CN106691627A - Intracavity temporary supporting device - Google Patents
Intracavity temporary supporting device Download PDFInfo
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- CN106691627A CN106691627A CN201710133847.0A CN201710133847A CN106691627A CN 106691627 A CN106691627 A CN 106691627A CN 201710133847 A CN201710133847 A CN 201710133847A CN 106691627 A CN106691627 A CN 106691627A
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- support
- support frame
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- diameter
- handle
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- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
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- Health & Medical Sciences (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses an intracavity temporary supporting device. The device comprises a supporting component (1) and a delivery sheath (2) which sleeves outside the radially contracted supporting component (1) and is used for delivering the supporting component (1) into and out of a body; the supporting component (1) comprises a supporting rack (4) which can be radially contracted to change diameter, a handle (6) and a connecting part (5) which is connected with the supporting rack (4) and the handle (6); the delivery sheath (2) comprises a sheath tube (10) and a dilator (11); and the inner diameter of the delivery sheath (2) is more than or equal to the minimized compressed outer diameter of the supporting rack (4) and the outer diameter of the connecting part (5). The intracavity temporary supporting device can be used for effectively solving the problem in the prior art that a covered stent is difficult in in-situ fenestration when being applied at multi-branch vessels and the like.
Description
Technical field
The present invention relates to technical field of medical instruments, provisional support meanss in more particularly to a kind of chamber.
Background technology
Arotic disease turned into threaten human life one of the main reasons, and occur it is latter as be difficult to voluntarily cure,
If do not carried out appropriate and timely treating, it will cause aortoclasia bleeding even dead.
For diseases such as the aortic aneurysms and dissection of aorta in arotic disease, current methods of surgical mainly has out
Art of letting go and the major class of EVAR two, wherein EVAR refer to, through arteriopuncture or small otch, to be implanted into sustainer
Overlay film frame, isolation lesion chamber simultaneously rebuild blood stream access in the original location, EVAR compared to open surgery, without opening chest or opening
The features such as abdomen, wound are small and require relatively low accordingly to patient body condition, progressively as the first-selection side for the treatment of arotic disease
Method.
When arotic disease occur at multiple-limb blood vessel, involve at multiple-limb blood vessel or too close to multiple-limb blood vessel
During place, EVAR is carried out due to lacking suitable overlay film frame, Most patients can only select open surgery.
Although having attempted the various ways such as chimney technology, branch stent, operation technique difficulty is big, and is susceptible to interior
Leakage, support is collapsed or stent occlusion, is difficult to promote the problems such as specifications and models are excessive.
Overlay film frame orthotopic fenestration is a kind of feasible method of comparing, is the reason for current orthotopic fenestration Technique Popularizing is slower
No matter pricked using pin or laser or radio frequency hot melt overlay film are perforated, being required for forcibly driving device makes its pierce through overlay film or be adjacent to cover
, because endovascular overlay film frame radial load is limited, easily there is overlay film frame and is collapsed to offside, so in overlay film perforate in film
May result in support infolding, pierce through offside vascular wall or offside vascular wall of burning.
Therefore, how to realize overlay film frame arotic disease occur at multiple-limb blood vessel, involve multiple-limb blood vessel
Place or to make overlay film frame can obtain too close to the application orthotopic fenestration technology at multiple-limb blood vessel provisional powerful enough
Support force not blocking blood flow again simultaneously, as those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide support meanss provisional in a kind of chamber, provisional support meanss are effective in the chamber
Solve overlay film frame in the prior art and be applied to the problems such as orthotopic fenestration is difficult at multiple-limb blood vessel.
In order to solve the above technical problems, the present invention provides following technical scheme：
Provisional support meanss in a kind of chamber, including support component and the support that can be set in after radial contraction
Component external is used to send into the support component and withdraws from internal conveying sheath, and the support component includes radially shrinking
Change the connector of the support frame, handle and connection support frame as described above and the handle of diameter, the conveying sheath includes
Sheath and expander, the internal diameter of the conveying sheath more than or equal to support frame as described above minimal compression external diameter and the connector it is outer
Footpath.
Preferably, also including being received to the loader in it for assistance compression support frame as described above and by support frame as described above,
The internal diameter of the loader is less than or equal to the internal diameter of the sheath, and the minimal compression external diameter more than or equal to support frame as described above and institute
The external diameter of connector is stated, the effective length of the loader is axial long in minimal compression diameter more than or equal to support frame as described above
Degree.
Preferably, the support component includes active support component and passive-type support component, the active support
The active support frame of component keeps preset diameters in the case where being acted on without external force, described active by driving active handle to adjust
The axial length of support frame is changing the diameter of the active support frame.
Preferably, the active connector of the active support component includes inner tube or mandrel and outer tube, the outer tube
It is connected with the active support frame, said inner tube or mandrel are connected with the active handle, the outer tube is placed in described
Pipe or mandrel exterior and can relative said inner tube or mandrel movement.
Preferably, the active handle is the independent front and rear handle that can be relatively moved；
Or, it is to drive the outer tube relative movement or said inner tube or mandrel same with the outer tube by threaded engagement
When the rotary type handle that moves towards.
Preferably, the constant lock of the locking active support frame diameter dimension is provided with the active handle
Determine device.
Preferably, the support frame of the active support component and the passive-type support component is the lantern that two ends are drawn in
Shape support frame, shape shuttle-type support frame or pumpkin type support frame, its supporting section are straight type, wave mode, Z-type, the two ends of the supporting section
It is the Hybrid connections of line style, grid or both with the connection of termination；
The support frame of the passive-type support component is also funnel type support frame, and its supporting section is wave mode, Z-type, its support
The near-end of section is line style or Mesh connection with the connection of termination.
Preferably, support frame as described above by memory metal it is cleaved or weld it is thermally treated again be made, support frame as described above
On be provided with developing material layer.
Preferably, the connector is more than or equal to the sheath from the near-end of support frame as described above to the length of the handle
Overall length adds the overall length of the loader.
Preferably, a diameter of 5-60mm of support frame as described above, support segment length is 5-30mm, the active support frame
Diameter adjustable extent is 3-80mm.
Provisional support meanss in chamber provided by the present invention, including support component and conveying sheath, conveying sheath can cover
Outside the support component after radial contraction, for sending into and withdrawing from vivo support component.Support component include support frame,
Handle and connector, the radial direction of support frame can be shunk to change diameter, by the conveying sheath of reduced size send into
Withdraw from vivo.Connector couples together handle and handle.Conveying sheath include sheath and expander, convey sheath internal diameter more than etc.
In the minimal compression external diameter and the external diameter of connector of support frame.Support component undertakes supporting role during feeding, withdraws from
The blood flow of acted on tube chamber will not be blocked in journey.Support meanss be mainly used in overlay film frame at the arch of aorta during orthotopic fenestration to covering
Membrane support provides temporary support, and the orthotopic fenestration for making overlay film frame is easier, safer.Can also be used to assist other apparatuses
Vascular wall or cavity are preferably attached, or temporary support overlay film frame etc. prevents its displacement etc. in support, it can be realized
Improvement support as balloon expandable attaches effect without blocking vascular flow supply, can significantly reduce operation technique risk
And complication.
Provisional support meanss in chamber provided by the present invention, realize that overlay film frame occurs at many points in arotic disease
At branch vessel, involve at multiple-limb blood vessel or too close to the application orthotopic fenestration technology at multiple-limb blood vessel and make overlay film frame
Provisional support force powerful enough is can obtain, while not blocking blood flow again, solves overlay film frame of the prior art and exist
It is applied to the problems such as orthotopic fenestration is difficult at multiple-limb blood vessel.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The structural representation of provisional support meanss in the chamber that Fig. 1 is provided by a kind of specific embodiment in the present invention
Figure；
Fig. 2 is active support component structural representation provided in an embodiment of the present invention；
Fig. 3 is passive-type support component structural representation provided in an embodiment of the present invention；
Fig. 4 is the sheath structural representation of conveying sheath provided in an embodiment of the present invention；
Fig. 5 is the expander structural representation of conveying sheath provided in an embodiment of the present invention；
Fig. 6 is loader structural representation provided in an embodiment of the present invention；
Fig. 7 is the first support frame structure schematic diagram provided in an embodiment of the present invention；
Fig. 8 is second support frame structure schematic diagram provided in an embodiment of the present invention；
Fig. 9 is the third support frame structure schematic diagram provided in an embodiment of the present invention；
Figure 10 is the 4th kind of support frame structure schematic diagram provided in an embodiment of the present invention.
Marked in accompanying drawing as follows：
1- support components, 2- conveyings sheath, 3- loaders, 4- support frames, 5- connectors, 6- handles, 7- outer tubes, 8- locking dresses
Put, 9- mandrels, 10- sheaths, 11- expanders.
Specific embodiment
Core of the invention is to provide support meanss provisional in a kind of chamber, and provisional support meanss are effective in the chamber
Solve overlay film frame in the prior art and be applied to the problems such as orthotopic fenestration is difficult at multiple-limb blood vessel.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 to Figure 10 is refer to, provisional support in the chamber that Fig. 1 is provided by a kind of specific embodiment in the present invention
The structural representation of device；Fig. 2 is active support component structural representation provided in an embodiment of the present invention；Fig. 3 is the present invention
The passive-type support component structural representation that embodiment is provided；Fig. 4 is the sheath tubular construction of conveying sheath provided in an embodiment of the present invention
Schematic diagram；Fig. 5 is the expander structural representation of conveying sheath provided in an embodiment of the present invention；Fig. 6 is provided for the embodiment of the present invention
Loader structural representation；Fig. 7 is the first support frame structure schematic diagram provided in an embodiment of the present invention；Fig. 8 is the present invention
Second support frame structure schematic diagram that embodiment is provided；Fig. 9 shows for the third support frame structure provided in an embodiment of the present invention
It is intended to；Figure 10 is the 4th kind of support frame structure schematic diagram provided in an embodiment of the present invention.
In a kind of specific embodiment, provisional support meanss in chamber provided by the present invention, including support component 1
With conveying sheath 2, conveying sheath 2 can be set in outside the support component 1 after radial contraction, and conveying sheath 2 includes sheath 10 and expansion
Device 11, support component 1 for conveying and withdrawing from support component 1, sent into and withdrawn from vivo.Expander 11 is tight with the front end of sheath 10
Close fit and tapering transition, expander 11 are provided with guidewire lumen, and guidewire lumen is compatible with seal wire, and the conical head of expander 11 can stretch out sheath
Pipe 105-25mm, conveys the internal diameter of sheath 2 more than or equal to the minimal compression external diameter of support frame 4 and the external diameter of connector 5.
Support component 1 includes support frame 4, handle 6 and connector 5, and the radial direction of support frame 4 can shrink to change diameter
Size, is sent into and is withdrawn from vivo by the conveying sheath 2 of reduced size.Connector 5 couples together handle 6 and handle 6.Support group
Part 1 undertakes supporting role during feeding, and the blood flow of acted on tube chamber will not be blocked during withdrawing from.Support meanss are mainly used
Temporary support is provided to overlay film frame when overlay film frame orthotopic fenestration at the arch of aorta, makes the orthotopic fenestration of overlay film frame more
Easily, it is safer.Can also be used to assist other apparatuses preferably to attach vascular wall or cavity, or the temporary support in support
Overlay film frame etc. prevents its displacement etc., and it can realize that the improvement support as balloon expandable attaches effect without blocking blood vessel
Supply of blood flow, can significantly reduce operation technique risk and complication.
Provisional support meanss in chamber provided by the present invention, realize that overlay film frame occurs at many points in arotic disease
At branch vessel, involve at multiple-limb blood vessel or too close to the application orthotopic fenestration technology at multiple-limb blood vessel and make overlay film frame
Provisional support force powerful enough is can obtain, while not blocking blood flow again, solves overlay film frame of the prior art and exist
It is applied to the problems such as orthotopic fenestration is difficult at multiple-limb blood vessel.
Provisional support meanss are only a kind of preferred schemes in above-mentioned chamber, are specifically not limited thereto, on this basis
Can according to actual needs make with targetedly adjusting, so as to obtain different implementation methods, also including loader 3, be used for
Assist compression support frame 4 simultaneously support frame 4 is received in it, facilitate support component 1 send into sheath 10 in, its architectural feature with it is normal
Rule artery loader 3 is without significant difference.The internal diameter of loader 3 is less than or equal to the internal diameter of sheath 10, and more than or equal to support frame 4
The external diameter of minimal compression external diameter and connector 5, the effective length of loader 3 is more than or equal to support frame 4 in minimal compression diameter
Axial length.
For the patient for needing interim chamber inner support, will convey the component of sheath 2 along seal wire and be sent into from compared with thin vessels puncture, directly
To the indicating of sheath 10 just across focal area, then expander 11 is withdrawn from, whether seal wire has guidewire lumen to determine according to support component 1
Whether seal wire is withdrawn from, then the support frame 4 of support component 1 is received to loader 3, heparin saline punching is carried out to loader 3
Wash, then loader 3 is inserted in sheath 101 to the front end of loader 3 through the haemostatic valve of sheath 10, loader 3 is taken out
Suction and discharge, after the completion of exhaust to pipeline inject heparin saline anti-freezing, advance support component 1, until the head end of support frame 4 just beyond
At the indicating of sheath 10, support component 1 is then fixed, sheath 10 to support frame 4 is withdrawn slightly and is fully deployed.Active support group
Part is adjusted to suitable diameter by handle 6 and locks diameter dimension, and passive-type support component is supported by its own radial load.Temporarily
Property support after the completion of, fixed sheath 10 is unclamped to active support component and is locked, and catches front hand grip to withdraw, and frame to be supported 4 is received
After entering in sheath 10, support component 1 can be selected to be withdrawn from from sheath 10 or withdrawn from vivo together with sheath 10；Passive-type is straight
Connect and catch handle 6 to withdraw from support component 1 backward.
On the basis of above-mentioned specific embodiment, those skilled in the art can be according to the difference of specific occasion, to chamber
Interior provisional support meanss carry out some changes, and support component 1 includes active support component and passive-type support component, main
The active support frame of ejector half support component keeps preset diameters in the case where being acted on without external force, can be adjusted by driving active handle
The axial length of active support frame is saved, to change the diameter of active support frame, realizes the diameter of support frame 4 in setting range
Interior change, to be supported chamber to provide enough support forces, using more facilitating, more flexibly.The support of passive-type support component
Frame 4 keeps preset diameters in the case where being acted on without external force, it is not possible to the diameter for changing support frame 4 is adjusted by handle 6, and handle 6 can be with
For providing support less than or equal to the tube chamber of the diameter dimension of support frame 4 for diameter, the size of the support force of handle 6 by its own radially
Power decision, simple structure.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of specific occasion to above-mentioned
Specific embodiment carries out some changes, and the active connector of active support component includes inner tube or mandrel 9 and outer tube 7,
Inner tube or mandrel 9 select one, that is to say, that can be solid, can be hollow.The outer tube 7 of active support component is connected
The near-end of support frame 4, inner tube or mandrel 9 connect the distal end of support frame 4, i.e. outer tube 7 is connected with active support frame, inner tube or core
Axle 9 is connected with active handle, and outer tube 7 is placed on inner tube or the outside of mandrel 9 and can be moved relative to inner tube or mandrel 9, can drive
The axial length change of active support frame, the change of the axial length of active support frame drives the diameter of active support frame
Change, it is more dexterous, it is easy to take in sheath 10.The connector 5 of passive-type support component can be pipe shaft or mandrel 9, connection
Part 5 is connected with the near-end of support frame 4, and connector 5 couples together support frame 4 and handle 6, simple structure, it is easy to processing and fabricating.
It is important to note that support meanss provisional in chamber provided by the present invention are not intended to be limited to this kind of feelings
Shape, active handle is the independent front and rear handle that can be relatively moved, and outer tube 7 is connected with front hand grip, inner tube or mandrel 9 with it is rear
Handle is connected, and the axle of the distance active support frame of adjustment of front hand grip and back handle is changed by driving front hand grip or back handle
To length change, and then drive the diameter change of active support frame, it is easy to process, cost is relatively low.Active handle can also
Be rotary type handle, by threaded engagement drive outer tube 7 relatively move or inner tube or mandrel 9 with outer tube 7 while move towards,
It is more accurate.The handle 6 of passive-type support component is used to facilitate the feeding of support frame 4 and withdraws from operation, relatively simple.
Provisional support meanss in chamber provided by the present invention, in the case of other parts are immovable, active hand
It is provided with locking the constant locking device 8 of active support frame diameter dimension on handle, after the completion of adjustment, locks active branch
The axial length of support will not change, it is ensured that the normal work of support meanss.
For support meanss provisional in the chamber in above-mentioned each embodiment, the structure type of support frame 4 is more, actively
The support frame 4 of type support component and passive-type support component can be bird-caging support frame, the shape shuttle-type support frame that two ends are drawn in
Or pumpkin type support frame, its supporting section is straight type, wave mode, Z-type, the two ends of supporting section and the connection of termination be line style, grid or
Both Hybrid connections；The support frame 4 of passive-type support component also be funnel type support frame, its supporting section be wave mode, Z-type, its
The near-end of supporting section is line style or Mesh connection with the connection of termination, and the support frame 4 of specifically used which kind of structure type can be with root
Depending on according to practical situations, all within the scope of the present invention.
In order to further optimize above-mentioned technical proposal, support frame 4 is cleaved by memory metal or welds thermally treated system again
Form, the surface of support frame 4, it is smooth without hangnail, hook, thorn, anchor etc. be sharp, bulge-structure.Support frame 4 can add development material
The bed of material, it is also possible to rely on own material to develop under fluoroscopy.
On the basis of above-mentioned each specific embodiment, connector 5 is more than from the near-end of support frame 4 to the length of handle 6
Equal to the overall length that the overall length of sheath 10 adds loader 3, the length of connector 5 is more long, it is ensured that can be suitable when support frame 4 is axially varying
Profit enters sheath 10 and loader 3, and loader 3 is enclosed within support component 1, and preceding using, the connecting piece of support component 1 runs through
In whole loader 3, to facilitate surgical operation.
Another inventive concept provided by the present invention is, arbitrary value between a diameter of 5-60mm of support frame 4, including
Endpoint value, support segment length is arbitrary value between 5-30mm, including endpoint value, and concrete numerical value can be according to particular condition in use
Different sets itselfs.The diameter adjustable extent of active support frame is 3-80mm, and adjusting range is larger, and the scope of application is wider.
Preferably, it is provided with different x-ray Marking ring at the opening of sheath 10 of conveying sheath 2.
Preferably, the sheath 10 of conveying sheath 2 is provided with haemostatic valve.
Preferably, the sheath 10 of conveying sheath 2 is provided with side pipe and valve.
Preferably, loader 3 is provided with haemostatic valve.
Preferably, loader 3 is provided with side pipe and valve.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (10)
1. support meanss provisional in a kind of chamber, it is characterised in that including support component (1) and radial contraction can be set in
It is used to send into the support component (1) outside the support component (1) afterwards and withdraws from internal conveying sheath (2), the branch
Support component (1) can shrink support frame (4), handle (6) and connection support frame as described above (4) for changing diameter including radial direction
With the connector (5) of the handle (6), conveying sheath (2) includes sheath (10) and expander (11), described to convey sheath (2)
Internal diameter more than or equal to support frame as described above (4) minimal compression external diameter and the connector (5) external diameter.
2. support meanss according to claim 1, it is characterised in that also including for assisting compression support frame as described above (4)
And by support frame as described above (4) storage to the loader (3) in it, the internal diameter of the loader (3) is less than or equal to the sheath
(10) internal diameter, and minimal compression external diameter and the external diameter of the connector (5) more than or equal to support frame as described above (4), the dress
The effective length for carrying device (3) is more than or equal to axial length of the support frame as described above (4) in minimal compression diameter.
3. support meanss according to claim 2, it is characterised in that the support component (1) includes active support group
Part and passive-type support component, the active support frame (4) of the active support component keep default in the case where being acted on without external force
Diameter, the axial length of the active support frame is adjusted to change the active support frame by driving active handle
Diameter.
4. support meanss according to claim 3, it is characterised in that the active connector of the active support component
Including inner tube or mandrel (9) and outer tube (7), the outer tube (7) is connected with the active support frame, said inner tube or mandrel
(9) it is connected with the active handle, the outer tube (7) is placed on outside said inner tube or mandrel (9) and can be with respect to said inner tube
Or mandrel (9) is mobile.
5. support meanss according to claim 4, it is characterised in that the active handle is can relatively move only
Vertical front and rear handle；
Or, it is to drive the outer tube (7) to relatively move or said inner tube or mandrel (9) and the outer tube by threaded engagement
(7) while the rotary type handle for moving towards.
6. support meanss according to claim 4, it is characterised in that be provided with locking institute on the active handle
State the constant locking device (8) of active support frame diameter dimension.
7. support meanss according to claim any one of 1-6, it is characterised in that
The bird-caging support that the support frame (4) of the active support component and the passive-type support component draws in for two ends
Frame, shape shuttle-type support frame or pumpkin type support frame, its supporting section are straight type, wave mode, Z-type, the two ends and termination of the supporting section
Connection be the Hybrid connections of line style, grid or both；
The support frame (4) of the passive-type support component is also funnel type support frame, and its supporting section is wave mode, Z-type, its supporting section
The connection of near-end and termination be line style or Mesh connection.
8. support meanss according to claim 1, it is characterised in that support frame as described above (4) by memory metal it is cleaved or
Welding is thermally treated again to be made, and developing material layer is provided with support frame as described above (4).
9. support meanss according to claim 2, it is characterised in that the connector (5) is from the near of support frame as described above (4)
Hold to the length of the handle (6) and add the overall length of the loader (3) more than or equal to the overall length of the sheath (10).
10. support meanss according to claim 3, it is characterised in that a diameter of 5-60mm of support frame as described above (4), branch
Support segment length is 5-30mm, and the diameter adjustable extent of the active support frame is 3-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710133847.0A CN106691627A (en) | 2017-03-08 | 2017-03-08 | Intracavity temporary supporting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710133847.0A CN106691627A (en) | 2017-03-08 | 2017-03-08 | Intracavity temporary supporting device |
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| CN106691627A true CN106691627A (en) | 2017-05-24 |
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| CN201710133847.0A Pending CN106691627A (en) | 2017-03-08 | 2017-03-08 | Intracavity temporary supporting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009589A (en) * | 2018-08-22 | 2018-12-18 | 湖南埃普特医疗器械有限公司 | A kind of ventricle capacity-reduction device and its transportation system |
| CN109498212A (en) * | 2018-12-04 | 2019-03-22 | 无锡市人民医院 | A kind of overlay film frame dilator |
| CN112402060A (en) * | 2020-11-02 | 2021-02-26 | 金仕生物科技（常熟）有限公司 | Delivery system of intervention valve |
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| CN112402060A (en) * | 2020-11-02 | 2021-02-26 | 金仕生物科技（常熟）有限公司 | Delivery system of intervention valve |
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Application publication date: 20170524 |