CN112472315A - A extravascular stent for kidney is transplanted - Google Patents
A extravascular stent for kidney is transplanted Download PDFInfo
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- CN112472315A CN112472315A CN202011460122.0A CN202011460122A CN112472315A CN 112472315 A CN112472315 A CN 112472315A CN 202011460122 A CN202011460122 A CN 202011460122A CN 112472315 A CN112472315 A CN 112472315A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
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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
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Abstract
The invention discloses an external vascular stent for kidney transplantation, which belongs to the field of kidney transplantation operations and comprises a telescopic piece, wherein the telescopic piece comprises two telescopic plates, one ends, close to each other, of the two telescopic plates are simultaneously in threaded installation with a bidirectional threaded rod, two supporting shields are arranged on the lower side of the telescopic piece, the two supporting shields are regulated and controlled through a driven mechanism, the two driven mechanisms are jointly in transmission fit with a driving mechanism, each supporting shield comprises two mutually matched arc-shaped pieces, and the top end of each arc-shaped piece is rotatably installed with the bottom wall of the telescopic plate. The invention can realize convenient adjustment of the whole size of the support, and meanwhile, the two support covers can be crossed with each other by arranging the two support covers, so that the internal space of the support covers can be adjusted as required, and the renal artery or the renal vein can be well limited and bound, thereby having good operation effect and being capable of meeting the complex actual operation requirement.
Description
Technical Field
The invention relates to the technical field of kidney transplantation operations, in particular to an external vascular stent for kidney transplantation.
Background
In the kidney transplantation, the renal artery and the renal vein need to be sutured, because the renal artery and the renal vein are in the deep part of pelvis, and the transplanted kidney is not fixed under the abdominal wall, the renal artery is possibly angled, and the blood supply of the transplanted kidney is influenced to the greatest extent.
Through retrieval, the Chinese patent No. CN 208710184U discloses an external blood vessel stent for kidney transplantation, which solves the problem of poor renal artery and renal static support isolation effect in the existing kidney transplantation, and comprises an I-shaped stent, the stent comprises two parallel flat plates, the two flat plates are fixedly connected through a support plate, a horizontal screw rod is rotatably arranged on the stent, two ends of the screw rod respectively penetrate through the support plate, the thread turning directions are opposite, threads at two ends of the screw rod are both in threaded connection with a horizontally sliding nut, and an arc-shaped net rack is fixed at the outer end of each nut; both ends all articulate about every flat board has a backplate, and every nut upper end and lower extreme all are fixed with a telescopic link, and a backplate and a telescopic link slidable of homonymy are connected.
The extravascular stent in the prior art still has the following defects in practical use: when the guard plate in the existing support is used for opening and closing the net rack, the space in the opening of the guard net cannot be adjusted, namely the size of the operation space of the guard net cannot be adjusted according to actual needs, so that the limitation is realized; in addition, the size of the whole stent cannot be adjusted, the distance between a renal artery and a renal vein cannot be conveniently adjusted, and the practical operation requirements of diversity cannot be met, so that the extravascular stent for kidney transplantation is proposed again.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an extravascular stent for kidney transplantation.
In order to achieve the purpose, the invention adopts the following technical scheme:
an external blood vessel stent for kidney transplantation comprises a telescopic piece, wherein the telescopic piece comprises two telescopic plates, one ends, close to each other, of the two telescopic plates are simultaneously in threaded installation with a bidirectional threaded rod, two supporting shields are arranged on the lower side of the telescopic piece, the two supporting shields are regulated and controlled through a driven mechanism, the two driven mechanisms are in transmission fit with a driving mechanism together, each supporting shield comprises two arc-shaped pieces which are matched with each other, and the top end of each arc-shaped piece is rotatably installed with the bottom wall of the telescopic plate;
the arc rotates the installation through the diapire that rotates seat and expansion plate, the arc includes arc and arc claw pole, the top of arc is with to rotate the articulated installation of seat, it is fixed with the diapire of expansion plate to rotate the seat, the bottom of arc is equidistant to be fixed with a plurality of arc claw poles, one a plurality of arc claw poles in the arc and a plurality of arc claw poles intercrossing cooperation in another arc.
Further, the driving mechanism comprises a rotating rod, the top end of the rotating rod is movably installed with a belt groove column, the belt groove column is fixed at the middle part of the two-way threaded rod, a knob is installed at the bottom end of the rotating rod, a first bevel gear is installed at the middle part of the rotating rod, a support is rotatably installed at the bottom end of the rotating rod and located between the first bevel gear and the knob, the two driven mechanisms respectively comprise sliding sleeves, the support is of a U-shaped structure, two ends of the support are rotatably installed with the two sliding sleeves respectively, a second bevel gear is installed at one end, close to the rotating rod, of each sliding sleeve, the second bevel gear is meshed with the first bevel gear, a multifunctional rod is slidably installed inside one end, far away from the sliding sleeves, of the multifunctional rod is rotatably installed with the rotating seat respectively, opposite threads are arranged at two ends of the multifunctional rod, and movable crank arms are installed at two ends of the multifunctional rod in, the bottom end of the movable crank arm is slidably mounted with the side wall of the arc-shaped part.
Further, the bottom of the movable crank arm is hinged with a hinged sliding seat, the hinged sliding seat is installed with the side wall of the arc-shaped part in a sliding mode, and the outer side wall of the arc-shaped plate of the arc-shaped part is provided with a sliding groove matched with the hinged sliding seat.
Furthermore, an annular groove is formed in the side wall of the grooved column, and the top end of the rotating rod slides and is rotatably installed with the grooved column through a limiting block.
Furthermore, a limiting groove is formed in the sliding sleeve, one end of the multifunctional rod extends into the limiting groove and is provided with a polygonal block, the polygonal block is of a square block structure, and the diameter of the polygonal block is larger than that of the multifunctional rod.
Furthermore, the support is rotatably installed with the rotating rod through a limiting pipe, two ends of the support are rotatably installed with the two sliding sleeves through the two limiting rings respectively, and limiting grooves matched with the limiting rings are formed in the end portions of the two sliding sleeves.
Further, the arc claw pole is made for the metal pole that wraps up silica gel.
Furthermore, an auxiliary stop block is arranged between the upper sides of the two arc-shaped pieces in each bracket.
Compared with the prior art, the invention has the beneficial effects that:
1. the support of this scheme can realize adjusting the convenience of support overall dimension through mutually supporting of two expansion plates and two-way threaded rod to satisfy complicated actual operation demand, have more extensive operating range.
2. Two supporting covers of design in this scheme, and two supporting covers can intercrossing for the inner space of supporting cover can be adjusted as required, can be fine to renal artery or renal vein carry on spacing constraint, consequently has fine operation effect, can satisfy actual need more.
To sum up, this scheme can realize convenient regulation to the whole size of support, simultaneously through setting up two branch shields, two support shields can intercrossing for the inner space of a shield can be adjusted as required, can be fine to renal artery or renal vein carry on spacing constraint, consequently has fine operation effect, can satisfy complicated actual operation demand more.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural view of an extravascular stent for kidney transplantation according to the present invention in a closed state;
fig. 2 is a schematic structural view of an extravascular stent for kidney transplantation according to the present invention, which is opened;
FIG. 3 is a schematic view of the overall structure of the arcuate member of the present invention;
FIG. 4 is an enlarged view of a portion a of FIG. 1;
fig. 5 is an enlarged view of a portion b of fig. 1.
In the figure: the device comprises a telescopic plate 1, a bidirectional threaded rod 2, an arc-shaped piece 3, an arc-shaped plate 301, an arc-shaped claw rod 302, a rotating seat 4, a multifunctional rod 5, a movable crank arm 6, a sliding sleeve 7, a grooved column 8, a limiting block 9, a rotating rod 10, a polygonal block 11, a knob 12, a bracket 13, a limiting ring 14, a first bevel gear 15, a second bevel gear 16, an auxiliary stop 17, a limiting pipe 18 and a hinged sliding seat 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, an extravascular stent for kidney transplantation comprises a telescopic piece, wherein the telescopic piece comprises two telescopic plates 1, one ends of the two telescopic plates 1, which are close to each other, are simultaneously in threaded installation with a bidirectional threaded rod 2, and the two telescopic plates 1 can be controlled to be close to or away from each other by rotating the threaded rod 2, so that the size adjustment of the telescopic piece and the whole extravascular stent is realized. Two supporting shields are arranged on the lower side of the telescopic piece, the two supporting shields are regulated and controlled through a driven mechanism, the two driven mechanisms are jointly in transmission fit with a driving mechanism, each supporting shield comprises two arc-shaped pieces 3 which are mutually matched, and the top end of each arc-shaped piece 3 is rotatably installed with the bottom wall of the telescopic plate 1;
The top of arc 301 and the articulated installation of seat 4 rotate, rotate seat 4 and the diapire of expansion plate 1 fixed, the bottom of arc 301 is equidistant to be fixed with a plurality of arc claw poles 302, a plurality of arc claw poles 302 in an arc 3 and a plurality of arc claw poles 302 in another arc 3 intercrossing cooperation. Two arc 3 in each branch guard cover can be through the intercrossing cooperation between the arc claw pole 302 to realize the regulation of its inner space, can carry out more stable spacing constraint to renal artery or renal vein.
An auxiliary stop 17 is also provided between the upper sides of the two arc-shaped parts 3 in each holder. The auxiliary block 17 can be matched with the two arc-shaped parts 3 to form better limit constraint on the renal artery or the renal vein.
In this embodiment, the driving mechanism includes a rotating rod 10, the top end of the rotating rod 10 is movably mounted with a grooved column 8, the grooved column 8 is fixed in the middle of the two-way threaded rod 2, a knob 12 is mounted at the bottom end of the rotating rod 10, a first bevel gear 15 is mounted in the middle of the rotating rod 10, a bracket 13 is rotatably mounted at the bottom end of the rotating rod 10 and at a position between the first bevel gear 15 and the knob 12, both driven mechanisms include sliding sleeves 7, the bracket 13 is U-shaped, both ends of the bracket 13 are rotatably mounted with two sliding sleeves 7 respectively, a second bevel gear 16 is mounted at one end of the sliding sleeve 7 close to the rotating rod 10, the second bevel gear 16 is meshed with the first bevel gear 15, a multifunctional rod 5 is slidably mounted inside the sliding sleeve 7 at one end far from the rotating rod 10, one end of the multifunctional rod 5 far from the sliding sleeve 7 is rotatably mounted with the rotating seat 4 respectively, and opposite threads, the both ends of multi-functional pole 5 are all threaded mounting to be moved crank arm 6, and the bottom of moving crank arm 6 and the lateral wall slidable mounting of arc 3.
The bottom of the movable crank arm 6 is hinged with a hinged sliding seat 19, the hinged sliding seat 19 is slidably mounted with the side wall of the arc-shaped part 3, and the outer side wall of the arc-shaped plate 301 of the arc-shaped part 3 is provided with a sliding groove matched with the hinged sliding seat 19.
The side wall of the grooved column 8 is provided with an annular groove, and the top end of the rotating rod 10 slides and is rotatably installed with the grooved column 8 through a limiting block 9. The rotating rod 10 can rotate relative to the grooved column 8 through the arrangement of the limiting block 9, and can surround the grooved column 8 in a sliding mode when the grooved column rotates.
A limiting groove is formed in the sliding sleeve 7, one end of the multifunctional rod 5 extends into the limiting groove and is provided with a polygonal block 11, the polygonal block 11 is of a square block structure, and the diameter of the polygonal block 11 is larger than that of the multifunctional rod 5. The polygonal block 11 serves to prevent the multifunctional rod 5 from being completely separated from the sliding sleeve 7 and simultaneously restrict the two telescopic plates 1 from being separated from the bidirectional threaded rod 2.
The support 13 is rotatably installed with the rotating rod 10 through a limiting pipe 18, two ends of the support 13 are rotatably installed with the two sliding sleeves 7 through two limiting rings 14 respectively, and limiting grooves matched with the limiting rings 14 are formed in the end portions of the two sliding sleeves 7.
The working principle and the using process of the invention are as follows: the two-way threaded rod 2 can be driven to rotate by rotating the grooved column 8, so that the two-way threaded rod is in threaded fit with the two expansion plates 1, and the size adjustment of the expansion piece and the external vascular stent is realized.
When the grooved column 8 rotates, the grooved column is in sliding connection with the limiting block 9 at the end part of the rotating rod 10 through the annular groove in the side wall, namely, when the grooved column 8 rotates, the rotating rod 10 can be prevented from rotating along with the grooved column.
The rotating knob 12 can drive the rotating rod 10 to rotate, the rotating rod 10 can rotate and support with the support 13 of the U-shaped structure through the limiting pipe 18, the rotating rod 10 can drive the two sliding sleeves 7 to rotate through the meshing of the first bevel gear 15 and the two second bevel gears 16 when rotating, two ends of the support 13 are respectively rotatably installed with the two sliding sleeves 7 through the two limiting rings 14, and the rotating rod 10 rotates through the limiting block 9 and the grooved column 8 when rotating, so that the rotating rod 10 can stably rotate and cannot be influenced by the rotating sliding sleeves 7.
When the sliding sleeve 7 rotates, the multifunctional rod 5 can be driven to rotate through the polygonal block 11, the multifunctional rod 5 is rotatably installed with the rotating seat 4 on the one hand, and can also be rotatably installed with the auxiliary stop block 17, so that the self limit of the multifunctional rod 5 can be realized, and the axial displacement is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. An external vascular stent for kidney transplantation comprises a telescopic piece and is characterized in that the telescopic piece comprises two telescopic plates (1), one ends, close to each other, of the two telescopic plates (1) are in threaded installation with a bidirectional threaded rod (2), two supporting shields are arranged on the lower side of the telescopic piece and are regulated and controlled through a driven mechanism, the two driven mechanisms are in transmission fit with a driving mechanism together, each supporting shield comprises two mutually matched arc-shaped pieces (3), and the top end of each arc-shaped piece (3) is rotatably installed with the bottom wall of the telescopic plate (1);
arc (3) are installed through the diapire rotation of rotating seat (4) and expansion plate (1), arc (3) include arc (301) and arc claw pole (302), the top and the articulated installation of rotation seat (4) of arc (301), it is fixed with the diapire of expansion plate (1) to rotate seat (4), the bottom of arc (301) is equidistant to be fixed with a plurality of arc claw poles (302), one a plurality of arc claw poles (302) in arc (3) and a plurality of arc claw poles (302) in another arc (3) intercross cooperation.
2. The intravascular external stent for kidney transplantation according to claim 1, wherein the driving mechanism comprises a rotating rod (10), the top end of the rotating rod (10) is movably installed with a grooved column (8), the grooved column (8) is fixed in the middle of a bidirectional threaded rod (2), a knob (12) is installed at the bottom end of the rotating rod (10), a first bevel gear (15) is installed in the middle of the rotating rod (10), a bracket (13) is installed at the bottom end of the rotating rod (10) and located between the first bevel gear (15) and the knob (12) in a rotating manner, the two driven mechanisms comprise sliding sleeves (7), the bracket (13) is of a U-shaped structure, the two ends of the bracket (13) are respectively installed with the two sliding sleeves (7) in a rotating manner, a second bevel gear (16) is installed at one end, close to the rotating rod (10), of the sliding sleeves (7), and second bevel gear (16) and first bevel gear (15) intermeshing, the inside slidable mounting that bull stick (10) one end was kept away from in sliding sleeve (7) has multi-functional pole (5), the one end that sliding sleeve (7) were kept away from in multi-functional pole (5) rotates the installation with rotation seat (4) respectively, and the both ends of multi-functional pole (5) are equipped with the opposite thread that gets of line, the equal screw thread in both ends of multi-functional pole (5) is installed and is removed crank arm (6), the bottom of removing crank arm (6) and the lateral wall slidable mounting of arc (3).
3. The extravascular stent for kidney transplantation according to claim 1 or 2, wherein the bottom end of the movable crank arm (6) is hinged with a hinged sliding seat (19), the hinged sliding seat (19) is slidably mounted with the side wall of the arc-shaped piece (3), and the arc-shaped piece (3) is provided with a sliding groove matched with the hinged sliding seat (19) on the outer side wall of the arc-shaped plate (301).
4. The extravascular stent for kidney transplantation according to claim 2, wherein the side wall of the slotted column (8) is provided with a circular slot, and the top end of the rotating rod (10) is slidably and rotatably installed with the slotted column (8) through a limiting block (9).
5. The extravascular stent for kidney transplantation according to claim 2, wherein a limit groove is formed in the sliding sleeve (7), one end of the multifunctional rod (5) extends into the limit groove and is provided with a polygonal block (11), the polygonal block (11) is of a square block structure, and the diameter of the polygonal block (11) is larger than that of the multifunctional rod (5).
6. The extravascular stent for kidney transplantation according to claim 2, wherein the stent (13) is rotatably mounted with the rotating rod (10) through a limiting tube (18), two ends of the stent (13) are respectively rotatably mounted with two sliding sleeves (7) through two limiting rings (14), and the end parts of the two sliding sleeves (7) are respectively provided with a limiting groove matched with the limiting rings (14).
7. The extravascular stent for kidney transplantation according to claim 1, wherein the arc-shaped claw rods (302) are made of metal rods wrapped with silica gel.
8. An extravascular stent for kidney transplantation according to claim 1, wherein an auxiliary stop (17) is also provided between the upper sides of the two arc-shaped members (3) in each stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011460122.0A CN112472315B (en) | 2020-12-11 | 2020-12-11 | A extravascular stent for kidney is transplanted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011460122.0A CN112472315B (en) | 2020-12-11 | 2020-12-11 | A extravascular stent for kidney is transplanted |
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| Publication Number | Publication Date |
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| CN112472315A true CN112472315A (en) | 2021-03-12 |
| CN112472315B CN112472315B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011460122.0A Active CN112472315B (en) | 2020-12-11 | 2020-12-11 | A extravascular stent for kidney is transplanted |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081079A (en) * | 2021-03-30 | 2021-07-09 | 中国科学院生态环境研究中心 | Blood bridge limiter |
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| CN111772821A (en) * | 2020-07-23 | 2020-10-16 | 川北医学院附属医院 | Orthopedics fixing forceps of restoreing of accurate location upper limbs wound |
| CN211985727U (en) * | 2020-03-23 | 2020-11-24 | 烟台毓璜顶医院 | Auxiliary limb supporting device for obstetrical department |
| CN212037651U (en) * | 2019-12-24 | 2020-12-01 | 王爽爽 | Vascular clamp device for vascular surgery |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3005957A1 (en) * | 2014-10-09 | 2016-04-13 | CARDIOMEDICAL GmbH | Surgical instrument |
| CN207693629U (en) * | 2017-04-06 | 2018-08-07 | 王景太 | A kind of vascular surgery haemostat |
| CN212037651U (en) * | 2019-12-24 | 2020-12-01 | 王爽爽 | Vascular clamp device for vascular surgery |
| CN211985727U (en) * | 2020-03-23 | 2020-11-24 | 烟台毓璜顶医院 | Auxiliary limb supporting device for obstetrical department |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113081079A (en) * | 2021-03-30 | 2021-07-09 | 中国科学院生态环境研究中心 | Blood bridge limiter |
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