Guiding device

By designing a novel guide structure, the suture can be directly inserted into the tendon rupture end, solving the problem of high sural nerve involvement rate in existing technologies. This enables suture guidance without transverse incisions, improving surgical safety and efficiency.

CN223845701UActive Publication Date: 2026-01-30SHAOBO MEDICAL TECH (SHANDONG) CO LTD
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Patent Information

Application Number
CN202423157824.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-01-30
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing guide devices require transverse incisions at the Achilles tendon ends for insertion, resulting in a high rate of sural nerve involvement and failing to effectively reduce the risk.

Method used

A guide device is designed, which adopts a handle, curved arm, puncture tip, conduction channel and push plate structure. It can directly puncture the tendon end through the puncture tip without transverse incision. The conduction channel and push plate are used to control the entry and exit of sutures, reducing the impact on the sural nerve.

Benefits of technology

This allows for insertion without a transverse incision during Achilles tendon repair surgery, reducing the rate of sural nerve involvement and improving the safety and efficiency of the procedure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a guider which solves the technical problems that an existing guider needs a transverse incision at the achilles tendon broken end for guiding insertion, and sural nerves are affected. One end of the bent arm is connected with the handle, the other end of the bent arm is provided with a puncture tip, the puncture tip is provided with a guide ring hole, a first conduction channel is formed in the bent arm and communicated with the guide ring hole, a second conduction channel is formed in the handle, a strip-shaped hole is longitudinally formed in the handle, and a push groove is communicated with the second conduction channel. The second conduction channel is communicated with the first conduction channel, the guider is further provided with a push plate, the push plate is arranged in the second conduction channel, one end of the push plate penetrates through the strip-shaped hole and extends out of the handle, the other end of the push plate is connected with one end of a conduction wire, and the other end of the conduction wire sequentially penetrates through the second conduction channel and the first conduction channel to be connected with a threading ring; the initial position of the threading ring is arranged in the first conduction channel; the device can be widely applied to the technical field of medical instruments.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical device, in particular to a guide. BACKGROUND

[0002] Achilles tendon rupture is a common sports injury, especially in middle-aged people. There are mainly two methods to treat Achilles tendon rupture: conservative treatment and surgical treatment. Among them, the conservative treatment usually includes the use of plaster fixation, which has low cost and low risk, and the healing effect is satisfactory in most cases, but it has the risk of re-rupture and decreased motor ability; surgical treatment can better protect the function of the tendon, especially for professional athletes, surgical treatment is the preferred method.

[0003] The guide suture is a minimally invasive surgery, which inserts from the transverse incision of the Achilles tendon end to guide the suture of the Achilles tendon; this method has small incision and low sural nerve influence rate. The utility model discloses a minimally invasive achilles tendon repair threading guide device, including handle, bending arm and threading head, the bending arm bends to the left or right side, the bending arm one end is connected with the handle, the bending arm other end is connected with the threading head, the threading head is annular, the threading head outer wall is smooth without angle, the threading head faces the front, the threading head far from the bending arm one end is equipped with the protrusion, the protrusion is located at the threading head front face. The utility model guides the suture for suture of achilles tendon under the skin, avoids making skin incision, reduces surgical incision, and the smooth threading head without angle further reduces the splitting and damage of the device to the subcutaneous tissue, shortens the recovery time. However, since the existing guide still needs to guide the insertion of the transverse incision of the Achilles tendon end, in order to make the threading head smoothly inserted, the transverse incision is large, therefore, there is still room for improvement in reducing the sural nerve influence rate. SUMMARY

[0004] The utility model aims at solving the above technical insufficiency, provides a kind of guide, without the transverse incision of the Achilles tendon end for guiding insertion, reduce the sural nerve influence rate.

[0005] Therefore, the utility model provides a kind of guide, it is equipped with handle, bending arm, the bending arm bends to the left or right side, the bending arm one end is connected with the handle, the bending arm other end is equipped with puncture sharp part, and puncture sharp part is equipped with guide ring hole;Bending arm is hollow tubular structure, and first transmission channel is opened in it, and first transmission channel is communicated with guide ring hole.

[0006] Second transmission channel is opened in handle, and strip-shaped hole is vertically opened in handle, and strip-shaped hole is communicated with second transmission channel, and second transmission channel is communicated with first transmission channel.

[0007] The push plate is arranged in the second conducting channel, one end of the push plate passes through the strip-shaped hole and extends out of the handle, the other end of the push plate is connected with one end of the conducting wire, the other end of the conducting wire passes through the second conducting channel and the first conducting channel in sequence and is connected with the threading loop, and the initial position of the threading loop is arranged in the first conducting channel.

[0008] When the push plate is pushed upwards along the strip-shaped hole, the threading loop is exposed from the guide hole under the pushing action of the conducting wire; and when the push plate is pushed downwards along the strip-shaped hole, the threading loop is retracted to the initial position under the pulling action of the conducting wire.

[0009] Preferably, the guide device is further provided with a support frame, the support frame is substantially V-shaped, the bottom of the support frame is connected with the other end of the conducting wire, and the two branch ends of the upper part of the support frame are connected with the threading loop respectively.

[0010] Preferably, the handle is longitudinally provided with a strip-shaped push groove, the bottom of the strip-shaped push groove is communicatively provided with a strip-shaped hole, and one end of the push plate passes through the strip-shaped hole and extends out of the handle to be connected with the push button.

[0011] Preferably, the guide hole is elliptical, and the long axis direction of the guide hole is consistent with the direction of the tip of the puncture tip.

[0012] Preferably, the guide hole is arranged on the front surface of the puncture tip.

[0013] Preferably, the handle, the bending arm and the puncture tip are in an integrated structure.

[0014] Preferably, the surface of the handle is provided with anti-skid patterns.

[0015] Preferably, the handle is provided with a direction mark, the direction mark is a triangle, and one of the angles of the triangle points to the direction of the puncture tip.

[0016] Preferably, the bending arm and the puncture tip are made of medical metal materials.

[0017] The guide device has the following beneficial effects: when the guide device is used, the push plate is pushed upwards to expose the threading loop from the guide hole of the puncture tip, and a proper length of the suture is threaded into the guide hole; then the push plate is pushed downwards to retract the threading loop and the suture in the initial position, and the fixing of the suture is completed; when the puncture tip and the suture are inserted into or pulled back from the tendon broken end, the suture is in a stable state during the shuttling process in the tendon broken end. In the achilles tendon repair surgery, the puncture tip of the guide device is directly used to insert into the tendon broken end, and the existing technology is not needed to guide the insertion through the horizontal incision of the tendon broken end, so that the influence rate of the saphenous nerve is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative labor.

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is Figure 1 It is a structural schematic view of the left view of the partial cross-sectional view of the view shown.

[0021] Figure 3 It is Figure 1 It is a structural schematic view of the enlarged view of A part shown.

[0022] Figure 4 It is Figure 2 It is a structural schematic view of the enlarged view of B part shown.

[0023] Figure 5 It is Figure 2 It is a structural schematic view of the enlarged view of C part shown.

[0024] Marked in the figure: 1. handle, 2. bending arm, 3. puncture tip, 4. push plate, 5. conducting wire, 6. threading loop, 7. support frame, 11. second conducting channel, 12. strip-shaped hole, 13. strip-shaped push groove, 14. push button piece, 15. anti-slip pattern, 16. direction mark, 21. first conducting channel, 31. guide loop hole. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application. The methods used in the present application are conventional methods unless otherwise specified; the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0026] Therefore, as shown in Figures 1-5 The utility model provides a guider, it is equipped with handle 1, bending arm 2, bending arm 2 is bent to left or right side, one end of bending arm 2 is connected with handle 1, the other end of bending arm 2 is equipped with puncture tip 3, and puncture tip 3 is provided with guide loop hole 31;Bending arm 2 is hollow tubular structure, and first conducting channel 21 is formed in it, and first conducting channel 21 is communicated with guide loop hole 31.

[0027] The second conducting channel 11 is arranged in the handle 1, and the strip-shaped hole 12 is arranged longitudinally in the handle 1 and communicates with the second conducting channel 11, and the second conducting channel 11 communicates with the first conducting channel 21.

[0028] The guide device further comprises a push plate 4, a conducting wire 5 and a threading ring 6. The push plate 4 is arranged in the second conducting channel 11, and one end of the push plate 4 extends out of the handle 1 through the strip-shaped hole 12, and the other end of the push plate 4 is connected with one end of the conducting wire 5. The other end of the conducting wire 5 is connected with the threading ring 6 in sequence through the second conducting channel 11 and the first conducting channel 21, and the initial position of the threading ring 6 is arranged in the first conducting channel 21.

[0029] When the push plate 4 is pushed upwards along the strip-shaped hole 12, the threading ring 6 is exposed from the guide hole 31 under the pushing action of the conducting wire 5; when the push plate 4 is pushed downwards along the strip-shaped hole 12, the threading ring 6 is retracted to the initial position under the pulling action of the conducting wire 5.

[0030] In use, the push plate 4 is pushed upwards to expose the threading ring 6 from the guide hole 31, and a proper length of suture is threaded into the guide hole 31; then the push plate 4 is pushed downwards to retract the threading ring 6 and the suture to the initial position, and the fixation of the suture is completed. When the puncture tip 3 and the suture are inserted into or pulled back from the tendon end, the suture is in a stable state during the shuttling process in the tendon end. In the achilles tendon repair surgery, the puncture tip 3 of the present application is directly used to puncture the tendon end, and the existing technology does not need to guide the insertion through the horizontal incision of the achilles tendon end, thereby reducing the influence rate of the saphenous nerve.

[0031] In some embodiments, the guide device further comprises a support frame 7, as shown in Figure 3 The support frame 7 is a V-shaped structure, the bottom of the support frame 7 is connected with the other end of the conducting wire 5, and the two branch ends of the upper part of the support frame 7 are connected with the threading ring 6 respectively. The V-shaped support frame 7 supports the threading ring 6, which facilitates threading.

[0032] In some embodiments, the handle 1 further comprises a strip-shaped push groove 13, as shown in Figure 5 The bottom of the strip-shaped push groove 13 is connected with the strip-shaped hole 12, and one end of the push plate 4 extends out of the handle 1 through the strip-shaped hole 12 and is connected with the push button 14.

[0033] In some embodiments, the guide hole 31 is preferably an oval shape, and the long axis direction of the guide hole 31 is consistent with the direction of the tip of the puncture tip 3, as shown in Figure 3 On the one hand, the stimulation to the tendon end is reduced during puncture, and on the other hand, the threading is facilitated after puncture.

[0034] In some embodiments, the guide device further comprises a support frame 7, as shown in Figure 3As shown, the guide hole 31 is preferably arranged on the front surface of the puncture tip 3, which is convenient for observing the threading after puncturing.

[0035] In some embodiments, the handle 1, the bending arm 2 and the puncture tip 3 are preferably made of a medical metal material, such as a medical titanium alloy material, which is durable and long-lasting. Figure 1 As shown, the handle 1, the bending arm 2 and the puncture tip 3 are preferably made of an integral structure, thereby improving the overall strength.

[0036] In some embodiments, the handle 1, the bending arm 2 and the puncture tip 3 are preferably made of a medical metal material, such as a medical titanium alloy material, which is durable and long-lasting. Figure 1 As shown, the surface of the handle 1 is preferably provided with anti-skid patterns 15. When holding by hand, it is not slippery, which is convenient for surgical operation.

[0037] In some embodiments, the handle 1, the bending arm 2 and the puncture tip 3 are preferably made of a medical metal material, such as a medical titanium alloy material, which is durable and long-lasting. Figure 5 As shown, the handle 1 is preferably provided with a direction mark 16, which is preferably a triangle, and one of the angles of the triangle points to the direction of the puncture tip 3, thereby marking the puncture direction.

[0038] In some embodiments, the handle 1, the bending arm 2 and the puncture tip 3 are preferably made of a medical metal material, such as a medical titanium alloy material, which is durable and long-lasting.

[0039] In the description of the present application, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle" and the like indicate the orientation or positional relationship based on the drawings shown, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0040] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A guide provided with a handle (1), a bent arm (2) bent to the left or to the right, one end of which is connected to the handle (1), characterized in that, The other end of the curved arm (2) is provided with a puncture tip (3) which is provided with a guide hole (31); the curved arm (2) is a hollow tubular structure which is provided with a first transmission channel (21) which is in communication with the guide hole (31); The handle (1) is provided with a second transmission channel (11) which is provided with a strip-shaped hole (12) which is in communication with the second transmission channel (11) and the first transmission channel (21). The guide device is further provided with a push plate (4), a transmission wire (5) and a threading ring (6); the push plate (4) is arranged in the second transmission channel (11) and one end of the push plate (4) extends out of the handle (1) through the strip-shaped hole (12); the other end of the push plate (4) is connected with one end of the transmission wire (5); the other end of the transmission wire (5) is connected with the threading ring (6) in sequence through the second transmission channel (11) and the first transmission channel (21); the initial position of the threading ring (6) is arranged in the first transmission channel (21). When the push plate (4) is pushed upwards along the strip-shaped hole (12), the threading ring (6) is exposed from the guide hole (31) under the pushing action of the transmission wire (5); when the push plate (4) is pushed downwards along the strip-shaped hole (12), the threading ring (6) is retracted to the initial position under the pulling action of the transmission wire (5).

2. The guide of claim 1, wherein, The guide device is further provided with a support frame (7) which is generally in V-shaped structure; the bottom of the support frame (7) is connected with the other end of the transmission wire (5); the two branch ends of the upper part of the support frame (7) are connected with the threading ring (6) respectively.

3. A guide according to claim 1 or 2, wherein, The handle (1) is provided with a strip-shaped push groove (13) which is provided with the strip-shaped hole (12) at the bottom; one end of the push plate (4) extends out of the handle (1) and is connected with a push knob (14) through the strip-shaped hole (12).

4. The guide of claim 1, wherein, The guide hole (31) is in elliptical shape and the long axis direction is consistent with the direction of the tip of the puncture tip (3).

5. The guide of claim 1, wherein, The guide hole (31) is arranged on the front surface of the puncture tip (3).

6. The guide of claim 1, wherein, The handle (1), the curved arm (2) and the puncture tip (3) are in one-piece structure.

7. The guide of claim 1 wherein, The surface of the handle (1) is provided with anti-slip patterns (15).

8. The guide of claim 1, wherein, The handle (1) is provided with a direction mark (16) which is in triangular shape; one of the angles of the triangular shape points to the direction of the puncture tip (3).

9. The guide of claim 1, wherein, The material of the curved arm (2) and the puncture tip (3) is medical metal material.

Citation Information

Patent Citations

  • Achilles tendon of wicresoft repair technique threading direction apparatus

    CN206499493U