CN114869205A - Endoscope operation sheath and endoscope operation equipment - Google Patents

Endoscope operation sheath and endoscope operation equipment Download PDF

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Publication number
CN114869205A
CN114869205A CN202210445383.8A CN202210445383A CN114869205A CN 114869205 A CN114869205 A CN 114869205A CN 202210445383 A CN202210445383 A CN 202210445383A CN 114869205 A CN114869205 A CN 114869205A
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CN
China
Prior art keywords
sheath
working channel
endoscope
working
operating
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Pending
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CN202210445383.8A
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Chinese (zh)
Inventor
曾宪久
郭俊敏
朱瑾
段竣豪
林恒
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Leo Medical Co ltd
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Leo Medical Co ltd
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Priority to CN202210445383.8A priority Critical patent/CN114869205A/en
Publication of CN114869205A publication Critical patent/CN114869205A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
    • A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00066—Proximal part of endoscope body, e.g. handles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/273—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/00296—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means mounted on an endoscope
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Endoscopes (AREA)

Abstract

The invention relates to the technical field of medical instruments, and provides an endoscope operating sheath which comprises a sheath tube body and an operating part arranged on the sheath tube body, wherein a first working channel and a second working channel are formed inside the sheath tube body, a tube mirror assembly capable of extending into a common bile duct, a common hepatic duct, a pancreatic duct or a small branch cavity duct at the far end is arranged in the first working channel in a penetrating manner, a working instrument is arranged in the second working channel in a penetrating manner, and a forceps lifting assembly used for controlling the bending of the tube mirror assembly and the working instrument is arranged at the head end part of the sheath tube body. When a doctor uses the endoscopic surgery equipment of the endoscopic surgery sheath to perform surgery on a patient, secondary injury of X-rays to the doctor and the patient can be avoided. Moreover, the tube mirror assembly is adopted to closely observe the lesion position, the resolution of the obtained image is high, and the accuracy and the efficiency of the examination of a doctor can be improved; the endoscope operation sheath can be used for one time, and the risk of cross infection in the operation can be avoided.

Description

Endoscope operation sheath and endoscope operation equipment
Technical Field
The disclosure relates to the technical field of medical instruments, in particular to an endoscope operating sheath and an endoscope operating device.
Background
An endoscopic retrograde cholangiopancreatography ERCP is one of the main means for minimally invasive treatment of the biliary pancreatic diseases at present, an endoscope is inserted into a duodenum descending part through the mouth, enters a bile duct or a pancreatic duct through a duodenal papilla guide special instrument, contrast agent is injected under X-ray fluoroscopy, a sub-endoscope/ultrasonic probe is guided into the bile duct or the pancreatic duct for observation, diagnosis of the biliary and pancreatic diseases is completed, and a general name of a technology for implementing corresponding interventional treatment on the basis of diagnosis is provided.
In particular applications, and in particular in digestive surgery, interventional surgical treatment using a duodenoscope system is currently a popular approach. Specifically, as shown in fig. 1, a working channel 011 with an opening at one end located at the end of a lens is formed inside the duodenoscope 01, the end of the lens has a forceps 012 and a lens device 013 for observation, and in a specific use process, the working device 02 extends out of the duodenoscope 01 through the opening of the working channel 011 and then extends into the common bile duct, common hepatic duct or pancreatic duct for operation.
During a specific operation, a doctor operates the duodenoscope under the image guidance of a monitor, the duodenoscope passes through a mouth, an esophagus and a stomach and reaches the papilla of the duodenoscope, the outer diameter of the duodenoscope is too large and cannot enter a common bile duct, a common hepatic duct, a pancreatic duct and a distal small branch orifice through a duodenal papilla opening, so the doctor needs to control the direction by means of a working channel 011 of the duodenoscope and a forceps 012, further insert a working instrument 02 into a catheter, inject a contrast medium into the common bile duct, the common hepatic duct, the pancreatic duct and the distal small branch orifice, and then develop and image by an X-ray machine, further determine the position of a calculus and a narrow lumen, and the whole course of a subsequent operation is operated and treated under X-rays.
Thus, in existing ERCP procedures, doctors and patients frequently absorb harmful X-ray radiation and, because duodenoscopes are repetitive instruments, there is a risk of cross-infection during the procedure.
Therefore, it is one of the technical problems that needs to be solved by those skilled in the art to provide an endoscopic sheath and an endoscopic surgical device for surgical injuries with less radiation hazard to doctors and patients and less risk of cross-infection.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings in the prior art, the present application aims to provide an endoscopic sheath and an endoscopic surgical device, which can reduce radiation damage to a doctor and a patient during surgery and can reduce the risk of cross-infection during surgery. The specific scheme is as follows:
the invention provides an endoscope operating sheath which comprises a sheath tube body and an operating part arranged on the sheath tube body, wherein a first working channel and a second working channel are formed inside the sheath tube body, a duct mirror assembly capable of extending into a common bile duct, a common hepatic duct, a pancreatic duct or a tiny branch duct at the far end is arranged in the first working channel in a penetrating manner, a working instrument is arranged in the second working channel in a penetrating manner, and a forceps lifting assembly used for controlling the duct mirror assembly and the working instrument to bend is arranged at the head end part of the sheath tube body.
The sheath tube body of the endoscope operation sheath provided by the invention is provided with a first working channel and a second working channel, wherein a tube mirror assembly penetrating through the first working channel can extend into a common bile duct, a common hepatic duct, a pancreatic duct or a distal small branch cavity, and in the specific use process, the operation part controls the action of the forceps lifting device assembly, so that the tube mirror assembly penetrating through the first working channel can be controlled to bend and lift, a doctor can directly observe the opening positions of the inner part of a duodenum and a papilla of the duodenum through the tube mirror assembly, the observation function same as that of a duodenoscope side-view mirror is achieved, and the current duodenoscope is replaced; moreover, after a doctor extends the tube mirror assembly in the first working channel into a common bile duct, a common hepatic duct, a pancreatic duct or a small branch duct at the far end, the doctor can observe the accurate position of the calculus and the lesion stricture directly, and then inserts a corresponding working instrument into the working duct of the tube mirror assembly to diagnose and treat the calculus and the stricture; in a specific operation process, the working instrument can be pulled out from the working cavity of the tube mirror assembly, and other instruments can be replaced for use. Meanwhile, the working instrument passed by the second working channel of the sheath tube body can perform operations such as papilla incision and stone removal according to different types of instruments.
When a doctor uses the endoscopic surgery equipment of the endoscope operation sheath to perform surgery on a patient, the tube mirror assembly which is arranged through the first working channel of the sheath tube body can be used for performing direct-view observation on the choledochus, the hepatic duct, the pancreatic duct or the tiny branch cavity channel at the far end, the patient does not need to be injected with a contrast agent and an X-ray machine to perform scanning imaging, and then the secondary injury of X-rays to the doctor and the patient can be avoided. In addition, the tube lens assembly is adopted to closely observe the lesion position, the resolution of the obtained image is high, objective adverse factors caused by low imaging resolution of an X-ray machine can be avoided, and the accuracy and the inspection efficiency of the doctor inspection can be improved; in addition, the endoscope operation sheath can be used for one time, and further, the risk of cross infection in the operation can be avoided.
In addition, the endoscope operation sheath is provided with the tube mirror assembly in the first working channel in a penetrating manner, so that a whole set of duodenoscope, a camera system host and a display system (a light source device and an image processing device) can be purchased by a medical institution, and the operation cost can be reduced.
Of course, in the endoscope operating sheath provided by the present application, based on the partial functions of the endoscopic assembly in the first working channel and the experience habits of the doctor, the surgical equipment already provided in the hospital may be selected as the working instrument in the second working channel, and the functions of the already provided surgical equipment may be matched with at least part of the functions of the endoscopic assembly in the first working channel to perform the operation, and if only the illumination and observation functions of the endoscopic assembly may be used, the existing surgical equipment selected in the second working channel may be the equipment used for injecting the contrast medium into the common bile duct, the common hepatic duct, the pancreatic duct and the fine branch at the distal end, so that the doctor can complete the operation by combining the old equipment when just contacting the endoscope operating sheath, and simultaneously, the doctor can learn and adapt gradually.
Preferably, the ductal mirror assembly is a cholecystoscope.
Preferably, the external diameter of the cholecystoscope is 5-11 Fr.
Preferably, the outer diameter of the sheath body is less than 13.5 mm.
Preferably, the operating portion is provided with a sheath body bending control device.
Preferably, the forceps-lifting assembly comprises:
the first pliers lifting device is used for controlling the bending angle of the tube mirror assembly;
and the second forceps lifter is used for controlling the bending angle of the working instrument.
Preferably, the bending angle of the tube mirror assembly is 0-120 °.
Preferably, the operating portion is provided with a first and a second forceps-raising device.
Preferably, the first working channel and the second working channel are arranged non-vertically.
Preferably, the operating part is arranged at the outer end of the sheath body, and the operating part is provided with a first working channel inlet and a second working channel inlet.
Meanwhile, the application also provides endoscopic surgery equipment, and the endoscopic surgery equipment comprises the endoscopic surgery sheath provided by any one of the technical schemes.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic representation of a prior art procedure using a duodenoscope;
FIG. 2 is a schematic structural view of an operating sheath of an endoscope according to an embodiment of the present disclosure;
fig. 3 is a schematic view of an operation performed by using an endoscope operating sheath provided in an embodiment of the present application.
01, duodenoscope; 011, a working channel; 012, lifting the pincer; 013, a lens device; 02, working equipment; 1, a sheath tube body; 11, a first working channel; 12, a second working channel; 13, lifting the pincer assembly; 131, a first pincer lifter; 132, a second forceps lifter; 2. a working apparatus; 3, a tube mirror assembly; 31, a working instrument; 4, an operation part; 41, a first clamp lifter control device; 42, a second clamp lifter control device; 43, first working channel entrance; 44, a second working channel inlet; and 5, a sheath tube body bending control device.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As mentioned in the background art, the endoscope operation sheath and the endoscope operation device are provided, aiming at the problems that in the prior art, doctors and patients are easily injured by secondary radiation and cross infection risks exist in the operation because the duodenoscope is adopted for ERCP operation, the endoscope operation sheath can avoid the secondary injury of X-rays to the doctors and patients, in addition, the accuracy and the inspection efficiency of doctor inspection can be improved, and the cross infection risks in the operation can be avoided.
Referring to fig. 2 and fig. 3, fig. 2 is a schematic structural diagram of an endoscope operating sheath according to an embodiment of the present application; fig. 3 is a schematic view of an operation performed by using an endoscope operating sheath provided in an embodiment of the present application.
The embodiment of the application provides an endoscope operation sheath, including sheath pipe body 1 with set up in the operation portion 4 of sheath pipe body 1, 1 inside first working channel 11 and the second working channel 12 of being formed with of sheath pipe body, wear to be equipped with the tube mirror subassembly 3 that can stretch into in the tiny branch's cavate of common bile duct, common hepatic duct, pancreatic duct or distal end in the first working channel 11, second working channel 12 is used for wearing to establish working apparatus 2, the head end portion of sheath pipe body 1 is equipped with and is used for control the crooked pincers ware subassembly 13 of lifting of tube mirror subassembly 3 and working apparatus 2.
The sheath tube body 1 of the endoscope operation sheath provided by the invention is provided with a first working channel 11 and a second working channel 12, wherein a tube mirror assembly 3 penetrating through the first working channel 11 can extend into a common bile duct, a common hepatic duct, a pancreatic duct or a distal small branch cavity, and in the specific use process, the operation part 4 controls the action of a forceps lifting device assembly 13, so that the tube mirror assembly 3 in the first working channel 11 is controlled to be bent and lifted, a doctor can directly observe the opening positions of the duodenum inside and the duodenal papilla through the tube mirror assembly 3, the observation function same as that of a duodenoscope side view mirror is realized, and the current duodenoscope is replaced; moreover, after the duct mirror assembly 3 in the first working channel 11 is extended into the common bile duct, the common hepatic duct, the pancreatic duct or the distal small branch duct, the accurate position of the calculus and the lesion stricture can be observed directly, and then the working duct of the duct mirror assembly 3 itself is inserted into the corresponding working instrument 31 to diagnose and treat the calculus and the stricture, as shown in fig. 3; in a specific operation process, the working instrument can be pulled out from the working cavity of the tube mirror assembly, and other instruments can be replaced for use. Meanwhile, the working apparatus 2 through which the second working channel 12 of the sheath body 1 passes can perform operations such as mammotomy and stone removal according to different types of apparatuses, and when the second working channel 12 is used to insert the working apparatus 2, the diameter of the working channel is large because the second working channel 12 is an independent working channel, and the treatment capacity of the working apparatus 2 is greatly enhanced.
When a doctor uses the endoscopic surgery equipment of the endoscope operation sheath to perform surgery on a patient, the endoscope component 3 which is arranged through the first working channel 11 of the sheath tube body 1 can perform direct-view observation on the choledochus, the common hepatic duct, the pancreatic duct or the tiny branch cavity channel at the far end, the patient does not need to inject contrast medium and X-ray machine to scan and image, and then the secondary injury of X-rays to doctors and patients can be avoided. In addition, the tube lens assembly 3 is adopted to approach the pathological change position for observation, the resolution of the obtained image is high, objective adverse factors caused by low imaging resolution of an X-ray machine can be avoided, and the accuracy and the efficiency of examination of doctors can be improved; in addition, the endoscope operation sheath can be used for one time, and further, the risk of cross infection in the operation can be avoided.
In addition, the endoscope operation sheath is provided with the tube lens assembly 3 in the first working channel 11, so that a whole set of duodenoscope, a camera system host and a display system (a light source device and an image processing device) can be purchased by a medical institution, and the operation cost can be reduced.
In the endoscope operating sheath, the endoscope assembly 3 inserted into the first working channel 11 of the sheath tube main body 1 may be a cholecystoscope. Further, the cholecystoscope has an outer diameter of 5 to 11 Fr.
Preferably, the outer diameter of the sheath body is less than 13.5 mm.
Preferably, the operating portion is provided with a sheath body bending control device 5. The doctor can adjust the gesture of the tip of sheath body 1 through sheath body bending control device 5, and then can make sheath body 1 accurately insert to the duodenum descending part, finds the duodenal papilla position, and then ductule subassembly 3 or working instrument 2 can further stretch into the relevant position to common bile duct, common hepatic duct, pancreatic duct etc..
In an alternative embodiment, as shown in fig. 2 and 3, in the endoscope operating sheath, a forceps-raising unit 13 provided at a distal end portion of the sheath main body 1 includes:
a first gripper 131 for controlling the bending angle of the tube mirror assembly 3;
a second gripper 132 for controlling the bending angle of the work apparatus 2.
The doctor can carry out the individual control to the tube mirror assembly 3 through first lifting pincers ware 131 to, can lift pincers ware 132 through the second and control alone to the working instrument 2 in the second working channel 12, can further improve the accuracy of operation inspection, diagnosis and treatment, simultaneously, can also carry out accurate control to the work area of different instruments.
Preferably, the bending angle of the tube lens assembly 3 is 0-120 °, that is, the tube lens assembly 3 can be bent within the range of 0-120 ° under the control of the first forceps lifting device 131, so that the doctor can observe the lesion position within the range of 0-120 ° viewing angles; in addition, according to the operation requirement of the doctor, the angle of the sheath body 1 may be adjusted by the sheath body bending control device 5, and then the bending angle of the endoscope assembly 3 may be adjusted by the control of the first forceps raising device 131.
Of course, in order to facilitate the doctor to control the first and second forceps lifters 131 and 132 individually, as shown in fig. 2, the operating unit 4 is provided with a first forceps lifter control device 41 and a second forceps lifter control device 42.
In a preferred implementation manner, the sheath body 1 has a first working channel 11 and a second working channel 12 which are arranged non-vertically, so that the first forceps raising device 131 and the second forceps raising device 132 have a larger range of motion and do not interfere with each other; the working angle of the tubular mirror assembly 3 through which the first working channel 11 passes and the working angle of the working instrument 2 through which the second working channel 12 passes can have larger overlapping areas, so that the operation of a doctor is facilitated.
In an optional implementation manner, the operation portion 4 is disposed at the outer end of the sheath body 1, and a first working channel inlet 43 and a second working channel inlet 44 are disposed on the operation portion 4.
Meanwhile, the application also provides endoscopic surgery equipment, and the endoscopic surgery equipment comprises the endoscopic surgery sheath provided by any one of the technical schemes. When a doctor uses the endoscopic surgery equipment of the endoscope operation sheath to perform surgery on a patient, the endoscope component 3 integrated with the first working channel 11 and arranged on the sheath tube body 1 can perform direct-view observation on the choledochus, the common hepatic duct, the pancreatic duct and the small branch cavity channel at the far end, the patient does not need to inject contrast medium and an X-ray machine to perform scanning imaging, and then secondary damage of X-rays to the doctor and the patient can be avoided. Moreover, the tube lens assembly 3 is adopted to approach and observe the lesion position, the obtained image has high resolution, the accuracy and the efficiency of the examination of a doctor can be improved, and objective adverse factors caused by low imaging resolution of an X-ray machine can be avoided; in addition, the endoscope operation sheath can be used for one time, and further, the risk of cross infection in the operation can be avoided.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (11)

1. The utility model provides an endoscope operation sheath, its characterized in that, include the sheath pipe body with set up in the operation portion of sheath pipe body, inside first working channel and the second working channel of being formed with of sheath pipe body, wear to be equipped with the endoscope subassembly that can stretch into in the tiny branch's cavate of common bile duct, common hepatic duct, pancreatic duct or distal end in the first working channel, second working channel is used for wearing to establish the working apparatus, the cephalic component of sheath pipe body is equipped with and is used for control the forceps ware subassembly is lifted to endoscope subassembly and the bending of working apparatus.
2. The endoscope operating sheath of claim 1, wherein the bronchoscope assembly is a cholecystoscope.
3. The endoscope operating sheath according to claim 2, wherein the cholecystoscope has an outer diameter of 5 to 11 Fr.
4. The endoscope operating sheath of claim 1, wherein the sheath body has an outer diameter of less than 13.5 mm.
5. The endoscope operating sheath according to claim 1, wherein the operating portion is provided with a sheath body bending control device.
6. The endoscope operating sheath of claim 1, wherein the forceps-raising assembly comprises:
the first pliers lifting device is used for controlling the bending angle of the tube mirror assembly;
and the second forceps lifter is used for controlling the bending angle of the working instrument.
7. The endoscope operating sheath of claim 6, wherein the bending angle of the tube and scope assembly is 0-120 °.
8. The endoscope operating sheath according to claim 6, wherein the operating portion is provided with a first forceps-raising device control means and a second forceps-raising device control means.
9. The endoscope operating sheath of claim 1, wherein the first working channel and the second working channel are disposed non-perpendicularly.
10. The operating sheath for an endoscope according to any one of claims 1 to 9, wherein the operating portion is provided at an outer end of the sheath body, and the operating portion is provided with a first working channel inlet and a second working channel inlet.
11. An endoscopic surgical device comprising the endoscopic operation sheath according to any one of claims 1 to 9.
CN202210445383.8A 2022-04-26 2022-04-26 Endoscope operation sheath and endoscope operation equipment Pending CN114869205A (en)

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Application Number Priority Date Filing Date Title
CN202210445383.8A CN114869205A (en) 2022-04-26 2022-04-26 Endoscope operation sheath and endoscope operation equipment

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Application Number Priority Date Filing Date Title
CN202210445383.8A CN114869205A (en) 2022-04-26 2022-04-26 Endoscope operation sheath and endoscope operation equipment

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101732082A (en) * 2009-11-06 2010-06-16 广州宝胆医疗器械科技有限公司 Soft and hard son-mother gall bladder and choledochoscope system and using method thereof
CN101919725A (en) * 2010-08-03 2010-12-22 安瑞医疗器械(杭州)有限公司 Medical equipment of micro-invasive interventional therapy for pancreaticobiliary duct
CN110179430A (en) * 2019-06-24 2019-08-30 深圳开立生物医疗科技股份有限公司 Endoscope lift pincers device, endoscope head end and duodenoscope system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101732082A (en) * 2009-11-06 2010-06-16 广州宝胆医疗器械科技有限公司 Soft and hard son-mother gall bladder and choledochoscope system and using method thereof
CN101919725A (en) * 2010-08-03 2010-12-22 安瑞医疗器械(杭州)有限公司 Medical equipment of micro-invasive interventional therapy for pancreaticobiliary duct
CN110179430A (en) * 2019-06-24 2019-08-30 深圳开立生物医疗科技股份有限公司 Endoscope lift pincers device, endoscope head end and duodenoscope system

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