CN109224150B - Hydrops pjncture needle with strut netted support - Google Patents
Hydrops pjncture needle with strut netted support Download PDFInfo
- Publication number
- CN109224150B CN109224150B CN201811280082.4A CN201811280082A CN109224150B CN 109224150 B CN109224150 B CN 109224150B CN 201811280082 A CN201811280082 A CN 201811280082A CN 109224150 B CN109224150 B CN 109224150B
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- CN
- China
- Prior art keywords
- puncture needle
- main body
- connecting sleeve
- needle main
- hydrops
- 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.)
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- 241000521257 Hydrops Species 0.000 title claims abstract description 20
- 206010030113 Oedema Diseases 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 abstract description 10
- 210000004072 lung Anatomy 0.000 abstract description 5
- 230000001338 necrotic effect Effects 0.000 abstract description 4
- 201000003144 pneumothorax Diseases 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 abstract description 3
- 206010048612 Hydrothorax Diseases 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 206010003445 Ascites Diseases 0.000 description 2
- 208000002151 Pleural effusion Diseases 0.000 description 2
- 210000003567 ascitic fluid Anatomy 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 206010008479 Chest Pain Diseases 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 208000019790 abdominal distention Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgical Instruments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of liquid pumping equipment, in particular to a hydrops puncture needle with a supporting net-shaped support, which comprises a puncture needle main body, wherein a connecting sleeve is arranged at one end of the puncture needle main body, which is far away from a needle head, a supporting mechanism is connected at one end of the puncture needle main body, which is far away from the connecting sleeve, the puncture needle main body is connected with a hard catheter through the connecting sleeve, the supporting mechanism comprises a supporting frame which can be supported, a movable ball is connected at one end of the supporting frame which can be supported, and a fixed ball is connected at one end of the supporting frame, which is far away from the movable ball; the circumference of the movable ball is connected with a thin steel wire. According to the invention, the metal reticular bracket is arranged, so that pneumothorax formation caused by the puncture of the lung tissue by the needle point of the puncture needle main body can be effectively prevented; meanwhile, after the metal net is spread, the effusion in the tissue can be rapidly sucked, and the metal net filters sediment or necrotic tissue in the hydrothorax, so that the pinhole is prevented from being blocked, and the liquid suction failure is caused.
Description
Technical Field
The invention relates to the technical field of liquid suction equipment, in particular to a hydrops puncture needle with a supporting net-shaped support.
Background
Pleural effusion or peritoneal effusion is a clinically common disease that can cause symptoms of chest distress or abdominal distention. The use of a needle to withdraw fluid product for screening is clinically desirable to specifically diagnose and alleviate clinical symptoms in patients. At present, a puncture needle commonly used in clinic easily punctures lung tissues or intestinal tracts, even blood vessels after entering the thoracic cavity or the abdominal cavity, and causes pneumothorax or intestinal damage and other complications. Meanwhile, the pleural effusion and the peritoneal effusion contain a large amount of sediment and necrotic tissues, which are easy to block the puncture needle tube and can cause puncture and liquid suction failure. In view of the two disadvantages of the existing puncture needle, we propose a puncture needle with a supporting reticular bracket.
Disclosure of Invention
The invention aims to provide a hydrops puncture needle with a supporting net-shaped support, so as to solve the problem that tissue necrosis blocks a puncture needle hole in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a hydrops pjncture needle with strut netted support, includes the pjncture needle main part, the pjncture needle main part is kept away from the one end of syringe needle and is provided with the adapter sleeve, the pjncture needle main part is kept away from the one end of adapter sleeve is connected with struts the mechanism, the pjncture needle main part is through adapter sleeve is connected with the stereoplasm pipe, install the slope on the periphery of stereoplasm pipe and set up the governing tube, the stereoplasm pipe is kept away from the one end of adapter sleeve is connected with the rubber hose, the rubber hose is kept away from the one end of stereoplasm pipe is connected with the syringe connector;
The expanding mechanism comprises a metal reticular bracket, one end part of the metal reticular bracket is connected with a movable ball, and one end part of the metal reticular bracket, which is far away from the movable ball, is connected with a fixed ball;
The circumference of the movable ball is connected with a thin steel wire, and the thin steel wire sequentially penetrates through the puncture needle body, the connecting sleeve, the hard catheter and the adjusting tube and extends to the outer part of the adjusting tube.
Preferably, an end of the puncture needle body is sleeved with the connecting sleeve, and an end of the hard catheter is sleeved with the connecting sleeve.
Preferably, the movable ball is matched with the puncture needle body in diameter and size, and the movable ball is in sliding connection with the puncture needle body.
Preferably, the diameter of the fixing ball is smaller than the diameter of the puncture needle body.
Preferably, the inside of the movable ball is of a hollow structure, and a plurality of through holes which are uniformly and equidistantly arranged are formed in the surface of the movable ball.
Preferably, a movable sealing plug is arranged in the adjusting pipe, a push-pull rod is connected to the center of the movable sealing plug, a pull handle is connected to one end of the push-pull rod, which is far away from the movable sealing plug, and a thin steel wire is connected to the center of the movable sealing plug, which is far away from the movable ball.
Preferably, the length of the adjusting tube is greater than that of the metal mesh bracket, and the length of the push-pull rod is greater than that of the adjusting tube.
Preferably, the diameter of the movable sealing plug is matched with the diameter of the adjusting tube, and the movable sealing plug is in sliding fit with the inner wall of the adjusting tube.
Compared with the prior art, the invention has the beneficial effects that:
1. The hydrops puncture needle with the supporting net bracket has simple structure and simple operation, the metal net bracket can support the tissue after the puncture needle main body is penetrated into the tissue, the needle point of the puncture needle main body is prevented from scratching other areas in the tissue, and meanwhile, after the hydrops in the tissue is supported, the dead tissue is prevented from blocking a needle hole, and the contact between the tissue and the needle point is avoided; the retraction and the extension of the metal reticular bracket can be controlled by pushing and pulling the thin steel wire.
2. This hydrops pjncture needle with prop up netted support can seal the regulation intraductal through the movable sealing plug that sets up, prevents when drawing tissue hydrops that the condition of gas leakage or weeping from taking place, push-pull rod and the pulling handle that set up simultaneously conveniently adjust thin steel wire.
3. According to the invention, by arranging the metal mesh support, the retraction and the extension of the metal mesh support can be controlled by pushing and pulling the thin steel wires, and after the puncture needle body penetrates into the thoracic cavity, the opened metal mesh can prop open lung tissues, so that the puncture needle tip is prevented from contacting the lung tissues, and pneumothorax is effectively prevented from being formed due to the puncture of the lung tissues by the needle tip of the puncture needle body; meanwhile, after the metal net is spread, the effusion in the tissue can be rapidly sucked, and the metal net filters sediment or necrotic tissue in the hydrothorax, so that the pinhole is prevented from being blocked, and the liquid suction failure is caused.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the invention when liquid is pumped;
FIG. 2 is a schematic view of a three-dimensional structure of an un-extracted liquid according to the present invention;
FIG. 3 is a schematic diagram of the front view structure of the liquid pump of the present invention;
FIG. 4 is a schematic diagram of a front view of an un-pumped liquid according to the present invention;
FIG. 5 is a schematic view of the structure of the movable ball according to the present invention;
In the figure: 1. a rigid catheter; 2. a connection sleeve; 3. an adjusting tube; 4. a lancet body; 5. a spreading mechanism; 51. a metal mesh stent; 52. a movable ball; 53. a fixed ball; 54. a through hole; 6. a thin steel wire; 7. a movable sealing plug; 8. a push-pull rod; 9. pulling the handle; 10. a rubber hose; 11. a syringe connector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
The hydrops puncture needle with a supporting net-shaped support is shown in fig. 1, 2 and 5, and comprises a puncture needle main body 4, wherein one end of the puncture needle main body 4, which is far away from a needle head, is provided with a connecting sleeve 2, one end of the puncture needle main body 4, which is far away from the connecting sleeve 2, is connected with a supporting mechanism 5, the puncture needle main body 4 is connected with a hard catheter 1 through the connecting sleeve 2, the circumferential surface of the hard catheter 1 is provided with an inclined setting adjusting tube 3, one end of the hard catheter 1, which is far away from the connecting sleeve 2, is connected with a rubber hose 10, and one end of the rubber hose 10, which is far away from the hard catheter 1, is connected with a syringe connector 11; the expanding mechanism 5 comprises a metal net-shaped bracket 51, the metal net-shaped bracket 51 can be expanded in a telescopic way, one end part of the metal net-shaped bracket 51 is connected with a movable ball 52, and one end part of the metal net-shaped bracket 51 far away from the movable ball 52 is connected with a fixed ball 53; the circumference of the movable ball 52 is connected with a thin steel wire 6, and the thin steel wire 6 sequentially passes through the puncture needle body 4, the connecting sleeve 2, the hard catheter 1 and the adjusting tube 3 and extends to the outside of the adjusting tube 3.
Specifically, one end of the puncture needle body 4 is sleeved with the connecting sleeve 2, and one end of the hard catheter 1 is sleeved with the connecting sleeve 2.
Further, the movable ball 52 is matched with the diameter of the puncture needle body 4 in size, and the movable ball 52 is connected with the puncture needle body 4 in a sliding way.
Further, the diameter of the fixing ball 53 is smaller than the diameter of the lancet body 4, preventing clogging of the lancet body 4.
It should be noted that, in the present embodiment, the syringe connector 11 is of a hollow cylindrical structure and is made of a rubber material, so that the tightness is enhanced when the syringe is connected with the syringe connector 11.
It should be noted that, the inside of the movable ball 52 is a hollow structure, and the surface of the movable ball 52 is provided with a plurality of through holes 54 which are uniformly and equidistantly arranged, so that the effusion in the tissue can conveniently enter the puncture needle main body 4.
In the embodiment, the metal mesh bracket 51 can prop open the tissue after the puncture needle body 4 is penetrated into the tissue, so that the needle tip of the puncture needle body 4 is prevented from scratching other areas in the tissue, and meanwhile, after prop open, the effusion in the tissue can be rapidly sucked, the necrotic tissue is prevented from blocking the needle hole, and the contact between the tissue and the needle tip is avoided; the retraction of the metal mesh support 51 can be controlled by pushing and pulling the thin steel wires 6.
Example 2
In order to solve the problem that the extraction efficiency is affected due to leakage and air leakage of the adjusting tube 3 when tissue fluid is extracted, the inventor improves the adjusting tube 3 in the embodiment 1, as a preferable technical scheme of the embodiment 1, as shown in fig. 3-4, a movable sealing plug 7 is arranged in the adjusting tube 3, a push-pull rod 8 is connected to the center of the movable sealing plug 7, a pull handle 9 is connected to one end of the push-pull rod 8 away from the movable sealing plug 7, and one end of the thin steel wire 6 away from the movable ball 52 is connected to the center of the movable sealing plug 7.
Further, the length of the adjusting tube 3 is longer than that of the metal mesh bracket 51, and the length of the push-pull rod 8 is longer than that of the adjusting tube 3.
In addition, the diameter of the movable sealing plug 7 is matched with the diameter of the adjusting tube 3, and the movable sealing plug 7 is in sliding fit with the inner wall of the adjusting tube 3.
The inside of the adjusting tube 3 can be sealed through the movable sealing plug 7, so that the condition of air leakage or liquid leakage is prevented when tissue effusion is extracted, and meanwhile, the push-pull rod 8 and the pull handle 9 are arranged to facilitate adjusting the thin steel wire 6.
When the hydrops puncture needle with the supporting net support is used, medical staff inserts the puncture needle body 4 into tissues, then pushes the pull handle 9 to push the movable ball 52 by the thin steel wire 6, separates the metal net support 51 from the puncture needle body 4, at the moment, the metal net support 51 supports the tissues, the injector is connected to the rubber hose 10 through the injector connector 11, the pull rod for pulling the injector is pulled through, so that negative pressure is generated in the hard catheter 1, the puncture needle body 4 extracts tissue hydrops, after hydrops is taken out, the pull handle 9 is pulled by hand, the movable ball 52 is pulled by the thin steel wire 6, the metal net support 51 is contracted into the puncture needle body 4, and finally the puncture needle body 4 is pulled out.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Hydrops pjncture needle with strut netted support, including pjncture needle main part (4), its characterized in that: one end of the puncture needle main body (4) far away from the needle head is provided with a connecting sleeve (2), one end part of the puncture needle main body (4) far away from the connecting sleeve (2) is connected with a spreading mechanism (5), the puncture needle main body (4) is connected with a hard catheter (1) through the connecting sleeve (2), an inclined adjusting tube (3) is arranged on the circumferential surface of the hard catheter (1), one end part of the hard catheter (1) far away from the connecting sleeve (2) is connected with a rubber hose (10), and one end part of the rubber hose (10) far away from the hard catheter (1) is connected with a syringe connector (11);
the expanding mechanism (5) comprises a metal mesh support (51), one end part of the metal mesh support (51) is connected with a movable ball (52), and one end part of the metal mesh support (51) far away from the movable ball (52) is connected with a fixed ball (53);
The circumference of the movable ball (52) is connected with a thin steel wire (6), and the thin steel wire (6) sequentially penetrates through the puncture needle main body (4), the connecting sleeve (2), the hard catheter (1) and the adjusting tube (3) and extends to the outside of the adjusting tube (3); the diameter of the movable ball (52) is matched with the diameter of the puncture needle main body (4), and the movable ball (52) is in sliding connection with the puncture needle main body (4); the diameter of the fixing ball (53) is smaller than that of the puncture needle main body (4); the inside of movable ball (52) is hollow structure, and a plurality of evenly equidistance arranged through-holes (54) have been seted up on the surface of movable ball (52), in the hydrops entering pjncture needle main part of being convenient for.
2. The hydrops puncture needle with a prop open mesh stent of claim 1, wherein: one end of the puncture needle main body (4) is sleeved with the connecting sleeve (2), and one end of the hard catheter (1) is sleeved with the connecting sleeve (2).
3. The hydrops puncture needle with a prop open mesh stent of claim 1, wherein: the adjustable sealing device is characterized in that a movable sealing plug (7) is arranged in the adjusting tube (3), a push-pull rod (8) is connected to the center of the movable sealing plug (7), a pull handle (9) is connected to one end portion, away from the movable sealing plug (7), of the push-pull rod (8), and one end portion, away from the movable ball (52), of the thin steel wire (6) is connected to the center of the movable sealing plug (7).
4. A hydrops puncture needle with a supporting net shaped support according to claim 3, characterized in that: the length of the adjusting tube (3) is larger than that of the metal net-shaped support (51), and the length of the push-pull rod (8) is larger than that of the adjusting tube (3).
5. A hydrops puncture needle with a supporting net shaped support according to claim 3, characterized in that: the diameter of the movable sealing plug (7) is matched with the diameter of the adjusting pipe (3), and the movable sealing plug (7) is in sliding fit with the inner wall of the adjusting pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280082.4A CN109224150B (en) | 2018-10-30 | 2018-10-30 | Hydrops pjncture needle with strut netted support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280082.4A CN109224150B (en) | 2018-10-30 | 2018-10-30 | Hydrops pjncture needle with strut netted support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109224150A CN109224150A (en) | 2019-01-18 |
| CN109224150B true CN109224150B (en) | 2024-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811280082.4A Active CN109224150B (en) | 2018-10-30 | 2018-10-30 | Hydrops pjncture needle with strut netted support |
Country Status (1)
| Country | Link |
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| CN (1) | CN109224150B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846530A (en) * | 2019-01-31 | 2019-06-07 | 陈瑜 | A kind of tumor operation cutting tool |
| CN115813440A (en) * | 2020-02-11 | 2023-03-21 | 荆州市中心医院(长江大学附属荆州医院) | Multi-point inspection device of intervention |
| CN116098572A (en) * | 2022-11-23 | 2023-05-12 | 上海视介光电科技有限公司 | A thoracoscopic sleeve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209187692U (en) * | 2018-10-30 | 2019-08-02 | 南京市胸科医院 | It is a kind of with the effusion puncture needle for strutting network |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4240433A (en) * | 1977-07-22 | 1980-12-23 | Bordow Richard A | Fluid aspiration device and technique for reducing the risk of complications |
| DE8904371U1 (en) * | 1989-04-07 | 1989-06-08 | Herzberg, Wolfgang, Dr. med., 2000 Wedel | Outlet and instrument channel for arthroscopy |
| US6547761B2 (en) * | 2000-01-07 | 2003-04-15 | Scimed Life Systems, Inc. | Drainage catheter |
| US6837871B2 (en) * | 2000-06-20 | 2005-01-04 | Applied Medical Resources | Self-deploying catheter assembly |
| JP2003116982A (en) * | 2001-10-10 | 2003-04-22 | Medicos Hirata:Kk | System for drainage of gallbladder through duodenum under endoscope |
| CA2678595A1 (en) * | 2007-02-22 | 2008-08-28 | Spine View, Inc. | Expandable rotating device and method for tissue aspiration |
| IT1396017B1 (en) * | 2009-10-15 | 2012-11-09 | Gibertoni | MEDICAL DEVICE FOR THE APPLICATION OF CATHETER, PARTICULARLY FOR THORACENTESIS PROCEDURES. |
| CN101912291B (en) * | 2010-07-02 | 2011-12-07 | 魏云海 | Puncture cannulation instrument |
| CA2939137A1 (en) * | 2014-04-30 | 2015-11-05 | Soffio Medical Inc. | Methods and devices for treating a hyper-inflated lung |
| WO2016070147A1 (en) * | 2014-10-31 | 2016-05-06 | Cerevasc, Llc | Methods and systems for treating hydrocephalus |
| CN105944163A (en) * | 2016-06-28 | 2016-09-21 | 张建生 | Expandable percutaneous drainage tube |
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2018
- 2018-10-30 CN CN201811280082.4A patent/CN109224150B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209187692U (en) * | 2018-10-30 | 2019-08-02 | 南京市胸科医院 | It is a kind of with the effusion puncture needle for strutting network |
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