CN114366998A - Preparation process of variable-diameter intracranial balloon - Google Patents
Preparation process of variable-diameter intracranial balloon Download PDFInfo
- Publication number
- CN114366998A CN114366998A CN202210061560.2A CN202210061560A CN114366998A CN 114366998 A CN114366998 A CN 114366998A CN 202210061560 A CN202210061560 A CN 202210061560A CN 114366998 A CN114366998 A CN 114366998A
- Authority
- CN
- China
- Prior art keywords
- balloon
- variable
- tube
- diameter
- welding
- 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.)
- Pending
Links
- 238000007917 intracranial administration Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 35
- 238000001125 extrusion Methods 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 15
- 210000005077 saccule Anatomy 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229920000571 Nylon 11 Polymers 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 abstract description 19
- 230000003044 adaptive effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Images
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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1034—Joining of shaft and balloon
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1036—Making parts for balloon catheter systems, e.g. shafts or distal ends
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1038—Wrapping or folding devices for use with balloon catheters
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1027—Making of balloon catheters
- A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
- A61M2025/1031—Surface processing of balloon members, e.g. coating or deposition; Mounting additional parts onto the balloon member's surface
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0687—Skull, cranium
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Child & Adolescent Psychology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a preparation process of a variable-diameter intracranial balloon, wherein the preparation process of the variable-diameter intracranial balloon comprises the steps of carrying out extrusion molding on mixed material particles and forming an outer tube; stretching the variable-diameter section in the outer pipe in a stretching die; welding the outer tube to the near end of the balloon, and highlighting the variable-diameter section; welding an inner tube at the far end of the balloon, and performing tip molding on the inner tube; coating hydrophilic coatings on the balloon, the outer tube and the inner tube; the balloon is folded, a protective tube and a lining wire are sleeved on the balloon to form a variable-diameter intracranial balloon, wherein the variable-diameter section of the outer tube is protruded from the balloon and is welded at the near end of the balloon through the outer tube, and the balloon is folded so as to ensure the flexibility, the compliance and the pressure resistance of the balloon, can pass through narrow blood vessels or tiny blood vessels and is adaptive to passing spaces of various blood vessels.
Description
Technical Field
The invention relates to the technical field of a preparation process of a variable-diameter intracranial balloon, in particular to a preparation process of a variable-diameter intracranial balloon.
Background
With the development of science and technology, a common intracranial balloon is applied to various blood vessels and is formed by connecting the balloon with various pipelines, wherein various pipelines are welded on the balloon, but the pipelines are not subjected to diameter-changing treatment in the processing process, so that the existing common intracranial balloon cannot adapt to the spaces of various blood vessels.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme:
according to one aspect of the invention, the invention provides a process for preparing a variable-diameter intracranial balloon, which comprises the following steps:
performing extrusion molding on the mixed material particles to form an outer pipe;
stretching the variable-diameter section in the outer pipe in a stretching die;
welding the outer tube to the near end of the balloon, and highlighting the variable-diameter section;
welding an inner tube at the far end of the balloon, and performing tip molding on the inner tube;
coating hydrophilic coatings on the balloon, the outer tube and the inner tube;
and folding the saccule, and sleeving a protective tube and a lining wire to form the variable-diameter intracranial saccule.
Optionally, the extruding the mixture granules and forming the outer tube includes:
nylon11 and Pebax7233 were mixed at 6: 4, mixing to form a first mixture;
performing extrusion molding on the first mixture in a first extrusion molding die to form an outer tube, wherein the extrusion temperature is 190 ℃, and the cooling temperature is 28 ℃;
the outer tube had an inner diameter of 0.72mm and an outer diameter of 0.85 mm.
Optionally, the welding the outer tube to the proximal end of the balloon and highlighting the tapered section comprises:
pebax7033 and Pebax6333 were mixed at 8: 2, mixing to form a second mixture;
performing extrusion molding on the second mixture in a second extrusion molding die to form the balloon, wherein the extrusion molding temperature is 180 ℃, and the cooling temperature is 25 ℃;
the inner diameter of the material pipe of the balloon is 0.17mm, and the outer diameter is 0.30 mm.
Optionally, the welding the inner tube to the distal end of the balloon, and performing tip shaping on the inner tube, includes:
carrying out oven treatment on the inner tube, and welding the inner tube and the tip tube;
carrying out developing ring pressing and holding on the inner tube and the tip tube;
and welding the formed inner tube to the far end of the balloon.
Optionally, after welding the inner tube to the distal end of the balloon and performing tip shaping on the inner tube, the method further includes:
welding a wire guide opening of the inner pipe;
sleeving the outer sleeve with a pressure reducing pipe and performing transition welding;
the balloon was subjected to a positive pressure test.
Optionally, the folding the balloon and sleeving the protective tube and the lining wire to form the variable-diameter intracranial balloon, includes:
folding the balloon;
sleeving a protection tube and a lining wire on the folded balloon;
and carrying out negative pressure side leakage test on the saccule which is sleeved with the protective tube and the lining wire.
Optionally, the folding of the balloon and the sleeving of the protective tube and the lining wire to form the variable-diameter intracranial balloon further include:
cutting the protective tube, and adapting to the length of the folded saccule;
the opening of the protective tube is widened.
Optionally, the folding of the balloon and the sleeving of the protective tube and the lining wire to form the variable-diameter intracranial balloon further include:
and (4) filling the saccule subjected to the negative pressure side leakage test into a coil pipe, and packaging.
According to the technical scheme, the embodiment of the invention at least has the following advantages and positive effects:
in the preparation process of the variable-diameter intracranial balloon, the mixed material particles are subjected to extrusion molding to form an outer tube; stretching the variable-diameter section in the outer pipe in a stretching die; welding the outer tube to the near end of the balloon, and highlighting the variable-diameter section; welding an inner tube at the far end of the balloon, and performing tip molding on the inner tube; coating hydrophilic coatings on the balloon, the outer tube and the inner tube; the balloon is folded, a protective tube and a lining wire are sleeved on the balloon to form a variable-diameter intracranial balloon, wherein the variable-diameter section of the outer tube is protruded from the balloon and is welded at the near end of the balloon through the outer tube, and the balloon is folded so as to ensure the flexibility, the compliance and the pressure resistance of the balloon, can pass through narrow blood vessels or tiny blood vessels and is adaptive to passing spaces of various blood vessels.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a process for making a variable-diameter intracranial balloon according to the present invention;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
With the development of science and technology, a common intracranial balloon is applied to various blood vessels and is formed by connecting the balloon with various pipelines, wherein various pipelines are welded on the balloon, but the pipelines are not subjected to diameter-changing treatment in the processing process, so that the existing common intracranial balloon machine cannot adapt to the spaces of various blood vessels.
Referring to fig. 1, the invention provides a process for preparing a variable-diameter intracranial balloon, which comprises the following steps:
step S11, performing extrusion molding on the mixture particles to form an outer tube;
step S12, stretching the variable-diameter section in the outer pipe in a stretching die;
step S13, welding the outer tube to the near end of the balloon, and highlighting the variable-diameter section;
step S14, welding an inner tube at the far end of the balloon, and performing tip molding on the inner tube;
step S15, coating hydrophilic coatings on the balloon, the outer tube and the inner tube;
and step S16, folding the balloon, and sleeving a protection tube and a lining wire to form the variable-diameter intracranial balloon.
In the preparation process of the variable-diameter intracranial balloon, the mixed material particles are subjected to extrusion molding to form an outer tube; stretching the variable-diameter section in the outer pipe in a stretching die; welding the outer tube to the near end of the balloon, and highlighting the variable-diameter section; welding an inner tube at the far end of the balloon, and performing tip molding on the inner tube; coating hydrophilic coatings on the balloon, the outer tube and the inner tube; the balloon is folded, a protective tube and a lining wire are sleeved on the balloon to form a variable-diameter intracranial balloon, wherein the variable-diameter section of the outer tube is protruded from the balloon and is welded at the near end of the balloon through the outer tube, and the balloon is folded so as to ensure the flexibility, the compliance and the pressure resistance of the balloon, can pass through narrow blood vessels or tiny blood vessels and is adaptive to passing spaces of various blood vessels.
In step S11; carry out extrusion molding with the mixture grain to form the outer tube, specifically include:
nylon11 and Pebax7233 were mixed at 6: 4, mixing to form a first mixture;
performing extrusion molding on the first mixture in a first extrusion molding die to form an outer tube, wherein the extrusion temperature is 190 ℃, and the cooling temperature is 28 ℃;
the outer tube had an inner diameter of 0.72mm and an outer diameter of 0.85 mm.
In step S12; the variable-diameter section in the outer tube is stretched in a stretching die, wherein the variable-diameter section of the outer tube is stretched to have a variable-diameter function, so that the variable-diameter intracranial balloon can conveniently pass through a narrow blood vessel or a tiny blood vessel and is adaptive to passing spaces of various blood vessels.
In step S13; the welding of outer tube in the near-end of sacculus to highlight the reducing section specifically includes:
pebax7033 and Pebax6333 were mixed at 8: 2, mixing to form a second mixture;
performing extrusion molding on the second mixture in a second extrusion molding die to form the balloon, wherein the extrusion molding temperature is 180 ℃, and the cooling temperature is 25 ℃;
the inner diameter of the material pipe of the balloon is 0.17mm, and the outer diameter is 0.30 mm.
In step S14, welding the inner tube to the distal end of the balloon, and performing tip molding on the inner tube, specifically including:
carrying out oven treatment on the inner tube, and welding the inner tube and the tip tube;
carrying out developing ring pressing and holding on the inner tube and the tip tube;
and welding the formed inner tube to the far end of the balloon.
In addition, after welding the inner tube to the distal end of the balloon and performing tip shaping on the inner tube, the method further comprises the following steps:
welding a wire guide opening of the inner pipe;
sleeving the outer sleeve with a pressure reducing pipe and performing transition welding;
the balloon was subjected to a positive pressure test.
In step S15, the balloon, the outer tube and the inner tube are coated with a hydrophilic coating, wherein the hydrophilic coating covers the balloon, the outer tube and the inner tube, so that the balloon, the outer tube and the inner tube can swim to the vascular space under the action of the hydrophilic coating.
In step S16, folding the balloon, and sleeving a protection tube and a lining wire to form a variable diameter intracranial balloon, specifically comprising:
folding the balloon;
sleeving a protection tube and a lining wire on the folded balloon;
and carrying out negative pressure side leakage test on the saccule which is sleeved with the protective tube and the lining wire.
Optionally, the folding of the balloon and the sleeving of the protective tube and the lining wire to form the variable-diameter intracranial balloon further include:
cutting the protective tube, and adapting to the length of the folded saccule;
the opening of the protective tube is widened.
Optionally, the folding of the balloon and the sleeving of the protective tube and the lining wire to form the variable-diameter intracranial balloon further include:
and (4) filling the saccule subjected to the negative pressure side leakage test into a coil pipe, and packaging.
According to the technical scheme, the embodiment of the invention at least has the following advantages and positive effects:
in the preparation process of the variable-diameter intracranial balloon, the mixed material particles are subjected to extrusion molding to form an outer tube; stretching the variable-diameter section in the outer pipe in a stretching die; welding the outer tube to the near end of the balloon, and highlighting the variable-diameter section; welding an inner tube at the far end of the balloon, and performing tip molding on the inner tube; coating hydrophilic coatings on the balloon, the outer tube and the inner tube; the balloon is folded, a protective tube and a lining wire are sleeved on the balloon to form a variable-diameter intracranial balloon, wherein the variable-diameter section of the outer tube is protruded from the balloon and is welded at the near end of the balloon through the outer tube, and the balloon is folded so as to ensure the flexibility, the compliance and the pressure resistance of the balloon, can pass through narrow blood vessels or tiny blood vessels and is adaptive to passing spaces of various blood vessels.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A preparation process of a variable-diameter intracranial balloon is characterized by comprising the following steps of:
performing extrusion molding on the mixed material particles to form an outer pipe;
stretching the variable-diameter section in the outer pipe in a stretching die;
welding the outer tube to the near end of the balloon, and highlighting the variable-diameter section;
welding an inner tube at the far end of the balloon, and performing tip molding on the inner tube;
coating hydrophilic coatings on the balloon, the outer tube and the inner tube;
and folding the saccule, and sleeving a protective tube and a lining wire to form the variable-diameter intracranial saccule.
2. The process for preparing a variable diameter intracranial balloon as in claim 1, wherein the extruding the mixed pellet and forming the outer tube comprises:
nylon11 and Pebax7233 were mixed at 6: 4, mixing to form a first mixture;
performing extrusion molding on the first mixture in a first extrusion molding die to form an outer tube, wherein the extrusion temperature is 190 ℃, and the cooling temperature is 28 ℃;
the outer tube had an inner diameter of 0.72mm and an outer diameter of 0.85 mm.
3. The process for preparing a variable-diameter intracranial balloon according to claim 1, wherein the welding of the outer tube to the proximal end of the balloon and the highlighting of the variable-diameter section comprises:
pebax7033 and Pebax6333 were mixed at 8: 2, mixing to form a second mixture;
performing extrusion molding on the second mixture in a second extrusion molding die to form the balloon, wherein the extrusion molding temperature is 180 ℃, and the cooling temperature is 25 ℃;
the inner diameter of the material pipe of the balloon is 0.17mm, and the outer diameter is 0.30 mm.
4. The process for preparing a variable diameter intracranial balloon according to claim 1, wherein welding an inner tube to the distal end of the balloon and tip-forming the inner tube comprises:
carrying out oven treatment on the inner tube, and welding the inner tube and the tip tube;
carrying out developing ring pressing and holding on the inner tube and the tip tube;
and welding the formed inner tube to the far end of the balloon.
5. The process for preparing a variable diameter intracranial balloon according to claim 4, wherein the welding the inner tube to the distal end of the balloon and the tip-forming the inner tube further comprises:
welding a wire guide opening of the inner pipe;
sleeving the outer sleeve with a pressure reducing pipe and performing transition welding;
the balloon was subjected to a positive pressure test.
6. The process for preparing a variable diameter intracranial balloon as defined in claim 1, wherein folding the balloon and sleeving a protective tube and a liner wire to form the variable diameter intracranial balloon comprises:
folding the balloon;
sleeving a protection tube and a lining wire on the folded balloon;
and carrying out negative pressure side leakage test on the saccule which is sleeved with the protective tube and the lining wire.
7. The method of manufacturing a variable diameter intracranial balloon as recited in claim 6, wherein the folding the balloon and sleeving the protective tube and the liner wire to form the variable diameter intracranial balloon further comprises:
cutting the protective tube, and adapting to the length of the folded saccule;
the opening of the protective tube is widened.
8. The method of manufacturing a variable diameter intracranial balloon as recited in claim 6, wherein the folding the balloon and sleeving the protective tube and the liner wire to form the variable diameter intracranial balloon further comprises:
and (4) filling the saccule subjected to the negative pressure side leakage test into a coil pipe, and packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210061560.2A CN114366998A (en) | 2022-01-19 | 2022-01-19 | Preparation process of variable-diameter intracranial balloon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210061560.2A CN114366998A (en) | 2022-01-19 | 2022-01-19 | Preparation process of variable-diameter intracranial balloon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114366998A true CN114366998A (en) | 2022-04-19 |
Family
ID=81146127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210061560.2A Pending CN114366998A (en) | 2022-01-19 | 2022-01-19 | Preparation process of variable-diameter intracranial balloon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114366998A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1023913A1 (en) * | 1997-10-08 | 2000-08-02 | Kaneka Corporation | Balloon catheter and method of production thereof |
| CN104936629A (en) * | 2012-10-26 | 2015-09-23 | 优敦力公司 | Drug coated balloon catheters for nonvascular strictures |
| CN108888849A (en) * | 2018-03-26 | 2018-11-27 | 安徽富美医疗科技有限公司 | A kind of PTA sacculus dilating catheter and its manufacturing process |
| CN208259999U (en) * | 2018-09-30 | 2018-12-21 | 上海英诺伟医疗器械有限公司 | Variable diameter expansion of balloon catheter |
| CN214074662U (en) * | 2020-10-30 | 2021-08-31 | 威高奋威健康科技发展(上海)有限公司 | High-pressure-resistance low-compliance balloon dilatation catheter |
-
2022
- 2022-01-19 CN CN202210061560.2A patent/CN114366998A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1023913A1 (en) * | 1997-10-08 | 2000-08-02 | Kaneka Corporation | Balloon catheter and method of production thereof |
| CN104936629A (en) * | 2012-10-26 | 2015-09-23 | 优敦力公司 | Drug coated balloon catheters for nonvascular strictures |
| CN108888849A (en) * | 2018-03-26 | 2018-11-27 | 安徽富美医疗科技有限公司 | A kind of PTA sacculus dilating catheter and its manufacturing process |
| CN208259999U (en) * | 2018-09-30 | 2018-12-21 | 上海英诺伟医疗器械有限公司 | Variable diameter expansion of balloon catheter |
| CN214074662U (en) * | 2020-10-30 | 2021-08-31 | 威高奋威健康科技发展(上海)有限公司 | High-pressure-resistance low-compliance balloon dilatation catheter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5782809A (en) | Vascular catheter | |
| JP5267456B2 (en) | Stent delivery system | |
| US5951495A (en) | Catheter having an adhesive braid wire constraint and method of manufacture | |
| EP0365993B1 (en) | Catheter equipped with expansible member and method of manufacturing the same | |
| EP0608853A2 (en) | Vascular dilatation instrument and catheter | |
| CN109952123B (en) | Catheter hub | |
| JPH078560A (en) | Blood-vessel catheter | |
| CN104203329A (en) | Medical instrument and method for manufacturing medical instrument | |
| EP3789072A1 (en) | Guide wire | |
| US20200171279A1 (en) | Guide wire | |
| JP5654217B2 (en) | Contrast markers and catheters | |
| CN114366998A (en) | Preparation process of variable-diameter intracranial balloon | |
| US20140188005A1 (en) | Wire guide and method of making the same | |
| CN211409226U (en) | Leading-in sheath pipe of embolism spring coil | |
| JP3699984B2 (en) | Vasodilator and catheter | |
| US20090216078A1 (en) | Endoscopic treatment tool | |
| JPH0373167A (en) | Catheter with extended body and its production | |
| WO2017104465A1 (en) | Catheter and method of manufacturing same | |
| JP6928203B2 (en) | Catheter for bifurcation vessel insertion | |
| CN110420375A (en) | Foley's tube and preparation method thereof | |
| WO2022004893A1 (en) | Tube | |
| JP4136370B2 (en) | Method for producing core material for medical guide wire and medical guide wire | |
| CN210542824U (en) | Balloon structure | |
| JP2021090683A (en) | Guide wire and method of manufacturing the same | |
| JP2005312952A (en) | Catheter tube and catheter |
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 |
Effective date of registration: 20220815 Address after: 516000 Yifa Industrial Zone, Dushi village, Pingtan Town, Huiyang District, Huizhou City, Guangdong Province (plant B in the plant) Applicant after: Huizhou Shunmei Medical Technology Co.,Ltd. Applicant after: SHENZHEN SHUNMEI MEDICAL Co.,Ltd. Address before: 518172 Room 401, building B, No.8, Jinlong 1st Road, Baolong community, Longgang street, Longgang District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN SHUNMEI MEDICAL Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220419 |
|
| RJ01 | Rejection of invention patent application after publication |