CN112472953A - Braided catheter with reinforcing ribs - Google Patents
Braided catheter with reinforcing ribs Download PDFInfo
- Publication number
- CN112472953A CN112472953A CN202011392366.XA CN202011392366A CN112472953A CN 112472953 A CN112472953 A CN 112472953A CN 202011392366 A CN202011392366 A CN 202011392366A CN 112472953 A CN112472953 A CN 112472953A
- Authority
- CN
- China
- Prior art keywords
- pipe
- transition section
- reinforcing ribs
- end part
- catheter
- 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
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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
- A61M25/0053—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0063—Catheters; Hollow probes characterised by structural features having means, e.g. stylets, mandrils, rods or wires to reinforce or adjust temporarily the stiffness, column strength or pushability of catheters which are already inserted into the human body
Abstract
The invention discloses a braided catheter with reinforcing ribs, which comprises a main body tube, a transition section and a tip end, wherein the hardness of the main body tube, the transition section and the tip end are sequentially reduced, the circumference of the opening end of the transition section is provided with a tapered closing-in from the outer circumference to the inner circumference, the opening end of the tip end is provided with a trumpet-shaped closing-in, the end part of the tapered closing-in of the transition section is overlapped with the end part of the tip end provided with the trumpet-shaped closing-in, and the proximal end part of the transition section is provided; the main body pipe comprises an inner pipe, an axial reinforcing rib, a metal woven net pipe and an outer pipe which are sequentially arranged from inside to outside in the radial direction, the metal woven net pipe is formed by weaving double strands of metal wires side by side, and the outer circumference of the far end part of the main body pipe is lapped with the inner circumference of the step surface. The radiography catheter has better twisting control, compression resistance, bending resistance and bending resistance, keeps better memory shape and developing property, reduces the harm to patients caused by poor twisting control, insufficient supporting force and other problems of the radiography catheter in the operation, and improves the comfort level of the patients with the texture of the use of doctors.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a braided catheter with reinforcing ribs.
Background
With the continuous development of medical science, medical intervention operations are also greatly developed, and the contrast catheter is used as an interventional medical tool and is greatly applied to vascular diseases. Compared with the traditional surgical operation, the interventional operation only needs local anesthesia and opens an incision of about 1mm, and has the advantages of less bleeding, less wound, less complication, safety, reliability, quick postoperative recovery and the like. In order to enable the blood vessel interventional catheter to smoothly reach a position expected by a doctor in the process of entering a blood vessel and to bear huge pressure in the process of radiography, the angiography catheter is often required to have certain pressure resistance, strong torque control performance and pushing performance.
Although the existing blood vessel interventional catheter has certain pressure resistance, the propelling performance and the twisting control performance of the blood vessel interventional catheter are relatively reduced in a blood environment at 37 ℃, so that a doctor easily folds and rebounds the catheter during operation, even breaks the interventional catheter, and causes serious injury to a human body.
Disclosure of Invention
The invention aims to solve the problem of insufficient physical properties of the existing vascular interventional catheters, and provides a braided catheter with reinforcing ribs, which has better torsion control performance, compression resistance, fracture resistance and bending resistance, can keep better memory shape and better developing performance, and reduces inconvenience brought to doctor operation and injury brought to patients due to the problems of poor torsion control performance, insufficient supporting force, poor pushing performance and developing performance and the like of the vascular interventional catheter in an operation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a braided catheter with reinforcing ribs comprises a main body tube, a transition section and a tip end, wherein the hardness of the main body tube, the transition section and the tip end is sequentially reduced, the distal end part of the transition section is an open end, a slope closing-in is arranged on the circumference of the open end of the transition section from the outer circumference to the inner circumference, the proximal end part of the tip end is an open end, the open end of the tip end is provided with a horn-shaped closing-in, the end part of the slope closing-in of the transition section is overlapped with the end part of the horn-shaped closing-in of the tip end, and the proximal end part of the transition section is provided with a step; the main body pipe comprises an inner pipe, an axial reinforcing rib, a metal woven net pipe and an outer pipe which are sequentially arranged from inside to outside in the radial direction, the metal woven net pipe is formed by weaving double strands of metal wires side by side, the length of the axial reinforcing rib is larger than that of the inner pipe, the metal woven net pipe and the outer pipe, and the outer circumference of the far end part of the main body pipe is in lap joint with the inner circumference of the step surface.
Furthermore, the proximal end part of the main body tube is connected with a catheter seat and a stress removing tube.
Further, the hardness of the main tube ranges from 55D to 75D, the hardness of the transition section ranges from 50D to 55D, and the hardness of the tip ranges from 30D to 45D.
Furthermore, the materials of the inner tube of the main tube, the outer tube of the main tube, the transition section and the tip are one or more of block polyether amide containing barium sulfate, block polyether amide containing bismuth oxide, polyurethane containing barium sulfate and polyurethane containing bismuth oxide.
Furthermore, the diameter of the single-strand metal wire of the woven mesh pipe is between 0.03mm and 0.05mm, and the tensile strength of the single-strand metal wire is 2200-2500 MPa.
Furthermore, the material of the axial reinforcing rib is one or a mixture of a plurality of stainless steel wires, nickel-titanium wires and platinum-tungsten alloy wires.
Furthermore, three axial reinforcing ribs are extruded together with the inner pipe of the main pipe in a co-extrusion mode and are uniformly distributed on the surface of the inner pipe.
Furthermore, the wire diameter of the axial reinforcing rib is between 0.03mm and 0.1mm, and the tensile strength of the axial reinforcing rib is between 1000 and 2500 MPa.
Furthermore, the material of the axial reinforcing rib is a metal material, the cross section of the axial reinforcing rib is a single-strand reinforcing rib formed by mixing and combining one or more of a circular shape, a triangular shape or a regular polygon shape, or the axial reinforcing rib is formed by twisting a plurality of single-strand reinforcing ribs through weaving.
The invention has the beneficial effects that: the adopted braided catheter with the reinforcing ribs comprises a main body tube, a transition section and a tip end, wherein the hardness of the main body tube, the transition section and the tip end is sequentially reduced, the distal end part of the transition section is an open end, the circumference of the open end of the transition section has a slope closing-in from the outer circumference to the inner circumference, the proximal end part of the tip end is an open end, the open end of the tip end is provided with a horn-shaped closing-in, the end part of the closing-in with the slope of the transition section is overlapped with the end part of the closing-in with the horn-shaped tip end, and the proximal end part of the transition section is provided with a step; the main body pipe comprises an inner pipe, an axial reinforcing rib, a metal woven net pipe and an outer pipe which are sequentially arranged from inside to outside in the radial direction, the metal woven net pipe is formed by weaving double strands of metal wires side by side, the length of the axial reinforcing rib is larger than the total length of the inner pipe, the woven net pipe and the outer pipe, and the outer circumference of the far end part of the main body pipe is in lap joint with the inner circumference of the step surface. The technical effects are as follows: the radiography catheter has better twisting control, pressure resistance, folding resistance and bending resistance, can keep better memory shape and better developing property, reduces the harm to patients caused by poor twisting control, insufficient supporting force and other problems of the radiography catheter in the operation, and greatly improves the comfort level of the patients with the texture used by doctors.
Drawings
Fig. 1 is a schematic structural view of a braided catheter with reinforcing ribs according to the present invention.
Fig. 2 is an enlarged schematic view of the metal woven mesh tube and the axial reinforcing ribs in the inner tube of the part a in fig. 1.
Fig. 3 is a schematic cross-sectional view of a braided catheter with reinforcing ribs according to the present invention.
FIG. 4 is a schematic view of the overlapping of the tip of a braided catheter with reinforcing ribs with the transition section, the transition section and the main catheter tube of the present invention.
Fig. 5 is an exploded view of the catheter body tube, transition section and tip of a braided catheter with reinforcing ribs according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Reference herein to "a plurality" means greater than or equal to two. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
Referring to fig. 1-5, a braided catheter with reinforcing ribs of the present invention includes a tip 1, a transition section 2, and a main body tube 3. The hardness of the main tube 3, the transition section 2 and the tip 1 decreases in order. The far end part of the transition section 2 is an open end, and the circumference of the open end of the transition section 2 is provided with a tapered closing-in from the outer circumference to the inner circumference; the proximal end part of the tip is an open end, the open end of the tip 1 is provided with a trumpet-shaped closing-in, and the end part of the transition section 2 with the inclined closing-in is overlapped with the end part of the tip 1 with the trumpet-shaped closing-in. The proximal end part of the transition section 2 is provided with a step surface which contracts towards the radial inner side, the main tube 3 comprises an inner tube 34, an axial reinforcing rib 33, a metal woven mesh tube 32 and an outer tube 31 which are sequentially arranged from the radial inner side to the radial outer side, the metal woven mesh tube 32 is formed by weaving double strands of metal wires side by side, the axial reinforcing rib 33 comprises three pieces which are uniformly distributed on the surface of the inner tube, and the length of the axial reinforcing rib 33 is larger than that of the inner tube 34, the metal woven mesh tube 32 and the outer tube 31, so that the outer circumference of the distal end part of the main tube 3 is lapped with.
Through foretell structure, make between main part pipe 3 and the changeover portion 2, hardness smooth transition between changeover portion 2 and the most advanced 1, such overlap joint structure, through changeover portion 2 and most advanced 1, main part pipe 3 and the coaxial stack connection between the changeover portion 2, make most advanced 1 and changeover portion 2, the hardness between changeover portion 2 and the main part pipe 3 descends in proper order naturally, it is obtrusive not to show, better satisfy the demand of pipe propelling movement in human blood vessel, can let the doctor more accurate, more convenient operation, can reduce patient's misery in the operation process again.
In the embodiment, the hardness range of the main pipe 3 is 55-75D, so that the torsion control performance, the pushing performance and the pressure resistance of the pipe body are fully ensured; the transition section 2 is a single-cavity tube, the hardness range of the transition section is 50-55D, the transition section has good shape memory, and different shapes can be formed by heat setting according to different lesion positions; the hardness of the tip 1 is in the range of 30-45D, and the main purpose is to reduce the harm to the vessel wall during the process of entering the vessel by the vessel intervention catheter.
In the present embodiment, the materials of the inner tube 31 of the main tube 3, the outer tube 34 of the main tube, the transition section 2 and the tip 1 are one or more of block polyetheramide containing barium sulfate, block polyetheramide containing bismuth oxide, polyurethane containing barium sulfate and polyurethane containing bismuth oxide. The outer surface of the braided catheter has smoother appearance and hand feeling, and the blood vessel is fully protected from generating thrombus, interlayer and the like. The inner surface is extremely smooth, thereby facilitating the smooth passing of instruments and reducing the adsorption of contrast agents or other medicaments on the inner wall.
In this embodiment, the metal woven mesh tube 32 is woven by two parallel metal wires, the diameter of a single metal wire is between 0.03mm and 0.05mm, and the tensile strength of the single metal wire is between 1000 and 2500 MPa.
In the embodiment, the wire diameter of the axial reinforcing rib is between 0.03mm and 0.1mm, and the tensile strength of the axial reinforcing rib is between 1000 and 2500 MPa. The material of the axial reinforcing rib 33 is a metal material, and the cross section of the axial reinforcing rib 33 is a single-strand reinforcing rib formed by mixing and combining one or more of circular, triangular or regular polygon, or the axial reinforcing rib is formed by twisting the plurality of single-strand reinforcing ribs by weaving.
In the embodiment, the main tube 3 has excellent bending and bending resistance, better torque transmission and pushing performance, and ensures that a doctor controls the distal end part of the main tube 3 during an operation, namely the operation end and the tip end 1 to feed back synchronously, so that the real-time 1:1 twisting control is realized, and the operation of accurately positioning to an angiography part is easily realized.
In this embodiment, the total number of the axial reinforcing ribs 33 is three, and the three are co-extruded together with the inner tube 31 of the main tube 3 and uniformly distributed on the surface of the inner tube 31 in a co-extrusion manner. The axial reinforcing ribs 33 are uniformly distributed on the surface of the inner tube 31, a large part of the volume of the axial reinforcing ribs 33 is embedded into the inner tube 31 of the main tube 3 in a co-extrusion mode, the wall thickness size of the occupied catheter is reduced, and meanwhile, the metal woven mesh tube 32 is tightly coated and fixed on the outer portion, so that the wall thickness size of the unoccupied catheter can be achieved, and the pushing performance, the twisting performance and the better developing performance of the catheter can be enhanced.
In this embodiment, the distal end of the main tube 3 is connected with a contrast catheter hub 5 and a destressing tube 4 which control the catheter main tube 3, the transition section 2 and the tip 1 to rotate synchronously during operation.
In conclusion, compared with the existing angiography catheter, the braided catheter with the reinforcing ribs has better torsion control performance, compression resistance, folding resistance and bending resistance, can keep better memory shape and better developing performance, can realize good pushing hand feeling, good supporting force and accurate positioning by a doctor in the using process, reduces the damage to a patient caused by poor torsion control performance, insufficient supporting force and the like of the angiography catheter in an operation, greatly shortens the operation time, and improves the use comfort of the patient with the texture of the use of the doctor.
The above examples are intended to illustrate rather than to limit the invention, and all equivalent changes and modifications made by the methods described in the claims of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a weave pipe with strengthening rib, includes main part pipe, changeover portion and pointed end, the main part pipe the changeover portion with the hardness at pointed end reduces its characterized in that in proper order:
the far end part of the transition section is an open end, the circumference of the open end of the transition section is provided with a tapered closing-in from the outer circumference to the inner circumference, the near end part of the tip is an open end, the open end of the tip is provided with a trumpet-shaped closing-in, the end part of the closing-in with the taper of the transition section is overlapped with the end part of the closing-in with the trumpet-shaped tip, and the near end part of the transition section is provided with a step surface which is contracted towards the radial inner side;
the main body pipe comprises an inner pipe, an axial reinforcing rib, a metal woven net pipe and an outer pipe which are sequentially arranged from inside to outside in the radial direction, the metal woven net pipe is formed by weaving double strands of metal wires side by side, and the length of the axial reinforcing rib is larger than that of the inner pipe, the metal woven net pipe and the outer pipe, so that the outer circumference of the far end part of the main body pipe is in lap joint with the inner circumference of the step surface.
2. The braided catheter with reinforcing ribs of claim 1, wherein: the proximal end portion of the main body tube is connected with a catheter seat and a stress removing tube.
3. The braided catheter with reinforcing ribs of claim 1, wherein: the hardness range of the main tube is 55-75D, the hardness range of the transition section is 50-55D, and the hardness range of the tip is 30-45D.
4. The braided catheter with reinforcing ribs of claim 1, wherein: the inner tube of the main tube, the outer tube of the main tube, the transition section and the tip are made of one or more of block polyether amide containing barium sulfate, block polyether amide containing bismuth oxide, polyurethane containing barium sulfate and polyurethane containing bismuth oxide.
5. The braided catheter with reinforcing ribs of claim 1, wherein: the wire diameter of the single-strand metal wire of the metal woven mesh pipe is between 0.03mm and 0.05mm, and the tensile strength of the single-strand metal wire is 1000-2500 MPa.
6. The braided catheter with reinforcing ribs of claim 1, wherein: the axial reinforcing rib is made of one or a mixture of a plurality of stainless steel wires, nickel-titanium wires and platinum-tungsten alloy wires.
7. The braided catheter with reinforcing ribs of claim 1, wherein: and the total three axial reinforcing ribs are extruded together with the inner pipe of the main body pipe in a co-extrusion mode and are uniformly distributed on the surface of the inner pipe.
8. The braided catheter with reinforcing ribs of claim 1, wherein: the wire diameter of the axial reinforcing rib is between 0.03mm and 0.1mm, and the tensile strength of the axial reinforcing rib is between 1000 and 2500 Mpa.
9. The braided catheter with reinforcing ribs of claim 1, wherein: the material of the axial reinforcing rib is a metal material, the cross section of the axial reinforcing rib is a single-strand reinforcing rib formed by mixing and combining one or more of a round shape, a triangular shape or a regular polygon shape, or the axial reinforcing rib is formed by weaving and twisting a plurality of single-strand reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011392366.XA CN112472953A (en) | 2020-12-03 | 2020-12-03 | Braided catheter with reinforcing ribs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011392366.XA CN112472953A (en) | 2020-12-03 | 2020-12-03 | Braided catheter with reinforcing ribs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112472953A true CN112472953A (en) | 2021-03-12 |
Family
ID=74939625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011392366.XA Pending CN112472953A (en) | 2020-12-03 | 2020-12-03 | Braided catheter with reinforcing ribs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112472953A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699623A (en) * | 2022-04-07 | 2022-07-05 | 深圳市凯思特医疗科技股份有限公司 | Angiography catheter and angiography device |
| CN115487405A (en) * | 2022-11-16 | 2022-12-20 | 深圳麦普奇医疗科技有限公司 | Memory tube for uterine angiography catheter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040153049A1 (en) * | 2002-10-10 | 2004-08-05 | Hewitt Todd J. | Wire braid-reinforced microcatheter |
| CN1939550A (en) * | 2005-09-30 | 2007-04-04 | 微创医疗器械(上海)有限公司 | Fabric reinforcing tube and its production |
| CN103767810A (en) * | 2006-10-22 | 2014-05-07 | Idev科技公司 | Method for forming self-expanding stent device |
| CN105431106A (en) * | 2013-06-19 | 2016-03-23 | 提坦医疗公司 | Articulated tool positioner and system employing same |
| CN106823102A (en) * | 2017-03-09 | 2017-06-13 | 珠海德瑞医疗器械有限公司 | A kind of mariages braided blood vessel angiography catheter |
| CN109173003A (en) * | 2018-10-10 | 2019-01-11 | 江苏尼科医疗器械有限公司 | Intermediate conductor |
| CN109498957A (en) * | 2018-12-19 | 2019-03-22 | 深圳市业聚实业有限公司 | A kind of novel microtubular |
| CN111135425A (en) * | 2020-03-06 | 2020-05-12 | 广东博迈医疗器械有限公司 | Medical micro catheter |
-
2020
- 2020-12-03 CN CN202011392366.XA patent/CN112472953A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040153049A1 (en) * | 2002-10-10 | 2004-08-05 | Hewitt Todd J. | Wire braid-reinforced microcatheter |
| CN1939550A (en) * | 2005-09-30 | 2007-04-04 | 微创医疗器械(上海)有限公司 | Fabric reinforcing tube and its production |
| CN103767810A (en) * | 2006-10-22 | 2014-05-07 | Idev科技公司 | Method for forming self-expanding stent device |
| CN105431106A (en) * | 2013-06-19 | 2016-03-23 | 提坦医疗公司 | Articulated tool positioner and system employing same |
| CN106823102A (en) * | 2017-03-09 | 2017-06-13 | 珠海德瑞医疗器械有限公司 | A kind of mariages braided blood vessel angiography catheter |
| CN109173003A (en) * | 2018-10-10 | 2019-01-11 | 江苏尼科医疗器械有限公司 | Intermediate conductor |
| CN109498957A (en) * | 2018-12-19 | 2019-03-22 | 深圳市业聚实业有限公司 | A kind of novel microtubular |
| CN111135425A (en) * | 2020-03-06 | 2020-05-12 | 广东博迈医疗器械有限公司 | Medical micro catheter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699623A (en) * | 2022-04-07 | 2022-07-05 | 深圳市凯思特医疗科技股份有限公司 | Angiography catheter and angiography device |
| CN114699623B (en) * | 2022-04-07 | 2022-12-27 | 深圳市凯思特医疗科技股份有限公司 | Angiographic catheter and angiographic apparatus |
| CN115487405A (en) * | 2022-11-16 | 2022-12-20 | 深圳麦普奇医疗科技有限公司 | Memory tube for uterine angiography catheter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101933821B (en) | Mciro-catheter | |
| JP2934319B2 (en) | Catheter with twist-resistant distal tip | |
| CN111135425B (en) | Medical micro catheter | |
| CN103282074B (en) | Endoluminal and method can be handled | |
| WO2020124551A1 (en) | Novel microcatheter | |
| JP2001518368A (en) | Peripheral vascular delivery catheter | |
| US20030135198A1 (en) | Catheter device having multi-lumen reinforced shaft and method of manufacture for same | |
| CN112472953A (en) | Braided catheter with reinforcing ribs | |
| JPH1080490A (en) | Multilayered distal catheter section | |
| JPH08500260A (en) | Intraluminal catheter with composite shaft | |
| JPH09506541A (en) | High performance braided catheter | |
| JP4544526B2 (en) | catheter | |
| JP2004321838A (en) | High performance spiral-wound catheter | |
| JPH0999094A (en) | Multilayer blood vessel plugging coil | |
| CN203154553U (en) | Guide wire for transradial artery interventional imaging | |
| JP2001518819A (en) | Catheter with three regions of different flexibility and method of manufacturing the same | |
| CN103861195A (en) | Super-smooth guide wire for use in transradial coronary intervention | |
| CN110947077A (en) | High-flexibility distal access guiding catheter and preparation method thereof | |
| JPH09276412A (en) | Nickel-titanium lubricative medical treatment catheter wire | |
| CN211863554U (en) | Catheter sheath | |
| WO2020153208A1 (en) | Catheter | |
| JP2004275768A (en) | Catheter reinforced with high yield strength wire | |
| CN106823102A (en) | A kind of mariages braided blood vessel angiography catheter | |
| CN214343900U (en) | Catheter sheath body and catheter sheath | |
| JP2024505308A (en) | Catheter reinforcement layer 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210312 |