CN109620466A - The one-piece type vena cava filter of one kind three - Google Patents
The one-piece type vena cava filter of one kind three Download PDFInfo
- Publication number
- CN109620466A CN109620466A CN201811546598.9A CN201811546598A CN109620466A CN 109620466 A CN109620466 A CN 109620466A CN 201811546598 A CN201811546598 A CN 201811546598A CN 109620466 A CN109620466 A CN 109620466A
- Authority
- CN
- China
- Prior art keywords
- seal wire
- sleeve pipe
- protection sleeve
- filter body
- vena cava
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 26
- 239000003550 marker Substances 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 208000010378 Pulmonary Embolism Diseases 0.000 description 4
- 241000463219 Epitheca Species 0.000 description 3
- 239000003146 anticoagulant agent Substances 0.000 description 3
- 229940127219 anticoagulant drug Drugs 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007913 intrathecal administration Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 208000030090 Acute Disease Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 229910000846 In alloy Inorganic materials 0.000 description 1
- 244000261422 Lysimachia clethroides Species 0.000 description 1
- 240000002825 Solanum vestissimum Species 0.000 description 1
- 235000018259 Solanum vestissimum Nutrition 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 230000001394 metastastic effect Effects 0.000 description 1
- 206010061289 metastatic neoplasm Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2/011—Instruments for their placement or removal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2002/016—Filters implantable into blood vessels made from wire-like elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
Abstract
The invention discloses the one-piece type vena cava filters of one kind three, including filter body, releasable device, seal wire, protection sleeve pipe, dead-man's handle, the filter body is made of the inverted cone that memory alloy wire is coiled into, the filter body lower end inverted cone apex memory alloy wire is equipped with releasable device, the releasable device is detachably connected with filter body, the releasable device lower end is connected with seal wire, the seal wire extends through out protection sleeve pipe end from protection sleeve pipe inner passage, the present invention is by setting the inverted cone structure that one whole memory alloy wire is coiled into for filter body, in the entrance protection sleeve pipe for enabling filter body to act freely, vena cava filter is set to can be realized collection temporarily by the way that releasable device is arranged, permanent and recyclable three types are integrated, it is applied widely, It is easy to operate, the usage mode of vena cava filter can be selected according to patient profiles in clinical use.
Description
[technical field]
The present invention relates to the technical field of vena cava filter, especially three with the technical field of one-piece type vena cava filter.
[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, gestation, operative treatment etc., vena cava filter is passed for preventing pulmonary embolism
System vena cava filter is divided into interim, permanent and recyclable three types, and vena cava filter is needed in use according to patient's feelings
Condition chooses whether for vena cava filter to be left permanently in patient's body or taking-up, and existing vena cava filter is unable to satisfy.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, one kind three one-piece type vena cava filter, energy are proposed
Enough integrate interim, permanent and recyclable three types, it is applied widely, it is easy to operate, it can be in clinical use according to trouble
The usage mode of person's situation selection vena cava filter.
To achieve the above object, the invention proposes one kind three with one-piece type vena cava filter, including filter body, can solve
De- device, seal wire, protection sleeve pipe, dead-man's handle, the filter body are added by the cylinder that one whole memory alloy wire is coiled into
Inverted cone is constituted, and the filter body lower end inverted cone apex memory alloy wire is equipped with releasable device, described
Releasable device be detachably connected with filter body, the releasable device lower end is connected with seal wire, the seal wire from
Protection sleeve pipe inner passage extends through out protection sleeve pipe end, and the seal wire extends on one section of protection sleeve pipe end
Equipped with dead-man's handle, the dead-man's handle is detachably connected with seal wire.
Preferably, it is 45mm's that the filter body upper end two, which encloses memory alloy wire to be coiled into diameter under relaxation state,
Cylindrical type, the cylindrical type lower end memory alloy wire successively reduce 5mm with every circle and form an inverted cone-shaped.
Preferably, the memory alloy wire outer diameter of the filter body is less than the protection sleeve pipe internal diameter, it is described
Memory alloy wire can be drawn into protection sleeve pipe.
Preferably, the protection sleeve pipe length is 500mm.
Preferably, the memory alloy wire end of the filter body is equipped with opaque marker beads, described is opaque
The outer diameter of marker beads is greater than protection sleeve pipe internal diameter.
Preferably, the releasable device includes hook and lantern ring, the hook is set to the memory of filter body
In alloy wire, on hook, the lantern ring lower end is connect the set ring set with seal wire, and one is equipped with by the hook and is lacked
Mouthful, the lantern ring and seal wire are passed through by indentation, there.
Preferably, the dead-man's handle includes handle body, seal wire movable chamber, thread cavity and fastening bolt, it is described
Handle body in be equipped with seal wire movable chamber, the seal wire passes through from seal wire movable chamber, also sets on the handle body
There are thread cavity, the thread cavity and seal wire movable chamber vertical connection, is equipped with fastening bolt in the thread cavity, described is tight
Fixing bolt fixes the seal wire in seal wire movable chamber.
Preferably, being equipped with not light projector marker loop close to filter body one end in the protection sleeve pipe.
The one-piece type vena cava filter of one kind three of the invention the utility model has the advantages that the present invention by setting one for filter body
The inverted cone structure that whole memory alloy wire is coiled into the entrance protection sleeve pipe for enabling filter body to act freely, is led to
It crosses setting releasable device and can be realized vena cava filter and integrate interim, permanent and recyclable three types, be applicable in model
It encloses extensively, it is easy to operate, the usage mode of vena cava filter can be selected according to patient profiles in clinical use.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the one-piece type vena cava filter of one kind three of the invention；
Fig. 2 is the releasable apparatus structure schematic diagram of the one-piece type vena cava filter of one kind three of the invention；
Fig. 3 is the dead-man's handle structural schematic diagram of the one-piece type vena cava filter of one kind three of the invention.
In figure: 1- filter body, 2- releasable device, 3- seal wire, 4- protection sleeve pipe, 5- dead-man's handle, the impermeable cursor of 6-
Remember pearl, 21- hook, 22- lantern ring, 23- notch, 41- not light projector marker loop, 51- handle body, 52- seal wire movable chamber, 53- spiral shell
Line chamber, 54- fastening bolt.
[specific embodiment]
Refering to fig. 1, Fig. 2 and Fig. 3, present invention one kind three one-piece type vena cava filter, including filter body 1, releasable
Device 2, seal wire 3, protection sleeve pipe 4, dead-man's handle 5, the cylinder that the filter body 1 is coiled by one whole memory alloy wire
Inverted cone is added to constitute, the 1 lower end inverted cone apex memory alloy wire of filter body is equipped with releasable device 2,
The releasable device 2 is detachably connected with filter body 1, and 2 lower end of releasable device is connected with seal wire 3, described
Seal wire 3 extend through out 4 end of protection sleeve pipe from 4 inner passage of protection sleeve pipe, the seal wire 3 extends protection sleeve pipe
One section of 4 ends is equipped with dead-man's handle 5, and the dead-man's handle 5 is detachably connected with seal wire 3, on the filter body
Two circle memory alloy wire of end is coiled into the cylindrical type that diameter under relaxation state is 45mm, the cylindrical type lower end memory alloy wire
5mm is successively reduced with every circle and forms an inverted cone-shaped, and the memory alloy wire outer diameter of the filter body 1 is less than the guarantor
4 internal diameter of protecting pipe, the memory alloy wire can be drawn into protection sleeve pipe 4, and the protection sleeve pipe length is 500mm,
The memory alloy wire end of the filter body 1 is equipped with opaque marker beads 6, and the outer diameter of the opaque marker beads 6 is big
In 4 internal diameter of protection sleeve pipe, the releasable device 2 includes hook 21 and lantern ring 22, and the hook 21 is set to filter body 1
Memory alloy wire on, 22 sets of the lantern ring on hook 21,22 lower end of lantern ring is connect with seal wire 3, the extension
A notch 23 is equipped with by hook 21, the lantern ring 22 is passed through with seal wire 3 by notch 23, and the dead-man's handle 5 includes hand
Handle ontology 51, seal wire movable chamber 52, thread cavity 53 and fastening bolt 54, the handle body 51 is interior to be equipped with seal wire movable chamber
52, the seal wire 3 passes through from seal wire movable chamber 52, and thread cavity 53, the spiral shell are additionally provided on the handle body 51
Line chamber 53 and 52 vertical connection of seal wire movable chamber, the thread cavity 53 is interior to be equipped with fastening bolt 54, the fastening bolt 54
Seal wire in seal wire movable chamber 52 is fixed, is equipped with not light projector marker loop close to 1 one end of filter body in the protection sleeve pipe 4
41。
The course of work of the present invention:
Present invention one kind three during the work time, when necessary may be used through femoral vein through jugular vein with one-piece type vena cava filter
It is implanted into through arm.
The long sheath for taking a medical 6F long 450mm, filter 1 is pulled in protection sleeve pipe 4,1 head end of filter body it is opaque
Marker beads 6 can prevent filter body 1 from crossing drawing of being outside one's consideration, and sheath is in place by radiography confirmation behind filter releasing position.By built-in filter
The protection sleeve pipe 4 of device main body 1 is inserted into epitheca.Push filter body 1 while slowly recession protection sleeve pipe 4 afterwards in place, can be appropriate
It puts forward a bit, when protection sleeve pipe 4 encounters dead-man's handle 5, release is completed.At this point, releasable device 2 is also in protection sleeve pipe
It is interior, filter body 1 can be pulled mobile to distal end.If releasing position is dissatisfied, filter body 1 can be taken in into protection sleeve pipe
In 4, discharge again.
Release is completed.
1) it is used as temporary filter, what is retained in short term stays in body for filter body 1 and epitheca with the transparent pad pasting opened greatly
Outer portion pastes protection, intrathecal injection heparin saline.Sterilize and replace daily transparent pad pasting, intrathecal injection heparin saline.Recycling
Protection sleeve pipe 4 is pinched when filter, dead-man's handle 5 is gently toward recession, the opaque marker beads 6 and protection of 1 head end of filter body
After the opaque Marking ring 41 of casing 4 is overlapped, withdrawn from together with protection sleeve pipe 4.
2) as recyclable filter in use, the screw on dead-man's handle 5 is unscrewed, dead-man's handle 5 is exited.Pinch seal wire
The lower protection sleeve pipe 4 of dropping back of 3 perspectives looks at lower confirmation releasable device 4 straight and overcomes difficulties, and gently drop back seal wire 3 and protection sleeve pipe 4 remove sheath.
3) it recycles, it is conventional to use gooseneck snare, epitheca is taken in after catching the hook 21 of 1 end of filter body.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (8)
1. the one-piece type vena cava filter of one kind three, it is characterised in that: including filter body (1), releasable device (2), seal wire
(3), protection sleeve pipe (4), dead-man's handle (5), the filter body (1) are added by the cylinder that one whole memory alloy wire is coiled into
Inverted cone is constituted, and the filter body (1) lower end inverted cone apex memory alloy wire is equipped with releasable device
(2), the releasable device (2) is detachably connected with filter body (1), and described releasable device (2) lower end is connected with
Seal wire (3), the seal wire (3) extends through out protection sleeve pipe (4) end from protection sleeve pipe (4) inner passage, described
Seal wire (3) extends one section of protection sleeve pipe (4) end equipped with dead-man's handle (5), the dead-man's handle (5) and seal wire
(3) it is detachably connected.
2. the one-piece type vena cava filter of one kind three as described in claim 1, it is characterised in that: the filter body (1)
Upper end two encloses memory alloy wire and is coiled into the cylindrical type that diameter under relaxation state is 45mm, the cylindrical type lower end memorial alloy
Silk successively reduces 5mm with every circle and forms an inverted cone-shaped.
3. the one-piece type vena cava filter of one kind three as described in claim 1, it is characterised in that: the filter body (1)
Memory alloy wire outer diameter be less than described protection sleeve pipe (4) internal diameter, the memory alloy wire can be drawn into protection sleeve pipe
(4) in.
4. the one-piece type vena cava filter of one kind three as claimed in claim 3, it is characterised in that: the protection sleeve pipe (4)
Length is 500mm.
5. the one-piece type vena cava filter of one kind three as described in claim 1, it is characterised in that: the filter body (1)
Memory alloy wire end be equipped with opaque marker beads (6), the outer diameters of the opaque marker beads (6) is greater than protection sleeve pipe
(4) internal diameter.
6. the one-piece type vena cava filter of one kind three as described in claim 1, it is characterised in that: the releasable device
It (2) include hook (21) and lantern ring (22), the hook (21) is set on the memory alloy wire of filter body (1), described
Lantern ring (22) covers on hook (21), and the lantern ring (22) lower end is connect with seal wire (3), and one is equipped with by the hook (21)
A notch (23), the lantern ring (22) are passed through with seal wire (3) by notch (23).
7. the one-piece type vena cava filter of one kind three as described in claim 1, it is characterised in that: the dead-man's handle (5)
Including handle body (51), seal wire movable chamber (52), thread cavity (53) and fastening bolt (54), the handle body (51) is interior
Equipped with seal wire movable chamber (52), the seal wire (3) passes through from seal wire movable chamber (52), on the handle body (51) also
Equipped with thread cavity (53), the thread cavity (53) and seal wire movable chamber (52) vertical connection, the thread cavity (53) is interior to be set
Have fastening bolt (54), the fastening bolt (54) fixes the seal wire in seal wire movable chamber (52).
8. the one-piece type vena cava filter of one kind three as described in claim 1, it is characterised in that: the protection sleeve pipe (4)
It is upper to be equipped with not light projector marker loop (41) close to filter body (1) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546598.9A CN109620466A (en) | 2018-12-18 | 2018-12-18 | The one-piece type vena cava filter of one kind three |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546598.9A CN109620466A (en) | 2018-12-18 | 2018-12-18 | The one-piece type vena cava filter of one kind three |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109620466A true CN109620466A (en) | 2019-04-16 |
Family
ID=66074892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811546598.9A Pending CN109620466A (en) | 2018-12-18 | 2018-12-18 | The one-piece type vena cava filter of one kind three |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109620466A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569770Y (en) * | 2002-09-28 | 2003-09-03 | 维科医疗器械(苏州)有限公司 | Recoverable thrombus filter |
| CN101147705A (en) * | 2006-09-18 | 2008-03-26 | 深圳市先健科技股份有限公司 | Controllable released biological ceramic thrombus filter and manufacturing method thereof |
| KR20110040187A (en) * | 2009-10-13 | 2011-04-20 | 연세대학교 산학협력단 | Detachable and retrievable embolic protection device and filter assembly composing the same |
| CN107007376A (en) * | 2016-10-13 | 2017-08-04 | 上海宏普医疗器械有限公司 | A kind of recyclable Caval vein thrombus filter with detachable metal silk |
| CN107157614A (en) * | 2017-06-14 | 2017-09-15 | 有研医疗器械（北京）有限公司 | The interim vena cava filter system of biconial |
| CN107307921A (en) * | 2017-03-16 | 2017-11-03 | 杭州唯强医疗科技有限公司 | The vena cava filter of two-way controlled release |
| CN209790091U (en) * | 2018-12-18 | 2019-12-17 | 上海展蓝生物科技中心 | Three-purpose integrated vena cava filter |
-
2018
- 2018-12-18 CN CN201811546598.9A patent/CN109620466A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569770Y (en) * | 2002-09-28 | 2003-09-03 | 维科医疗器械(苏州)有限公司 | Recoverable thrombus filter |
| CN101147705A (en) * | 2006-09-18 | 2008-03-26 | 深圳市先健科技股份有限公司 | Controllable released biological ceramic thrombus filter and manufacturing method thereof |
| KR20110040187A (en) * | 2009-10-13 | 2011-04-20 | 연세대학교 산학협력단 | Detachable and retrievable embolic protection device and filter assembly composing the same |
| CN107007376A (en) * | 2016-10-13 | 2017-08-04 | 上海宏普医疗器械有限公司 | A kind of recyclable Caval vein thrombus filter with detachable metal silk |
| CN107307921A (en) * | 2017-03-16 | 2017-11-03 | 杭州唯强医疗科技有限公司 | The vena cava filter of two-way controlled release |
| CN107157614A (en) * | 2017-06-14 | 2017-09-15 | 有研医疗器械（北京）有限公司 | The interim vena cava filter system of biconial |
| CN209790091U (en) * | 2018-12-18 | 2019-12-17 | 上海展蓝生物科技中心 | Three-purpose integrated vena cava filter |
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