CN110522499B - Blood vessel puncture sealing device - Google Patents
Blood vessel puncture sealing device Download PDFInfo
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- CN110522499B CN110522499B CN201910917811.0A CN201910917811A CN110522499B CN 110522499 B CN110522499 B CN 110522499B CN 201910917811 A CN201910917811 A CN 201910917811A CN 110522499 B CN110522499 B CN 110522499B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
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Abstract
The invention provides a blood vessel puncture sealing device, which comprises a positioning part, wherein a positioning hole through which a sheath tube can pass is formed in the middle of the positioning part; the rope winding assembly is fixedly arranged on the positioning part and comprises a pull rope; the sealing assembly comprises an outer catheter, an inner catheter and an inner sealing piece, the outer catheter can extend into the blood vessel through the sheath tube, the inner sealing piece is a deformable piece and is arranged at the inner bottom of the outer catheter, the inner catheter is movably arranged in the outer catheter and is used for pushing the inner sealing piece out of the outer catheter to enable the inner sealing piece to be deformed and then seal the inner part of the puncture hole of the blood vessel, and one end of the pull rope penetrates through the inner catheter and is connected with the inner sealing piece; the outer sealing piece is detachably arranged in the positioning hole of the positioning part, and the outer sealing piece can clamp the pull rope so as to be matched with the inner sealing piece to seal the blood vessel puncture hole. Compared with the existing sealer structure, the sealer can be operated by medical personnel conveniently, and the sealing effect of the puncture is ensured.
Description
Technical Field
The invention mainly relates to the technical field related to puncture, in particular to a blood vessel puncture sealing device.
Background
The blood vessel interventional technology, especially the cardiac catheter interventional diagnosis and treatment, is to puncture blood vessel percutaneously and place sheath. Through the sheath, it is possible to access a blood vessel or other lumen in the body from outside the body and perform a surgical procedure for a medical action along the blood vessel toward a medical target.
In the prior art, a method for sealing a puncture hole of a blood vessel by using an inner sealing member and an outer sealing member to jointly act on the puncture hole is disclosed. The main working principle is as follows: put into the sheath through a pipe, send into the blood vessel with flexible interior closed piece to through the taut interior closed piece of stay cord, interior closed piece is sealed with puncture hole inside the grow back in the blood vessel, takes out the sheath this moment, places outer closed piece, then subtracts unnecessary stay cord, through the combined action of interior closed piece, outer closed piece, seals the puncture hole.
In the structure, the pull rope is adopted to tension the closing piece, so that medical personnel are required to manually tension the pull rope to perform a series of operations during actual use, the operations can be completed by experienced operators, and the labor intensity is high; meanwhile, in the operation process, the loosening of the pull rope is very easy to cause, so that the condition that the puncture is bleedingly excessive due to untight sealing is easy to cause.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the blood vessel puncture sealing device by combining the prior art and starting from practical application.
The technical scheme of the invention is as follows:
a vessel puncture sealing device comprises
The middle position of the positioning part is provided with a positioning hole through which a sheath tube can pass;
the rope winding assembly is fixedly arranged on the positioning part and comprises a pull rope;
the sealing assembly comprises an outer catheter, an inner catheter and an inner sealing piece, the outer catheter can extend into the blood vessel through a sheath, the inner sealing piece is a deformable piece and is arranged at the inner bottom of the outer catheter, the inner catheter is movably arranged in the outer catheter and is used for pushing the inner sealing piece out of the outer catheter to enable the inner sealing piece to be deformed and then sealing the inner part of the puncture hole of the blood vessel, and one end of the pull rope penetrates through the inner catheter and is connected with the inner sealing piece;
the outer sealing piece is detachably arranged in the positioning hole of the positioning part, and the outer sealing piece can clamp the pull rope so as to be matched with the inner sealing piece to seal the blood vessel puncture opening.
Furthermore, the rope winding assembly comprises an upright post, the bottom of the upright post is fixedly connected with the positioning part, and the upright post is provided with a rope wheel group used for guiding the pull rope and a hand wheel used for realizing winding of the pull rope.
Further, the hand wheel is of a ratchet type structure and can pull the pull rope tightly and lock the pull rope to prevent the pull rope from loosening.
Furthermore, the positioning part is a ring-shaped part, an opening communicated with the positioning hole is formed in the positioning part, a locking screw is arranged at the opening, the outer sealing part is fixed on a positioning block, and the positioning block can be placed in the positioning hole of the positioning part and then can be contracted through the locking screw to realize locking of the positioning block.
Furthermore, the positioning block is of a cylindrical structure, a rope hole is formed in the center of the positioning block, an expansion opening communicated with the rope hole is further formed in the positioning block, the expansion opening penetrates through the positioning block outwards, so that a pull rope can enter the rope hole through the expansion opening, after the positioning block is placed into the positioning hole, when the positioning hole is locked through the locking screw, the positioning hole is reduced and extrudes the positioning block, and therefore the expansion opening is reduced to achieve locking of the pull rope.
Furthermore, an elastic body is arranged on the upper surface of the positioning part, the positioning block is of a cylindrical flange structure, and when the positioning block is placed into the positioning hole, the flange of the positioning block is tightly pressed on the elastic body, so that the elastic body upwards applies pressure to the positioning block.
Further, the inner closure is made of a biocompatible or biodegradable material.
Further, the inner closure is made of a lactic acid polymer.
The invention has the beneficial effects that:
1. the medical sealing device is provided with the positioning part which is convenient for placing the sealing device, the rope winding assembly is arranged, medical staff can conveniently operate the sealing device through the pull rope, the inner sealing device and the outer sealing device are reasonable in structural design, the outer sealing device is more convenient to install compared with the traditional sealing device, and the sealing device has a better sealing effect when being matched with the inner sealing device.
2. According to the invention, the structure for realizing the sealing of the outer sealing part is simple and reasonable in design, and the pull rope can be firmly clamped through the outer sealing part in a hand screwing mode, so that the pressure of the inner sealing part and the pressure of the outer sealing part on the inner side and the outer side of the puncture hole are ensured.
Drawings
FIG. 1 is a schematic view of a closure assembly of the present invention prior to insertion;
FIG. 2 is a schematic view of the structure of the closure assembly of the present invention after insertion;
FIG. 3 is a schematic view of the closure assembly of the present invention after removal;
FIG. 4 is an enlarged view of the portion I of FIG. 2;
FIG. 5 is a schematic view of a positioning portion of the present invention;
FIG. 6 is a schematic view of a positioning block according to the present invention.
Reference numerals shown in the drawings:
1. a blood vessel; 2. a positioning part; 3. an elastomer; 4. a sheath tube; 5. an inner closure; 6. an outer catheter; 7. an inner conduit; 8. pulling a rope; 9. a rope pulley group; 10. a hand wheel; 11. a column; 12. positioning holes; 13. positioning blocks; 14. an outer closure member; 15. an opening; 16. locking the screw; 17. and (4) expanding the opening.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
As shown in figures 1-6, the blood vessel puncture sealing device structure provided by the invention comprises
The middle position of the positioning part 2 is provided with a positioning hole 12 through which the sheath tube 4 can pass;
the rope winding assembly is fixedly arranged on the positioning part 2 and comprises a pull rope 8;
the sealing assembly comprises an outer catheter 6, an inner catheter 7 and an inner sealing part 5, the outer catheter 6 can extend into the blood vessel 1 through the sheath 4, the inner sealing part 5 is a deformable part and is arranged at the inner bottom of the outer catheter 6, the inner catheter 7 is movably arranged inside the outer catheter 6 and is used for pushing the inner sealing part 5 out of the outer catheter 6 to enable the inner sealing part 5 to be deformed and then seal the inner part of a puncture hole of the blood vessel 1, and one end of the pull rope 8 penetrates through the inner catheter 7 and is connected with the inner sealing part 5;
and the outer sealing piece 14 is detachably arranged in the positioning hole 12 of the positioning part 2, and the outer sealing piece 14 can clamp the pull rope 8 so as to be matched with the inner sealing piece 5 to seal the puncture of the blood vessel 1.
In the sealer structure of the invention, as shown in fig. 1, when in use, firstly, the positioning part 2 is placed at the puncture position, so that the positioning hole 12 and the sheath 4 extending into the blood vessel 1 are approximately coaxially arranged, secondly, as shown in fig. 2, the sealing component connected with the pull rope is placed into the sheath 4, when the outer catheter 6 extends into the blood vessel 1, the inner sealing part 5 in the outer catheter 7 is pushed out by pushing the inner catheter 7, the inner sealing part 5 naturally extends and deforms after coming out from the outer catheter 6, at this time, the outer catheter 6 and the inner catheter 7 can be pulled out of the sheath 4 upwards, at the same time, the inner sealing part 5 is pulled to be close to the puncture hole position by the rope winding component, the inner sealing part 5 is pulled to seal the puncture hole at the inner part, then, the outer sealing part 14 is taken out, the pull rope 8 is penetrated into the sealing part, and the outer 14 is placed into the positioning hole 12, the pull cord 8 is then locked by the outer closure member 14. At this time, as shown in fig. 3, the inner seal 5 and the outer seal 14 are placed on both the inside and outside of the puncture, and the relative positions of the two are fixed by the pull cord 8, so that the pressure against the puncture is generated, and the puncture is closed from both sides.
As a preferred aspect of the invention, the roping assembly according to the invention is constructed as follows: the rope guiding device comprises a stand column 11, the bottom of the stand column 11 is fixedly connected with a positioning part 2, and a rope wheel group used for guiding a pull rope 8 and a hand wheel 10 used for winding the pull rope 8 are arranged on the stand column 11. The rope pulley set in the structure is arranged as shown in the figure, and is used for ensuring the force application direction of the pull rope 8 and guiding the pull rope 8 to the position of the hand wheel 10. The hand wheel 10 adopts a ratchet wheel type structure, namely has a locking function, and the structure can ensure that the pull rope 8 is more and more tightened, so that the problem that the puncture opening cannot be effectively sealed by the inner sealing part 5 due to the loosening of the pull rope 8 is avoided.
As a preferred embodiment of the present invention: the positioning part 2 of the present invention has the following structure: the positioning portion 2 is an annular member, an opening 15 communicated with the positioning hole 12 is formed in the positioning portion 2, a locking screw 16 is arranged at the opening 15, the outer sealing member 14 is fixed on a positioning block 13, and the positioning block 13 can be locked by contracting the positioning hole 12 through the locking screw 16 after being placed in the positioning hole 12 of the positioning portion 2. According to the structure of the invention, the arrangement of the opening 15 enlarges the aperture of the positioning hole 12, the positioning part 2 can be conveniently placed in the positioning hole 12, and the positioning hole 12 is contracted through the locking screw 16, so that the positioning block 13 can be firmly clamped. As shown in the figure, the outer sealing member 14 is arranged at the bottom of the positioning block 13, and after the positioning block 13 is fixed, the outer sealing member 14 is tightly attached to the puncture hole to seal the exterior of the puncture hole.
As a preferable scheme of the present invention, in the present invention, the positioning block 13 is a cylindrical structure, a rope hole is arranged at a central position of the positioning block 13, an expansion opening 17 communicated with the rope hole is further arranged on the positioning block 13, the expansion opening 17 outwardly penetrates through the positioning block 13 so that the pulling rope 8 can enter the rope hole through the expansion opening 17, after the positioning block 13 is placed in the positioning hole 12, when the positioning block 13 is locked by the locking screw 16, the positioning hole 12 is contracted to press the positioning block 13 so that the expansion opening 17 is contracted to lock the pulling rope. The expansion opening 17 structure can conveniently enable the pull rope 8 to enter the rope opening position, and the pull rope 8 is clamped and locked when the expansion opening 17 is extruded.
As a preferable scheme of the present invention, the positioning part 2 is provided with an elastic body 3 on the upper surface, the positioning block 12 is of a cylindrical flange structure, when the positioning block 13 is placed into the positioning hole 12, the flange part of the positioning block 13 is pressed on the elastic body 3, so that the elastic body 3 exerts pressure on the positioning block 13 upwards, and the arrangement of the elastic body can enable the positioning block 13 to have an upward force which can draw the inner sealing member 5 to ensure that the inner sealing member 5 can exert pressure on the puncture, thereby realizing effective sealing of the puncture.
In the present invention, the inner closure member 5 is made of a biocompatible or biodegradable material, preferably a lactic acid polymer, to prevent the material from being damaged to the human body after being infused into blood.
Claims (6)
1. Blood vessel puncture closure device, its characterized in that: comprises that
The middle position of the positioning part is provided with a positioning hole through which a sheath tube can pass;
the rope winding assembly is fixedly arranged on the positioning part and comprises a pull rope;
the sealing assembly comprises an outer catheter, an inner catheter and an inner sealing piece, the outer catheter can extend into the blood vessel through a sheath, the inner sealing piece is a deformable piece and is arranged at the inner bottom of the outer catheter, the inner catheter is movably arranged in the outer catheter and is used for pushing the inner sealing piece out of the outer catheter to enable the inner sealing piece to be deformed and then sealing the inner part of the puncture hole of the blood vessel, and one end of the pull rope penetrates through the inner catheter and is connected with the inner sealing piece;
the outer sealing piece is detachably arranged in the positioning hole of the positioning part, and can clamp the pull rope so as to be matched with the inner sealing piece to seal the blood vessel puncture opening;
the positioning part is a ring-shaped part, an opening communicated with the positioning hole is formed in the positioning part, a locking screw is arranged at the opening, the outer sealing part is fixed on a positioning block, and the positioning block is placed in the positioning hole of the positioning part and then can be contracted through the locking screw to realize locking of the positioning block;
the positioning block is of a cylindrical structure, a rope hole is formed in the center of the positioning block, an expansion opening communicated with the rope hole is further formed in the positioning block, the expansion opening penetrates through the positioning block outwards, so that a pull rope can enter the rope hole through the expansion opening, after the positioning block is placed into the positioning hole, when the positioning hole is locked through the locking screw, the positioning hole is shrunk and extruded, and the expansion opening is shrunk and locked.
2. The vessel puncture closure of claim 1, wherein: the rope winding assembly comprises a stand column, the bottom of the stand column is fixedly connected with the positioning portion, and a rope wheel group used for guiding the pull rope and a hand wheel used for winding the pull rope are arranged on the stand column.
3. The vessel puncture closure of claim 2, wherein: the hand wheel is of a ratchet type structure and can tighten the pull rope and lock the pull rope to prevent the pull rope from loosening.
4. The vessel puncture closure of claim 1, wherein: the positioning part is arranged on the positioning base, the positioning block is arranged on the positioning part, the positioning block is of a cylindrical flange structure, and when the positioning block is placed into the positioning hole, the flange of the positioning block is tightly pressed on the elastic body, so that the elastic body upwards applies pressure to the positioning block.
5. The vessel puncture closure of claim 1, wherein: the inner closure is made of a biocompatible or biodegradable material.
6. The vessel puncture closure of claim 5, wherein: the inner closure is in particular made of a lactic acid polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917811.0A CN110522499B (en) | 2019-09-26 | 2019-09-26 | Blood vessel puncture sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917811.0A CN110522499B (en) | 2019-09-26 | 2019-09-26 | Blood vessel puncture sealing device |
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| Publication Number | Publication Date |
|---|---|
| CN110522499A CN110522499A (en) | 2019-12-03 |
| CN110522499B true CN110522499B (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910917811.0A Active CN110522499B (en) | 2019-09-26 | 2019-09-26 | Blood vessel puncture sealing device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495047A (en) * | 2005-10-05 | 2009-07-29 | 洛马林达大学医学中心 | Vascular wound closure device and method |
| CN202654166U (en) * | 2012-05-23 | 2013-01-09 | 王小军 | Single-incision sealing device for laparoscopic surgery |
| CN209059321U (en) * | 2018-08-01 | 2019-07-05 | 郑州大学第二附属医院 | A kind of postoperative radiography hemostasis device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8690910B2 (en) * | 2000-12-07 | 2014-04-08 | Integrated Vascular Systems, Inc. | Closure device and methods for making and using them |
| CN104586455B (en) * | 2014-12-31 | 2016-08-24 | 上海形状记忆合金材料有限公司 | A kind of insertion type Vascular haemostasis device |
| EP3361964A1 (en) * | 2015-10-14 | 2018-08-22 | St. Jude Medical, Cardiology Division, Inc. | Vascular sensor implantation devices and methods |
| TWI635840B (en) * | 2016-08-30 | 2018-09-21 | 周佳蓉 | Vascular puncture sealing device |
| CN206612823U (en) * | 2016-09-26 | 2017-11-07 | 王燕 | For the disposable care device stopped blooding after artery and vein puncture |
| CN109044471B (en) * | 2018-09-27 | 2023-12-12 | 汇康（昆山）医疗科技有限公司 | Catheter sheath with plugging and repairing functions and capable of puncturing tubular tissue structure |
| CN110074841A (en) * | 2019-05-24 | 2019-08-02 | 刘苗 | A kind of closure instrument for vascular operation |
-
2019
- 2019-09-26 CN CN201910917811.0A patent/CN110522499B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495047A (en) * | 2005-10-05 | 2009-07-29 | 洛马林达大学医学中心 | Vascular wound closure device and method |
| CN202654166U (en) * | 2012-05-23 | 2013-01-09 | 王小军 | Single-incision sealing device for laparoscopic surgery |
| CN209059321U (en) * | 2018-08-01 | 2019-07-05 | 郑州大学第二附属医院 | A kind of postoperative radiography hemostasis device |
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| CN110522499A (en) | 2019-12-03 |
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