CN201088640Y - Recycle device of inferior caval vein colander - Google Patents
Recycle device of inferior caval vein colander Download PDFInfo
- Publication number
- CN201088640Y CN201088640Y CNU2007201737379U CN200720173737U CN201088640Y CN 201088640 Y CN201088640 Y CN 201088640Y CN U2007201737379 U CNU2007201737379 U CN U2007201737379U CN 200720173737 U CN200720173737 U CN 200720173737U CN 201088640 Y CN201088640 Y CN 201088640Y
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- vena cava
- cava filter
- recovery device
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- rear end
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Abstract
The utility model discloses an recovery device for an inferior vena cava filter, which is a four-layer composing conduit structure: an innermost layer is a conducting thread, the front end of which is connected with a foreign body grabbing hook and the rear end of which is equipped with a handle; a layer sleeved on the outside of the front section of the conducting thread is an internal sheath, which is used as a conveying passage of the conducting thread and the foreign body grabbing hook, and a third hemostasis valve with a regulating nut is connected with the rear end of the conveying passage layer; a layer sleeved on the conveying passage layer is taken as a spring steel cable winding tube of the conveying passage of the internal sheath, and a conducting net for conducting a filter into the external sheath and a second hemostasis valve with a regulating nut are respectively connected with the front end and the rear end of the spring steel cable winding tube layer; an extreme layer is taken as an external sheath tube of the spring steel cable and the conveying passage of the conducting net, and a first hemostasis valve with a is connected with the rear end of the extreme layer. When recovering the filter, the filter is pulled into the conducting net through the compounding operation of the foreign body grabbing hook and the internal sheath, and then, is pulled into the external sheath tube and drawn out of the body with the external sheath tube.
Description
Technical field
This utility model relates to a kind of inferior vena cava filter recovery device.
Background technology
Venous thrombosis has become the commonly encountered diseases of harm humans health, and sickness rate rises year by year, and important complication is that thrombosis comes off repeatedly, causes pulmonary embolism and pulmonary infarction, and mortality rate is high, seriously jeopardizes patient's life.Adopt traditional operation treatment, wound face is bigger, dangerous big, adopted interventional therapy in recent years, it is to adopt the method for percutaneous puncture that the percutaneous IVCF is put art, by the conduit carrier, places the metal filter at postcava, filter can stop thrombosis up, prevention or minimizing pulmonary thromboembolism.Compare with traditional surgical operation, the percutaneous IVCF is put art simply, safely, effectively, is widely adopted in recent years.
The filter kind is more at present, but what great majority used is permanent IVCF, Yi Yin takes place to be covered by vascellum endometrial hyperplasia and loses use value, so demand developing callable IVCF system urgently, recyclable IVCF can be avoided the long-term danger of keeping somewhere of permanent IVCF, is of value to the patient who is not suitable for keeping somewhere for a long time IVCF.
Along with the appearance of recyclable IVCF, also be badly in need of safety, effectively, the retracting device of IVCF easily, with the auxiliary IVCF that reclaims.
Summary of the invention
The purpose of this utility model provides a kind of inferior vena cava filter recovery device, and it can conveniently reclaim IVCF.
For achieving the above object, this utility model is taked following design:
A kind of inferior vena cava filter recovery device, it is four layers of fit guide-tube structure:
Innermost layer is a seal wire, and its front end connects a foreign body and grasps hook, and one handle is equipped with in the rear end;
The one deck that is enclosed within outside the seal wire leading portion is to be used for grasping the interior sheath that hook is pumped passage as seal wire and foreign body, and its rear end connects and has the 3rd haemostatic valve of regulating locknut;
Outer more sheathed one deck is the spring steel cable coiling pipe of pumping passage as interior sheath, and its front end connects one and is used to guide filter to enter the guiding net of epitheca, and the rear end connects and has second haemostatic valve of regulating locknut;
The sheathed layer of outermost is as spring steel cable and guides net to pump the epitheca pipe of passage that its rear end connects and has first haemostatic valve of regulating locknut.
Described first, second, third haemostatic valve from arrange in regular turn backward, and outside dimension diminishes step by step.
It is one group of Ultimum Ti crotch that described foreign body grasps hook, and along the seal wire end 360 degree uniform distribution.
It is three Ultimum Ti crotches that shape is identical that described one group of foreign body grasps hook.
Described spring steel cable coiling pipe is formed by medical stainless steel filament winding system; Described guiding net is tubaeform, is formed by the braiding of ti-ni shape memory alloy silk.
Described tubaeform guiding net awl is high to be 1/2 of the vena cava filter length of taking off, cone element long for the vena cava filter bus that takes off length about 2/3.
The utility model has the advantages that:
1, reasonable in design, whole recovery process can realize accurately, safety operation, can realize once accurately reclaiming filter, and can not cause damage to blood vessel, can greatly reduce patient's misery.
2, wrap up the mode that afterwards reclaims earlier because this recovery system adopts, reclaim smooth and easyly, remove the way of recycling of filter for direct time and compare, greatly reduce that filter ruptures, the risk of injured blood vessel.
3, the spring steel cable coiling pipe compliance of connection guiding net is good, makes recovery system that good compliance be arranged in the blood vessel of bending, has reduced the damage to blood vessel.
Description of drawings
Fig. 1 is this utility model inferior vena cava filter recovery device structural representation.
Fig. 2 is an inferior vena cava filter recovery device user mode structural representation.
The specific embodiment
As shown in Figure 1 and Figure 2, this utility model inferior vena cava filter recovery device is four layers of fit guide-tube structure:
Innermost layer is a seal wire 8, and one end (front end) connects a foreign body and grasps hook 11, and the other end (rear end) is equipped with one handle 4; One deck is interior sheath 14 outward, and as the passage of pumping of seal wire and foreign body extracting hook, one end (rear end) connects the 3rd haemostatic valve 5, locks seal wire and prevents from interior sheath hemorrhage by regulating locknut 3; Outer again one deck is a spring steel cable 13, as the passage of pumping of interior sheath, one end (front end) connects a guiding net 12, is used to guide filter to enter epitheca, the other end (rear end) connects second haemostatic valve 6, locks interior sheath 14 and prevents from spring steel cable hemorrhage by regulating locknut 2; Outermost layer is an epitheca 9, as spring steel cable 13 and guiding net 12 pump passage, the one end is connected with first haemostatic valve 7, comes the locking spring wirerope and prevents from the epitheca angiorrbagia by regulating locknut 1.
As shown in Fig. 1, Fig. 2, described first, second, third haemostatic valve from arrange in regular turn backward, and outside dimension diminishes step by step, also can become big or at different levels with the footpath step by step.Feasible volume, the weight that can reduce device.
Described seal wire 8 is a Ultimum Ti raw silk rings, and the seal wire other end connects one handle 4 with handled easily.It is one group of Ultimum Ti crotch that described foreign body grasps hook 11, three shapes identical and along the seal wire end 360 degree uniform distribution are good, with guarantee filter be pulled, can run-off the straight in the removal process, guarantee that filter is easily, reclaim smoothly.
Described spring steel cable 13 is formed by medical stainless steel filament winding system.Its internal diameter is slightly larger than interior sheath external diameter, and sheath can inside freely be pumped in making.Wirerope one end connects a tubaeform guiding net 12, and the guiding net is formed by ti-ni shape memory alloy silk braiding, 1/2 of the high IVCF length that is reclaimed during for work of awl, this moment cone element be about for the IVCF bus that is reclaimed long 2/3; Cone bottom diameter and support force all are slightly larger than the filter diameter, so that this utility model inferior vena cava filter recovery device can be drawn in filter in blood vessel in the guiding net.The wirerope other end connects second haemostatic valve 2, is used with locknut 2, unclamps 2 interior sheaths of locknut and can easily pump in wirerope, and 2 interior sheaths of locking locknut are fixed in the wirerope and can not move, and prevent that blood from outflowing from wirerope.
Described epitheca 9 is the medical ptfe plastics, and its internal diameter is slightly larger than the wirerope external diameter, makes wirerope freely to pump inside.Epitheca one end connects first haemostatic valve 1, is used with locknut 1.Unclamping 1 spring steel cable of locknut can easily pump in epitheca, and 1 wirerope of locking locknut is fixed in the epitheca and can not moves, and prevents that blood from flowing out from epitheca.When reclaiming IVCF, implementation step is as follows:
1, package unit is pushed to the position suitable apart from IVCF 10.
2, unclamp seal wire 8, control stop handle 4, the 3rd haemostatic valve 5, second haemostatic valve 6, return and remove first haemostatic valve 7, then guide net 12 to open.
3, locking seal wire 8 unclamps locknut 3, and handle 4 is pushed, and makes foreign body grasp hook 11 and opens fully.
4, locking locknut 3 unclamps locknut 2, and handle 4, the 3rd haemostatic valve 5 are pushed into the position suitable apart from IVCF 10.
5, locking locknut 2 unclamps locknut 3, returns and removes handle 4, makes foreign body grasp hook 11 and catches IVCF 10.
6, locking locknut 3 unclamps locknut 2, returns and removes handle 4, the 3rd haemostatic valve 5 to guiding net 12.
7, locking locknut 2 unclamps locknut 1, returns and removes handle 4, the 3rd haemostatic valve 5, second haemostatic valve 6 to epitheca 9.
8, locking locknut 1 is extracted whole system out human body.
When reclaiming IVCF,, IVCF is drawn in the guiding net, because of IVCF does not have fixedly claw hook, so the pull process can not cause damage to blood vessel wall by the compounding practice of foreign body extracting hook and interior sheath; IVCF is drawn in it in epitheca pipe with the guiding net after entering guiding net 1/2 length overall together, extracts out external with the epitheca pipe.
Claims (7)
1. inferior vena cava filter recovery device is characterized in that it is four layers of fit guide-tube structure:
Innermost layer is a seal wire, and its front end connects a foreign body and grasps hook, and one handle is equipped with in the rear end;
The one deck that is enclosed within outside the seal wire leading portion is to be used for grasping the interior sheath that hook is pumped passage as seal wire and foreign body, and its rear end connects and has the 3rd haemostatic valve of regulating locknut;
Outer more sheathed one deck is the spring steel cable coiling pipe of pumping passage as interior sheath, and its front end connects one and is used to guide filter to enter the guiding net of epitheca, and the rear end connects and has second haemostatic valve of regulating locknut;
The sheathed layer of outermost is as spring steel cable and guides net to pump the epitheca pipe of passage that its rear end connects and has first haemostatic valve of regulating locknut.
2. inferior vena cava filter recovery device according to claim 1 is characterized in that: described first, second, third haemostatic valve from arrange in regular turn backward.
3. inferior vena cava filter recovery device according to claim 2 is characterized in that: the outside dimension of described first, second, third haemostatic valve diminishes step by step.
4. inferior vena cava filter recovery device according to claim 1 is characterized in that: it is one group of Ultimum Ti crotch that described foreign body grasps hook.
5. inferior vena cava filter recovery device according to claim 4 is characterized in that: it is three Ultimum Ti crotches that shape is identical that described one group of foreign body grasps hook, the 360 degree uniform distribution along the seal wire end.
6. inferior vena cava filter recovery device according to claim 1 is characterized in that: described spring steel cable coiling pipe is formed by medical stainless steel filament winding system; Described guiding net is tubaeform, is formed by the braiding of ti-ni shape memory alloy silk.
7. inferior vena cava filter recovery device according to claim 6 is characterized in that: described tubaeform guiding net awl is high to be 1/2 of the vena cava filter length of taking off, cone element long for the vena cava filter bus that takes off length 2/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201737379U CN201088640Y (en) | 2007-10-22 | 2007-10-22 | Recycle device of inferior caval vein colander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201737379U CN201088640Y (en) | 2007-10-22 | 2007-10-22 | Recycle device of inferior caval vein colander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201088640Y true CN201088640Y (en) | 2008-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201737379U Expired - Lifetime CN201088640Y (en) | 2007-10-22 | 2007-10-22 | Recycle device of inferior caval vein colander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201088640Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973332A (en) * | 2012-11-23 | 2013-03-20 | 杭州启明医疗器械有限公司 | Thrombus filter and using method thereof |
| WO2014094543A1 (en) | 2012-12-21 | 2014-06-26 | 先健科技(深圳)有限公司 | Medical instrument coating and preparation method therefor and medical instrument comprising coating |
| CN109199633A (en) * | 2018-11-05 | 2019-01-15 | 科塞尔医疗科技（苏州）有限公司 | Inferior vena cava filter recovery device and method |
| CN110840506A (en) * | 2019-11-21 | 2020-02-28 | 北京爱琳医疗科技有限公司 | Embolism system |
| CN112137755A (en) * | 2019-06-28 | 2020-12-29 | 上海微创心脉医疗科技股份有限公司 | Filter recovery protection device, filter recovery system and method and filter system |
-
2007
- 2007-10-22 CN CNU2007201737379U patent/CN201088640Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973332A (en) * | 2012-11-23 | 2013-03-20 | 杭州启明医疗器械有限公司 | Thrombus filter and using method thereof |
| WO2014079291A1 (en) * | 2012-11-23 | 2014-05-30 | 杭州启明医疗器械有限公司 | Blood clot filter and utilization method thereof |
| CN102973332B (en) * | 2012-11-23 | 2015-01-21 | 杭州启明医疗器械有限公司 | Thrombus filter and using method thereof |
| WO2014094543A1 (en) | 2012-12-21 | 2014-06-26 | 先健科技(深圳)有限公司 | Medical instrument coating and preparation method therefor and medical instrument comprising coating |
| CN109199633A (en) * | 2018-11-05 | 2019-01-15 | 科塞尔医疗科技（苏州）有限公司 | Inferior vena cava filter recovery device and method |
| CN109199633B (en) * | 2018-11-05 | 2023-10-27 | 科塞尔医疗科技（苏州）有限公司 | Inferior vena cava filter recovery device and method |
| CN112137755A (en) * | 2019-06-28 | 2020-12-29 | 上海微创心脉医疗科技股份有限公司 | Filter recovery protection device, filter recovery system and method and filter system |
| CN110840506A (en) * | 2019-11-21 | 2020-02-28 | 北京爱琳医疗科技有限公司 | Embolism system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YOUYAN YIJIN NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: BEIJING CENTRAL INST.OF THE NONFERROUS METAL Effective date: 20130802 Free format text: FORMER OWNER: YOUYAN YIJIN NEW MATERIAL CO., LTD. Effective date: 20130802 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130802 Address after: 100088, 2, Xinjie street, Beijing Patentee after: Grikin Advanced Materials Co.,Ltd. Address before: 100088, 2, Xinjie street, Beijing Patentee before: General Research Institute for Nonferrous Metals Patentee before: Grikin Advanced Materials Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 102200 Changping District super Road, Beijing, No. 33 Patentee after: GRIKIN ADVANCED MATERIALS Co.,Ltd. Address before: 100088, 2, Xinjie street, Beijing Patentee before: Grikin Advanced Materials Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20160715 Address after: 102200 Changping District science and Technology Park, Beijing Road No. 33 Patentee after: GRINM MEDICAL INSTRUMENT (BEIJING) CO.,LTD. Address before: 102200 Changping District super Road, Beijing, No. 33 Patentee before: GRIKIN ADVANCED MATERIALS Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080723 |
|
| CX01 | Expiry of patent term |