CN219148056U

CN219148056U - Loop turning device

Info

Publication number: CN219148056U
Application number: CN202222354123.8U
Authority: CN
Inventors: 刘小勇; 唐毓金; 刘佳
Original assignee: Hefei Wuyang Medical Devices Co ltd
Current assignee: Hefei Wuyang Medical Devices Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-06-09
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a loop turning device, which comprises the following components: a handle; the sleeve is used for being inserted into the operation part and is arranged at the front end of the handle; the positioning groove is formed in the front end of the pipe orifice of the sleeve and is matched with the shape of the titanium plate with the belt loop, and the titanium plate with the belt loop is positioned in the projection range of the sleeve along the axial direction when being clamped into the positioning groove; the sliding rod is arranged in the lumen of the sleeve in a sliding manner; the traction rope is used for traction of the belt loop titanium plate so as to prevent the belt loop titanium plate from being separated from the positioning groove; and the driving part is used for driving the sliding rod to axially move along the sleeve, and the intersection exists between the movement track of the sliding rod and the positioning groove so that the sliding rod can push the belt loop titanium plate out of the positioning groove. The utility model can cause the titanium plate with the belt loop to turn over, and the success rate of turning over the belt loop is extremely high.

Description

Loop turning device

Technical Field

The utility model relates to the field of medical instruments, in particular to a loop turning device.

Background

The belt loop titanium plate is taken as an orthopedic implantable medical device, is one of important means for tendon ligament fixation reconstruction, and plays a role in reconstruction by firmly fixing and dragging a damaged part in a hanging manner by taking the strength of cortical bone as a support. The titanium plate with the tab, which realizes the tab turning by depending on the implantation apparatus, mainly comprises three parts of a titanium plate, a tab loop wire and the implantation apparatus. Because the connection problem of the traction wires is not needed to be considered, the titanium plate surface of the product only needs two through holes for the loop wires to pass through. During operation, a surgeon firstly sends the titanium plate with the loop to a designated position through an implantation instrument, and then operates a release mechanism of a handle of the implantation instrument to finish the release and loop turning actions of the titanium plate, so that the purpose of operation is achieved.

In view of the complex distribution of soft tissues at the bone ends, the titanium plate has the condition that the soft tissues interfere with the overturning of the titanium plate in the surgical implantation process, so that the failure rate of the turning of the titanium plate is high, and therefore, the problem needs to be solved.

Disclosure of Invention

In order to avoid and overcome the technical problems in the prior art, the utility model provides a loop turning device. The utility model greatly improves the success rate of turning the belt loop titanium plate.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a loop turning device, which comprises the following components:

a handle;

the sleeve is used for being inserted into the operation part and is arranged at the front end of the handle;

the positioning groove is formed in the front end of the pipe orifice of the sleeve and is matched with the shape of the titanium plate with the belt loop, and the titanium plate with the belt loop is positioned in the projection range of the sleeve along the axial direction when being clamped into the positioning groove;

the sliding rod is arranged in the lumen of the sleeve in a sliding manner;

the traction rope is used for traction of the belt loop titanium plate so as to prevent the belt loop titanium plate from being separated from the positioning groove;

and the driving part is used for driving the sliding rod to axially move along the sleeve, and the intersection exists between the movement track of the sliding rod and the positioning groove so that the sliding rod can push the belt loop titanium plate out of the positioning groove.

As a further scheme of the utility model: the surface of the handle is provided with a wire passing hole, and the sleeve is provided with a through hole so that the wire passing hole can be communicated with the lumen of the sleeve; the sliding rod is provided with a wire passing groove along the length direction, and the traction rope sequentially passes through the wire passing groove, the through hole and the wire passing hole from the titanium plate with the loop and then extends out of the operation part for handheld traction.

As still further aspects of the utility model: the via hole is positioned between the driving part and the positioning groove.

As still further aspects of the utility model: the surface of the handle is provided with a sliding groove along the length direction, and one section of the rod body of the sliding rod is positioned in the sliding groove.

As still further aspects of the utility model: the push button is fixedly sleeved outside the rod body of the sliding rod, and can be in sliding fit with the sliding groove along the length direction of the sliding groove, and the push button is the driving part.

As still further aspects of the utility model: the sliding rod is sleeved with a reset spring positioned in the sliding groove, the reset spring is positioned between the push button and the sleeve, one end of the reset spring is abutted with the groove wall of the sliding groove, and the other end of the reset spring is abutted with the push button, so that elastic force along the axial direction of the sliding rod can be applied to the push button.

As still further aspects of the utility model: a spring groove for accommodating a return spring is formed in one side of the push button adjacent to the sleeve in the axial direction of the sliding rod, the length of the spring groove is smaller than that of the return spring, and the return spring is in butt joint with the groove bottom of the spring groove.

As still further aspects of the utility model: at least a part of the push button is positioned outside the range of the groove body of the sliding groove.

As still further aspects of the utility model: and the push button is radially provided with a positioning bolt for fixing the slide rod.

As still further aspects of the utility model: the positioning groove is a U-shaped groove axially formed along the sleeve, and the opening direction of the positioning groove is the same as the direction of the pipe orifice of the sleeve.

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

1. according to the utility model, the positioning groove is formed at the pipe orifice of the sleeve, the belt loop titanium plate can be clamped into the positioning groove in advance and is prevented from being separated from the positioning groove by traction of the traction rope, after the sleeve carries the belt loop titanium plate to be inserted into an operation position, the sliding rod pushes the belt loop titanium plate out of the positioning groove and seals the path of the positioning groove, so that the belt loop titanium plate is prevented from retreating into the positioning groove, at the moment, the traction rope is operated to pull the belt loop titanium plate back, so that the belt loop titanium plate can generate overturning action, the plate body is vertical to the pipe orifice of the sleeve, ninety degrees of overturning action is formed, the belt loop overturning process is completed, and the belt loop overturning success rate is extremely high.

2. According to the utility model, through the matching of the wire passing hole, the through hole and the wire passing groove, a channel is formed for the traction rope to pass through from the inside of the loop turning device and be led out of the operation position, so that the traction rope can be directly pulled by hands of doctors, the wire passing hole is convenient and quick, and the wire passing hole cannot be interfered with the push button in position.

3. According to the utility model, the sliding groove is formed in the handle, so that the sliding rod can be pushed to move along the axial direction more conveniently after the push button is installed, and the reset spring is arranged to facilitate the push button to reset when the push button is pushed; the split type design of push button, slide bar and reset spring is convenient to dismantle the equipment.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model when a belt loop titanium plate is fixed.

Fig. 2 is a schematic structural view of the utility model after the belt loop titanium plate is turned over.

FIG. 3 is a schematic structural view of a titanium plate with a loop according to the present utility model.

In the figure:

1. a handle; 11. a wire through hole; 12. a sliding groove;

2. a sleeve; 21. a positioning groove; 22. wire passing grooves; 23. a through hole;

3. a slide bar; 31. a return spring;

4. a belt loop titanium plate; 5. a traction rope;

6. a push button; 61. positioning bolts; 62. a spring groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in an embodiment of the present utility model, a loop device includes a handle 1 with a rough surface and capable of being held by hand, a sleeve 2 inserted into the handle 1 is axially fixed at the front end of the handle 1, and the sleeve 2 is preferably fixed by a bolt.

The front end of the cannula 2 is provided with a positioning groove 21 along the axial direction, the positioning groove 21 is preferably a U-shaped groove, and the opening direction of the positioning groove faces the operation intervention direction of the cannula 2.

The traction rope 5 is wound on the belt loop titanium plate 4 in a preset winding mode, the belt loop titanium plate 4 is matched with the positioning groove 21 in shape, the belt loop titanium plate 4 is clamped into the positioning groove 21 in advance before an operation, the plate surface of the belt loop titanium plate 4 is parallel to the axis of the tube body of the sleeve 2 during clamping, the belt loop titanium plate 4 is positioned in the projection range of the sleeve 2 along the axial direction, and the belt loop titanium plate 4 can be conveyed to an operation position along with the sleeve 2 after being clamped into the positioning groove 21.

A sliding rod 3 which is in sliding fit with the lumen of the sleeve 2 is axially arranged in the tube body of the sleeve 2, the diameter of the rod body of the sliding rod 3 is matched with the inner diameter of the sleeve 2, and the sliding rod 3 can be completely inserted into the sleeve 2 to avoid the position of the belt loop titanium plate 4 or slide along the axial direction of the sleeve 2 to push the belt loop titanium plate 4 out of the positioning groove 21.

The rod body of the sliding rod 3 is provided with a wire passing groove 22 along the length direction, the handle 1 is provided with a wire passing hole 11 along the radial direction, and the sleeve 2 is provided with a through hole 23, so that the wire passing groove 22 and the wire passing hole 11 can be always kept in a communicating state.

After being wound on the belt loop titanium plate 4 in a preset mode, the traction rope 5 sequentially passes through the wire passing groove 22, the through hole 23 and the wire passing hole 11 after entering the sleeve 2, and then extends out of the handle 1 so as to be held and pulled by a doctor.

In order to control the sliding of the sliding rod 3 conveniently, a sliding groove 12 is formed in the surface of the handle 1 along the length direction, and at least a part of the sliding rod 3 is positioned in the sliding groove 12. The push button 6 is slidably fitted in the sliding groove 12, and the push button 6 is fixedly connected with the sliding rod 3, so that the sliding rod 3 is usually fixed to the sliding rod 3 through the positioning bolt 61 after the sliding rod 3 is inserted into the push button 6.

The push button 6 has a protruding section outside the sliding groove 12, so that a finger can push the push button 6 when holding the handle, thereby driving the slide rod 3 to move axially and pushing the belt loop titanium plate 4 out of the positioning groove 21.

In order to facilitate the reset of the push button 6, a reset spring 31 is preferably sleeved on the slide rod 3, a spring groove 62 is formed in one side of the push button 6 adjacent to the sleeve 2 along the axial direction of the slide rod 3, one end of the reset spring 31 is abutted with the groove wall of the slide groove 12, and the other end of the reset spring 31 can be abutted with the groove bottom surface of the spring groove 62 after the reset spring 31 is compressed.

The length of the spring groove 62 is smaller than the length of the return spring 31, so that the return spring 31 can be contracted into the spring groove 62 when the push button 6 is pushed forward, and an elastic force is applied to the push button 6 in the axial direction of the sleeve 2, so that the push button 6 has a movement tendency in a direction away from the positioning groove 21.

The position of the wire through hole 11 is preferably located between the sliding groove 12 and the positioning groove 21.

After the titanium plate 4 with the belt loop is pushed out of the positioning groove 21 by the sliding rod 3, the path of the positioning groove 21 is blocked, so that the titanium plate 4 with the belt loop is prevented from retreating into the positioning groove 21, the titanium plate 4 with the belt loop is pulled back by operating the traction rope 5, and the titanium plate 4 with the belt loop can be turned over, so that the plate body is perpendicular to the pipe orifice of the sleeve 2, and ninety degrees of turning over action is formed.

The basic principles of the present application have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not limiting, and these advantages, benefits, effects, etc. are not to be considered as necessarily possessed by the various embodiments of the present application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not intended to be limited to the details disclosed herein as such.

The block diagrams of the devices, apparatuses, devices, systems referred to in this application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.

It is also noted that in the apparatus, devices and methods of the present application, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent to the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of the application to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.

Claims

1. A loop turning device, which is characterized by comprising the following components:

a handle (1);

the sleeve (2) is used for being inserted into the operation part and is arranged at the front end of the handle (1);

the positioning groove (21) is formed in the front end of the pipe orifice of the sleeve (2) and is matched with the shape of the belt loop titanium plate (4), and the belt loop titanium plate (4) is positioned in the projection range of the sleeve (2) along the axial direction when being clamped into the positioning groove (21);

the sliding rod (3) is arranged in the lumen of the sleeve (2) in a sliding manner;

a traction rope (5) for pulling the belt-loop titanium plate (4) to prevent the belt-loop titanium plate (4) from being separated from the positioning groove (21);

the driving part is used for driving the sliding rod (3) to axially move along the sleeve (2), and the intersection exists between the movement track of the sliding rod (3) and the positioning groove (21) so that the sliding rod (3) can push the belt loop titanium plate (4) out of the positioning groove (21).

2. The loop turning device according to claim 1, characterized in that the surface of the handle (1) is provided with a wire passing hole (11), and the sleeve (2) is provided with a through hole (23) so that the wire passing hole (11) can be communicated with the lumen of the sleeve (2); the sliding rod (3) is provided with a wire passing groove (22) along the length direction, and the traction rope (5) sequentially passes through the wire passing groove (22), the through hole (23) and the wire passing hole (11) from the belt loop titanium plate (4) and then extends out of the operation part for handheld traction.

3. A loop device according to claim 2, characterized in that the wire via (11) is located between the drive part and the positioning slot (21).

4. A loop device according to any one of claims 1-3, characterized in that the surface of the handle (1) is provided with a sliding groove (12) along its length, one of the shafts of the slide bar (3) being located in the sliding groove (12).

5. The loop turning device according to claim 4, wherein a push button (6) is fixedly sleeved outside the shaft body of the sliding rod (3), the push button (6) can be in sliding fit with the sliding groove (12) along the length direction of the sliding groove (12), and the push button (6) is a driving part.

6. The loop turning device according to claim 5, wherein the sliding rod (3) is sleeved with a return spring (31) located in the sliding groove (12), the return spring (31) is located between the push button (6) and the sleeve (2), one end of the return spring is abutted against the groove wall of the sliding groove (12), and the other end of the return spring is abutted against the push button (6) so as to apply an elastic force to the push button (6) along the axial direction of the sliding rod (3).

7. The loop turning device according to claim 6, wherein a spring groove (62) for accommodating the return spring (31) is formed in one side of the push button (6) adjacent to the sleeve (2) along the axial direction of the sliding rod (3), the length of the spring groove (62) is smaller than that of the return spring (31), and the return spring (31) is abutted to the groove bottom of the spring groove (62).

8. The loop of claim 5 wherein at least a portion of the push button (6) is located outside the channel body of the sliding channel (12).

9. The loop device according to claim 5, characterized in that the push button (6) is provided with a positioning bolt (61) for fixing the slide bar (3) in the radial direction.

10. A tab device according to any one of claims 1 to 3, wherein the positioning groove (21) is a U-shaped groove formed along the axial direction of the sleeve (2), and the opening direction of the positioning groove (21) is the same as the direction of the nozzle of the sleeve (2).