CN211049575U

CN211049575U - Wire feeder for knee joint posterior cruciate ligament surgery

Info

Publication number: CN211049575U
Application number: CN201921787698.0U
Authority: CN
Inventors: 黄凌云; 田晋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-21
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a wire feeder for posterior cruciate ligament surgery of knee joint, relating to the technical field of medical instruments. The utility model discloses an impel handle mechanism, impel handle mechanism's inboard through connection has the body of sending the line, the inside through connection who sends the line body acts as go-between, the one end of acting as go-between is tied up and is fixed with puller mechanism, impel handle mechanism includes the rifle body, the grab handle, first fixed pin, the second fixed pin, impel the lantern ring, the connecting rod, first compression spring and buckle, one side swing joint of rifle body lower part has the grab handle, the rifle body is connected through first fixed pin with the grab handle, the top fixed mounting of grab handle has the second fixed pin, the second fixed pin runs through in impels the lantern ring, the top swing joint who impels the lantern. The utility model discloses a series of institutional transformation make the device can drive the entering of acting as go-between, conveniently wear the bone way, the taut line of being convenient for passes, and the one end of taut line is convenient fixed, has improved greatly and has binded fixed efficiency.

Description

Wire feeder for knee joint posterior cruciate ligament surgery

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, relate to a cruciate ligament operation wire feeder behind knee joint.

Background

Clinically, the knee joint ligament is torn or tears the fracture of taking off is very common disease, current treatment is compressed tightly and fixes the ligament bone piece of tearing the department in the department of fracture through fixed preforming, the ligament is pushed down to the taut line at rethread preforming both ends, when wearing to tie up the line, be through the bone way of beating, penetrate the line from the bone way, then take-up and bind through the operation pincers, current device can not drive the entering of acting as go-between, inconvenient bone way that penetrates, the taut line passes, and the one end of taut line is inconvenient fixed, it is lower to bind fixed efficiency, the utility model discloses a new solution is proposed to above problem.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a cruciate ligament operation wire feeder behind knee joint to solve the technical problem who mentions among the background art.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A wire feeder for knee joint posterior cruciate ligament surgery comprises a pushing handle mechanism, wherein the inner side of the pushing handle mechanism is connected with a wire feeding pipe body in a penetrating manner, a pull wire is connected inside the wire feeding pipe body in a penetrating manner, and one end of the pull wire is tightly bound and fixed with a pull head mechanism;

The propelling handle mechanism comprises a gun body, a grab handle, a first fixing pin, a second fixing pin, a propelling sleeve ring, a connecting rod, a first compression spring and a buckle, wherein the grab handle is movably connected to one side of the lower portion of the gun body;

The pull head mechanism comprises a connecting cap, a fixing pin, pull rods and a second compression spring, the fixing pin is rotatably connected to the inner side of the top of the connecting cap, the two pull rods are rotatably connected to the middle of the inner surface of the connecting cap, and the second compression spring is fixedly mounted on the lower portion of the inner surface of the connecting cap.

Preferably, the lower surface of the wire feeding pipe body is provided with one-way teeth.

In any of the above schemes, preferably, the top of the gun body is provided with a hanging hole.

In any of the above schemes, preferably, the wire feeding pipe body penetrates through the propelling sleeve ring, and the wire feeding pipe body is in transition fit with the propelling sleeve ring.

In any of the above embodiments, it is preferable that the connecting cap has an outer diameter equal to the diameter of the bone canal.

In any of the above schemes, preferably, one end of the pull rod is completely attached to one end of the pull wire, and the pull rod is connected with the pull wire through a screw.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) The utility model discloses a handheld rifle body presses the grab handle for the second fixed pin drives the one end of propelling the lantern ring and moves forward, because the lower surface of sending the line body is provided with one-way tooth, make the propelling lantern ring promote to send the line body to enter the bone way, because one side of propelling the lantern ring is provided with first compression spring, when loosening the grab handle, first compression spring promotes the propelling lantern ring and resumes the position, the press handle circulates once more, make the pull head mechanism run through the bone way, accomplish the threading of acting as go-between, make the device can drive the acting as go-between and get into, conveniently wear the bone way, be convenient for the taut line to pass;

(2) The utility model discloses an external diameter and the bone way diameter size of connecting the cap equal, when connecting the cap and run through with the bone way mouth, the lower part of connecting the cap rotates around the fixed pin under second compression spring's effect, connect the oral area that the cap joint was said to the bone, because one side swing joint of first compression spring has the buckle, make the buckle joint send the surface of line body, pulling propulsion handle mechanism will send the line body to take out, fix the other end of acting as go-between, make the one end of taut line convenient fixed, the efficiency of bundling fixed has been improved greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the propulsion handle mechanism of the present invention;

Fig. 3 is a schematic view of a connection structure of the slider mechanism of the present invention.

The reference numbers in the figures illustrate:

1. A push handle mechanism; 2. a wire feeding pipe body; 3. a slider mechanism; 4. a pull wire; 5. a gun body; 6. a handle; 7. a first fixing pin; 8. a second fixing pin; 9. advancing the collar; 10. a connecting rod; 11. a first compression spring; 12. buckling; 13. a connecting cap; 14. a fixing pin; 15. a pull rod; 16. a second compression spring.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.

The specific embodiment is as follows:

Referring to fig. 1-3, a suture feeder for posterior cruciate ligament of knee joint comprises a push handle mechanism 1, wherein the inner side of the push handle mechanism 1 is connected with a suture feeding tube body 2 in a penetrating manner, the inner part of the suture feeding tube body 2 is connected with a pull wire 4 in a penetrating manner, and one end of the pull wire 4 is fastened and fixed with a pull head mechanism 3;

The propelling handle mechanism 1 comprises a gun body 5, a grab handle 6, a first fixing pin 7, a second fixing pin 8, a propelling sleeve ring 9, a connecting rod 10, a first compression spring 11 and a buckle 12, wherein the grab handle 6 is movably connected to one side of the lower part of the gun body 5, the gun body 5 is connected with the grab handle 6 through the first fixing pin 7, the second fixing pin 8 is fixedly installed at the top of the grab handle 6, the second fixing pin 8 penetrates through the propelling sleeve ring 9, the connecting rod 10 is movably connected to the top of the propelling sleeve ring 9, the first compression spring 11 is fixedly installed on one side of the gun body 5, and the buckle 12 is movably connected to one side of the first compression spring 11;

The slider mechanism 3 comprises a connecting cap 13, a fixing pin 14, pull rods 15 and a second compression spring 16, the fixing pin 14 is rotatably connected to the inner side of the top of the connecting cap 13, the two pull rods 15 are rotatably connected to the middle of the inner surface of the connecting cap 13, and the second compression spring 16 is fixedly mounted on the lower portion of the inner surface of the connecting cap 13.

In this embodiment, in order to enable the advancing handle mechanism 1 to push the wire feeding tube body 2 into the bone canal, the lower surface of the wire feeding tube body 2 is provided with one-way teeth.

In this embodiment, a hanging hole is provided on the top of the gun body 5 for the convenience of placing the device.

In this embodiment, in order to enable the thread feeding tube 2 to move in the pushing direction of the push handle mechanism 1, the thread feeding tube 2 penetrates through the push collar 9, and the thread feeding tube 2 is in transition fit with the push collar 9.

In this embodiment, the outer diameter of the coupling cap 13 is equal to the diameter of the bone tunnel in order to ensure that the slider mechanism 3 is engaged with the mouth of the bone tunnel.

In the embodiment, in order to reduce the included angle between the two pull rods 15 by pulling the pull wire 4, one end of the pull rod 15 completely abuts against one end of the pull wire 4, and the pull rod 15 is connected with the pull wire 4 through a screw.

The working principle is as follows:

When in use, firstly checking the condition of each mechanism of the device, after confirming that no special condition exists, pressing the grab handle 6 by the hand-held gun body 5 to enable the second fixing pin 8 to drive one end of the push lantern ring 9 to move forwards, enabling the push lantern ring 9 to push the wire feeding tube body 2 to enter the bone canal because the lower surface of the wire feeding tube body 2 is provided with one-way teeth, enabling the push lantern ring 9 to push the wire feeding tube body 2 to enter the bone canal because one side of the push lantern ring 9 is provided with the first compression spring 11, when the grab handle 6 is loosened, the first compression spring 11 pushes the push lantern ring 9 to recover the position, pressing the grab handle 6 circularly again to enable the pull head mechanism 3 to penetrate through the bone canal, completing the threading of the pull wire 4, when the connecting cap 13 penetrates through the bone canal opening, the lower part of the connecting cap 13 rotates around the fixing pin 14 under the action of the second compression spring 16, the connecting cap 13 is clamped to the opening part of the, so that the buckle 12 is clamped on the outer surface of the wire feeding pipe body 2, the wire feeding pipe body 2 is drawn out by pulling the push handle mechanism 1, and the other end of the pull wire 4 is fixed.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A wire feeder for knee joint posterior cruciate ligament surgery comprises a pushing handle mechanism (1), and is characterized in that the inner side of the pushing handle mechanism (1) is connected with a wire feeding tube body (2) in a penetrating manner, the inner part of the wire feeding tube body (2) is connected with a pull wire (4) in a penetrating manner, and one end of the pull wire (4) is tied and fixed with a pull head mechanism (3);

The propelling handle mechanism (1) comprises a gun body (5), a grab handle (6), a first fixing pin (7), a second fixing pin (8), a propelling sleeve ring (9), a connecting rod (10), a first compression spring (11) and a buckle (12), wherein the grab handle (6) is movably connected to one side of the lower portion of the gun body (5), the gun body (5) is connected with the grab handle (6) through the first fixing pin (7), the second fixing pin (8) is fixedly installed at the top of the grab handle (6), the second fixing pin (8) penetrates through the propelling sleeve ring (9), the connecting rod (10) is movably connected to the top of the propelling sleeve ring (9), the first compression spring (11) is fixedly installed at one side of the gun body (5), and the buckle (12) is movably connected to one side of the first compression spring (11);

Slider mechanism (3) are including connecting cap (13), fixed pin (14), pull rod (15) and second compression spring (16), the inboard rotation at connecting cap (13) top is connected with fixed pin (14), the middle part of connecting cap (13) internal surface is rotated and is connected with two pull rods (15), the lower part fixed mounting of connecting cap (13) internal surface has second compression spring (16).

2. The surgical wire feeder for posterior cruciate ligaments of knee joint as claimed in claim 1, wherein: the lower surface of the wire feeding pipe body (2) is provided with one-way teeth.

3. The surgical wire feeder for posterior cruciate ligaments of knee joint as claimed in claim 1, wherein: the top of the gun body (5) is provided with a hanging hole.

4. The surgical wire feeder for posterior cruciate ligaments of knee joint as claimed in claim 1, wherein: the wire feeding pipe body (2) penetrates through the propelling sleeve ring (9), and the wire feeding pipe body (2) is in transition fit with the propelling sleeve ring (9).

5. The surgical wire feeder for posterior cruciate ligaments of knee joint as claimed in claim 1, wherein: the outer diameter of the connecting cap (13) is equal to the diameter of the bone canal.

6. The surgical wire feeder for posterior cruciate ligaments of knee joint as claimed in claim 1, wherein: one end of the pull rod (15) is completely attached to one end of the pull wire (4), and the pull rod (15) is connected with the pull wire (4) through a screw.