CN110251272A - A kind of skeleton three-dimensional cardiovascular inner supporting device of attaching - Google Patents
A kind of skeleton three-dimensional cardiovascular inner supporting device of attaching Download PDFInfo
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- CN110251272A CN110251272A CN201910511222.2A CN201910511222A CN110251272A CN 110251272 A CN110251272 A CN 110251272A CN 201910511222 A CN201910511222 A CN 201910511222A CN 110251272 A CN110251272 A CN 110251272A
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- side wall
- supporting device
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- 230000002526 effect on cardiovascular system Effects 0.000 title claims abstract description 24
- 238000005452 bending Methods 0.000 claims abstract description 50
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 18
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 5
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910001000 nickel titanium Inorganic materials 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 4
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 230000002792 vascular Effects 0.000 claims description 3
- 230000001788 irregular Effects 0.000 abstract description 6
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 3
- 239000008236 heating water Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 150000002632 lipids Chemical class 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—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
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/92—Stents in the form of a rolled-up sheet expanding after insertion into the vessel, e.g. with a spiral shape in cross-section
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2002/821—Ostial stents
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Gastroenterology & Hepatology (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of skeleton three-dimensional cardiovascular inner supporting devices of attaching, it includes the support frame of Nitinol material and the elastic membrane that is attached inside and outside the support frame, wherein, the support frame includes several side wall support framework rings radially arranged and is arranged between the side wall support framework ring, several torsional bending skeletal chains for connecting adjacent wall support rib mounting ring；The side wall support framework ring extends in sinusoidal wave shape, and surrounds ring seal；The torsional bending skeletal chain is in serpentine, and interval is laid between the adjacent side wall support framework ring；The elasticity membrane includes the vortex film for being attached at the adsorbed film on the outside of the support frame He being attached on the inside of the support frame.This skeleton three-dimensional angiocarpy inner supporting device that attaches can adapt to the space irregular shape of blood vessel, realize that carrying out the three-dimensional curable type that attaches to painstaking effort inside pipe wall on three-dimensional space supports.
Description
Technical field
The present invention relates to a kind of skeleton three-dimensional cardiovascular inner supporting device of attaching, in particular to one kind can exist from inside
The three-dimensional device for attaching curable type support is carried out to painstaking effort inside pipe wall on three-dimensional space.
Background technique
It is simple to be currently used for blood vessel, cardiovascular connection branch, valvular supporting structure, it mostly can be along middle dilatation shaft
Straight pipe type bracket, although this bracket can adapt to the support in linear type blood vessel or channel, but people's body vessel is not advised mostly
Then shape, and intracardiac then shape is increasingly complex, it may be along with the conduit wall of bending and distortion, it is therefore desirable to which one kind can adapt to
Irregular shape channel and the support device that simultaneously curable type can be closely attached to conduit wall.
Summary of the invention
The technical problem to be solved by the present invention is to how overcome the drawbacks described above of the prior art, a kind of skeleton solid is provided
Attach cardiovascular inner supporting device.
In order to solve the above technical problems, this skeleton three-dimensional angiocarpy inner supporting device that attaches includes Nitinol material
Support frame and the elastic membrane being attached inside and outside the support frame, wherein the support frame includes radially arranging
Several side wall support framework rings and be arranged between the side wall support framework ring, for connecting adjacent wall support rib mounting ring
Several torsional bending skeletal chains；The side wall support framework ring extends in sinusoidal wave shape, and surrounds ring seal；The torsion
Being bent skeletal chain is in serpentine, and interval is laid between the adjacent side wall support framework ring；The elasticity membrane includes attaching
Adsorbed film on the outside of the support frame and the vortex film being attached on the inside of the support frame.
It is designed in this way, by the sacculus of present apparatus set to insertion type foley's tube when use, after immersing heating water bath, Yu Xin
Intervention foley's tube is sent into cardiovascular inside to sacculus and arrives at narrow thin position by the narrow thin near sites puncture of blood vessel, and sacculus fills rapidly
Gas props up support frame, and after sizing to be cooled, Deflation is withdrawn, and seals intervention pipe site of puncture using diathermy forceps.It is sinusoidal
The side wall support framework ring of wavy extension can be expanded in deformation after inflated, while support adsorbed film is adjacent in angiocarpy
Wall, serpentine torsional bending skeletal chain are capable of providing radial extent, radially bending and the deformation space radially reversed, and in cooling
Afterwards inside and outside curable type peritonaeum, each side wall support framework ring spatial position, so that the space for making the present apparatus can adapt to blood vessel is not advised
Then shape realizes that carrying out the three-dimensional curable type that attaches to painstaking effort inside pipe wall on three-dimensional space supports.
As optimization, the Wave crest and wave trough position of the adjacent wall support rib mounting ring is corresponding, the torsional bending skeleton
Chain is arranged between the wave crest of adjacent wall support rib mounting ring.3. skeleton three-dimensional attaching painstaking effort according to claim 2
Pipe inner supporting device, it is characterized in that: being located at the torsional bending skeletal chain of same column, serpentine bending direction is identical；Positioned at adjacent two column
Torsional bending skeletal chain, serpentine bending direction is identical.
It is designed in this way, torsional bending skeletal chain is attached in adjacent wall support rib mounting ring proximal most position, guarantees to turn round
The largest variable for bent skeletal chain of turning, while the interval for realizing the torsional bending skeletal chain is laid, collateral security is reversed, is curved
During curved change, each section of torsional bending skeletal chain is independent of each other, to provide maximum deformation space.
As optimization, the outer absorption film outer surface lays several thin-walled adsorption tubes.
It is designed in this way, for adsorbing vascular inner surface, keeps the fixation of the present apparatus in the blood vessels more secured.
As optimization, the interior vortex film inner wall is equipped with spiral helicine water conservancy diversion whirlpool edge, water conservancy diversion whirlpool edge and interior vortex
It is excessive for circular arc between film inner wall.
It is designed in this way, leads for setting blood to stay as vortex, the blood flow of blood flow velocity and the position after being expanded with guarantee
Pressure can accumulate blood lipid in anti-locking apparatus for circular arc surdimensionnement between water conservancy diversion whirlpool edge and interior vortex film inner wall, to prevent
The position forms blood resistance again.
A kind of skeleton three-dimensional cardiovascular inner supporting device of attaching of the invention, the side wall support bone extended through sinusoidal wave shape
Mounting ring cooperates the design of serpentine torsional bending skeletal chain, deformation can expand after inflated, while support adsorbed film pastes
Tight painstaking effort inside pipe wall, and radial extent, radially bending and the deformation space radially reversed are provided, and the abdomen inside and outside curable type after cooling
It is realized so that the present apparatus be made to can adapt to the space irregular shape of blood vessel the spatial position of film, each side wall support framework ring
The three-dimensional curable type that attaches is carried out to painstaking effort inside pipe wall on three-dimensional space to support.
Detailed description of the invention
The three-dimensional angiocarpy inner supporting device that attaches skeleton to the present invention is described further with reference to the accompanying drawing:
Fig. 1 is the schematic perspective view of this skeleton three-dimensional embodiment 1 for attaching cardiovascular inner supporting device；
Fig. 2 is the layered structure schematic diagram of this skeleton three-dimensional embodiment 1 for attaching cardiovascular inner supporting device；
Fig. 3 is the deployed configuration schematic diagram of this skeleton three-dimensional support frame for attaching cardiovascular inner supporting device；
Fig. 4 is the schematic perspective view of this skeleton three-dimensional embodiment 2 for attaching cardiovascular inner supporting device；
Fig. 5 is the layered structure schematic diagram of this skeleton three-dimensional embodiment 2 for attaching cardiovascular inner supporting device；
Fig. 6 is the half-sectional structure of the embodiment 2 of this skeleton three-dimensional support frame for attaching cardiovascular inner supporting device
Schematic diagram.
In figure:
1- support frame；11- side wall support framework ring, 12- torsional bending skeletal chain；
2- elasticity membrane；21- adsorbed film, 22- are vortexed film；211- thin-walled adsorption tube, 221- water conservancy diversion whirlpool edge.
Specific embodiment
Embodiment 1: as shown in Figures 1 to 3, this skeleton three-dimensional angiocarpy inner supporting device that attaches includes Nitinol material
The support frame 1 of matter and the elastic membrane 2 being attached inside and outside the support frame 1, wherein the support frame 1 includes edge
Several side wall support framework rings 11 for radially arranging and it is arranged between the side wall support framework ring 11, for connecting adjacent wall
Several torsional bending skeletal chains 12 of support rib mounting ring 11；The side wall support framework ring 11 extends in sinusoidal wave shape, and encloses
Cyclic Shape closed；The torsional bending skeletal chain 12 be in serpentine, interval be laid in the adjacent side wall support framework ring 11 it
Between；The elasticity membrane 2 includes being attached at the adsorbed film 21 in 1 outside of support frame and being attached on the inside of the support frame 1
It is vortexed film 22.By at the sacculus of present apparatus set to insertion type foley's tube when use, after immersing heating water bath, in cardiovascular narrow thin
Intervention foley's tube is sent into cardiovascular inside to sacculus and arrives at narrow thin position by near sites puncture, and sacculus is inflated rapidly will support
Skeleton is propped up, and after sizing to be cooled, Deflation is withdrawn, and seals intervention pipe site of puncture using diathermy forceps.Sinusoidal wave shape extends
Side wall support framework ring deformation can be expanded after inflated, while support adsorbed film is adjacent to painstaking effort inside pipe wall, and serpentine is turned round
Bent skeletal chain of turning is capable of providing radial extent, radially bending and the deformation space radially reversed, and after cooling inside and outside curable type
It is realized so that the present apparatus be made to can adapt to the space irregular shape of blood vessel the spatial position of peritonaeum, each side wall support framework ring
The three-dimensional curable type that attaches is carried out to painstaking effort inside pipe wall on three-dimensional space to support.
The Wave crest and wave trough position of the adjacent wall support rib mounting ring 11 is corresponding, and the torsional bending skeletal chain 12 is arranged
Between the wave crest of adjacent wall support rib mounting ring 11.Positioned at the torsional bending skeletal chain 12 of same column, serpentine bending direction phase
Together；Positioned at the torsional bending skeletal chain 12 of adjacent two column, serpentine bending direction is identical.Torsional bending skeletal chain is in sides adjacent
Wall support rib mounting ring proximal most position is attached, and guarantees the largest variable of torsional bending skeletal chain, while realizing the torsion
The interval for bent skeletal chain of turning is laid, and during collateral security torsion, Bending Deformation, each section of torsional bending skeletal chain is independent of each other,
To provide maximum deformation space.
Embodiment 2: as shown in Figs. 4-6, this skeleton three-dimensional angiocarpy inner supporting device that attaches includes Nitinol material
The support frame 1 of matter and the elastic membrane 2 being attached inside and outside the support frame 1, wherein the support frame 1 includes edge
Several side wall support framework rings 11 for radially arranging and it is arranged between the side wall support framework ring 11, for connecting adjacent wall
Several torsional bending skeletal chains 12 of support rib mounting ring 11；The side wall support framework ring 11 extends in sinusoidal wave shape, and encloses
Cyclic Shape closed；The torsional bending skeletal chain 12 be in serpentine, interval be laid in the adjacent side wall support framework ring 11 it
Between；The elasticity membrane 2 includes being attached at the adsorbed film 21 in 1 outside of support frame and being attached on the inside of the support frame 1
It is vortexed film 22.By at the sacculus of present apparatus set to insertion type foley's tube when use, after immersing heating water bath, in cardiovascular narrow thin
Intervention foley's tube is sent into cardiovascular inside to sacculus and arrives at narrow thin position by near sites puncture, and sacculus is inflated rapidly will support
Skeleton is propped up, and after sizing to be cooled, Deflation is withdrawn, and seals intervention pipe site of puncture using diathermy forceps.Sinusoidal wave shape extends
Side wall support framework ring deformation can be expanded after inflated, while support adsorbed film is adjacent to painstaking effort inside pipe wall, and serpentine is turned round
Bent skeletal chain of turning is capable of providing radial extent, radially bending and the deformation space radially reversed, and after cooling inside and outside curable type
It is realized so that the present apparatus be made to can adapt to the space irregular shape of blood vessel the spatial position of peritonaeum, each side wall support framework ring
The three-dimensional curable type that attaches is carried out to painstaking effort inside pipe wall on three-dimensional space to support.
The Wave crest and wave trough position of the adjacent wall support rib mounting ring 11 is corresponding, and the torsional bending skeletal chain 12 is arranged
Between the wave crest of adjacent wall support rib mounting ring 11.3. in skeleton three-dimensional attaching angiocarpy according to claim 2
Support device, it is characterized in that: being located at the torsional bending skeletal chain 12 of same column, serpentine bending direction is identical；Positioned at adjacent two column
Torsional bending skeletal chain 12, serpentine bending direction are identical.Torsional bending skeletal chain is in the nearest position of adjacent wall support rib mounting ring
It sets and is attached, guarantee the largest variable of torsional bending skeletal chain, while realizing the interval of the torsional bending skeletal chain
It lays, during collateral security torsion, Bending Deformation, each section of torsional bending skeletal chain is independent of each other, empty to provide maximum deformation
Between.
Lay several thin-walled adsorption tubes 211 in 21 outer surface of outer adsorbed film.For adsorbing vascular inner surface, make the present apparatus
Fixation in the blood vessels is more secured.Interior 22 inner wall of vortex film is equipped with spiral helicine water conservancy diversion whirlpool edge 221, the water conservancy diversion whirlpool
It is excessive for circular arc between edge 221 and interior 22 inner wall of vortex film.It leads for setting blood to stay to be vortexed, to guarantee the blood flow after expansion
The blood stream pressure of speed and the position, can be in anti-locking apparatus for circular arc surdimensionnement between water conservancy diversion whirlpool edge and interior vortex film inner wall
Blood lipid is accumulated, to prevent the position from forming blood resistance again.
This skeleton three-dimensional side wall support framework ring cooperation for attaching cardiovascular inner supporting device and being extended through sinusoidal wave shape
The design of serpentine torsional bending skeletal chain can be expanded in deformation after inflated, while support adsorbed film is adjacent to angiocarpy
Inner wall, and radial extent, radially bending and the deformation space radially reversed are provided, and peritonaeum, each side inside and outside curable type after cooling
It realizes so that the present apparatus be made to can adapt to the space irregular shape of blood vessel in three-dimensional space the spatial position of wall support rib mounting ring
Between on painstaking effort inside pipe wall is carried out three-dimensional to attach curable type support.
Above embodiment, which is intended to illustrate the present invention, to be realized or use for professional and technical personnel in the field, to above-mentioned
Embodiment, which is modified, will be readily apparent to those skilled in the art, therefore the present invention includes but is not limited to
Above embodiment, it is any to meet the claims or specification description, meet with principles disclosed herein and novelty,
The method of inventive features, technique, product, fall within the scope of protection of the present invention.
Claims (5)
1. a kind of skeleton three-dimensional cardiovascular inner supporting device of attaching, it is characterized in that: including the support frame of Nitinol material
(1) and the elastic membrane (2) that is attached inside and outside the support frame (1), wherein
The support frame (1) includes several side wall support framework rings (11) radially arranged and is arranged in the side wall support
Several torsional bending skeletal chains (12) between framework ring (11), for connecting adjacent wall support rib mounting ring (11)；
The side wall support framework ring (11) extends in sinusoidal wave shape, and surrounds ring seal；The torsional bending skeletal chain
It (12) is in serpentine, interval is laid between the adjacent side wall support framework ring (11)；
The elasticity membrane (2) includes being attached at the adsorbed film (21) on the outside of the support frame (1) and being attached at the support frame
(1) the vortex film (22) on the inside of.
2. the skeleton three-dimensional cardiovascular inner supporting device of attaching according to claim 1, it is characterized in that: the adjacent wall
The Wave crest and wave trough position of support rib mounting ring (11) is corresponding, and the torsional bending skeletal chain (12) is arranged in adjacent wall support rib
Between the wave crest of mounting ring (11).
3. the skeleton three-dimensional cardiovascular inner supporting device of attaching according to claim 2, it is characterized in that: being located at the torsion of same column
The bent skeletal chain (12) of turning, serpentine bending direction are identical；Positioned at the torsional bending skeletal chain (12) of adjacent two column, serpentine bending
Direction is identical.
4. the skeleton three-dimensional cardiovascular inner supporting device of attaching according to claim 3, it is characterized in that: the outer adsorbed film
(21) several thin-walled adsorption tubes (211) are laid in outer surface.It is designed in this way, for adsorbing vascular inner surface, makes the present apparatus in blood vessel
Interior fixation is more secured.
5. the skeleton three-dimensional cardiovascular inner supporting device of attaching according to claim 3, it is characterized in that: the interior vortex film
(22) inner wall is equipped with spiral helicine water conservancy diversion whirlpool edge (221), is between water conservancy diversion whirlpool edge (221) and interior vortex film (22) inner wall
Circular arc is excessive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511222.2A CN110251272A (en) | 2019-06-13 | 2019-06-13 | A kind of skeleton three-dimensional cardiovascular inner supporting device of attaching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511222.2A CN110251272A (en) | 2019-06-13 | 2019-06-13 | A kind of skeleton three-dimensional cardiovascular inner supporting device of attaching |
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| CN110251272A true CN110251272A (en) | 2019-09-20 |
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| CN201910511222.2A Pending CN110251272A (en) | 2019-06-13 | 2019-06-13 | A kind of skeleton three-dimensional cardiovascular inner supporting device of attaching |
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