CN213249561U

CN213249561U - Guiding sleeve for traction wire of tibial tunnel for reconstruction of posterior cruciate ligament under arthroscope

Info

Publication number: CN213249561U
Application number: CN202021562182.9U
Authority: CN
Inventors: 陈广超; 何川; 王福科; 李彦林; 宋恩; 王国梁
Original assignee: First Affiliated Hospital of Kunming Medical University
Current assignee: First Affiliated Hospital of Kunming Medical University
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-25
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to the technical field of medical equipment, in particular to a traction line guide sleeve for reconstructing a tibial tunnel of a posterior cruciate ligament under an arthroscope, which comprises a rod body, wherein a pipe body is arranged at the bottom of the right side of the rod body, the left side of the pipe body penetrates through the rod body and extends to the outside of the rod body, the right side of the pipe body is communicated with a bent pipe, a bracket is fixedly arranged at the right side of the top of the pipe body, and a guide pipe is hinged to the top of the bracket; the utility model discloses a body of rod, body, return bend, support, stand, guide tube, regulation pole, magnetic ball and guide arm's setting has reached the purpose that conveniently adjusts the pull wire angle of returning, has solved current shin bone tunnel pull wire guide sleeve when using, and the inconvenient angle of returning after passing the tunnel to the pull wire is adjusted, all is that the doctor usually tries repeatedly to find the accuracy to the position, has reduced operation efficiency like this, rebuilds the operation for back cruciate ligament and carries out the problem of bringing inconvenience.

Description

Guiding sleeve for traction wire of tibial tunnel for reconstruction of posterior cruciate ligament under arthroscope

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a shin bone tunnel pull wire guide sleeve is rebuild to posterior cruciate ligament under arthroscope.

Background

The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles which are directly or indirectly used for the human body, and comprises required computer software, wherein the effects are mainly obtained in a physical mode and other modes, not in a pharmacological, immunological or metabolic mode, or are only assisted by the modes, and a tibial tunnel traction line guide sleeve is required to be used in the process of performing posterior cruciate ligament reconstruction surgery.

When the existing tibial tunnel traction wire guide sleeve is used, the angle of the traction wire returning after passing through a tunnel is inconvenient to adjust, generally, a doctor repeatedly tries to find the position, so that the operation efficiency is reduced, inconvenience is brought to implementation of a posterior cruciate ligament reconstruction operation, and therefore the tibial tunnel traction wire guide sleeve for the posterior cruciate ligament reconstruction under an arthroscope is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shin bone tunnel pull wire guide sleeve is rebuild to posterior cruciate ligament under arthroscope possesses the advantage that conveniently adjusts the pull wire angle of returning, has solved current shin bone tunnel pull wire guide sleeve when using, and the inconvenient angle of returning after passing the tunnel is adjusted to the pull wire, and the doctor is usually all tried repeatedly and is looked for the position, has reduced operation efficiency like this, rebuilds the operation for posterior cruciate ligament and carries out the problem of bringing inconvenience.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shin bone tunnel pull wire guide sleeve is rebuild to posterior cruciate ligament under arthroscope, includes the body of rod, the bottom on body of rod right side is provided with the body, the left side of body of rod runs through the body of rod and extends to the outside of the body of rod, the right side intercommunication of body has the return bend, the right side fixed mounting at body top has the support, the top of support articulates there is the stand pipe, the top of body and the left side sliding connection who is located the support have the regulation pole, the top fixed mounting who adjusts the pole has the magnetic ball, the top of magnetic ball and the bottom sliding connection of stand pipe, the left side fixed mounting who adjusts the pole has the guide arm, the left side of guide arm runs through the body of rod and.

Preferably, the left side of the body of rod is provided with the wire, the right side of wire runs through the body of rod, body, return bend and stand pipe in proper order and extends to the outside of stand pipe.

Preferably, a through hole is formed in the rod body and above the guide rod, and the through hole and the guide pipe are arranged on the same plane.

Preferably, the left side of the front surface of the rod body is sleeved with a stop block, and the upper end and the lower end of the stop block are both arranged in a water-drop shape.

Preferably, the block body is fixedly installed on the left side of the guide rod, and the limiting block is fixedly installed on the left side of the support and below the guide pipe.

Preferably, the bottom of the adjusting rod is fixedly provided with a sliding block, the top of the pipe body is provided with a sliding groove matched with the sliding block, and the sliding block is connected with the sliding groove in a sliding manner.

Preferably, the bottom of stand pipe is seted up with the arc wall of magnetic ball looks adaptation, the magnetic ball passes through arc wall and stand pipe sliding connection, the top of arc wall inner chamber is inlayed and is equipped with the magnetic stripe, the top of magnetic ball and the bottom laminating of magnetic stripe and be connected with magnetic stripe magnetism.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a body of rod, body, return bend, support, stand, guide tube, regulation pole, magnetic ball and guide arm's setting has reached the purpose that conveniently adjusts the pull wire angle of returning, has solved current shin bone tunnel pull wire guide sleeve when using, and the inconvenient angle of returning after passing the tunnel to the pull wire is adjusted, all is that the doctor usually tries repeatedly to find the accuracy to the position, has reduced operation efficiency like this, rebuilds the operation for back cruciate ligament and carries out the problem of bringing inconvenience.

2. The utility model discloses a set up the wire, the wire is used for communicateing the tunnel, and through setting up the through-hole, the through-hole is used for making things convenient for the wire to pass the body of rod and extend to the outside of the body of rod.

3. The utility model discloses a set up the stopper, a bottom for the stand pipe carries on spacingly, prevent the stand pipe downward sloping, through setting up the block, the block is used for the person of facilitating the use to control the guide arm, through setting up slider and spout, be used for prescribing a limit to the regulating stem, stability when improving the regulation pole and removing, through setting up magnetic stripe and arc wall, it slides in the arc wall to adjust the pole drive magnetic ball, because magnetic ball and magnetic stripe all have magnetism and mutual adsorption, circular motion is done to the one end upwarp that magnetic ball can take the drive stand pipe, the stand pipe can be inhaled through the magnetic stripe to the magnetic ball simultaneously, can not make the stand pipe skew at will.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side sectional view of the tube of the present invention;

fig. 3 is a left side view of the guide tube of the present invention;

fig. 4 is a side view of the rod body of the present invention.

In the figure: 1. a rod body; 2. a pipe body; 3. bending the pipe; 4. a support; 5. a guide tube; 6. adjusting a rod; 7. a magnetic ball; 8. a guide bar; 9. a wire; 10. a through hole; 11. a stopper; 12. a limiting block; 13. a slider; 14. a chute; 15. an arc-shaped slot; 16. a magnetic strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a tibial tunnel traction line guiding sleeve for reconstructing posterior cruciate ligament under arthroscope comprises a rod body 1, wherein a tube body 2 is arranged at the bottom of the right side of the rod body 1, the left side of the tube body 2 penetrates through the rod body 1 and extends to the outside of the rod body 1, the right side of the tube body 2 is communicated with a bent tube 3, a support 4 is fixedly arranged at the right side of the top of the tube body 2, a guiding tube 5 is hinged to the top of the support 4, an adjusting rod 6 is slidably connected to the top of the tube body 2 and the left side of the support 4, a magnetic ball 7 is fixedly arranged at the top of the adjusting rod 6, the top of the magnetic ball 7 is slidably connected to the bottom of the guiding tube 5, a guide rod 8 is fixedly arranged at the left side of the adjusting rod 6, the left side of the guide rod 8 penetrates through the rod body 1 and extends to the outside, Magnetic ball 7 and guide arm 8's setting has reached the purpose that conveniently adjusts the pull wire angle of returning, has solved current shin bone tunnel pull wire guide sleeve when using, and the inconvenient angle of returning after passing the tunnel to the pull wire is adjusted, and the doctor is usually all tried repeatedly and is looked for the position, has reduced operation efficiency like this, rebuilds the problem that the operation was carried out to the back cruciate ligament and is brought inconvenience.

In this embodiment, specifically, the left side of the body of rod 1 is provided with wire 9, and the right side of wire 9 runs through the body of rod 1, body 2, return bend 3 and stand pipe 5 in proper order and extends to the outside of stand pipe 5, and through setting up wire 9, wire 9 is used for communicateing the tunnel.

In this embodiment, specifically, a through hole 10 is formed inside the rod body 1 and above the guide rod 8, the through hole 10 and the guide tube 5 are disposed on the same plane, and by disposing the through hole 10, the through hole 10 is used to facilitate the wire 9 to pass through the rod body 1 and extend to the outside of the rod body 1.

In this embodiment, specifically, the dog 11 has been cup jointed on the positive left side of the body of rod 1, and the upper and lower both ends of dog 11 are the drop form setting, are used for spacing the body of rod 1 through setting up dog 11, and the person of facilitating the use controls the body of rod 1 simultaneously.

In this embodiment, specifically, the left side fixed mounting of guide arm 8 has the block, and the left side of support 4 and the below fixed mounting that is located stand pipe 5 have stopper 12, through setting up stopper 12 for the bottom of stand pipe 5 is spacing, prevents 5 downward slopping of stand pipe, and through setting up the block, the block is used for the person of facilitating the use to control guide arm 8.

In this embodiment, specifically, the bottom fixed mounting of adjusting pole 6 has slider 13, and the spout 14 with slider 13 looks adaptation is seted up at the top of body 2, and slider 13 and spout 14 sliding connection are used for prescribing a limit to adjusting pole 6 through setting up slider 13 and spout 14, improve the stability when adjusting pole 6 removes.

In this embodiment, it is concrete, arc wall 15 with 7 looks adaptations of magnetic ball is seted up to the bottom of stand pipe 5, magnetic ball 7 passes through

arc wall

15 and 5 sliding connection of stand pipe, magnetic stripe 16 is inlayed at the top of 15 inner chambers of arc wall, the top of magnetic ball 7 and the bottom laminating of magnetic stripe 16 and be connected with magnetic stripe 16 magnetism, through setting up magnetic stripe 16 and arc wall 15, it slides in arc wall 15 to adjust pole 6 drive magnetic ball 7, because magnetic ball 7 all has magnetism and adsorbs each other with magnetic stripe 16, circular motion is upwarp to the one end that magnetic ball 7 can take drive stand pipe 5, magnetic ball 7 can hold stand pipe 5 through magnetic stripe 16 simultaneously, can not make stand pipe 5 skew at will.

The working principle is as follows: when a user uses an arthroscope to perform an operation, the rod body 1 is inserted into a tibial tunnel, the rod body 1 drives the tube body 2 and the elbow 3 to penetrate through the tunnel, the user pushes the wire 9, the wire 9 moves in the rod body 1, the tube body 2, the elbow 3 and the guide tube 5, the pushed wire 9 can be drilled out from the guide tube 5, the user pushes the guide rod 8 through the block, the guide rod 8 pushes the adjusting rod 6 to move, the adjusting rod 6 drives the sliding block 13 to move in the sliding groove 14, the sliding groove 14 and the sliding block 13 are arranged for limiting the adjusting rod 6, the stability of the adjusting rod 6 during moving is improved, the adjusting rod 6 drives the magnetic ball 7 to slide in the arc-shaped groove 15, as the magnetic ball 7 and the magnetic strip 16 both have magnetism and are mutually adsorbed, the magnetic ball 7 can drive one end of the guide tube 5 to upwarp to perform a circular motion, and the magnetic ball 7 can suck the guide tube 5 through the magnetic strip, the stand pipe 5 drives its inside wire 9 and carries out the regulation of angle, after adjusting to suitable angle, the user continues to promote wire 9, the one end that wire 9 is located stand pipe 5 can extend to the tunnel that passes needs to be connected and to through-hole 10, under constantly promoting, wire 9 passes through-hole 10 and extends to the outside of the body of rod 1, thereby accomplish the tunnel and pull, then the user pulling body of rod 1, body of rod 1 drives body 2 and return bend 3 and withdraws from the tunnel, then will be in external wire 9 and body of rod 1 and body 2 separation, thereby accomplish whole process.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machinery, parts and equipment adopt the conventional models in the prior art, and the structure and principle of the parts known by the skilled person can be known by the technical manual or by the conventional experimental method.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shin bone tunnel pull wire direction sleeve is rebuild to posterior cruciate ligament under arthroscope, includes body of rod (1), its characterized in that: the bottom of the right side of the rod body (1) is provided with a pipe body (2), the left side of the pipe body (2) penetrates through the rod body (1) and extends to the outside of the rod body (1), the right side of the pipe body (2) is communicated with a bent pipe (3), the right side of the top of the pipe body (2) is fixedly provided with a bracket (4), the top of the bracket (4) is hinged with a guide pipe (5), the top of the pipe body (2) and the left side of the bracket (4) are connected with an adjusting rod (6) in a sliding way, the top of the adjusting rod (6) is fixedly provided with a magnetic ball (7), the top of the magnetic ball (7) is connected with the bottom of the guide pipe (5) in a sliding way, the left side fixed mounting who adjusts pole (6) has guide arm (8), the left side of guide arm (8) runs through the body of rod (1) and extends to the outside of the body of rod (1) and the inner wall sliding connection of the body of rod (1).

2. The arthroscopic posterior cruciate ligament reconstruction tibial tunnel pull wire guide sleeve according to claim 1, wherein: the left side of the rod body (1) is provided with a wire (9), the right side of the wire (9) sequentially penetrates through the rod body (1), the pipe body (2), the bent pipe (3) and the guide pipe (5) and extends to the outside of the guide pipe (5).

3. The arthroscopic posterior cruciate ligament reconstruction tibial tunnel pull wire guide sleeve according to claim 1, wherein: the guide rod is characterized in that a through hole (10) is formed in the rod body (1) and above the guide rod (8), and the through hole (10) and the guide pipe (5) are arranged on the same plane.

4. The arthroscopic posterior cruciate ligament reconstruction tibial tunnel pull wire guide sleeve according to claim 1, wherein: the left side of the front of the rod body (1) is sleeved with a stop block (11), and the upper end and the lower end of the stop block (11) are both arranged in a water-drop shape.

5. The arthroscopic posterior cruciate ligament reconstruction tibial tunnel pull wire guide sleeve according to claim 1, wherein: the left side fixed mounting of guide arm (8) has the block, the left side of support (4) just is located the below fixed mounting of stand pipe (5) and has stopper (12).

6. The arthroscopic posterior cruciate ligament reconstruction tibial tunnel pull wire guide sleeve according to claim 1, wherein: the bottom fixed mounting who adjusts pole (6) has slider (13), spout (14) with slider (13) looks adaptation are seted up at the top of body (2), slider (13) and spout (14) sliding connection.

7. The arthroscopic posterior cruciate ligament reconstruction tibial tunnel pull wire guide sleeve according to claim 1, wherein: arc wall (15) with magnetic ball (7) looks adaptation are seted up to the bottom of stand pipe (5), magnetic ball (7) pass through arc wall (15) and stand pipe (5) sliding connection, magnetic stripe (16) are inlayed at the top of arc wall (15) inner chamber, the top of magnetic ball (7) and the bottom laminating of magnetic stripe (16) and be connected with magnetic stripe (16) magnetism.