CN114848051A

CN114848051A - Endoscope retractor and using method thereof

Info

Publication number: CN114848051A
Application number: CN202210477683.4A
Authority: CN
Inventors: 吴铭; 王伟清; 唐一明; 皮君红
Original assignee: Changzhou Anker Medical Technology Co ltd
Current assignee: Changzhou Anker Medical Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-05

Abstract

The invention relates to the technical field of medical instruments, in particular to an endoscope retractor and a using method thereof, wherein the endoscope retractor comprises a center rod, the head of the center rod is connected with a puncture cutter head; the central sleeve is sleeved on the periphery of the central rod; the outer sleeve is sleeved on the central sleeve; the crank is arranged between the central sleeve and the outer sleeve and respectively arranged on two opposite side surfaces of the central sleeve; the locking mechanism comprises a locking push handle, a handle and an anti-rotation sleeve, one end of the anti-rotation sleeve is connected with the head of the outer sleeve, the other end of the anti-rotation sleeve is arranged inside the handle, and the locking push handle sequentially penetrates through the handle and the anti-rotation sleeve and is connected with the central rod. The invention adopts the special puncture tool bit, can improve the puncture effect and avoid damaging tissues or organs, can utilize the anti-rotation sleeve to lock in time after locking the push handle to rotate, is convenient for stabilizing the expanded crank, improves the convenience of operation, reduces the professional requirements on operators, and has high practicability.

Description

Endoscope retractor and using method thereof

Technical Field

The invention relates to the technical field of medical instruments, in particular to an endoscope retractor and a using method thereof.

Background

The laparoscopic surgery is a newly developed minimally invasive method for replacing open surgery, can be applied to surgical patients under the condition of no pain, can directly and clearly observe the conditions in abdominal cavities of the patients, know pathogenic factors and simultaneously check or treat abnormal conditions, and has the characteristics of small wound, few complications, safety and quick recovery.

The retractor is also called a draw hook, has specifications of various shapes and sizes, can select a proper draw hook according to operation needs, can be divided into a handheld type and an automatic type according to a use method, is mainly used for operations of gynecology, general surgery, urology, colorectal and the like, is used for contracting internal tissues and organs of intestinal tracts, stomachs or livers, can retract tissues and expose an operation range, is convenient to explore and operate, and is often matched with an endoscope for use.

Endoscopic retractors currently on the market are difficult to penetrate tissue, require the use of sharp piercing assemblies, and are prone to damage tissue and organs during use. In addition, endoscope retractor components in the market are easy to slide, cannot be locked quickly after entering a body cavity, and have high requirements on professional ability of operators.

Disclosure of Invention

The invention aims to provide an endoscope retractor and a using method thereof, which aim to solve the problems in the background technology.

The invention is realized by the following technical scheme:

an endoscopic retractor comprising:

the center rod is used for supporting other components, and the head of the center rod is connected with a puncture tool bit;

the central sleeve is sleeved on the periphery of the central rod;

the outer sleeve is sleeved on the central sleeve;

the crank is arranged between the central sleeve and the outer sleeve and respectively arranged on two opposite side surfaces of the central sleeve;

the locking mechanism comprises a locking push handle, a handle and an anti-rotation sleeve, one end of the anti-rotation sleeve is connected with the head of the outer sleeve, the other end of the anti-rotation sleeve is arranged inside the handle, and the locking push handle sequentially penetrates through the handle and the anti-rotation sleeve and is connected with the central rod.

Preferably, the outer sleeve is provided with a groove for accommodating the crank.

Preferably, a fixing block is arranged outside the crank and used for connecting the crank and the central sleeve.

Preferably, the crank is provided as a carbon fiber crank.

Preferably, a sealing ring is arranged between the central rod and the central sleeve, and the sealing ring is sleeved on the central rod.

Preferably, the outer sleeve is connected with the anti-rotation sleeve through a connecting sleeve.

Preferably, the outer sleeve is connected with the connecting sleeve through a connecting pin.

Preferably, the surface of the locking push handle is provided with a lock catch, and the surface of the handle is provided with a viewing window for observing the rotation angle of the locking push handle.

The invention also provides a use method based on the endoscope retractor, which specifically comprises the following steps:

s1, before use, the push handle is positively rotated to a set angle and then locked by the anti-rotation sleeve, and at the moment, the lock catch position cannot be observed through the view window;

s2, when the endoscope retractor is used, the locking push handle and the handle are held by hands, a puncture tool bit is used for penetrating tissues to enter a body cavity, the locking push handle is rotated reversely to restore the original position, the locking is released, the locking push handle is pulled outwards to open the crank, the locking push handle is rotated forwardly to a set angle and then locked by the anti-rotation sleeve, the endoscope retractor is integrated after being locked, the endoscope retractor is rotated to lift specified tissues and organs, and the operation range is exposed.

Preferably, the set rotation angle of the locking push handle lock is 45 °.

Compared with the prior art, the invention has the beneficial effects that:

1. the puncture assembly adopts a special puncture tool bit, is different from a blunt head in the current market, can improve the puncture effect, avoids the damage to tissues or organs caused by the matched puncture assembly, and effectively improves the use effect.

2. The carbon fiber crank retractable in the outer sleeve is adopted, so that after the instrument enters a body cavity, the outer surface of the crank can be effectively prevented from damaging tissues or organs in the cavity, and the safety is high during use.

3. The anti-rotation device comprises the anti-rotation sleeve, the locking push handle can be locked in time after being locked to rotate, the expanded crank is convenient to stabilize, the operation convenience is improved, and the professional requirements on operators are reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments are briefly introduced below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an assembly structure of the present invention;

fig. 2 is an exploded view of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

as shown in fig. 1-2, the present embodiment provides an endoscopic retractor comprising:

the device comprises a central rod 1 for supporting, wherein the head of the central rod 1 is connected with a puncture tool bit 2 through a connecting pin;

the central sleeve 3 is sleeved on the periphery of the central rod 1, a sealing ring 10 is arranged between the central rod 1 and the central sleeve 3, the sealing ring 10 is sleeved on the central rod 1, and the sealing ring 10 can prevent air leakage and avoid influencing the established pneumoperitoneum;

the outer sleeve 4 is sleeved on the central sleeve 3;

the crank 5 is arranged between the central sleeve 3 and the outer sleeve 4, the crank 5 is respectively arranged on two opposite side surfaces of the central sleeve 3, and the outer sleeve 4 is provided with a groove for accommodating the crank 5;

locking mechanical system, push away handle 6, handle 7 and rotating-proof cover 8 including the locking, the one end of rotating-proof cover 8 is connected with the head of outer tube 4, and inside handle 7 was located to the other end of rotating-proof cover 8, the surface of handle 7 was provided with the window of looking that is used for observing locking and pushes away handle 6 rotation angle, and locking pushes away handle 6 and passes handle 7, rotating-proof cover 8 in proper order and is connected with well core rod 1, and the surface that locking pushed away handle 6 still is provided with the boss as operating button, be provided with on the handle 7 with the cell body that the boss corresponds can release locking after pressing the boss and push away handle 6 fast.

The embodiment also provides a use method based on the endoscope retractor, which comprises the following steps:

s1, before use, after the push handle 6 is locked by rotating forward by 45 degrees, the lock catch is matched with the anti-rotation sleeve 8 to realize locking, and at the moment, the lock catch position cannot be observed through the view window on the surface of the handle 7;

s2, when the puncture needle is used, the push handle 6 and the handle 7 are locked by hands, the puncture tool bit 2 connected with the head of the central rod 1 is used for puncturing tissues to enter a body cavity, at the moment, the crank 5 is contracted in the groove of the outer sleeve 4, the tissues or organs in the cavity can be effectively prevented from being damaged by the outer surface of the crank 5, and the safety in use is improved. The locking push handle 6 is locked to be restored by rotating the lock catch by 45 degrees in the reverse direction, the anti-rotation sleeve 8 is disengaged by the lock catch, the locking is released, then the locking push handle 6 is pulled outwards, the crank 5 is opened, the locking push handle 6 is locked to be a set angle by rotating the lock catch by 45 degrees in the forward direction, the locking is realized by the anti-rotation sleeve 8 matched with the lock catch, the endoscope retractor is integrated after being locked, the endoscope retractor is rotated to lift a specified tissue organ, and the operation range is exposed;

s3, after use, the endoscopic retractor is rotated to restore the tissue and organ to the original position, then the locking push handle 6 is restored to the original position by rotating the endoscopic retractor in the reverse direction for 45 degrees, the locking push handle 6 is pushed inwards, the crank 5 is contracted into the groove of the outer sleeve 4, and at the moment, the endoscopic retractor is drawn out.

Example 2:

as shown in fig. 1-2, the present embodiment is different from embodiment 1 in that: the crank 5 is a carbon fiber crank, a fixing block 9 is arranged outside the crank 5, the fixing block 9 is used for connecting the crank 5 and the central sleeve 3, the outer sleeve 4 is connected with the anti-rotation sleeve 8 through a connecting sleeve 11, the outer sleeve 4 is connected with the connecting sleeve 11 through a connecting pin, and the rest is the same as that of the embodiment 1.

The invention adopts a special puncture tool bit, is different from a blunt head in the current market, can improve the puncture effect and avoid damaging tissues or organs, can be locked in time by using the anti-rotation sleeve after the push handle is locked and rotated, is convenient for stabilizing the expanded crank, improves the convenience of operation, reduces the professional requirements on operators, and has high practicability.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. 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 the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An endoscopic retractor, comprising:

the central sleeve is sleeved on the periphery of the central rod;

the outer sleeve is sleeved on the central sleeve;

2. The endoscopic retractor of claim 1, wherein said outer cannula has a groove formed therein for receiving a crank.

3. The endoscopic retractor according to claim 1, wherein a fixing block is provided outside said crank for connecting the crank with the central cannula.

4. The endoscopic retractor of claim 2, wherein said crank is provided as a carbon fiber crank.

5. The endoscopic retractor of claim 1, wherein a sealing ring is disposed between the central rod and the central sleeve, the sealing ring being fitted over the central rod.

6. The endoscopic retractor according to claim 1, wherein said overtube is connected to said anti-rotation sleeve by a connection sleeve.

7. The endoscopic retractor according to claim 6, wherein said overtube is connected to the connection sleeve by a connection pin.

8. The endoscopic retractor of claim 1, wherein a surface of said handle is provided with a viewing window for viewing the rotation angle of the locking push handle.

9. Use method of an endoscopic retractor according to any one of claims 1 to 8, comprising in particular the following steps:

s1, before use, the push handle is positively rotated to a set angle and then locked, and at the moment, the lock catch position cannot be observed through the view window;

s2, when the endoscope retractor is used, the locking push handle and the handle are held by hands, the puncture cutter head is used for penetrating tissues to enter a body cavity, the locking push handle is rotated reversely to restore the original position, the locking is released, the locking push handle is pulled outwards to open the crank, the locking push handle is rotated forwardly to a set angle and then locked, the endoscope retractor is integrated after locking, the endoscope retractor is rotated to lift specified tissue organs, and the operation range is exposed.

10. Use of the endoscopic retractor of claim 9 wherein the set rotation angle of the locking push handle lock is 45 °.