CN213722194U - Novel blood vessel anastomosis device - Google Patents
Novel blood vessel anastomosis device Download PDFInfo
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- CN213722194U CN213722194U CN202021093844.2U CN202021093844U CN213722194U CN 213722194 U CN213722194 U CN 213722194U CN 202021093844 U CN202021093844 U CN 202021093844U CN 213722194 U CN213722194 U CN 213722194U
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Abstract
The utility model discloses a novel blood vessel coincide device, including inner tube and outer clamping piece, the inner tube is hollow cylinder, is equipped with a plurality of needles that coincide along the even interval of circumference on the outside pipe wall in both ends, outer clamping piece is the arc clamping piece, and the internal surface is equipped with the identical hole, the identical hole with the shape, position and the quantity looks adaptation of needle that coincide. After the broken ends of the blood vessels at the two ends are nested on the inner tube, the outer clamping piece is clamped by the auxiliary clamp, so that the anastomosis hole on the inner surface of the outer clamping piece is embedded with the anastomosis needle on the outer wall of the inner tube, the inner tube and the outer clamping piece are fixedly connected, and the broken ends of the blood vessels between the inner tube and the outer clamping piece are clamped at the moment, so that the circulation between the blood vessels can be realized. The utility model discloses reduce the possibility that diseases such as postoperative thrombus took place, saved the time that the blood vessel links up, guaranteed the security of using, simplified operation flow, reached quick, accurate, effectual vascular purpose of sewing up.
Description
Technical Field
The utility model discloses a novel blood vessel anastomosis device belongs to medical instrument technical field.
Background
In many surgical operations, especially blood vessel suture operations, the suturing of blood vessels is a large project, the traditional suture mode adopts suture lines and suture needles, the operation is completed by manual suturing for many times by a blood vessel suture surgeon, the time and the labor are consumed, the error of each operation is large and the suture technical requirement of the surgeon is strict.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a novel blood vessel coincide device saves the time that the blood vessel links up, guarantees the security of using, simplifies the operation flow, has reduced the possibility that diseases such as postoperative thrombus take place, reaches quick, accurate, effectual vascular purpose of sewing up.
In order to realize the purpose, the utility model discloses the technical scheme who takes is: a novel blood vessel anastomosis device is characterized in that: the inner tube comprises an inner tube and an outer clamping piece, wherein a plurality of anastomosis needles are uniformly arranged on the outer tube walls of the two ends of the inner tube at intervals along the circumferential direction, anastomosis holes are formed in the inner surface of the outer clamping piece, the anastomosis holes are matched with the anastomosis needles in shape, position and quantity, and the outer clamping piece is fixedly connected with the inner tube and clamps and nests two broken ends of two blood vessels on the inner tube when the anastomosis needles are nested with the anastomosis holes, so that the circulation between the blood vessels is realized.
Furthermore, the inner tube is a hollow cylinder, the inner surface and the outer surface of the inner tube are smooth and coated with an anti-thrombus coating, the inner diameter and the outer diameter of the inner tube are matched with the blood vessel, six anastomotic needles are respectively arranged on the outer tube walls of the two ends of the inner tube at equal intervals along the circumferential direction, and the head end of each anastomotic needle is an elastic cone step.
Furthermore, the outer clamping piece is an arc-shaped clamping piece, a space is reserved for facilitating clamping and loosening of the auxiliary clamp, two ends of the inner pipe are respectively distributed symmetrically, and concave-convex patterns are engraved on contact surfaces of two ends of the outer clamping piece.
Furthermore, the anastomosis hole is a cone, a hollow circular truncated cone-shaped part is left, a gap is formed in the top end of the anastomosis hole, the top end of the anastomosis hole can be opened, the top end of the anastomosis hole is opened when the anastomosis hole penetrates through the gap, and the top end of the anastomosis hole rebounds and is clamped when the anastomosis hole is embedded.
Furthermore, the novel blood vessel anastomosis device comprises an auxiliary clamp used for clamping the outer clamping piece, the shape of the inner surface of a clamp mouth of the auxiliary clamp corresponds to the shape of the outer surface of the outer clamping piece, and the concave-convex patterns of the contact surface are matched with the concave-convex patterns of the contact surfaces at the two ends of the outer clamping piece.
Adopt the produced beneficial effect of this technical scheme to lie in: the utility model discloses with the disconnected end nestification of blood vessel at both ends back on the inner tube, hold outer clamping piece with supplementary pincers, make the anastomotic needle gomphosis on anastomotic hole on the outer clamping piece internal surface and the inner tube outer wall, fixed connection inner tube and outer clamping piece, the disconnected end of blood vessel between inner tube and the outer clamping piece is pressed from both sides tightly this moment, can realize the circulation between the blood vessel, the time that the blood vessel links up has been saved, it is degradable device to be detained the device on the blood vessel, the possibility that diseases such as postoperative thrombus take place has been reduced, through the anastomotic needle that is equipped with and the hole that coincide, make inner tube and outer clamping piece high-speed joint just can not drop, the security of using has been guaranteed, the operation flow has been simplified, reach fast, it is accurate, effectual vascular purpose of sewing up.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a partial cross-sectional view of the outer clip of the present invention;
FIG. 2 is a schematic sectional view of the structure of the present invention;
FIG. 3 is a schematic view of the working principle of the auxiliary clamp of the present invention;
in the figure: 1. an inner tube; 2. an outer clip; 3. an anastomosis needle; 4. fitting the holes; 5. auxiliary tongs; 6: a blood vessel.
Detailed Description
The invention will be further elucidated with reference to the accompanying figures 1, 2 and 3: the utility model provides a novel blood vessel coincide device, includes inner tube 1 and outer clamping piece 2, be equipped with a plurality of needles 3 that coincide along the even interval of circumference on the outside pipe wall in 1 both ends of inner tube, 2 internal surfaces of outer clamping piece are equipped with coincide hole 4, coincide hole 4 with the shape, position and the quantity looks adaptation of needle 3 coincide, outer clamping piece 2 is in coincide needle 3 with when coinciding hole 4 inlays, with 1 fixed connection of inner tube, press from both sides tight nestification in 6 disconnected ends of two blood vessels on the inner tube realize the circulation between the blood vessel 6.
Wherein, inner tube 1 is hollow cylinder, and the smooth and coating of interior surface has antithrombotic coating, has reduced the possibility that diseases such as postoperative thrombus take place, inside and outside diameter with 6 looks adaptations of blood vessel respectively are equipped with six anastomotic needles 3 along circumference evenly spaced on the outside pipe wall in both ends.
The outer clamping piece 2 is an arc-shaped clamping piece, a space is reserved for facilitating clamping and loosening of the auxiliary clamp 5, two ends of the inner pipe 1 are respectively distributed symmetrically, and concave-convex patterns are engraved on contact surfaces of two ends of the outer clamping piece 2.
Wherein, 3 head ends of needle coincide are elasticity cone step, coincide hole 4 is the cone, leaves cavity round platform form part, and cavity round platform top has the space to strut, when needle coincide 3 passed, the inside cavity round platform top in coincide hole 4 struts, coincide needle 3 pass back cavity round platform top and kick-back card and die the completion gomphosis, coincide hole 4 with coincide 3 shape, position and quantity looks adaptations of needle form buckle structure, make inner tube 1 with outer clamping piece 2 high-speed joint just can not drop, has saved the time that the blood vessel links up, has simplified operation flow.
Wherein, novel blood vessel device that coincide includes one kind and is used for the centre gripping the supplementary pincers of outer clamping piece, the pincers mouth internal surface shape of supplementary pincers 5 with 2 external surface shapes of outer clamping piece correspond, and the concave convex pattern of contact surface with 2 both ends contact surface concave convex patterns of outer clamping piece coincide, and the stability and the security of using when having guaranteed the centre gripping operation are rubbed in the increase.
The utility model discloses a concrete theory of operation is: in the operation process, when the blood vessel anastomosis device is used, firstly, the broken ends of the blood vessel 6 are expanded by using a blood vessel expander to be conveniently nested on the inner tube 1, the broken ends of the blood vessel 6 are clamped by using operation forceps to penetrate through the anastomosis needles 3 uniformly distributed along the circumferential direction, the blood vessel expander is nested on the outer tube walls at the two ends of the inner tube 1 to be withdrawn after the completion, then, when the outer clamping piece 2 and the inner tube 1 are clamped and fixed by using the auxiliary forceps 5, the auxiliary forceps 5 are firstly opened, the contact surface of the concave-convex patterns at the forceps mouth part of the auxiliary forceps 5 is clamped when being inosculated with the contact surfaces of the concave-convex patterns at the two ends of the outer clamping piece 2, the outer clamping piece 2 is clamped to drive the anastomosis holes 4 on the inner surface to be embedded with the anastomosis needles 3 on the outer tube walls at the two ends of the inner tube 1, the inner tube 1 and the outer clamping piece 2 are fixedly connected, and at the moment, the broken ends of the blood vessel between the inner tube 1 and the outer clamping piece 2 are clamped tightly, flow communication between the blood vessels 6 is achieved.
Claims (5)
1. A novel blood vessel anastomosis device is characterized in that: the inner tube comprises an inner tube and an outer clamping piece, wherein a plurality of anastomosis needles are uniformly arranged on the outer tube walls of the two ends of the inner tube at intervals along the circumferential direction, anastomosis holes are formed in the inner surface of the outer clamping piece, the anastomosis holes are matched with the anastomosis needles in shape, position and quantity, and the outer clamping piece is fixedly connected with the inner tube and clamps and nests two broken ends of two blood vessels on the inner tube when the anastomosis needles are nested with the anastomosis holes, so that the circulation between the blood vessels is realized.
2. The new vascular anastomosis device according to claim 1, wherein: the inner tube is a hollow cylinder, the inner surface and the outer surface of the inner tube are smooth and coated with an anti-thrombus coating, the inner diameter and the outer diameter of the inner tube are matched with the blood vessel, six anastomosis needles are uniformly arranged on the outer tube walls of the two ends of the inner tube at intervals along the circumferential direction, and the head end of each anastomosis needle is an elastic conical step.
3. The new vascular anastomosis device according to claim 1, wherein: the outer clamping piece is an arc-shaped clamping piece, a space is reserved for facilitating clamping and loosening of the auxiliary clamp, two ends of the inner pipe are respectively distributed symmetrically, and concave-convex patterns are engraved on contact surfaces of two ends of the outer clamping piece.
4. The new vascular anastomosis device according to claim 1, wherein: the anastomosis hole is a cone, a hollow circular truncated cone-shaped part is left, a gap is formed in the top end of the anastomosis hole, the top end of the anastomosis hole can be opened, the anastomosis hole penetrates through the gap, and the top end of the anastomosis hole is rebounded and clamped when the anastomosis hole is embedded.
5. The new vascular anastomosis device according to claim 1, wherein: the novel blood vessel anastomosis device comprises an auxiliary clamp used for clamping the outer clamping piece, the shape of the inner surface of a clamp mouth of the auxiliary clamp corresponds to the shape of the outer surface of the outer clamping piece, and the concave-convex patterns of the contact surface are matched with the concave-convex patterns of the contact surface at the two ends of the outer clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021093844.2U CN213722194U (en) | 2020-06-15 | 2020-06-15 | Novel blood vessel anastomosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021093844.2U CN213722194U (en) | 2020-06-15 | 2020-06-15 | Novel blood vessel anastomosis device |
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| Publication Number | Publication Date |
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| CN213722194U true CN213722194U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021093844.2U Active CN213722194U (en) | 2020-06-15 | 2020-06-15 | Novel blood vessel anastomosis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115300017A (en) * | 2021-09-15 | 2022-11-08 | 武汉创而研之科技发展有限公司 | Novel blood vessel stitching instrument |
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2020
- 2020-06-15 CN CN202021093844.2U patent/CN213722194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115300017A (en) * | 2021-09-15 | 2022-11-08 | 武汉创而研之科技发展有限公司 | Novel blood vessel stitching instrument |
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