CN215019797U - Improve positioning accuracy's vascular support - Google Patents
Improve positioning accuracy's vascular support Download PDFInfo
- Publication number
- CN215019797U CN215019797U CN202120333809.1U CN202120333809U CN215019797U CN 215019797 U CN215019797 U CN 215019797U CN 202120333809 U CN202120333809 U CN 202120333809U CN 215019797 U CN215019797 U CN 215019797U
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- China
- Prior art keywords
- support
- limiting clamping
- positioning accuracy
- clamping block
- main part
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- 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 - Fee Related
Links
- 230000002792 vascular Effects 0.000 title claims description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 15
- 238000004873 anchoring Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 5
- 230000003902 lesion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002966 stenotic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses a blood vessel support for improving positioning accuracy, which comprises a support catheter, an expansion air bag and an anchoring air bag, wherein the expansion air bag and the anchoring air bag are arranged on the surface of the support catheter, the surface of the expansion air bag is sleeved with a support main body, both ends of the support main body are respectively provided with a limiting support mechanism, the limiting support mechanism comprises a plurality of L-shaped support pieces which are rotatably connected at the end part of the support main body, and the surface of the end part of the support main body is uniformly provided with a plurality of rotating gaps corresponding to the L-shaped support pieces; through setting up the spacing supporting mechanism who comprises L shape support piece, rotatory breach, end stay, first spacing fixture block, the spacing fixture block of second, first spacing draw-in groove and the spacing draw-in groove of second, can accomplish the installation back at the support main part and play good spacing supporting role to the support main part, prevent that the support main part from sending out the skew of position in subsequent use, improved the stability in use of support main part.
Description
Technical Field
The utility model belongs to the technical field of vascular support, concretely relates to improve positioning accuracy's vascular support.
Background
The intravascular stent is characterized in that an inner stent is placed in a lesion section on the basis of expansion forming of a lumen balloon so as to support a blood vessel at a stenotic occlusion section, reduce elastic retraction and reshaping of the blood vessel and keep blood flow of the lumen smooth.
Current vascular support is when using, when installing in the focus blood vessel through support pipe and expansion gasbag, because do not set up any spacing bearing structure on the current vascular support, lead to vascular support to take place the offset in the focus is endovascular easily in follow-up use to influence vascular support's stability in use, for this reason the utility model provides an improve positioning accuracy's vascular support.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve positioning accuracy's vascular support to solve the current vascular support that proposes in the above-mentioned background art when using, when installing in the focus blood vessel through support pipe and expansion gasbag, because do not set up any spacing bearing structure on the current vascular support, lead to vascular support to take place the offset in the focus is endovascular easily in follow-up use, thereby influence vascular support's stability in use problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improve positioning accuracy's intravascular stent, includes support pipe and sets up expansion gasbag and the anchoring sacculus on support pipe surface, the surface cover of expansion gasbag is equipped with the support main part, the both ends of support main part all are provided with spacing supporting mechanism, spacing supporting mechanism includes a plurality of swivelling joint L shape support piece at support main part tip, a plurality of rotatory breachs corresponding with L shape support piece have evenly been seted up to the tip surface of support main part, and L shape support piece's bottom swivelling joint is in the inboard of rotatory breach, L shape support piece's bottom is equipped with the end stay of integral type, the end stay strip is in the inboard of support main part, and the end stay strip hugs closely with the outer wall of expansion gasbag, be equipped with block mechanism between L shape support piece's bottom and the rotatory breach.
Preferably, a rotating shaft is fixed on the inner side of the rotating notch, and the bottom end of the L-shaped supporting piece is sleeved on the rotating shaft.
Preferably, the clamping mechanism comprises a first limiting clamping block and a second limiting clamping block which are respectively arranged on the surfaces of two sides of the bottom end of the L-shaped supporting piece, a first limiting clamping groove and a second limiting clamping groove are respectively formed in the inner walls of two sides of the rotating notch, the top end of the first limiting clamping block is clamped inside the first limiting clamping groove, and the top end of the second limiting clamping block is clamped inside the second limiting clamping groove.
Preferably, the cross sections of the first limiting clamping block and the second limiting clamping block are both in a right trapezoid shape, and the orientations of the first limiting clamping block and the second limiting clamping block are opposite.
Preferably, the two end surfaces of the expansion air bag are respectively provided with an integrated positioning ring, and the support main body is positioned between the two positioning rings.
Preferably, the top surface of the bottom stay is provided with an integrated bottom support, and the top end of the bottom support is in contact with the bottom surface of the L-shaped support.
Preferably, the top surface of the L-shaped supporting piece is uniformly provided with a plurality of integrated anti-skid protrusions, and the bottom surface of the bottom stay is uniformly provided with a plurality of anti-skid grooves.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through setting up the spacing supporting mechanism who comprises L shape support piece, rotatory breach, end stay, first spacing fixture block, the spacing fixture block of second, first spacing draw-in groove and the spacing draw-in groove of second, can accomplish the installation back at the support main part and play good spacing supporting role to the support main part, prevent that the support main part from sending out the skew of position in subsequent use, improved the stability in use of support main part.
2. Through the holding ring that sets up for the support main part can obtain the location under the effect of two holding rings when the installation, prevents the surface landing of support main part from expanding the gasbag, thereby has improved the positioning accuracy and the installation convenience of support main part, and through the non-skid protrusion that sets up, end support piece and anti-skidding groove, can further improve the stability in use of L shape support piece and end stay.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the area A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion of the area B in FIG. 2 according to the present invention;
FIG. 4 is a cross-sectional view of the junction of the L-shaped support member and the main body of the bracket of the present invention;
FIG. 5 is an enlarged view of a portion of the area C of FIG. 4 according to the present invention;
in the figure: 1. a stent catheter; 2. expanding the balloon; 3. a stent body; 4. an anchoring balloon; 5. a positioning ring; 6. an L-shaped support member; 7. a bottom support; 8. a bottom stay; 9. rotating the notch; 10. a first limiting clamping block; 11. anti-skid projections; 12. a rotating shaft; 13. a first limiting clamping groove; 14. a second limiting clamping block; 15. and a second limiting clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1 to 5, the present invention provides a technical solution: a blood vessel support for improving positioning accuracy comprises a support catheter 1, an expansion airbag 2 and an anchoring airbag 4, wherein the expansion airbag 2 and the anchoring airbag 4 are arranged on the surface of the support catheter 1, a support main body 3 is sleeved on the surface of the expansion airbag 2, limiting support mechanisms are arranged at two ends of the support main body 3 respectively, each limiting support mechanism comprises a plurality of L-shaped support members 6 rotatably connected to the end portions of the support main body 3, a plurality of rotating notches 9 corresponding to the L-shaped support members 6 are uniformly formed in the surface of the end portions of the support main body 3, the bottom ends of the L-shaped support members 6 are rotatably connected to the inner sides of the rotating notches 9, an integrated bottom bracing strip 8 is arranged at the bottom end of each L-shaped support member 6, the bottom bracing strip 8 is positioned at the inner side of the support main body 3, the bottom bracing strip 8 is tightly attached to the outer wall of the expansion airbag 2, a good limiting support effect can be achieved on the support main body 3 after the support main body 3 is installed, and the position of the support main body 3 is prevented from shifting in the subsequent use process, a clamping mechanism is arranged between the bottom end of the L-shaped support piece 6 and the rotary notch 9.
In this embodiment, preferably, a rotating shaft 12 is fixed inside the rotating notch 9, and the bottom end of the L-shaped supporting member 6 is sleeved on the rotating shaft 12, so that the L-shaped supporting member 6 can rotate smoothly.
In this embodiment, preferably, the clamping mechanism includes a first limiting clamping block 10 and a second limiting clamping block 14 which are respectively arranged on two side surfaces of the bottom end of the L-shaped support member 6, a first limiting clamping groove 13 and a second limiting clamping groove 15 are respectively formed in two side inner walls of the rotary notch 9, the top end of the first limiting clamping block 10 is clamped inside the first limiting clamping groove 13, the top end of the second limiting clamping block 14 is clamped inside the second limiting clamping groove 15, the cross sections of the first limiting clamping block 10 and the second limiting clamping block 14 are both in a right trapezoid shape, and the orientations of the first limiting clamping block 10 and the second limiting clamping block 14 are opposite, so that the clamping position can be obtained after the L-shaped support member 6 is rotationally supported.
In this embodiment, preferably, the two end surfaces of the expanding airbag 2 are both provided with the integrated positioning rings 5, and the stent body 3 is located between the two positioning rings 5, so that the stent body 3 can be positioned under the action of the two positioning rings 5 when being installed, and the stent body 3 is prevented from sliding off from the surface of the expanding airbag 2.
In this embodiment, preferably, the top surface of the bottom stay 8 is provided with an integrated bottom bracing piece 7, and the top end of the bottom bracing piece 7 is in contact with the bottom surface of the L-shaped support piece 6, so as to further improve the support stability of the L-shaped support piece 6.
In this embodiment, preferably, the top surface of the L-shaped support member 6 is uniformly provided with a plurality of integrated anti-slip protrusions 11, and the bottom surface of the bottom brace 8 is uniformly provided with a plurality of anti-slip grooves, so as to achieve a good anti-slip effect.
The utility model discloses a theory of operation and use flow: when in use, the stent main body 3 is sent into a lesion blood vessel through the stent catheter 1 and the expansion balloon 2, then the anchoring balloon 4 is expanded at the lesion position of a patient, so that the subsequent expansion balloon 2 can be blocked by the anchoring balloon 4 in the sending process, thereby improving the positioning precision of the expansion balloon 2 when being sent into the stent main body 3, then the expansion balloon 2 is expanded, so that the stent main body 3 is deformed and the inner wall of the blood vessel is expanded, the installation of the stent main body 3 is completed, the bottom support strip 8 is extruded when the expansion balloon 2 is expanded, so that the L-shaped support member 6 is gradually lifted until the first limiting fixture block 10 and the second limiting fixture block 14 are respectively positioned at the inner sides of the first limiting clamp groove 13 and the second limiting clamp groove 15, the expansion of the L-shaped support member 6 can be completed, so that the top end of the L-shaped support member 6 can be in close contact with the inner wall of the blood vessel, and the orientations of the L-shaped support members 6 at the two ends of the stent main body 3 are opposite, can play limiting displacement to support subject 3 under the effect of a plurality of L shape support piece 6, prevent that support subject 3 is follow-up the skew in position that takes place when using, improve stability in use, and locating ring 5 through setting up for support subject 3 can obtain the location under the effect of two locating rings 5 when the installation, prevents that support subject 3 from expanding gasbag 2's surperficial landing, thereby has improved support subject 3's positioning accuracy and installation convenience.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an improve positioning accuracy's vascular support, includes support pipe (1) and sets up expansion gasbag (2) and anchoring balloon (4) on support pipe (1) surface, the surface cover of expansion gasbag (2) is equipped with support main part (3), its characterized in that: the both ends of support main part (3) all are provided with spacing supporting mechanism, spacing supporting mechanism includes L shape support piece (6) of a plurality of swivelling joint at support main part (3) tip, a plurality of rotatory breach (9) corresponding with L shape support piece (6) have evenly been seted up to the tip surface of support main part (3), and the bottom swivelling joint of L shape support piece (6) is in the inboard of rotatory breach (9), the bottom of L shape support piece (6) is equipped with end stay (8) of integral type, end stay (8) are in the inboard of support main part (3), and end stay (8) hug closely with the outer wall of expansion gasbag (2), be equipped with block mechanism between the bottom of L shape support piece (6) and rotatory breach (9).
2. The blood vessel support for improving the positioning accuracy of claim 1, wherein: the inner side of the rotary notch (9) is fixed with a rotating shaft (12), and the bottom end of the L-shaped supporting piece (6) is sleeved on the rotating shaft (12).
3. The blood vessel support for improving the positioning accuracy of claim 1, wherein: the clamping mechanism comprises a first limiting clamping block (10) and a second limiting clamping block (14) which are respectively arranged on the surfaces of the two sides of the bottom end of the L-shaped supporting piece (6), a first limiting clamping groove (13) and a second limiting clamping groove (15) are respectively formed in the inner walls of the two sides of the rotating notch (9), the top end of the first limiting clamping block (10) is clamped on the inner side of the first limiting clamping groove (13), and the top end of the second limiting clamping block (14) is clamped on the inner side of the second limiting clamping groove (15).
4. A blood vessel support for improving positioning accuracy according to claim 3, wherein: the cross sections of the first limiting clamping block (10) and the second limiting clamping block (14) are in a right trapezoid shape, and the directions of the first limiting clamping block (10) and the second limiting clamping block (14) are opposite.
5. The blood vessel support for improving the positioning accuracy of claim 1, wherein: the two end surfaces of the expansion air bag (2) are respectively provided with an integrated positioning ring (5), and the support main body (3) is positioned between the two positioning rings (5).
6. The blood vessel support for improving the positioning accuracy of claim 1, wherein: the top surface of the bottom stay (8) is provided with an integrated bottom support piece (7), and the top end of the bottom support piece (7) is contacted with the bottom surface of the L-shaped support piece (6).
7. The blood vessel support for improving the positioning accuracy of claim 1, wherein: the top surface of the L-shaped supporting piece (6) is uniformly provided with a plurality of integrated anti-skid protrusions (11), and the bottom surface of the bottom supporting strip (8) is uniformly provided with a plurality of anti-skid grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120333809.1U CN215019797U (en) | 2021-02-05 | 2021-02-05 | Improve positioning accuracy's vascular support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120333809.1U CN215019797U (en) | 2021-02-05 | 2021-02-05 | Improve positioning accuracy's vascular support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215019797U true CN215019797U (en) | 2021-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120333809.1U Expired - Fee Related CN215019797U (en) | 2021-02-05 | 2021-02-05 | Improve positioning accuracy's vascular support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215019797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116616972A (en) * | 2023-07-24 | 2023-08-22 | 深圳市飞梵实业有限公司 | Tracheal stent shifter |
-
2021
- 2021-02-05 CN CN202120333809.1U patent/CN215019797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116616972A (en) * | 2023-07-24 | 2023-08-22 | 深圳市飞梵实业有限公司 | Tracheal stent shifter |
| CN116616972B (en) * | 2023-07-24 | 2023-10-24 | 深圳市飞梵实业有限公司 | Tracheal stent shifter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |