CN2812870Y - Bifurcated blood support - Google Patents
Bifurcated blood support Download PDFInfo
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- CN2812870Y CN2812870Y CNU2005201123113U CN200520112311U CN2812870Y CN 2812870 Y CN2812870 Y CN 2812870Y CN U2005201123113 U CNU2005201123113 U CN U2005201123113U CN 200520112311 U CN200520112311 U CN 200520112311U CN 2812870 Y CN2812870 Y CN 2812870Y
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Abstract
The utility model relates to a divarication blood vessel stent for the therapy of pathological change of a blood vessel divarication position. The utility model is composed of a distending and support part and a covering part, the distending and support part is connected with the covering part, the distending and support part is positioned in a branch blood vessel, and the covering part is positioned on a connecting position of a main blood vessel and the branch blood vessel. An integral structure is formed by connecting structure units of the distending and support part and the covering part in a smooth exceeding mode, the structure units of the distending and support part and the covering part present different shapes, the distending and support part is used for distending and supporting the branch blood vessel, and the covering part is used for covering the pathological change of an opening position of the branch blood vessel. During the course of transportation, before the covering part is opened, the structure units of the covering part are mutually restricted in the radical direction and can not be separated, and the safety of the course of the transportation is ensured. After the coveting part is opened, the structure units of the covering part can be mutually separated along the radical direction, and the pathological change of the opening position of the branch blood vessel is efficiently covered. The utility model has the advantages that the design is reasonable, the assembly of the structure units of the distending and support part and the covering part are various, and the therapy effect is good, and the utility model is mainly used for the therapy of the pathological change of various blood vessel divarication positions.
Description
Technical field
This utility model belongs to and imposes on the intravital instrument field of flesh, relates to a kind of bifurcated vessels support that is applied to vascular bifurcation position lesions treatment.
Background technology
At present, known intravascular stent mostly is head and the tail evenly, the overall structure of shape unanimity, the intravascular stent of this structure is confined to the treatment of single vessel disease, for the common pathological changes c that occurs in main blood vessel a and branch vessel b bifurcation, as shown in Figure 1, then can't be fully, cover effectively.
Summary of the invention
The purpose of this utility model is to overcome existing intravascular stent can't effectively treat the deficiency of vascular bifurcation position pathological changes, and a kind of bifurcated vessels support is provided, and can cover the pathological changes at vascular bifurcation position well, thereby reach excellent curative.
The technical solution adopted in the utility model: a kind of bifurcated vessels support, constitute by expansion support section and cover part, described expansion support section is connected with the cover part, and the expansion support section is positioned at branch vessel, and the cover part is positioned at the position that main blood vessel is connected with branch vessel.
Described cover part is made of the table structure unit, be irregular curve shape, the stem branch and the portion shape of each construction unit are inconsistent, one side of portion is provided with the T-shape projection, opposite side corresponding position with it is provided with the T-shape groove, convex-concave structure matches and forms the T-shape hasp, and the snapping place of T-shape projection and T-shape groove is in-line, circle, ellipse; Before opened described cover part, by the fastening each other of T-shape hasp, after opening, each construction unit was in the radially radioactivity expansion of branch vessel opening part between each construction unit.
Described expansion support section selects for use straight line to connect network or curve connects network, each construction unit of cover part is irregular curve shape, stem branch and portion shape are inconsistent, the stem branch of each construction unit is connected with each other, and portion is by the fastening or separately each other of T-shape hasp.
Described expansion support section selects for use straight line to connect network, the stem branch and the portion shape of each construction unit of cover part are inconsistent, the middle part is uniform rectilinear form, the stem branch of each construction unit is connected with each other, portion is separated from each other, and wraps the thin film external force constraint by the conduit of carrying sacculus.
Described expansion support section selects for use curve to connect network, each construction unit of cover part is irregular curve shape, stem branch and portion shape are inconsistent, the stem branch of each construction unit is connected with each other, portion is separated from each other, and wraps the thin film external force constraint by the conduit of carrying sacculus.
Described expansion support section selects for use curve to connect network, and the cover part is irregular curve and is staggered, and the stem of curve divides shape inconsistent, be connected with each other, the portion shape unanimity of curve is separated from each other, and wraps the thin film external force constraint by the conduit of carrying sacculus.
Described expansion support section and cover part rounding off connect and compose overall structure, and two parts join and are the horn mouth conical surface or cambered surface.
Bifurcated stent of the present utility model is supported and is covered the two-part structure unit and constitutes by variform expansion, the expansion support section is used for expansion and supports branch vessel, the cover part is used to cover branch vessel opening pathological changes, before in course of conveying, opening, constraint each other diametrically can not separate between the construction unit of cover part, guarantees the safety of course of conveying, can be radially separated from one another after opening, cover the pathological changes of branch vessel opening effectively; This utility model is reasonable in design, and it is various that two-part structure unit assembly is supported and covered in expansion, and therapeutic effect is good, is mainly used in the treatment of various vascular bifurcations position pathological changes.
Description of drawings
Fig. 1 is a vascular bifurcation position pathological changes sketch map;
Fig. 2 is this utility model structural representation;
Fig. 3 is an A-A cutaway view among Fig. 2;
Fig. 4 is a construction unit sketch map of the present utility model;
Fig. 5 is one of construction unit hasp structure sketch map of the present utility model;
Fig. 6 is two of a construction unit hasp structure sketch map of the present utility model;
Fig. 7 is three of a construction unit hasp structure sketch map of the present utility model;
Fig. 8 is one of this utility model deployed configuration sketch map;
Fig. 9 is two of this utility model deployed configuration sketch map;
Figure 10 is three of this utility model deployed configuration sketch map;
Figure 11 is four of this utility model deployed configuration sketch map;
Figure 12 is five of this utility model deployed configuration sketch map.
Mainly number among the figure: expansion support section 1, cover part 2, main blood vessel 3, branch vessel 4
The specific embodiment
Consult Fig. 2, shown in Figure 3, a kind of bifurcated vessels support, constitute by expansion support section 1 and cover part 2 two parts, its expansion support section 1 is the prior art supporting structure, select the support of the arbitrary structures that can finish expansion and support blood vessels effect for use, expansion support section 1 is even cylindric overall structure, be positioned at branch vessel 4, be used for expansion and support branch vessel 4, cover part 2 is positioned at the connecting portion of main blood vessel 3 and branch vessel 4, be used to cover branch vessel opening pathological changes, cover part 2 is made of the construction unit 201 of some, each construction unit 201 connects the cylindric overall structure of formation, its diameter with expansion support section 1 rounding off, ratio between length and two parts determines that according to the blood vessel situation of treatment two parts join and can be the horn mouth conical surface or cambered surface rounding off; Before opened described cover part 2, constraint each other between its construction unit 201 diametrically can delamination, and purpose is to guarantee in the course of conveying safely, unimpeded, avoids scratching blood vessel; In cover part 2 by dilating sacculus or after adopting the self-expanding mode to carry to open, constrained disappears, become separated from one another diametrically, have no to involve, the independent structures unit 201 separately, simultaneously, each construction unit 201 covers the opening bifurcation of branch vessel 4 effectively in the radially radioactivity expansion of branch vessel 4 opening parts.
The optional usefulness of this utility model has the material of excellent biological compatibility and support force, as multiple metal material or degradable or nondegradable macromolecular materials etc. such as 316L medical stainless steel, nickel-base alloy, cobalt-base alloys, marmems; Described expansion support section 1, cover part 2 two sections of material can be identical, also can be different.According to the difference of material, can select processing modes such as laser engraving or braiding.
Consult Fig. 4, shown in Figure 5, described cover part 2 is irregular curve shape, the stem of each construction unit 201 divide 2013 and portion 2014 shapes inconsistent, one side of portion 2014 is provided with T-shape projection 2011, opposite side corresponding position with it is provided with T-shape groove 2012, convex-concave structure matches and forms the T-shape hasp, make it before expansion is opened, to pass through between each construction unit 201 fastening each other of T-shape hasp, after expansion is opened, radially produce each other and separate not constraint.
Consult Fig. 6, shown in Figure 7 simultaneously, the T-shape projection 2011 of described portion 2014 and the snapping place of groove 2012 can be in-line, circle, ellipse.
Below provide several preferred embodiments of expansion support section 1 and cover part 2 draw bails, accompanying drawing is to launch plane graph along axis.
Consult shown in Figure 8, described expansion support section 1 is selected a kind of of existing supporting structure for use, connect network 101 as straight line, for even from beginning to end, the overall structure of shape unanimity, each construction unit 201 of cover part 2 is irregular curve shape, the stem of each construction unit 201 divide 2013 and portion 2014 shapes inconsistent, and the stem of each construction unit 201 divides 2013 to be connected with each other, portion 2014 is by the fastening and separately each other of T-shape hasp, be the constraint of self structure unit, same Fig. 4, Fig. 5 are described.
Consult shown in Figure 9ly, described expansion support section 1 is selected a kind of of existing supporting structure for use, connects network 102 as curve, and cover part 2 structures are described with Fig. 8.
Consult shown in Figure 10, described expansion support section 1 selects for use Fig. 8 cathetus to connect network 101, the stem of each construction unit 202 of cover part 2 divide 2021 and portion 2022 shapes inconsistent, the middle part is uniform rectilinear form, the stem of each construction unit 202 divides 2021 to be connected with each other, portion 2022 is separated from each other, by external force constraint, as adopting modes such as wrapping thin film on the conduit of carrying sacculus.
Consult shown in Figure 11, described expansion support section 1 is selected curve connection network 102 among Fig. 9 for use, each construction unit 203 of cover part 2 is irregular curve shape, the stem of each construction unit 203 divide 2031 and portion 2032 shapes inconsistent, the stem of each construction unit 203 divides 2031 to be connected with each other, and portion 2032 is separated from each other, no hasp, by external force constraint, as adopting modes such as on the conduit of carrying sacculus, wrapping thin film.
Consult shown in Figure 12, described expansion support section 1 is selected curve connection network 102 among Fig. 9 for use, cover part 2 head and the tail shapes are inconsistent, being irregular curve 203 and curve 204 is staggered, the stem of curve 203 divide 2031 and the stem of curve 204 divide 2041 shapes inconsistent, but be connected with each other, portion 2042 shapes of the portion 2032 of curve 203 and curve 204 are consistent, be separated from each other, no hasp, by external force constraint, as adopting modes such as on the conduit of carrying sacculus, wrapping thin film.
In sum, each construction unit 201,202,203,204 of this utility model cover part 2 can identical assembly, also can different assembly, its stem divides 2013,2021,2031,2041 to be connected with each other, portion 2014,2022,2032,2042 is separated from each other, can be provided with hasp, or not have hasp; Described expansion support section 1 and cover part 2 assembly arbitrarily are not subjected to the restriction of above-mentioned all draw bails.
Claims (7)
1. bifurcated vessels support, constitute by expansion support section and cover part, it is characterized in that described expansion support section (1) is connected with cover part (2), expansion support section (1) is positioned at branch vessel (4), and cover part (2) are positioned at the position that main blood vessel (3) is connected with branch vessel (4).
2. bifurcated vessels support according to claim 1, it is characterized in that described cover part (2) is made of table structure unit (201), be irregular curve shape, the stem branch (2013) and portion (2014) shape of each construction unit (201) are inconsistent, one side of portion (2014) is provided with T-shape projection (2011), opposite side corresponding position with it is provided with T-shape groove (2012), convex-concave structure matches and forms the T-shape hasp, and the snapping place of T-shape projection (2011) and T-shape groove (2012) is in-line, circular, oval; Before opened described cover part (2), by the fastening each other of T-shape hasp, after opening, each construction unit (201) was in the radially radioactivity expansion of branch vessel (4) opening part between each construction unit (201).
3. bifurcated vessels support according to claim 1 and 2, it is characterized in that described expansion support section (1) selects for use straight line to connect network (101) or curve connects network (102), each construction unit (201) of cover part (2) is irregular curve shape, stem branch (2013) and portion (2014) shape are inconsistent, the stem branch (2013) of each construction unit (201) is connected with each other, and portion (2014) is by the fastening or separately each other of T-shape hasp.
4. bifurcated vessels support according to claim 1, it is characterized in that described expansion support section (1) selects for use straight line to connect network (101), the stem branch (2021) and portion (2022) shape of each construction unit (202) of cover part (2) are inconsistent, the middle part is uniform rectilinear form, the stem branch (2021) of each construction unit (202) is connected with each other, portion (2022) is separated from each other, and wraps the thin film external force constraint by the conduit of carrying sacculus.
5. bifurcated vessels support according to claim 1, it is characterized in that described expansion support section (1) selects for use curve to connect network (102), each construction unit (203) of cover part (2) is irregular curve shape, stem branch (2031) and portion (2032) shape are inconsistent, the stem branch (2031) of each construction unit (203) is connected with each other, portion (2032) is separated from each other, and wraps the thin film external force constraint by the conduit of carrying sacculus.
6. bifurcated vessels support according to claim 1, it is characterized in that described expansion support section (1) selects for use curve to connect network (102), cover part (2) is irregular curve (203), (204) are staggered, stem branch (2041) shape of the stem branch (2031) of curve (203) and curve (204) is inconsistent, be connected with each other, portion (2042) shape of the portion (2032) of curve (203) and curve (204) is consistent, be separated from each other, wrap the thin film external force constraint by the conduit of carrying sacculus.
7. bifurcated vessels support according to claim 1 is characterized in that described expansion support section (1) and cover part (2) rounding off connect and compose overall structure, and two parts join and are the horn mouth conical surface or cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201123113U CN2812870Y (en) | 2005-07-06 | 2005-07-06 | Bifurcated blood support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201123113U CN2812870Y (en) | 2005-07-06 | 2005-07-06 | Bifurcated blood support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2812870Y true CN2812870Y (en) | 2006-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201123113U Expired - Lifetime CN2812870Y (en) | 2005-07-06 | 2005-07-06 | Bifurcated blood support |
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| CN (1) | CN2812870Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476359A (en) * | 2011-04-19 | 2013-12-25 | 美敦力瓦斯科尔勒公司 | Mobile external coupling for branch vessel connection |
| CN105726179A (en) * | 2016-05-16 | 2016-07-06 | 南京医科大学第一附属医院 | Te-type side branch double-balloon stent system for bifurcation lesion interventional therapy |
| CN105769401A (en) * | 2016-04-28 | 2016-07-20 | 南京医科大学第附属医院 | Special-shaped side branch balloon stent system for bifurcation lesion interventional therapy |
| CN107951603A (en) * | 2017-12-18 | 2018-04-24 | 上海脉全医疗器械有限公司 | A kind of biodegradable stent system for crotch branch vessel |
-
2005
- 2005-07-06 CN CNU2005201123113U patent/CN2812870Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476359A (en) * | 2011-04-19 | 2013-12-25 | 美敦力瓦斯科尔勒公司 | Mobile external coupling for branch vessel connection |
| CN105769401A (en) * | 2016-04-28 | 2016-07-20 | 南京医科大学第附属医院 | Special-shaped side branch balloon stent system for bifurcation lesion interventional therapy |
| CN105726179A (en) * | 2016-05-16 | 2016-07-06 | 南京医科大学第一附属医院 | Te-type side branch double-balloon stent system for bifurcation lesion interventional therapy |
| CN107951603A (en) * | 2017-12-18 | 2018-04-24 | 上海脉全医疗器械有限公司 | A kind of biodegradable stent system for crotch branch vessel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LE PU (BEIJING) MEDICAL DEVICES CO. Free format text: FORMER NAME OR ADDRESS: BEIJING YUEPU MEDICAL APPARATUS CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: Beijing City, Changping science and Technology Park Bai Fu Road 10 Beikong 3 storey building, zip code: 102200 Patentee after: Lepu (Beijing) Medical Instrument Co., Ltd. Address before: Beijing City, Changping science and Technology Park Bai Fu Road 10 Beikong 3 storey building, zip code: 102200 Patentee before: Beijing Lepu Medical Device Co., Ltd. |
|
| CX01 | Expiry of patent term |
Expiration termination date: 20150706 Granted publication date: 20060906 |
|
| EXPY | Termination of patent right or utility model |