CN110269664B - Stone extractor for hepatobiliary department - Google Patents
Stone extractor for hepatobiliary department Download PDFInfo
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- CN110269664B CN110269664B CN201910650344.XA CN201910650344A CN110269664B CN 110269664 B CN110269664 B CN 110269664B CN 201910650344 A CN201910650344 A CN 201910650344A CN 110269664 B CN110269664 B CN 110269664B
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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
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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
- A61B17/22—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
-
- 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
- A61B2017/22079—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 with suction of debris
-
- 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
- A61B2017/22082—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 after introduction of a substance
- A61B2017/22084—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 after introduction of a substance stone- or thrombus-dissolving
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- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Vascular Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a stone extractor for hepatobiliary department, which comprises a shell, a micro pump, a medicament box and a control main board, wherein the bottom end of the shell is provided with an insertion pipe, the sealing plate and an inner cavity of the shell positioned at the upper part of the sealing plate form a broken stone collecting cavity, the insertion pipe is divided into a liquid suction channel and a liquid return channel by a partition plate in the insertion pipe, the micro pump and the medicament box are arranged in the shell positioned at the lower part of the sealing plate, a stone inlet structure and a stone filter structure are arranged on the sealing plate, the input end and the output end of the micro pump are respectively correspondingly connected with the liquid return channel and the stone filter structure, and the control main board is embedded in the outer wall. The invention has simple structure and easy operation, and when the crushed stone in the bile duct is taken, only a tiny operation opening is needed to insert the inserting tube, thereby reducing the damage to the bile duct of the liver to the maximum extent and relieving the pain of a patient, and bringing convenience to the operation of a doctor.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a stone extractor for hepatobiliary department.
Background
Intrahepatic bile duct calculi are one of the common diseases of the hepatobiliary department, and the most effective method for treating intrahepatic bile duct calculi is to remove the intrahepatic bile duct calculi, and in order to remove the calculi, a stone removing device is often used.
In the prior art, for example, a lithotomy device for hepatobiliary department with an authorized bulletin number CN208287047U, a novel lithotomy device for hepatobiliary surgery with an application publication number CN108720896A, a lengthened biliary lithotomy forceps with an authorized bulletin number CN207996226U, and the like are generally used, two mutually meshed and clamped rod parts or cover bodies are adopted to clamp and take out the stone, so as to take out the stone.
Disclosure of Invention
The invention aims to provide a lithotomy device for hepatobiliary department, which solves the problems in the background technology. The stone extractor for the hepatobiliary department is simple in structure and easy to operate, when stones in bile ducts are extracted, only a small operation opening is needed to be opened, the insertion tube is inserted, damage to the bile ducts of the liver can be reduced to the greatest extent, pain of patients is relieved, and accordingly convenience can be brought to operations of doctors.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a hepatobiliary department is with getting stone implement, includes casing, micropump, medicament case and control mainboard, the bottom of casing is provided with the grafting pipe, is provided with the shrouding in the casing, and this shrouding constitutes the rubble with the casing inner chamber that is located its upper portion and collects the chamber, the intraductal imbibition passageway and the liquid return passageway of dividing into of grafting pipe through the baffle is located be provided with micropump, medicament case in the casing of shrouding lower part be provided with into stone structure and straining stone structure on the shrouding, the medicament case is connected with the input of micropump, it is connected with the imbibition passageway to advance the stone structure, the input of micropump, output correspond respectively and return liquid passageway, straining stone structural connection, the control mainboard inlays the dress at the outer wall of casing, and electric connection in micropu.
Preferably, advance the stone structure and include first box, separate the separation blade, separate the top that the separation blade was installed in first box, the top that separates the separation blade is provided with elastic diaphragm, has first entrance in this centre that separates the separation blade, elastic diaphragm's inboard centre have with the shutoff piece of first entrance looks adaptation, be located and still seted up the second entrance on this shutoff piece peripheral elastic diaphragm.
Preferably, the bottom of the first box body is connected with the liquid suction channel through a first pipe, the elastic membrane is located in the broken stone collecting cavity, and the inner diameter of the second channel opening is larger than or equal to that of the first channel opening.
Preferably, the stone filter structure includes the second box, the top of second box is provided with first filter plate, and the bottom is provided with the second filter plate, first filtration pore has on the first filter plate, second filtration pore has on the second filter plate.
Preferably, the pore diameter of the second filtering pore is smaller than that of the first filtering pore.
Preferably, the chemical box is connected with the input end of the micro pump through a second pipe, and the second pipe is provided with an electromagnetic valve which is electrically connected to the control main board.
Preferably, the outer pipe wall of the insertion pipe is provided with scale marks.
Preferably, the inner diameter of the liquid suction channel is smaller than that of the liquid return channel.
Preferably, the top end of the gravel collection cavity is opened, and the opening is covered by a sealing cover.
Compared with the prior art, the invention has the beneficial effects that:
when the invention is used clinically, firstly, a medical staff holds the shell, the insertion tube is inserted into an operation part, namely the interior of a bile duct, the inserted length of the insertion tube is observed through scale marks on the insertion tube, so that the insertion tube can more accurately carry out calculus removing operation, after the insertion tube is inserted to a proper position, the micro pump is controlled to be opened through the control main board, at the moment, the elastic diaphragm expands outwards due to the generation of negative pressure, so that the blocking block is separated from the first passage port, calculus mixed in bile tissue liquid enters the calculus collecting cavity from the second passage port through the first passage port, and then the calculus is filtered by the first filter board and the second filter board through the stone filtering structure, so that the calculus is collected in the calculus collecting cavity, the bile tissue liquid is conveyed to the interior of the bile duct again, in the process, the electromagnetic valve can be controlled to be opened through the control main board, and litholytic medicine for treating hepatobiliary calculus in the medicine box, Other nutrient solution or antibiotic solution for treatment and recovery is delivered into the intrahepatic bile duct along with the bile tissue fluid after being filtered and crushed, litholytic drugs can dissolve stones in residual stones in the intrahepatic bile duct, and then the stones are collected in a crushed stone collecting cavity or are discharged out of the body along with urine of a patient, and the nutrient solution or antibiotic solution for treatment and recovery can assist in recovery of an operation part.
The invention forms a liquid loop by the bile tissue liquid in the intrahepatic bile duct through the liquid suction channel and the liquid return channel, and the bile tissue liquid volume passing through the liquid suction channel is less than the bile tissue liquid volume returning to the operation part again, so that the bile tissue liquid in the operation part is ensured to have a certain volume all the time, the physiological activity and normal metabolism of the operation part and the tissue part closely matched with the operation part are ensured, meanwhile, under the condition that the original material of the bile tissue liquid shape is not changed or reduced in the circulation process, the litholytic medicine for treating the hepatobiliary calculus and other nutrient solution or antibiotic solution for treating and recovering can be introduced, and the auxiliary recovery of the operation part is carried out.
The invention has simple structure and easy operation, when taking stones and gravels in the bile duct, only a tiny operation opening is needed to insert the inserting tube, thus reducing the damage to the liver bile duct to the maximum extent and relieving the pain of patients, thereby bringing convenience to the operation of doctors.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the rock-entering structure of the present invention in an initial state;
FIG. 3 is a schematic view of the stone feeding structure of the present invention in an operating state;
FIG. 4 is a schematic top view of the elastomeric membrane of the present invention;
FIG. 5 is a schematic view of the structure of a filter according to the present invention;
FIG. 6 is a schematic view of the connection between the drug reservoir and the input of the micro-pump according to the present invention.
In the figure: the device comprises a shell, a partition plate, a liquid suction channel, a liquid return channel, a sealing plate, a broken stone collection cavity, a micropump, a chemical box, a stone inlet structure 9, a filtering stone structure 10, a control main board 11, a first box body 12, a blocking piece 13, an elastic membrane 14, a first channel port 15, a blocking block 16, a second channel port 17, a second box body 18, a first filtering plate 19, a second filtering plate 20, a first filtering hole 21, a second filtering hole 22, a second pipe 23, an electromagnetic valve 24 and a sealing cover 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
a lithotomy device for hepatobiliary department comprises a shell 1, a micropump 7, a chemical box 8 and a control mainboard 11, wherein an insertion pipe is arranged at the bottom end of the shell 1, a sealing plate 5 is arranged in the shell 1, the sealing plate 5 and an inner cavity of the shell 1 positioned at the upper part of the sealing plate form a gravel collection cavity 6, the insertion pipe is divided into a liquid suction channel 3 and a liquid return channel 4 by a partition plate 2, the micropump 7 and the chemical box 8 are arranged in the shell 1 positioned at the lower part of the sealing plate 5, a stone inlet structure 9 and a stone filter structure 10 are arranged on the sealing plate 5, the chemical box 8 is connected with the input end of the micropump 7, the stone inlet structure 9 is connected with the liquid suction channel 3, the input end and the output end of the micropump 7 are respectively correspondingly connected with the liquid return channel 4 and the stone filter structure 10, the control mainboard 11 is embedded in the outer wall of the shell, the micro pump 7 is internally provided with a direct current power supply and a charging interface.
The stone feeding structure 9 comprises a first box body 12 and a baffle plate 13, wherein the baffle plate 13 is arranged at the top in the first box body 12, an elastic diaphragm 14 is arranged at the top of the baffle plate 13, a first passage opening 15 is arranged in the center of the baffle plate 13, a blocking block 16 matched with the first passage opening 15 is arranged in the center of the inner side of the elastic diaphragm 14, a second passage opening 17 is also arranged on the elastic diaphragm 14 at the periphery of the blocking block 16, the bottom of the first box body 12 is connected with a liquid suction passage 3 through a first pipe, the elastic diaphragm 14 is positioned in a broken stone collecting cavity 6, the inner diameter of the second passage opening 17 is larger than or equal to the inner diameter of the first passage opening 15, stones are mixed in (bile) tissue liquid in a intrahepatic bile duct and are conveyed to the first box body 12, and then the elastic diaphragm 14 expands outwards under the action of a micro pump 7 to enable the blocking block 16 to leave from the first passage opening 15, the stones mixed in the biliary tissue fluid enter the broken stone collecting cavity 6 from the second passage opening 17 through the first passage opening 15 (the flow direction of the biliary tissue fluid is the arrow direction in fig. 3), the number of the second passage openings 17 is determined according to the actual use condition, in the process, as the inner diameter of the second passage opening 17 is more than or equal to the inner diameter of the first passage opening 15, the biliary tissue fluid can be rapidly input into the broken stone collecting cavity 6, and stone particles can smoothly pass through the second passage opening 17 without being blocked and blocked; generally, the diameter of stone particles after ultrasonic lithotripsy is 5-8 mm, so the inner diameter of the first passage opening 15 is larger than the diameter of the stone particles after lithotripsy, in this embodiment, 10mm, and the inner diameter of the second passage opening 17 is 12-14 mm.
The stone filtering structure 10 comprises a second box body 18, a first filter plate 19 is arranged at the top end of the second box body 18, a second filter plate 20 is arranged at the bottom end of the second box body 18, a first filter hole 21 is formed in the first filter plate 19, a second filter hole 22 is formed in the second filter plate 20, the aperture of the second filter hole 22 is smaller than that of the first filter hole 21, when bile tissue liquid in the calculus collecting cavity 6 is conveyed into the intrahepatic bile duct (namely, an operation part) again under the action of a micro pump 7, at the moment, because of the existence of the stone filtering structure 10, the calculus is collected in the calculus collecting cavity 6, and the bile tissue liquid is conveyed into the intrahepatic bile duct again, because of the adoption of the two filter plates, namely the first filter plate 19 and the second filter plate 20, the calculus can be better filtered, and the aperture of the second filter hole 22 is smaller, therefore, even after the calculus passes through the first filter hole 21, the second filtering holes 22 can also be blocked in the second box 18, in this embodiment, the aperture of the first filtering hole 21 is 4mm, and the aperture of the second filtering hole 22 is 2-3 mm.
The medicament box 8 (with an injection port) is connected with the input end of the micropump 7 through the second pipe 23, the second pipe 23 is provided with an electromagnetic valve 24, the electromagnetic valve 24 is electrically connected to the control main board 11, litholytic medicaments for treating hepatobiliary calculus are added into the medicament box 8, other nutrient solutions or antibiotic solutions for treatment and recovery are added into the medicament box, the electromagnetic valve 24 is controlled to be opened through the control main board 11, the litholytic medicaments can litholytic the residual calculus in the intrahepatic bile duct along with the delivery of the bile tissue fluid after being subjected to lithotripsy to the intrahepatic bile duct, then the lithotripsy medicaments are collected to the lithotripsy collection cavity 6 or are discharged out of the body along with urine of a patient, and the nutrient solution or antibiotic solution for treatment and recovery can assist recovery on a surgical site.
The outer pipe wall of the insertion pipe is provided with scale marks, and the length of the insertion pipe extending into the insertion pipe is observed through the scale marks on the insertion pipe, so that the stone taking operation can be more accurately carried out.
The inner diameter of the liquid suction channel 3 is smaller than that of the liquid return channel 4, bile tissue liquid in the intrahepatic bile duct forms a liquid loop through the liquid suction channel 3 and the liquid return channel 4, and the bile tissue liquid volume passing through the liquid suction channel 3 is smaller than that returning to the operation part again, so that a certain volume of the bile tissue liquid in the operation part is ensured, and the normal metabolism of the physiological activity of the operation part and the tissue part closely matched with the operation part is ensured.
The top opening in chamber 6 is collected to the rubble, and the opening closes through closing cap 25 lid, can carry out the rubble and clear away and collect chamber 6 and wash through opening closing cap 25 when the operation finishes or chamber 6 is collected to the rubble.
In the present invention, the control main board 11 is controlled by a single chip, and may also be equipped with a button switch to operate the electromagnetic valve 24, which is not described in detail for the prior art.
The ultrasonic lithotripsy operation instrument is suitable for the situation that after ultrasonic lithotripsy is carried out on a patient, secondary operation lithotripsy is needed due to incomplete lithotripsy or incapability of smoothly discharging the lithotripsy from the patient body, and can also be suitable for other lithotripsy, such as bladder calculus and the like.
When the invention is used clinically, firstly, a medical worker holds the shell 1 with hands, the insertion tube is inserted into an operation part, namely the interior of a bile duct, the inserted length of the insertion tube is observed through scale marks on the insertion tube, so that the insertion tube can more accurately carry out a calculus removing operation, after the insertion tube is inserted to a proper position, the micro pump 7 is controlled to be opened through the control main board 11, at the moment, the elastic diaphragm 14 is expanded outwards due to the generation of negative pressure, the blocking block 16 is separated from the first passage port 15, calculus mixed in biliary tissue liquid enters the calculus collecting cavity 6 from the second passage port 17 through the first passage port 15, and then the calculus passes through the filtering stone structure 10, namely, the calculus is filtered by the first filtering board 19 and the second filtering board 20 and is collected in the calculus collecting cavity 6, and biliary tissue liquid is conveyed to the interior of the bile duct again, in the process, the electromagnetic valve 24 can be controlled to be opened through the control main board 11, and soluble medicines for treating hepatobiliary calculus, the bile medicine box 8, Other nutrient solution or antibiotic solution for treatment and recovery is delivered into the intrahepatic bile duct along with the bile tissue fluid after being filtered and crushed, litholytic drugs can dissolve stones in residual stones in the intrahepatic bile duct, and then the stones are collected in the crushed stone collecting cavity 6 or are discharged out of the body along with urine of a patient, and the nutrient solution or antibiotic solution for treatment and recovery can be used for auxiliary recovery of an operation position.
According to the invention, the bile tissue fluid in the intrahepatic bile duct forms a fluid loop through the fluid suction channel 3 and the fluid return channel 4, and the bile tissue fluid passing through the fluid suction channel 3 is smaller than the bile tissue fluid returning to the operation part again, so that a certain amount of bile tissue fluid in the operation part is ensured, the physiological activity and normal metabolism of the operation part and the tissue part closely matched with the operation part are ensured, meanwhile, under the condition that the original material of the bile tissue fluid is not changed or reduced in the circulation process, the broken stones and the calculus in the bile duct are effectively removed, and meanwhile, litholytic medicines for treating liver and gall stone, other nutrient solutions or antibiotic solutions for treatment and recovery can be introduced to assist in the recovery of the operation part.
The invention has simple structure and easy operation, and when the crushed stone (calculus) in the bile duct is taken, only a tiny operation opening is needed to insert the inserting tube, so that the damage to the liver bile duct can be reduced to the maximum extent, the pain of a patient can be relieved, and the operation of a doctor can be convenient.
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. The utility model provides a hepatobiliary department is with getting stone implement, includes casing (1), micropump (7), medicament case (8) and control mainboard (11), its characterized in that: the bottom of the shell (1) is provided with a plug pipe, a sealing plate (5) is arranged in the shell (1), the sealing plate (5) and the inner cavity of the shell (1) positioned at the upper part of the sealing plate form a gravel collecting cavity (6), the plug pipe is divided into a liquid suction channel (3) and a liquid return channel (4) through a partition plate (2), a micro pump (7) and a medicament box (8) are arranged in the shell (1) positioned at the lower part of the sealing plate (5), a stone inlet structure (9) and a filter stone structure (10) are arranged on the sealing plate (5), the medicament box (8) is connected with the input end of the micro pump (7), the stone inlet structure (9) is connected with the liquid suction channel (3), the input end and the output end of the micro pump (7) are respectively correspondingly connected with the liquid return channel (4) and the filter stone structure (10), a control main board (11) is embedded in the outer wall of the, and electric connection is in micropump (7), advance stone structure (9) including first box (12), separate separation blade (13), separate the top that separation blade (13) were installed in first box (12), the top that separates separation blade (13) is provided with elastic diaphragm (14), has first passway (15) in this centre that separates separation blade (13), the inboard centre of elastic diaphragm (14) has blocking piece (16) with first passway (15) looks adaptation, is located and has still seted up second passway mouth (17) on elastic diaphragm (14) of this blocking piece (16) periphery.
2. The lithotomy device for hepatobiliary department according to claim 1, characterized in that: the bottom of the first box body (12) is connected with the liquid suction channel (3) through a first pipe, the elastic diaphragm (14) is located in the broken stone collecting cavity (6), and the inner diameter of the second channel opening (17) is larger than or equal to that of the first channel opening (15).
3. The lithotomy device for hepatobiliary department according to claim 1, characterized in that: the stone filtering structure (10) comprises a second box body (18), a first filter plate (19) is arranged at the top end of the second box body (18), a second filter plate (20) is arranged at the bottom end of the second box body (18), a first filter hole (21) is formed in the first filter plate (19), and a second filter hole (22) is formed in the second filter plate (20).
4. The lithotomy device for hepatobiliary department according to claim 3, characterized in that: the aperture of the second filtering hole (22) is smaller than that of the first filtering hole (21).
5. The lithotomy device for hepatobiliary department according to claim 1, characterized in that: the chemical box (8) is connected with the input end of the micro pump (7) through a second pipe (23), an electromagnetic valve (24) is arranged on the second pipe (23), and the electromagnetic valve (24) is electrically connected to the control main board (11).
6. The lithotomy device for hepatobiliary department according to claim 1, characterized in that: the outer pipe wall of the insertion pipe is provided with scale marks.
7. The lithotomy device for hepatobiliary department according to claim 1, characterized in that: the inner diameter of the liquid suction channel (3) is smaller than that of the liquid return channel (4).
8. The lithotomy device for hepatobiliary department according to claim 1, characterized in that: the top end of the gravel collecting cavity (6) is opened, and the opening is covered by a sealing cover (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650344.XA CN110269664B (en) | 2019-07-18 | 2019-07-18 | Stone extractor for hepatobiliary department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910650344.XA CN110269664B (en) | 2019-07-18 | 2019-07-18 | Stone extractor for hepatobiliary department |
Publications (2)
| Publication Number | Publication Date |
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| CN110269664A CN110269664A (en) | 2019-09-24 |
| CN110269664B true CN110269664B (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910650344.XA Expired - Fee Related CN110269664B (en) | 2019-07-18 | 2019-07-18 | Stone extractor for hepatobiliary department |
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| CN (1) | CN110269664B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012441A (en) * | 2019-12-11 | 2020-04-17 | 中国人民解放军陆军军医大学第二附属医院 | A novel stone device of getting for hepatobiliary surgery is clinical |
| CN111820991B (en) * | 2020-07-27 | 2023-12-22 | 吉林大学 | Urinary surgery calculus grabbing equipment capable of preventing infection |
| CN113288225A (en) * | 2021-04-30 | 2021-08-24 | 李丽 | Stone extractor for gastroenterology |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203816057U (en) * | 2014-03-17 | 2014-09-10 | 袁通立 | Clinic multi-cavity T-shaped tube |
| DE202015002060U1 (en) * | 2015-03-17 | 2015-11-25 | Gerhard-Friedrich Horak | Infusion and aspiration catheter (IAC) (catheter for removal of thrombi and application of drugs) |
| CN105982700A (en) * | 2015-11-10 | 2016-10-05 | 周均洪 | Stone filtering collector |
| CN106580398A (en) * | 2016-11-22 | 2017-04-26 | 曹新福 | Hepatolith treatment device |
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2019
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| CN110269664A (en) | 2019-09-24 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chu Dake Inventor after: Zhang Ziqian Inventor after: Tang Wenkai Inventor before: Tang Wenkai |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200522 Address after: 710061, Yanta Road, Yanta District, Shaanxi, 277, Xi'an Applicant after: THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XI'AN JIAOTONG University Address before: 233002 Mohekou Park, Huaishang District, Bengbu City, Anhui Province Applicant before: Tang Wenkai |
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Granted publication date: 20200619 Termination date: 20210718 |