CN108624747A - A kind of aortic stents ring shaping mould - Google Patents
A kind of aortic stents ring shaping mould Download PDFInfo
- Publication number
- CN108624747A CN108624747A CN201810688046.5A CN201810688046A CN108624747A CN 108624747 A CN108624747 A CN 108624747A CN 201810688046 A CN201810688046 A CN 201810688046A CN 108624747 A CN108624747 A CN 108624747A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- master mold
- male model
- shaping mould
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007493 shaping process Methods 0.000 title claims abstract description 18
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 63
- 238000003825 pressing Methods 0.000 claims abstract description 47
- 238000013519 translation Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000009828 non-uniform distribution Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000007474 aortic aneurysm Diseases 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- 206010070693 Vascular dissection Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 201000011066 hemangioma Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 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 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of aortic stents ring shaping mould, the cyclic annular master mold of pressing plate is equipped with by the end face being mutually socketed and cylindric male model that peripheral surface is equipped with pressing plate forms, master mold annular cavity radially sets that there are one guide pins.Male model circumferential lateral surface is axially arranged with a guide groove along it.The guide groove coordinates with the guide pin on master mold, its relative motion between master mold is made to be only limitted to axial translation.It is set there are one limited block near head end about one third inside the guide groove, limitation male model carries out the extreme position of axial translation with respect to master mold.Compared with prior art, the configuration of the present invention is simple can be used for realizing the setting of aortic stents ring.
Description
Technical field
The invention belongs to the field of medical instrument technology, more particularly, to a kind of aortic stents ring shaping mould.
Background technology
Aorta vessel disease especially vascular dissection and hemangioma are a kind of diseases seriously endangering patients ' lives safety.
Aortic aneurysm therapy using it is wide be endovascular repair (Endovascularaortic Aneurysm Repair,
EVAR).EVAR is that overlay film frame is implanted into aortic aneurysm intracavitary by transport system, new channel of blood flow is rebuild, to reach
Therapeutic purposes have the characteristics that minimally invasive, safe, the death rate is low, incidence is low.Clinically for treating arotic disease
Overlay film frame belong to Z-type holder mostly.Manufacture craft mostly uses high-elastic nitinol alloy wire establishment support ring and by polymeric membrane
It sutures or is coated in support ring.The establishment forming of support ring is needed using dedicated mold and need to be heat-treated.Therefore, it props up
Mounting ring design optimization or not directly affect the setting quality good or not of support ring and the difficulty or ease of demoulding.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of structure is simple, demoulding side
Just aortic stents ring shaping mould.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of aortic stents ring shaping mould is equipped with the cyclic annular master mold and peripheral surface of pressing plate by the end face being mutually socketed
Cylindric male model composition equipped with pressing plate.
Cyclic annular master mold includes a cyclic structure and the pressing plate that is distributed on its end face.Pressing plate is in along the radial direction of cyclic structure
Radial distribution.
Cyclic annular master mold top board is equipped with one section of limiting stand for support ring close to side the upper end of cyclic structure axis
Setting, the limiting stand is vertical with cyclic structure axis direction, rounded corner, and length is equal to the diameter of scaffolding thread.The limiting stand with away from
It is at least 30mm from the distance between closer cyclic structure end face.
Cyclic annular master mold top board is since the side far from cyclic structure axis, along 45 degree of angle straight line updips, until limit
It platform and merges with it.
Cyclic annular master mold top board is set as cylindrical surface close to the side of cyclic structure axis, the cylindrical surface and cyclic structure it is interior
Cylindrical surface belongs to same cylindrical surface.
The inner cylinder face upper edge of cyclic annular master mold cyclic structure its be radially provided with a guide pin.
Pressing plate may be configured as being distributed uniformly and circumferentially or non-uniform Distribution according to demand, and pressing plate number can be according to requiring
It adjusts, the limiting stand on different pressing plates can be distributed in the same plane or in Different Plane.
Cylindric male model includes a cylinder-like structure and the pressing plate that is distributed on its external cylindrical surface.Pressing plate is tied along cylindric
The radial direction of structure is radially distributed.
Cylinder-like structure is a hollow cylinder, and head end is set there are one conical structure.Cylinder-like structure external cylindrical surface
Diameter is equal to the diameter of cyclic annular mesh mould cyclic structure inner cylinder face.
Cylindric male model top board is equipped with one section of limiting stand close to side the upper end of cylinder axis to be determined for support ring
Shape, the limiting stand is vertical with cylinder axis direction, rounded corner, and length is equal to the diameter of scaffolding thread.Cylindric male model top board edge
The minimum constructive height in cylinder axis direction is at least 30mm.
Cylindric male model top board has a down dip since the side far from cylinder axis along 45 degree of angle straight lines, until limiting stand
And it merges with it.
The cylindrical periphery side of cylindric male model is axially arranged with a guide groove along it.The width and depth of the guide groove
Degree is equal to the diameter and length of guide pin on cyclic annular master mold.The guide groove coordinates with the guide pin on cyclic annular master mold, makes male model
Relative motion between master mold is only limitted to axial translation.
There are one being set at close its head end about one third inside the guide groove of cylindric male model cylindrical periphery side
Limited block, limitation male model carry out the extreme position of axial translation with respect to master mold.
Pressing plate may be configured as being distributed uniformly and circumferentially or non-uniform Distribution according to demand, and pressing plate number can be according to requiring
It adjusts, the limiting stand on different pressing plates can be distributed in the same plane or in Different Plane.
Compared with prior art, male model is axially towards one another with master mold and is gone in support ring pressing process of the invention, male model
The being determined property of shape of support ring is limited together with the outer cylinder surface of the limiting stand of master mold top board and male model, to
It can ensure the quality that shapes.It is heat-treated and is cooled to room temperature, after master mold is pulled away from male model, a support ring that shaped and male model
The outer cylinder surface of limiting stand and cylinder-like structure on pressing plate contacts, without any demoulding obstacle, outside male model cylinder-like structure
Periphery can axially extract support ring, be easy to demould.
Description of the drawings
Fig. 1 is cyclic annular master structure schematic diagram in the present invention.
Fig. 2 is cylindric male model structural schematic diagram in the present invention.
Fig. 3 is cyclic annular master mold and cylindric male model cooperation schematic diagram before support ring pressing and fixiform.
Fig. 4 is cyclic annular master mold and cylindric male model cooperation schematic diagram after support ring pressing and fixiform.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment
Aortic stents ring shaping mould of the present invention includes that cyclic annular master mold 1 and peripheral surface of the end face equipped with pressing plate are equipped with pressure
The cylindric male model 2 of plate.Cyclic annular master mold 1 shown in Fig. 1 includes a cyclic structure 11 and the pressing plate 12 being distributed on its end face 15.
Pressing plate 12 is radially distributed along the radial direction of cyclic structure 11.1 top board 12 of cyclic annular master mold is close to the side of 1 axis of cyclic structure
Its lower end 13 is equipped with the setting that one section of limiting stand 14 is used for support ring, and the limiting stand 14 and the axis direction of cyclic structure 11 hang down
Directly, rounded corner, length are equal to the diameter of scaffolding thread.The limiting stand 14 and closer the distance between the cyclic structure end face 15 of distance
At least 30mm.1 top board 12 of cyclic annular master mold is since the side far from cyclic structure 11 axis, along 45 degree of angle straight line updips,
It merges up to limiting stand 14 and with it.Cyclic annular master mold top board 12 is set as cylindrical surface 16 close to the side of 11 axis of cyclic structure,
The cylindrical surface 16 and the inner cylinder face 17 of cyclic structure belong to same cylindrical surface.On the inner cylinder face 17 of cyclic annular master mold cyclic structure 11
Guide pin 18 there are one radially setting.Cylindric male model 2 shown in Fig. 2 including a cylinder-like structure 21 and is distributed in its outer circle
Pressing plate 22 on cylinder.Pressing plate 22 is radially distributed along the radial direction of cylinder-like structure 21.Cylinder-like structure 21 is an open circles
Column, head end are set there are one conical structure 23.The diameter on 21 cylindrical surface 24 of cylinder-like structure is equal to cyclic annular master mold cyclic structure
The diameter of 11 inner cylinder faces 17.2 top board 22 of cylindric male model is equipped with one section of limit close to side the upper end 24 of cylinder axis
Platform 25 is used for the setting of support ring, and the limiting stand 25 is vertical with cylinder axis direction, rounded corner, and length is equal to the straight of scaffolding thread
Diameter.Minimum constructive height of 2 top board 22 of cylindric male model along cylinder axis direction is at least 30mm.2 top board 22 of cylindric male model
It since the side far from cylinder axis, has a down dip along 45 degree of angle straight lines, merges up to limiting stand 25 and with it.Cylindric male model 2
Cylindrical surface 24 be axially arranged with a guide groove 26 along it.The width of the guide groove 26 is equal to depth on cyclic annular master mold 1
The diameter and length of guide pin 18.The guide groove 26 coordinates with the guide pin 18 on cyclic annular master mold 1, make cylindric male model 2 with
Relative motion between cyclic annular master mold 1 is only limitted to axial translation.26 inside of guide groove on 2 cylindrical surface 24 of cylindric male model is close
It is set at its head end about one third there are one limited block 27, limits the relatively cyclic annular master mold 1 of cylindric male model 2 and carry out axial translation
Extreme position.The pressing plate 22 on pressing plate 12 and cylindric male model 2 on cyclic annular master mold 1 can be set as circumferentially side according to demand
To being uniformly distributed or non-uniform Distribution, pressing plate number can be according to requiring to adjust, the limiting stand on different pressing plates can be distributed in same
In a plane or in Different Plane.
Following steps can be used in the setting that support ring is carried out using aortic stents ring shaping mould of the present invention：
The first step, scaffolding thread is carried out by modes such as capillaries end to end, forms the circular flat scaffolding thread of closure
Ring.
Second step, as shown in figure 3, vertical place cylindric male model 2；Planar bracket silk ring set is located at the 45 of its pressing plate 22
It spends on inclined surface；Make pressing plate 12 on cyclic annular master mold 1 downwards, and guide pin 18 is made to be directed at the guide groove of cylindric male model
26 jiaos, cyclic annular master mold 1 is pushed, it is made to be moved toward one another with cylindric male model 2, until its pressing plate 12 contacts circular flat holder
Silk ring.
Third walks, as shown in figure 4, continuing to push cyclic annular master mold 1, circular flat scaffolding thread ring is forced to deform, until
Until limited block 27 contacts guide pin 18, at this point, scaffolding thread should ride over the limiting stand 14 and cylindrical shape of cyclic annular master mold 1 simultaneously just
On the limiting stand 25 of male model 2, and it is attached on the cylindrical surface 24 of cylinder-like structure 21 of cylindric male model 2.
The relative position of cylindric male model 2, support ring, 1 three of cyclic annular master mold are remained unchanged, are put into togerther by the 4th step
Equipment for Heating Processing thermomechanical aging.
5th step, heat treatment finish, and keep cylindric male model 2, support ring, 1 three's relative position of cyclic annular master mold constant, will
It takes out and uses the modes such as water quenching down to room temperature.Cyclic annular master mold 1 is detached cylindric male model 2, along cylindrical shape by the 6th step
Male model 2 axially removes support ring.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of aortic stents ring shaping mould, which is characterized in that be equipped with the cyclic annular master mold of pressing plate by the end face being mutually socketed
The cylindric male model that pressing plate is equipped with peripheral surface forms.
2. a kind of aortic stents ring shaping mould according to claim 1, which is characterized in that it is described ring-type master mold include
One cyclic structure and the pressing plate being distributed on its end face, the pressing plate are radially distributed along the radial direction of cyclic structure.
3. a kind of aortic stents ring shaping mould according to claim 2, which is characterized in that the pressing plate is close to cyclic annular
The upper end of structure axis side is equipped with one section of limiting stand, and the limiting stand is vertical with cyclic structure axis direction, and length is equal to holder
The diameter of silk.
4. a kind of aortic stents ring shaping mould according to claim 3, which is characterized in that the pressing plate is from far from ring
The side of shape structure axis starts to merge along 45 degree of angle straight line updips up to limiting stand and with the limiting stand, and pressing plate may be configured as edge
Circumferencial direction is uniformly distributed or non-uniform Distribution, and pressing plate number can be according to requiring to adjust, and the limiting stand on different pressing plates can be distributed
In the same plane or in Different Plane.
5. a kind of aortic stents ring shaping mould according to claim 2, which is characterized in that the pressing plate is close to cyclic annular
The side of structure axis is set as cylindrical surface, and the inner cylinder face of the cylindrical surface and cyclic structure belongs to same cylindrical surface, cyclic structure
Inner cylinder face upper edge its be radially provided with a guide pin.
6. a kind of aortic stents ring shaping mould according to claim 1, which is characterized in that the cylindrical shape male model packet
The pressing plate for including a cylinder-like structure and being distributed on the external cylindrical surface of the cylinder-like structure, the pressing plate is along cylinder-like structure
Radial direction be radially distributed.
7. a kind of aortic stents ring shaping mould according to claim 6, which is characterized in that the cylinder-like structure is
One hollow cylinder, head end are set there are one conical structure, and the diameter of cylinder-like structure external cylindrical surface is equal to the ring of cyclic annular master mold
The diameter of shape structure inner cylinder face.
8. a kind of aortic stents ring shaping mould according to claim 6, which is characterized in that the pressing plate is close to cylinder
Side the upper end of axis is equipped with the setting that one section of limiting stand is used for support ring, and the limiting stand is vertical with cylinder axis direction, long
Diameter of the degree equal to scaffolding thread.
9. a kind of aortic stents ring shaping mould according to claim 8, which is characterized in that the pressing plate is from far from circle
The side of mast axis starts, and has a down dip up to limiting stand along 45 degree of angle straight lines and merges with the limiting stand, pressing plate may be configured as along circle
Circumferential direction is uniformly distributed or non-uniform Distribution, and pressing plate number can be according to requiring to adjust, and the limiting stand on different pressing plates can be distributed in
In approximately the same plane or in Different Plane.
10. a kind of aortic stents ring shaping mould according to claim 6, which is characterized in that the cylindrical shape male model
Cylindrical periphery side be axially arranged with a guide groove along it, the width and depth of the guide groove, which are equal on cyclic annular master mold, leads
To the diameter and length of pin, which coordinates with the guide pin on cyclic annular master mold, makes the opposite fortune between male model and master mold
It is dynamic to be only limitted to axial translation, it is equipped at its head end one third inside the guide groove of cylindric male model cylindrical periphery side
One limited block, limitation male model carry out the extreme position of axial translation with respect to master mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688046.5A CN108624747B (en) | 2018-06-28 | 2018-06-28 | Aortic stent ring shaping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688046.5A CN108624747B (en) | 2018-06-28 | 2018-06-28 | Aortic stent ring shaping die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108624747A true CN108624747A (en) | 2018-10-09 |
| CN108624747B CN108624747B (en) | 2024-03-26 |
Family
ID=63688572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810688046.5A Active CN108624747B (en) | 2018-06-28 | 2018-06-28 | Aortic stent ring shaping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108624747B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160151610A1 (en) * | 2013-05-06 | 2016-06-02 | Fort Wayne Metals Research Products Corp. | Titanium-niobium-hafnium alloy shape memory wire |
| CN106466694A (en) * | 2016-08-30 | 2017-03-01 | 有研医疗器械（北京）有限公司 | A kind of shaper of memory alloy stent ring and processing method for shaping |
| CN107126299A (en) * | 2017-06-08 | 2017-09-05 | 有研医疗器械（北京）有限公司 | A kind of high submissive type thoracic aorta covered bracket and its shaper and method |
| CN208701148U (en) * | 2018-06-28 | 2019-04-05 | 上海理工大学 | A kind of aortic stents ring shaping mould |
-
2018
- 2018-06-28 CN CN201810688046.5A patent/CN108624747B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160151610A1 (en) * | 2013-05-06 | 2016-06-02 | Fort Wayne Metals Research Products Corp. | Titanium-niobium-hafnium alloy shape memory wire |
| CN106466694A (en) * | 2016-08-30 | 2017-03-01 | 有研医疗器械（北京）有限公司 | A kind of shaper of memory alloy stent ring and processing method for shaping |
| CN107126299A (en) * | 2017-06-08 | 2017-09-05 | 有研医疗器械（北京）有限公司 | A kind of high submissive type thoracic aorta covered bracket and its shaper and method |
| CN208701148U (en) * | 2018-06-28 | 2019-04-05 | 上海理工大学 | A kind of aortic stents ring shaping mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108624747B (en) | 2024-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10967570B2 (en) | Device for printing lumen tissue construct, method for using the same and 3D bioprinter | |
| CN105268081B (en) | A kind of clinical vascular intervenien therapy conduit and preparation method thereof | |
| CN208701148U (en) | A kind of aortic stents ring shaping mould | |
| CN107126299A (en) | A kind of high submissive type thoracic aorta covered bracket and its shaper and method | |
| CN103845096A (en) | Left auricle plugging device and production method thereof | |
| CN202515718U (en) | Film-covered stent | |
| CN106491241A (en) | A kind of forming method of aorta tectorial membrane stent | |
| CN106466694B (en) | A kind of shaper of memory alloy stent ring and processing method for shaping | |
| CN108624747A (en) | A kind of aortic stents ring shaping mould | |
| CN110314024A (en) | A kind of conformal adherent endovascular stent | |
| CN107137160A (en) | Prevent the two-way controlled release filter of displacement | |
| CN208701147U (en) | A kind of support ring shaping mould | |
| CN107669379A (en) | Medical rack | |
| CN106821563A (en) | A kind of support for lesion at branch vessel opening | |
| CN208660099U (en) | Angiography catheter with micropore and interposing catheter component | |
| CN108624748A (en) | A kind of support ring shaping mould and its setting process | |
| CN208625932U (en) | Stented vessel system in a kind of aorta art | |
| CN112545604A (en) | Left auricle plugging device | |
| CN208448389U (en) | A kind of Cardiac operation with mini-trauma modified form superior vena cava intubation | |
| CN204765748U (en) | Atrial septal defect plugging device | |
| CN204582262U (en) | The two balloon catheter of vertebral body augmentation | |
| CN110251271A (en) | A kind of pipe silk combination vena cava filter | |
| CN110251824A (en) | A kind of flexible microneedle patch and preparation method thereof for cutaneous penetration | |
| CN211158071U (en) | Cardiovascular expansion device | |
| CN205054515U (en) | Ductus arteriosus support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |