CN215778499U - Intervertebral foramen mirror imbedding device - Google Patents

Abstract

The utility model belongs to the field of medical instruments, and particularly relates to an intervertebral foramen mirror implanting device, which comprises: the puncture needle is connected with anesthesia injection equipment; the trepan is arranged on the outer side of the puncture needle and comprises a front section trepan and a rear section trepan which are movably connected. The intervertebral foramen endoscope imbedding device provided by the utility model can complete anesthesia in the process of puncture, meanwhile, the trepan is arranged outside the puncture needle, the trepan can be directly used for reaming, the operation steps are reduced, meanwhile, the movably connected front section trepan and the rear section trepan also ensure the stability of the puncture needle during reaming, and the efficiency and the accuracy of the operation are improved.

Description

Intervertebral foramen mirror imbedding device

Technical Field

The utility model belongs to the field of medical instruments, and particularly relates to an intervertebral foramen mirror implanting device.

Background

The intervertebral foramen endoscope technology is an endoscope auxiliary technology in the spine endoscope technology, has the advantages of small wound, less bleeding, quick postoperative rehabilitation, local anesthesia operation and the like, and safe and accurate positioning puncture is a core step of the intervertebral foramen endoscope technology and is one of key factors for determining operation difficulty and postoperative clinical effect.

The intervertebral foramen endoscope technology is that after the intervertebral foramen is enlarged through a gradual expansion method, a working channel is placed at the protuberant part of nucleus pulposus, then the protuberant part is removed by various types of nucleus pulposus pincers under the monitoring of an endoscope, and the compression is directly relieved.

The conventional intervertebral foramen endoscope is relatively complex to place and operate at present, a puncture needle is used for guiding the puncture and injecting anesthetic, then a guide steel wire is inserted, the multi-stage sleeve expands layer by layer, then a guide rod is placed into an intervertebral foramen, and then a working channel is placed along the guide rod, different components need to be switched back and forth during the whole operation process, and the steps are complex; meanwhile, the direction and the position of the puncture needle are easy to deviate in the switching process, so that the time and the difficulty of the implantation of the working channel are caused, or the implantation position is not good enough, and the operation effect is influenced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides an intervertebral foramen endoscope implanting device which integrates three functions of puncture, anesthesia and hole expansion.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an foraminoscopic insertion apparatus comprising:

the puncture needle is connected with anesthesia injection equipment;

the trepan is arranged on the outer side of the puncture needle and comprises a front section trepan and a rear section trepan which are movably connected.

The further technical scheme is as follows: the trepan is sleeved with a trepan handle, and the trepan handle penetrates through the rear section trepan and is movably connected with the front section trepan.

The further technical scheme is as follows: the one end that the back end trepan was kept away from to anterior segment trepan is provided with the counter bore, and the one end side that the anterior segment trepan was close to the back end trepan is provided with the convex part, the outside of counter bore is provided with the sawtooth, and the trepan handle passes through convex part and anterior segment trepan joint.

The further technical scheme is as follows: the front section trepan is in threaded connection with the rear section trepan.

The further technical scheme is as follows: one end of the rear section trepan, which is far away from the front section trepan, is provided with a conical counter bore, and anesthesia injection equipment is arranged in the conical counter bore.

The further technical scheme is as follows: the puncture needle is in a hollow cylinder shape with an inclined plane at the end part.

The further technical scheme is as follows: the puncture needle sequentially penetrates through the rear section trepan and the front section trepan.

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

(1) the utility model provides a device for implanting an intervertebral foramen mirror, which can complete anesthesia in the process of puncture by connecting anesthesia injection equipment on a puncture needle and is convenient to use; meanwhile, the trepan is arranged outside the puncture needle, so that the trepan can be placed for reaming when the tube is difficult to place, the operation steps are reduced, and the use is convenient; the trepan includes swing joint's anterior segment trepan and back end trepan, can separate when the reaming, conveniently grips and carries out the reaming, avoids the pjncture needle to take place the displacement, improves the reaming efficiency and the precision of location.

(2) The trepan is movably connected with a trepan handle, a groove is formed in the side face of the trepan handle, the trepan handle can be clamped on the front section of the trepan, the force can be conveniently applied to ream, and the operation efficiency is improved.

(3) The end part of the front-section trepan is provided with a counter bore, sawteeth are arranged on the outer side of the counter bore, and bone residues after the counter bore can be clamped inside the trepan, so that the bone residues can be taken out conveniently; the front section trepan and the rear section trepan are in threaded connection, and can play a role in strengthening the puncture needle when in connection, so that the puncture work is convenient; the trepan handle is rotated to perform reaming operation when the back-end trepan can be held during separation, the front end of the puncture needle is positioned in the bone of a patient, the back end of the puncture needle is positioned in the back-end trepan, the support is stable, and the puncture needle is prevented from moving in the reaming process.

(4) The tail end of the back-section trepan is provided with a conical counter bore which can tightly clamp anesthesia injection equipment such as an injector.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more apparent, the following detailed description will be given of preferred embodiments.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is a partial enlarged view of the utility model at a in fig. 1.

FIG. 3 is a schematic structural view of a front-end trepan of the present invention.

FIG. 4 is a schematic structural diagram of the back end trepan of the present invention.

FIG. 5 is a schematic view of the structure of the trepan handle of the present invention.

FIG. 6 is a schematic view of the puncture device according to the present invention.

Fig. 7 is a schematic structural view of the present invention during reaming.

The reference numbers in the figures are: 100 is a puncture needle, 200 is a trepan, 300 is a trepan handle, 400 is anesthesia injection equipment, 500 is a convex part, 600 is a connecting column, 210 is a front section trepan, 211 is a counter bore, 220 is a rear section trepan, 221 is a conical through hole, 310 is a groove, and 320 is a circular through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present invention provides an intervertebral foramen mirror implanting device, including:

an foraminoscopic insertion apparatus comprising:

the puncture needle 100 is connected with anesthesia injection equipment 400;

the trepan 200, the trepan 200 is arranged on the outer side of the puncture needle 100, and the trepan 200 comprises a front trepan 210 and a rear trepan 220 which are movably connected.

According to the intervertebral foramen mirror implanting device provided by the utility model, the anesthesia injection equipment 400 is connected to the puncture needle 100, so that anesthesia can be completed in the puncture process, and the use is convenient; meanwhile, the trepan 200 is arranged outside the puncture needle 100, and the trepan 200 can be placed for reaming when the tube is difficult to place, so that the operation steps are reduced, and the use is convenient; trepan 200 includes swing joint's anterior segment trepan 210 and back end trepan 220, can separate when reaming, conveniently grips and reams, avoids pjncture needle 100 to take place the displacement, improves the reaming efficiency and the precision of location

Preferably, the trepan 200 is sleeved with a trepan handle 300, and the trepan handle 300 passes through the rear trepan 220 and is movably connected with the front trepan 210.

It is further preferred that the ring saw handle 300 snap-fits to the front section 210 via the tabs 500 on the front ring saw 210.

In this embodiment, convex part 500 is two long-strip-shaped protruding that set up in anterior segment trepan 210 tip both sides, and one side that trepan handle 300 is close to anterior segment trepan 210 is provided with recess 310, and one side of keeping away from anterior segment trepan 210 is provided with circular through-hole 320, and the shape of recess 310 and convex part 500's shape phase-match are provided with in the circular through-hole 320 back end trepan 220, trepan handle 300 utilize recess 310 chucking anterior segment trepan 210, make things convenient for the application of force to carry out the reaming, improve operation efficiency, swing joint simultaneously conveniently demolishs, is favorable to depositing.

Preferably, a counter bore 211 is formed in one end of the front ring saw 210 away from the rear ring saw 220, a convex part 500 is formed on one side surface of the front ring saw 210 close to the rear ring saw 220, and saw teeth are formed on the outer side of the counter bore 211.

In the embodiment, the sawteeth at the outer side of the counter bore 211 are inclined at an acute angle towards the axis direction, so that the broaching can be conveniently carried out, and the broaching efficiency is improved; simultaneously counter bore 211 can block the bone residue after the reaming inside, conveniently takes out.

Preferably, the front ring saw 210 is threadedly coupled to the rear ring saw 220.

In this embodiment, the end of the front end trepan 210 is provided with a connecting post 600, the connecting post 600 is a hollow cylinder with a thread on the surface, one end of the rear section trepan 220 close to the front section trepan 210 is provided with an internal thread matched with the connecting post 600, and the front section trepan and the rear section trepan can play a role in strengthening the puncture needle when being connected, so that the puncture work is convenient to be performed; can grip back end trepan during the separation and rotate trepan handle and carry out reaming operation, the front end of pjncture needle is located patient's skeleton, and the rear end is located the back end trepan, supports stably, can avoid reaming in-process pjncture needle to remove, guarantees the precision of location

Preferably, one end of the back ring saw 220 away from the front ring saw 210 is provided with a tapered counter bore 221, and the anesthesia injection device 400 is arranged in the tapered counter bore 221.

Preferably, the puncture needle 100 has a hollow cylindrical shape with a beveled end.

Further preferably, the puncture needle 100 is sequentially disposed through the posterior trepan 220 and the anterior trepan 210.

In this embodiment, the front end trepan 210, the rear section trepan 220 and the connecting column 600 are all hollow cylinders, and the front section trepan 210 and the rear section trepan 220 are concentrically arranged, so that the function of strengthening the puncture needle is achieved during puncture, and the positioning accuracy is improved.

As shown in fig. 6, when the utility model is used for puncturing, the anesthesia injection device 400 is connected with the puncture needle 100, before puncturing and anesthesia, medical staff pushes anesthetic drugs in the injection device 400 to the end of the puncture needle 100 to prevent air from existing in the needle tube to influence the anesthesia effect, and then the puncture needle 100 is punctured into the body of a patient, and the medical staff can stably control the entry of the puncture needle 100 by holding the anesthesia injection device 400 and the front-segment trepan in the puncturing process, so as to ensure that the puncture needle 100 is accurately positioned; meanwhile, the position of the needle point of the puncture needle 100 is observed by combining with a perspective device, and anesthesia is carried out after the needle point of the puncture needle 100 reaches an anesthesia injection area with a certain depth.

As shown in fig. 7, when reaming is needed, the medical staff takes off the anesthesia injection device 400 and performs trepan reaming through the trepan 200, specifically, the medical staff firstly drives the puncture needle 100 into the articular process of the patient for positioning, then unscrews the posterior trepan 220 from the connecting column 600 under the condition that the puncture needle 100 is ensured to be stable and immovable, ensures that the posterior trepan 220 is completely separated from the anterior trepan 210, then the medical staff cuts a knife edge at the position where the puncture needle 100 enters, enters the anterior trepan 210 from the knife edge until the sawtooth end of the anterior trepan 210 reaches the bone, starts to perform trepan reaming, the medical staff holds the posterior trepan 220 with one hand and holds the trepan handle 300 with the other hand, the trepan handle 300 is rotated to drive the anterior trepan 210 to rotate for reaming, during reaming, because one end of the puncture needle 100 is positioned at the joint of the patient and the other end of the trepan 220 rotates, the whole support is stable, and the puncture needle 100 can not move.

After reaming, the worker sequentially takes out the rear ring saw 220, the ring saw handle 300 and the front ring saw 210 under the condition of ensuring the puncture needle 100 to be immobile, then puts the rear ring saw into the working channel along the puncture needle 100, and finally takes out the puncture needle 100 to complete the operation of putting the intervertebral foramen mirror into the intervertebral foramen.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (7)

1. An foraminoscopic insertion device, comprising:

the puncture needle (100), the puncture needle (100) is connected with anesthesia injection equipment (400);

the trepan (200) is arranged on the outer side of the puncture needle (100), and the trepan (200) comprises a front trepan (210) and a rear trepan (220) which are movably connected.

2. The foraminous endoscope implanting device of claim 1, wherein the trepan (200) is sleeved with a trepan handle (300), and the trepan handle (300) passes through the rear trepan (220) and is movably connected with the front trepan (210).

3. The intervertebral foraminoscope insertion device of claim 2, wherein a counter bore (211) is formed in one end, away from the rear trephine (220), of the front trephine (210), a convex portion (500) is formed in one side face, close to the rear trephine (220), of the front trephine (210), saw teeth are formed in the outer side of the counter bore (211), and the trephine handle (300) is clamped with the front trephine (210) through the convex portion (500).

4. The foraminous endoscope insertion device of claim 1, wherein the anterior trephine (210) is threadably connected to the posterior trephine (220).

5. The foraminoscope insertion device of claim 1, wherein a tapered counter bore (221) is formed in one end of the posterior trephine (220) far away from the anterior trephine (210), and the anesthesia injection equipment (400) is arranged in the tapered counter bore (221).

6. The foraminal endoscope insertion device of claim 1, wherein the puncture needle (100) is a hollow cylinder with a beveled end.

7. The foraminous endoscope insertion device of claim 1, wherein the puncture needle (100) is disposed through the posterior trepan (220) and the anterior trepan (210) in sequence.

Images