CN222285597U - Patella transverse fracture minimally invasive surgery fixing kit - Google Patents

Abstract

The utility model provides a patella transverse fracture minimally invasive surgery fixing kit, which belongs to the medical field and comprises a steel wire with a needle; the front patella stripping guide has sharp tip and edge, and middle steel wire channel for inserting into soft tissue before patella and taking out steel wire, and the other end is hand held. The utility model solves the problem that the micro-invasive internal fixation technology of the transverse fracture of the patella has no suitable surgical instrument, assists in completing the conduction of the patella steel wire, realizes the implementation of surgical treatment on the premise of realizing micro-invasiveness, avoids the problems of soft tissue contusion, incision infection, steel wire torsion fracture, radiation exposure overlong and the like in the surgical process, and completes the reduction and fixation of the fracture on the premise of receiving the minimum limit value of the radiation.

Description

Patella transverse fracture minimally invasive surgery fixing kit

Technical Field

The utility model belongs to the field of medicine (orthopedics), and relates to a patella transverse fracture minimally invasive surgery fixing kit.

Background

The patella is the biggest unginned bone of human body, is the important position of patellofemoral joint of four-head tendons of connecting the thigh and patellofemoral ligament, and the patellofemoral fracture incidence accounts for 1% of whole body fracture, and most commonly water plane fracture and vertical fracture, the patellofemoral fracture can destroy the knee extension device function after the patellofemoral fracture to cause long-term complication such as joint stiffness, joint adhesion and patellofemoral arthritis scheduling problem to take place, and different fracture types have different treatment schemes, but along with the development of minimally invasive technology in recent years, because of having a plurality of advantages such as small wound, short time, quick recovery, safety, high efficiency, extensive adaptation disease, etc., it has become the first choice of patellofemoral fracture treatment clinically.

However, in the application process, the minimally invasive internal fixation technology is not suitable for the selection of surgical instruments, so that the problems of soft tissue contusion, incision infection, steel wire torsion fracture, radiation exposure over-time and the like frequently occur in the operation process in clinical work, and therefore, the reduction and fixation of fracture are completed on the premise of receiving the radiation minimum limit value, which is always a challenge facing orthopedics clinicians.

Disclosure of utility model

Aiming at the problem, the utility model provides a minimally invasive patellar transverse fracture surgery fixing kit, which breaks through the problem that no suitable instrument is available for the minimally invasive patellar transverse fracture surgery through the optimal design, and has no relevant reports, documents or patents at home and abroad so far.

The technical scheme adopted by the utility model is as follows:

The fixing sleeve comprises a steel wire via hole guide 1, a pre-patellar stripping guide 2 and a steel wire with a needle 3.

The whole scissors-like structure of the steel wire via hole guider 1 comprises a handheld end and a guiding end, wherein hollow circular handheld rings 11 are arranged at the tail ends of the two handheld ends and used for controlling opening and closing, a handheld ring lock 12 is arranged on the outer wall of the opposite side of the two handheld rings 11 and is of an elastic fixed step type locking structure, the two handheld ring locks 12 are matched for locking an opening and closing angle, steel wire manhole 13 is arranged at the front end of the guiding end of the steel wire via hole guider 1, and the two steel wire manhole 13 are oppositely arranged and used for allowing a needle-carrying steel wire 3 to pass through.

The patella front stripping guide 2 is strip-shaped and comprises a patella front stripper 22 at the head and a holding handle 23 at the tail. The front patella stripper 22 is arc-shaped and flat, sharp edges are formed at the tip and two sides of the front patella stripper, a tunnel formed by the front patella stripper is used for the steel wire 32 in the steel wire 3 with the needle to pass through, a pore canal with two open ends is formed in the front patella stripper 22 along the arc direction and is used as a steel wire channel 21, the steel wire channel 21 extends from the tip of the front patella stripper 22 to the junction between the front patella stripper 22 and a holding handle 23, and the holding handle 23 is flat, has a thickness thinner than the front patella stripper 22, has a rough surface and is favorable for holding.

The steel wire 3 with the needle comprises a steel wire guiding needle 31 and a steel wire 32 penetrating into the tail part of the steel wire guiding needle.

Further, the two opposite sides of the front ends of the two guiding ends of the steel wire through hole guiding device 1 are of a plane structure and are inclined inwards, the opposite sides are triangular and inclined, the front ends of the guiding ends are sharp corners, the steel wire through hole channel 13 is circular and through, one end of the steel wire through hole channel is opened on the plane structure on the opposite side of the front ends of the guiding ends, and the other end of the steel wire through hole channel is opened on the inclined slope between the triangular top ends on the opposite sides and the sharp corners of the end parts.

Furthermore, the steel wire via guide 1 and the pre-patellar stripping guide 2 are both made of metal materials.

Further, the length of the steel wire guide needle 31 is 12cm.

The utility model has the beneficial effects that the problem that the micro-invasive internal fixation technology for the transverse fracture of the patella is free of proper surgical instruments in the application process is solved. The utility model assists in completing the conduction of the patella steel wire, realizes the implementation of operation treatment on the premise of realizing minimally invasive operation, avoids the problems of soft tissue contusion, incision infection, steel wire torsion fracture, radiation exposure over-long and the like in the operation process, and completes the reduction and fixation of fracture on the premise of receiving the lowest limit value of radiation.

Drawings

FIG. 1 (a) is a front view of a wire-via guide structure;

FIG. 1 (b) is a partial side view of the leading end of the wire-via guide;

FIG. 2 is a schematic view of the structure of the pre-patellar peel guide, wherein (a) is a general schematic view and (b) is a head side view;

FIG. 3 is a schematic view of a needled steel wire;

In the figure, a steel wire through hole guide device 1, a stripping guide device 2 before the patella, a steel wire 3 with a needle, a hand-held ring 11, a hand-held ring lock 12, a steel wire manhole 13, a steel wire channel 21, a stripping ion 22 before the patella, a holding handle 23, a steel wire guide needle 31 and a steel wire 32.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings and technical schemes.

Example 1:

A minimally invasive surgery fixing kit for patella transverse fracture comprises a steel wire via hole guide 1, a pre-patellar stripping guide 2 and a steel wire with needle 3.

As shown in fig. 1 (a), the steel wire via hole guide device 1 is in a scissor-like structure, and comprises a hand-held end and a guide end, wherein the tail ends of the two hand-held ends are respectively provided with a hollow circular hand-held ring 11 for controlling opening and closing, the outer walls of the opposite sides of the two hand-held rings 11 are respectively provided with a hand-held ring lock 12 which is an elastic fixed step type locking structure, and the two hand-held ring locks 12 are matched for locking the opening and closing angle. The opposite sides of the front ends of the guiding ends of the steel wire through hole guiding device 1 are of planar structures and inwards inclined, the opposite sides are triangular and inclined, the front end parts of the guiding ends are sharp corners, the front ends of the two guiding ends are provided with steel wire manhole 13 which is in a circular through shape, one end of each steel wire manhole 13 is opened on the planar structure on the opposite side of the end part, and the other end of each steel wire manhole 13 is opened on the inclined slope between the triangular top ends on the opposite sides of the end part and the sharp corners of the end part, as shown in fig. 1 (b).

As shown in fig. 2, the patellar peeling guide 2 is strip-shaped and includes a head patellar stripper 22 and a tail grasping handle 23. The front patella stripper 22 is arc-shaped and flat, sharp edges are formed at the tip and two sides of the front patella stripper, a tunnel formed by the front patella stripper is used for the inner passing of a steel wire 32, a duct with two open ends is arranged in the front patella stripper 22 along the arc direction and is used as a steel wire channel 21, the steel wire channel 21 extends from the tip of the front patella stripper 22 to the junction between the front patella stripper 22 and a holding handle 23, and the holding handle 23 is flat, has a thickness thinner than the front patella stripper 22, has a rough surface and is favorable for holding.

As shown in fig. 3, the steel wire 3 with needle comprises a steel wire guiding needle 31 and a steel wire 32 penetrating into the tail part of the steel wire guiding needle 31, wherein the length of the steel wire guiding needle 31 is 12cm.

The use process of the fixing sleeve member is as follows:

And 1, after the fracture end is reset, fixing the fracture end by using fracture reset pliers, bending the knee joint by 90 degrees, and observing the right and side positions of the knee joint by using the C-type arm, wherein the right position is good in patella alignment observation, and the side position is flat in patella joint surface observation.

And 2, penetrating the patella from the upper part of the inner side and the lower part of the outer side of the patella respectively by using 2 Kirschner wires with the diameter of 2.0mm in the horizontal direction, fixing the fracture end of the patella from far to near, penetrating the needle point out of the upper edge of the patella by 2cm, and enabling the Kirschner wire to be positioned at a proper position through C-shaped arm perspective.

And 3, cutting by using a sharp knife along the needle inlet point and the needle outlet point of the Kirschner wire, wherein the total number of the cuts is 4, the lengths of the cuts are about 0.5cm respectively, and the subcutaneous soft tissues are separated by using straight forceps until the patella edge is reached.

And 4, respectively inserting the two guide end parts of the steel wire via hole guide device 1 into the two cuts at the proximal end of the patella, wherein the insertion depth is the depth of the steel wire manhole 13 beyond the Kirschner wire. Grip the hand ring 11 and lock the hand ring lock 12.

Step 5, the steel wire guide needle 31 with the needle steel wire 3 is connected with the steel wire 32, and sequentially penetrates through the outer soft tissue, the outer steel wire manhole 13, the two Kirschner wires deep surfaces, the inner steel wire manhole 13 and the inner soft tissue from the side of the patella along the outer side to the inner side of the knee joint, and then penetrates out from the inner side of the knee joint, so that the steel wire guide needle 31 is cut off.

And 6, pulling out the steel wire through hole guide 1, and simultaneously pulling out the steel wire 32 from the incision, wherein two ends of the steel wire 32 are respectively positioned at two incisions at the proximal end of the patella.

Step 7, the patella front stripper 22 of the patella front stripper guide 2 is used for carrying out subcutaneous stripping from the patella far-end outer side incision to the patella near-end opposite incision, turning over and until the steel wire 32 at the patella near-end inner side incision passes out, penetrating the steel wire channel 21 from the tip of the patella near-end inner side incision and out from the other side of the channel, and withdrawing the patella front stripper 22, so that the steel wire 32 is carried out from the patella far-end outer side incision.

Step 8, inserting the patella front stripper 22 from the patella distal end inner side incision to the patella proximal end outer side incision, enabling the steel wire 32 at the patella proximal end outer side incision to penetrate through the steel wire channel 21 and then exit the patella front stripper 22, and taking the steel wire 32 out of the patella distal end inner side incision, wherein at the moment, two ends of the steel wire 32 are respectively led out of the patella distal end two incisions.

And 9, inserting the vascular forceps for operation from the distal inner incision of the patella, extending from the distal outer incision of the patella along the deep surface of the patella ligament, clamping the end part of the steel wire 32 at the distal outer incision of the patella, pulling out the vascular forceps and taking out the steel wire 32, wherein both ends of the steel wire 32 are positioned at the distal inner incision of the patella.

And 9, screwing the steel wire 32 by using a Kirschner wire, and simultaneously externally pulling the Kirschner wire to be 0.5cm higher than the upper edge of the patella.

And 10, bending the Kirschner wire by using a bending machine, shearing the stub of the steel wire 32 by using Kirschner pliers, and rotating and burying the tail of the Kirschner wire.

Step 11, suturing the incision at the position 4.

The examples described above represent only embodiments of the utility model and are not to be understood as limiting the scope of the patent of the utility model, it being pointed out that several variants and modifications may be made by those skilled in the art without departing from the concept of the utility model, which fall within the scope of protection of the utility model.

Claims (6)

1. The patella transverse fracture minimally invasive surgery fixing kit is characterized by comprising a steel wire through hole guide (1), a pre-patella stripping guide (2) and a steel wire with needle (3);

The steel wire through hole guide device (1) is of a scissor-like structure, comprises a hand-held end and a guide end, wherein the tail ends of the two hand-held ends are respectively provided with a hollow circular hand-held ring (11) for controlling opening and closing, the outer walls of the opposite sides of the two hand-held rings (11) are respectively provided with a hand-held ring lock (12), and the two hand-held ring locks (12) are matched for locking the opening and closing angle;

The patella front stripping guide device (2) is strip-shaped and comprises a patella front stripper (22) at the head part and a holding handle (23) at the tail part, wherein the patella front stripper (22) is arc-shaped and flat, the sharp edges at the tip and the two sides of the patella front stripper are sharp, a tunnel formed by the patella front stripper is used for the inner passing of a steel wire (32) in a steel wire (3) with a needle, a tunnel with two open ends is arranged in the patella front stripper (22) along the arc direction and is used as a steel wire channel (21), and the steel wire channel (21) is from the tip of the patella front stripper (22) to the junction of the patella front stripper (22) and the holding handle (23), and the holding handle (23) is flat;

The steel wire (3) with the needle comprises a steel wire guide needle (31) and a steel wire (32) penetrating into the tail part of the steel wire guide needle.

2. The patellar transverse fracture minimally invasive surgery fixation kit as claimed in claim 1, wherein the ring-holding lock (12) is an elastic fixation step-type locking structure.

3. The fixing kit for the patella transverse fracture minimally invasive surgery according to claim 1, wherein the front ends of the two guide ends of the steel wire through hole guide device (1) are of a plane structure on opposite sides and are inclined inwards, the opposite sides are triangular and slope-shaped, the front end of the guide ends are sharp-angled, the steel wire manhole (13) is of a round through shape, one end of the steel wire manhole is open on the plane structure on the opposite side of the front end of the guide ends, and the other end of the steel wire manhole is open on a slope between the triangular top ends on the opposite sides and sharp corners of the end portions.

4. The patellar transverse fracture minimally invasive surgery fixation kit according to claim 1, wherein the grip handle (23) is thinner than the anterior patellar stripper (22) and has a rough surface.

5. The patellar transverse fracture minimally invasive surgery fixation kit according to claim 1, wherein the steel wire via guide (1) and the pre-patellar stripping guide (2) are both made of metal materials.

6. The patellar transverse fracture minimally invasive surgery fixation kit as claimed in claim 1, wherein the wire guide needle (31) is 12cm long.