CN110169845A - A kind of positioning fenestration device of overlay film frame - Google Patents
A kind of positioning fenestration device of overlay film frame Download PDFInfo
- Publication number
- CN110169845A CN110169845A CN201910572015.8A CN201910572015A CN110169845A CN 110169845 A CN110169845 A CN 110169845A CN 201910572015 A CN201910572015 A CN 201910572015A CN 110169845 A CN110169845 A CN 110169845A
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- Prior art keywords
- needle
- balloon catheter
- sacculus
- catheter device
- threading
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Links
- 238000005452 bending Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000001727 in vivo Methods 0.000 abstract description 2
- 238000003801 milling Methods 0.000 abstract description 2
- 210000004204 blood vessel Anatomy 0.000 description 13
- 210000000709 aorta Anatomy 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 5
- 201000010099 disease Diseases 0.000 description 4
- 210000001367 artery Anatomy 0.000 description 3
- 206010002329 Aneurysm Diseases 0.000 description 2
- 208000007474 aortic aneurysm Diseases 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000009087 False Aneurysm Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 206010054805 Macroangiopathy Diseases 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 206010042434 Sudden death Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 206010048975 Vascular pseudoaneurysm Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013170 computed tomography imaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
- A61F2002/9583—Means for holding the stent on the balloon, e.g. using protrusions, adhesives or an outer sleeve
Abstract
The present invention relates to a kind of positioning fenestration devices of overlay film frame, including bending deformed balloon catheter device and puncture needle, balloon catheter device is internally provided with the channel of threading a needle passed through for puncture needle, the inserting needle mouth in channel of threading a needle is located at the operating side of balloon catheter device, the needle outlet in channel of threading a needle is located on the side wall of balloon catheter device, and the position limiting structure that restricted puncture needle stretches out direction from needle outlet is arranged in the surrounding that the outside of balloon catheter device is located at needle outlet.The present invention has the characteristics that be accurately positioned in vivo, accurately open a window, and greatlies simplify casing milling steps, reduces the requirement to technology and the dependence of experience, reduce operating difficulty and risk.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly, to a kind of positioning fenestration device of overlay film frame.
Background technique
Aortic aneurysm is the most common aneurysm, is a kind of macrovascular diseases for seriously threatening human life.In recent years with
Hypertension, artery sclerosis disease incidence increase and aging of population, the disease incidence of aortic aneurysm also increase year by year, become in it is old
One of the common cause of year people's sudden death.Its cause of disease is mainly that retrogression pathological changes occurs in medial, and then leads to aorta wall
Become weak, active vessel lumen ball sample expansion.
Overlay film frame is used to treat the big progress that arotic disease is arotic disease treatment in recent years, indication
It has included aorta true aneurysm, aortic pseudoaneurysm, dissection of aorta, aorta penetrating ulcer etc..This skill
Art significantly reduces operation wound, and patient restores very fast.However, there is also shortcomings for technique at present, when lesion is tired
And aorta Main Branches when, while completely cutting off lesion, the opening of branch can be also closed.
Technology one for being related to retaining bifurcated artery is the bracket for being directed to the vascular morphology feature custom-made of patient, factory
When design and produce the overlay film frame with bifurcated artery bracket, the period is long, probably needs three months or so, and operation difficulty
Greatly, the practicability is poor；Another kind is that overlay film frame opens a window in vitro in art, and the CT imaging for needing to combine closely preoperative easily goes out
Existing error, moreover, needing to send overlay film frame in bracket guide sheath back to again after windowing, due to increasing label quoit
Deng, cause to be reloaded into difficulty, firmly damaged after loopback bracket may, and then enter human body and occur that bracket wrecks and unexpected release can
Can, it leads to disastrous consequence, while operation needs good stereovision in art, it is most likely that Poor fitness, Jin Erfa occurs
Life is unable to pairing branch vessel, the danger for causing branch occlusion, organ to be lost.
Summary of the invention
The object of the present invention is to provide a kind of positioning fenestration device of overlay film frame, has and be accurately positioned in vivo, be quasi-
Really the characteristics of windowing, casing milling steps are greatlied simplify, the requirement to technology and the dependence of experience are reduced, it is difficult to reduce operation
Degree and risk.
Foregoing invention purpose of the invention has the technical scheme that
A kind of positioning fenestration device of overlay film frame, including bending deformed balloon catheter device and puncture needle, sacculus are led
Pipe device is internally provided with the channel of threading a needle passed through for puncture needle, and the inserting needle mouth in channel of threading a needle is located at the behaviour of balloon catheter device
Make end, the needle outlet in channel of threading a needle is located on the side wall of balloon catheter device, and the outside of balloon catheter device is located at needle outlet
The position limiting structure that restricted puncture needle stretches out direction from needle outlet is arranged in surrounding.
By using above-mentioned technical proposal, the insertion end of balloon catheter device is inserted into blood vessel, and makes foley's tube
The needle outlet in the channel of threading a needle of device is opposite with the position of branch vessel, and puncture needle is inserted into the inside in channel of threading a needle, and makes
It is stretched out from needle outlet, the puncture needle passed through by needle outlet via position limiting structure guiding, thus to branch vessel direction
It is mobile, to pierce through the overlay film frame between main blood vessel and branch vessel, open a window to overlay film frame.
The present invention is further arranged to: position limiting structure include successively be wrapped in the first sacculus outside balloon catheter device,
Second sacculus and third sacculus, the first sacculus are located at needle outlet close to the side of the insertion end of balloon catheter device, the second sacculus
Positioned at needle outlet close to the side of the operating side of balloon catheter device, the second sacculus is located in balloon catheter device and needle outlet phase
Pair position at, the evacuation being axially arranged along balloon catheter device is provided at the second sacculus position opposite with needle outlet
Opening, the both ends for avoiding opening are connected with the first sacculus and third sacculus respectively, the first sacculus, the second sacculus evacuation be open with
And third sacculus forms a guide channel；Balloon catheter device be internally provided with respectively with the first sacculus, the second sacculus and
Three water filling channels that third balloon interior is connected, the operating side of balloon catheter device are provided with respectively and inside water filling channel
Three water filling connectors being connected, water filling connector is provided with far from one end of balloon catheter device will fill the water the closure of connector closure
Part.
By using above-mentioned technical proposal, when balloon catheter device is sent to internal blood vessel, be the first sacculus,
Second sacculus and third sacculus carry out water filling respectively makes its expansion, to abut against with overlay film frame, the first sacculus, the second sacculus
Guide channel is formed between third sacculus, puncture needle is by guide channel to the overlay film at the position that is open with covering branch vessel
Bracket offsets, and then the overlay film of overlay film frame is punctured.
The present invention is further arranged to: balloon catheter device is internally provided with seal wire perforation.
By using above-mentioned technical proposal, it is previously implanted wire guide in the blood vessels, can be oriented to by seal wire, from
And accurately the insertion end of balloon catheter device can be sent to the specified location of blood vessel.
The present invention is further arranged to: the outside of the operating side of balloon catheter device is provided with the spiral shell being made of hard material
Line connector sleeve, threaded connection, which is put on, is threaded with turncap.
By using above-mentioned technical proposal, balloon catheter device operating side is closed by turncap.
The present invention is further arranged to: the operating side of balloon catheter device is provided with threading a needle of being connected with channel of threading a needle and connects
Head, the inner hole for connector of threading a needle are conical opening far from one end of balloon catheter device.
By using above-mentioned technical proposal, convenient for puncture needle to be inserted into the inside for connector of threading a needle, to be sent to sacculus
Conduit device is threaded a needle in channel.
The present invention is further arranged to: channel of threading a needle includes being provided with to penetrate section along the axial direction of balloon catheter device
And to the inclined export section of balloon catheter device lateral direction, exports section and be connected by curved channel with penetrating between section.
By using above-mentioned technical proposal, it is that puncture needle is oriented to by curved channel, makes it easier to enter and thread a needle
The export section in channel.
The present invention is further arranged to: the first sacculus, the second sacculus and third sacculus are Nian Jie with balloon catheter device
It is fixed.
By using above-mentioned technical proposal, led convenient for the first sacculus, the second sacculus and third sacculus are fixed on sacculus
In pipe device.
In conclusion advantageous effects of the invention are as follows:
1. by the way that the insertion end of balloon catheter device to be inserted into blood vessel, and making the needle out in the channel of threading a needle of balloon catheter device
Mouth is opposite with the position of branch vessel, puncture needle is inserted into the inside in channel of threading a needle, and stretch out it from needle outlet, passed through
The puncture needle that needle outlet passes through is located at main blood to pierce through to move to branch vessel direction via the guiding of position limiting structure
Overlay film frame between pipe and branch vessel, opens a window to overlay film frame；
2. by the way that wire guide is arranged in balloon catheter device, thus when balloon catheter device is sent to internal blood vessel
It waits, balloon catheter device is easy to be sent to the inside of blood vessel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of positioning fenestration device；
Fig. 2 is the longitudinal sectional view of balloon catheter device；
Fig. 3 is the transverse sectional view of balloon catheter device.
In figure, 1, balloon catheter device；11, it threads a needle channel；111, section is penetrated；112, section is exported；113, curved channel；
12, water filling channel；13, seal wire is perforated；2, puncture needle；3, it threads a needle connector；4, the first sacculus；5, the second sacculus；51, evacuation is opened
Mouthful；6, third sacculus；7, connector is filled the water；8, turncap；9, threaded connecting sleeve.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Fig.1, is a kind of positioning fenestration device of overlay film frame disclosed by the invention, including bending deformed sacculus
Conduit device 1 and puncture needle 2, one end of the length direction of balloon catheter device 1 are the insertion end of balloon catheter device 1, separately
One end is the operating side of balloon catheter device 1.
Referring to Fig.1, Fig. 2 is internally provided with channel 11 of threading a needle positioned at balloon catheter device 1, the inserting needle in channel 11 of threading a needle
Mouth is located on the end face of the operating side of balloon catheter device 1, and the needle outlet in channel 11 of threading a needle is located at the side wall of balloon catheter device 1
On.The thread a needle aperture in channel 11 is greater than the diameter of puncture needle 2, so that puncture needle 2 be made to be inserted into threading a needle the inside in channel 11.
Referring to Fig. 2, channel 11 of threading a needle include be arranged along the axial direction of balloon catheter device 1 penetrate section 111 and
The export section 112 being obliquely installed to the lateral direction of balloon catheter device 1, export section 112 is by curved channel 113 and penetrates section
111 inside is connected.Exporting section 112 and penetrating the angle formed between section 111 is obtuse angle.Export section 112 is separate to penetrate section
111 one end is the needle outlet in channel 11 of threading a needle, and penetrating the one end of section 111 far from export section 112 is the inserting needle in channel 11 of threading a needle
Mouthful.
It is provided with the connector 3 of threading a needle being connected with the inside in channel 11 of threading a needle positioned at the operating side of balloon catheter device 1, wears
Adapter 3 and balloon catheter device 1 are integrally formed.One end inner hole of the connector 3 far from balloon catheter device 1 of threading a needle is conical opening,
To which when puncture needle 2 to be inserted into the inside for connector 3 of threading a needle, puncture needle 2 is inserted easily into the inside for connector 3 of threading a needle.
Referring to Fig.1, Fig. 3, positioned at the outside of balloon catheter device 1 from the insertion end of balloon catheter device 1 to foley's tube
The first sacculus 4, the second sacculus 5 and the third sacculus 6 that the operating side of device 1 is set gradually, the first sacculus 4, the second sacculus 5 with
And third sacculus 6 is wrapped on the outside of balloon catheter device 1.First sacculus 4, the second sacculus 5 and third sacculus 6 and ball
It pastes and is fixedly linked between catheter device 1.
First sacculus 4 be located at thread a needle channel 11 needle outlet close to balloon catheter device 1 insertion end side；Third ball
Capsule 6 is located at the side of the needle outlet close to the operating side of balloon catheter device 1 in channel 11 of threading a needle；Second sacculus 5 is led positioned at sacculus
In pipe device 1 at the position opposite with the needle outlet in channel 11 of threading a needle.It is opposite with the needle outlet in channel 11 of threading a needle in the second sacculus 5
Position at, be provided on the second sacculus 5 evacuation opening 51, evacuation opening 51 two sides side wall be located at channel 11 of threading a needle
The two sides of needle outlet.Evacuation opening 51 is respectively with the second sacculus 5 towards the insertion end and the second sacculus 5 of balloon catheter device 1
It is connected towards the end face of the operating side of balloon catheter device 1.Between first sacculus 4 and evacuation opening 51 and third sacculus 6
Form guide channel when puncture needle 2 stretches out the needle outlet in channel 11 of threading a needle.The side wall and the first ball of 51 two sides of evacuation opening
Capsule towards thread a needle channel 11 needle outlet side and third sacculus 6 towards channel 11 of threading a needle needle outlet side with thread a needle it is logical
The needle outlet in road 11 is in tangent state.
Referring to Fig. 3, respectively the first sacculus 4, the second sacculus 5 and the are internally provided with positioned at balloon catheter device 1
Three water filling channels 12 that the inside of three sacculus 6 is connected.In conjunction with Fig. 1, it is provided with point positioned at the operating side of balloon catheter device 1
The water filling connector 7 not being connected with the inside of three water filling channels 12, water filling connector 7 are integrally connected with balloon catheter device 1.?
The one end of connector 7 far from balloon catheter device 1 is filled the water, the outside of water filling connector 7 is provided with external screw thread, and screw thread connects on external screw thread
It is connected to turncap 8, by turncap 8 thus by water-filling connector far from the closed at one end of balloon catheter device 1.
Referring to Fig. 2, Fig. 3, seal wire perforation 13 is provided on the central axes of balloon catheter device 1, seal wire perforation 13 is passed through
Wear balloon catheter device 1.Seal wire perforation 13 can be such that medical wire guide passes through.Balloon catheter device 1 is being sent to blood
When inside pipe, wire guide is implanted in blood vessel first, balloon catheter device 1 is sleeved on wire guide and makes ball
The insertion end of catheter device 1 is sent in blood vessel, by the guiding role of wire guide, to prepare to make balloon catheter device
1 insertion end is sent to endovascular specified location.
The threaded connecting sleeve 9 being made of hard material, threaded connecting sleeve are provided with outside the operating side of balloon catheter device 1
9 are fixed on the outside of balloon catheter device 1, and the outer surface of threaded connecting sleeve 9 offers external screw thread.Positioned at threaded connecting sleeve 9
On be threaded with turncap 8.
The implementation principle of the present embodiment are as follows: after overlay film frame is implanted to main internal blood vessel, balloon catheter device 1 is prolonged
Wire guide protrudes into blood vessel and keeps the needle outlet in the channel 11 of threading a needle of balloon catheter device 1 opposite with the position of branch vessel,
Make the first sacculus 4, the second sacculus by the inside water-filling that water filling connector 7 is the first sacculus 4, the second sacculus 5 and third sacculus 6
5 and third sacculus 6 expand, so that the inner surface with overlay film frame abuts against, puncture needle 2 is finally penetrated into connector of threading a needle
In 3, make puncture needle 2 successively by the channel 11 of threading a needle inside thread a needle connector 3 and balloon catheter device 1, it is finally logical from threading a needle
It is stretched out at the needle outlet in road 11.Puncture needle 2 stretches out the needle outlet in channel 11 of threading a needle and is kept away by the first sacculus 4, second sacculus 5
The guide channel for allowing opening 51 and third sacculus 6 to be surrounded is mobile to the overlay film of membrane support, to pierce through on overlay film frame
Overlay film takes out puncture needle, changes to wire guide, and is entered branch vessel at overlay film perforation, retains wire guide, later by the
The water of the inside of one sacculus 4, the second sacculus 5 and third sacculus 6 is discharged, and balloon catheter device 1 is extracted out from blood vessel.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (7)
1. a kind of positioning fenestration device of overlay film frame, including bending deformed balloon catheter device (1) and puncture needle
(2), it is characterised in that: the balloon catheter device (1) is internally provided with the channel of threading a needle (11) passed through for puncture needle (2),
The inserting needle mouth of the channel of threading a needle (11) is located at the operating side of balloon catheter device (1), the needle outlet of the channel of threading a needle (11)
On the side wall of balloon catheter device (1), the surrounding setting that the outside of the balloon catheter device (1) is located at needle outlet is limited
Puncture needle (2) processed stretches out the position limiting structure in direction from needle outlet.
2. a kind of positioning fenestration device of overlay film frame according to claim 1, it is characterised in that: the position limiting structure packet
It includes and is successively wrapped in balloon catheter device (1) external the first sacculus (4), the second sacculus (5) and third sacculus (6), described the
One sacculus (4) is located at needle outlet close to the side of the insertion end of balloon catheter device (1), and second sacculus (5) is located at needle
Close to the side of the operating side of balloon catheter device (1), second sacculus (5) is located on balloon catheter device (1) and goes out mouth
At the opposite position of needle mouth, second sacculus (5) is provided at the position opposite with needle outlet along balloon catheter device (1)
Be axially arranged evacuation opening (51), it is described evacuation opening (51) both ends respectively with the first sacculus (4) and third sacculus (6)
It is connected, it is logical that first sacculus (4), the evacuation opening (51) of the second sacculus (5) and third sacculus (6) form a guiding
Road；The balloon catheter device (1) be internally provided with respectively with the first sacculus (4), the second sacculus (5) and third sacculus (6)
Three water filling channels (12) that inside is connected, the operating side of the balloon catheter device (1) be provided with respectively with water filling channel
(12) internal three water filling connectors (7) being connected, water filling connector (7) are arranged far from the one end of balloon catheter device (1)
The closeouts of connector (7) closure will be filled the water by having.
3. a kind of positioning fenestration device of overlay film frame according to claim 1, it is characterised in that: the foley's tube dress
That sets (1) is internally provided with seal wire perforation (13).
4. a kind of positioning fenestration device of overlay film frame according to claim 3, it is characterised in that: the foley's tube dress
The outside for setting the operating side of (1) is provided with the threaded connecting sleeve (9) being made of hard material, spiral shell on the threaded connecting sleeve (9)
Line is connected with turncap (8).
5. a kind of positioning fenestration device of overlay film frame according to claim 1, it is characterised in that: the foley's tube dress
The operating side for setting (1) is provided with the connector of threading a needle (3) being connected with channel of threading a needle (11), and the inner hole of the connector of threading a needle (3) is remote
One end from balloon catheter device (1) is conical opening.
6. a kind of positioning fenestration device of overlay film frame according to claim 1, it is characterised in that: the channel of threading a needle
(11) include be provided with along the axial direction of balloon catheter device (1) penetrate section (111) and to balloon catheter device (1) outside
The inclined export section (112) of side direction, the export section (112) are connected by curved channel (113) with penetrating between section (111)
It is logical.
7. a kind of positioning fenestration device of overlay film frame according to claim 1, it is characterised in that: first sacculus
(4), the second sacculus (5) and third sacculus (6) are adhesively fixed with balloon catheter device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572015.8A CN110169845A (en) | 2019-06-28 | 2019-06-28 | A kind of positioning fenestration device of overlay film frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572015.8A CN110169845A (en) | 2019-06-28 | 2019-06-28 | A kind of positioning fenestration device of overlay film frame |
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| CN110169845A true CN110169845A (en) | 2019-08-27 |
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ID=67699392
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| CN201910572015.8A Pending CN110169845A (en) | 2019-06-28 | 2019-06-28 | A kind of positioning fenestration device of overlay film frame |
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| CN105902326A (en) * | 2016-06-29 | 2016-08-31 | 黄连军 | Windowing method and device of covered stent |
| CN106963516A (en) * | 2017-03-23 | 2017-07-21 | 杭州唯强医疗科技有限公司 | Intracavitary orthotopic fenestration sting device |
| CN108392717A (en) * | 2018-04-27 | 2018-08-14 | 武汉佑康科技有限公司 | A kind of visual puncturing movement balloon-system |
| CN109223135A (en) * | 2018-11-14 | 2019-01-18 | 无锡市人民医院 | Guiding sheath group and catheter sheath in aorta |
| CN109846583A (en) * | 2019-03-27 | 2019-06-07 | 吴忠隐 | A kind of aortic stents window controlling system |
| CN210697901U (en) * | 2019-06-28 | 2020-06-09 | 北京大学第三医院（北京大学第三临床医学院） | Positioning windowing device for covered stent |
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