CN108852465B - Multifunctional bolt suction device - Google Patents
Multifunctional bolt suction device Download PDFInfo
- Publication number
- CN108852465B CN108852465B CN201811082485.8A CN201811082485A CN108852465B CN 108852465 B CN108852465 B CN 108852465B CN 201811082485 A CN201811082485 A CN 201811082485A CN 108852465 B CN108852465 B CN 108852465B
- Authority
- CN
- China
- Prior art keywords
- cavity
- catheter
- cavity catheter
- balloon
- rear end
- 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.)
- Active
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
- A61B17/22—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
- A61B2017/22038—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 a guide wire
-
- 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
- A61B2017/22051—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 an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22052—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 an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation eccentric
-
- 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
Abstract
The invention relates to a multifunctional thrombolysis device, which comprises a multi-cavity catheter extending along the front-back direction, a guide wire positioned in the multi-cavity catheter, a balloon arranged on the outer wall surface of the front end of the multi-cavity catheter, an inflation tube communicated with the balloon and extending to the rear end of the multi-cavity catheter, and an aspiration tube arranged at the rear end of the multi-cavity catheter; a guide wire cavity which is communicated front and back is arranged in the multi-cavity catheter, and the guide wire is arranged in the guide wire cavity; the multi-cavity catheter is characterized in that a thrombus suction cavity extending along the front-back direction is further arranged in the multi-cavity catheter, a side hole communicated with the thrombus suction cavity is formed in the front end of the multi-cavity catheter and located behind the saccule, and the suction tube is communicated with the rear end of the thrombus suction cavity. The invention has the advantages that: the bolt sucking device of the invention has simple structure, integrates the functions of bolt taking and bolt sucking, and is a multifunctional bolt sucking device.
Description
Technical Field
The invention relates to a multifunctional bolt suction device.
Background
In the medical field, the intravascular acute thrombosis, whether cerebral vessels, cardiovascular vessels or peripheral vessels, has three characteristics of high morbidity, high mortality and high disability rate. Aiming at early-stage intravascular acute thrombosis at home and abroad, the thrombus can be removed by an interventional therapy method to recanalize the blood vessel, recover the blood supply of tissues and reduce disability rate and death rate. Interventional therapy of thrombosis is a hot spot problem in contemporary surgery. The existing operation mode mainly utilizes a thrombus taking tube to pull out thrombus. However, for the thrombus at the distal end of the superficial femoral artery of the lower limb, the popliteal artery, or even the tibiofibular trunk or the thrombus at the distal end of the popliteal artery, or the venous thrombus at a large range of long sections, the target blood vessel cannot be reached by using a common thrombus taking tube, or the thrombus cannot be dragged in the target blood vessel, so that the thrombus cannot be completely taken out, and the arterial vessel wall is easily damaged by repeated operation, so that related complications are caused. In addition, in some smaller arteries or veins with valve, existing thrombolysis tubes are not available for thrombolysis.
Disclosure of Invention
The invention aims to provide a multifunctional bolt suction device which has a simple structure and integrates the functions of bolt taking and bolt suction.
The aim of the invention is realized by the following technical scheme: a multifunctional thrombus-absorbing device comprises a multi-cavity catheter extending along the front-back direction, a guide wire positioned in the multi-cavity catheter, a balloon arranged on the outer wall surface of the front end of the multi-cavity catheter, an inflation tube communicated with the balloon and extending to the rear end of the multi-cavity catheter, and an absorbing tube arranged at the rear end of the multi-cavity catheter;
a guide wire cavity which is communicated front and back is arranged in the multi-cavity catheter, and the guide wire is arranged in the guide wire cavity; the multi-cavity catheter is characterized in that a thrombus suction cavity extending along the front-back direction is further arranged in the multi-cavity catheter, a side hole communicated with the thrombus suction cavity is formed in the front end of the multi-cavity catheter and located behind the saccule, and the suction tube is communicated with the rear end of the thrombus suction cavity.
Compared with the prior art, the invention has the advantages that:
1. the bolt sucking device of the invention has simple structure, integrates the functions of bolt taking and bolt sucking, and is a multifunctional bolt sucking device.
2. The invention has soft guide wire, which can enter into various blood vessels to take out or suck the thrombus, to widen the application range.
3. The eccentric design of the saccule ensures that the thrombus can be smoothly taken out when the thrombus absorbing device is used as a thrombus taking tube, and the thrombus can be prevented from falling off or being detained in a blood vessel.
4. The auxiliary air bag is arranged, so that the blood vessel at the position of the thrombus can be expanded, and the thrombus can be smoothly sucked out; in addition, the diversion channel reserved in the coverage area of the auxiliary air bag can guide thrombus positioned around the side hole and far away from the side hole to be quickly sucked into the side hole, so that the thrombus suction is quickened.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the use state of the present invention.
Fig. 3 is a cross-sectional view of a multi-lumen catheter.
Description of the reference numerals: 1 multicavity catheter, 11 guide wire cavity, 12 bolt suction cavity, 13 side hole, 14 inflating cavity, 15 air supply cavity, 2 guide wire, 3 saccule, 4 inflating tube, 41 precise pressure regulating valve A, 5 suction tube, 51 valve, 52 suction pump, 6 operating handle, 61 rubber sealing sheet, 7 auxiliary air sac, 71 guide channel, 8 air supply tube, 81 precise pressure regulating valve B, 9 thrombus, 10 blood vessel.
Detailed Description
The present invention is described in detail below with reference to the drawings and examples of the specification:
fig. 1 to 3 are schematic views showing an embodiment of a multifunctional bolt suction device according to the present invention.
The multifunctional thrombus absorbing device comprises a multi-cavity catheter 1 extending along the front-back direction, a guide wire 2 positioned in the multi-cavity catheter 1, a balloon 3 arranged on the outer wall surface of the front end of the multi-cavity catheter 1, an inflation tube 4 communicated with the balloon 3 and extending to the rear end of the multi-cavity catheter 1, and an absorbing tube 5 arranged at the rear end of the multi-cavity catheter 1;
a guide wire cavity 11 which is communicated with each other from front to back is arranged in the multi-cavity catheter 1, and the guide wire 2 is arranged in the guide wire cavity 11; the multi-cavity catheter 1 is also provided with a thrombolytic cavity 12 extending along the front-back direction, a side hole 13 communicated with the thrombolytic cavity 12 is arranged at the front end of the multi-cavity catheter 1 and at the back of the saccule 3, and the aspirating tube 5 is communicated with the back end of the thrombolytic cavity 12.
The guide wire 2 is made of soft materials. The multifunctional thrombolysis device can be used in smaller arteries and veins with valves through the guidance of the soft guide wire 2, and the application range of the thrombolysis device is greatly widened due to the introduction of the guide wire 2.
In addition, the outer diameter of the multi-lumen catheter 1 can be made to different sizes according to actual needs to accommodate vessels of different thicknesses.
The using method of the bolt sucking device during bolt sucking is as follows: without cutting the blood vessel, the blood vessel is punctured through the interventional blood vessel puncture technology, the blood vessel puncture sheath is sent into the blood vessel through the puncture point in advance, then the front end of the guide wire 2 enters the blood vessel through the blood vessel sheath, the multi-cavity catheter 1 is led into the target blood vessel through the guide wire 2, the balloon 3 is inflated through the inflation tube 4 after the balloon 3 passes through the thrombus, and at the moment, the suction pump 52 can be started to suck the thrombus out through the side hole 13.
The using method of the bolt sucking device during bolt taking is as follows: firstly, cutting a blood vessel, leading the front end of a guide wire 2 into the blood vessel through the blood vessel cut, then leading a multi-cavity catheter 1 into a target blood vessel through the guide wire 2, and leading a balloon 3 to pass through thrombus, and inflating the balloon 3 through an inflation tube 4, wherein the multifunctional thrombus suction device can be used as a thrombus taking tube, and directly pulling the multi-cavity catheter 1 backwards, so that the balloon 3 can bring the thrombus out;
of course, the thrombus-absorbing device can also be used for percutaneous puncture of blood vessels without cutting blood vessels in the hand of a skilled physician after strict training, various vascular sheaths can be sent into the target blood vessels in advance through puncture points through interventional vascular puncture technology, and the thrombus-absorbing device is used for taking thrombus by being matched with various long and short vascular sheaths which are placed in advance.
Therefore, the multifunctional bolt suction device can be used as a traditional bolt taking tube and a bolt suction device, and is multifunctional.
The multi-cavity catheter 1 is also provided with an inflating cavity 14 extending along the front-back direction, and the inflating tube 4 extends to the rear end of the multi-cavity catheter 1 through the inflating cavity 14.
The inflation tube 4 is provided with a precise pressure regulating valve A41.
The front end of the air charging cavity 14 is provided with a through hole A for accommodating the front end of the air charging pipe 4 to penetrate out, the rear end of the air charging cavity 14 is provided with a through hole B for accommodating the rear end of the air charging pipe 4 to penetrate out, the front end of the air charging pipe 4 is communicated with the balloon 3 through the through hole A, the rear end of the air charging pipe 4 is connected with the precise pressure regulating valve A41 through the through hole B, and the air charging pipe 4 through the precise pressure regulating valve A41 can be connected with an air pump to charge the balloon 3.
The precise pressure regulating valve a41 can maintain the volume of the balloon 3 inflated in a controllable state at a desired size according to a precise set pressure value of the actual condition of the operation.
The suction tube 5 is provided with a valve 51.
The multifunctional suction bolt device also comprises a suction pump 52 connected with the suction pipe 5.
When the suction is required, the suction pump 52 is started, and then the valve 51 is opened to perform the suction.
The multifunctional bolt suction device also comprises an operating handle 6 arranged at the rear end of the multi-cavity catheter 1. The operating handle 6 is provided with a cavity which extends along the front-back direction and is communicated with the guide wire cavity 11, and the guide wire 2 enters the guide wire cavity 11 of the multi-cavity catheter 1 through the cavity of the operating handle 6. The rear end face of the cavity of the operating handle 6 is covered with a rubber sealing piece 61, and the rubber sealing piece 61 can not only accommodate the insertion of the guide wire 2, but also prevent the blood in the blood vessel from flowing out through the guide wire cavity 11 and the cavity of the handle.
The multifunctional thrombus absorbing device also comprises an auxiliary air bag 7 which is arranged on the outer wall surface of the multi-cavity catheter 1 and positioned behind the sacculus 3, and an air supply pipe 8 which is communicated with the auxiliary air bag 7 and extends to the rear end of the multi-cavity catheter 1; the covering area of the auxiliary balloon 7 is provided with a plurality of diversion channels 71 which lead thrombus to be converged towards the side holes 13 of the multi-cavity catheter 1.
The air supply pipe 8 is provided with a precise pressure regulating valve B81. The precise pressure regulating valve B81 has the same function as the precise pressure regulating valve a41.
The multi-cavity catheter 1 is also provided with an air supply cavity 15 extending along the front-back direction, and the air supply pipe 8 extends to the rear end of the multi-cavity catheter 1 through the air supply cavity 15.
When the thrombus is large and difficult to directly drag and take out, the auxiliary air bag 7 can be inflated by the air pump through the air supply pipe 8, the inflated auxiliary air bag 7 can expand the blood vessel at the thrombus, and then the suction pump 52 and the valve 51 are started to suck the thrombus. The auxiliary air bag 7 is arranged to expand the blood vessel at the thrombus position, so that the thrombus is convenient to be absorbed; the arrangement of the diversion channel 71 can guide thrombus positioned around the side hole 13 and far away from the side hole 13 to be quickly sucked into the side hole 13, thereby accelerating the suction of the thrombus.
The balloon 3 is an eccentric balloon and the whole balloon 3 is biased to one side of the side hole 13.
As shown in fig. 2: when the multifunctional thrombus sucking device is used as a thrombus taking tube, the auxiliary air bag 7 is not required to be inflated, the thrombus 9 is positioned at the position of an included angle between the balloon 3 and the multi-cavity catheter 1, the balloon 3 is designed to be an eccentric balloon, the distance d between the contact point a of the balloon 3 and the blood vessel 10 and the multi-cavity catheter 1 has a larger value, the effective contact area between the balloon 3 and the thrombus 9 is increased, and the thrombus 9 can be effectively prevented from falling off (namely moving to the front of the balloon 3) or being remained in the blood vessel 10 when the multi-cavity catheter 1 is pulled backwards.
It should be noted that while the above describes specific embodiments of the present invention, those skilled in the art will appreciate that this is by way of example only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (10)
1. A multifunctional bolt suction device is characterized in that: the device comprises a multi-cavity catheter (1) extending along the front-back direction, a guide wire (2) positioned in the multi-cavity catheter (1), a balloon (3) arranged on the outer wall surface of the front end of the multi-cavity catheter (1), an inflation tube (4) communicated with the balloon (3) and extending to the rear end of the multi-cavity catheter (1), and an aspiration tube (5) arranged at the rear end of the multi-cavity catheter (1);
a guide wire cavity (11) which is communicated with each other in the front and back is arranged in the multi-cavity catheter (1), and the guide wire (2) is arranged in the guide wire cavity (11); the multi-cavity catheter (1) is also provided with a thrombolytic cavity (12) extending along the front-back direction, a side hole (13) communicated with the thrombolytic cavity (12) is arranged at the front end of the multi-cavity catheter (1) and at the rear of the balloon (3), and the aspirating tube (5) is communicated with the rear end of the thrombolytic cavity (12).
2. The multifunctional bolt absorbing device according to claim 1, wherein: the multi-cavity catheter (1) is also provided with an inflation cavity (14) extending along the front-back direction, and the inflation tube (4) extends to the rear end of the multi-cavity catheter (1) through the inflation cavity (14).
3. The multifunctional bolt absorbing device according to claim 1, wherein: the air charging pipe (4) is provided with a precise pressure regulating valve A (41).
4. The multifunctional bolt absorbing device according to claim 1, wherein: the suction tube (5) is provided with a valve (51).
5. The multifunctional bolt absorbing device according to claim 1, wherein: it also comprises a suction pump (52) connected with the suction tube (5).
6. The multifunctional bolt absorbing device according to claim 1, wherein: it also comprises an operating handle (6) arranged at the rear end of the multi-cavity catheter (1).
7. The multifunctional bolt absorbing device according to claim 1, wherein: the balloon (3) is an eccentric balloon, and the whole balloon (3) is biased to one side of the position of the side hole (13).
8. The multifunctional bolt absorbing device according to any one of claims 1 to 7, wherein: the device also comprises an auxiliary air bag (7) which is arranged on the outer wall surface of the multi-cavity catheter (1) and is positioned behind the balloon (3), and an air supply pipe (8) which is communicated with the auxiliary air bag (7) and extends to the rear end of the multi-cavity catheter (1); the covering area of the auxiliary air bag (7) is provided with a plurality of diversion channels (71) which enable thrombus to be converged towards the side holes (13) of the multi-cavity catheter (1).
9. The multifunctional bolt absorbing device according to claim 8, wherein: the air supply pipe (8) is provided with a precise pressure regulating valve B (81).
10. The multifunctional bolt absorbing device according to claim 8, wherein: the multi-cavity catheter (1) is also provided with an air supply cavity (15) extending along the front-back direction, and the air supply pipe (8) extends to the rear end of the multi-cavity catheter (1) through the air supply cavity (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082485.8A CN108852465B (en) | 2018-09-17 | 2018-09-17 | Multifunctional bolt suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082485.8A CN108852465B (en) | 2018-09-17 | 2018-09-17 | Multifunctional bolt suction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108852465A CN108852465A (en) | 2018-11-23 |
| CN108852465B true CN108852465B (en) | 2023-08-29 |
Family
ID=64324321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811082485.8A Active CN108852465B (en) | 2018-09-17 | 2018-09-17 | Multifunctional bolt suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108852465B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350178A (en) * | 2018-12-05 | 2019-02-19 | 上海微创心脉医疗科技股份有限公司 | Take pin device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7220269B1 (en) * | 2003-11-06 | 2007-05-22 | Possis Medical, Inc. | Thrombectomy catheter system with occluder and method of using same |
| JP2013126573A (en) * | 2013-03-15 | 2013-06-27 | Sentan Iryo Kaihatsu:Kk | Suction catheter |
| CN205126342U (en) * | 2015-11-06 | 2016-04-06 | 深圳迈德科技有限公司 | Thrombus suction device |
| CN106691533A (en) * | 2017-01-23 | 2017-05-24 | 江苏尼科医疗器械有限公司 | Balloon guiding catheter |
| CN106859728A (en) * | 2017-02-09 | 2017-06-20 | 上海唯域医疗科技有限公司 | One kind is new to take bolt conduit system |
| CN107405159A (en) * | 2015-02-04 | 2017-11-28 | 92号医疗公司 | Quick aspirate thrombi removes system and method |
| CN206964660U (en) * | 2017-02-15 | 2018-02-06 | 苏州大学附属第二医院 | Two-chamber takes bolt pipe |
| CN108113734A (en) * | 2016-11-28 | 2018-06-05 | 尼尔拉维有限公司 | For removing the apparatus and method of acute tamper from blood vessel |
-
2018
- 2018-09-17 CN CN201811082485.8A patent/CN108852465B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7220269B1 (en) * | 2003-11-06 | 2007-05-22 | Possis Medical, Inc. | Thrombectomy catheter system with occluder and method of using same |
| JP2013126573A (en) * | 2013-03-15 | 2013-06-27 | Sentan Iryo Kaihatsu:Kk | Suction catheter |
| CN107405159A (en) * | 2015-02-04 | 2017-11-28 | 92号医疗公司 | Quick aspirate thrombi removes system and method |
| CN205126342U (en) * | 2015-11-06 | 2016-04-06 | 深圳迈德科技有限公司 | Thrombus suction device |
| CN108113734A (en) * | 2016-11-28 | 2018-06-05 | 尼尔拉维有限公司 | For removing the apparatus and method of acute tamper from blood vessel |
| CN106691533A (en) * | 2017-01-23 | 2017-05-24 | 江苏尼科医疗器械有限公司 | Balloon guiding catheter |
| CN106859728A (en) * | 2017-02-09 | 2017-06-20 | 上海唯域医疗科技有限公司 | One kind is new to take bolt conduit system |
| CN206964660U (en) * | 2017-02-15 | 2018-02-06 | 苏州大学附属第二医院 | Two-chamber takes bolt pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108852465A (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3841989B1 (en) | Intravascular catheter | |
| US10220134B2 (en) | Transseptal access device and method of use | |
| KR101317434B1 (en) | Catheter for removing thrombus in blood vessel | |
| US20110245751A1 (en) | Methods and devices for percutaneous and surgical interventions | |
| EP3581150A1 (en) | Puncturing device and anchoring device | |
| CN111759399A (en) | Thrombus taking device | |
| WO2009114277A1 (en) | Apparatus for visualization of coronary vein procedure | |
| CN205698849U (en) | Band sacculus coronary sinus vein suction catheter | |
| EP3143952B1 (en) | Irregularly-shaped balloon-type ureteral stone blockage extractor | |
| CN111803178A (en) | Embolectomy sleeve and embolectomy balloon catheter assembly kit | |
| CN108852465B (en) | Multifunctional bolt suction device | |
| CN215739330U (en) | Device is put into fast to arteriopuncture seal wire sheath pipe | |
| CN111419338A (en) | Balloon suction catheter device for intracranial thrombus removal | |
| CN215134313U (en) | Quick-exchange thrombolytic withdrawing system | |
| JP2018508262A (en) | Apparatus and method for delivering treatment within a body lumen of a patient | |
| CN107550534B (en) | Antegrade descending aortic balloon blocker | |
| CN209751772U (en) | Microcatheter and microcatheter set | |
| US11376034B2 (en) | Devices for removing obstructing materials from blood vessels | |
| WO2021115420A1 (en) | Negative-pressure stone removal sheath | |
| CN212700034U (en) | Balloon suction catheter device for intracranial thrombus removal | |
| CN210277292U (en) | Air bag driving type ligation device | |
| CN209422645U (en) | Blood transfusion needle assemblies in fetal spaces | |
| CN114642819A (en) | Drainage tube fixing device for abdominal tumor operation | |
| CN102764143A (en) | Cat-claw puncture biopsy trocar | |
| WO2020087963A1 (en) | Medical catheter and guide core device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230727 Address after: No. 602, bay17 Middle Road, Fuzhou, Fujian 350004 Applicant after: PEOPLE'S HOSPITAL AFFILIATED TO FUJIAN University OF TRADITIONAL CHINESE MEDICINE (FUJIAN PROVINCIAL PEOPLE'S HOSPITAL) Address before: 350000 b5-1705, rongxinlan County, Fuer Road, Gulou District, Fuzhou City, Fujian Province Applicant before: Xia Yin |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |