CN203763157U - Bronchus plugging device - Google Patents
Bronchus plugging device Download PDFInfo
- Publication number
- CN203763157U CN203763157U CN201420063578.7U CN201420063578U CN203763157U CN 203763157 U CN203763157 U CN 203763157U CN 201420063578 U CN201420063578 U CN 201420063578U CN 203763157 U CN203763157 U CN 203763157U
- Authority
- CN
- China
- Prior art keywords
- nickel
- titanium alloy
- alloy support
- utility
- nick
- 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.)
- Expired - Lifetime
Links
- 210000000621 bronchi Anatomy 0.000 title abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 23
- 239000000956 alloy Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910001000 nickel titanium Inorganic materials 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 230000003902 lesion Effects 0.000 abstract description 3
- -1 polytetrafluoroethylene Polymers 0.000 abstract 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 2
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 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 2
- 201000003144 pneumothorax Diseases 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 208000007026 Bronchial fistula Diseases 0.000 description 1
- 241000197194 Bulla Species 0.000 description 1
- 206010014568 Empyema Diseases 0.000 description 1
- 206010016654 Fibrosis Diseases 0.000 description 1
- 208000000616 Hemoptysis Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002352 blister Diseases 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 210000003281 pleural cavity Anatomy 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Prostheses (AREA)
Abstract
The utility model provides a bronchus plugging device which comprises a nickel-titanium alloy support. The nickel-titanium alloy support is cylindrical and the outer circumferential surface of the nickel-titanium alloy support is of a ripple shape in the axial direction. The nickel-titanium alloy support is provided with radial polytetrafluoroethylene fiber films in the radial direction, the nickel-titanium alloy support is divided into a left end portion and a right end portion, and the left end portion is connected with the right end portion through a torsion portion. Preferably, the radial polytetrafluoroethylene fiber films are three in number. The bronchus plugging device is of a nickel-titanium alloy mesh structure, the nickel-titanium alloy support is cylindrical and the outer circumferential surface of the nickel-titanium alloy support is of the ripple shape, the nickel-titanium alloy support can be stretched out and drawn back according to requirements, the attached area of the nickel-titanium alloy support and the bronchus wall is increased due to the effect of the ripple shape, and falling off can be effectively prevented. The bronchus plugging device can be twisted according to the shape of the bronchus in operation, and effectiveness that the product is implanted into the lesion portion is guaranteed.
Description
Technical field
This utility model relates to a kind of armarium, relates in particular to a kind of bronchial occlusive device.
Background technology
The diseases such as the bronchial fistula that causes due to a variety of causes such as operation, wound, infection, refractory pneumothorax, bulla, the large hemoptysis of mortality are puzzlement clinician's difficult and complicated illness always, particularly for some advanced ages or the poor patient of cardio-pulmonary function, traditional surgery Operative risk is large, and effect is also not fully up to expectations; If but effectively treat not in time, its consequence is the infection that causes pleural space, even forms empyema.The method of existing these diseases for the treatment of is bronchus shutoff treatments, and the cardinal principle of this method is by the shutoff target bronchial region pulmonary collapse, or forms local kitchen range fibrosis, thereby reaches functional lung excision.
The patent No. is that the Chinese patent of ZL 200920126408.8 discloses a kind of bronchial occlusion device, comprise revolving body net grid support and fexible film, described fexible film cover continuously and on network bracket surface and one end section portion form the rotary structure of one end sealing, and described net grid support is columnar structured.This patent can be treated for bronchus shutoff, but supporting structure is wherein immutable, can not adjust according to actual service condition, so there is in use certain limitation, and because its for outer wall be smooth cylindrical tube shape, so easily come off, therefore, need a kind of more desirable bronchial occlusive device in the time that reality is used.
Utility model content
It is a kind of simple in structure that the technical problems to be solved in the utility model is to provide, and the bronchial occlusive device of difficult drop-off when use, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, this utility model adopts following technical scheme: a kind of bronchial occlusive device, comprise nick-eltitanium alloy stent, described nick-eltitanium alloy stent is cylindrical and its outer circumference surface is ripple type vertically, in described nick-eltitanium alloy stent, be provided with polytetrafluoroethylfiber fiber film radially, described nick-eltitanium alloy stent is divided into left part and right part, between described left part and right part, is connected by torsional part.
Preferably, described polytetrafluoroethylfiber fiber film is provided with three layers.
Preferably, described nick-eltitanium alloy stent is netted.
Further, on the left part of described nick-eltitanium alloy stent and right part, be respectively equipped with left port and right output port, in described left port and right output port, be equipped with rustless steel sealing sleeve.
Further, the rustless steel sealing sleeve in described right output port is provided with female thread.
Further, in described right output port, be also provided with draw ring.
Preferably, described left part and right part are provided with respectively three sections of ripples.
As mentioned above, a kind of bronchial occlusive device of this utility model, has following beneficial effect:
This utility model is Nitinol web frame, and it is shaped as cylindrical and outer circumference surface is ripple type, can stretch as required, and because the effect of ripple type, the fitting area that has increased nick-eltitanium alloy stent and bronchial wall, more firm, effectively prevent from coming off; Left part in this utility model is connected by middle torsional part with right part, in the time of operation, can realize and reversing according to bronchial shape, has ensured the effectiveness of product implantation pathological changes portion.
Brief description of the drawings
Fig. 1 is this utility model front view.
Fig. 2 is this utility model structure chart.
Fig. 3 is this utility model using method simplified schematic diagram.
in figure: 1 nick-eltitanium alloy stent, 11 left parts, 12 right parts, 13 torsional parts,
14 draw rings, 2 polytetrafluoroethylfiber fiber films, 31 sealing sleeves, 32 sealing sleeves, 321 female threads, 4 sheath pipes, 5 pushers
Detailed description of the invention
Structure that Figure of description illustrates, ratio, size etc., all contents in order to coordinate description to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of this utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that this utility model can produce and the object that can reach, all should still drop in the scope that technology contents that this utility model discloses can contain.Simultaneously, in this description, quote as " on ", the term such as D score, 'fornt', 'back', " centre ", also only for ease of understanding of narrating, but not in order to limit the enforceable scope of this utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of this utility model without essence.
Be a kind of bronchial occlusive device as depicted in figs. 1 and 2, comprise nick-eltitanium alloy stent 1, described nick-eltitanium alloy stent 1 is cylindrical and its outer circumference surface is ripple type vertically, in described nick-eltitanium alloy stent 1, be provided with polytetrafluoroethylfiber fiber film 2 radially, described polytetrafluoroethylfiber fiber film 2 is arranged in nick-eltitanium alloy stent 1 by suture, and the area coverage of described polytetrafluoroethylfiber fiber film 2 is that the maximum outside diameter of nick-eltitanium alloy stent 1 is to play the effect of choked flow.The thickness of described polytetrafluoroethylfiber fiber film 2 is 0.04~0.06mm in the present embodiment, and wherein most preferably thickness is 0.05mm, and not only quality is light but also process lot of experiments draws it is also ideal material to adopt polytetrafluoroethylfiber fiber film 2; In the present embodiment, preferably, described polytetrafluoroethylfiber fiber film 2 is provided with three layers, to ensure resistance flowing effect.Nick-eltitanium alloy stent 1 described in this utility model is divided into left part 11 and right part 12, between described left part 11 and right part 12, is connected by torsional part 13.The effect of described torsional part 13 is to make left part 11 and right part 12 to produce certain relative swing, and in the time of operation, running into bending bronchus part can easily reverse, very practical.
Nick-eltitanium alloy stent 1 described in this utility model is netted, adopt network structure not only to save material, main is to be convenient to activity, advantage of this utility model can be stretched exactly, because the excircle of nick-eltitanium alloy stent 1 is corrugated, and is again network structure, so can conveniently stretch and shrink, by stretching and shrinking the size that can adjust its external diameter, be applicable to the inner bronchial wall diameter of different size, practicality is very good.
In the present embodiment, on the left part 11 of described nick-eltitanium alloy stent 1 and right part 12, be respectively equipped with left port and right output port, in described left port and right output port, be equipped with rustless steel sealing sleeve 31,32.This utility model is to adopt overall Nitinol web frame, and its two ends are by 31,32 sealings of described rustless steel sealing sleeve, and processing is simple.
Shown in Fig. 1-Fig. 3, this utility model is automatic expansion molding, first be pre-formed as strip man-hour adding, and need to form the position processing folding line of ripple, process the rear constraint maintenance strips such as bar shaped container of using to save space, in the time using this utility model, after constraint relief, this utility model can be according to the shape automatic expansion molding of folding line.Using method of the present utility model is: the sheath pipe 4 using during first with operation extend into bronchial diseased region in advance, then with pusher 5, this utility model is stretched into from one end of sheath pipe 4 and stretch out and push to bronchial lesion locations from the other end.In the present embodiment for convenience pushes and facilitate control, rustless steel sealing sleeve 32 in described right output port is provided with female thread 321, when installation, be connected this utility model is stretched into from one end of sheath pipe 4 with pusher 5 by female thread 321, can automatic expansion in the time that this utility model stretches out from sheath pipe 4 other ends open and be supported on lesion locations, rotate while being supported in bronchus and exit pusher 5 when this utility model stretches out completely from sheath pipe 4.Further, in described right output port, be also provided with draw ring 14.In the time that needs take out this utility model, if also use pusher 5 to be connected and also to need to align with female thread 321, not easily, thus a draw ring 14 is set, can be directly by taking-ups such as medical mouse tooth forcepss.
Left part 11 described in the present embodiment and right part 12 are respectively equipped with three sections of ripples, through testing and verification, left part 11 and right part 12 1 have six sections of ripples and can meet well product and implant bronchial needs, can effectively increase and the fitting area of inner bronchial wall, avoid product implanting the displacement after discharging and coming off.
In sum, a kind of bronchial occlusive device of this utility model, can solve the problem easily coming off from bronchus while use.So, have very high value and use meaning thereby this utility model has effectively overcome practical problems more of the prior art.
Above-mentioned embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting this utility model.This utility model also has many aspects under the prerequisite without prejudice to overall thought, to improve, and all can, under spirit of the present utility model and category, can above-described embodiment be modified or be changed for person skilled in the art scholar.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that this utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (8)
1. a bronchial occlusive device, comprise nick-eltitanium alloy stent (1), it is characterized in that: described nick-eltitanium alloy stent (1) is cylindrical and its outer circumference surface is ripple type vertically, in described nick-eltitanium alloy stent (1), be provided with polytetrafluoroethylfiber fiber film (2) radially, described nick-eltitanium alloy stent (1) is divided into left part (11) and right part (12), between described left part (11) and right part (12), is connected by torsional part (13).
2. a kind of bronchial occlusive device according to claim 1, is characterized in that: described polytetrafluoroethylfiber fiber film (2) is provided with three layers.
3. a kind of bronchial occlusive device according to claim 1, is characterized in that: described nick-eltitanium alloy stent (1) is for netted.
4. a kind of bronchial occlusive device according to claim 3, it is characterized in that: on the left part (11) of described nick-eltitanium alloy stent (1) and right part (12), be respectively equipped with left port and right output port, in described left port and right output port, be equipped with rustless steel sealing sleeve (31,32).
5. a kind of bronchial occlusive device according to claim 4, is characterized in that: the rustless steel sealing sleeve (32) in described right output port is provided with female thread (321).
6. a kind of bronchial occlusive device according to claim 4, is characterized in that: in described right output port, be also provided with draw ring (14).
7. a kind of bronchial occlusive device according to claim 1, is characterized in that: described left part (11) and right part (12) are respectively equipped with three sections of ripples.
8. a kind of bronchial occlusive device according to claim 1, is characterized in that: the thickness of described polytetrafluoroethylfiber fiber film (2) is 0.04~0.06mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420063578.7U CN203763157U (en) | 2014-02-12 | 2014-02-12 | Bronchus plugging device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420063578.7U CN203763157U (en) | 2014-02-12 | 2014-02-12 | Bronchus plugging device |
Publications (1)
Publication Number | Publication Date |
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CN203763157U true CN203763157U (en) | 2014-08-13 |
Family
ID=51280415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420063578.7U Expired - Lifetime CN203763157U (en) | 2014-02-12 | 2014-02-12 | Bronchus plugging device |
Country Status (1)
Country | Link |
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CN (1) | CN203763157U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108143447A (en) * | 2017-12-26 | 2018-06-12 | 许尚栋 | A kind of dissection of aorta distal end cut plugging device |
WO2021129667A1 (en) * | 2019-12-23 | 2021-07-01 | 杭州唯强医疗科技有限公司 | Intracavitary occluder |
CN113456155A (en) * | 2021-07-20 | 2021-10-01 | 南昌大学第一附属医院 | Novel visual bronchus plugging device |
-
2014
- 2014-02-12 CN CN201420063578.7U patent/CN203763157U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108143447A (en) * | 2017-12-26 | 2018-06-12 | 许尚栋 | A kind of dissection of aorta distal end cut plugging device |
WO2021129667A1 (en) * | 2019-12-23 | 2021-07-01 | 杭州唯强医疗科技有限公司 | Intracavitary occluder |
CN113456155A (en) * | 2021-07-20 | 2021-10-01 | 南昌大学第一附属医院 | Novel visual bronchus plugging device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140813 |