CN104815380A - Child and mother guide conduit and child conduit thereof - Google Patents
Child and mother guide conduit and child conduit thereof Download PDFInfo
- Publication number
- CN104815380A CN104815380A CN201510250872.8A CN201510250872A CN104815380A CN 104815380 A CN104815380 A CN 104815380A CN 201510250872 A CN201510250872 A CN 201510250872A CN 104815380 A CN104815380 A CN 104815380A
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- CN
- China
- Prior art keywords
- conduit
- catheter body
- sub
- catheter
- child
- 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
- 230000001154 acute effect Effects 0.000 claims abstract description 7
- 239000003550 marker Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 4
- 210000004204 blood vessel Anatomy 0.000 abstract description 12
- 230000003902 lesion Effects 0.000 abstract description 4
- 210000004351 coronary vessel Anatomy 0.000 abstract description 3
- 210000005077 saccule Anatomy 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000013146 percutaneous coronary intervention Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 206010011091 Coronary artery thrombosis Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002399 angioplasty Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008081 blood perfusion Effects 0.000 description 1
- QMVPMAAFGQKVCJ-UHFFFAOYSA-N citronellol Chemical compound OCCC(C)CCC=C(C)C QMVPMAAFGQKVCJ-UHFFFAOYSA-N 0.000 description 1
- 208000002528 coronary thrombosis Diseases 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0662—Guide tubes
-
- 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
- A61M2025/0004—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system
Abstract
The invention discloses a child and mother guide conduit and a child conduit thereof. The child conduit comprises a conduit body and a conduit seat, wherein one end portion of the conduit body away from the conduit seat is provided with an end wall, the inner side of the end wall is an inclined face, an intersection angle between the inclined face and a shaft line of the conduit body is an acute angle, a side hole is formed in the side wall of the conduit body, and a guide wire can slide to the side hole along the inclined face. When bifurcation lesion occurs, the mother conduit is stretched into a main blood vessel, and then the child conduit moves along the mother conduit till the child conduit stretched out of the mother conduit and the side hole of the conduit body of the child conduit is opposite to a branch blood vessel, and then the guide wire is stretched into the child conduit till the end portion of the guide wire is offset with the end wall of one end of the conduit body away from the conduit seat, the end portion of the guide wire can slide to the side hole along the inclined face, and therefore the guide wire is entered into the branch blood vessel through the side hole, and accordingly medical apparatus and instruments such as a coronary artery saccule and a support and the like can be fed into the branch blood vessel for an operation.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly, relate to a kind of primary and secondary guiding catheter and sub-conduit thereof.
Background technology
Percutaneous coronary intervention (pci) (Percutaneous Coronary Intervention, PCI), refers to the narrow even inaccessible coronary artery tube chamber of Transcatheter technology dredging, thus improves the Therapeutic Method of the blood perfusion of cardiac muscle.This Therapeutic Method has the advantages such as short treating period, wound be little, evident in efficacy, and development in recent years is rapid.According to the difference of the technology of enforcement, PCI can be divided into percutaneous coronary Ink vessel transfusing plasty (PTCA), coronary artery stent implantation, Rotational atherectomy, Cutting balloon angioplasty, coronary thrombosis aspiration etc.
In PCI operation, generally by primary and secondary guiding catheter, the medical apparatus and instruments such as arteria coronaria sacculus, support are delivered to diseased region, female conduit first in intravasation to diseased region, sub-conduit reaches diseased region along female conduit, seal wire also arrives diseased region, and last medical apparatus and instruments such as support or arteria coronaria sacculus etc. arrive diseased region by sub-conduit.Primary and secondary guiding catheter comprises female conduit and sub-conduit, sub-conduit can move in female catheter interior, existing sub-conduit is divided into RX type conduit and OTW type conduit, as shown in Figure 1 the RX type conduit catheter block 03 that comprises catheter body 01, the push rod 02 be connected with one end of catheter body 01 and be connected with push rod 02.As shown in Figure 2, the OTW type conduit catheter block 03 that comprises catheter body 01 and be connected with one end of catheter body 01.
But usually running into bifurcated lesions in operation, sub-conduit need stride across bifurcation, and seal wire needs to enter branch vessel by sub-conduit, and sends the medical apparatus and instruments such as arteria coronaria sacculus, support to branch vessel along seal wire.But the medical apparatus and instruments such as arteria coronaria sacculus, support can not be entered branch vessel by sub-conduit by existing primary and secondary guiding catheter.
In sum, how realizing sending the medical apparatus and instruments such as arteria coronaria sacculus, support to branch vessel, is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first object of the present invention is to provide a seed tube, the structural design of this sub-conduit can realize sending the medical apparatus and instruments such as arteria coronaria sacculus, support to branch vessel, and second object of the present invention is to provide a kind of primary and secondary guiding catheter comprising above-mentioned sub-conduit.
In order to reach above-mentioned first object, the invention provides following technical scheme:
One seed tube, comprises catheter body and catheter block, and the end away from catheter block of described catheter body has end wall, and the inner side of described end wall is inclined plane, and the angle between this inclined plane and described catheter body axis is acute angle;
The sidewall of described catheter body offers side opening, and seal wire can slide in described side opening along described inclined plane.
Preferably, in above-mentioned sub-conduit, described end wall also offers through hole.
Preferably, in above-mentioned sub-conduit, the quantity of described side opening is one or two.
Preferably, in above-mentioned sub-conduit, the sidewall of described catheter body is also provided with metal marker, and x-ray can not through described metal marker.
Preferably, in above-mentioned sub-conduit, described inclined plane is connected by transition cambered surface with the sidewall of described catheter body.
Preferably, in above-mentioned sub-conduit, one end away from catheter block of described catheter body is also fixedly connected with soft head.
Preferably, in above-mentioned sub-conduit, described catheter body is connected by push rod with catheter block, and one end of described push rod is fixedly connected with one end of catheter body, and the other end of described push rod is fixedly connected with described catheter block.
Preferably, in above-mentioned sub-conduit, described catheter body is directly fixedly connected with catheter block, and described catheter block has the inner chamber be communicated with catheter body inside.
Preferably, in above-mentioned sub-conduit, the internal diameter of described catheter body is greater than 1.04mm.
A kind of primary and secondary guiding catheter, comprises female conduit and sub-conduit, and described sub-conduit is the sub-conduit according to any one of such as above-mentioned.
Sub-conduit provided by the invention comprises catheter body and catheter block, and catheter block can directly be connected with one end of catheter body, and catheter block also can be connected with one end of catheter body by push rod.Wherein, catheter body has end wall away from the end of catheter block, and namely catheter body has end wall away from one end of catheter block, and this end can be closed by end wall.And the inner side of end wall is inclined plane, and the angle between this inclined plane and catheter body axis is acute angle.Namely catheter body is acute angle away from the angle between the inner side of the end wall of one end of catheter block and catheter body axis.In addition, the sidewall of catheter body also offers side opening, and the seal wire stretched in catheter body can slide in side opening along inclined plane.Namely stretch into the seal wire in catheter body end can along catheter body away from the end wall inner slide of one end of catheter block in side opening.Side opening directly can be opened in the side of the close catheter block of inclined plane.And the side of side opening is connected with inclined plane, seal wire like this can directly slide in side opening along inclined plane.
Apply in sub-catheter procedure provided by the invention, when running into bifurcated lesions, namely when diseased region is arranged in branch vessel, first female conduit is stretched in main blood vessel, then sub-conduit is made to move along female conduit, until sub-conduit stretches out female conduit and side opening on the catheter body of sub-conduit is relative with branch vessel, namely when the infall of side opening and branch vessel and main blood vessel is relative, then seal wire is stretched in sub-conduit, until offset inside the end of seal wire and the end wall of catheter body away from one end of catheter block, because catheter body is away from being inclined plane inside the end wall of one end of catheter block, now the end of seal wire just can slide in side opening along inclined plane, because seal wire is relative with branch vessel, and then achieve seal wire and entered in branch vessel by side opening.So, just the medical apparatus and instruments such as arteria coronaria sacculus, support can be sent in branch vessel along seal wire, perform the operation, to ensure carrying out smoothly of operation.
In order to reach above-mentioned second object, present invention also offers a kind of primary and secondary guiding catheter, this primary and secondary guiding catheter comprises any one sub-conduit above-mentioned.Because above-mentioned sub-conduit has above-mentioned technique effect, the primary and secondary guiding catheter therefore with this sub-conduit also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of RX type conduit in prior art;
Fig. 2 is the structural representation of OTW type conduit in prior art;
The structural representation of the first RX type conduit that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the second RX type conduit that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the first OTW type conduit that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the second OTW type conduit that Fig. 6 provides for the embodiment of the present invention;
A kind of using state figure of the sub-conduit that Fig. 7 provides for the embodiment of the present invention;
The another kind of using state figure of the sub-conduit that Fig. 8 provides for the embodiment of the present invention.
In Fig. 1-2:
01-catheter body, 02-push rod, 03-catheter block;
In Fig. 3-Fig. 8:
1-side opening, 2-catheter body, 3-push rod, 4-sounding mark, 5-catheter block, 6-metal marker, 7-end wall, 8-through hole, 9-first seal wire, 10-second seal wire, A-branch vessel, the main blood vessel of B-.
Detailed description of the invention
First object of the present invention is to provide a seed tube, the structural design of this sub-conduit can realize sending the medical apparatus and instruments such as arteria coronaria sacculus, support to branch vessel, and second object of the present invention is to provide a kind of primary and secondary guiding catheter comprising above-mentioned sub-conduit.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 3-Fig. 8, the sub-conduit that the embodiment of the present invention provides comprises catheter body 2 and catheter block 5, and catheter block 5 can directly be connected with one end of catheter body 2, and catheter block 5 also can be connected with one end of catheter body 2 by push rod 3.Wherein, catheter body 2 has end wall 7 away from the end of catheter block 5, and namely catheter body 2 has end wall 7 away from one end of catheter block 5, and this end can be closed by end wall 7.And the inner side of end wall 7 is inclined plane, and the angle between this inclined plane and catheter body 2 axis is acute angle.Namely catheter body 2 is acute angle away from the angle between the inner side of the end wall 7 of one end of catheter block 5 and catheter body 2 axis.In addition, the sidewall of catheter body 2 also offers side opening 1, and the seal wire stretched in catheter body 2 can slide in side opening 1 along inclined plane.Namely stretch into the seal wire in catheter body 2 end can along catheter body 2 away from end wall 7 inner slide of one end of catheter block 5 in side opening 1.Side opening 1 directly can be opened in the side of the close catheter block 5 of inclined plane.And the side of side opening 1 is connected with inclined plane, seal wire like this can directly slide in side opening 1 along inclined plane.
In the sub-catheter procedure that the application embodiment of the present invention provides, when running into bifurcated lesions, namely when diseased region is arranged in branch vessel A, first female conduit is stretched in main blood vessel B, then sub-conduit is made to move along female conduit, until sub-conduit stretches out female conduit and side opening 1 on the catheter body 2 of sub-conduit is relative with branch vessel A, namely when side opening 1 is relative with the infall of branch vessel A and main blood vessel B, then seal wire is stretched in sub-conduit, until the end of seal wire and catheter body 2 offset away from inside the end wall 7 of one end of catheter block 5, because catheter body 2 is away from being inclined plane inside the end wall 7 of one end of catheter block 5, now the end of seal wire just can slide in side opening 1 along inclined plane, because seal wire is relative with branch vessel A, and then achieve seal wire and entered in branch vessel A by side opening 1.So, just the medical apparatus and instruments such as arteria coronaria sacculus, support can be sent in branch vessel A along seal wire, perform the operation, to ensure carrying out smoothly of operation.
In order to optimize technique scheme further, through hole 8 can also be offered on end wall 7.The axis of through hole 8 can be arranged with the dead in line of catheter body 2, the first seal wire 9 so can be made to enter branch vessel A through side opening 1, make the second seal wire 10 be arranged in main blood vessel B through through hole 8, realize sub-conduit with this and move in female conduit along the second seal wire 10.It is that the seal wire of 0.014 inch passes through that the through hole 8 that end wall 7 is offered can hold diameter.
In addition, the quantity of side opening 1 can be one or two.When the quantity of side opening 1 is two, two side openings 1 can distribute along the circumference of catheter body 2, can be relative with branch vessel A according to the side opening 1 that practical situation chosen position is suitable during use, and need not reverse sub-conduit.Certainly, the quantity of side opening 1 can also be more, in this no limit.
The shape of side opening 1 can be circular or square, and the size of side opening 1 should be able to allow the medical apparatus and instruments such as arteria coronaria sacculus, support to pass through.The concrete shape of side opening 1 and area can set according to practical situation.
Whether relative with branch vessel A for the ease of determining the side opening 1 on catheter body 2, metal marker 6 can also be also set on the sidewall of catheter body 2, and x-ray can not through metal marker 6.So by roentgen radiation x, the position of metal marker 6 can be determined, and then determine the position of the side opening 1 on catheter body 2.
Slide along inclined plane for the ease of seal wire, inclined plane can be connected by transition cambered surface with the sidewall of catheter body 2, and the end of seal wire like this slides in inclined plane along transition cambered surface.Certainly, inclined plane also can extremely directly be connected with the sidewall of catheter body 2, in this no limit.
Pain is increased when contacting with internal blood vessel away from the end of catheter block 5 to prevent catheter body 2, soft head can also be fixedly connected with in one end away from catheter block 5 of catheter body 2, namely soft head is fixedly connected with one end away from catheter block 5 of catheter body 2, soft head also can have through hole, and the hole of soft head is communicated with away from the through hole 8 on the end wall 7 of catheter block 5 with catheter body 2, to ensure that the second seal wire 10 is through soft head.Wherein, the material of catheter body 2 is generally nylon, and the material of soft head is generally polyurethane.So arrange soft head, its material is softer, when contacting with blood vessel, can not increase the pain of patient.
As shown in Figure 3-4, this sub-conduit can be RX type conduit, and catheter body 2 can be connected by push rod 3 with catheter block 5, and namely one end of push rod 3 is fixedly connected with one end of catheter body 2, and the other end of push rod 3 is fixedly connected with catheter block 5.Wherein, push rod 3 can be rustless steel push rod or Nitinol push rod, and the external diameter of push rod 3 can be 0.5-0.7mm
Further, the push rod 3 of RX type conduit can be provided with two sounding marks 4, one of them sounding mark 4 is 95cm apart from catheter body 2 away from the distance of the end of catheter block 5, and another sounding mark 4 is 105cm apart from catheter body 2 away from the distance of the end of catheter block 5.
In addition, as seen in figs. 5-6, this sub-conduit can be also OTW type conduit, and catheter body 2 is directly fixedly connected with catheter block 5, and catheter block 5 has the inner chamber be communicated with catheter body 2 inside, the second seal wire 10 like this can be inner through entering catheter body 2 after the inner chamber of catheter block 5.
Similarly, the catheter body 2 of OTW type conduit can be provided with two sounding marks 4, one of them sounding mark 4 is 95cm apart from its distance away from the end of catheter block 5, and another sounding mark 4 is 105cm apart from its distance away from the end of catheter block 5.
In order to ensure that the medical apparatus and instruments such as support, arteria coronaria sacculus can pass through from catheter body 2 inside, the internal diameter of catheter body 2 should be greater than 1.04mm.The external diameter of catheter body 2 should be greater than 1.17mm.
Based on the sub-conduit provided in above-described embodiment, present invention also offers a kind of primary and secondary guiding catheter, this primary and secondary guiding catheter comprises female conduit and sub-conduit, and its neutron guide tube is any one sub-conduit in above-described embodiment.The sub-conduit in above-described embodiment is have employed, so the beneficial effect of this primary and secondary guiding catheter please refer to above-described embodiment due to this primary and secondary guiding catheter.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a seed tube, comprise catheter body (2) and catheter block (5), it is characterized in that, the end away from catheter block (5) of described catheter body (2) has end wall (7), the inner side of described end wall (7) is inclined plane, and the angle between this inclined plane and described catheter body (2) axis is acute angle;
The sidewall of described catheter body (2) offers side opening (1), seal wire can slide in described side opening (1) along described inclined plane.
2. sub-conduit according to claim 1, is characterized in that, described end wall (7) also offers through hole (8).
3. sub-conduit according to claim 1, is characterized in that, the quantity of described side opening (1) is one or two.
4. sub-conduit according to claim 1, is characterized in that, the sidewall of described catheter body (2) is also provided with metal marker (6), and x-ray can not through described metal marker (6).
5. sub-conduit according to claim 1, is characterized in that, described inclined plane is connected by transition cambered surface with the sidewall of described catheter body (2).
6. sub-conduit according to claim 1, is characterized in that, one end away from catheter block (5) of described catheter body (2) is also fixedly connected with soft head.
7. sub-conduit according to claim 1, it is characterized in that, described catheter body (2) is connected by push rod (3) with catheter block (5), one end of described push rod (3) is fixedly connected with one end of catheter body (2), and the other end of described push rod (3) is fixedly connected with described catheter block (5).
8. sub-conduit according to claim 1, is characterized in that, described catheter body (2) is directly fixedly connected with catheter block (5), and described catheter block (5) has the inner chamber be communicated with catheter body (2) inside.
9. sub-conduit according to claim 1, is characterized in that, the internal diameter of described catheter body (2) is greater than 1.04mm.
10. a primary and secondary guiding catheter, comprises female conduit and sub-conduit, it is characterized in that, described sub-conduit is sub-conduit as claimed in any one of claims 1-9 wherein.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250872.8A CN104815380A (en) | 2015-05-15 | 2015-05-15 | Child and mother guide conduit and child conduit thereof |
| CN201510847670.1A CN105288822A (en) | 2015-05-15 | 2015-11-26 | Mother-son guide catheter and son catheter thereof |
| CN201520976746.6U CN205145356U (en) | 2015-05-15 | 2015-11-26 | Primary and secondary guides pipe and sub - pipe thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250872.8A CN104815380A (en) | 2015-05-15 | 2015-05-15 | Child and mother guide conduit and child conduit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104815380A true CN104815380A (en) | 2015-08-05 |
Family
ID=53726012
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510250872.8A Pending CN104815380A (en) | 2015-05-15 | 2015-05-15 | Child and mother guide conduit and child conduit thereof |
| CN201510847670.1A Pending CN105288822A (en) | 2015-05-15 | 2015-11-26 | Mother-son guide catheter and son catheter thereof |
| CN201520976746.6U Active CN205145356U (en) | 2015-05-15 | 2015-11-26 | Primary and secondary guides pipe and sub - pipe thereof |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510847670.1A Pending CN105288822A (en) | 2015-05-15 | 2015-11-26 | Mother-son guide catheter and son catheter thereof |
| CN201520976746.6U Active CN205145356U (en) | 2015-05-15 | 2015-11-26 | Primary and secondary guides pipe and sub - pipe thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN104815380A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449722A (en) * | 2020-04-08 | 2020-07-28 | 上海心玮医疗科技有限公司 | Intravascular delivery system |
| CN113304379A (en) * | 2021-05-20 | 2021-08-27 | 苏州大学附属第一医院 | Interventional catheter with side hole and coaxial microcatheter intubation method through side hole |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815380A (en) * | 2015-05-15 | 2015-08-05 | 湖南埃普特医疗器械有限公司 | Child and mother guide conduit and child conduit thereof |
| CN105769401A (en) * | 2016-04-28 | 2016-07-20 | 南京医科大学第附属医院 | Special-shaped side branch balloon stent system for bifurcation lesion interventional therapy |
| CN105726179B (en) * | 2016-05-16 | 2019-02-15 | 张健 | A kind of double saccule support systems of special type side branch for bifurcated lesions interventional therapy |
| US11266814B2 (en) * | 2016-08-10 | 2022-03-08 | Nipro Corporation | Support catheter |
| CN108837277A (en) * | 2018-07-18 | 2018-11-20 | 董鹏 | Extend conduit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4774949A (en) * | 1983-06-14 | 1988-10-04 | Fogarty Thomas J | Deflector guiding catheter |
| US5040548A (en) * | 1989-06-01 | 1991-08-20 | Yock Paul G | Angioplasty mehtod |
| US5916194A (en) * | 1996-05-24 | 1999-06-29 | Sarcos, Inc. | Catheter/guide wire steering apparatus and method |
| CN2783951Y (en) * | 2005-02-01 | 2006-05-31 | 维科医疗器械(苏州)有限公司 | Self-expanding type bracket coaxial releasing system for reclaiming protective umbrella |
| CN201578737U (en) * | 2010-01-08 | 2010-09-15 | 张杰峰 | Double guide wire catheter |
| US10099034B2 (en) * | 2012-07-27 | 2018-10-16 | The Regents Of The University Of California | Microinjection catheter |
| CN104815380A (en) * | 2015-05-15 | 2015-08-05 | 湖南埃普特医疗器械有限公司 | Child and mother guide conduit and child conduit thereof |
-
2015
- 2015-05-15 CN CN201510250872.8A patent/CN104815380A/en active Pending
- 2015-11-26 CN CN201510847670.1A patent/CN105288822A/en active Pending
- 2015-11-26 CN CN201520976746.6U patent/CN205145356U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449722A (en) * | 2020-04-08 | 2020-07-28 | 上海心玮医疗科技有限公司 | Intravascular delivery system |
| CN113304379A (en) * | 2021-05-20 | 2021-08-27 | 苏州大学附属第一医院 | Interventional catheter with side hole and coaxial microcatheter intubation method through side hole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105288822A (en) | 2016-02-03 |
| CN205145356U (en) | 2016-04-13 |
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Application publication date: 20150805 |