CN207236879U - A kind of artificial heart valve film conveying device - Google Patents
A kind of artificial heart valve film conveying device Download PDFInfo
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- CN207236879U CN207236879U CN201720116220.XU CN201720116220U CN207236879U CN 207236879 U CN207236879 U CN 207236879U CN 201720116220 U CN201720116220 U CN 201720116220U CN 207236879 U CN207236879 U CN 207236879U
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- 210000003709 heart valve Anatomy 0.000 title claims abstract description 53
- 238000005452 bending Methods 0.000 claims abstract description 12
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- 230000008676 import Effects 0.000 claims description 7
- 230000000916 dilatatory effect Effects 0.000 claims description 6
- 210000002216 heart Anatomy 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 4
- 210000001105 femoral artery Anatomy 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 239000002775 capsule Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000007913 intrathecal administration Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000007943 implant Substances 0.000 abstract description 3
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- 210000004204 blood vessel Anatomy 0.000 abstract 1
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- 238000000034 method Methods 0.000 description 5
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 206010019280 Heart failures Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000005240 left ventricle Anatomy 0.000 description 2
- 210000003516 pericardium Anatomy 0.000 description 2
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- 241000283690 Bos taurus Species 0.000 description 1
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- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical group [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
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- 210000000591 tricuspid valve Anatomy 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
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Abstract
The utility model discloses a kind of artificial heart valve film conveying device.Electronic curtain is carried at the handle of conveyer, the balloon surface of conveyer front end has three-dimensional micro sensor, sacculus deformation can be perceived, by signal transmission, force feedback, diameter, the real-time expansion shape of balloon expandable when can obtain balloon expandable in the electronic curtain at handle.Distal handle sets angled control handle with outer tube junction, and the transport system of its adjustable bending can effectively solve the problems, such as that valve crosses blood vessel bend, and the graduation apparatus of conveyer handle can confirm valve and balloon position.Handle proximate end is provided with micro-tensioning system, conveying device can be made more accurately to reach diseased region.New balloon expandable stent conveying device improves the positional accuracy of stenter to implant, and provides parameter reference for doctor, and foundation is provided to clinical simulation medical instrument.Position and the state of valve are precisely judged beneficial to doctor.
Description
Technical field
The utility model belongs to the field of medical instrument technology, is related to a kind of artificial heart valve film conveying device.
Background technology：
Heart is the important organ of human body, provides and circulates for blood of human body, in endocardial, there is four groups of valves, control
Blood flow direction, effectively prevents valvular regurgitation, wherein the valve between atrium sinistrum and left ventricle is bicuspid valve, positioned at the right heart
Valve between room and right ventricle is tricuspid valve, and the valve between left ventricle and main artery is aorta petal, and positioned at the right side
Valve between ventricle and pulmonary artery is pulmonary valve.Valve can cause cardiac insufficiency after going wrong, and increase heart
Burden, causes cardiac failure, and for this kind of heart disease, traditional treatment method is opens chest heart valve replacement surgery, this treatment hand
Section is more ripe, Effect value must be affirmed, but wound is big in surgical procedure and has taboos disease.During the postoperative recovery of patient
Between it is longer, exist to change after valve and do not overcome yet the problems such as needing long-term use of anticoagulation and valve usage time short.
Minimally invasiveization surgery operating technology is evolving, and heart valve prosthesis can be incorporated into vivo, by micro- using conduit
Wound intervention gimmick, operation need not open chest, and wound is small, recovery is fast, for elderly patient or can not be resistant to the trouble of general surgical procedures
Person provides a kind of preferable solution method, has good development and application prospect.
At present, the process that insertion type artificial cardiac valve implants usually all is to rely on conveying device by artificial heart valve
Film is transported to predetermined position and is discharged.Operator is needed to combine ultrasonic, radiography to observe balloon expandable branch during release
The state of frame, operation is cumbersome, is not easy realization and is quickly and accurately positioned release, and the operation to doctor requires very high.Using new
Balloon expandable stent conveying device, it is required when can get information about balloon expandable stent at conveying device handle
Dynamics, angle and real-time expansion diameter, make doctor faster to adjust operation, stent is reached optimal expansion position
Put.
Utility model content
A kind of artificial heart valve film conveying device, including handle, outer tube, inducting device sheath, inner tube, taper importing head, sacculus
Conduit system, micro-tensioning system, adjustable bending system and electronic curtain display system.Overall specification is the defeated through femoral artery of 14-16F
Send system.The taper, which imports head front end, has thread eye, and the diameter of front end is less than the diameter of rear end；The sacculus passes through expansion
The balloon expandable stent that pressure is held in its own face is set to expand；The foley's tube front end is through sacculus and passes through the taper
Head rear end is imported, core carries thread eye；There is the insertion of pressure sensor and flexible electrode on the outer wall of the foley's tube,
Has distensible heart valve prosthesis on foley's tube, foley's tube is entered at cardiac valves through inducting device sheath, is used
Conveyer and casing promote the sacculus and the heart valve prosthesis placed thereon, so that the heart valve prosthesis is located in
In the heart valve annulus to be replaced.Said inner tube is polyimide tube, and through whole transport system, inner tube distal end is led with sacculus
Pipe is engaged, and said inner tube near-end is connected with handle.The distal outer tube is sleeved on said inner tube and foley's tube periphery, outer tube
Near-end is connected with handle, respectively inner tube can be controlled to be axially moveable it with outer tube by the handle, the outside pipe
It is intrathecal that conveying can be sleeved on before human body is implanted into, when dropping back vertically, dilating sacculus and heart valve prosthesis reveal from distal outer tube
Go out, the threeway of handle proximate end can make inflated or filling liquid, trigger force feedback and measurement in real time feeds back to the electrical screen on handle
In curtain, by parameterized graphics control the heart valve prosthesis being held on sacculus will be pressed to discharge completely.
Alternately, the flexible electrode of balloon diameter and shape can be monitored in real time by being provided with the dilating sacculus,
So that the conveyer connector on heart valve prosthesis is passed directly into the electronics of conveyer rear end by the connecting line of electrode rear end
In screen.
Alternately, the taper import head head end be provided with circumferentially around foil gauge, produced by foil gauge
Raw deformation sensed in the chip of handheld electronic screen, by formula scales into the curved angle in conveying device front end.
Alternately, the flexible electrode and pressure sensor are coated on sacculus periphery, and the connecting line drawn is put
It is placed in inner tube, end is directly connected with the chip in electronic curtain.
Alternately, the flexible electrode is uniformly distributed circumferentially on the outer wall of the sacculus, the flexible electrical
Pole is used for the real-time size for measuring sacculus.
Alternately, the electronic curtain is arranged at handle with graduation apparatus, and electronic curtain shows that conveying device is curved
The diameter and form and the real-time force feedback of balloon expandable valve that the angle of song, sacculus are expanded in real time.Graduation apparatus at handle
It can confirm valve and balloon position.
Alternately, the display parameters on the electronic curtain have symbol logo respectively, useRepresent conveying device
The curved angle of head end, the real-time diameter of balloon expandable is represented using D, represents that real-time force used in balloon expandable stent is anti-using F
Feedback, electronic curtain show the real-time expansion shape of sacculus close to handle end.
Alternately, the diameter in real time forms sensor connecting line, the sensor with the Real-time force feedback
Connecting line is not interfere with each other, and is connected in electronic curtain chip.
Alternately, the inducting device sheath has short-range connect with outer tube at nearly patient body end.
Alternately, the distal handle sets angled control handle with outer tube joint, and the control of this knob is defeated
Device front end adjustable bending system is sent to be bent, curvature scope is 0 ° -180 °, and the steel wire of adjustable bending internal system is through whole
Inner and outer pipe.
Alternately, water injection hole, the note are additionally provided with the outer tube fixing piece outer wall or proximal outer tube outer wall
Gap between water hole and outer tube and inner tube communicates, and by evacuated tube, into water injection hole, saline injection can realize emptying behaviour
Make.
Alternately, the handle of the conveying device is divided into outer tube fixing piece, adjustable bending system, electronic curtain system
And micro-tensioning system.The control handle is separately mounted to the curved system of tune with button and inside micro-tensioning system, said inner tube is solid
Determine part distal end to be fixedly connected with outer tube movement control section.
Alternately, in above-mentioned conveying device, above-mentioned distal outer tube is provided with developing ring, further described aobvious
Shadow ring is to have platinumiridio.
The beneficial effects of the utility model：
Artificial heart valve film conveying device described in the utility model is the micro- through femoral artery transport system, adaptation of 14-16F
Invasive procedures, it is ingenious in design, echocardiogram can be coordinated to realize that sacculus expands by the electronic curtain display screen on conveying device handle
Being stably connected with and quick and precisely discharging for formula heart valve prosthesis, it is suitable easy to quickly judge whether under surgical procedure, and
When be adjusted.The parameter of the force feedback of handle portion display screen, figure and angle is also at the same time doctor in simulated surgical operation
Foundation is provided, balloon expandable and the state of stent release is understood more intuitively.Angle control handle at handle and micro-
Button is adjusted to make conveying device that there is good controllability.Inducting device sheath is connected with each other with outer tube in certain distance, convenient solid
It is fixed.The font of electronic curtain, brightness are adjustable, more meet the demand of operator.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the artificial heart valve film conveying device；
Fig. 2 is that the distal handle angle control handle of the artificial heart valve film conveying device and the part of micro-tensioning system are put
Big schematic diagram.
Fig. 3 is the structure diagram of the electronic curtain amplification in the artificial heart valve film conveying device.
Fig. 4 is balloon catheter system placement force sensor and encircling flexible electricity in the artificial heart valve film conveying device
The structure diagram of pole.
Reference numeral：100 be handle, and 102 be outer tube fixing piece, and 103 be sealing ring, 104 is evacuated tube, 105 is threeway
Valve body；200 be micro-tensioning system, and 201 be vernier knob, and 202 be trim button, and 203 claim core for fine setting, and 204 position for fine tuning seat
Part；300 be electronic curtain display system, and 301 be electronic display, and 302 be the inside chip of display screen, and 303 be display screen
Wiring；400 be angle control system, and 401 be crooked knob, and 402 dials, 403 be tuning drive gear, and 500 be foley's tube system
System, 501 be sacculus, and 502 be microsensor, and 503 be development point, and 504 be elastic material, and 505 be connector；600 be outer tube,
601 be outer tube protective case；10 be stainless steel tube；20 be threeway；30 import head for taper；40 it is inducting device sheath, 50 is inner tube.
Embodiment
The utility model is further described below in conjunction with attached drawing.It will be appreciated that institute's graph plotting type and the explanation provided
The example for being merely possible to preferred embodiment illustrates the utility model, and should not be construed as the guarantor to the utility model
Shield scope is construed as limiting, and the scope of protection of the utility model is only limited by claims.
A kind of artificial heart valve film conveying device, including handle 100, outer tube 600, inducting device sheath 40, inner tube 50, taper are led
Enter first 30, balloon catheter system 500, micro-tensioning system 200, adjustable bending system 400 and electronic curtain display system 300.It is overall
Specification is 14-16F through femoral artery transport system.Taper, which imports first 30 front end, has thread eye, and the diameter of front end is less than rear end
Diameter；Sacculus 501 is expanded by expanding 501 expandable stent of sacculus for enabling pressure to be held in its own face；Before foley's tube 500
Through sacculus and through head rear end is imported, core carries thread eye at end；There is pressure sensor on the outer wall of foley's tube 500
502 and the insertion of flexible electrode, have distensible heart valve prosthesis 1 on foley's tube 500, foley's tube 500 is through leading
Enter device sheath to enter at cardiac valves, the sacculus 501 and the artificial heart valve placed thereon are promoted using conveyer and casing
Film 1, so that the heart valve prosthesis 1 is located in the heart valve annulus to be replaced.Inner tube 50 is polyimide tube, is passed through
Whole transport system is worn, inner tube distal end 50 is engaged with foley's tube 500, and inner tube near-end 50 is connected with handle 100.Outer tube 600
Distal end is sleeved on said inner tube 50 and the periphery of foley's tube 500, and 600 near-end of outer tube is connected with handle 100, passes through 100 energy of handle
Enough inner tubes 50 of control respectively are axially moveable it with outer tube 600, and conveying sheath can be sleeved on before human body is implanted into outside outer tube 600
Interior, when dropping back vertically, dilating sacculus and heart valve prosthesis expose from 600 distal end of outer tube, and the threeway 20 of 100 near-end of handle can
Make inflated or filling liquid, trigger force feedback and measurement in real time is fed back in the electronic curtain on handle 100, pass through Parameter Map
Shape control will press the heart valve prosthesis 1 being held on sacculus 501 to discharge completely.
In whole conveying device, stainless steel tube 10 connects the threeway 20 of rear end.Micro-tensioning system 200 includes vernier knob
201, trim button 202, fine setting claims core 203 and fine tuning seat locating piece 204.100 bottom of handle body is at micro-tensioning system
200 have sealing ring 103, and 100 internal run-through stainless steel tube 10 of handle, the side of stainless steel tube 10 is connected to evacuated tube 104 and threeway
Valve body 105.Inside is connected to sacculus front end through having polyimide tube, i.e. said inner tube 50.
The flexible electrode 502 of balloon diameter and shape can be monitored in real time by being provided with dilating sacculus 501, make artificial heart valve
Conveyer connector 505 on film 1 is passed directly into the electronic curtain 301 of conveyer rear end by the connecting line 303 of electrode rear end
In.Flexible electrode is centered around sacculus 501 circumferentially, is preferably no less than two.Flexible electrode determines ball by the signal transmitted two-by-two
The diameter that capsule 501 is expanded in real time, and after flexible electrode reaches certain amount, can be by configured transmission, 301 on electronic curtain
Show that overall sacculus 501 expands form.
Sacculus periphery is again provided with micro pressure sensor 502.Before unofficial operation, pass through a series of test experiments
Determine the linear relationship of pressure and balloon expandable size, formulate the scope that can be inquired about.In simulated training operation and practical operation,
Observe Stress testing loss and the real-time diameter of sacculus, you can judge the situation of balloon expandable, more accurate letter can be provided for doctor
Breath.
If balloon expandable transfer gantry need to reach aorta petal, because of the anatomical structure of aorta petal, conveying device front end
And balloon-stent needs certain angle of bend just to reach displacement position, it is most important that camber is measured at this time.Importing head end
30 be provided with circumferentially around four foil gauges, foil gauge is to form element for measuring strain by sensitive grid etc., during use
Foil gauge is pasted onto securely and is imported in head end test point, when importing the progress bending operation of head end 30, test point strains,
Sensitive grid also makes its resistance change therewith deforming, and the resistance variations produced by foil gauge sense 100 electronics of handle
In the chip 302 of screen, the strain value of test point is ultimately converted to, by formula scales into the curved angle in conveying device front end
It can obtain.Another embodiment is that conveying device front end curves through 100 inner tube 50 of rear end handle position and outer tube
600 mutual cooperation is axially stretched or compressibility control, and size is being labeled with adjustable bending system at handle part 100
Dial 402 and tuning drive gear 403, are changed by 100 radial alignment change in displacement of handle by formula, in electronic curtain 301
On obtain the curved angle in conveying device front end.In this patent, the adjustable curvature of setting is 0 ° --- 180 °.
Electronic curtain 300 is arranged at handle 100, and 301 display screen of conveying device electronic curtain mainly has PCB plates, lamp
Pipe, external member, power supply and system card etc. are formed.Electronic curtain shows that the curved angle of conveying device, sacculus 501 are expanded in real time
Diameter and form and sacculus 501 expand the real-time force feedback of valve.More intuitively, using symbol logo, useRepresent conveying
The curved angle of device head end, the real-time diameter of the expansion of sacculus 501 is represented using D, uses F to represent 501 expandable stent institute of sacculus
With Real-time force feedback, real-time expansion state is expanded using zero expression sacculus 501.
501 expansion conveyer of sacculus described in the utility model can be by high molecular material, Stainless steel 316 L or Nitinol
Form.The electronic curtain of conveyer is made of TN, STN or OLED material.
501 expandable stent of sacculus obtains under shaper through high-temperature shaping, heart valve prosthesis 1 with fresh bovine pericardium or
Pigs Hearts bag is material, after taking off cell, go a series of processing such as toxicity, and pericardium is cut into leaflet, is sewn to the conjunction of stent
Suitable position.
100 electronic curtain 301 is provided with switch button, bright at the utility model artificial heart valve film conveying device handle
Spend the regulation button of regulation button and screen display font size.User can be adjusted according to respective hobby, make whole
Electronic curtain has more hommization, and interface can reach ideal effect.
Stent expands formula stent certainly to be non-used by the utility model, can be in replacement areas by the support force of sacculus 501
Carry out expansion positioning.When sacculus 501 is expanded, 100 pass through the pressure sensor on sacculus 501 at conveyer handle
502 are transmitted in electronic curtain 301, show the expansion force feedback of sacculus 501, the ball formulated in advance is referred to during release
Expansionary force of the capsule 501 in each stage is compared, and can accordingly slow down push when soon reaching whole support forces, to reach best
Releasing effect.At the same time during expansion, according to the electrode on sacculus 501 with respect to 2 points, sacculus is calculated automatically
The diameters of 501 expansions, draw 501 real-time shape of sacculus, and to find faster in process of expansion the problem of, which takes, answers quick-acting prescription
Case.Dependent variable by being pasted onto the foil gauge for importing head end is converted into through the chip 302 in electronic curtain the bending of conveyer
Dynamic development in angle, with echocardiogram is contrasted, and the curvature of conveyer is preferably adjusted, so as to fulfill quick essence
True release stent, realizes the keying function of artificial valve, meets heart physiological requirement, achieve the purpose that treatment.
Under practical operation, after percutaneous puncture, under X-ray line, the valve position that need to be replaced is expanded using sacculus conveyer
Prosthetic heart valve holder, is encased on the sacculus conveyer with sensor 502 by place afterwards, further push displacement stent
Arrival need to be changed at the valve of valve, at this time during sacculus 501 is expanded, shown in the electronic display 301 of conveyer tail end
Go out the sensor 502 being embedded in by sacculus 501 and return the data after handling well, figure, so as to be helped precisely in real time to operator
With positioning, mutually fitted in dynamics, angle, contrast echo cardiogram carries out last release when reaching unified, while sheath of dropping back, people
Work valve bracket is departed from sacculus 501, and the safety of artificial valve stent 1 implants.
The embodiment of the utility model is described in detail above in conjunction with attached drawing, but the utility model is not limited to
The above embodiment, in the knowledge that technical field those of ordinary skill possesses, can also not depart from this reality
Made a variety of changes with the premise of new objective.
Claims (10)
1. a kind of artificial heart valve film conveying device, it is characterised in that led including handle, outer tube, inducting device sheath, inner tube, taper
Enter head, balloon catheter system, micro-tensioning system, adjustable bending system and electronic curtain display system；Overall specification is 14-16F's
Through femoral artery transport system；The taper, which imports head front end, has thread eye, and the diameter of front end is less than the diameter of rear end；The ball
Capsule is expanded by expanding the balloon expandable stent for enabling pressure to be held in its own face；The foley's tube front end is through sacculus and wears
Cross the taper and import head rear end, core carries thread eye；There is pressure sensor and flexibility on the outer wall of the foley's tube
The insertion of electrode, has distensible heart valve prosthesis on foley's tube, foley's tube enters heart through inducting device sheath
At valve, the sacculus and the heart valve prosthesis placed thereon are promoted using conveyer and casing, so that the artificial heart
Valve is located in the heart valve annulus to be replaced；Said inner tube is polyimide tube, through whole transport system, inner tube
Distal end is engaged with foley's tube, and said inner tube near-end is connected with handle；The distal outer tube is sleeved on said inner tube and sacculus
Suitable patterns, proximal outer tube are connected with handle, respectively inner tube can be controlled to be axially moveable it with outer tube by the handle,
The outside pipe can be sleeved on before human body is implanted into conveying it is intrathecal, when dropping back vertically, dilating sacculus and heart valve prosthesis
Expose from distal outer tube, the threeway of handle proximate end can make inflated or filling liquid, trigger force feedback and measurement feedback is in one's hands in real time
In electronic curtain on handle, by parameterized graphics control the heart valve prosthesis being held on sacculus will be pressed to discharge completely.
2. artificial heart valve film conveying device according to claim 1, it is characterised in that be provided with the dilating sacculus
The flexible electrode of balloon diameter and shape can be monitored in real time so that after conveyer connector on heart valve prosthesis is by electrode
The connecting line at end is passed directly into the electronic curtain of conveyer rear end.
3. artificial heart valve film conveying device according to claim 1, it is characterised in that the taper imports the head end of head
Be provided with circumferentially around foil gauge, by foil gauge produce deformation sense in the chip of handheld electronic screen, pass through public affairs
Formula is converted into the curved angle in conveying device front end.
4. artificial heart valve film conveying device according to claim 1, it is characterised in that the flexible electrode and pressure pass
Sensor is coated on sacculus periphery, and the connecting line drawn is positioned in inner tube, and end is directly connected with the chip in electronic curtain.
5. artificial heart valve film conveying device according to claim 1, it is characterised in that the flexible electrode is circumferentially equal
Even to be distributed on the outer wall of the sacculus, the flexible electrode is used for the real-time size for measuring the sacculus.
6. artificial heart valve film conveying device according to claim 1, it is characterised in that the electronic curtain and graduation apparatus
It is arranged at handle, electronic curtain shows the diameter and form and sacculus that the curved angle of conveying device, sacculus are expanded in real time
Expand the real-time force feedback of valve；Graduation apparatus at handle can confirm valve and balloon position.
7. artificial heart valve film conveying device according to claim 1, it is characterised in that the display on the electronic curtain
Parameter has symbol logo respectively, and the curved angle of conveying device head end is represented using f, and the real-time straight of balloon expandable is represented using D
Footpath, represents Real-time force feedback used in balloon expandable stent, electronic curtain shows that sacculus is expanded in real time close to handle end using F
Shape.
8. artificial heart valve film conveying device according to claim 7, it is characterised in that the diameter in real time and the reality
When force feedback form sensor connecting line, the sensor connecting line do not interfere with each other, is connected in electronic curtain chip.
9. artificial heart valve film conveying device according to claim 1, it is characterised in that the inducting device sheath and outer tube
There is short-range connect at nearly patient body end.
10. artificial heart valve film conveying device according to claim 1, it is characterised in that the distal handle and outer tube
Joint sets angled control handle, this knob control conveyer front end adjustable bending system is bent, and curvature scope is
0°-180°；The steel wire of adjustable bending internal system runs through whole inner and outer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116220.XU CN207236879U (en) | 2017-02-08 | 2017-02-08 | A kind of artificial heart valve film conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116220.XU CN207236879U (en) | 2017-02-08 | 2017-02-08 | A kind of artificial heart valve film conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207236879U true CN207236879U (en) | 2018-04-17 |
Family
ID=61875038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720116220.XU Active CN207236879U (en) | 2017-02-08 | 2017-02-08 | A kind of artificial heart valve film conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207236879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618803A (en) * | 2017-02-08 | 2017-05-10 | 上海纽脉太惟医疗科技有限公司 | Artificial heart valve prosthesis conveying device |
-
2017
- 2017-02-08 CN CN201720116220.XU patent/CN207236879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618803A (en) * | 2017-02-08 | 2017-05-10 | 上海纽脉太惟医疗科技有限公司 | Artificial heart valve prosthesis conveying device |
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