CN209464130U - A kind of medical treatment vena cave operation filter clamp - Google Patents
A kind of medical treatment vena cave operation filter clamp Download PDFInfo
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- CN209464130U CN209464130U CN201920018683.1U CN201920018683U CN209464130U CN 209464130 U CN209464130 U CN 209464130U CN 201920018683 U CN201920018683 U CN 201920018683U CN 209464130 U CN209464130 U CN 209464130U
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- outer tube
- head end
- clip
- filter
- sliding block
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Abstract
The utility model discloses a kind of medical vena cave operation filter clamps, it mainly include outer tube, extension, spiral wire, push knob, first sliding block, first rigid connecting rod and the first head end clip, the utility model relates to medical surgical instrument technical fields, vena cave operation is easy to use with filter clamp, it is easy to operate, realize the opening and closing of the first head end clip and the second head end clip, filter pintle can flexibly be clamped, by adjusting push knob, it can be slight curving to change the direction of head end clip, it is accurately positioned effectively contact filter pintle, and pass through the effect of knob and screw thread, the strength of clamp can be locked from without loosening with sliding block by push knob, cooperated by component thereon, it efficiently solves filter when taking out after existing vena cava filter is placed and places inclination or recovering hook There is thrombus at place, and existing snare operability is poor, thus often results in the difficult problem of serious filter recycling.
Description
Technical field
The utility model relates to medical surgical instrument technical field, specially a kind of medical vena cave operation is clamped with filter
Folder.
Background technique
Vena cava filter is a kind of medical filter.Pulmonary embolism is clinical incidence, the higher acute disease of the death rate,
In the U.S., etesian Symptomatic pulmonary embolism case load is up to 57~630,000, wherein 200,000 lead to death, although whole body
Anticoagulant therapy can obtain some curative effects, but still have 3-20% that pulmonary embolism again occurs, and anticoagulant therapy itself also has
26% complication, wherein 5-12% is mortality complication；Some patients cannot receive anticoagulant therapy, and such as acute bleeding disappears
Before change road ulcer, primary or metastatic tumo(u)r (especially intracranial tumors), gestation, operative treatment etc..
Existing vena cava filter needs to entangle filter distal end after placing using snare and carries out recovering hook progress when taking out
Recycling, but have thrombus at the inclination of filter placement sometimes or recovering hook, and its front end of existing snare does not have movable member, operation
Property it is poor, it is all extremely difficult to turn to and hook recovering hook, thus it is difficult to often result in the recycling of serious filter, in consideration of it, for above-mentioned
Problem further investigation, there is this case generation then.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of medical vena cave operation filter clamp, solves
Existing vena cava filter needs to entangle filter distal end after placing using snare when taking out carries out recovering hook and is recycled, but
Sometimes filter, which is placed, thrombus at inclination or recovering hook, and its front end of existing snare does not have movable member, and operability is poor, turns
To and hook that recovering hook is all extremely difficult, thus often result in the difficult problem of serious filter recycling.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of medical treatment vena cave operation
It mainly include outer tube, extension, spiral wire, push knob, the first sliding block, the first rigid connecting rod and the with filter clamp
One head end clip, the outer tube back-end offer through hole, and the extension is plugged in outer tube back-end through hole, the outer tube
Front end is provided with one end notch, and the spiral wire is connected to outer tube notch both ends, and the outer tube is offered close to extension one end
First external thread structure, the push knob spiral are connected on outer tube, and can be rotationally advancing on the first external thread structure or
It retreats, offers through slot in the outer tube circumferential wall, first sliding block is movably installed in through slot, and passes through the first hardness
Connecting rod connects below the first sliding block and outer tube front end, the first head end clip are installed in the front face of outer tube front end；
A kind of medical treatment vena cave operation filter clamp, further include: the second sliding block, the second rigid connecting rod, rotary moveable
Joint and the second head end clip；
The extension outside wall surface offers the second external thread structure, and second slipper screw is set in the second external screw thread
In structure, the described second rigid connecting rod is installed in extension, and sliding slot, the described second rigid connecting rod are offered on the extension
Rear end straight cutting is flexibly connected in sliding slot with the second sliding block internal cavity position, and the second head end clip is movably installed in
On one head end clip, and its end is connect by rotary moveable joint with the second hardness connecting rod front end, and the second head end clip can be
It is swung on first head end clip.
Preferably, the second head end clip is installed on the first head end clip by bearing, and front end half is exposed outer
Pipe, front end can change the relative distance with the first head end clip front end around roll bearing swing.
Preferably, the outer tube is the smooth hollow cylindrical structure in surface, and its diameter is between 2.5-3mm, outer spiral shell
The front end distance of line structure front end distance the first head end clip is 800mm.
Preferably, the front end of the first head end clip and the second head end clip is hook-like configuration, hook-like configuration end
For hemispherical.
Preferably, the push knob is hollow cylinder structure, both ends is entangled by a pair of of annular slab, with the first helicitic texture
Spiral connection, the first sliding block are located between a pair of of annular slab of push knob.
Preferably, the extension pipe diameter is less than outer tube diameter, and is cavity structure, and planar central offers through-hole.
Beneficial effect
The utility model provides a kind of medical vena cave operation filter clamp.Have following the utility model has the advantages that the chamber is quiet
Arteries and veins operation is easy to use with filter clamp, easy to operate, realizes the opening and closing of the first head end clip and the second head end clip,
Filter pintle can be flexibly clamped, can be slight curving to change the direction of head end clip by adjusting push knob, essence
It determines that position effectively contacts filter pintle, and passes through the effect of knob and screw thread, it can be with locking pliers by push knob and sliding block
The strength of folder is cooperated from without loosening by component thereon, after efficiently solving existing vena cava filter placement
It needs to entangle progress recovering hook in filter distal end when taking-up using snare to be recycled, but filter places inclination or recovering hook sometimes
There is thrombus at place, and its front end of existing snare does not have movable member, and operability is poor, and it is all very tired to turn to and hook recovering hook
Difficulty, thus often result in the difficult problem of serious filter recycling.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view that filter clamp is used in a kind of medical vena cave operation described in the utility model.
Fig. 2 is the surface structure schematic diagram that filter clamp is used in a kind of medical vena cave operation described in the utility model.
Fig. 3 is the side structure schematic view that filter clamp is used in a kind of medical vena cave operation described in the utility model.
In figure: 1, outer tube；2, extension；3, spiral wire；4, knob is pushed；5, the first sliding block；6, the first rigid connecting rod；
7, the first head end clip；8, the second sliding block；9, the second rigid connecting rod；10, rotary moveable joint；11, the second head end clip.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of medical treatment vena cave operation filter clamp,
It mainly include outer tube 1, extension 2, spiral wire 3, push knob 4, first the 5, first rigid connecting rod 6 of sliding block and the first head end
Clip 7,1 rear end of outer tube offer through hole, and the extension 2 is plugged in 1 rear end through hole of outer tube, the outer tube 1
Front end is provided with one end notch, and the spiral wire 3 is connected to 1 notch both ends of outer tube, and the outer tube 1 is opened close to 2 one end of extension
Equipped with the first external thread structure, 4 spiral of push knob is connected on outer tube 1, and can be rotated on the first external thread structure
It moves forward or back, offers through slot in 1 circumferential wall of outer tube, first sliding block 5 is movably installed in through slot, and is passed through
First rigid connecting rod 6 connects 5 lower section of the first sliding block and 1 front end of outer tube, the first head end clip 7 are installed on 1 front end of outer tube
In front face；A kind of medical treatment vena cave operation filter clamp, further include: second the 8, second rigid connecting rod 9 of sliding block, rotation are lived
Movable joint 10 and the second head end clip 11；2 outside wall surface of extension offers the second external thread structure, second sliding block
Loaded on the second external thread structure, the described second rigid connecting rod 9 is installed in extension 28 screw-casings, is opened on the extension 2
Equipped with sliding slot, the second rigid 9 rear end straight cutting of connecting rod is flexibly connected, institute in sliding slot with 8 internal cavity position of the second sliding block
It states the second head end clip 11 to be movably installed on the first head end clip 7, and its end is hard by rotary moveable joint 10 and second
Property the connection of 9 front end of connecting rod, the second head end clip 11 can swing on the first head end clip 7；The second head end clip 11 passes through
Bearing is installed on the first head end clip 7, and front end half exposes outer tube 1, and front end can change and first around roll bearing swing
Hold the relative distance of 7 front end of clip；The outer tube 1 is the smooth hollow cylindrical structure in surface, and its diameter 2.5-3mm it
Between, the front end distance of external thread structure front end the first head end of distance clip 7 is 800mm；The first head end clip 7 and second
The front end of head end clip 11 is hook-like configuration, and hook-like configuration end is hemispherical；The push knob 4 is hollow cylinder structure,
Both ends are entangled by a pair of of annular slab, are connect with the first helicitic texture spiral, the first sliding block 5 is located at a pair of annular of push knob 4
Between plate；2 diameter of extension is less than 1 diameter of outer tube, and is cavity structure, and planar central offers through-hole.
Under be classified as the explanation of the first head end clip in this case, the second head end clip and outer tube shape and material；
First head end clip: the front end of steel material is the plate that hook formation rear end is open-ended hollow cylinder splicing
Block, for installing the second head end clip, the front end opening and closing of hook formation are realized in the two cooperation, for clamping filter tail
Hook.
Second head end clip: having the front end hook formation rear end of bearing for the clip of strip structure among steel material, with
Filter pintle is clamped in the cooperation of first head end clip.
Outer tube: the tail end of steel material connected with spiral wire is provided with helicitic texture and centre is provided with through slot and is provided with open circles
Pipe, for installing internal drive structure and providing the workbench of the first head end clip and the second head end clip, specific hand
Has the function of elongation when art.
By those skilled in the art, the components in this case are successively attached, specific connection and operation order, Ying Can
Following working principles are examined, detailed connection means are techniques well known, following mainly to introduce working principle and process.
Embodiment: according to Figure of description 1-3,1 rear end of outer tube offers through hole, and extension 2 is plugged in 1 rear end of outer tube
In through hole, through hole sliding extension can be prolonged, 1 front end of outer tube is provided with one end notch, and spiral wire 3 is connected to 1 notch two of outer tube
End, 1 front-end and back-end of outer tube are connected by spiral wire 3, spiral wire 3 can slight deformation, outer tube 1 is close to 2 one end of extension
Offer the first external thread structure, push 4 spiral of knob is connected on outer tube 1, and before can rotating on the first external thread structure
Into or retreat, offer through slot in 1 circumferential wall of outer tube, the first sliding block 5 is movably installed in through slot, and even by the first hardness
Bar 6 connects the lower section of the first sliding block 5 and 1 front end of outer tube, the first head end clip 7 are installed in 1 front end front face of outer tube, when use
Outer tube 1 is inserted into vein, with the pintle of its front end alignment vena cava filter, knob 4 is pushed in the first helicitic texture by rotation
Upper rotation, it is mobile to side, and push the first sliding block 5 in it to be displaced, and drive the in outer tube 1 first rigid connecting rod 6
The spiral wire 3 stretched between 1 front and rear end of outer tube makes its slight deformation, so push the first head end clip 7 of front end into
The angle adjustment of row by a small margin, can be accurately positioned and conveniently hook filter pintle；2 outside wall surface of extension offers the second outer spiral shell
Line structure, loaded on the second external thread structure, the second rigid connecting rod 9 is installed in extension 28 screw-casing of the second sliding block, and its
Rear end is connect with the second sliding block 8, and the second head end clip 11 is movably installed on the first head end clip 7, and its end passes through rotation
Turning joint 10 is connect with the second rigid 9 front end of connecting rod, and the second head end clip 11 can be swung on the first head end clip 7, when the
After one head end clip 7 contacts filter pintle, by the second sliding block 8 on rotation extension 2, make the first head end clip 7 and second
After the pincers of head end clip 11 clamp filter, the strength of clamp can be locked to go out by push knob 4 and the second sliding block 8
It now loosens, the second rigid connecting rod 9 is driven to retreat, so that the second rigid connecting rod 9 is pulled back the second head end clip 11, move back after rotation
In the process, the second head end clip 11 is mobile when rotary moveable joint 10 rotates second connecting rod but is not involved in rotation, and second
Head end clip 11 is moved to the first head end clip 7, and the two is closed and then clamps filter pintle, is pulled back outer tube 1, can be taken out
Filter.
Preferably, further, the second head end clip 11 is installed on the first head end clip 7 by bearing,
Its front end half exposes outer tube 1, and front end can change the relative distance with 7 front end of the first head end clip around roll bearing swing.
Preferably, further, outer tube 1 is the smooth hollow cylindrical structure in surface, and its diameter exists
Between 2.5-3mm, meet human vein width, avoids injury human body.
Preferably, further, the front end of the first head end clip 7 and the second head end clip 11 is hook knot
Structure, hook-like configuration end are hemispherical, while playing preferable fixed function, avoid clip tip damages filter.
Preferably, further, push knob 4 is hollow cylinder structure, entangles both ends by a pair of of annular slab,
It is connect with the first helicitic texture spiral, the first sliding block 5 is located between a pair of of annular slab of push knob 4, so that push knob 4 exists
It can be with the first sliding block of linear pushing 5 during swing offset.
Preferably, further, 2 diameter of extension is less than 1 diameter of outer tube, and is cavity structure, plane
Center offers through-hole, facilitates the rigid connecting rod 9 of installation second.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of medical treatment vena cave operation filter clamp, mainly includes outer tube (1), extension (2), spiral wire (3), push
Knob (4), the first sliding block (5), the first rigid connecting rod (6) and the first head end clip (7), which is characterized in that the outer tube (1)
Rear end offers through hole, and the extension (2) is plugged in the through hole of outer tube (1) rear end, and outer tube (1) front end is provided with one
Notch is held, the spiral wire (3) is connected to outer tube (1) notch both ends, and the outer tube (1) opens up close to extension (2) one end
There is the first external thread structure, push knob (4) spiral is connected on outer tube (1), and can be revolved on the first external thread structure
Turning to move forward or back, offers through slot in outer tube (1) circumferential wall, first sliding block (5) is movably installed in through slot,
And the first sliding block (5) lower section and outer tube (1) front end, the first head end clip (7) peace are connected by the first rigid connecting rod (6)
Loaded in the front face of outer tube (1) front end；
A kind of medical treatment vena cave operation filter clamp, further include: the second sliding block (8), the second rigid connecting rod (9), rotation are lived
Movable joint (10) and the second head end clip (11)；
Extension (2) outside wall surface offers the second external thread structure, and the second sliding block (8) screw-casing is loaded on the second outer spiral shell
In line structure, the described second rigid connecting rod (9) is installed in extension (2), offers sliding slot on the extension (2), described
Second rigid connecting rod (9) rear end straight cutting is flexibly connected, described second in sliding slot with the second sliding block (8) internal cavity position
End clip (11) is movably installed on the first head end clip (7), and its end passes through rotary moveable joint (10) and the second hardness
The connection of connecting rod (9) front end, the second head end clip (11) can be swung on the first head end clip (7).
2. a kind of medical vena cave operation filter clamp according to claim 1, which is characterized in that second head end
Clip (11) is installed on the first head end clip (7) by bearing, and front end half exposes outer tube (1), and front end can be around bearing
It swings, changes the relative distance with first head end clip (7) front end.
3. a kind of medical vena cave operation filter clamp according to claim 1, which is characterized in that the outer tube (1)
For the hollow cylindrical structure that surface is smooth, and its diameter is between 2.5-3mm, external thread structure front end the first head end of distance folder
The front end distance of sub (7) is 800mm.
4. a kind of medical vena cave operation filter clamp according to claim 2, which is characterized in that first head end
The front end of clip (7) and the second head end clip (11) is hook-like configuration, and hook-like configuration end is hemispherical.
5. a kind of medical vena cave operation filter clamp according to claim 1, which is characterized in that the push knob
(4) it is hollow cylinder structure, both ends is entangled by a pair of of annular slab, are connect with the first helicitic texture spiral, the first sliding block (5) is located at
Between a pair of of the annular slab for pushing knob (4).
6. a kind of medical vena cave operation filter clamp according to claim 1, which is characterized in that the extension
(2) diameter is less than outer tube (1) diameter, and is cavity structure, and planar central offers through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920018683.1U CN209464130U (en) | 2019-01-07 | 2019-01-07 | A kind of medical treatment vena cave operation filter clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920018683.1U CN209464130U (en) | 2019-01-07 | 2019-01-07 | A kind of medical treatment vena cave operation filter clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209464130U true CN209464130U (en) | 2019-10-08 |
Family
ID=68092727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920018683.1U Active CN209464130U (en) | 2019-01-07 | 2019-01-07 | A kind of medical treatment vena cave operation filter clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209464130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134901A (en) * | 2020-02-27 | 2020-05-12 | 孟会琴 | Traceless implanting device for nasal bone prosthesis and using method of traceless implanting device |
-
2019
- 2019-01-07 CN CN201920018683.1U patent/CN209464130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134901A (en) * | 2020-02-27 | 2020-05-12 | 孟会琴 | Traceless implanting device for nasal bone prosthesis and using method of traceless implanting device |
| CN111134901B (en) * | 2020-02-27 | 2021-12-07 | 宁波珈禾整形专科医院有限公司 | Traceless implanting device for nasal bone prosthesis and using method of traceless implanting device |
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