external fixator for phalangeal fracture according to claim 1, wherein: The sliding block (301) is slidably connected with the first fixed frame (1) and the second fixed frame (2) through the circular block (303) and the sliding groove (304), and the sliding block (301) is clamped and fixed with the first fixed frame (1) and the second fixed frame (2) through the adjusting groove (305) and the first bolt (306).

4. The adjustable external fixator for phalangeal fracture according to claim 1, wherein: The sliding block (301) is rotatably connected with the second fixed frame (2) through the circular block (303) and the sliding groove (304).

5. The adjustable external fixator for phalangeal fracture according to claim 1, wherein: The supporting plate (401) and the second fixed frame (2) are fixedly installed through the second bolt (402) and the threaded groove, and the number of the supporting plate (401) and the clamping plate (403) is two.

6. The phalangeal fracture adjustable external fixation frame according to claim 1, characterized in that: The threaded rod (404) is welded on the outer wall of the first fixed frame (1), and the clamping plate (403) is fixedly connected with the first fixed frame (1) through the threaded rod (404) and the nut (405).

7. The phalangeal fracture adjustable external fixation frame according to claim 1, characterized in that: The inner wall of the supporting plate (401) and the clamping plate (403) is provided with a rubber pad.

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