CN112263288A - Gallstone extractor for laparoscope - Google Patents

Gallstone extractor for laparoscope Download PDF

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Publication number
CN112263288A
CN112263288A CN202011454686.3A CN202011454686A CN112263288A CN 112263288 A CN112263288 A CN 112263288A CN 202011454686 A CN202011454686 A CN 202011454686A CN 112263288 A CN112263288 A CN 112263288A
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China
Prior art keywords
fixed
steel wire
connecting rod
handle
stone
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Pending
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CN202011454686.3A
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Chinese (zh)
Inventor
耿金宏
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Shanghai Jinshan Tinglin Hospital
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Shanghai Jinshan Tinglin Hospital
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Priority to CN202011454686.3A priority Critical patent/CN112263288A/en
Publication of CN112263288A publication Critical patent/CN112263288A/en
Pending legal-status Critical Current

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    • 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
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • 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
    • A61M1/0023—
    • 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
    • A61B2017/00238—Type of minimally invasive operation
    • 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
    • A61B2017/00287—Bags for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
    • A61B2017/22035—Gripping instruments, e.g. forceps, for removing or smashing calculi for retrieving or repositioning foreign objects
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B2017/3445—Cannulas used as instrument channel for multiple instruments
    • 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
    • A61B2090/0801—Prevention of accidental cutting or pricking
    • A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs

Abstract

The invention discloses a cholecystolithiasis extractor for a laparoscope, which comprises: the stone taking device comprises a baffle, a steel wire, a stone taking inlet, a steel wire connecting rod end, a steel wire fixed end, a connecting rod, a stone taking barrel, a screw base, an air leakage preventing valve, a fixed end, a fixed handle, a tension spring, a movable end and a movable handle; this gall-bladder stone extractor for peritoneoscope adopts the invention type to carry out peritoneoscope gall-bladder stone operation, and when meetting the gall-bladder stone great, can not directly take out from peritoneoscope operation incision, the steel wire and the baffle of this apparatus head end can be sent into the calculus with the calculus and get a stone section of thick bamboo in, directly take out the calculus of great difficult getting from the incision, obviously practice thrift operation time, improve the operation security.

Description

Gallstone extractor for laparoscope
Technical Field
The invention relates to the technical field of laparoscopic surgery application, in particular to a gallstone extractor for a laparoscope.
Background
The development of modern medicine, minimally invasive surgery has been the development direction of surgical operation at present, and minimally invasive surgery has the advantages of small wound, quick recovery and less pain, and has become the object and the direction which are jointly pursued by modern medicine. Laparoscopic techniques are in some respects gradually replacing traditional surgery. When a patient with gall bladder stones needs surgery, a common method is minimally invasive Laparoscopic Cholecystectomy (LC), when the laparoscopic cholecystectomy is performed, a common three-hole puncture method is adopted, a puncture hole with the length of 10mm at the lower edge of a navel is an observation hole, a puncture hole with the length of 5mm at the lower edge of a right rib is an auxiliary traction hole, a puncture hole with the length of 10mm next to a xiphoid process is a main operation hole, after the gall bladder resection surgery succeeds, gall bladder and gall bladder stone specimens are loaded in a abdominal cavity under laparoscopic monitoring equipment, and are usually taken out from a surgical incision with the length of 10mm below the xiphoid process, when the gall bladder stones of the patient are larger than 10mm, the gall bladder stones cannot be directly taken out from the 10mm surgical incision at the moment, and surgeons need to think various methods to solve the problems: some operators choose to enlarge the surgical incision for removing the calculus to a surgical incision with a diameter larger than that of the cholecystolithiasis in order to conveniently remove the calculus, so that the trauma of a patient is increased, and the minimally invasive concept is not met; some operators break the stones in the abdominal cavity, change the stones into stone fragments smaller than 10mm, and then take out the stone fragments one by one from a minimally invasive incision with the length of 10 mm.
Contents of the invention
The invention aims to provide a gallstone extractor for a laparoscope, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a cholecystolithiasis extractor for laparoscopy, comprising: the stone taking device comprises a baffle, a steel wire, a stone taking inlet, a steel wire connecting rod end, a steel wire fixed end, a connecting rod, a stone taking barrel, a screw base, an air leakage preventing valve, a fixed end, a fixed handle, a tension spring, a movable end and a movable handle; the method is characterized in that: the baffle is connected with the end of the steel wire connecting rod through a steel wire; the end of the steel wire connecting rod is connected with the movable end through a connecting rod; the front end of the stone taking barrel is a stone taking inlet, and the rear end of the stone taking barrel is connected with the screw base through a screw; the air leakage prevention valve is positioned at the rear end of the screw base; one end of the tension spring is connected with the fixed end, and the other end of the tension spring is connected with the movable end; the fixed handle is a fixed handle, and the movable handle is a movable handle.
Furthermore, the baffle is in a semicircular concave surface structure at the front end of the instrument, and is fixed together with the elastic steel wire through a steel wire fixing end inside the concave surface of the baffle.
Further, the connecting rod is of a metal structure, the front end of the connecting rod is fixedly connected with an elastic steel wire through a steel wire connecting rod end, and the rear end of the connecting rod penetrates through the stone taking barrel and the screw base to be connected with the movable end.
Furthermore, the front of the hollow stone taking barrel is provided with a horn mouth structure stone taking inlet, and the rear is fixedly connected with the screw base in a rotating way.
Furthermore, the screw structure that the place ahead of screw base can be rotatory fixed with a stone section of thick bamboo is got, and there is the leak protection air valve of rubber material in the rear, and the centre has the connecting rod to pass through.
Further, the fixed handle is a handle fixed on the screw base.
Furthermore, the movable handle is a handle with one end fixed on the fixed handle through a fixed end and the other end movable.
Furthermore, one end of the tension spring is fixed on the fixed end of the fixed handle, and the other end of the tension spring is fixed on the movable end of the movable handle and has elastic force of pull back.
Compared with the prior art, the cholecystolithiasis extractor for the laparoscope is characterized in that when a cholecystolithiasis is successfully removed and a patient takes the cholecystolithiasis and the cholecystolithiasis out of an abdominal cavity, the cholecystolithiasis and the cholecystolithiasis which need to be taken out are firstly put into a sample bag in the abdominal cavity, the cholecystolithiasis are cut off in the abdominal cavity, bile in the cholecystolithiasis is sucked by a laparoscope aspirator, the cholecystolithiasis extractor for the laparoscope is applied to carry out the cholecystolithiasis extraction operation, the head end of the apparatus is put into the cholecystolithiasis sample bag in the abdominal cavity through a laparoscope puncture sleeve, the cholecystolithiasis is put into the middle of three steel wires at the head end of the apparatus, the movable handle of the apparatus is pulled by hand, the cholecystolithiasis is blocked at a baffle plate and a cholecystolithiasis extraction inlet, the cholecystolithiasis which enters the calculus removing barrel and is larger than the diameter of the calculus removing inlet can be cut and fallen off by the calculus removing inlet when the movable handle is pulled back, the operations are repeated for a plurality of times, and the cholecystolithiasis can be completely compressed and stored in the calculus removing barrel, so that the cholecystolithiasis can be more conveniently removed from the original puncture cannula opening with smaller abdomen under the condition that the original minimally invasive abdominal incision of the operation is not prolonged and enlarged. The instrument is ingenious in design, convenient to use, flexible to operate and capable of obviously saving the time for taking gallstones under a laparoscope after clinical use. The operation safety is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the reference symbols:
the stone taking device comprises a baffle 1, a steel wire 2, a stone taking inlet 3, a steel wire connecting rod end 4, a steel wire fixed end 5, a connecting rod 6, a stone taking barrel 7, a screw 8, a screw base 9, an air leakage prevention valve 10, a fixed end 11, a fixed handle 12, a tension spring 13, a movable end 14 and a movable handle 15.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the invention without making any creative effort, fall within the protection scope of the invention.
Please refer to fig. 1; the invention provides a technical scheme that:
a cholecystolithiasis extractor for laparoscopy, comprising: the stone taking device comprises a baffle 1, a steel wire 2, a stone taking inlet 3, a steel wire connecting rod end 4, a steel wire fixed end 5, a connecting rod 6, a stone taking barrel 7, a screw 8, a screw base 9, an air leakage prevention valve 10, a fixed end 11, a fixed handle 12, a tension spring 13, a movable end 14 and a movable handle 15; the method is characterized in that: the baffle 1 is connected with a steel wire connecting rod end 4 through a steel wire 2; the steel wire connecting rod end 4 is connected with the movable end 14 through a connecting rod 6; the front end of the stone taking barrel 7 is provided with a stone taking inlet 3, and the rear end is connected with a screw base 9 through a screw 8; the air leakage prevention valve 10 is positioned at the rear end of the screw base 9; one end of the tension spring 13 is connected with the fixed end 11, and the other end is connected with the movable end 15; the fixed handle 12 is a fixed handle, and the movable handle 15 is a movable handle.
Further, the baffle 1 is in a concave structure with a semicircular front end of the instrument, and is fixed together with the elastic steel wire 2 through a steel wire fixing end 5 inside the concave surface of the baffle 1.
Further, the connecting rod 6 is a connecting rod of a metal structure, the front end of the connecting rod 6 is fixedly connected with the elastic steel wire 2 through the steel wire connecting rod end 4, and the rear end of the connecting rod passes through the stone taking barrel 7 and the screw base 9 to be connected with the movable end 14.
Further, the front of the hollow stone taking barrel 7 is provided with a horn mouth structure stone taking inlet 3, and the rear is fixedly connected with the screw base 9 in a rotating way.
Further, the screw base 9 has a screw 8 structure in front of it which can be fixed with the stone-taking barrel 7, a rubber air leakage prevention valve 10 in the back, and a connecting rod 6 in the middle.
Further, the fixed handle 12 is a handle fixed on the screw base 9.
Further, the movable handle 15 has one end fixed to the fixed handle 12 through the fixed end 11, and the other end movable.
Further, the tension spring 13 has one end fixed to the fixed end 11 of the fixed handle 12 and the other end fixed to the movable end 14 of the movable handle 15, and has a resilient force of pulling back.
The invention is designed as follows:
the cholecystolithiasis stone extractor for the laparoscope has the advantages that: at present, the most common operation mode of the cholecystectomy (LC) under the clinical laparoscope is that in the operation process, a patient adopts a head-high and foot-bottom position, a left-leaning 30-degree position, a camera device is placed in a puncture cannula with the lower edge of a navel position being 10mm, the puncture cannula with the lower edge being 10mm is used as a main operation hole, the puncture cannula with the lower edge being 10mm is used as a gallbladder drawing puncture cannula at the bottom of a right-side axillary anterior line gallbladder, after the three puncture cannulas are established, the cholecystectomy operation is started, when the cholecystectomy succeeds, the gallbladder and cholecystolithiasis are put into a sample bag in an abdominal cavity, the sample bag in the abdominal cavity is cut by using laparoscopic scissors, a laparoscopic aspirator is applied to suck gallstone in the gallbladder juice, meanwhile, the gallstone in the gallbladder is put into the sample bag, and the cholecystolithiasis is usually larger than 10mm (one of gallbladder operation indications means that the gallstone, as the aperture of the abdominal puncture cannula of the patient is 10mm, the patient's gallstone can not be taken out from the incision of the 10mm minimally invasive puncture cannula made on the patient's abdomen, at this time, the gallstone extractor for laparoscope is needed to be used, the gallstone extractor for laparoscope is put into the abdominal cavity through the puncture cannula, the gallstone is put into the three steel wires 2 at the front end of the gallstone extractor, the movable handle 15 is pulled back, most of the gallstone is extruded into the stone extracting barrel 7 under the cooperation of the three steel wires 2, the baffle plate 1 and the trumpet-shaped stone extracting inlet 3 under the action of the pull back force of the connecting rod 6, the redundant stones larger than the diameter of the stone extracting inlet 3 can be cut by the stone extracting inlet 3, when the connecting rod 6 is pulled back for the first time, if larger stones or stone fragments still exist, the connecting rod 6 is released again, the gallstone can be put into the three steel wires 2 again, and the three steel wires, Under the cooperation of the horn-shaped calculus removing inlet 3, the connecting rod 6 is pulled back to compress the calculus in the calculus removing barrel 7, the calculus removing barrel is repeatedly used for a plurality of times, the large gallstone can be cut, and the gallstone can be placed into the calculus removing barrel 7 and directly taken out from the puncture cannula, and the operation time for removing the gallstone is obviously saved.
The specific connecting structure of the gallstone extractor for the laparoscope comprises: the utility model provides a cholecystolithiasis extractor for laparoscope, which is a cholecystolithiasis operation instrument for the laparoscope. Its characteristic connection structure includes: the baffle 1 is in a circular and spherical concave structure, the top end of the steel wire 2 is fixed through a steel wire fixing end 5, and the spherical diameter of the concave surface of the baffle 1 is consistent with the diameter of the stone taking inlet 3; the movable handle 15 is pulled back, and the baffle 1 can be buckled at the stone taking inlet 3 through the connecting rod 6, the steel wire connecting rod end 4 and the steel wire 2; the steel wires 2 are high-strength rigid wire materials of Mitsubishi, which have tension and can be opened by themselves, and can be opened and opened by themselves in a natural relaxation state, so that the space between the three steel wires 2 is obviously enlarged, and the gall bladder stones which are large enough can be put down. The front ends of the three steel wires 2 are fixed on the baffle plate 1 through the steel wire fixing ends 5, the diameter of the stone taking barrel 7, the stone taking inlet 3 and the baffle plate 1 can pass through a 10mm puncture casing device which is commonly used clinically, the front part of the stone taking barrel 7 is a horn-shaped stone taking inlet 3, the rear part of the stone taking barrel 7 is rotationally fixed with the screw base 9 through a screw 8, a hole diameter which is just passed by the connecting rod 6 is formed in the screw base 9, and the rear part of the screw base 9 is provided with the air leakage prevention valve 10 which is made of rubber materials, so that air in the abdominal cavity can be effectively prevented from leaking through the apparatus when the apparatus is used; the fixed handle 12 is fixed on the screw base 9, the fixed handle 12 is provided with a fixed end 11, the movable handle 15 is provided with a movable end 14 (the movable end 14 is a port which is connected with the connecting rod 6 and the tension spring 13 and can move up and down and back and forth, the fixed end 11 is a fixed port which is connected with the movable handle 15 and the tension spring 13 on the fixed handle 12, the connecting mode is a commonly-used, disclosed and technically mature connecting port method of a plurality of surgical medical instruments, the technical difficulty and the technical key point of the patent are not detailed, the movable handle 15 is fixed on the fixed end 11 of the fixed handle 12 at one end and can be controlled by hands at the other end, the movable handle 15 is provided with a movable end 14, the tension spring 13 is a spring which has tension between the movable end 14 and the fixed end 11, and can pull the connecting rod 6-steel wire 2 into the stone taking barrel 7 under the natural state, the baffle 1 is made to cover the stone extraction inlet 3.
The specific use method of the gallstone extractor for the laparoscope comprises the following steps: when the cholecystectomy operation is performed under a laparoscope, after anesthesia is successful, the operating bed is adjusted to be the position of the head of a patient, the body of the patient inclines leftwards by 30 degrees, so that the intestinal canal viscera in an abdominal cavity move leftwards and downwards, the potential risk of intestinal injury possibly caused in the operation process is prevented, and meanwhile, the full exposure of a cholecystectomy area is facilitated, the most common operation mode is that in the operation process, a camera device is placed in a puncture sleeve with the lower edge of 10mm at the navel position, the puncture sleeve with the lower edge of 10mm of the xiphoid process is a main operation hole, the puncture sleeve with the bottom of the right axillary anterior line cholecystolithiasis is a cholecystectomy puncture sleeve, after the three puncture sleeves are established, the cholecystectomy operation is started, after the cholecystolithiasis is successfully removed, the cholecystolithiasis and the cholecystolithiasis are placed in a prepared sample bag in, the laparoscopic aspirator is applied to suck and remove juice in a gallbladder inner container, and meanwhile, gallstone in the gallbladder is taken out of a gallbladder and is placed into a sample bag, wherein the gallstone is usually larger than 10mm (one of gallbladder stone operation indications means that the gallstone is larger than 20mm, and the patient is recommended to perform operation treatment), so the gallstone of the patient is large and more, and the gallstone cannot be taken out from a 10mm minimally invasive puncture cannula incision of the abdomen of the patient directly, at the moment, the gallstone extractor for the laparoscopic is required to be used for carrying out stone extraction operation, the instrument is placed into the abdominal cavity through the lower abdominal wall puncture cannula of the patient in the xiphoid process, and the gallstone is placed into a stone extraction barrel 7 of the instrument in the sample bag for carrying out stone extraction operation, and the specific use: when the instrument is used, the front end of the baffle plate 1 is in a soft and smooth convex spherical structure, the baffle plate 1 can be conveniently placed into the abdominal cavity through the puncture sleeve on the abdominal wall of a patient, the visceral organ tissues in the abdominal cavity cannot be damaged in the process of moving the instrument back and forth due to the fact that the baffle plate 1 is in a hemispherical and convex spherical structure, when the instrument is determined to be placed into a specimen bag with a gall bladder and a gall bladder in the abdominal cavity, the movable handle 15 is pushed forwards, the steel wire 2 is moved out of the stone taking inlet 3 under the thrust action of the connecting rod 6, and at the moment, under the action of external tension of the steel wire 2, when the steel wires 2 are spread and spread to the size capable of containing the gallstone, the gallstone is placed into the three spread steel wires 2, at the moment, the movable handle 15 is pulled back, the three steel wires 2 are pulled back into the stone taking barrel 7 under the action of the pulling force of the connecting rod 6, the stones placed in the three steel wires 2 are mostly compressed into the stone taking barrel 7 under the action of the baffle plate 1 and the trumpet-shaped stone taking inlet 3, and the stone part with the diameter larger than that of the stone taking inlet 3 is cut and falls off by the trumpet-shaped stone taking inlet 3; the calculus put into the calculus taking barrel 7 can be directly taken out through the puncture cannula, when the calculus is taken out again, the movable handle 15 can be pushed forwards again, the steel wire 2 is bounced open again under the action of the connecting rod 6, the large calculus can be put into the expanded steel wire 2 again, the operations are repeated, and after the operations are repeated, the gall-bladder calculus can be put into the calculus taking barrel 7. When the calculus is completely put into the calculus removing barrel 7, the movable handle 15 is pulled back, the calculus removing inlet 3 can be closed by the baffle 1 under the action of the pulling force of the connecting rod 6, and at the moment, the instrument is safely taken out of the abdominal cavity through the puncture cannula, so that calculus removing operation is completed. Makes up for the clinical absence of special lithotomy equipment, and the instrument can be sterilized by plasma.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A cholecystolithiasis extractor for laparoscopy, comprising: the stone taking device comprises a baffle, a steel wire, a stone taking inlet, a steel wire connecting rod end, a steel wire fixed end, a connecting rod, a stone taking barrel, a screw base, an air leakage preventing valve, a fixed end, a fixed handle, a tension spring, a movable end and a movable handle; the method is characterized in that: the baffle is connected with the end of the steel wire connecting rod through a steel wire; the end of the steel wire connecting rod is connected with the movable end through a connecting rod; the front end of the stone taking barrel is a stone taking inlet, and the rear end of the stone taking barrel is connected with the screw base through a screw; the air leakage prevention valve is positioned at the rear end of the screw base; one end of the tension spring is connected with the fixed end, and the other end of the tension spring is connected with the movable end; the fixed handle is a fixed handle, and the movable handle is a movable handle.
2. The cholecystolithiasis extractor for laparoscopy as claimed in claim 1, wherein: the baffle is a semicircular concave surface structure at the front end of the instrument, and is fixed together with the elastic steel wire through a steel wire fixing end inside the concave surface of the baffle.
3. The cholecystolithiasis extractor for laparoscopy as claimed in claim 1, wherein: the connecting rod is of a metal structure, the front end of the connecting rod is fixedly connected with an elastic steel wire through a steel wire connecting rod end, and the rear end of the connecting rod penetrates through the stone taking barrel and the screw base to be connected with the movable end.
4. The cholecystolithiasis extractor for laparoscopy as claimed in claim 1, wherein: the front of the hollow stone taking barrel is a horn mouth structure stone taking inlet, and the rear of the hollow stone taking barrel is fixedly connected with the screw base in a rotating mode.
5. The cholecystolithiasis extractor for laparoscopy as claimed in claim 1, wherein: the screw base is provided with a screw structure in front of which the screw structure can be rotationally fixed with the stone taking barrel, the rear of the screw structure is provided with an air leakage prevention valve made of rubber, and the middle of the screw structure is provided with a connecting rod.
6. The cholecystolithiasis extractor for laparoscopy as claimed in claim 1, wherein: the fixed handle is a handle fixed on the screw base.
7. The cholecystolithiasis extractor for laparoscopy as claimed in claim 1, wherein: the movable handle is a handle with one end fixed on the fixed handle through a fixed end and the other end movable.
8. The cholecystolithiasis extractor for laparoscopy as claimed in claim 1, wherein: the tension spring is fixed on the fixed end of the fixed handle at one end and fixed on the movable end of the movable handle at the other end, and has elastic force of pull back.
CN202011454686.3A 2020-12-13 2020-12-13 Gallstone extractor for laparoscope Pending CN112263288A (en)

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Application Number Priority Date Filing Date Title
CN202011454686.3A CN112263288A (en) 2020-12-13 2020-12-13 Gallstone extractor for laparoscope

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Application Number Priority Date Filing Date Title
CN202011454686.3A CN112263288A (en) 2020-12-13 2020-12-13 Gallstone extractor for laparoscope

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Publication Number Publication Date
CN112263288A true CN112263288A (en) 2021-01-26

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CN202011454686.3A Pending CN112263288A (en) 2020-12-13 2020-12-13 Gallstone extractor for laparoscope

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113679530A (en) * 2021-08-31 2021-11-23 南方医科大学第五附属医院 Antibacterial cleaning tool for protecting eardrum

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113679530A (en) * 2021-08-31 2021-11-23 南方医科大学第五附属医院 Antibacterial cleaning tool for protecting eardrum
CN113679530B (en) * 2021-08-31 2024-02-09 南方医科大学第五附属医院 Antibacterial cleaning tool for protecting eardrum

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