Folding auxiliary repositor for distal ulna and radius fracture

By designing a foldable distal radius and ulna fracture auxiliary reduction device, a limiting hook and hinge structure are used to achieve stable limiting of the elbow fixation plate. A lifting and adjusting component is set between the connecting plate and the wall, which solves the problems of large space occupation and inconvenient height adjustment of the reduction device, and improves the flexibility and adaptability of operation.

CN223845814UActive Publication Date: 2026-01-30XINGTAI GENERAL HOSPITAL OF NORTH CHINA MEDICAL HEALTH GRP
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Patent Information

Application Number
CN202520503552.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-01-30
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Existing auxiliary reduction devices for distal radius and ulna fractures occupy a large horizontal space and are inconvenient to adjust in height.

Method used

A foldable auxiliary reduction device for distal radius and ulna fractures was designed. It uses a limiting hook and a hinge structure to achieve stable limiting of the elbow fixation plate, and a lifting adjustment component is set between the connecting plate and the wall to adjust the height.

Benefits of technology

This design reduces space usage when not in use and allows for height adjustment of the repositioning device based on the patient's elbow height, increasing adaptability and ease of operation.

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Abstract

The utility model discloses a folding auxiliary repositor for distal ulna and radius fracture, which comprises an elbow fixing plate, a palm fixing plate positioned on one side of the elbow fixing plate, and a traction component arranged on the elbow fixing plate and used for driving the palm fixing plate to move relative to the elbow fixing plate, and is characterized by further comprising a connecting plate fixed on a wall, the elbow fixing plate is hinged to the connecting plate, and the end part of the elbow fixing plate is limited on the bottom surface of the connecting plate when the elbow fixing plate is unfolded; and a limiting hook for limiting the folded elbow fixing plate is arranged on the connecting plate. The foldable repositor has the beneficial effects that 1, the repositor adopts a foldable mode and can be folded to reduce the horizontal occupied space when not in use; 2, the traction assembly is driven by a lead screw and a nut, so that the occupied space after folding can be further reduced; and 3, a limiting hook and a matched limiting structure are designed, so that the limiting hook can stably limit the elbow fixing plate and limit the limiting hook at a preset position without influencing the operation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical auxiliary device technical field, concretely is a folding ulna and radius distal end fracture auxiliary restorer. BACKGROUND

[0002] When the human upper limbs ulna and radius fracture and are treated, need to pull or twist to a certain extent first to make the broken bone reset, in this process, it is often relied on at least two doctors' own strength to drag the forearm and hand of the patient, makes the radius distal end of fracture reset.

[0003] The applicant has previously applied for a kind of ulna and radius distal end fracture auxiliary restorer (grant announcement number CN219662012U), by fixed patient's palm and elbow and through position adjustment component and gear rack drive structure with deceleration structure realizes traction reset, and the whole reset process adjustment speed is fast and can keep the stability of patient's arm.

[0004] At least the following technical problems exist in the prior art: the above-mentioned restorer occupies large horizontal space, and the height is inconvenient to adjust. SUMMARY

[0005] The problem to be solved by the utility model is to provide a folding ulna and radius distal end fracture auxiliary restorer, which adopts a foldable mode and can greatly reduce the occupied space after folding.

[0006] To solve the above technical problems, the technical scheme adopted by the present application is: a folding ulna and radius distal end fracture auxiliary restorer, comprising an elbow fixing plate, a palm fixing plate located on one side of the elbow fixing plate, and a traction assembly provided on the elbow fixing plate and driving the palm fixing plate to move relative to the elbow fixing plate, the key lies in: further comprising a connecting plate fixed on the wall, the elbow fixing plate is hinged on the connecting plate and the end of the elbow fixing plate is limited on the bottom surface of the connecting plate when not folded.

[0007] A limiting hook is provided on the connecting plate to limit the folded elbow fixing plate.

[0008] Further, a hinged plate is provided on the bottom of the connecting plate, and a hinged seat is provided on the elbow fixing plate and hinged to the hinged plate by means of a hinged shaft.

[0009] Further, the limiting hook is hinged on the hinged plate, and a long slot is provided on the elbow fixing plate for the limiting hook to pass through.

[0010] Further, a connecting block is provided on the connecting plate, and a limiting pin is provided on the connecting block and forms a limiting fit with the limiting hole of the end of the limiting hook.

[0011] Further, a limiting protrusion for limiting the rotation angle of the elbow fixing plate is arranged on the limiting hook.

[0012] Further, a first strip-shaped hole for the elbow fixing belt to pass through is arranged on the elbow fixing plate, and a second strip-shaped hole for the palm fixing belt to pass through is arranged on the palm fixing plate.

[0013] Further, the traction assembly comprises a driving plate arranged below the elbow fixing plate, a lead screw arranged on the elbow fixing plate, and a lead screw nut fixed on the driving plate and threadedly connected with the lead screw, and the palm fixing plate is connected with the driving plate.

[0014] Further, a guide assembly is arranged between the driving plate and the elbow fixing plate, and the guide assembly comprises a guide rail fixed on the elbow fixing plate and a sliding block fixed on the driving plate and matched with the guide rail.

[0015] Further, a driving wheel is arranged at one end of the lead screw, and an avoiding groove matched with the driving wheel is arranged on the elbow fixing plate.

[0016] Further, a lifting adjusting assembly for driving the connecting plate to move up and down along the height direction is arranged between the connecting plate and the wall body, and the lifting adjusting assembly comprises a back plate fixed on the wall body, a lifting adjusting lead screw arranged on the back plate, a lifting adjusting lead screw nut threadedly connected with the lifting adjusting lead screw and connected with the connecting plate, and a guide assembly arranged between the back plate and the connecting plate.

[0017] The beneficial effects of the utility model are as follows: 1. the resetter adopts a foldable mode, and can be folded to reduce the horizontal occupied space when not in use; 2. the traction assembly adopts a lead screw and lead screw nut transmission, and can further reduce the occupied space after folding; 3. the limiting hook and the matched limiting structure are designed, the limiting hook can stably limit the elbow fixing plate, and the limiting hook can be limited in the preset position without affecting the operation; 4. the lifting adjusting assembly is arranged between the connecting plate and the wall body, the height of the resetter can be adjusted, and the adaptability is increased.

[0018] The utility model will be described in detail in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the structure schematic diagram of the utility model folding type ulna distal end fracture auxiliary resetter embodiment one when in use;

[0020] Figure 2 is another structure schematic diagram of the utility model folding type ulna distal end fracture auxiliary resetter embodiment one when in use;

[0021] Figure 3It is the folding ulna distal end fracture auxiliary restorer embodiment one in the structure schematic diagram after folding of the utility model discloses a folding ulna distal end fracture auxiliary restorer, including elbow fixed plate 1, palm fixed plate 2 in the one side of elbow fixed plate 1, the traction assembly of setting in elbow fixed plate 1 and drive palm fixed plate 2 relative to elbow fixed plate 1 movement and the connecting plate 3 of fixed on wall body.

[0022] Figure 4 It is the structure schematic diagram of the limiting hook in the utility model discloses a folding ulna distal end fracture auxiliary restorer.

[0023] Figure 5 It is the structure schematic diagram after folding of the utility model discloses a folding ulna distal end fracture auxiliary restorer embodiment two.

[0024] In the drawing, 1, elbow fixed plate, 1-1, long slot, 1-2, first bar hole, 1-3, avoiding slot, 2, palm fixed plate, 2-1, second bar hole, 3, connecting plate, 4, limiting hook, 4-1, limiting hole, 4-2, limiting boss, 5, hinged plate, 6, hinged seat, 7, connecting block, 8, limiting pin, 9, drive plate, 10, lead screw, 11, nut, 12, guide rail, 13, sliding block, 14, drive wheel, 15, back plate, 16, lifting adjustment lead screw, 17, lifting guide assembly, 18, rotating rod. DETAILED DESCRIPTION

[0025] Embodiment one: refer to the attached Figures 1-4 The utility model discloses a folding ulna distal end fracture auxiliary restorer, including elbow fixed plate 1, palm fixed plate 2 in the one side of elbow fixed plate 1, the traction assembly of setting in elbow fixed plate 1 and drive palm fixed plate 2 relative to elbow fixed plate 1 movement and the connecting plate 3 of fixed on wall body. Elbow fixed plate 1 is hinged on connecting plate 3 and is located in the bottom surface of connecting plate 3 when not folding the end of elbow fixed plate 1, is equipped with the limiting hook 4 of the location of folding elbow fixed plate 1 on connecting plate 3. Through the relative rotation of elbow fixed plate 1 with connecting plate 3 and location, the purpose of reducing horizontal occupied space is realized.

[0026] Refer to the attached Figure 1 And 3 In order to realize the hinge between elbow fixed plate 1 and connecting plate 3, the vertically arranged hinged plate 5 is arranged on the bottom of connecting plate 3, and the hinged seat 6 is arranged on the elbow fixed plate 1 by means of the hinge shaft and the hinged plate 5.

[0027] Refer to the attached Figure 1 And 4The bottom of the limiting hook 4 is hinged on the hinge plate 5, and a long slot 1-1 is arranged on the elbow fixing plate 1 for the limiting hook 4 to pass through. When folding, the limiting part of the limiting hook 4 passes through the long slot 1-1 and is located on the bottom side of the long slot 1-1 under the action of gravity, thereby limiting the elbow fixing plate 1. In order to limit the folding position of the elbow fixing plate 1, a limiting boss 4-2 for limiting the rotation angle of the elbow fixing plate 1 is arranged on the limiting hook 4. The stable limiting of the elbow fixing plate 1 after folding is realized by the limiting boss 4-2 and the limiting part of the limiting hook 4.

[0028] Referring to the accompanying drawings Figure 1 , 3 and 4, a connecting block 7 is arranged on the connecting plate 3, and a limiting pin 8 is arranged on the connecting block 7 to form a limiting fit with the limiting hole 4-1 at the end of the limiting hook 4. By designing the limiting pin 8, the limiting hook 4 can be limited when the elbow fixing plate 1 is in the working position, preventing the limiting hook 4 from affecting other operations.

[0029] Referring to the accompanying drawings Figure 1 , a first strip-shaped hole 1-2 is arranged on the elbow fixing plate 1 for the elbow fixing belt to pass through. A second strip-shaped hole 2-1 is arranged on the palm fixing plate 2 for the palm fixing belt to pass through.

[0030] Referring to the accompanying drawings Figure 2 and 3 , the traction assembly includes a driving plate 9 located below the elbow fixing plate 1, a lead screw 10 rotationally limited on the elbow fixing plate 1 through a bearing seat, a nut 11 fixed on the driving plate 9 and threadedly connected with the lead screw 10, and the palm fixing plate 2 is connected with the driving plate 9. A guide assembly is arranged between the driving plate 9 and the elbow fixing plate 1, and the guide assembly includes a guide rail 12 fixed on the elbow fixing plate 1 and a sliding block 13 fixed on the driving plate 9 and matched with the guide rail 12. The guide assembly is arranged side by side on the elbow fixing plate 1 to ensure the stability of the palm fixing plate 2 during movement. The lead screw 10 is located outside the guide assembly. A driving wheel 14 is arranged at one end of the lead screw 10, and an avoiding slot 1-3 matched with the driving wheel 14 is arranged on the elbow fixing plate 1 to set the driving wheel 14, thereby facilitating the rotation of the driving wheel 14. Rotating the driving wheel 14 and moving the driving plate 9 through the lead screw and nut transmission structure to realize the traction operation of the palm fixing plate 2 away from the elbow fixing plate 1. The use of the lead screw and nut transmission assembly can realize accurate movement of the palm fixing plate and self-locking, and can also make the structure between the driving plate 9 and the elbow fixing plate 1 compact, further reducing the occupied space after folding.

[0031] The resetter is used as follows: 1, lift the limiting hook 4 upward, rotate the elbow fixing plate 1 outward, so that the elbow fixing plate 1 is unfolded to the use position, and then the limiting pin 8 is used for limiting the limiting hole 4-1 in the limiting hook 4. 2, after local anesthesia of the affected limb of the patient, the patient sits on the height-adjustable chair, and the height of the chair is adjusted according to the elbow fixing plate 1. 3, the affected limb is placed on the elbow fixing plate 1 and the palm fixing plate 2, the fixing belt on the palm fixing plate 2 is wound in an "8" shape to fix the palm on the palm fixing plate 2, the fixing belt on the elbow fixing plate 1 is wound in an "8" shape to fix the proximal forearm on the elbow fixing plate 1, and the elbow joint is flexed at least 90 degrees and maintained. 4, rotate the driving wheel 14 and drive the palm fixing plate 2 away from the elbow fixing plate 1 through the screw nut transmission assembly to achieve the traction purpose, the operator can perform manual reduction, and after the reduction is completed, the palm fixing belt and the elbow fixing belt are loosened in turn, and the resetter is separated from the patient after the plaster is fixed. 5, when folding, first rotate the driving wheel 14 to reset the palm fixing plate 2, remove the limiting of the limiting pin 8 to the limiting hook 4, then lift the elbow fixing plate 1 upward, in this process, the limiting hook 4 passes through the long groove 1-1 and limits the elbow fixing plate 1, and the folding operation is completed.

[0032] Example two: refer to the attached Figure 5 Different from example one, a lifting adjusting assembly for driving the connecting plate 3 to move up and down along the height direction is arranged between the connecting plate 3 and the wall body, so that the height adjusting purpose is achieved. The lifting adjusting assembly comprises a back plate 15 fixed on the wall body, a lifting adjusting screw rod 16 arranged on the back plate 15, a lifting adjusting screw nut in threaded connection with the lifting adjusting screw rod 16 and connected with the connecting plate 3, and a lifting guide assembly 17 arranged between the back plate 15 and the connecting plate 3. A bearing seat for mounting and limiting the lifting adjusting screw rod 16 is arranged on the back plate 15. The lifting guide assembly 17 is arranged in parallel on the back plate 15 and comprises two groups of guide rails and sliding blocks. The lifting adjusting screw rod 16 is located between the two groups of lifting guide assemblies 17. By rotating the lifting adjusting screw rod 16, the lifting of the connecting plate 3 can be driven, so as to adapt to patients with different elbow heights.

[0033] Since the lifting adjusting screw rod 16 is close to the wall body, a rotating rod 18 is arranged at the top of the lifting adjusting screw rod 16. The rotating rod 18 passes through the through hole at the top of the lifting adjusting screw rod 16 and is provided with limiting nuts at both ends to realize the movement of the rotating rod 18 in the through hole back and forth so as to apply force to the end of the rotating rod 18 to drive the rotation of the screw rod.

[0034] It should be noted that the above examples are used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application claimed.

Claims

1. A folding type auxiliary restorer for distal radius fracture, comprising an elbow fixing plate (1), a palm fixing plate (2) located on one side of the elbow fixing plate (1), and a traction assembly arranged on the elbow fixing plate (1) and driving the palm fixing plate (2) to move relative to the elbow fixing plate (1), characterized in that: Also included is a connecting plate (3) fixed on the wall, the elbow fixing plate (1) is hinged on the connecting plate (3) and the end of the elbow fixing plate (1) is limited on the bottom surface of the connecting plate (3) when unfolded; ​ A limiting hook (4) is arranged on the connecting plate (3) to limit the elbow fixing plate (1) when folded.

2. The folding distal radius fracture assist reducer of claim 1, wherein: A hinge plate (5) is arranged on the bottom of the connecting plate (3), and a hinge seat (6) is arranged on the elbow fixing plate (1) and hinged with the hinge plate (5) through a hinge shaft.

3. The folding distal radius fracture assist reducer of claim 2, wherein: The limiting hook (4) is hinged on the hinge plate (5), and a long slot (1-1) is arranged on the elbow fixing plate (1) for the limiting hook (4) to pass through.

4. The folding distal radius fracture assist reducer of claim 2, wherein: A connecting block (7) is arranged on the connecting plate (3), and a limiting pin (8) is arranged on the connecting block (7) and forms a limiting fit with a limiting hole (4-1) at the end of the limiting hook (4).

5. The folding distal radius fracture assist reducer of claim 1, wherein: A limiting boss (4-2) is arranged on the limiting hook (4) to limit the rotation angle of the elbow fixing plate (1).

6. The folding distal radius fracture assist reducer of claim 1, wherein: A first strip-shaped hole (1-2) is arranged on the elbow fixing plate (1) for the elbow fixing belt to pass through, and a second strip-shaped hole (2-1) is arranged on the palm fixing plate (2) for the palm fixing belt to pass through.

7. The folding distal radius fracture assist reducer of claim 1, wherein: The traction assembly includes a driving plate (9) below the elbow fixing plate (1), a lead screw (10) arranged on the elbow fixing plate (1), a nut (11) fixed on the driving plate (9) and threadedly connected with the lead screw (10), and the palm fixing plate (2) is connected with the driving plate (9).

8. The folding distal radius fracture assist reducer of claim 7, wherein: A guide assembly is arranged between the driving plate (9) and the elbow fixing plate (1), and the guide assembly includes a guide rail (12) fixed on the elbow fixing plate (1) and a sliding block (13) fixed on the driving plate (9) and matched with the guide rail (12).

9. The folding distal radius fracture assist reducer of claim 7, wherein: A driving wheel (14) is arranged at one end of the lead screw (10), and an avoidance slot (1-3) is arranged on the elbow fixing plate (1) and matched with the driving wheel (14).

10. The folding distal radius fracture assist reducer of any one of claims 1-9, wherein: A lifting adjusting assembly is arranged between the connecting plate (3) and the wall to drive the connecting plate (3) to move up and down along the height direction, and the lifting adjusting assembly includes a back plate (15) fixed on the wall, a lifting adjusting lead screw (16) arranged on the back plate (15), a lifting adjusting nut threadedly connected with the lifting adjusting lead screw (16) and connected with the connecting plate (3), and a lifting guide assembly (17) arranged between the back plate (15) and the connecting plate (3).

Citation Information

Patent Citations

  • Auxiliary repositor for distal ulna and radius fracture

    CN219662012U