CN220546339U - Inferior vena cava filter recovery forceps - Google Patents
Inferior vena cava filter recovery forceps Download PDFInfo
- Publication number
- CN220546339U CN220546339U CN202321883706.8U CN202321883706U CN220546339U CN 220546339 U CN220546339 U CN 220546339U CN 202321883706 U CN202321883706 U CN 202321883706U CN 220546339 U CN220546339 U CN 220546339U
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- Prior art keywords
- positioning
- fixedly connected
- barrel
- sliding
- plate
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Links
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 210000001631 vena cava inferior Anatomy 0.000 title claims description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004064 recycling Methods 0.000 claims 4
- 210000003462 vein Anatomy 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a lower vena cava filter recovery clamp, which relates to the technical field of vein filter recovery and comprises a barrel body, wherein the inner wall of an opening end is a spherical rotary groove; the spherical rotating column is rotatably arranged in the spherical rotating groove and is provided with a through hole penetrating through the spherical rotating column; the positioning sleeve is fixedly connected to the spherical rotating column and is communicated with the through hole; the positioning barrel is fixedly connected to the positioning sleeve and is communicated with the positioning sleeve; one end of the two chucks is respectively rotatably arranged in the positioning barrel, and the other end of the two chucks extends out of the positioning barrel; the utility model has the advantages of convenient use, high safety and the like.
Description
Technical Field
The utility model relates to the technical field of vein filter recovery, in particular to a lower vena cava filter recovery clamp.
Background
The inferior vena cava filter needs to be recovered in the using process, and the existing recovery mode mainly comprises the step of recovering the inferior vena cava filter through a recovery clamp;
as disclosed in patent application number CN201920018683.1, a filter jaw for medical vena cava surgery is disclosed, which enables a filter tail hook to be flexibly clamped by opening and closing a first head end clip and a second head end clip, and can be slightly bent by adjusting a pushing knob so as to change the direction of the head end clip, so that the filter tail hook is accurately positioned and effectively contacted;
however, in the using process of the patent, once the operation force is too large, the bending of the spiral steel wire is increased, the gap between the steel wires is increased after the bending amount of the spiral steel wire is increased, and at the moment, once human tissues enter the steel wire gap, the spiral steel wire is easy to be caught, so that the operation safety is low.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a lower vena cava filter recovery clamp, which aims to solve the problems of low safety and difficult control when the lower vena cava filter recovery clamp is used in the prior art described in the background technology.
In order to achieve the above object, the present utility model provides the following technical solutions: a inferior vena cava filter recovery clamp, comprising
The inner wall of the opening end of the barrel body is a spherical rotary groove;
the spherical rotating column is rotatably arranged in the spherical rotating groove and is provided with a through hole penetrating through the spherical rotating column;
the positioning sleeve is fixedly connected to the spherical rotating column and is communicated with the through hole;
the positioning barrel is fixedly connected to the positioning sleeve and is communicated with the positioning sleeve;
one end of each chuck is rotatably arranged in the positioning barrel, and the other end extends out of the positioning barrel.
Preferably: one end of the chuck, which is positioned in the positioning barrel, is fixedly connected with a positioning plate, the positioning plate is fixedly connected with the inner wall of the positioning barrel through a first spring, a push plate is movably arranged in the positioning barrel, and the push plate is positioned between the two positioning plates and is used for extruding the positioning plates to move.
Preferably: the push plate is in sliding contact with inner walls at two opposite sides in the positioning barrel, a first pull rope is fixedly connected to the push plate, penetrates through the positioning sleeve and the through hole and is fixedly connected with the pull rod, the pull rod penetrates through the bottom of the barrel in a sliding mode, the pull rod is I-shaped, and the pull rod is fixedly connected with the inner wall of the barrel through a second spring.
Preferably: and the two opposite side walls of the inner circumferential wall of the positioning sleeve are respectively fixedly connected with a second pull rope, one end of the second pull rope, which is far away from the positioning sleeve, is respectively fixedly connected with a sliding plate, and the sliding plate is movably arranged on the side wall of the barrel body.
Preferably: the sliding plate is L-shaped, a sliding hole is formed in the barrel body corresponding to the sliding plate, one end of the sliding plate penetrates through the sliding hole in a sliding mode, a positioning ring is fixedly connected in the barrel body, the positioning ring is fixedly connected with the sliding plate through a third spring, and the first pull rope penetrates through the positioning ring in a sliding mode.
The beneficial effects of adopting above technical scheme are:
this application can pull the position sleeve through two slide through the second stay cord for the position sleeve can pull spherical spliced pole and rotate in spherical rotary groove, makes the relative staving slope of location bucket, and moves through the first stay cord pulling push pedal of pull rod cooperation, makes the push pedal promote the locating plate, makes the locating plate drive the chuck and rotates, so that two chucks can the centre gripping vena cava filter down, and this application uses and is high to the regulation security of chuck position, can not pinch injury human tissue.
Drawings
Fig. 1 is a front view of a inferior vena cava filter recovery clamp of the utility model.
Fig. 2 is a cross-sectional view of a inferior vena cava filter recovery clamp of the utility model.
Wherein: barrel 10, spherical rotary groove 11, spherical rotary column 20, through hole 21, positioning barrel 30, positioning sleeve 31, chuck 40, positioning plate 41, first spring 42, push plate 50, limiting ring 51, first stay 52, pull rod 53, second spring 54, second stay 60, slide plate 61, slide hole 62, third spring 63, and positioning ring 64.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-2, in a first embodiment, a inferior vena cava filter recovery clamp comprises a barrel body 10, wherein the inner wall of an opening end is a spherical rotary groove 11; a spherical rotating column 20 rotatably disposed in the spherical rotating groove 11, wherein the spherical rotating column 20 has a through hole 21 penetrating the spherical rotating column 20; a positioning sleeve 31 fixedly connected to the spherical rotary column 20 and communicated with the through hole 21; the positioning barrel 30 is fixedly connected to the positioning sleeve 31 and is communicated with the positioning sleeve 31; two chucks 40, one end of which is rotatably disposed in the positioning barrel 30 and the other end of which extends out of the positioning barrel 30, respectively.
The present embodiment is implemented as follows:
when the device is used, the positioning sleeve 31 can be driven to rotate by the spherical rotating column 20 to rotate in the spherical rotating groove 11, the positioning sleeve 31 drives the positioning barrel 30 to rotate, the two chucks 40 can be adjusted to rotate the positioning barrel 30, and the chucks 40 can be enabled to extend out of one end of the positioning barrel 30 to clamp the inferior vena cava filter by the rotation of the two chucks 40.
The application has the advantages of high safety compared with the prior art
Referring to fig. 2, one end of the chuck 40 located in the positioning barrel 30 is fixedly connected with a positioning plate 41, the positioning plate 41 is fixedly connected with the inner wall of the positioning barrel 30 through a first spring 42, a push plate 50 is movably arranged in the positioning barrel 30, the push plate 50 is located between the two positioning plates 41 and used for extruding the positioning plates 41 to move, the two positioning plates 41 can be pushed by the push plate 50 so that the two positioning plates 41 drive the chuck 40 to rotate, at the moment, the first spring 42 is compressed by the positioning plates 41, the chuck 40 rotates to realize clamping, when the push plate 50 is released, the positioning plates 41 return to the original position due to the reaction force of the first spring 42, and the positioning plates 41 push the push plate 50 to return to the original position.
Referring to fig. 1 and 2, the push plate 50 is in sliding contact with two opposite inner walls of the positioning barrel 30, a first pull rope 52 is fixedly connected to the push plate 50, the first pull rope 52 penetrates through the positioning sleeve 31 and the through hole 21 and is fixedly connected with a pull rod 53, the pull rod 53 penetrates through the bottom of the barrel 10 in a sliding manner, the pull rod 53 is in an i shape, the pull rod 53 is fixedly connected with the inner wall of the barrel 10 through a second spring 54, the first pull rope 52 can be pulled through the pull rod 53, the push plate 50 is pulled by the first pull rope 52, the second spring 54 is compressed in the pulling process, and the second spring 54 can enable the pull rod 53 to return to the original position.
Referring to fig. 1 and 2, the opposite side walls of the inner circumferential wall of the positioning sleeve 31 are fixedly connected with second pull ropes 60 respectively, one ends of the second pull ropes 52, which are far away from the positioning sleeve 31, are fixedly connected with sliding plates 61 respectively, the sliding plates 61 are movably arranged on the side walls of the barrel 10, and the positioning sleeve 31 can be pulled by pulling the sliding plates 61 through the second pull ropes 52, so that the positioning sleeve 31 is inclined to one side.
Referring to fig. 2, the sliding plate 61 is L-shaped, a sliding hole 62 is formed on the barrel 10 corresponding to the sliding plate 61, one end of the sliding plate 61 is slidably inserted through the sliding hole 62, a positioning ring 64 is fixedly connected in the barrel 10, the positioning ring 64 is fixedly connected with the sliding plate 61 through a third spring 63, the first pull rope 52 is slidably inserted through the positioning ring 64, when one side of the sliding plate 61 is pulled, the third spring 63 on the side is compressed, and the third spring 63 on the other side is gradually restored to the original state, so that the inclination of the positioning sleeve 31 is maintained; in this application, both the third springs 63 are in an elongated state when not in use.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which fall within the scope of the present utility model.
Claims (5)
1. A inferior vena cava filter recovery clamp, comprising
The inner wall of the opening end of the barrel body is a spherical rotary groove;
the spherical rotating column is rotatably arranged in the spherical rotating groove and is provided with a through hole penetrating through the spherical rotating column;
the positioning sleeve is fixedly connected to the spherical rotating column and is communicated with the through hole;
the positioning barrel is fixedly connected to the positioning sleeve and is communicated with the positioning sleeve;
one end of each chuck is rotatably arranged in the positioning barrel, and the other end extends out of the positioning barrel.
2. The inferior vena cava filter recycling pliers according to claim 1, wherein one end of the clamping head positioned in the positioning barrel is fixedly connected with a positioning plate, the positioning plate is fixedly connected with the inner wall of the positioning barrel through a first spring, a push plate is movably arranged in the positioning barrel, and the push plate is positioned between the two positioning plates and used for extruding the positioning plates to move.
3. The inferior vena cava filter recycling pliers according to claim 2, wherein the pushing plate is in sliding contact with two opposite inner walls in the positioning barrel, the pushing plate is fixedly connected with a first pull rope, the first pull rope penetrates through the positioning sleeve and the through hole and is fixedly connected with the pull rod, the pull rod penetrates through the bottom of the barrel body in a sliding manner, the pull rod is I-shaped, and the pull rod is fixedly connected with the inner wall of the barrel body through a second spring.
4. The inferior vena cava filter recycling forceps according to claim 3, wherein the two opposite side walls of the inner circumference wall of the positioning sleeve are respectively fixedly connected with a second pull rope, one end of the second pull rope far away from the positioning sleeve is respectively fixedly connected with a sliding plate, and the sliding plate is movably arranged on the side wall of the barrel body.
5. The inferior vena cava filter recycling clamp according to claim 4, wherein the sliding plate is L-shaped, a sliding hole is formed on the barrel body corresponding to the sliding plate, one end of the sliding plate penetrates through the sliding hole in a sliding manner, a positioning ring is fixedly connected in the barrel body, the positioning ring is fixedly connected with the sliding plate through a third spring, and the first pull rope penetrates through the positioning ring in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321883706.8U CN220546339U (en) | 2023-07-18 | 2023-07-18 | Inferior vena cava filter recovery forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321883706.8U CN220546339U (en) | 2023-07-18 | 2023-07-18 | Inferior vena cava filter recovery forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220546339U true CN220546339U (en) | 2024-03-01 |
Family
ID=90004817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321883706.8U Active CN220546339U (en) | 2023-07-18 | 2023-07-18 | Inferior vena cava filter recovery forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220546339U (en) |
-
2023
- 2023-07-18 CN CN202321883706.8U patent/CN220546339U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |