CN109771087A - A kind of recyclable device - Google Patents
A kind of recyclable device Download PDFInfo
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- CN109771087A CN109771087A CN201711107837.6A CN201711107837A CN109771087A CN 109771087 A CN109771087 A CN 109771087A CN 201711107837 A CN201711107837 A CN 201711107837A CN 109771087 A CN109771087 A CN 109771087A
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- sheath
- outer sheath
- recycling
- snare
- recyclable device
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- 238000004064 recycling Methods 0.000 claims abstract description 152
- 238000007913 intrathecal administration Methods 0.000 claims abstract description 9
- 241000463219 Epitheca Species 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 11
- 210000003191 femoral vein Anatomy 0.000 abstract description 13
- 210000004731 jugular vein Anatomy 0.000 abstract description 9
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000008733 trauma Effects 0.000 abstract description 2
- 229940030225 antihemorrhagics Drugs 0.000 description 22
- 230000000025 haemostatic effect Effects 0.000 description 22
- 238000010586 diagram Methods 0.000 description 21
- 239000008280 blood Substances 0.000 description 10
- 210000004369 blood Anatomy 0.000 description 10
- 208000007536 Thrombosis Diseases 0.000 description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 210000003462 vein Anatomy 0.000 description 6
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 5
- 208000004043 venous thromboembolism Diseases 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 206010051055 Deep vein thrombosis Diseases 0.000 description 3
- 208000010378 Pulmonary Embolism Diseases 0.000 description 3
- 239000003146 anticoagulant agent Substances 0.000 description 3
- 229940127219 anticoagulant drug Drugs 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 210000002837 heart atrium Anatomy 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 206010014522 Embolism venous Diseases 0.000 description 2
- -1 Poly tetrafluoroethylene Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 208000005189 Embolism Diseases 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 206010047249 Venous thrombosis Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000001147 pulmonary artery Anatomy 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of recyclable device, including recycling sheath, outer sheath, pull-push piece and acquirer.Recycling sheath is connected with pull-push piece；Acquirer and pull-push piece, acquirer and pull-push piece are stored in outer sheath to be pumped in outer sheath；Acquirer includes snare and traction piece interconnected；Recyclable device has first state and the second state, in the first state, recycling sheath is set in outer sheath, snare be accommodated in recycling it is intrathecal, recycling sheath the one end of outer sheath close to snare is set, in the second condition, recycling sheath is separated with outer sheath, outside recycling sheath, snare is arranged outside outer sheath for snare setting, and the one end of outer sheath close to snare is arranged in recycling sheath.Recyclable device in the present invention realizes and recycles umbrella filter through femoral vein, recycles the problems such as umbrella filter operation risk is high, post-surgical trauma is obvious so as to avoid through jugular vein.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of recyclable device.
Background technique
Venous thromboembolism (Venous Thromboembolism, VTE) is common disease clinically, is had higher
Disease incidence and case fatality rate.VTE includes Deep vain thrombosis (Deep Vein Thrombosis, DVT) and pulmonary embolism
(Pulmonary Embolism, PE).DVT often betides veins of lower extremity.And PE is then mainly due in venous system or the right heart
After forming thrombus, thrombus breaks loose enters caused by pulmonary artery.Anticoagulant therapy is always the goldstandard of VTE treatment, it is therefore an objective to prevent blood
Bolt forms and restores the unobstructed of embolism vein.And have to terminate when patient has anticoagulant taboo or bleeding complication occurs
When anticoagulant, implantation vena cava filter (Vena Cava Filter, VCF) can effectively intercept the thrombus to fall off, prevent lethal
The generation of property pulmonary embolism.
The vena cava filter of early stage be mostly it is permanent, the shortcomings that this kind of vena cava filter is to be easy to produce cavity of resorption in long term
The complication such as vein occlusion.Retrievable vena cava filter has been increasingly becoming mainstream in recent years, and patient, can after the releasing of PE risk
To recycle vena cava filter, thus the complication for avoiding filter from being chronically implanted.
Recyclable filter mainly has column filter and umbrella filter.Compared to column filter, umbrella filter avoids and blood vessel
Wall comes into contact in a large area, so, recovery time window is longer, and when recycling is smaller to the injury of vascular wall.And in recent years, umbrella filter exists
Improvement in structure is so that performance placed in the middle is also very excellent, and therefore, umbrella filter is increasingly becoming the development trend of filter
Due to placement orientation, the recovery principle of filter and the limitation of recovery technology etc. of the umbrella filter in inferior caval vein
Many reasons, umbrella filter can only be recycled using transjugular way of recycling at present.But it is recycled using transjugular mode
Umbrella filter operation risk is high.
Summary of the invention
The purpose of the present invention is to provide a kind of recyclable devices, to solve to recycle umbrella filter using existing recyclable device
The high problem of operation risk.
A further object of the present invention is to provide a kind of recyclable devices, to solve to recycle umbrella using existing recyclable device
The obvious technical problem of filter post-surgical trauma.
In order to solve the above technical problems, the present invention provides a kind of recyclable device, including recycling sheath, outer sheath, pull-push piece and
Acquirer, in which: the recycling sheath is connected with the pull-push piece；The acquirer and the push-and-pull are stored in the outer sheath
Part, the acquirer and the pull-push piece can pump in the outer sheath；The acquirer includes snare interconnected
And traction piece；The recyclable device has first state and the second state, and in the first state, the recycling sheath is set in described
In outer sheath, the snare is accommodated in that the recycling is intrathecal, and the snare is arranged between recycling sheath and the outer sheath,
The outer sheath is arranged in close to one end of the snare in the recycling sheath, in the second condition, the recycling sheath with it is described
Outer sheath separation, the snare are arranged outside the recycling sheath, and the snare is arranged outside the outer sheath, the recycling
The outer sheath is arranged in close to one end of the snare in sheath.
Optionally, the outer sheath includes the first outer sheath, the second outer sheath and third outer sheath, first outer sheath
One end close to the snare, the other end of first outer sheath respectively with second outer sheath and the third epitheca
Pipe connection, first outer sheath and second outer sheath are set in the pull-push piece, first outer sheath and third
Outer sheath is set on the acquirer.
Optionally, the acquirer further includes conduit, and the outer sheath is set on the conduit, and the conduit is set in
On the traction piece.
Optionally, the acquirer further includes first handle, and the first handle is set in the traction piece far from described
On one end of snare, the first handle is fixedly connected with one end far from the snare of the conduit.
Optionally, the acquirer further includes the first locking head, and first locking head is set on the traction piece, institute
The first locking head is stated for fixing the positional relationship of the traction piece Yu the conduit.
Optionally, the snare can be lasso trick or crawl hook.
Optionally, the recyclable device further includes fixed sheath, and the fixed sheath is set in the outer sheath, the fixation
Sheath can the relatively described outer sheath reciprocating movement.
Optionally, the outer sheath includes the first outer sheath, the second outer sheath and third outer sheath, first outer sheath
One end close to the snare, the other end of first outer sheath respectively with second outer sheath and the third epitheca
Pipe connection, first outer sheath and second outer sheath are set in the pull-push piece, first outer sheath and third
Outer sheath is set on the acquirer, and the fixed sheath is set in first outer sheath.
Optionally, the recyclable device further includes second handle, and it is remote that the second handle is set in first outer sheath
On one end from the snare, the second handle is fixedly connected with the fixed sheath far from one end of the snare, institute
Second handle is stated for adjusting or fixing the position of the fixed sheath.
Optionally, the recyclable device further includes importing part, and the importing part and the recycling sheath are far from the snare
One end be fixedly connected, it is described import part far from it is described recycling sheath one end be tip.
Optionally, the traction piece is soft seal wire.
A kind of recyclable device provided by the invention, has the advantages that
Firstly, since heretofore described recyclable device has first state and the second state, it is in the first state, described
Recycling sheath is set in outer sheath, and it is intrathecal that snare is accommodated in the recycling, in the second condition, recycling sheath and outer sheath point
From, snare is located at outside the recycling sheath, it can thus be appreciated that the recycling sheath can be set in above-mentioned outer sheath also with it is described outer
Sheath separation, further, since the outer sheath is the channel of pumping of the acquirer and pull-push piece, and pull-push piece is for pumping institute
Recycling sheath is stated, therefore the recycling sheath can be pumped by pull-push piece is set in recycling sheath in the outer sheath, or makes described
Recycling sheath is separated with outer sheath, in addition, the snare is for capturing umbrella since the acquirer includes snare and traction piece
Shape filter, the snare are arranged outside the outer sheath, and the outer sheath is set on the traction piece, and the traction piece is used
The snare described in pull, therefore the snare capture umbrella filter can be made therefore to enclose by traction piece pull snare
After covering device capture umbrella filter, the recycling sheath can be pumped by pull-push piece is set in recycling sheath in the outer sheath, and by
In in the first state, it is intrathecal that snare is accommodated in recycling, and recycles sheath and can be used for pressing and hold the umbrella filter, therefore, the
Under one state, by snare capture umbrella filter can be held in by pressure it is described recycling it is intrathecal, thus can realize umbrella filter return
It receives.
Secondly as in the first state, recycling sheath is set in the outer sheath, and snare is accommodated in the recycling sheath
It is interior, and the snare, between recycling sheath and the outer sheath, in the second condition, recycling sheath is separated with outer sheath, is enclosed
It covers device to be located at outside recycling sheath, and the outer sheath is arranged in close to the side of the snare in the recycling sheath, therefore the circle
Device setting is covered between recycling sheath and outer sheath, i.e., the described recyclable device is captured when recycling umbrella filter by the snare
Umbrella filter can be located at recycling sheath and outer sheath between, and by pull-push piece pull recycle sheath when, can make recycle sheath be arranged
During in outer sheath, umbrella filter pressure is held between outer sheath and recycling sheath, and due to the side of umbrella filter gathering
To certain, therefore the recyclable device in the present invention can make to recycle sheath to close to outer sheath during recycling umbrella filter
Direction collapses umbrella filter when mobile, as a result, after umbrella filter is implanted into femoral vein, recyclable device can be made to enter through femoral vein
Vena cave recycles umbrella filter, to avoid the problem that recyclable device need to could recycle umbrella filter by jugular vein.
Detailed description of the invention
Fig. 1 is the schematic diagram after umbrella filter discharges in vena cave；
Fig. 2 is schematic diagram of the recyclable device in the prior art through jugular vein recycling umbrella filter；
Fig. 3 is the structural schematic diagram of the recyclable device in an embodiment of the present invention；
Fig. 4 is the partial sectional view of the recyclable device in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the acquirer of the recyclable device in an embodiment of the present invention；
Fig. 6 is that the recyclable device in an embodiment of the present invention imports a kind of venacaval schematic diagram；
The schematic diagram of recycling sheath is ejected after the step of Fig. 7 is Fig. 6；
The schematic diagram of acquirer capture umbrella filter after the step of Fig. 8 is Fig. 7；
Fig. 9 be Fig. 8 the step of after withdraw pull-push piece, umbrella filter pressure, which is held in, recycles intrathecal partial sectional view；
Figure 10 is the structural schematic diagram of the recyclable device in another embodiment of the invention；
Figure 11 is the partial sectional view of the recyclable device in another embodiment of the invention；
Figure 12 is that acquirer fixes umbrella filter after the recyclable device in an embodiment of the present invention imports in vena cave
Schematic diagram in outer sheath.
Description of symbols:
S1- umbrella filter；C1- vena cave；The first arrow of A1-；The second arrow of A2-；J- jugular vein；The atrium dextrum X-；
100- recyclable device；
110- recycles sheath；111- developing ring；
120- pull-push piece；The 5th handle of 121-；
130- acquirer；131- snare；132- traction piece；133- conduit；134- first handle；135- first is locked
Head；
140- outer sheath；The first outer sheath of 141-；The second outer sheath of 142-；143- third outer sheath；144 third handles；
The 4th handle of 145-；
150- fixes sheath；151- second handle；
160- imports part；
C2- vena cave；S2- umbrella filter；H- recovering hook.
Specific embodiment
Fig. 1 is the schematic diagram after umbrella filter discharges in vena cave.With reference to Fig. 1, recyclable umbrella filter S1 is usual
State and a swelling state are held with a pressure.Umbrella filter S1 generally includes strainer and recovering hook.In the case where pressure holds state, umbrella is filtered
Device S1 is usually in network management shape, and umbrella filter S1 is usually in umbrella in the expanded state.Strainer usually has free end, and free end is
Refer to one end that strainer opens in the expanded state, one end opposite with free end is known as the center of strainer.In the expanded state, institute
The radial section for stating free end is the maximum radial section of the strainer.Umbrella filter S1 is during release, with strainer
The radial section of free end become larger, strainer is gradually expanded in umbrella, and umbrella filter S1 is after discharging completely, from pressure
The state of holding is expanded into swelling state.Umbrella filter S1 during recycling, with strainer free end radial section gradually
Become smaller, strainer is gradually collapsed in a tubular form.The recovering hook is usually fixedly connected with the center of strainer.It can by setting recovering hook
Umbrella filter S1 is captured convenient for recyclable device.
Specifically, umbrella filter S1 pressure to be first held in the sheath of release device when umbrella filter S1 is discharged into vena cave C1
Guan Zhong, then discharged by release device.Umbrella filter S1 expands after being discharged into vena cave C1 in sheath, and is anchored at vena cave
In C1.As shown in Figure 1, the free end of strainer is usually located at separate in vena cave C1 after umbrella filter S1 is discharged into vena cave C1
One end of heart, the center of the strainer of umbrella filter S1 are usually located at the other end in vena cave C1 close to heart.Venous blood is logical
It is often flowed from the direction far from heart to the direction close to heart, the flow direction of the venous blood is with reference to the first arrow in Fig. 1
Direction shown in A1 is arranged so that strainer ensure that strainer can effectively filter the thrombus for flowing to heart, and filters in recycling
When net, thrombus will not escape.
When umbrella filter S1 is recycled from vena cave C1, recyclable device recycling is generallyd use.Recyclable device generally includes to enclose
Device and recycling sheath are covered, recycling sheath is on the outer peripheral surface of snare.When umbrella filter S1 is recycled, recycling sheath is through jugular vein by umbrella
Shape filter S1 is recycled from vena cave C1.Fig. 2 is signal of the recyclable device in the prior art through jugular vein recycling umbrella filter
Figure recycles sheath and is introduced into jugular vein J along direction shown in the second arrow A2 with reference to Fig. 2, then enters atrium dextrum through jugular vein J
X is entered back into vena cave C1.Later, it recycles intrathecal snare to fix recovering hook, to make the position of umbrella filter S1
It does not change, then gradually disengages umbrella filter S1 in vena cave C1 to the direction movement far from heart by recycling sheath
Wall, and gradually collapse, it is held in recycling sheath until umbrella filter S1 is collapsed completely and pressed, it then will recycling sheath, snare and umbrella
Shape filter S1 is withdrawn from vitro, completes the recycling of umbrella filter S1.
It finds afterwards after study, when recycling umbrella filter S1 by above-mentioned recyclable device, there are following Railway Projects: by
It needs in the recycling sheath of recyclable device by atrium dextrum X, therefore the risk performed the operation is very high；The sheath of recyclable device is needed by neck
Vein J puncture just can enter jugular vein J, however, the nervous system of neck is complicated, and close to important brain blood supply blood such as arteria carotis
Pipe, therefore operation risk is higher；Due to being punctured in neck, the postoperative wound left of patient is not easy to cover, and can give patient
Bring puzzlement, especially year through patient.
Based on this, the present invention provides a kind of recyclable device, punctures recyclable device from femoral vein and enters femoral vein, later
It reaches at inferior caval vein, again collapses umbrella filter after umbrella filter, and press and be held in recyclable device, to avoid through neck
Vein recycles the umbrella filter bring above problem.
Unless otherwise specified, term " distal end " and " proximal end " are herein with reference to the process for using recyclable device in vena cave
In the blood flow from heart direction: " distal end " indicates the environment division away from heart or the direction far from heart, and " proximal end "
Indicate the direction close to the environment division of heart or towards heart.
A kind of recyclable device proposed by the present invention is described in further detail below in conjunction with the drawings and specific embodiments.It needs
Illustrate, attached drawing is all made of very simplified form and using non-accurate ratio, only to convenient, lucidly auxiliary is said
The purpose of the bright embodiment of the present invention.
Embodiment one
The present embodiment provides a kind of recyclable device, the recyclable device can be through entering in vena cave at femoral vein, and leads to
It crosses femoral vein and recycles the umbrella filter being implanted in vena cave.
It is the structural schematic diagram of the recyclable device in an embodiment of the present invention with reference to Fig. 3, Fig. 4 and Fig. 5, Fig. 3, Fig. 4 is
The partial sectional view of recyclable device in an embodiment of the present invention, Fig. 5 are the recyclable devices in an embodiment of the present invention
The structural schematic diagram of acquirer.The recyclable device 100 includes recycling sheath 110, pull-push piece 120, acquirer 130 and outer sheath
140。
The recycling sheath 110 holds the umbrella filter for pressing.The outer sheath 140 is used to be used as the acquirer 130
Channel is pumped with the pull-push piece 120.The acquirer 130 includes snare 131 and traction piece 132, the snare 131
For capturing the umbrella filter, the outer sheath 140 is set on the traction piece 132, and the traction piece 132 is used for pull
The snare 131.The pull-push piece 120 is for pumping the recycling sheath 110.The recyclable device has first state and the
Two-state: in the first state, the recycling sheath 110 is set in the outer sheath 140, and the snare 131 is accommodated in institute
It states in recycling sheath 110, the snare 131 is arranged between the recycling sheath 110 and outer sheath 140, and the recycling sheath 110 is set
It sets in the outer sheath 140 close to one end of the snare 131；In the second condition, the recycling sheath 110 and the epitheca
Pipe 140 separates, and the snare 131 is arranged outside the recycling sheath 110, and the snare 131 is arranged in the outer sheath 140
Outside, the outer sheath 140 is arranged in close to one end of the snare 131 in the recycling sheath 110.
When the recyclable device 100 imports retrocaval, the proximal end of the pull-push piece 120 and the recycling sheath through femoral vein
110 connections, the pull-push piece 120 can be used for recycling sheath 110 described in pull to be moved back and forth along vena cave, the outer sheath 140
It is set on the pull-push piece 120 and the acquirer 130, the acquirer 130 can be moved back and forth along the vena cave.Institute
The proximal end for stating pull-push piece 120 and the acquirer 130 is arranged across the proximal end of the outer sheath 140.The recycling sheath 110 is by institute
When stating umbrella filter pressure and being held in the recycling sheath 110, the proximal end of the acquirer 130 is accommodated in the recycling sheath 110.
In the present embodiment, when the umbrella filter pressure is held in the recycling sheath 110, the recycling sheath 110 can be set in
In the outer sheath 140, the umbrella filter S2, which can be pressed, to be held between the recycling sheath 110 and the outer sheath 140.That is, this
The recycling sheath 110 in embodiment can be set in the outer sheath 140, and the recycling sheath 110 is set in outside described
When in sheath 140, the umbrella filter, which can press, to be held between the recycling sheath 110 and outer sheath 140.
When the recycling sheath 110 is set in the outer sheath 140, the snare 131 is located at the recycling sheath 110
It is interior, it is particularly located between the outer sheath 140 and the recycling sheath 110.The recycling sheath 110 is pushed up from the outer sheath 140
After out, i.e., after the described recycling sheath 110 is separated with the outer sheath 140, the snare 131 is located at the recycling sheath 110 and institute
It states outside outer sheath 140.The acquirer 130 can capture the umbrella filter S2 by snare 131, such as pass through acquirer
The recovering hook of 130 capture umbrella filters.During capturing umbrella filter S2 by acquirer 130, it can be drawn by pull
Part 132 adjusts position of the acquirer 130 in outer sheath 140, and then adjusts the position of snare 131, to pass through snare
131 capture umbrella filters.
In the present embodiment, with reference to Fig. 4,140 inner hollow of outer sheath.It is preferable to use polytetrafluoros for the outer sheath 140
Ethylene (Poly tetrafluoroethylene, PTFE) is made.
When the recyclable device imports retrocaval through femoral vein, the pull-push piece 120 is driving 110 edge of recycling sheath
During vena cave moves back and forth, the pull-push piece 120 can be used for pulling the recycling sheath 110 along vena cave from epitheca
The proximal end of pipe 140 is mobile to the direction of the distal end of outer sheath 140, so that the recycling sheath 110 is set in the outer sheath 140
On；The pull-push piece 120 can also be used to pushing the recycling sheath 110 along from the distal end of the outer sheath 140 to outer sheath 140
Proximal end direction it is mobile so that the recycling sheath 110 is ejected from the outer sheath 140.
In the present embodiment, after the acquirer 130 captures the umbrella filter, the acquirer 130 and the umbrella
The position of filter S2 is relatively fixed, and the position of the outer sheath 140 and the recycling sheath 110 is also relatively fixed.Later, described time
During receipts sheath 110 is moved along vena cave to the direction of venacaval distal end, the recycling sheath 110 can be set in described outer
In sheath 140, while the umbrella filter S2 and the acquirer 130 can also be accommodated in recycling sheath 110, due to acquirer
130 proximal end and umbrella filter S2 are located at the outside of outer sheath 140, therefore the proximal end of the acquirer 130 and umbrella filter S2
Can be between the recycling sheath 110 and the outer sheath 140, i.e., the described umbrella filter, which can press, is held in 110 He of recycling sheath
Between the outer sheath 140.It is described outer during recycling sheath 110 is moved along vena cave to the direction of venacaval distal end
The sheath 140 not only pull-push piece 120 and the acquirer 130 pump channel, and the outer sheath 140 can also assist
The recycling sheath 110 collapses and pressure holds the umbrella filter, for example, the outer sheath 140 can make umbrella in the recycling sheath 110
During filter S2 is gradually collapsed, auxiliary limits the position of umbrella filter S2, consequently facilitating umbrella filter S2 is recycled.
In the present embodiment, 110 inner hollow of recycling sheath, and the recycling sheath 110 is close to the one of the outer sheath 140
End opening.Described in the umbrella filter S2, outer sheath 140 and snare 131 can enter from the distal openings of the recycling sheath 110
Recycle the inner cavity of sheath 110.
With reference to Fig. 3, the recyclable device further includes importing part 160.The importing part 160 and the recycling sheath 110 are separate
One end of the snare 131 is fixedly connected, and the described one end of part 160 far from the recycling sheath 110 that imports is tip.
The importing part 160 can enter femoral vein convenient for the recyclable device 100, can also be convenient for back preferably in coniform
Sheath 110 is received to move in vena cave.It is preferable to use polytetrafluoroethylene (PTFE) (Poly for the importing part 160
Tetrafluoroethylene, PTFE) it is made.The importing part 160 is preferably wholely set with the recycling sheath 110.
In the present embodiment, with reference to Fig. 4, the pull-push piece 120 preferably pushes and pulls pipe.Push-and-pull pipe preferably with the recycling
The inner cavity of sheath is fixedly connected.The push-and-pull Guan Kewei stiff guide wire can also be the metal tube with certain rigidity, preferably metal tube
Part.
In the present embodiment, the traction piece 132 is preferably soft seal wire.
With reference to Fig. 5, the acquirer 130 preferably includes conduit 133.The conduit 133 is set in the traction piece 132
On, the both ends of the traction piece 132 pass through the conduit 133.The snare 131 is located at outside the conduit 133.The epitheca
Pipe 140 can be set on the conduit 133.The conduit 133 can be the pull channel of the traction piece 132, on the one hand pass through
Conduit 133 is set convenient for the movement of traction piece 132, that is, can avoid pull-push piece 120 influences the movement of traction piece 132, or avoids leading
The movement for drawing the influence pull-push piece 120 of part 132, on the other hand can protect traction piece 132 and outer sheath 140 by the way that conduit 133 is arranged,
The stability in use of recyclable device 100 can be improved.
With reference to the recyclable device importing venacaval one that Fig. 6, Fig. 7, Fig. 8 and Fig. 9, Fig. 6 are in an embodiment of the present invention
Acquirer captures umbrella after the step of schematic diagram of ejection recycling sheath after the step of kind schematic diagram, Fig. 7 is Fig. 6, Fig. 8 is Fig. 7
The schematic diagram of shape filter, Fig. 9 be Fig. 8 the step of after withdraw pull-push piece, umbrella filter pressure, which is held in, recycles intrathecal partial cutaway
View.The process that the recyclable device 100 recycles umbrella filter S2 is specific as follows:
Step 1: femoral venous puncture radiography, determines the position umbrella filter S2.
Step 2: importing recyclable device 100 through femoral vein, so that recyclable device 100 is passed through umbrella filter S2, specifically make to recycle
Device 100 passes through the strainer of umbrella filter S2, and makes recyclable device 100 close to umbrella filter S2, by aobvious on recycling sheath 110
Shadow ring judges the positional relationship of recyclable device 100 Yu filter S2, guarantees recovering hook in the lower section of developing ring.Recyclable device 100 leans on
The schematic diagram of nearly umbrella filter S2 can refer to Fig. 6.As shown in fig. 6, the recyclable device 100 is in first state at this time.Specifically
, sheath 110 is recycled at this time and is set in outer sheath 140, and snare 131 is accommodated in recycling sheath 110, and snare 131 is set
It sets between recycling sheath 110 and outer sheath 140, recycles sheath 110 close to the proximal end of outer sheath 140, snare 131 is also close to epitheca
The proximal end that the proximal end of pipe 140, i.e. recycling sheath 110 and snare 131 are arranged at outer sheath 140.
Step 3: push pull-push piece 120, makes to recycle sheath 110 along vena cave C2 from the distal end of vena cave C2 to vena cave
The direction of the proximal end of C2 is mobile so that the proximal end of acquirer 130 enters in vena cave C2, the acquirer 130 of recyclable device 100 into
Entering to the schematic diagram in vena cave C2 can refer to Fig. 7.As shown in fig. 7, the recyclable device 100 is in the second state at this time.Tool
Body, the recycling sheath 110 is separated with the outer sheath 140, and the snare 131 is arranged outside the recycling sheath 140, described
Snare 131 is arranged outside the outer sheath 140, and the recycling sheath 110 is arranged in the outer sheath 140 close to the snare
131 side, i.e. snare 131 are arranged close to the proximal end of outer sheath 140, and recycling sheath 110 is set also close to the proximal end of outer sheath 140
It sets.
Step 4:, by pumping acquirer 130, making acquirer 130 capture umbrella filter S2, for example, making to catch with reference to Fig. 8
The recovering hook H that device 130 captures umbrella filter S2 is obtained, the acquirer 130 of recyclable device 100 captures the schematic diagram of umbrella filter S2
It can refer to Fig. 8, the recyclable device 100 is still within the second state at this time.
Step 5: pulling the pull-push piece 120 with reference to Fig. 9, makes pull-push piece 120 drive recycling sheath 110 mobile, make to recycle
Sheath 110 is moved along vena cave C2 from the proximal end of outer sheath 140 to the direction of the distal end of outer sheath 140, so that the recycling sheath
110 are gradually set on umbrella filter S2.During pulling pull-push piece 120, recycling sheath 110 gradually receives umbrella filter S2
Hold together, and be held in umbrella filter S2 pressure in recycling sheath 110, the schematic diagram that umbrella filter S2 pressure is held in recycling sheath 110 can
With reference to Fig. 9.Due to the effect of acquirer 130, umbrella filter S2 is opposite with the position of outer sheath 140 constant.As shown in figure 9,
The recyclable device 100 is in first state at this time.Specifically, recycling sheath 110 is set in outer sheath 140 at this time, snare
131 are accommodated in recycling sheath 110, and the setting of snare 131, between recycling sheath 110 and outer sheath 140, recycling sheath 110 leans on
The proximal end of nearly outer sheath 140, snare 131 are respectively provided with also close to the proximal end of outer sheath 140, i.e. recycling sheath 110 and snare 131
In the proximal end of outer sheath 140, snare 131 capture have umbrella filter S2, umbrella filter S2 also press be held in recycle sheath 110 in, umbrella
Shape filter S2 setting is between recycling sheath 110 and outer sheath 140.
Step 6: recyclable device 100 is whole external through femoral vein export.
Embodiment two
The difference between this embodiment and the first embodiment lies in the present embodiment, as shown in Figure 3 and Figure 4, the recyclable device
100 further include developing ring 111, and the recycling sheath 110 is arranged in close to one end of the outer sheath in the developing ring 111, described
Developing ring 111 for developing in the course of surgery, to determine the position of recyclable device 100 in the course of surgery.
Specifically, the developing ring 111 can be used for determining the position of recyclable device 100 in step 2, consequently facilitating adjusting
The position of whole recyclable device 100, so that recyclable device 100 is close to umbrella filter.Such as make developing ring 111 close to umbrella filter
Recovering hook, in order to which acquirer 130 captures the recovering hook of umbrella filter.
The material of the developing ring 111 is preferably platinumiridio.
The present embodiment and embodiment one another difference is that, in the present embodiment, the outer sheath 140 includes the first epitheca
Pipe 141, the second outer sheath 142 and third outer sheath 143.One end of first outer sheath 141 close to the snare 131,
The other end of first outer sheath 141 is connected to second outer sheath 142 and the third outer sheath 143 respectively.It is described
First outer sheath 141 and second outer sheath 142 are set in the pull-push piece 120, first outer sheath 141 and third
Outer sheath 143 is set on the acquirer 130.That is, in the present embodiment, first outer sheath 141 is far from snare
131 one end is divided into the second outer sheath 142 and third outer sheath 143, first outer sheath 141 and second outer sheath
142 are set in the pull-push piece 120, and first outer sheath 141 and third outer sheath 143 are set in the acquirer 130
On, in this way, can be convenient for operating pull-push piece 120 far from one end of the first outer sheath 141 in the second outer sheath 142, and pass through push-and-pull
120 pull of part recycles sheath 110, and operates acquirer 130 far from one end of the first outer sheath 141 in third outer sheath 143, pushes away
Draw piece 120 and acquirer 130 can lock respectively, operate respectively, thus two when reducing operation pull-push piece 120 or acquirer 130
Interfering with each other between person.
Embodiment three
The difference between this embodiment and the first embodiment lies in recyclable device 100 described in the present embodiment further includes fixed sheath
150.It is the structural schematic diagram of the recyclable device in another embodiment of the invention with reference to Figure 10 and Figure 11, Figure 10, Figure 11 is this
Invent the partial sectional view of the recyclable device in another embodiment.The recyclable device 100 further includes fixed sheath 150, described
Fixed sheath 150 is set in the outer sheath 140, and the fixed sheath 150 can the relatively described reciprocating movement of outer sheath 140.At this point,
Outer sheath 140 is for storing and fettering pull-push piece 120 and acquirer 130.
In the present embodiment, the material of the fixed sheath 150 can be medical ptfe.
In the present embodiment, when the recycling sheath 110 is set in the outer sheath 140, the snare 131 is located at described
It recycles in sheath 110, is particularly located between the fixed sheath 150 and the recycling sheath 110.The recycling sheath 110 is from the fixation
After ejecting on sheath 140, the snare 131 is located at outside the recycling sheath 110, fixed sheath 150 and outer sheath 140.The recycling
Device 100 can adjust the position of snare 131 not only by adjusting position of the acquirer 130 in outer sheath 140, can be with
By adjusting the position of fixed sheath 150, keep umbrella filter and the position of outer sheath 140 and fixed sheath 150 relatively fixed.For example,
Fixed sheath 150 can be made to move along the distal-to-proximal direction of outer sheath 140, so that snare 131 is from 140 China and foreign countries of outer sheath
The length of the part of leakage shortens, so that the umbrella filter captured by snare 131 is close to outer sheath 140, and then realizes
Umbrella filter is fixed with respect to the position of outer sheath 140.It can be convenient for capture and fixed umbrella filter by the way that fixed sheath 150 is arranged.
Figure 12 is the schematic diagram for pushing the fixed umbrella filter S2 of fixed sheath 150 Fig. 8 the step of after (step 5).With reference to
Figure 12, in the present embodiment, the difference that the recyclable device 100 recycles the process and embodiment one of umbrella filter is, in step
After five, acquirer 130 can be made further to take in fixed sheath 150 by pushing fixed sheath 150, and then adjust acquirer
130 and outer sheath 140 position, i.e., adjustment umbrella filter with respect to outer sheath 140 position so that umbrella filter and outer sheath
The mobility of position between 140 reduces, and carries out step 6 again later, can recycle umbrella filter convenient for recycling sheath 110.Specifically
, make fixed sheath 150 to the movement of the proximal end of outer sheath 140 by operating second handle 151, so that acquirer 130 is tightened, into
And make umbrella filter close to outer sheath 140, and the position of fixed sheath 150 can be fixed by locking second handle 151, to make
Umbrella filter is fixed with respect to the position of outer sheath 140.The fixed sheath 150 makes umbrella filter be further secured to outer sheath 140
Upper state can refer to Figure 12.In the case where filter fixed using fixed sheath 150, retracted when receiving sheath 110 and being recycled instantly, i.e.,
Keep the rigidity of traction piece 132 or conduit 133 poor, filter will not act movement with the drop-down of recycling sheath 110, more convenient
Operation, is conducive to the correct recycling of filter.The present embodiment and the another difference of embodiment one are, in the present embodiment, with reference to figure
10, the outer sheath 140 includes the first outer sheath 141, the second outer sheath 142 and third outer sheath 143.First outer sheath
141 one end close to the snare 131, the other end of first outer sheath 141 respectively with second outer sheath 142 and
The third outer sheath 143 is connected to, and first outer sheath 141 and second outer sheath 142 are set in the pull-push piece 120
On, first outer sheath 141 and third outer sheath 143 are set on the acquirer 130, and the fixed sheath 150 is set in
In first outer sheath 141.
With reference to Figure 10, the recyclable device 100 further includes second handle 151.The second handle 151 is set in described
On the one end of one outer sheath 141 far from the snare 131, the second handle 151 is with the fixed sheath 150 far from the circle
One end of set device 131 is fixedly connected.By the way that second handle 151 is arranged, the position of fixed sheath 150 can be adjusted or fixed convenient for doctor
It sets.
The present embodiment and a further distinction of embodiment one are, in the present embodiment, the recyclable device 100 further includes first
Haemostatic valve, first haemostatic valve are set in first outer sheath 141, and first haemostatic valve is arranged in the second-hand
In handle 151.First haemostatic valve is for blocking the fixed sheath 150, i.e., when recyclable device imports retrocaval, described first
Haemostatic valve is for avoiding inside of the blood through the fixed sheath 150 in vena cave from the fixed sheath 150 far from the snare
It flows out one end of device 131.Specifically, first haemostatic valve is used to prevent the blood in vena cave through fixed sheath 150 and first
Gap between outer sheath 141 is flowed out from fixed sheath 150 far from one end of the snare 131.
First haemostatic valve is preferably sealing ring.
In other embodiments, the recyclable device 100 can only include the first haemostatic valve, without including second handle
151.First haemostatic valve is set in the outer sheath 140, and first haemostatic valve and the fixed sheath 150 are far from described
One end of snare 131 is fixedly connected.
Example IV
The difference between this embodiment and the first embodiment lies in the present embodiment, with reference to Figure 10, the outer sheath 140 includes the
One outer sheath 141, the second outer sheath 142 and third outer sheath 143.One end of first outer sheath 141 is close to the snare
Device 131, the other end of first outer sheath 141 connect with second outer sheath 142 and the third outer sheath 143 respectively
Logical, first outer sheath 141 and second outer sheath 142 are set in the pull-push piece 120, first outer sheath
141 and third outer sheath 143 be set on the acquirer 130.
Preferably, with reference to Figure 10, the recyclable device 100 further includes third handle 144.The third handle 144 and institute
The one end far from the snare 131 for stating the second outer sheath 142 is fixedly connected.The third handle 144 can be convenient for gripping.
The recyclable device 100 further includes the second haemostatic valve.Second haemostatic valve is set in the pull-push piece 120,
Second haemostatic valve is arranged in the third handle.Second haemostatic valve is for blocking second outer sheath 142, i.e.,
When recyclable device imports retrocaval, second haemostatic valve is for avoiding the blood in vena cave C2 through second outer sheath
142 inside is flowed out from second outer sheath 142 far from one end of the snare 131, i.e., described second haemostatic valve is used for
Prevent the blood in vena cave C2 through the gap between pull-push piece 120 and the second outer sheath 142, far from the second outer sheath 142
It flows out one end of the snare 131.
Second haemostatic valve is preferably sealing ring.
Preferably, with reference to Figure 10, the recyclable device 100 further includes the 5th handle 121.5th handle 121 and institute
Pull-push piece 120 is stated to be fixedly connected far from one end of the snare.5th handle 121 can be convenient for holding and convenient for pull-push piece
120 move in the first outer sheath 141.
Embodiment five
The difference between this embodiment and the first embodiment lies in the outer sheath 140 preferably includes the first epitheca in the present embodiment
Pipe 141, the second outer sheath 142 and third outer sheath 143.First outer sheath 141, the second outer sheath 142 and third outer sheath
143.One end of first outer sheath 141 close to the snare 131, the other end of first outer sheath 141 respectively with
Second outer sheath 142 is connected to the third outer sheath 143, first outer sheath 141 and second outer sheath 142
It is set in the pull-push piece 120, first outer sheath 141 and third outer sheath 143 are set on the acquirer 130.
It is also preferable to include first handles 134 for the recyclable device 100.The first handle 134 is set in the traction piece
On 132 one end far from the snare 131, the first handle 134 and the described one end of conduit 133 far from the snare
It is fixedly connected.The first handle 134 can adjust the position of conduit 133 convenient for doctor.
In the present embodiment, the first handle 134 can also be used to lock conduit 133, make conduit 133 and traction piece 132 it
Between relative position fix.
The acquirer 130 further preferably includes the first locking head 135.First locking head 135 is set in the traction
On part 132, first locking head 135 is for locking the traction piece 132.
First locking head 135 is preferably provided at the outside of side of the conduit 131 far from the snare 131.
It can be convenient for operation acquirer 130, consequently facilitating acquirer 130 captures institute by the way that first locking head 135 is arranged
Umbrella filter is stated, while being also convenient for acquirer 130 keeps umbrella filter constant with respect to the position of outer sheath 140.For example, by catching
It obtains device 130 and captures umbrella filter, and after so that umbrella filter is immobilized with respect to the position of outer sheath 140, locked using locking head
Traction piece 132 can prevent from making the position of umbrella filter change during recycling sheath 110 by 120 pull of pull-push piece, into
And can avoid umbrella filter and recycle failure because the position with respect to outer sheath 140 changes, it is also possible to prevent passing through fixation
When sheath 150 keeps the position of umbrella filter and outer sheath 140 relatively fixed, since traction piece 132 is not fixed, lead to operation failure
The problem of.
With reference to Fig. 5, the recyclable device 100 further preferably includes the 4th handle 145, and the 4th handle 145 is set in institute
It states on acquirer 130, the 4th handle 145 is fixedly connected with the third outer sheath far from one end of the recycling sheath.Institute
Stating the 4th handle 145 can hold convenient for doctor.
With reference to Fig. 5, the recyclable device 100 further preferably includes third haemostatic valve, and the third haemostatic valve is set in described
On acquirer 130, the third haemostatic valve is for blocking the third outer sheath 143.When the recyclable device imports vena cave
Afterwards, the third haemostatic valve be used to avoiding blood in vena cave through inside the third outer sheath 143 from the third epitheca
It flows out one end far from the snare 131 of pipe 143.Specifically, the blood in avoidable vena cave is through the third epitheca
It is flowed out from one end far from the snare 131 of third outer sheath 143 in gap between pipe 143 and conduit 133.
The third haemostatic valve is preferably sealing ring.
In the present embodiment, the snare 131 can be any structure that can capture filter such as lasso trick or crawl hook.Such as
Shown in Fig. 5, the snare 131 is noose.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.Although illustrating the present invention herein with the embodiment through femoral vein recycling umbrella filter, present invention may also apply to pass through
The implantation material for crossing the inner cavity recycling other forms of the pipe of other human bodies or animal body, as long as the implantation material is with corresponding
Recovering hook and it the form held can be pressed i.e. recyclable device of the invention can be used to realize recycling.
Claims (11)
1. a kind of recyclable device, which is characterized in that including recycling sheath, outer sheath, pull-push piece and acquirer, in which:
The recycling sheath is connected with the pull-push piece；
The acquirer and the pull-push piece are stored in the outer sheath, the acquirer and the pull-push piece can be in the epithecas
It is pumped in pipe；
The acquirer includes snare and traction piece interconnected；
The recyclable device has first state and the second state,
In the first state, the recycling sheath is set in the outer sheath, and the snare is accommodated in intrathecal, the institute of the recycling
It states snare to be arranged between recycling sheath and the outer sheath, the recycling sheath is arranged in the outer sheath close to the snare
One end,
In the second condition, the recycling sheath is separated with the outer sheath, and the snare is arranged outside the recycling sheath, described
Snare is arranged outside the outer sheath, and the outer sheath is arranged in close to one end of the snare in the recycling sheath.
2. recyclable device as described in claim 1, which is characterized in that the outer sheath includes the first outer sheath, the second epitheca
Pipe and third outer sheath, close to the snare, the other end of first outer sheath is distinguished for one end of first outer sheath
It is connected to second outer sheath and the third outer sheath, first outer sheath and second outer sheath are set in described
In pull-push piece, first outer sheath and third outer sheath are set on the acquirer.
3. recyclable device as described in claim 1, which is characterized in that the acquirer further includes conduit, the epitheca pipe sleeve
It is located on the conduit, the conduit is set on the traction piece.
4. recyclable device as claimed in claim 3, which is characterized in that the acquirer further includes first handle, and described first
Handle is set on the one end of the traction piece far from the snare, the separate circle of the first handle and the conduit
One end of set device is fixedly connected.
5. recyclable device as claimed in claim 3, which is characterized in that the acquirer further includes the first locking head, and described
One locking head is set on the traction piece, and first locking head is used to fix the traction piece and the position of the conduit is closed
System.
6. recyclable device as described in claim 1, which is characterized in that the snare can be lasso trick or crawl hook.
7. such as recyclable device as claimed in any one of claims 1 to 6, which is characterized in that the recyclable device further includes fixed sheath,
The fixed sheath is set in the outer sheath, and the fixed sheath can the relatively described outer sheath reciprocating movement.
8. recyclable device as claimed in claim 7, which is characterized in that the outer sheath includes the first outer sheath, the second epitheca
Pipe and third outer sheath, close to the snare, the other end of first outer sheath is distinguished for one end of first outer sheath
It is connected to second outer sheath and the third outer sheath, first outer sheath and second outer sheath are set in described
In pull-push piece, first outer sheath and third outer sheath are set on the acquirer, and the fixed sheath is set in described
In one outer sheath.
9. recyclable device as claimed in claim 8, which is characterized in that the recyclable device further includes second handle, and described
Two taper knobs are located on the described one end of first outer sheath far from the snare, and the second handle and the fixed sheath are separate
One end of the snare is fixedly connected, and the second handle is used to adjust or fix the position of the fixed sheath.
10. recyclable device as claimed in claim 7, which is characterized in that the recyclable device further includes importing part, the importing
Part is fixedly connected with the recycling sheath far from one end of the snare, and the described one end of part far from the recycling sheath that imports is point
End.
11. recyclable device as claimed in claim 7, which is characterized in that the traction piece is soft seal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107837.6A CN109771087B (en) | 2017-11-10 | 2017-11-10 | Recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107837.6A CN109771087B (en) | 2017-11-10 | 2017-11-10 | Recovery device |
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| CN109771087A true CN109771087A (en) | 2019-05-21 |
| CN109771087B CN109771087B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711107837.6A Active CN109771087B (en) | 2017-11-10 | 2017-11-10 | Recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124483A1 (en) * | 2021-12-27 | 2023-07-06 | 上海蓝脉医疗科技有限公司 | Recovery apparatus |
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|---|---|---|---|---|
| US20040039412A1 (en) * | 2002-08-20 | 2004-02-26 | Takaaki Isshiki | Thrombus capture catheter |
| CN101416890A (en) * | 2007-10-22 | 2009-04-29 | 北京有色金属研究总院 | Inferior vena cava filter recovery device |
| CN103385744A (en) * | 2012-05-07 | 2013-11-13 | 王涛 | Temporary filter with far-end protector |
| CN205215446U (en) * | 2015-12-14 | 2016-05-11 | 中国人民解放军第二军医大学 | Inferior vena cava filter recovery device |
| CN209019057U (en) * | 2017-11-10 | 2019-06-25 | 上海微创心脉医疗科技股份有限公司 | A kind of recyclable device |
-
2017
- 2017-11-10 CN CN201711107837.6A patent/CN109771087B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040039412A1 (en) * | 2002-08-20 | 2004-02-26 | Takaaki Isshiki | Thrombus capture catheter |
| CN101416890A (en) * | 2007-10-22 | 2009-04-29 | 北京有色金属研究总院 | Inferior vena cava filter recovery device |
| CN103385744A (en) * | 2012-05-07 | 2013-11-13 | 王涛 | Temporary filter with far-end protector |
| CN205215446U (en) * | 2015-12-14 | 2016-05-11 | 中国人民解放军第二军医大学 | Inferior vena cava filter recovery device |
| CN209019057U (en) * | 2017-11-10 | 2019-06-25 | 上海微创心脉医疗科技股份有限公司 | A kind of recyclable device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124483A1 (en) * | 2021-12-27 | 2023-07-06 | 上海蓝脉医疗科技有限公司 | Recovery apparatus |
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| CN109771087B (en) | 2024-04-05 |
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Effective date of registration: 20210204 Address after: Room 102, No.1, Lane 3399, Kangxin Road, Pudong New Area, Shanghai, 201321 Applicant after: Shanghai lanmai Medical Technology Co.,Ltd. Address before: No. 3399 Lane 1, Kangxin Highway, Pudong New District, Shanghai, 201318 Applicant before: SHANGHAI MICROPORT ENDOVASCULAR MEDTECH Co.,Ltd. |
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