CN216294141U

CN216294141U - Reverse insertion installation handle and endoscope assembly applying same

Info

Publication number: CN216294141U
Application number: CN202122245306.1U
Authority: CN
Inventors: 游勤光; 赵海; 赵涛
Original assignee: Maoyu Qingdao Medical Technology Co ltd
Current assignee: Maoyu Qingdao Medical Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-15
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a handle of a novel elastic inverted-connection surgical instrument and an endoscope assembly applying the handle, and the handle can be used for implanting the surgical instrument from front to back along an endoscope instrument channel in an inverted-insertion manner, so that various types and sizes of surgical instruments can be flexibly implanted, the limitation of the size of an endoscope is correspondingly reduced, the minimally invasive and therapeutic effects are taken into consideration, and the surgical efficiency and the surgical success rate are improved. The inverted installation handle comprises an insertion part and a connection part which are connected in a T shape, the insertion part is provided with a hollow cavity allowing a surgical instrument to be inserted and pass through, and the connection part is provided with a cavity communicated with the hollow cavity; a push rod is arranged in the cavity of the connecting part, one end of the push rod extends to the outside of the connecting part, the other end of the push rod is connected with a spring, and the other end of the spring is pressed against the closed inner end of the cavity connected to the connecting part; the push rod is provided with a clamping groove which is arranged corresponding to one end of the hollow cavity of the insertion part.

Description

Reverse insertion installation handle and endoscope assembly applying same

Technical Field

The utility model relates to a handle for being inversely inserted and installed from an endoscope instrument channel and an endoscope assembly applying the handle, and belongs to the field of medical instruments.

Background

With the rapid development of the endoscope technology, the treatment of the spinal surgery indications by means of the endoscope is further popularized and applied. The spinal endoscope has obvious advantages for developing central spinal stenosis operation, developing under-lens fusion operation and the like relative to open operation.

The existing endoscopes for treating spinal disc fusion operations include two types, one is of smaller size, generally with an outer diameter of about 7mm, and are mainly used for transforaminal introduction, for example, they can be applied to a epidural sac ventral type decompression operation; the other is of larger size, typically having an outer diameter of around 10.0mm, which can be suitable for extensive reduced pressure surgery of the epidural sac dorsal type, for example. The spinal endoscopes with the two sizes have advantages and disadvantages, and for the endoscope with the smaller size, although the wound is smaller and the postoperative period of a patient is shorter, the surgical instrument implanted into the endoscope is limited by the inner diameter of the instrument channel of the endoscope, the outer diameter of the surgical instrument is smaller, the treatment performance of the surgical instrument is limited, and complex and efficient treatment means are difficult to complete. For the endoscope with larger size, although more types of surgical instruments can be implanted, the endoscope has defects in treatment safety and flexibility, for example, the surgical instruments inevitably cause certain burden and injury to patients during the leading-in or leading-out process, and the endoscope is far from sufficient only by the experience and skill of doctors. Removal of osteophytes, particularly hyperosteogeny in spinal discs, is highly susceptible to nerve impingement and significant post-operative pain for the patient. In addition, an endoscope with too large outer diameter can cause a larger operation wound and a longer postoperative recovery period of a patient. The use of extra-scope surgical instruments is currently not generally recommended for such large-sized spinal endoscopes.

Therefore, the spinal endoscope fusion surgical instrument in the prior art has great uncertainty and risk, is difficult to achieve an ideal use effect, and increases the learning curve of doctors. With this in mind, the present patent application is specifically set forth.

SUMMERY OF THE UTILITY MODEL

The application insert the endoscope subassembly of installation handle and applied this handle upside down, its design aim at solve the not enough and propose a novel elasticity butt joint surgical instruments's handle that above-mentioned prior art exists, use this handle can insert the formula from the front backward to implant surgical instruments along endoscope apparatus passageway from the front to the back to realize implanting various types and the surgical instruments of size in a flexible way, correspondingly reduce the restriction that receives the endoscope size, compromise wicresoft and treatment, improve operation efficiency and operation success rate.

In order to achieve the design purpose, the inverted installation handle comprises an insertion part and a connecting part which are connected in a T shape, wherein the insertion part is provided with a hollow cavity allowing a surgical instrument to be inserted and pass through, and the connecting part is provided with a cavity communicated with the hollow cavity; a push rod is arranged in the cavity of the connecting part, one end of the push rod extends to the outside of the connecting part, the other end of the push rod is connected with a spring, and the other end of the spring is pressed against the closed inner end of the cavity connected to the connecting part; the push rod is provided with a clamping groove which is arranged corresponding to one end of the hollow cavity of the insertion part.

Further, the clamping groove comprises a first clamping groove with a larger inner diameter size and a second clamping groove with a smaller inner diameter size.

Further, the push rod is overlapped with the axial center line of the hollow cavity.

By applying the structural design and the connection mode of the inverted installation handle, the application also provides an endoscope assembly which comprises a spinal endoscope, a surgical instrument with a rod body implanted into an instrument channel of the endoscope, and the inverted installation handle; the rod body of the surgical instrument is inserted into the endoscope instrument channel and then is reversely inserted from front to back to be installed on the reverse insertion installation handle 10; the surgical instruments include, but are not limited to, a 45 ° spatula, a 90 ° forward pushing spatula, a square chisel, a No. 9 reamer, and a No. 8 reamer.

Furthermore, the surgical instrument comprises a working end and a rod body which are connected with each other, and an annular groove is formed in a socket at the rear end of the rod body.

In summary, the reverse-insertion mounting handle and the endoscope assembly applying the handle have the following advantages:

1. the application provides to insert the combination use that the installation handle was applied to surgical instruments and implants the endoscope upside down, can solve burden and risk that cause the patient when clinical operation because of the restriction of endoscope size, realizes compromising wicresoft and treatment, and operation efficiency is higher.

2. The handle adopts the elastic splicing connection mode, so that the installation of the instrument is simple, convenient and feasible, the connection is stable and reliable, the falling of the instrument after the endoscope is implanted is effectively avoided, and safety accidents are avoided.

3. The reverse insertion installation handle has stronger controllability, can be safely inserted into narrow space such as around a dural sac without touching other nerve tissues after being inserted with surgical instruments, and is favorable for relieving the pain of patients.

4. The reverse insertion installation handle can be used based on the endoscope with smaller size, so that the size of a wound of a patient can be reduced, and the postoperative recovery period can be shortened.

5. Based on the inverted installation handle and the endoscope assembly applying the handle, a doctor can be effectively helped to flexibly and objectively implement treatment according to the type, the range and the lesion degree of lesion tissues, the characteristics and the skills of the doctor can be favorably exerted, and the success rate of the operation is high.

Drawings

The design of the present application will now be further described with reference to the following figures.

FIGS. 1-1 and 1-2 are schematic structural views of the inverted installation handle from different viewing angles, respectively;

FIG. 2 is a schematic view of an inverted installation handle used in combination with various instruments;

FIGS. 3-1 and 3-2 are schematic views of the reverse insertion instrument with its attachment end;

FIGS. 4-1 and 4-2 are cross-sectional views of the inverted installation handle in locked and unlocked states;

FIG. 4-3 is an enlarged schematic view of section A of FIG. 4-1;

FIG. 4-4 is an enlarged schematic view of section B of FIG. 4-2;

FIG. 5 is a schematic view of an endoscope;

FIG. 6 is a schematic view of an inverted insertion assembly instrument;

FIG. 7 is a schematic view of an inverted mounted endoscope assembly performing a surgical procedure on the spinal column;

Detailed Description

Further advantages and features of the present application can be derived from the following description, with reference to the embodiments set forth in detail in the accompanying drawings.

EXAMPLE 1 an endoscope assembly as described herein is applicable to spinal surgical procedures and includes an inverted installation handle 10, a spinal endoscope 20, and a surgical instrument 30 inserted into the inverted installation handle 10 in an inverted installation after implantation in an instrument channel of the endoscope.

As shown in fig. 2, the surgical instruments 30 include, but are not limited to, a 45 ° spatula a, a 90 ° push-forward spatula b, a square chisel c, a No. 9 reamer d, and a No. 8 reamer e.

As shown in fig. 1-1 to 4-4, the inverted installation handle 10 includes an insertion portion 1 and a connection portion 2 connected in a T shape, the insertion portion 1 has a hollow cavity 3 allowing a surgical instrument 30 to be inserted therethrough, and the connection portion 2 has a cavity 4 communicating with the hollow cavity 3;

a push rod 5 is arranged in a cavity 4 of the connecting part 2, one end of the push rod 5 extends to the outside of the connecting part 2, the other end of the push rod 5 is connected with a spring 6, and the other end of the spring 6 is pressed against and connected with the closed inner end of the cavity 4 of the connecting part 2;

the push rod 5 is provided with a clamping groove 7 which is arranged corresponding to one end of the hollow cavity 3 of the insertion part 1.

When the push rod 5 is pressed, the clamping groove 7 moves along the axial center of the cavity 4 along with the push rod 5 through the elastic adjustment of the spring 6. When the rod 32 of the surgical instrument 30 is inserted into the slot 7, the radial snap-fit positioning of the surgical instrument 30 is realized, that is, the socket 31 at the rear end of the surgical instrument 30 is clamped, and the surgical instrument 30 is stably clamped inside the cavity 4 of the inverted installation handle 10 by virtue of the friction force between the two, and finally, the surgical instrument 30 is stably inverted and connected to the handle and forms a therapeutic tool integral body with the handle.

Further, the locking groove 7 includes a first locking groove 71 having a larger inner diameter and a second locking groove 72 having a smaller inner diameter and an inner diameter slightly smaller than the outer diameter of the shaft 32 of the surgical instrument 30.

When the push rod 5 is pressed, the first clamping groove 71 moves forward along the axial center of the cavity 4 along with the push rod 5 through the elastic adjustment of the spring 6, and the rod body 32 of the surgical instrument 30 can be smoothly inserted into the first clamping groove 71 from the hollow cavity 3 of the insertion part 1; once the push rod 5 is loosened, the spring 6 applies reverse reset elasticity, the first clamping groove 71 moves reversely along the axial center of the cavity 4, at the moment, the socket 31 at the end part of the rod body 32 can slide into the second clamping groove 72 from the first clamping groove 71, and the inner diameter of the second clamping groove 72 is slightly smaller than the outer diameter of the rod body 32, so that the socket 31 is stably clamped, and the surgical instrument 30 is connected to the handle in a reverse insertion mode; when the push rod 5 is pressed again, the first locking groove 71 moves forward along with the push rod 5 again, the socket 31 is pushed back into the first locking groove 71 from the second locking groove 72, and the socket 31 can be easily drawn out of the first locking groove 71 due to the large inner diameter of the first locking groove 71, so that the surgical instrument 30 can be drawn out and replaced from the insertion part 1 of the reverse insertion installation handle 10.

As shown in fig. 2, 3 and 6, the surgical instrument 30, regardless of its configuration, has a working end that is significantly larger than the shaft 32, so that the inverted installation handle 10 designed as described above can be used in combination with existing spinal endoscopes of smaller dimensions. That is, the shaft 32 of the relatively thin surgical instrument 30 is implanted from the anterior to posterior direction from the instrument channel of the spinal endoscope 20 and then inserted into the inverted installation handle 10 at the posterior end of the spinal endoscope 20. Since the larger sized working end is not implanted into, passed through the front end of the instrument channel of the endoscope 20, the spinal endoscope can be used in combination with existing various surgical instruments even though the instrument channel has a smaller outer diameter.

Further, the surgical instrument 30 includes a working end 33 and a rod 32 connected to each other at a front end, and a ring-shaped groove 34 is formed at the socket 31 at a rear end of the rod 32. When the surgical instrument 30 is inserted into the cavity 4 of the connecting portion 2, the groove 34 slides in and switches between the first locking groove 71 and the second locking groove 72 to clamp or release the rod 32, so that the clamping and locking effect on the surgical instrument 30 is better.

As shown in fig. 7, when the spinal intervertebral disc fusion operation is performed by using the endoscope assembly including the inversely inserted handle 10, the different working ends of the surgical instrument 30 can be flexibly and conveniently replaced, that is, in the clinical treatment process, the doctor can conveniently select instruments such as a 45-degree spatula a, a 90-degree forward-pushing spatula b, a square chisel c, a 9-degree reamer d, a 8-degree reamer e and the like to perform treatment according to the type, the range and the lesion degree of lesion tissues, so that the operation efficiency is high.

Based on the spine endoscope surgical instrument assembly used in combination, under the condition of endoscope direct vision, doctors can correspondingly process according to the disease focus conditions, the processing degree can be controlled by the doctors, the trial difficulty is obviously reduced, and the success rate of surgical treatment is increased.

In summary, the embodiments presented in connection with the figures are only preferred. Those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention.

Claims

1. The utility model provides an insert installation handle upside down which characterized in that: the surgical instrument insertion device comprises an insertion part and a connecting part which are connected in a T shape, wherein the insertion part is provided with a hollow cavity allowing a surgical instrument to be inserted and pass through, and the connecting part is provided with a cavity communicated with the hollow cavity;

a push rod is arranged in the cavity of the connecting part, one end of the push rod extends to the outside of the connecting part, the other end of the push rod is connected with a spring, and the other end of the spring is pressed against the closed inner end of the cavity connected to the connecting part;

the push rod is provided with a clamping groove which is arranged corresponding to one end of the hollow cavity of the insertion part.

2. The inverted installation handle of claim 1, wherein: the clamping groove comprises a first clamping groove with a larger inner diameter size and a second clamping groove with a smaller inner diameter size.

3. The inverted installation handle of claim 2, wherein: the axial central line of the push rod and the hollow cavity is overlapped.

4. An endoscope assembly incorporating an inverted mounting handle according to any of claims 1 to 3, wherein: comprises a spinal endoscope, a surgical instrument with a rod body implanted into an instrument channel of the spinal endoscope, and the inverted installation handle;

after a rod body of the surgical instrument is implanted into an endoscope instrument channel, the surgical instrument is reversely inserted from front to back to be installed on the reverse insertion installation handle;

the surgical instrument comprises a 45-degree spatula, a 90-degree forward pushing spatula, a square chisel, a No. 9 reamer or a No. 8 reamer.

5. An endoscope assembly according to claim 4 and wherein: the surgical instrument comprises a working end and a rod body which are connected with each other, and an annular groove is formed in a socket at the rear end of the rod body.