CN211243489U

CN211243489U - Intervertebral foramen mirror working sleeve with Kirschner wire

Info

Publication number: CN211243489U
Application number: CN201921099027.5U
Authority: CN
Inventors: 赵泉来
Original assignee: Yijishan Hospital of Wannan Medical College
Current assignee: Yijishan Hospital of Wannan Medical College
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-08-14
Anticipated expiration: 2029-07-12

Abstract

Take hole of intervertebral mirror work sleeve pipe of kirschner wire, including the work sleeve pipe, work sleeve pipe and kirschner wire, be equipped with bellied kirschner wire guide sleeve on the work sleeve pipe, the crossing face of kirschner wire guide sleeve's guide channel and work sleeve pipe's working channel link up, the left end portion interference of work sleeve pipe is connected with the connecting piece, the connecting piece comprises base and gomphosis portion of gripping, it has the groove of ending to open on the inner wall of gomphosis portion, the left end portion of work sleeve pipe inserts in the passageway that inserts the connecting piece and during the kirschner wire guide sleeve inserts the groove of ending, the terminal surface parallel and level of work sleeve pipe's terminal surface and gomphosis portion, the kirschner wire inserts in the kirschner wire guide sleeve of work sleeve pipe and the needle point. The Kirschner wire can be placed into the working sleeve, the Kirschner wire which is used for driving the target point is used for guiding the trepan saw to form the target point, the step of placing the traditional multistage trepan into the hole expanding step by step can be reduced, the X-ray radiation positioning frequency is reduced, and the one-time success rate of trepan forming is increased.

Description

Intervertebral foramen mirror working sleeve with Kirschner wire

Technical Field

The utility model relates to the field of medical equipment, concretely relates to take intervertebral foramen mirror work sleeve pipe of ke shi needle.

Background

The percutaneous intervertebral foramen mirror operation has the advantages of small incision, less bleeding, small wound, obvious operation effect and quick recovery, and the operation does not influence the stability of the spine. The key to the success of the lumbar intervertebral discectomy under the percutaneous endoscopy lies in accurate puncture to focus targets, good intervertebral foramen formation and targeted catheterization. The existing working sleeve cannot be fixed on a vertebra, a specially-assigned person is required to hold the working sleeve to prevent the working sleeve from deviating in the process of a thoracoscope operation, the mode not only increases the workload of medical staff, but also causes the reduction of the precision of the operation due to the fact that the arm easily deviates due to acid swelling in the process of holding the working sleeve for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, designed the intervertebral foramen mirror work sleeve pipe of taking ke shi needle, ke shi needle can be put into to this work sleeve pipe, through the ke shi needle guide of squeezing into the target point, implant and fixed work sleeve pipe, through the reducible medical staff's of ke shi needle fixed work sleeve pipe work load, can prevent the problem of the work sleeve pipe skew that leads to because of the arm acid swelling appears under the fixed of ke shi needle, guaranteed the precision of operation, increased the success rate that the trepan takes shape.

In order to solve the above technical problem and achieve the above technical effect, the utility model discloses a following technical content realizes:

take hole of intervertebral mirror work sleeve pipe of kirschner wire, a serial communication port, including the work sleeve pipe, work sleeve pipe and kirschner wire, be equipped with bellied kirschner wire guide sleeve on the work sleeve pipe, the crossing face of kirschner wire guide sleeve's guide channel and work sleeve pipe's work channel link up, the left end interference of work sleeve pipe is connected with the connecting piece, the connecting piece is by gripping base and gomphosis portion constitution integral type structure, it has the groove of splining with kirschner wire guide sleeve assorted on the inner wall of gomphosis portion, the left end of work sleeve pipe inserts in the passageway of inserting of connecting piece and the kirschner wire guide sleeve insert in the groove of splining, the terminal surface parallel and level of work sleeve pipe and the terminal surface of gomphosis portion, the kirschner wire inserts in the kirschner wire guide sleeve of work sleeve pipe and the needle point.

Preferably, the slope angle of the needle point of the working sleeve is 40 degrees, the length of the working sleeve is 175mm, and the length of the embedding part of the connecting piece is 30 mm.

Preferably, the working sleeve and the connecting piece are made of stainless steel materials.

The utility model has the advantages that: the Kirschner wire can be placed into the working sleeve, the working sleeve is guided, implanted and fixed through the Kirschner wire which is driven into a target point, the workload of medical staff can be reduced by fixing the working sleeve through the Kirschner wire, the problem of working sleeve deviation caused by acid expansion of an arm can be prevented under the fixation of the Kirschner wire, the precision of an operation is guaranteed, and the success rate of trepan forming is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall assembly view of an foraminal scope working cannula with a K-wire;

FIG. 2 is a schematic structural view of the connector;

FIG. 3 is a schematic sectional view of the connector;

FIG. 4 is a front view of the working sleeve;

fig. 5 is a schematic cross-sectional view of the middle of the working sleeve.

In the drawings, the components represented by the respective reference numerals are listed below:

1-working sleeve, 2-kirschner wire guide sleeve, 3-connecting piece, 4-kirschner wire, 5-holding base, 6-pressing groove, 7-embedding part, 8-inserting channel, 9-rotation stopping groove, 10-working channel and 11-guiding channel.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the colposcopic working cannula with the kirschner wire comprises a working cannula 1 and a kirschner wire 4, wherein a raised kirschner wire guide sleeve 2 is arranged on the working cannula 1, a guide channel 11 of the kirschner wire guide sleeve 2 is communicated with a crossing surface of a working channel 10 of the working cannula 1, a connecting piece 3 is connected to the left end of the working cannula 1 in an interference manner, the connecting piece 3 is an integrated structure consisting of a holding base 5 and an embedding part 7, a rotation stopping groove 9 matched with the kirschner wire guide sleeve 2 is arranged on the inner wall of the embedding part 7, the left end of the working cannula 1 is inserted into an insertion channel 8 of the connecting piece 3, and the kirschner wire guide sleeve 2 is inserted into the rotation stopping groove 9, the end face of the working sleeve 1 is flush with the end face of the fitting portion 7, the kirschner wire 4 is inserted into the kirschner wire guide sleeve 2 of the working sleeve 1 and the needle tip of the kirschner wire protrudes from the right end portion of the working sleeve 1.

Wherein, the gradient angle of the needle point of the working sleeve 1 is 40 degrees, the length of the working sleeve 1 is 175mm, and the length of the embedding part 7 of the connecting piece is 30 mm.

Wherein, the working sleeve 1 and the connecting piece 3 are made of stainless steel materials.

One specific application of the device is as follows: (1) firstly, performing surgical body surface positioning: the patient takes a prone position, and an operation gap and a puncture route are marked according to X-rays, CT and MRI before operation, wherein the puncture route comprises a puncture point, a distance from the puncture point to a posterior midline and a head inclination angle.

(2) Then puncture intraoperatively: a conventional disinfection drape is adopted, an 18G puncture needle is punctured to the vicinity of an upper articular process of an intervertebral foramen, 15ml of 0.5 percent lidocaine is injected, a guide wire is placed and maintained in situ, 8mm skin is cut through the guide wire, an expansion catheter is used for soft tissue expansion, a guide wire is pulled out and a 4 th level soft tissue expansion tube is reserved, a Kirschner wire with the diameter of 2.5mm is inserted into the dilation catheter, the tip of the Kirschner wire touches the tip and the ventral side of the upper articular process and tightly clings to the ventral side of the tip of the upper articular process to enter a vertebral canal, if the hyperplasia of the upper articular process is obvious, a small amount of sclerotin enters the vertebral canal through the ventral side of the upper articular process, the head of the Kirschner wire is knocked under the perspective guidance of the positive side of a C-arm machine and the head of the Kirschner wire is confirmed to be positioned at a target point, the Kirschner wire guide sleeve 2 of a working sleeve 1 is inserted into the vertebral canal along the Kirschner wire, a protective sleeve is fixed, a trep, the depth of the upper trepan in the perspective correct position reaches a little inside the connecting line of the inner side edges of the upper and lower vertebral pedicles, the hole mirror operating sleeve is implanted after the trepan is taken out, and the C-arm machine confirms that the far end of the C-arm machine is positioned at the target point in the perspective correct side position.

Cleaning coagulated blood clots and broken bone fragments under a mirror, grasping and removing extruded and pressed nucleus pulposus, exploring and exposing nerve roots, cleaning loosened and broken nucleus pulposus at the rear edge of the intervertebral disc, ablating the broken fibrous ring opening by the bendable bipolar radio-frequency electrode pair, confirming that a dura mater and a walking root beat with the heartbeat under the mirror, and inquiring that the affected limb of a patient feels better and stops the operation after hemostasis again, wherein the straight leg raising test is negative. In the whole operation process, the working sleeve 1 is fixed by the Kirschner wire 4, manual support is not needed, and the problem of operation precision reduction caused by deviation of the working sleeve 1 can be solved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An intervertebral foramen mirror working sleeve with a Kirschner wire is characterized by comprising a working sleeve (1) and the Kirschner wire (4), wherein the working sleeve (1) is provided with a raised Kirschner wire guide sleeve (2), a guide channel (11) of the Kirschner wire guide sleeve (2) is communicated with an intersecting surface of a working channel (10) of the working sleeve (1), the left end part of the working sleeve (1) is in interference connection with a connecting piece (3), the connecting piece (3) is in an integrated structure consisting of a holding base (5) and an embedding part (7), a rotation stopping groove (9) matched with the Kirschner wire guide sleeve (2) is formed in the inner wall of the embedding part (7), the left end part of the working sleeve (1) is inserted into an insertion channel (8) of the connecting piece (3) and the Kirschner wire guide sleeve (2) is inserted into the rotation stopping groove (9), the end surface of the working sleeve (1) is flush with the end surface of, the Kirschner wire (4) is inserted into the Kirschner wire guide sleeve (2) of the working cannula (1) and the needle tip of the Kirschner wire protrudes from the right end of the working cannula (1).

2. The foraminous endoscope working cannula with the kirschner wire of claim 1, wherein the gradient angle of the needle point of the working cannula (1) is 40 degrees, the length of the working cannula (1) is 175mm, and the length of the tabling part (7) of the connecting piece is 30 mm.

3. The foraminous endoscope working cannula with the kirschner wire of claim 1, wherein the working cannula (1) and the connecting piece (3) are made of stainless steel.