CN103830825A - Detachable combined intervention catheter and assembly method thereof - Google Patents
Detachable combined intervention catheter and assembly method thereof Download PDFInfo
- Publication number
- CN103830825A CN103830825A CN201410067169.9A CN201410067169A CN103830825A CN 103830825 A CN103830825 A CN 103830825A CN 201410067169 A CN201410067169 A CN 201410067169A CN 103830825 A CN103830825 A CN 103830825A
- Authority
- CN
- China
- Prior art keywords
- catheter
- proximal end
- conduit
- control section
- detachable combined
- 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
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to a detachable combined intervention catheter and belongs to the technical field of medical apparatuses. The intervention catheter comprises a catheter torsion control section and a curved catheter front end which are connected detachably, and the interiors of the catheter torsion control section and the curved catheter front end are communicated after the connection. The two sections of the catheter can be combined according to different requirements of patient operations, and accordingly, the requirement of catheter intervention is achieved. The invention further relates to an assembly method of the detachable combined intervention catheter. Compared with the prior art, the intervention catheter and the assembly method have the advantages that the process is simple, the production efficiency is high, the catheter selection efficiency during the interventional operation is well improved, the catheter front end can be changed rapidly when that the catheter model is wrong is discovered during the operation, the medical cost can be greatly reduced, and the detachable combined intervention catheter is widely applicable to the medical industry.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments for coronary intervention, be specifically related to coronary intervention conduit and assembly method thereof.
Background technology
Interventional therapy operation is to pass through vessel lumen by means of interposing catheter, focus is realized to the emerging medical skill of one of low wound diagnosis and treatment.Compare with traditional medical skill, interventional therapy has the following advantages: easy and simple to handle; Due to the low-wound of interventional therapy, can avoid bringing huge misery to patient; Because its invasive, can also arrive the position that routine operation can not arrive; Also relatively low compared with routine operation treatment medical expense, thereby widely patient and doctor accept.Interventional therapeutic technique has been widely used in cardiovascular and cerebrovascular vessel radiography and narrow blood vessel plasty clinically now.
Interposing catheter is one of main apparatus of interventional technique in blood vessel, and it provides the transmission channel of other medical apparatus and instruments and medicine for interventional therapy.The structure of conduit can be divided into two parts, a part is to go deep into long one section of blood vessel to can be described as conduit and turn round control section, is operated the part of controlling its intravasation by patient, and another part is catheter proximal end, form difformity according to difference operation or demand, to reach therapeutic purposes.Can be divided into several classes according to the form of arteria coronaria interposing catheter: the guiding catheter of Judkins class conduit, Amplatz class conduit, Backup class conduit and three-dimensional conduit and some other specific type, doctor selects dissimilar conduit according to patient's the state of an illness in interventional treatment operation.The conduit of same type is similar, and difference is catheter proximal end, because patient's tremulous pulse size is different or coronary opening position is variant.So same type catheter proximal end partial shape is similar, so just the slightly variant model of size is different, in order to meet different corrective surgery demands.
Percutaneous Coronary Intervention needs doctor to select appropriate catheter according to the radiography situation of patient's tremulous pulse and arteria coronaria, and everyone tremulous pulse and arteria coronaria are variant, and conduit is selected carrying out smoothly of correct guarantee subsequent procedures.Existing interposing catheter, its conduit is turned round control section and catheter proximal end is integral structure, and doctor only can select conduit according to radiography situation and self experience.If operation process finds that the conduit inserting is improper, so just need to change the conduit of other models of the same type, change a whole set of conduit (turning round control section and catheter proximal end containing conduit), not only delay operating time, medical expense also increases, and operation risk also increases.
Summary of the invention
For the technical problem existing in prior art, the object of the invention is: a kind of split type, detachable combined interposing catheter and the assembly method thereof that can freely install and remove are provided.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of detachable combined interposing catheter, comprises that conduit turns round control section and bending catheter proximal end; Conduit is turned round control section and catheter proximal end is removably connected; After connection, the inside that conduit is turned round control section and catheter proximal end is run through.
The link that conduit is turned round control section is provided with the sheath pipe inserting for catheter proximal end.
In sheath pipe, be provided with and the close-fitting bayonet socket of catheter proximal end.
Sheath pipe and catheter proximal end interference fit.
It is identical with the internal diameter of catheter proximal end that conduit is turned round control section.
The material that conduit is turned round control section is EU.
The material of catheter proximal end is EU.
The surface that conduit is turned round control section by cholesteric high molecule liquid crystal and acidified modified poly(ether-urethane) mix cast cross-linking modified.
It is cross-linking modified that casting is mixed by cholesteric high molecule liquid crystal and acidified modified poly(ether-urethane) in the surface of catheter proximal end.
An assembly method for detachable combined interposing catheter, is used a kind of detachable combined interposing catheter; Conduit is turned round to control section and make a kind of model, catheter proximal end is made to the Multiple Type of corresponding difformity or size, the catheter proximal end of selection suitable types and conduit are turned round control section and are joined.
Generally speaking, tool of the present invention has the following advantages:
1. technique of the present invention is simple, and production efficiency is high, and the conduit with general character is turned round control section and can be unified to produce, and technique is simpler.
2. improved better the efficiency of selection of intervene operation process conduit, intervene operation process finds that conduit model is not right, can change rapidly the corresponding catheter proximal end of model, saves operating time, saves in time life.
3. only need to change catheter proximal end, reduce consumptive material, can greatly reduce medical treatment cost, be applicable to being widely used in industry.
4. adopt sheath tubular construction, especially add the structure of card inlet, can make conduit turn round control section and catheter proximal end strong bonded, freely install and remove.
5. sheath tube material can adopt reinforced composite high-molecular material, and powerful support force can be provided.
6. to turn round control section identical with the internal diameter of catheter proximal end for conduit, can ensure to be connected stable, also can ensure that seal wire can slide smoothly in interposing catheter, the carrying out smoothly of guarantee intervene operation.
7. adopt EU and surface modification, can obtain the conduit that mechanical performance is good, and have better blood compatibility and histocompatibility.
8. can better advance the standardized production of interposing catheter.
Brief description of the drawings
Fig. 1 is the installation diagram of Judkins class interposing catheter in a kind of detachable combined interposing catheter.
Fig. 2 is the broken away view of Fig. 1.
Wherein, the 1st, conduit is turned round control section, the 2nd, catheter proximal end, the 3rd, sheath pipe, the 4th, the link of catheter proximal end.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
The present embodiment describes as an example of Judkins class interposing catheter example.
Shown in Fig. 1 and Fig. 2, a kind of detachable combined interposing catheter ranges Judkins class interposing catheter, comprises the catheter proximal end that only has the conduit of a kind of model (straight tube) to turn round control section and different model (corresponding tremulous pulse and arteria coronaria difformity or size).Conduit is turned round control section and can be well connected with the catheter proximal end of different model, forms complete interposing catheter.The link of turning round control section at conduit arranges sheath pipe, the link of bending catheter proximal end can insert in sheath pipe, simultaneously sheath pipe is inner forms and the catheter proximal end bayonet socket that closely cooperates, and sheath pipe and catheter proximal end interference fit, make conduit turn round control section and closely combine into overall with catheter proximal end.In the time implementing intervene operation, find that catheter proximal end is not suitable for this patient, can entirety extract interposing catheter out, only need bending catheter proximal end be turned round to control section from conduit by external force and pull down, change the catheter proximal end of other models, then insert conduit and turn round control section.So not only greatly save the operative treatment time, because without changing whole interposing catheter, also reduced medical expense, reduced consumptive material.
Preferably, conduit is turned round control section and catheter proximal end and can be adopted EU (PEU) to make for material, it is cross-linking modified that casting is mixed by cholesteric high molecule liquid crystal and acidified modified poly(ether-urethane) in its surface, so can obtain the conduit that mechanical performance is good, and have better blood compatibility and histocompatibility.Blood compatibility, anti-bacterial attachment and surface lubrication characteristic also can further be improved in interposing catheter surface by modification.
Main points of the present invention are, the same part of conduit (conduit is turned round control section) and the part (catheter proximal end) there are differences can be split or combine, and not only meet interventional therapy demand, also make conduit production technology simpler.It should be noted that, it is mature technology that interposing catheter material and cholesteric high molecule liquid crystal mix the bayonet socket of casting cross-linking modified technical method and be connected with acidified modified poly(ether-urethane), is not repeated at this.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (10)
1. a detachable combined interposing catheter, is characterized in that: comprise that conduit turns round control section and bending catheter proximal end; Conduit is turned round control section and catheter proximal end is removably connected; After connection, the inside that conduit is turned round control section and catheter proximal end is run through.
2. according to the detachable combined interposing catheter of one claimed in claim 1, it is characterized in that: the link that described conduit is turned round control section is provided with the sheath pipe inserting for catheter proximal end.
3. according to the detachable combined interposing catheter of one claimed in claim 2, it is characterized in that: in described sheath pipe, be provided with and the close-fitting bayonet socket of catheter proximal end.
4. according to the detachable combined interposing catheter of one claimed in claim 2, it is characterized in that: described sheath pipe and catheter proximal end interference fit.
5. according to the detachable combined interposing catheter of one claimed in claim 1, it is characterized in that: it is identical with the internal diameter of catheter proximal end that described conduit is turned round control section.
6. according to the detachable combined interposing catheter of one claimed in claim 1, it is characterized in that: the material that described conduit is turned round control section is EU.
7. according to the detachable combined interposing catheter of one claimed in claim 1, it is characterized in that: the material of described catheter proximal end is EU.
8. according to the detachable combined interposing catheter of one claimed in claim 6, it is characterized in that: the surface that described conduit is turned round control section by cholesteric high molecule liquid crystal and acidified modified poly(ether-urethane) mix cast cross-linking modified.
9. according to the detachable combined interposing catheter of one claimed in claim 7, it is characterized in that: it is cross-linking modified that casting is mixed by cholesteric high molecule liquid crystal and acidified modified poly(ether-urethane) in the surface of described catheter proximal end.
10. according to the assembly method of a kind of detachable combined interposing catheter described in any one in claim 1-9, it is characterized in that: conduit is turned round to control section and make a kind of model, catheter proximal end is made to the Multiple Type of corresponding difformity or size, the catheter proximal end of selection suitable types and conduit are turned round control section and are joined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067169.9A CN103830825A (en) | 2014-02-26 | 2014-02-26 | Detachable combined intervention catheter and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067169.9A CN103830825A (en) | 2014-02-26 | 2014-02-26 | Detachable combined intervention catheter and assembly method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103830825A true CN103830825A (en) | 2014-06-04 |
Family
ID=50794917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410067169.9A Pending CN103830825A (en) | 2014-02-26 | 2014-02-26 | Detachable combined intervention catheter and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103830825A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2103936A (en) * | 1981-08-21 | 1983-03-02 | Wallace Ltd H G | Catheter guide |
| US4898591A (en) * | 1988-08-09 | 1990-02-06 | Mallinckrodt, Inc. | Nylon-PEBA copolymer catheter |
| US6270476B1 (en) * | 1999-04-23 | 2001-08-07 | Cryocath Technologies, Inc. | Catheter |
| JP2005328887A (en) * | 2004-05-18 | 2005-12-02 | Ir Medical Kobo:Kk | Reversible catheter for medical agent infusion into blood vessel |
| CN103263718A (en) * | 2008-08-19 | 2013-08-28 | 泰科保健集团有限合伙公司 | Detachable tip microcatheter |
| CN203816032U (en) * | 2014-02-26 | 2014-09-10 | 华南理工大学 | Detachable combined intervention catheter |
-
2014
- 2014-02-26 CN CN201410067169.9A patent/CN103830825A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2103936A (en) * | 1981-08-21 | 1983-03-02 | Wallace Ltd H G | Catheter guide |
| US4898591A (en) * | 1988-08-09 | 1990-02-06 | Mallinckrodt, Inc. | Nylon-PEBA copolymer catheter |
| US6270476B1 (en) * | 1999-04-23 | 2001-08-07 | Cryocath Technologies, Inc. | Catheter |
| JP2005328887A (en) * | 2004-05-18 | 2005-12-02 | Ir Medical Kobo:Kk | Reversible catheter for medical agent infusion into blood vessel |
| CN103263718A (en) * | 2008-08-19 | 2013-08-28 | 泰科保健集团有限合伙公司 | Detachable tip microcatheter |
| CN203816032U (en) * | 2014-02-26 | 2014-09-10 | 华南理工大学 | Detachable combined intervention catheter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3248530B1 (en) | Percutaneous puncture and dilation visible irrigation- suction system and method of using the same | |
| CN204092664U (en) | A kind of laparoscopic surgery revolves suction suction pump | |
| CN206007288U (en) | Flexible puncture sheath | |
| CN203816032U (en) | Detachable combined intervention catheter | |
| CN114849017A (en) | Controllable bent catheter and control handle thereof | |
| CN106037834B (en) | Heart occluder can position transport system | |
| CN208448390U (en) | Coaxial seeker pipe | |
| CN103830825A (en) | Detachable combined intervention catheter and assembly method thereof | |
| CN204352339U (en) | A kind of detachable bending interposing catheter | |
| CN103784173B (en) | A kind of draught line fixture be applied in single hole thoracoscope Wicresoft pulmonary surgery | |
| CN106377301A (en) | Blood vessel puncture outfit | |
| CN103055405A (en) | Deep multifunctional combined drainage device | |
| CN110464464A (en) | A kind of urological surgery robot arm | |
| CN104510436A (en) | Implantation device | |
| CN203841783U (en) | Renal artery ablation radiography/guide catheter with controllable flexible head | |
| CN209422055U (en) | Sacculus integrated lancing sheath | |
| CN104027157A (en) | Fixed structure of ultrasonic puncture needle and ultrasonic puncture needle | |
| CN203153892U (en) | Stand tube built-up propeller for laparoscopic surgery | |
| CN103202723B (en) | Support tube combined thruster for laparoscopic operation | |
| CN204049727U (en) | A kind of blood vessel connection tube | |
| CN202218886U (en) | Disposable endoscope sheath | |
| CN204394601U (en) | A kind of surgical operation ligature carrier | |
| CN202821496U (en) | Balloon catheter used for open heart surgery in Cardiology Department | |
| CN204072901U (en) | Under thoracoscope, Pulmonary Vascular is separated suction pump | |
| CN217960935U (en) | Controllable bent catheter and control handle thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140604 |