CN109512481A - It is a kind of for treating the occlusion catheter and application method of coronary arterial perforation - Google Patents
It is a kind of for treating the occlusion catheter and application method of coronary arterial perforation Download PDFInfo
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- CN109512481A CN109512481A CN201811555622.5A CN201811555622A CN109512481A CN 109512481 A CN109512481 A CN 109512481A CN 201811555622 A CN201811555622 A CN 201811555622A CN 109512481 A CN109512481 A CN 109512481A
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- occlusion catheter
- distal portions
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- plugging film
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/12031—Type of occlusion complete occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12136—Balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
- A61B2017/12081—Details concerning the detachment of the occluding device from the introduction device detachable by inflation
Abstract
The present invention provides a kind of for treating the occlusion catheter and application method of coronary arterial perforation, and the occlusion catheter includes the conduit and its internal plugging film being connected by two seal wires with control handle with guidewire lumen;The occlusion catheter is divided into head portion, distal portions and proximal part;Proximal part is close to operation handle, distal portions one end is connected with proximal part, the distal portions other end is connected with head portion, and the extended segment of head portion, distal portions and distal portions to the proximal part of occlusion catheter, which is arranged in, to be parallel to inside catheter lumen, perforation guidewire lumen.The guidewire lumen in occlusion catheter head end far to continue to extend forward to form top, conducive to occlusion catheter passing through in the blood vessels.
Description
Technical field
It is the invention belongs to the field of medical instrument technology, in particular to a kind of for treating the occlusion catheter of coronary arterial perforation
And application method.
Background technique
Coronary arterial perforation is the severe complication occurred in coronary intervention procedure, once occurring, occurs the heart quickly
Packet filling, jeopardizes patient vitals.With the extensive development of interventional therapy and to Chronic coronary artery occlusion, the tortuous lesion intervention of calcification
Increase, be increasingly becoming puzzlement intervention doctor, threaten patients with coronary heart disease life and health major issue.
Once coronary artery perforation occurs, the method used first in the prior art is to use balloon occluder.If selected sacculus
Diameter is small, is extremely difficult to the effect blocked, and balloon diameter is big, causes vascular wall drawing, is unfavorable for thrombosis at cut.Usually
In the case of, it blocks and is difficult to gather effect, often transitional arrangement during waiting overlay film frame.Even if blocking successfully, also can
Vascular occlusion is caused, corresponding blood supply regional myocardial infarct seriously affects patient's heart function.The side of coronary artery perforation is effectively treated at present
Method is implantation overlay film frame.However, overlay film frame is very expensive, general conduit room is not standing, and patient may be in waiting process
It is middle because haemodynamics deteriorates dead, or general patient can't afford the expense of the overlay film frame.Even if having price suitable and
The overlay film frame of suitable diameter, but because overlay film frame is harder, passability is poor, implantation may be caused difficult or failure.Further
Ground, because of overlay film frame wall thickness, dramatically increases the risk of thrombus in stents and restenosis even if being successfully implanted into overlay film frame.
Therefore, it is badly in need of the occlusion catheter that a kind of performance can be applicable in treatment coronary arterial perforation.
Summary of the invention
In order to overcome the problems such as regulating power of the prior art is poor and security and stability is bad, the present invention proposes that one kind is used for
The occlusion catheter and application method for treating coronary arterial perforation.It significantly improves closure efficiency, also substantially reduces and is waiting overlay film
Occurs the possibility of haemodynamics deterioration in stent procedures
According to the present invention technical solution in a first aspect, provide it is a kind of for treating the occlusion catheter of coronary arterial perforation,
It includes the conduit and its internal plugging film being connected by two seal wires with control handle with guidewire lumen;The closure is led
Pipe is divided into head portion, distal portions and proximal part;Proximal part is close to operation handle, distal portions one end and proximal part
It is connected, the distal portions other end is connected with head portion, head portion, distal portions and the distal portions of occlusion catheter to proximal end
Partial extended segment, which is arranged in, to be parallel to inside catheter lumen, perforation guidewire lumen.
Preferably, the occlusion catheter has the lumen for accommodating plugging film and its manipulating seal wire, lumen tail end and manipulation hand
There is protection sheath, to prevent plugging film release when not reaching operating position between handle.
It is highly preferred that the head end of the conduit has flap valve device, blood enters conduit after preventing conduit from entering in vivo.Institute
Plugging film is stated to be made of nearly diamond shape or oval memory wire frame and its polyurethane film being fixed thereon.
In addition, being stained with one layer of absorbable gelatin sponge particle on the polyurethane film, moisture in blood can be absorbed upon discharge
Expansion.And the breach of blood vessel is adjacent under other equipment such as auxiliary of the sacculus of expansion, to play closure anastalsis.It is described
Plugging film wire frames are connected by manipulation seal wire with control handle, after conduit reaches operating position, can remove protection
Sheath, driving handle is to discharge plugging film.
Preferably, by the controllable angle for blocking membrane plane of the rotation of handle so that it is parallel to vascular wall.
Optionally, it may be provided with brasnch conduct at the nearly handle of the conduit portion, the brasnch conduct passes through side opening and master
Conduit communicates, can saline injection in favor of lubrication.
Preferably, process is blocked every time at 5-10 minutes, may be repeated several times, until blocking successfully.Block interval release
The sacculus of expansion is to open blood vessel supply.
The second aspect of technical solution according to the present invention provides a kind of using the above-mentioned envelope for being used to treat coronary arterial perforation
The method of stifled conduit when using the occlusion catheter, blocks process at 5-10 minute every time, may be repeated several times, until closure at
Function;The sacculus of interval release expansion is blocked to open blood vessel supply.
Referring now to the prior art, occlusion catheter provided by the invention is used, hence it is evident that improve closure efficiency, also substantially reduce
Occurs the possibility of haemodynamics deterioration during waiting overlay film frame.Other conduits relative to treatment coronary arterial perforation
For, plug rack of the invention can be applied to any vascular puncture complication because it is not limited by model.It is few in conduit room
Amount stock can effectively take precautions against pernicious complication event.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of the occlusion catheter for the treatment of coronary arterial perforation according to the present invention.
Fig. 2 is the enlarged diagram of occlusion catheter longitudal section in Fig. 1.
Fig. 3 is the enlarged diagram of distal catheter portion cross section in Fig. 1.
Fig. 4 is the enlarged diagram of conduit head end a or a ' partial cross sectional in Fig. 1.
Fig. 5 is the structural schematic diagram of another embodiment of occlusion catheter provided by the invention.
Fig. 6 is that occlusion catheter provided by the invention reaches structural schematic diagram when releasing plugging film behind operating position.
Fig. 7 is the enlarged diagram for releasing the plugging film outside conduit head portion, and wherein plugging film is rounded diamond.
Fig. 8 is the enlarged diagram for releasing the plugging film outside conduit head portion of another embodiment, wherein plugging film
For ellipse.
Fig. 9 is the cross-sectional view that plugging film blocks perforation blood vessel.
Figure 10 is the long axis cross-section schematic diagram that plugging film blocks perforation blood vessel.
Appended drawing reference shown in attached drawing are as follows:
1 --- occlusion catheter head portion;2 --- distal catheter portion;3 --- proximal catheter end portion;4 --- seal wire
Chamber;5 --- top;6 protection sheaths;7 --- operation handle;8 --- brasnch conduct, 9 --- plugging film;10 --- adherency and closure
Absorbable gelatin sponge particle on film;11 --- the wire frames of plugging film;B, b ' --- two free-ends of wire frames;
12,12 " --- two manipulation seal wires of plugging film, 13 --- catheter lumen;14 --- ring like steel wire;15 --- flap valve;16——
Parallel steel wire, 17 --- removable fixing clamp, 18 --- vascular wall;19 --- site of perforation;20 --- the sacculus of expansion;
21 --- sacculus bar.
Specific embodiment:
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.Obviously, the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.In addition, protection scope of the present invention should not shall be limited only to following specific
Structure or component or design parameter.
Occlusion catheter provided by the present invention for treating coronary arterial perforation include have guidewire lumen conduit and
Its internal plugging film being connected by two seal wires with control handle;The occlusion catheter be divided into head portion, distal portions and
Proximal part;The head portion, distal portions and distal portions proximally part changeover portion have guidewire lumen, in favor of envelope
Stifled conduit is entered internal in a manner of fast exchange;The guidewire lumen continues to extend forward with shape in occlusion catheter head end to distal end
At top, conducive to occlusion catheter passing through in the blood vessels.
Preferably, the occlusion catheter has the lumen for accommodating plugging film and its manipulating seal wire, lumen tail end and manipulation hand
There is protection sheath, to prevent plugging film release when not reaching operating position between handle.The head end of the conduit is filled with flap valve
It sets, blood enters conduit after preventing conduit from entering in vivo.The plugging film by nearly diamond shape or oval memory wire frame and
Its polyurethane film being fixed thereon is constituted.
In addition, being stained with one layer of absorbable gelatin sponge particle on the polyurethane film, moisture in blood can be absorbed upon discharge
Expansion.And the breach of blood vessel is adjacent under other equipment such as auxiliary of the sacculus of expansion, to play closure anastalsis.It is described
Plugging film wire frames are connected by manipulation seal wire with control handle, after conduit reaches operating position, can remove protection
Sheath, driving handle is to discharge plugging film.By the controllable angle for blocking membrane plane of the rotation of handle so that it is parallel to
Vascular wall.May be provided with brasnch conduct at the nearly handle of the conduit portion, the brasnch conduct is communicated by side opening with main pipe,
Can saline injection in favor of lubrication.
Using of the invention for treating the occlusion catheter of coronary arterial perforation, closure process, can at 5-10 minutes every time
It is repeated several times, until blocking successfully.The sacculus of interval release expansion is blocked to open blood vessel supply.
It is compared to the prior art, the occlusion catheter for treating coronary arterial perforation of the invention has obviously
Technical advantage.Such as it is still in being implanted into the patient in research process using medical 3M pad pasting self manufacture overlay film frame, though
Perforation can be so handled more in time, but due to introducing 3M pad pasting in patient's body, and 3M pad pasting there is no the life being chronically implanted in vivo
Object compatibility and toxicology test data, if influence bracket endothelialization, and whether obviously increase thrombus or restenosis risk
Deng exist other risks a possibility that.
Technical solution of the present invention is described in detail below in conjunction with attached drawing.
Embodiment 1, the present invention provides a kind of occlusion catheters, are used to treat the occlusion catheter of coronary arterial perforation.Ginseng
See Fig. 1-Fig. 4, the occlusion catheter for treating coronary arterial perforation include in conduit and catheter lumen by two manipulation seal wires and
The connected plugging film of control handle, the conduit are comprising hollow cavity body structure, i.e. catheter lumen, and two roots manipulate seal wires from leading
Pass through in lumen, manipulation seal wire is connected by the free-end of wire frames with the wire frames of plugging film, in wire
Sponge particles, preferably absorbable gelatin sponge particle are stained on frame;Two manipulation seal wires are connected with control handle.In wire
Frame end is connected with plugging film.As shown in Fig. 4, the guidewire lumen 4 that seal wire passes through is provided on the outside of catheter lumen.
The occlusion catheter has head portion 1, distal portions 2 and proximal part 3, and proximal part 3 is close to operation handle
7,2 one end of distal portions is connected with proximal part 3, and 2 other end of distal portions is connected with head portion 1, and occlusion catheter tube wall is equal
For three-decker, which is respectively the centre of the internal layer, outer layer and the braided steel wire that are made of medical macromolecular materials
Layer.The purpose of middle layer is to enhance the push power of conduit to pass through guiding catheter and lumen of vessels to reach operating position.
Since each section of conduit role is different, structure is different in design.
3 length of proximal part is 500-2000mm, preferably 1300mm.Proximal part 3 uses braided steel wire, preferably high
The medical steel wire of density weave, to guarantee to push power;Its outer diameter, internal diameter and wall thickness use the size suitable for push.Through excessive
Secondary research, proximal part 3 use outer diameter for 0.95mm, internal diameter 0.65mm, and conduit wall thickness 0.15mm is especially best.0.95mm
Outer diameter can pass through 6F guiding catheter inner cavity (1.75mm) to guarantee smoothly to match with 0.6mm sacculus bar simultaneously.It is described close
The internal layer and outer layer of end part use medical macromolecular materials.Proximal part 3 is equipped with branch close to one end of operation handle 7 and leads
Pipe 8, and be connected via protection sheath 6 with operation handle 7.
The distal portions 2 use braided steel wire, the preferred medical steel wire of high density braided, length 100-200mm,
It is preferred that 160mm, is flexible knit unit, compares proximal part, braided steel wire diameter is thinner, and preferably count falls to 2:
1, i.e., the braided steel wire density of distal portions 2 be proximal part braided steel wire density half, to improve the soft of distal portions
It is soft.Further, the conduit wall thickness of distal portions is reduced to 0.13-0.05mm, preferably 0.1mm;Outer diameter is reduced to 0.92-
0.05mm, preferably 0.9mm.This kind design makes distal catheter portion more easily by curved blood vessel.Meanwhile this kind design makes to lead
The internal diameter of pipe distal portions increases, preferably 0.7mm, when being bent by blood vessel rear tube, leads conducive to the manipulation of its inside
The operation of silk.The distal portions internal layer and outer layer high molecular material are identical as proximal part.
The head portion 1 is 5-15mm long, preferably 10mm;Diameter increases 0.8-2mm, preferably 1.1mm.Head portion 1
It is the proximal end starting point a ' of head portion 1, proximal end starting point, that is, distal portions 2 distal end with 2 junction of distal portions
Terminal a '.The distal portion of the head portion 1 is the terminal end a of the occlusion catheter.Be provided at a ' and a by polyurethane or
Soft flap valve made of the high molecular materials such as polyethylene, the entrance of blood after flap valve is used to prevent conduit from entering blood vessel at a.a'
Place's flap valve is to prevent salt water in distal catheter portion from entering.Ring like steel wire is provided at a and a ', ring like steel wire is remote at a '
The terminal of 2 middle layer braided steel wire structure of end part.The steel wire in the head portion middle layer is three to eight parallel steel wires, excellent
Select six roots of sensation parallel steel wire.The front end of the head portion 1 has length for the top 5 of 1mm-4mm, the preferably top of 1.5mm,
The top is the extension of guidewire lumen 4.Setting top 5 is conducive to conduit along seal wire in the blood vessels by reach suitable work
Position.
The internal layer and outer layer of the head portion 1 are preferably flexible polyurethane material, in conjunction with the parallel steel in its middle layer
The design of silk, conducive to the deformation of its lumen so that plugging film remains to smoothly withdraw to catheter lumen in absorbing blood after moisture expansion
It is interior.Head portion 1, distal portions 2 and the distal portions of the occlusion catheter to the extended segment of proximal part setting are being parallel to
Inside catheter lumen, perforation guidewire lumen 4, so that conduit is entered in vivo in a manner of fast exchange.The length of guidewire lumen 4 is
100-400mm, preferably 220mm are adapted with catheter lumen and match.
As shown in Fig. 2, plugging film 9 is fixed in wire frames 11, not up to operating position when, the plugging film 9 and
Its wire frames is located in the head portion 1 of the conduit in folded state.
The plugging film is preferably polyurethane film, for ellipse or nearly diamond shape.The widest part is preferably 3mm.Major diameter is preferred
For 6mm.One layer of absorbable gelatin sponge particle 10 of its surface uniform adhesion.After absorbing the expansion of blood moisture, film thickness is blocked preferably not
More than 200um, so that the maximum cross-section area is preferably 0.6mm after blocking membrane swelling2, much smaller than the cross section of conduit head portion
Product (most preferably 0.95mm2), to guarantee that plugging film is smoothly withdrawn in conduit head portion after blocking.The metal wire frame
Frame 11 is the Nitinol with memory function and ultra-strong elasticity.Two free-end b and b ' is connected to two manipulations and leads
Silk 12 and 12 '.The proximal end free-end of two manipulations seal wire is individually fixed in control handle 7.
The manipulation seal wire is stainless steel seal wire, preferably diameter 0.010inch (0.0254mm), outer coating tetrafluoroethylene
(PTFE), to minimize the friction with conduit parietal layer, it is conducive to push.
The proximal catheter is provided with brasnch conduct 8 at nearly handle, is communicated by side opening with main pipe, can inject salt water
In favor of lubrication.The side opening is located at proximal catheter side, the preferably elliptical shape of 0.5mm × 1mm, correspondingly, branch leads
Pipe is elliptic cylindrical shape, and material can use medical macromolecular materials well known to those skilled in the art.The occlusion catheter
Protection sheath 6 is provided between proximal part and control handle 7, to prevent plugging film release when not reaching operating position.
Fig. 5 is another embodiment of the present invention, wherein protection sheath 6 can replace protection sheath with removable clip 17.
Fig. 6 is shown after conduit reaches operating position, and protection sheath is removed, and plugging film is pushed out conduit by control handle
Situation except head portion.Plugging film restores the situation of its nearly diamond shape original form after Fig. 7 shows release, at this point, passing through
Rotational handle manipulates the angle for blocking membrane plane so that it is parallel to vascular wall.
Fig. 8 is another embodiment of plugging film.Wherein, plugging film is preferably ellipse.Preferably, occlusion catheter of the present invention
Head end and distal portions be coated with hydrophilic coating, to enhance its passability in the blood vessel.
As shown in Figure 9 and Figure 10, which respectively show shown from the cross section of blood vessel and longitudinal section with plugging film
Block the situation of angiorrhoxis mouth.Cross-sectional view as shown in Figure 9 occurs perforated portion 19, plugging film attachment on vascular wall 18
The inflated sacculus 20 of absorbable gelatin sponge particle 10 be tightly attached to angiorrhoxis mouth (perforated portion) 19.It cuts longitudinal direction as shown in Figure 10
Face occurs perforated portion 19 on vascular wall 18, and the sacculus 20 that the absorbable gelatin sponge particle 10 of plugging film attachment is inflated is tightly attached to blood
Tracheal rupture mouth (perforated portion) 19, head portion 1 connect the absorbable gelatin sponge particle 10 of plugging film attachment, and the connection of sacculus bar 21 is swollen
Swollen sacculus 20.Absorbable gelatin sponge particle 10 on plugging film is remarkably improved closure success rate.
Preferably, using the occlusion catheter that improves of the present invention it may be noted that its proximal part intraluminal volume (3.14 ×
0.32-3.14 × 0.1272 × 2) × 1300=235.7ul therefore, through brasnch conduct injection amount of liquid 200ul is not to be exceeded.
Preferably, its inside coating of occlusion catheter provided by the invention is the extremely low polytetrafluoroethylene (PTFE) of coefficient of friction
(PTFE), to minimize the friction of manipulation seal wire and tube wall, conducive to the manipulation of plugging film.Preferably, use is provided by the invention
Occlusion catheter should first withdraw the foley's tube of auxiliary at the end of closure, then slowly withdraw plugging film to the head of occlusion catheter
In end, if the haemostatic membrane swells and cannot return in the catheter lumen because absorbing moisture in blood, need to slowly it withdraw to described
It withdraws in guiding catheter and with guiding catheter to external.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Those skilled in the art is appreciated that without departing substantially from appended right
It is required that various modifications can be made in form and detail in the case where the spirit and scope of the present invention of definition.
Claims (9)
1. a kind of for treating the occlusion catheter of coronary arterial perforation, which is characterized in that it include have the conduit of guidewire lumen with
And its internal plugging film being connected by two seal wires with control handle;The occlusion catheter is divided into head portion, distal portions
And proximal part;Proximal part is connected close to operation handle, distal portions one end with proximal part, the distal portions other end and head
End part is connected, and head portion, distal portions and distal portions to the extended segment of proximal part of occlusion catheter are arranged parallel
Inside catheter lumen, perforation guidewire lumen.
2. occlusion catheter according to claim 1, which is characterized in that the occlusion catheter, which has, accommodates plugging film and its behaviour
The lumen of conduct silk has protection sheath between lumen tail end and control handle.
3. occlusion catheter according to claim 1, which is characterized in that the head end of the occlusion catheter has flap valve device.
4. occlusion catheter according to claim 3, which is characterized in that the plugging film is by nearly diamond shape or ellipse memory gold
Belong to reel frame and its polyurethane film being fixed thereon is constituted.
5. occlusion catheter according to claim 1, which is characterized in that be stained with one layer of gelatin sea on the polyurethane film
Continuous particle.
6. occlusion catheter according to claim 1, which is characterized in that the plugging film wire frames pass through manipulation seal wire
It is connected with control handle.
7. occlusion catheter according to claim 1, which is characterized in that flat by the controllable plugging film of the rotation of handle
The angle in face is so that it is parallel to vascular wall.
8. occlusion catheter according to claim 1, which is characterized in that be provided at the nearly handle in the occlusion catheter part point
Branch conduit, the brasnch conduct are communicated by side opening with main pipe.
9. a kind of method of any occlusion catheter using claim 1-8, which is characterized in that led using the closure
Guan Shi blocks process at 5-10 minutes every time, may be repeated several times, until blocking successfully;Block the sacculus of interval release expansion
To open blood vessel supply.
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Cited By (2)
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CN112704811A (en) * | 2020-12-22 | 2021-04-27 | 上海微创医疗器械(集团)有限公司 | Perfusion device and blood pump comprising same |
CN113143378A (en) * | 2021-04-15 | 2021-07-23 | 湖南维迩医疗科技有限公司 | Sliding vascular sheath capable of plugging artery and vein |
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US20140257371A1 (en) * | 2013-03-06 | 2014-09-11 | St. Jude Medical Puerto Rico Llc | Distal rapid exchange for transluminal angioplasty device and methods |
CN204839623U (en) * | 2015-01-15 | 2015-12-09 | 李国庆 | Be applicable to coronary artery perforate in vascular plugging device |
CN210541686U (en) * | 2018-12-19 | 2020-05-19 | 首都医科大学附属北京安贞医院 | Plugging catheter for treating coronary artery perforation |
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CN101496732A (en) * | 2009-02-24 | 2009-08-05 | 中国人民解放军第三军医大学第一附属医院 | Hemostatic suppository for blocking organ puncture path |
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CN204839623U (en) * | 2015-01-15 | 2015-12-09 | 李国庆 | Be applicable to coronary artery perforate in vascular plugging device |
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CN112704811A (en) * | 2020-12-22 | 2021-04-27 | 上海微创医疗器械(集团)有限公司 | Perfusion device and blood pump comprising same |
CN113143378A (en) * | 2021-04-15 | 2021-07-23 | 湖南维迩医疗科技有限公司 | Sliding vascular sheath capable of plugging artery and vein |
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