CN201213855Y - Tubular bracket for cavity channel - Google Patents
Tubular bracket for cavity channel Download PDFInfo
- Publication number
- CN201213855Y CN201213855Y CN 200820036484 CN200820036484U CN201213855Y CN 201213855 Y CN201213855 Y CN 201213855Y CN 200820036484 CN200820036484 CN 200820036484 CN 200820036484 U CN200820036484 U CN 200820036484U CN 201213855 Y CN201213855 Y CN 201213855Y
- Authority
- CN
- China
- Prior art keywords
- sinusoidal wave
- circular basic
- basic structure
- tubular bracket
- tract
- 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
Images
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to a tubular bracket for a cavity. The tubular bracket is formed by etching a metal tube, has a tubular netlike structure, and consists of a plurality of sinusoidal waveform circular basic structures (1) distributed along the axial direction of the bracket; crests of sine waves are opposite between each two adjacent sinusoidal waveform circular basic structures (1) and are connected through a connector (2) the two sides of which are of omega-shaped structures and are formed back to back, and connecting points (3) are selected at the crests of the sinusoidal waveform circular basic structures (1). The rib width (5) of the connector (2) is less than or equal to the rib width (4) of the sinusoidal waveform circular basic structures (1). The end part of the bracket in the cavity can be made into a horn mouth shape, the inner surface and the outer surface of the bracket can be covered with a metal film, an oxide film, a high molecular film or a slow release drug film. The metal tube for etching the bracket in the cavity can be made of nickel-titanium alloy, stainless steel, titanium alloy, pure metal tantalum or gold, and the like. The structure of the tubular bracket has the advantages of great radial deformation mass, large supporting force, stability, and the like.
Description
Technical field
This utility model relates to a kind of tract tubular bracket, is used to expand and support human lumen roads such as narrow blood vessel, esophagus, bile duct, intestinal or urethra, belongs to the technical field that medical device is made.
Background technology
Blood vessel embolism, the esophageal carcinoma, prostatic hyperplasia and Biliary Calculi are common tube chamber obstructive diseases in the life, can adopt the open operation treatment clinically, not only the operation technique difficulty is big, and there are some insoluble problems, many as complication, dangerous big, relapse rate is high, this just needs a kind of more easy, safe and effective procedure to solve above difficult point, and the intervention that utilizes inner support is a kind of efficient ways.Intracanal scaffold is a kind of apparatus commonly used, has different shape, and tubulose is modal.Existing body cavities mostly is latticed with inner support or the spiral filament, behind the implant into body, is used for expanding and supporting human lumen roads such as narrow blood vessel, esophagus, biliary tract, intestinal and urinary catheter, the releasing tract blocks, and keeps tract unimpeded, easy and simple to handle, curative effect is reliable, and complication is few.Yet, also there are some defectives in existing support, for example, non-blood vessel intracanal scaffold commonly used adopts a material braiding more, is the tubular mesh shape, and such support has the overlapping point of metal material, make the mobile performance variation of body fluid, thrombosed sign is arranged, and the junction point tear failure appearred in the radial support power deficiency of support and radial-deformation deficiency.Shortcomings such as intravascular stent commonly used also more exists the radial support power of support less, and structural stability is relatively poor.Therefore to the tube chamber road that satisfies requirements of operation with the design of tubular bracket be manufactured with further requirement.
Summary of the invention
Technical problem: goal of the invention of the present utility model just is to change the deficiency of the tract of present use with tubular bracket, and a kind of tract tubular bracket with tubulose network structure with advantages such as radially aximal deformation value and big support force, structural stability are good is provided.
Technical scheme: tract tubular bracket of the present utility model, be to form by the metal tube etching, network structure in a tubular form, this intracanal scaffold is made of the circular basic structure of a plurality of sinusoidal wave forms along its axial distribution, between every adjacent circular basic structure of two sinusoidal wave forms, sinusoidal wave crest is relative, and is " Ω " shape structure and the connector connection of composition back-to-back by both sides, and point of contact is selected on the crest of the circular basic structure of sinusoidal wave form.
Above-mentioned tract tubular bracket, it is characterized in that between every circular basic structure of adjacent two sinusoidal wave forms, both sides are " Ω " shape structure and the connector formed back-to-back is equidistant distribution, this spacing is the integral multiple of the sinusoidal wave wavelength of the circular basic structure of sinusoidal wave form, and this integer is 1 or 2 or 3 etc.The muscle width of connector should be less than or equal to the muscle width of the circular basic structure of sinusoidal wave form.
This utility model is when expansion that is used for the angiostenosis position and supporting role, its external diameter is 1～20mm, length overall is 5～150mm, wall thickness is 0.02～0.4mm, the number of the sine wave period of the circular basic structure of sinusoidal wave form is 6～36, its integral width is 0.5～10mm, and its muscle width is 0.06～0.6mm.
When the expansion of this utility model non-blood vessel tract narrow positions in being used for human body and supporting role, its external diameter is 6～25mm, length overall is 50～140mm, wall thickness is 0.1～0.5mm, the number of the sine wave period of the circular basic structure of sinusoidal wave form is 6～30, its integral width is 1.0～10mm, and its muscle width is 0.15～0.7mm.
Broadening formation can be made in this utility model end.Its surfaces externally and internally can cover metal film, oxidation film, polymeric membrane or slow releasing pharmaceutical film.The material of etching metal tube of the present invention can be Nitinol, rustless steel, titanium alloy and simple metal tantalum or gold etc., wherein, adopting the present invention of Nitinol pipe etching is the self-expanding cribbing, and adopting the present invention of stainless steel tube, titanium alloy tube, tantalum metal tube or golden metal tube etching is balloon expandable stent.
The utlity model has the circular basic structure of sinusoidal wave form, and be " Ω " shape structure and the connector formed back-to-back connects by both sides, the point of contact that 4 symmetrical distributions are arranged between each connector and the circular basic structure of sinusoidal wave form on every side, this just makes this support have good structural stability in operation installation and use, bigger radially aximal deformation value, big support force, and rack surface is smooth, structure continuously, the easy overlapping point of polishing, no metal material.
Description of drawings
Fig. 1 is the expansion sketch map of this utility model embodiment 1 support.
Fig. 2 is the expansion sketch map of this utility model embodiment 2 supports.
Fig. 3 is the expansion sketch map of this utility model embodiment 3 supports
Fig. 4 is a radial section sketch map of the present utility model.
Reference numeral wherein is: the circular basic structure of 1-sinusoidal wave form, the connector that 2-both sides are " Ω " shape structure and form back-to-back, 3-point of contact, the muscle width of the circular basic structure 1 of 4-sinusoidal wave form, the muscle width of 5-connector 2,6-sinusoidal wave wavelength, 7-sinusoidal wave amplitude, 8-integral width, spacing between the circular basic structure 1 of 9-adjacent two sinusoidal wave forms, the spacing between 10-connector 2, the external diameter of 11-support, the wall thickness of 12-support, the length overall of 13-support.
The specific embodiment
Below, with embodiment this utility model is further described in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of tract tubular bracket, be to form by superelastic nickel titanium alloy tube etching, network structure in a tubular form, this support is by constituting along the circular basic structure 1 of a plurality of sinusoidal wave forms of its axial distribution, and between every adjacent circular basic structure 1 of two sinusoidal wave forms, sinusoidal wave crest is relative, and being " Ω " shape structure and the connector 2 formed back-to-back connects by both sides, point of contact 3 is selected on the crest location of the circular basic structure 1 of sinusoidal wave form.Between every circular basic structure 1 of adjacent two sinusoidal wave forms, connector 2 is equidistant distribution, 3 times of the sinusoidal wave wavelength 6 that this spacing 10 is the circular basic structure 1 of sinusoidal wave form.The muscle width 5 of connector 2 equals the muscle width 4 of the circular basic structure 1 of sinusoidal wave form.
The external diameter 11 of present embodiment support is 1.78mm, length overall 13 is 20mm, wall thickness 12 is 0.1mm, spreading width is 5.22mm, the number of the sine wave period of the circular basic structure 1 of sinusoidal wave form is 6, its integral width 8 is 2mm, its muscle width 4 is 0.1mm, the sinusoidal wave amplitude 7 of the circular basic structure 1 of sinusoidal wave form is 1mm, its wavelength 6 is 0.87mm, spacing 9 between the circular basic structure 1 of adjacent two sinusoidal wave forms is 1.85mm, and the muscle width 5 of connector 2 is 0.1mm, and the spacing 10 between adjacent two connectors 2 is 2.61mm.
Present embodiment is a self-expanding formula blood vessel tubular bracket, during operation the present invention is constrained in the conduit, after being implanted to blood in human body in pipe narrow positions, remove about beam guide tube, the present invention is expanded voluntarily because of having good super-elasticity, play expansion and supporting role, reach therapeutic purposes narrow blood vessel.
Broadening formation also can be made in this intracanal scaffold end.This intracanal scaffold surfaces externally and internally also can cover metal film, oxidation film, polymeric membrane or slow releasing pharmaceutical film.The material of the metal tube of this intracanal scaffold of etching is rustless steel or titanium alloy or simple metal tantalum or gold also.
Referring to Fig. 2, blood in human body in tube chamber road tubular bracket, be to form by superelastic nickel titanium alloy tube etching, network structure in a tubular form, by constituting along the circular basic structure 1 of a plurality of sinusoidal wave forms of its axial distribution, between every adjacent circular basic structure 1 of two sinusoidal wave forms, sinusoidal wave crest is relative with tubular bracket for this tract, and being " Ω " shape structure and the connector 2 formed back-to-back connects by both sides, point of contact 3 is selected on the crest location of the circular basic structure 1 of sinusoidal wave form.Between every circular basic structure 1 of adjacent two sinusoidal wave forms, connector 2 is equidistant distribution, and this spacing 10 is 2.61mm, is 3 times of sinusoidal wave wavelength 6 of the circular basic structure 1 of sinusoidal wave form.The muscle width 5 of connector 2 equals the muscle width 4 of the circular basic structure 1 of sinusoidal wave form.Other structure of present embodiment is all identical with embodiment 1 with size characteristic, manufacture method.In the present embodiment, the both sides of connector 2 " Ω " shape structure is the another kind of variant of both sides " Ω " the shape structure of connector 2 among the embodiment 1, and other structure is all identical with embodiment 1 with size characteristic, manufacture method.
With reference to Fig. 3, the tract tubular bracket, be to form by superelastic nickel titanium alloy tube etching, network structure in a tubular form, by constituting along the circular basic structure 1 of a plurality of sinusoidal wave forms of its axial distribution, between every adjacent circular basic structure 1 of two sinusoidal wave forms, sinusoidal wave crest is relative with tubular bracket for this blood vessel, and being " Ω " shape structure and the connector 2 formed back-to-back connects by both sides, point of contact 3 is selected on the crest location of the circular basic structure 1 of sinusoidal wave form.Between every circular basic structure 1 of adjacent two sinusoidal wave forms, two edge-on " Ω " back-to-back shape connector 2 is equidistant distribution, and this spacing 10 is 2.61mm, is 3 times of sinusoidal wave wavelength 6 of the circular basic structure 1 of sinusoidal wave form.The muscle width 5 of connector 2 equals the muscle width 4 of the circular basic structure 1 of sinusoidal wave form.Other structure of present embodiment is all identical with embodiment 1 with size characteristic, manufacture method.In the present embodiment, the both sides of connector 2 " Ω " shape structure is the another kind of variant of both sides " Ω " the shape structure of connector 2 among embodiment 1 and the embodiment 2, and other structure is all identical with embodiment 1 with size characteristic, manufacture method.
Claims (8)
1, a kind of tract tubular bracket, form by the metal tube etching, network structure in a tubular form, it is characterized in that this tract is made of the circular basic structure of a plurality of sinusoidal wave forms (1) along its axial distribution with tubular bracket, between every adjacent circular basic structure of two sinusoidal wave forms (1), be " Ω " shape structure and connector (2) connection of composition back-to-back by both sides; The sinusoidal wave crest of every circular basic structures of adjacent two sinusoidal wave forms (1) is relative; The point of contact (3) of circular basic structure of sinusoidal wave form (1) and connector (2) is selected in the crest place of the circular basic structure of described sinusoidal wave form (1).
2, tract tubular bracket according to claim 1, it is characterized in that between every circular basic structures of adjacent two sinusoidal wave forms (1), connector (2) is equidistant distribution, and this spacing (10) is the integral multiple of the sinusoidal wave wavelength (6) of the circular basic structure of sinusoidal wave form (1).
3, tract tubular bracket according to claim 1 is characterized in that the muscle width (5) of connector (2) equals the muscle width (4) of the circular basic structure of sinusoidal wave form (1).
4, tract tubular bracket according to claim 1, when it is characterized in that this support is used for the expansion at angiostenosis position and supporting role, its external diameter (11) is 1～20mm, length overall (13) is 5～150mm, wall thickness (12) is 0.02～0.4mm, the number of the sine wave period of the circular basic structure of sinusoidal wave form (1) is 6～36, and its integral width (8) is 0.5～10mm, and its muscle width (4) is 0.06～0.6mm.
5, tract tubular bracket according to claim 1, when it is characterized in that this support is used for the expansion support of the non-blood vessel tract of human body narrow positions, its external diameter (11) is 6～25mm, length overall (13) is 50～140mm, wall thickness (12) is 0.1～0.5mm, the number of the sine wave period of the circular basic structure of sinusoidal wave form (1) is 6～30, and its integral width [8] is 1.0～10mm, and its muscle width (4) is 0.15～0.7mm.
6, tract tubular bracket according to claim 1 is characterized in that this intracanal scaffold end makes broadening formation.
7, tract tubular bracket according to claim 1 is characterized in that this intracanal scaffold surfaces externally and internally covers metal film, oxidation film, polymeric membrane or slow releasing pharmaceutical film.
8, tract tubular bracket according to claim 1, the material that it is characterized in that the metal tube of this intracanal scaffold of etching are Nitinol or rustless steel or titanium alloy or simple metal tantalum or gold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820036484 CN201213855Y (en) | 2008-06-11 | 2008-06-11 | Tubular bracket for cavity channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820036484 CN201213855Y (en) | 2008-06-11 | 2008-06-11 | Tubular bracket for cavity channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201213855Y true CN201213855Y (en) | 2009-04-01 |
Family
ID=40519065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820036484 Expired - Lifetime CN201213855Y (en) | 2008-06-11 | 2008-06-11 | Tubular bracket for cavity channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201213855Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525696A (en) * | 2011-12-06 | 2012-07-04 | 常熟市碧溪新城特种机械厂 | Medical metal bracket |
| CN106473847A (en) * | 2016-11-22 | 2017-03-08 | 曹庆杰 | The dilatancy local urinary tract intracavity stent system of degradable |
| CN113813092A (en) * | 2021-08-25 | 2021-12-21 | 巴特勒生物科技(苏州)有限公司 | Bracket system for intracranial artery |
-
2008
- 2008-06-11 CN CN 200820036484 patent/CN201213855Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525696A (en) * | 2011-12-06 | 2012-07-04 | 常熟市碧溪新城特种机械厂 | Medical metal bracket |
| CN106473847A (en) * | 2016-11-22 | 2017-03-08 | 曹庆杰 | The dilatancy local urinary tract intracavity stent system of degradable |
| CN113813092A (en) * | 2021-08-25 | 2021-12-21 | 巴特勒生物科技(苏州)有限公司 | Bracket system for intracranial artery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1640505A (en) | Sine-wave tubular medical interventional stent | |
| US9775728B2 (en) | Vascular bifurcation prosthesis | |
| US8257432B2 (en) | Vascular bifurcation prosthesis with at least one frond | |
| CN102525701B (en) | Absorbable blood vessel stent | |
| US20070142902A1 (en) | Stent with protruding branch portion for bifurcated vessels | |
| AU2003249001A1 (en) | Auxetic tubular liners | |
| CN105726174B (en) | A kind of intravascular stent, preparation method and application | |
| CN103316382A (en) | Protection-sleeve-carrying paclitaxel drug balloon and preparation method thereof | |
| CN203408130U (en) | Self-expansion carotid artery covered stent | |
| CN201213855Y (en) | Tubular bracket for cavity channel | |
| CN105596125A (en) | Pipe-network type intravascular stent formed by material of body absorbable zinc and zinc alloy thereof | |
| CN2788763Y (en) | Tubular support for blood vessel and non-blood vessel cavity in human body | |
| CN100577124C (en) | Human endoluminal stent with radial large deformation and large holding power | |
| CN202740162U (en) | Novel vessel rack | |
| CN100348281C (en) | Large-radical-support-force medical stent | |
| WO2009052703A1 (en) | Nested stent in body lumen | |
| CN203425069U (en) | Targeted drug delivery tube woven intravascular stent | |
| CN2917584Y (en) | Laser etching nickel-titanium alloy self-swelling type jumping-proof supporting stand | |
| CN2764323Y (en) | Medicinal inner support for human cavity | |
| CN2710576Y (en) | Laser curved 'quasi sine' tube type nickel titanium alloy support | |
| CN214208596U (en) | Balloon expanding type blood vessel stent | |
| CN103110465B (en) | Magnesium alloy coronary support frame | |
| CN201968866U (en) | Absorbable blood vessel support | |
| CN203763305U (en) | Coronary stent | |
| CN204411036U (en) | Intravascular stent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080611 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |