CN208942220U - Vascular connector - Google Patents
Vascular connector Download PDFInfo
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- CN208942220U CN208942220U CN201821156628.0U CN201821156628U CN208942220U CN 208942220 U CN208942220 U CN 208942220U CN 201821156628 U CN201821156628 U CN 201821156628U CN 208942220 U CN208942220 U CN 208942220U
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- inner support
- support
- support arm
- connector according
- vascular connector
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Abstract
The utility model discloses a kind of vascular connectors, including inner support and support arm；The inner support is elastic hollow out tubular structure, and the inner support can be elongated by compression to move in support arm and can be launched into tube body in support arm；The support arm covers outside inner support, and is close to the inner wall of support arm for clamping blood vessel between interior bracket and support arm after inner support expansion；The utility model can easily be attached blood vessel, and operating process is simple, have safely, conveniently, securely and reduce bleeding advantage.
Description
Technical field
The utility model relates to medical instruments field, in particular to a kind of vascular connector.
Background technique
Currently, surgical operation is the essential therapeutic arsenals of various diseases, aorta and peripheral blood vessel surgical operation are being carried out
When blood vessel would generally be cut off to reconnection, when especially carrying out the operation of big blood vessel connection, traditional blood vessel connection passes through operation
Linear slit closes, and stitching speed is slow, needs to take a long time, and vascular suture is tearable, reflux or leakage blood, and then causes tight
Weight complication.
Therefore, in order to solve the above technical problems, just needing a kind of vascular connector, easily blood vessel can be connected
Connect, operating process is simple, have safely, conveniently, securely and reduce bleeding advantage.
Utility model content
In view of this, can easily be carried out to blood vessel the purpose of this utility model is to provide a kind of vascular connector
Connection, operating process is simple, have safely, conveniently, securely and reduce bleeding advantage.
The vascular connector of the utility model, including inner support and support arm；The inner support is elastic hollow out tubulose knot
Structure, the inner support can be elongated by compression to move in support arm and can be launched into tube body in support arm；It is described outer
Support casing outside inner support, and the inner support expansion after be close to support arm inner wall with for by blood vessel clamping interior bracket with
Between support arm.
By further improvement to above-mentioned technical proposal, in a tubular form, the internal diameter of the support arm is greater than the support arm
The minimum outer diameter of inner support and the maximum outside diameter for being less than inner support.
By further improvement to above-mentioned technical proposal, the inner support is by the alloy material with shape memory effect
It is made.Preferably, the material of the inner support is Nitinol.
By further improvement to above-mentioned technical proposal, the elasticity hollow out tubular structure is that mesh-like weaves tube body.
Alternatively, the elasticity hollow out tubular structure is integral type hollow out pipe structure, hollow hole is formed by the way of laser cutting.
By further improvement to above-mentioned technical proposal, the support arm is seamless tube body structure.
By further improvement to above-mentioned technical proposal, the surface of the inner support is coated with coating, and the coating is
Polytetrafluoroethylene ethylene layer, eptfe layer or layer of polyurethane.
By further improvement to above-mentioned technical proposal, the inner support is equipped with development indicating.
The utility model has following advantageous effects:
The vascular connector of the utility model, when the two sides of inner support simultaneously by radially inward pressure when, inner support
It is elongated by compression, when the outer diameter of inner support is less than vessel diameter, inner support can extend into intravascular；After removing external force,
Inner support gradually restores in the blood vessels, struts blood vessel during recovery；Since support arm is covered in inner support and wait connect
Two blood vessels outside, the inner wall that inner support gradually struts blood vessel during recovery and blood vessel is made to be tightly attached to support arm,
Under the external pressure of inner support and the barrier effect of support arm, blood vessel is clamped between inner support and support arm；This mode is exempted from
It has gone doctor to sew on and has closed the time of blood vessel, shortened operating time, easily blood vessel can be attached, operated
Journey is simple, have safely, conveniently, securely and reduce bleeding advantage.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the usage state diagram of the utility model；
Fig. 2 is the main view of the inner support of the utility model.
Specific embodiment
It is as depicted in figs. 1 and 2: the vascular connector of the present embodiment, including inner support 2 and support arm 3；The inner support 2
For elastic hollow out tubular structure, the inner support 2 can be moved in support arm 3 by compression elongation and can be in support arm 3
Inside it is launched into tube body；3 sets of the support arm outside inner support 2, and the inner support 2 be unfolded after be close to support arm 3 inner wall with
For clamping blood vessel between interior bracket 2 and support arm 3；The object of this connector is blood vessel, including natural blood vessel and artificial
Blood vessel；Inner support 2 is resiliency compressible structure, is illustrated in figure 2 state of the inner support 2 in non-stress, is at this time a tube body,
When the two sides of inner support 2 simultaneously by radially inward pressure when, inner support 2 by compression elongate (i.e. caliber reduce simultaneously height
Increase), when the outer diameter of inner support 2 is less than vessel diameter, inner support 2 can extend into intravascular；Inner support 2 also has extensive
The characteristic of shape is restored, after removing external force, inner support 2 gradually restores, and struts blood vessel during recovery；Support arm when use
3 sets inner support 2 and two blood vessels to be connected (You Yigen rupture of blood vessel forms, and is blood vessel A11 and blood vessel B12 in Fig. 1) outside,
It is non-deformable rigid structure, inner support 2 that support arm 3 can have opposite deformation characteristic or support arm 3 with inner support 2
Blood vessel is gradually strutted during recovery and blood vessel is made to be tightly attached to the inner wall of support arm 3, external pressure and outer branch in inner support 2
Under the barrier effect of frame 3, blood vessel is clamped between inner support 2 and support arm 3；Blood is formed between inner support 2 and support arm 3
Tube grip area；This mode, which eliminates doctor and sews on, closes the time of blood vessel, shortens operating time, can be easily to blood
Pipe is attached, and operating process is simple, have safely, conveniently, securely and reduce bleeding advantage；Inner support 2 and support arm 3
Existing intravascular stent also can be selected.
In the present embodiment, the support arm 3 in a tubular form, and in order to prevent blood vessel connection after bleeding, with the hollow out of inner support 2
Tube body is different, and support arm 3 is seamless tube body structure, accordingly even when underlapped pressing is also unlikely in the early stage by blood vessel A11 and blood vessel B12
In generation bleeding accident；Support arm 3 is non-deformable rigid structure, and the internal diameter of the support arm 3 is greater than inner support 2 at this time
Minimum outer diameter (being compressed to outer diameter when minimum pipe state) is simultaneously less than the maximum outside diameter of inner support 2 (under naturally non-stress
Outer diameter), to generate clamping force appropriate；In the state of unused, inner support 2 is mountable on a retainer, by keeping
Frame carries out a degree of compression, and retainer is connect with support arm 3 again, so that support arm 3 and inner support 2 connect into one
Integrally, retainer is dismantled when use.
In the present embodiment, the inner support 2 is made of the alloy material with shape memory effect, this alloy material tool
There is pseudoelasticity, there are the more recoverable force abilities bigger than common metal under external force, what is generated in loading procedure answers greatly
Change can restore with unloading；Preferably, the material of the inner support 2 is Nitinol, corrosion resistance is strong, and has anti-
Toxicity and soft Orthodontic force.Inner support 2 can pass through netted braiding by memory wire there are many processing method
It is that mesh-like weaves tube body at, i.e., elastic hollow out tubular structure, mesh is hollow hole 2a, and mesh form can be rule or not
The polygon of rule, polygon is evenly distributed, can also be with uneven arrangement.Certainly, elastic hollow out tubular structure may be one
Body formula hollow out pipe structure, the mode that laser cutting can be used in its hollow hole 2a at this time are formed.
In the present embodiment, the surface of the inner support 2 is coated with coating (not shown), and the coating is polytetrafluoroethyl-ne
Alkene layer, eptfe layer or layer of polyurethane；Polytetrafluoroethylene (PTFE) (PTFE), expanded PTFE (e-PTFE) have pole
Good biocompatibility, surface is less scaling and forms thrombus, itself is negatively charged, is unfavorable for platelet aggregation, and do not lead
Cause bone resorption, denaturation will not be decomposed, it is corrosion-resistant, no foreign body sensation, without it is carcinogenic, without side effects such as sensitization；Polyurethane then has well
Compliance and elasticity, have excellent antithrombotic；Coating adds the formation for reducing thrombus, thereby reduces restenosis
Generation, while being additionally favorable for cell ingrowth.
In the present embodiment, the inner support 2 is equipped with development indicating 4, convenient in art and postoperative true by visualization way
Determine 2 position of inner support；Development indicating 4 may be, for example, development wire/ball, quantity and the set-up mode being welded on inner support 2
Can as the case may be depending on.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of vascular connector, it is characterised in that: including inner support and support arm；The inner support is elastic hollow out tubulose knot
Structure, the inner support can be elongated by compression to move in support arm and can be launched into tube body in support arm；It is described outer
Support casing outside inner support, and the inner support expansion after be close to support arm inner wall with for by blood vessel clamping interior bracket with
Between support arm.
2. vascular connector according to claim 1, it is characterised in that: the support arm in a tubular form, the support arm
Internal diameter is greater than the minimum outer diameter of inner support and is less than the maximum outside diameter of inner support.
3. vascular connector according to claim 1, it is characterised in that: the inner support is by with shape memory effect
Alloy material is made.
4. vascular connector according to claim 3, it is characterised in that: the material of the inner support is Nitinol.
5. vascular connector according to claim 3, it is characterised in that: the elasticity hollow out tubular structure is mesh-like volume
Knit tube body.
6. vascular connector according to claim 3, it is characterised in that: the elasticity hollow out tubular structure is engraved for integral type
Blank pipe body structure, hollow hole are formed by the way of laser cutting.
7. vascular connector according to claim 1, it is characterised in that: the support arm is seamless tube body structure.
8. vascular connector according to any one of claims 1 to 7, it is characterised in that: the surface of the inner support coats
There is coating, the coating is polytetrafluoroethylene ethylene layer, eptfe layer or layer of polyurethane.
9. vascular connector according to any one of claims 1 to 7, it is characterised in that: the inner support is equipped with development
Indicating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156628.0U CN208942220U (en) | 2018-07-20 | 2018-07-20 | Vascular connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156628.0U CN208942220U (en) | 2018-07-20 | 2018-07-20 | Vascular connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208942220U true CN208942220U (en) | 2019-06-07 |
Family
ID=66732208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821156628.0U Active CN208942220U (en) | 2018-07-20 | 2018-07-20 | Vascular connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208942220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108903984A (en) * | 2018-07-20 | 2018-11-30 | 中国医学科学院阜外医院 | Clipping anastomotic fitting |
-
2018
- 2018-07-20 CN CN201821156628.0U patent/CN208942220U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108903984A (en) * | 2018-07-20 | 2018-11-30 | 中国医学科学院阜外医院 | Clipping anastomotic fitting |
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