CN105105810A - Endoscopic esophageal variceal ligation apparatus - Google Patents
Endoscopic esophageal variceal ligation apparatus Download PDFInfo
- Publication number
- CN105105810A CN105105810A CN201510425249.1A CN201510425249A CN105105810A CN 105105810 A CN105105810 A CN 105105810A CN 201510425249 A CN201510425249 A CN 201510425249A CN 105105810 A CN105105810 A CN 105105810A
- Authority
- CN
- China
- Prior art keywords
- cover
- outer tube
- ligation
- pricked
- bundle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
- A61B17/12013—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot for use in minimally invasive surgery, e.g. endoscopic surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
- A61B2017/12018—Elastic band ligators
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (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)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention discloses an endoscopic esophageal variceal ligation apparatus which comprises a ligation outer tube and an endoscope connecting base. The ligation outer tube is in a cone shape of which the front part is thin and the rear part is thick; a ligation inner tube is arranged in the ligation outer tube; the front end of the ligation inner tube is in sealing connection with the front end of the ligation outer tube; the rear end of the ligation inner tube is connected with a negative pressure suction tube; a plurality of positioning holes are distributed at an equal interval front and back on the side wall of the ligation outer tube; a positioning pin is arranged in each positioning hole; a pulling ring is arranged at the inner end of each positioning pin; the pulling rings of a plurality of positioning pins are fixedly connected with a stay wire; the ligation outer tube is sleeved with rubber rings of which the number is equal to that of the positioning pins; each rubber ring is respectively limited by one positioning pin to be prevented from sliding forwards by the self. The endoscopic esophageal variceal ligation apparatus has a simple, small and compact structure, can be used for continuously carrying out ligation and is high in efficiency; the endoscopic esophageal variceal ligation apparatus is convenient and rapid to operate and works stably and ligation success efficiency is improved; moreover, the esophageal wall cannot be contused, so that pain of a patient is reduced and the infection risk is reduced.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, under particularly relating to a kind of scope, bundling device is overlapped in esophageal varicosis.
Background technology
China is hepatitis B morbidity big country, and therefore Patients with Liver Cirrhosis Accompanied Perforated gastric or duodenal ulcer Rupture haemorrhag has accounted for the second of upper gastrointestinal hemorrhage reason, breaks with tremendous force, and mortality rate, up to 50%, is the emergency and severe disease of serious harm life.Loop ligature of esophagus venous varicosity through endoscope carries out segmentation and branch cover bundle by the looping and binding device that one or more rubber set rolling circle is housed to the vein of varicose under scope, thus the object reaching hemostasis and make cirso-atrophy and then disappear, be that first of Perforated gastric or duodenal ulcer is selected.Under current scope, esophageal varicosis cover bundling device is divided into many running fires looping and binding device that can overlap bundle continuously and only can the single-shot looping and binding device of single cover bundle, Comparatively speaking, many running fires looping and binding device can carry out cover continuously and prick after insertion esophagus, improve medical efficiency greatly, and reduce significantly and insert the damage in scope process, patient caused and the misery brought, be main flow and the trend that under current scope, implementation tool pricked by esophageal varicosis cover.
The structure of current many running fires looping and binding device is generally, multiple rubber ring is nested with successively outside ligation tube, then associate with rubber ring successively by the quick pushing manipulation that bracing wire is special, tractive bracing wire outer end can make multiple rubber ring take off from ligation tube successively and then reach the object of cover bundle continuously.The guy winding Method compare pricking cover due to above-mentioned many running fires cover is complicated, and pulling force when exciting rubber ring needed for bracing wire is comparatively large, and effort is compared in operation, slightly improperly also can cause bracing wire snarling, affects the driven to rubber ring; The number of turns be wound around in ligation tube due to bracing wire is more, adds the volume of ligation tube, reduces its operating flexibility; Meanwhile, in cover bundle process, the front end face of ligation tube needs to be close to esophageal wall just can ensure to form negative pressure in ligation tube, but owing to mostly needing to pass through from the front end face of ligation tube in guy winding process, make the front end out-of-flatness of ligation tube, be difficult to tightly contact with esophageal wall, affect the vacuum suction effect of cover being pricked to tissue; In addition, in use, bracing wire contacts with esophageal wall in ligation tube front position above-mentioned many running fires looping and binding device, when pulling bracing wire, easily being dampened by esophageal wall, bringing larger misery, too increase the risk of infection simultaneously to patient.
Summary of the invention
The object of the present invention is to provide a kind of structure simple, compact, easy-to-operate, can place multiple rubber ring to realize and overlap bundle continuously, and vacuum suction is effective, and under the high scope of efficiency pricked by cover, bundling device is overlapped in esophageal varicosis.
For realizing above-mentioned technical purpose, the present invention adopts following technical scheme: esophageal varicosis cover bundling device under a kind of scope, and it comprises a set of bundle outer tube, and the rear end that outer tube pricked by cover is provided with scope Connection Block; Outer tube pricked by described cover is front fine and rear thick taper, cover is pricked in outer tube and is provided with a cover bundle interior pipe coaxial with it, the front end of the interior pipe of cover bundle is pricked outer tube forward end seal with cover and is connected, cover is pricked the back-end closure of interior pipe and is connected with negative pressure straw, makes cover prick in interior pipe thus and forms one for holding the negative pressure cavity volume waiting to overlap bundle tissue; Described negative pressure straw passes scope Connection Block to be continued to extend back; Equidistantly be distributed with some locating holes before and after on the sidewall of described cover bundle outer tube, in each locating hole, be installed on alignment pin; Described alignment pin outer end protrudes to overlap to be pricked outside outer tube, and inner end is then provided with draw ring and is arranged in cover and pricks outer tube and overlap the interlayer pricking pipe; The draw ring of described some alignment pins is fixedly connected with a bracing wire with the form of series connection, and the front end of bracing wire opisthotonos and continue to extend back after passing scope Connection Block backward, affect bracing wire can by being shifted out by the locating hole of some alignment pins from correspondence successively after forward direction backward; Rubber ring outer tube is equipped with the quantity such as alignment pin pricked by described cover, and described rubber ring prevents its forward slip voluntarily each via an alignment pin limits.
Described cover bundle outer tube is pricked interior pipe front end with cover and is connected, and is structure as a whole, and namely both are had the inside opisthotonos of front section in the hollow pipe of bottom and are formed by a front end.
During use, this device is connected to scope front end, negative pressure straw and bracing wire are worn to scope shank through the instrument channel of scope, and negative pressure straw is connected negative pressure device, be feasible Loop ligature thus, after the tissue pricked until cover being sucked by negative pressure cavity volume, now tractive bracing wire end, one alignment pin of front side is taken off from locating hole, and then the positioning action making the rubber ring of front side lose alignment pin to provide for it, thus along with taper cover prick outer tube roll to advancing slip, thus to tissue realize cover prick object; Continue tractive bracing wire, other rubber rings can be excited successively, thus realize adapter sleeve bundle object.
The present invention has following beneficial effect: its structure is simple, and compact, is convenient to enter in body with scope implement operative treatment, and can carry out cover bundle continuously, and efficiency is higher; It controls the location of rubber ring by alignment pin and excites, thus simplifies the winding mode of bracing wire, and make faster and more convenient operation, bracing wire, without the need to the winding of complexity, the situation of snarling can not occur, and works more stable; Because bracing wire manages the front end process of pricking outer tube with cover in pricking from cover, thus ensure that the round and smooth and smooth of this device front end, be conducive to making to wait that overlapping organizing of pricking enters in negative pressure cavity volume fast in vacuum suction process, raising cover is bundled into effect rate thus; Owing to pricking in implementation process at cover, bracing wire without the need to contact tissue, contusion can not be caused to esophageal wall in traction process, reduce the misery of patient, reduce the risk of infection.
Accompanying drawing explanation
Fig. 1 is the structural representation of esophageal varicosis cover bundling device under this scope.
Fig. 2 is the main sectional view of esophageal varicosis cover bundling device under this scope.
Fig. 3 be alignment pin with rubber ring and bracing wire coordinate schematic diagram.
In figure, 1, cover pricks outer tube, 2, rubber ring, 3, alignment pin, 4, scope Connection Block, 5, negative pressure straw, 6, bracing wire, 7, negative pressure cavity volume, 8, locating hole, 9, cover prick in pipe, 10, draw ring, 11, position-limited edge edge.
Detailed description of the invention
As Figure 1-3, esophageal varicosis cover bundling device under a kind of scope disclosed by the invention, it comprises a set of bundle outer tube 1, and the rear end of cover bundle outer tube 1 is provided with the scope Connection Block 4 for being connected with scope; Described cover pricks outer tube 1 in front fine and rear thick taper, cover is pricked in outer tube 1 and is provided with a cover bundle interior pipe 9 coaxial with it, the front end of the interior pipe 9 of cover bundle is pricked outer tube 1 forward end seal with cover and is connected, cover is pricked the back-end closure of interior pipe 9 and is connected with negative pressure straw 5, makes cover prick in interior pipe 9 thus and forms one for holding the negative pressure cavity volume 7 waiting to overlap bundle tissue; Described negative pressure straw 5 passes scope Connection Block 4 to be continued to extend back; Equidistantly be distributed with some locating holes 8 before and after on the sidewall of described cover bundle outer tube 1, in each locating hole 8, be installed on alignment pin 3; Described alignment pin 3 outer end protrudes to overlap to be pricked outside outer tube 1, and inner end is then provided with draw ring 10 and is arranged in cover and pricks outer tube 1 and overlap the interlayer pricking pipe 9; The draw ring 10 of described some alignment pins 3 is fixedly connected with a bracing wire 6 with the form of series connection, and the front end of bracing wire 6 opisthotonos and continue to extend back after passing scope Connection Block 4 backward, affect bracing wire 6 can by being shifted out by the locating hole 8 of some alignment pins 3 from correspondence successively after forward direction backward; The rubber ring 2 outer tube 1 is equipped with the quantity such as alignment pin 3 pricked by described cover, and described rubber ring 2 prevents its forward slip voluntarily each via an alignment pin 3 limits.
Described cover bundle outer tube 1 is pricked interior both pipes 9 front end with cover and is connected, and is structure as a whole, and namely both are had the inside opisthotonos of front section in the hollow pipe of bottom and are formed by a front end.
The inner end of described alignment pin 3 is provided with circle position-limited edge outwardly along 11, position-limited edge along 11 for preventing alignment pin 3 along locating hole 8 outwards slippage.
Described bracing wire 6 adopts nylon rope, and the described interior pipe 9 of cover bundle is pricked outer tube 1 with cover and adopted medical plastic to make, and described negative pressure straw 5 is rubber tube, and described alignment pin 3 is made up of elastomeric material.
During use, this device is connected to the front end of scope by scope Connection Block 4, negative pressure straw 5 and bracing wire 6 is worn to scope shank through the instrument channel of scope or biopsy forceps passage, and negative pressure straw 5 is connected negative pressure device, thus i.e. feasible Loop ligature; After the tissue pricked until cover being sucked by negative pressure cavity volume 7, the end that now tractive bracing wire 6 is drawn from scope shank, the alignment pin 3 making cover prick outer tube 1 front side is taken off from locating hole 8, and then the positioning action making the rubber ring 2 of front side lose alignment pin 3 to provide for it, because rubber ring 2 has the elastic force of contraction, in addition the cover bundle outer tube 1 at place is tapered, rubber ring 2 certainly will be rolled to advancing slip along with outer tube 1 pricked by cover, thus prick object to organizing to realize overlapping; Continue tractive bracing wire 6, other rubber rings 2 can be excited successively, thus realize adapter sleeve bundle object.
Its structure is simple, and compact, is convenient to enter in body with scope implement operative treatment, and can carry out cover bundle continuously, and efficiency is higher; It controls the location of rubber ring 2 by alignment pin 3 and excites, thus simplifies the winding mode of bracing wire 6, and make faster and more convenient operation, bracing wire 6, without the need to the winding of complexity, the situation of snarling can not occur, and works more stable; Because bracing wire 6 is without the need to pricking interior pipe 9 from cover and overlapping the front end process of pricking outer tube 1, thus ensure that the round and smooth and smooth of this device front end, be conducive to making to wait that overlapping organizing of pricking enters in negative pressure cavity volume 7 fast in vacuum suction process, raising cover is bundled into effect rate thus; Owing to pricking in implementation process at cover, bracing wire without the need to contact tissue, contusion can not be caused to esophageal wall in traction process, reduce the misery of patient, reduce the risk of infection.
Claims (4)
1. an esophageal varicosis cover bundling device under scope, it is characterized in that, it comprises a set of bundle outer tube, and the rear end that outer tube pricked by cover is provided with scope Connection Block; Outer tube pricked by described cover is front fine and rear thick taper, cover is pricked in outer tube and is provided with a cover bundle interior pipe coaxial with it, the front end of the interior pipe of cover bundle is pricked outer tube forward end seal with cover and is connected, cover is pricked the back-end closure of interior pipe and is connected with negative pressure straw, makes cover prick in interior pipe thus and forms one for holding the negative pressure cavity volume waiting to overlap bundle tissue; Described negative pressure straw passes scope Connection Block to be continued to extend back; Equidistantly be distributed with some locating holes before and after on the sidewall of described cover bundle outer tube, in each locating hole, be installed on alignment pin; Described alignment pin outer end protrudes to overlap to be pricked outside outer tube, and inner end is then provided with draw ring and is arranged in cover and pricks outer tube and overlap the interlayer pricking pipe; The draw ring of described some alignment pins is fixedly connected with a bracing wire with the form of series connection, and the front end of bracing wire opisthotonos and continue to extend back after passing scope Connection Block backward, affect bracing wire can by being shifted out by the locating hole of some alignment pins from correspondence successively after forward direction backward; Rubber ring outer tube is equipped with the quantity such as alignment pin pricked by described cover, and described rubber ring prevents its forward slip voluntarily each via an alignment pin limits.
2. esophageal varicosis cover bundling device under a kind of scope according to claim 1, it is characterized in that: described cover bundle outer tube is pricked interior pipe front end with cover and is connected, and be structure as a whole, namely both are had the inside opisthotonos of front section in the hollow pipe of bottom and are formed by a front end.
3. esophageal varicosis cover bundling device under a kind of scope according to claim 1, it is characterized in that: the inner end of described alignment pin is provided with circle position-limited edge edge outwardly, position-limited edge is along being used for preventing alignment pin along the outside slippage of locating hole.
4. esophageal varicosis cover bundling device under a kind of scope according to claim 1, it is characterized in that: described bracing wire adopts nylon rope, the described interior pipe of cover bundle is pricked outer tube with cover and is adopted medical plastic to make, and described negative pressure straw is rubber tube, and described alignment pin is made up of elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510425249.1A CN105105810B (en) | 2015-07-15 | 2015-07-15 | Varices of esophagus covers bundling device under scope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510425249.1A CN105105810B (en) | 2015-07-15 | 2015-07-15 | Varices of esophagus covers bundling device under scope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105105810A true CN105105810A (en) | 2015-12-02 |
| CN105105810B CN105105810B (en) | 2017-10-10 |
Family
ID=54654114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510425249.1A Expired - Fee Related CN105105810B (en) | 2015-07-15 | 2015-07-15 | Varices of esophagus covers bundling device under scope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105105810B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320164A (en) * | 2017-08-18 | 2017-11-07 | 上海宁璋医疗器械有限公司 | A kind of scope polyp looping and binding device |
| CN109157255A (en) * | 2018-08-26 | 2019-01-08 | 陈良培 | A kind of improved hemorrhoid set bundling device |
| CN109620355A (en) * | 2019-02-26 | 2019-04-16 | 毕伟平 | Varices of esophagus covers bundling device under a kind of scope |
| CN111544089A (en) * | 2020-05-13 | 2020-08-18 | 河北医科大学第二医院 | Device for treating gastroesophageal disease |
| CN112237459A (en) * | 2020-10-20 | 2021-01-19 | 中国医学科学院北京协和医院 | Air bag type ligation device with multiple rubber rings applied to transparent cap |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0679368A1 (en) * | 1994-04-26 | 1995-11-02 | Kabushiki Kaisha Top | Endoscopic instrument for ligating varix |
| CN2332365Y (en) * | 1996-07-25 | 1999-08-11 | 刘明 | Inner mirror multi-ring continuous invaginator |
| DE19758081A1 (en) * | 1997-12-30 | 1999-08-12 | Walter Olbert | Volume limiter for hemorrhoid ligature device |
| WO1999056635A1 (en) * | 1998-05-06 | 1999-11-11 | Ensurg, Inc. | Ligating band dispenser |
| WO1999065402A1 (en) * | 1998-06-17 | 1999-12-23 | Ensurg, Inc. | Ligating band dispenser with frangible support member |
| CN2389622Y (en) * | 1999-08-20 | 2000-08-02 | 丁长珍 | Multifunctional ligature device for endoscope |
| CN2400065Y (en) * | 1999-11-08 | 2000-10-11 | 李坪 | Endoscopic casing ligaturing device |
| CN1275062A (en) * | 1998-08-20 | 2000-11-29 | 住友电木株式会社 | Continuous ligation kit |
| CN1662185A (en) * | 2002-08-26 | 2005-08-31 | 株式会社托普 | Ligation treating apparatus |
| WO2008051329A2 (en) * | 2006-10-24 | 2008-05-02 | Boston Scientific Scimed, Inc. | Ligating band dispenser with a sliding deployment system |
| CN102488541A (en) * | 2011-12-26 | 2012-06-13 | 升尚（北京）医疗科技有限公司 | Multi-ring loop ligature apparatus |
-
2015
- 2015-07-15 CN CN201510425249.1A patent/CN105105810B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0679368A1 (en) * | 1994-04-26 | 1995-11-02 | Kabushiki Kaisha Top | Endoscopic instrument for ligating varix |
| CN2332365Y (en) * | 1996-07-25 | 1999-08-11 | 刘明 | Inner mirror multi-ring continuous invaginator |
| DE19758081A1 (en) * | 1997-12-30 | 1999-08-12 | Walter Olbert | Volume limiter for hemorrhoid ligature device |
| WO1999056635A1 (en) * | 1998-05-06 | 1999-11-11 | Ensurg, Inc. | Ligating band dispenser |
| WO1999065402A1 (en) * | 1998-06-17 | 1999-12-23 | Ensurg, Inc. | Ligating band dispenser with frangible support member |
| CN1275062A (en) * | 1998-08-20 | 2000-11-29 | 住友电木株式会社 | Continuous ligation kit |
| CN2389622Y (en) * | 1999-08-20 | 2000-08-02 | 丁长珍 | Multifunctional ligature device for endoscope |
| CN2400065Y (en) * | 1999-11-08 | 2000-10-11 | 李坪 | Endoscopic casing ligaturing device |
| CN1662185A (en) * | 2002-08-26 | 2005-08-31 | 株式会社托普 | Ligation treating apparatus |
| WO2008051329A2 (en) * | 2006-10-24 | 2008-05-02 | Boston Scientific Scimed, Inc. | Ligating band dispenser with a sliding deployment system |
| CN102488541A (en) * | 2011-12-26 | 2012-06-13 | 升尚（北京）医疗科技有限公司 | Multi-ring loop ligature apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320164A (en) * | 2017-08-18 | 2017-11-07 | 上海宁璋医疗器械有限公司 | A kind of scope polyp looping and binding device |
| CN107320164B (en) * | 2017-08-18 | 2023-07-18 | 上海宁璋医疗器械有限公司 | Endoscopic polyp ligation device |
| CN109157255A (en) * | 2018-08-26 | 2019-01-08 | 陈良培 | A kind of improved hemorrhoid set bundling device |
| CN109620355A (en) * | 2019-02-26 | 2019-04-16 | 毕伟平 | Varices of esophagus covers bundling device under a kind of scope |
| CN111544089A (en) * | 2020-05-13 | 2020-08-18 | 河北医科大学第二医院 | Device for treating gastroesophageal disease |
| CN112237459A (en) * | 2020-10-20 | 2021-01-19 | 中国医学科学院北京协和医院 | Air bag type ligation device with multiple rubber rings applied to transparent cap |
| CN112237459B (en) * | 2020-10-20 | 2021-08-31 | 中国医学科学院北京协和医院 | Air bag type ligation device with multiple rubber rings applied to transparent cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105105810B (en) | 2017-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105105810A (en) | Endoscopic esophageal variceal ligation apparatus | |
| CN103519860A (en) | Method for setting elastic threads in ligation device and automatic elastic thread ligation device | |
| CN105326538B (en) | The method to set up of elastic thread and elastic thread looping and binding device in a kind of looping and binding device | |
| CN105232107B (en) | The method to set up of elastic thread looping and binding device and elastic thread | |
| CN104586444A (en) | Endoscopic grasper for closing digestive tract perforation | |
| CN203776985U (en) | Calculus extraction basket | |
| CN205286436U (en) | Elastic thread ligation device | |
| CN204364075U (en) | A kind of scope nipper | |
| CN204814030U (en) | Ware is pricked to esophageal veins varix cover | |
| CN113116450A (en) | Emergency hemostasis method and emergency hemostasis device for vascular surgery | |
| CN109528383B (en) | Percutaneous gastrostomy tube implantation guiding device and operation method thereof | |
| CN109771002A (en) | Air bag driving covers bundling device | |
| CN203953614U (en) | Per os choledochoscope guiding device | |
| US20060079861A1 (en) | Disposable intestinal intubator with drain and irrigator | |
| CN208725793U (en) | A kind of digestive endoscopy perforation gathering head | |
| CN107320164B (en) | Endoscopic polyp ligation device | |
| CN201939868U (en) | Oviduct contrast and recanalization device | |
| CN214908014U (en) | Integrated cutter kit | |
| CN211094347U (en) | Traction core and traction device for endoscopic surgery | |
| CN104013380A (en) | Peroral cholangioscopy guide device and application method thereof | |
| CN210354782U (en) | Intestinal canal retractor for single-hole laparoscope | |
| CN210330621U (en) | Can dismantle endoscope sample and get thing bag | |
| CN209966507U (en) | Puncture stripping needle for mammary gland enclosed mass | |
| CN209611490U (en) | Percutaneous stomach stoma is placed in guiding device | |
| CN109620355A (en) | Varices of esophagus covers bundling device under a kind of scope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20180715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |