CN205181966U - Little pipe of two -chamber - Google Patents
Little pipe of two -chamber Download PDFInfo
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- CN205181966U CN205181966U CN201520880022.1U CN201520880022U CN205181966U CN 205181966 U CN205181966 U CN 205181966U CN 201520880022 U CN201520880022 U CN 201520880022U CN 205181966 U CN205181966 U CN 205181966U
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- tube
- guide wire
- exit openings
- tube seat
- wire exit
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Abstract
The utility model provides a little pipe of two -chamber, including Y venturi tube seat and with the flexible two -chamber pipe that Y venturi tube seat is connected, the person in charge and the branch pipe that is Y type branching and sets up is drawn together to Y venturi tube stationary ladle, flexible two -chamber pipe divide into at least three -section lumen, the three -section lumen is near -end pipe, intervalve and distal end pipe respectively, near -end pipe, intervalve and distal end pipe connect gradually and hardness deliquescing gradually, near -end pipe with Y venturi tube seat is connected, the distal end pipe is equipped with export of terminal seal wire and seal wire export to one side, the export of terminal seal wire with the branch pipe intercommunication of Y venturi tube seat, to one side the seal wire export with person in charge's intercommunication of Y venturi tube seat. The beneficial effects of the utility model are that: in vascular branching pathological change intervene the treatment, it provided the guide and supports to use flexible two -chamber pipe to impel as the seal wire when the main tributary is located to get into the difficulty with the branch connection when the seal wire, and the cooperation seal wire reachs vascular assigned position, also avoids two seal wires to twine mutually simultaneously, improvement operation success rate.
Description
Technical field
This utility model relates to microtubular, particularly relates to a kind of two-chamber microtubular.
Background technology
Bifurcation coronary artery (Bifurcationlesion), refer to coronary artery adjoin and/or involve important branch blood vessel opening exist be greater than 50% narrow.Due to the increase of blood flow eddy current and shearforce, easily there is atherosclerosis in vascular bifurcation place.And involve the different and different stenosis in the position of main branch vessel and/or branch vessel because of pathological changes, therefore in the intervention diagnosis and therapy work of clinical crown cardiopathia, dissimilar bifurcated lesions can be seen.According to Research statistics such as ARTS, SYNTAX, bifurcation coronary artery accounts for the Coronary Artery Lesions 15% ~ 20% of interventional therapy, process bifurcated lesions often runs into larger technological challenge, and reduce to interventional therapy operation success rate and in art, post-operative complication increases relevant, bifurcation coronary artery is one of disease having much challenge in interventional therapy always.External at present have multiple typing scheme about bifurcated lesions, the difference of bifurcated lesions typing, determines in the selection and technology application of strategies of interventional treatment different.
Bifurcation coronary artery needs individuation to get involved process, and processing mode is various, and current main policies is divided into the selection of single-side stand implantation (simple beam art), double bracket implantation (complicated stenting) and double bracket implantation formula.No matter that the selection of which kind of stent endoprosthesis all needs to guide entering of seal wire in early stage.After guiding catheter puts in place, guide seal wire entering order substantially to follow any branch vessel difficulty and enter and just preferentially enter principle, when sending into second seal wire, generally rotate seal wire more than 360 degree, avoid two seal wires to be wound around mutually, cause sacculus or support not to put in place.Because branch vessel and main branch vessel have a certain degree, enter branch vessel seal wire should according to the size of angulation moulding one-tenth J-shaped top, the length on top is determined according to the diameter of main.Sometimes moulding 90 degree just can enter branch vessel.Due to medical patient's technical merit and the difference such as experience and appointed condition, in surgical procedure, two seal wires are wound around together or wherein a seal wire enters the events such as difficulty and happens occasionally, and success rate of operation is lower.
Summary of the invention
In order to solve the problems of the prior art, this utility model provides a kind of two-chamber microtubular, be mainly used in coronary stricture disease treatment, soluble problem is: in vascular bifurcation pathological changes interventional therapy, use flexible double lumen tube to provide for seal wire advances at need to guide and support when main or branch's seal wire enter, coordinate seal wire to arrive blood vessel assigned address, also avoid two seal wires to be wound around mutually simultaneously, improve success rate of operation.
This utility model provides a kind of two-chamber microtubular, the flexible double lumen tube comprising Y tube seat and be connected with described Y tube seat, described Y tube seat comprises the supervisor and arm that arrange in Y type bifurcated, described flexible double lumen tube is divided at least three sections of tube chambers, described three sections of tube chambers are respectively proximal tube, intervalve and distal tube, described proximal tube, intervalve and distal tube are connected and hardness deliquescing gradually successively, described proximal tube is connected with described Y tube seat of stating, described distal tube is provided with end guide wire exit openings and oblique guide wire exit openings, described end guide wire exit openings is communicated with the arm of described Y tube seat, described oblique guide wire exit openings is communicated with the supervisor of described Y tube seat.
As further improvement of the utility model, described flexible double lumen tube comprises skin, intermediate layer, internal layer and two guidewire lumen be arranged side by side, described internal layer wraps up two described guidewire lumen, and described internal layer is wrapped up in described intermediate layer, intermediate layer described in described outer layer covers.
As further improvement of the utility model, described superficies are coated with hydrophilic coating.
As further improvement of the utility model, described intermediate layer is metal knitted web frame.
As further improvement of the utility model, described internal layer is lubricious.
As further improvement of the utility model, described skin is made up of polyethylene, polyethers or polyamide copolymer material, and worked out by stainless steel silk or Ultimum Ti silk in described intermediate layer, described internal layer is made up of fluoroplastics or polyether block amide.
As further improvement of the utility model, described end guide wire exit openings is communicated with the arm of described Y tube seat by guidewire lumen described in one of them, and described oblique guide wire exit openings passes through wherein guidewire lumen described in another and is communicated with the supervisor of described Y tube seat.
As further improvement of the utility model, described oblique guide wire exit openings, end guide wire exit openings place are inlaid with not X-ray developing mark thoroughly respectively, and the head end of described supervisor, arm is respectively equipped with standard round taper joint.
As further improvement of the utility model, described Y tube seat is made up of Merlon, polyurethane or polyamide copolymer, and described not saturating X-ray developing mark is made up of platinumiridio, gold or tungsten gold etc.
As further improvement of the utility model, the distance of the end of described oblique guide wire exit openings and described distal tube is between 5mm to 15mm, described end guide wire exit openings is arranged on the end of described distal tube, and the seal wire output lead of described oblique guide wire exit openings and the seal wire output lead of described end guide wire exit openings are that forked is arranged.
The beneficial effects of the utility model are: in vascular bifurcation pathological changes interventional therapy, use flexible double lumen tube to provide for seal wire advances at need to guide and support when main or branch's seal wire enter, seal wire is coordinated to arrive blood vessel assigned address, also avoid two seal wires to be wound around mutually simultaneously, improve success rate of operation.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of two-chamber microtubular of this utility model.
Fig. 2 is the cross-sectional of the flexible double lumen tube of a kind of two-chamber of this utility model microtubular.
Fig. 3 is the longitudinal section schematic diagram of the flexible double lumen tube of a kind of two-chamber of this utility model microtubular.
Fig. 4 is the schematic diagram that seal wire is walked in two-chamber microtubular.
Fig. 5 is that a kind of two-chamber microtubular of this utility model is at endovascular effect schematic diagram.
Detailed description of the invention
To illustrate below in conjunction with accompanying drawing and detailed description of the invention further illustrates this utility model.
Drawing reference numeral in Fig. 1 to Fig. 5 is: Y tube seat 1; Arm 2; Supervisor 3; Standard round taper joint 4; Proximal tube 5; Intervalve 6; Distal tube 7; End guide wire exit openings 8; Oblique guide wire exit openings 9; Not saturating X-ray developing mark 10; Outer 11; Intermediate layer 12; Internal layer 13; Guidewire lumen 14; A main seal wire 15; Branch's seal wire 16.
Consult shown in Fig. 1, a kind of two-chamber microtubular, primarily of Y tube seat 1 and flexible double lumen tube composition, Y tube seat 1 forms primarily of supervisor 3 and arm 2, is all provided with standard round taper joint 4 at the head end of supervisor 1 and arm 2, flexible double lumen tube is primarily of proximal tube 5, intervalve 6 and distal tube 7 three sections of flexible pipe body compositions, they are connected in turn and hardness deliquescing gradually, namely the hardness of proximal tube 5 is greater than the hardness of intervalve 6, the hardness of intervalve 6 is greater than the hardness of distal tube 7, wherein be provided with two outlets in distal tube 7, be respectively end guide wire exit openings 8 and oblique guide wire exit openings 9, not saturating X-ray developing mark 10 is all provided with near end guide wire exit openings 8 and oblique guide wire exit openings 9, end guide wire exit openings 8 is connected with the arm 2 in Y tube seat 1 by flexible double lumen tube, oblique guide wire exit openings 9 is connected with the supervisor 3 in Y tube seat 1 by flexible double lumen tube.
Described not saturating X-ray developing mark 10, its material is made up of platinumiridio, gold or tungsten gold etc., X-ray developing mark 10 is not embedded near end guide wire exit openings 8 and oblique guide wire exit openings 9 thoroughly, the position that doctor's accurate assurance conduit can be helped to arrive and the position of guide wire exit openings, be conducive to carrying out smoothly of operation.
Consult shown in Fig. 2 and Fig. 3, flexible double lumen tube is primarily of three layers of composition, and be respectively skin 11, intermediate layer 12 and internal layer 13 and form, two guidewire lumen 14 side by side together.
Described outer 11 scribble hydrophilic coating on its surface, and outer 11 materials are made up of polyethylene, polyethers or polyamide copolymer material, and coating material mainly adopts the macromolecule such as polyvinylpyrrolidone, polyethylene glycol oxide and derivant thereof to make.Hydrophilic coating contributes to the resistance that reduction conduit passes through at Ink vessel transfusing.
Described intermediate layer 12 is woven mesh structure, and it adopts rustless steel, Ultimum Ti or other metal alloys to work out, and intermeshes and orderly braiding structure contributes to promoting the propelling movement of conduit and compliance.
Described internal layer 13 is a kind of lubricious, and its material is made primarily of fluoroplastics or polyether block amide.Lubricious contributing to, reduces seal wire resistance current in guidewire lumen 14.
Consult shown in Fig. 4, seal wire penetrates Postductal schematic diagram, in bifurcated lesions interventional therapy, a main seal wire 15 is penetrated by standard round taper joint 4 entrance of the arm 2 from Y tube seat 1, passed and intravasation by the end guide wire exit openings 8 of distal tube 7 by guidewire lumen 14, branch's seal wire 16 is penetrated by standard round taper joint 4 entrance of the supervisor 3 from Y tube seat 1, is passed and intravasation by the oblique guide wire exit openings 9 of distal tube 7 by guidewire lumen 14.
Consult shown in Fig. 5, after two-chamber microtubular arrives vascular lesion position under image documentation equipment helps, a main seal wire 15, branch's seal wire 16 enter the schematic diagram of main branch vessel and branch vessel respectively, and a main seal wire 15 is through angiostenosis position, and branch's seal wire 16 is through branch vessel narrow positions.
The total length of a kind of two-chamber microtubular that this utility model provides is 1000-1600mm, and hardness is 60-90D and 20-30D.
A kind of two-chamber microtubular that this utility model provides compared with prior art, its feature is mainly reflected in: 1) design of two guidewire lumen and oblique guide wire exit openings 9 and end guide wire exit openings 8 can in bifurcated lesions interventional therapy, when a main seal wire 15 or branch's seal wire 16 enter at need, use the application to provide for seal wire advances to guide and support, seal wire is coordinated to arrive blood vessel assigned address, also avoid two seal wires to be wound around mutually simultaneously, improve the safety in use procedure and success rate of operation; 2) two-chamber microtubular adopts overall exchange to design, and can facilitate random exchange guidewire and promote conduit to the support force of seal wire and propelling movement power, contribute to seal wire and pass through Serious Stenosis pathological changes; 3) be surrounded by the mesh grid of certain flexibility in flexible double lumen tube pipe shaft, soft moderate pipe shaft makes conduit can keep good in property and propelling movement property in the blood vessel of complications, can prevent distortion or discounting phenomenon simultaneously; The hydrophilic coating of outer 11 can reduce the resistance that conduit passes through in the blood vessel, and the materials such as the fluoroplastics of internal layer 13 can reduce seal wire resistance current in conduit.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a two-chamber microtubular, it is characterized in that: the flexible double lumen tube comprising Y tube seat and be connected with described Y tube seat, described Y tube seat comprises the supervisor and arm that arrange in Y type bifurcated, described flexible double lumen tube is divided at least three sections of tube chambers, described three sections of tube chambers are respectively proximal tube, intervalve and distal tube, described proximal tube, intervalve and distal tube are connected and hardness deliquescing gradually successively, described proximal tube is connected with described Y tube seat of stating, described distal tube is provided with end guide wire exit openings and oblique guide wire exit openings, described end guide wire exit openings is communicated with the arm of described Y tube seat, described oblique guide wire exit openings is communicated with the supervisor of described Y tube seat.
2. two-chamber microtubular according to claim 1, it is characterized in that: described flexible double lumen tube comprises skin, intermediate layer, internal layer and two guidewire lumen be arranged side by side, described internal layer wraps up two described guidewire lumen, and described internal layer is wrapped up in described intermediate layer, intermediate layer described in described outer layer covers.
3. two-chamber microtubular according to claim 2, is characterized in that: described superficies are coated with hydrophilic coating.
4. two-chamber microtubular according to claim 2, is characterized in that: described intermediate layer is metal knitted web frame.
5. two-chamber microtubular according to claim 2, is characterized in that: described internal layer is lubricious.
6. two-chamber microtubular according to claim 2, it is characterized in that: described skin is made up of polyethylene, polyethers or polyamide copolymer material, worked out by stainless steel silk or Ultimum Ti silk in described intermediate layer, described internal layer is made up of fluoroplastics or polyether block amide.
7. two-chamber microtubular according to claim 2, it is characterized in that: described end guide wire exit openings is communicated with the arm of described Y tube seat by guidewire lumen described in one of them, described oblique guide wire exit openings passes through wherein guidewire lumen described in another and is communicated with the supervisor of described Y tube seat.
8. two-chamber microtubular according to claim 1, is characterized in that: described oblique guide wire exit openings, end guide wire exit openings place are inlaid with not X-ray developing mark thoroughly respectively, and the head end of described supervisor, arm is respectively equipped with standard round taper joint.
9. two-chamber microtubular according to claim 8, is characterized in that: described Y tube seat is made up of Merlon, polyurethane or polyamide copolymer, and described not saturating X-ray developing mark is made up of platinumiridio, gold or tungsten gold.
10. two-chamber microtubular according to claim 1, it is characterized in that: the distance of the end of described oblique guide wire exit openings and described distal tube is between 5mm to 15mm, described end guide wire exit openings is arranged on the end of described distal tube, and the seal wire output lead of described oblique guide wire exit openings and the seal wire output lead of described end guide wire exit openings are that forked is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880022.1U CN205181966U (en) | 2015-11-06 | 2015-11-06 | Little pipe of two -chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880022.1U CN205181966U (en) | 2015-11-06 | 2015-11-06 | Little pipe of two -chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205181966U true CN205181966U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520880022.1U Active CN205181966U (en) | 2015-11-06 | 2015-11-06 | Little pipe of two -chamber |
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| CN (1) | CN205181966U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362269A (en) * | 2016-10-12 | 2017-02-01 | 北京博海康源医疗器械有限公司 | Double-cavity guide tube with supported stable orientation |
| CN107802939A (en) * | 2016-09-08 | 2018-03-16 | 先健科技(深圳)有限公司 | Double-cavity contrast conduit |
| CN109172076A (en) * | 2018-08-02 | 2019-01-11 | 郑州大学第附属医院 | Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with |
| CN110496299A (en) * | 2019-08-14 | 2019-11-26 | 福建医科大学附属第一医院 | A kind of double channel catheter for Persistent Csf purification treatment |
| CN111544744A (en) * | 2020-05-27 | 2020-08-18 | 深圳北芯生命科技有限公司 | Microcatheter with dual lumen |
| CN113456986A (en) * | 2021-05-30 | 2021-10-01 | 黄国燊 | Double-cavity micro catheter for coronary artery interventional operation |
| CN113521496A (en) * | 2021-07-20 | 2021-10-22 | 深圳市凯思特医疗科技股份有限公司 | Blood vessel guiding catheter and fixing method thereof |
| WO2022147603A1 (en) * | 2021-01-11 | 2022-07-14 | Brito Queiroz Andre | Double parallel lumen catheter designed to prevent entanglement of guide wires in endovascular surgery on the aortic arch |
-
2015
- 2015-11-06 CN CN201520880022.1U patent/CN205181966U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802939A (en) * | 2016-09-08 | 2018-03-16 | 先健科技(深圳)有限公司 | Double-cavity contrast conduit |
| CN106362269A (en) * | 2016-10-12 | 2017-02-01 | 北京博海康源医疗器械有限公司 | Double-cavity guide tube with supported stable orientation |
| CN109172076A (en) * | 2018-08-02 | 2019-01-11 | 郑州大学第附属医院 | Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with |
| CN110496299A (en) * | 2019-08-14 | 2019-11-26 | 福建医科大学附属第一医院 | A kind of double channel catheter for Persistent Csf purification treatment |
| CN113209455A (en) * | 2020-05-27 | 2021-08-06 | 深圳北芯生命科技股份有限公司 | Double-cavity micro catheter with inclined cut |
| CN113209444A (en) * | 2020-05-27 | 2021-08-06 | 深圳北芯生命科技股份有限公司 | Double-cavity micro catheter |
| CN111544744A (en) * | 2020-05-27 | 2020-08-18 | 深圳北芯生命科技有限公司 | Microcatheter with dual lumen |
| WO2021238018A1 (en) * | 2020-05-27 | 2021-12-02 | 深圳北芯生命科技股份有限公司 | Microcatheter having double cavities |
| CN113209444B (en) * | 2020-05-27 | 2021-12-14 | 深圳北芯生命科技股份有限公司 | Double-cavity micro catheter |
| CN113209455B (en) * | 2020-05-27 | 2022-02-08 | 深圳北芯生命科技股份有限公司 | Double-cavity micro catheter with inclined cut |
| WO2022147603A1 (en) * | 2021-01-11 | 2022-07-14 | Brito Queiroz Andre | Double parallel lumen catheter designed to prevent entanglement of guide wires in endovascular surgery on the aortic arch |
| CN113456986A (en) * | 2021-05-30 | 2021-10-01 | 黄国燊 | Double-cavity micro catheter for coronary artery interventional operation |
| CN113521496A (en) * | 2021-07-20 | 2021-10-22 | 深圳市凯思特医疗科技股份有限公司 | Blood vessel guiding catheter and fixing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190906 Address after: 610000 Sichuan Chengdu high tech Zone, Shenghe 88 Road 1 Building 2 unit 22 level 2210. Patentee after: Chengdu Maideke Technology Co. Ltd. Address before: 518100 Guangdong city of Shenzhen province Baoan District Fuyong Street on the two floor of the East Road No. 41 block 101 Patentee before: SHENZHEN MADE TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right |