CN109044565B - Prosthetic devices is used in tricuspid valve reflux operation - Google Patents
Prosthetic devices is used in tricuspid valve reflux operation Download PDFInfo
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- CN109044565B CN109044565B CN201811078614.6A CN201811078614A CN109044565B CN 109044565 B CN109044565 B CN 109044565B CN 201811078614 A CN201811078614 A CN 201811078614A CN 109044565 B CN109044565 B CN 109044565B
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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
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
- A61F2/2418—Scaffolds therefor, e.g. support stents
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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
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2466—Delivery devices therefor
-
- 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
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2472—Devices for testing
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- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial 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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a repair device for tricuspid valve regurgitation surgery, which comprises a hollow sheath tube, and a valve measuring component and a valve support component which are respectively matched with the hollow sheath tube, wherein the valve measuring component comprises a microcontroller, an inflatable balloon, an inflation and deflation pipe, an inflation pump and a drainage tube, the inflatable balloon is in an annular structure, the inflatable balloon surrounds the peripheries of the inflation and deflation pipe and the drainage tube, the inflation and deflation pipe is provided with an air release valve, the microcontroller is connected with a key module, an ultrasonic flow sensor and a voltage acquisition module, and the valve support component comprises a valve support, a biological valve, a push rod, an anchoring piece, a first pull wire and a second pull wire. The invention has simple structure and reasonable design, the working voltage of the air pump corresponds to the expansion size of the air balloon, the digital control of the valve size measurement is realized, the automation degree is high, the anchoring piece is arranged on the biological valve, the problem that the biological valve is difficult to fix in situ is solved, and the use effect is good.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a repair device for a tricuspid valve regurgitation operation.
Background
The most common of the tricuspid lesions is tricuspid regurgitation, which occurs at a higher rate, second only to left heart valve lesions. It is generally believed that after other valve surgery, tricuspid regurgitation can be significantly alleviated, and thus tricuspid associated lesions have been overlooked for a long time. A great deal of existing evidence shows that medium-severe tricuspid valve regurgitation needs to be treated again after the tricuspid valve repair or replacement operation, so that indications of tricuspid valve intervention treatment are increased; but in most cases the risk of secondary surgery and the mortality of the tricuspid valve are high.
With the rapidly evolving application of transcatheter treatment of aortic and mitral valve diseases, minimally invasive intervention for treatment of tricuspid valve diseases is also a very attractive and promising technique. Interventional treatment of the tricuspid valve has become a new research hotspot in the field of transcatheter valve treatment, and transcatheter tricuspid valve implantation is feasible in patients who have failed to decay after a tricuspid valve biological valve replacement or shaping operation, and can improve hemodynamics and cardiac function.
Currently, in the intervention of the transcatheter tricuspid valve, the following two problems mainly exist: one is that, in patients with severe tricuspid regurgitation, the tricuspid valve annulus is seriously deformed, the tricuspid valve is calcified, and a valve stent implanted by percutaneous intervention surgery is difficult to fix in place, so that the intervention valve is often unable to accept the regurgitation due to the change of position; the other is that although the size of the valve annulus of the heart valve of the patient is measured before the operation by the color Doppler ultrasound, the size of the valve annulus of the heart valve of the patient cannot be accurately measured due to the fact that the color Doppler ultrasound is a medical imaging examination means, and can only be used as a clinical reference basis, and the size of the valve annulus of the heart valve is actually measured in the operation and can be used as a basis for directly replacing the size of the artificial heart valve. If the selected artificial heart valve is not matched with the size of the valve annulus of the patient, the postoperative life quality of the patient is directly influenced, and the life of the patient is seriously threatened. How to rapidly and accurately measure the size of the valve annulus of a patient in an open-heart surgery provides an accurate basis for selecting a proper artificial heart valve, and has become an increasingly prominent problem in cardiovascular surgery.
Disclosure of Invention
The invention aims to solve the technical problem that the defects in the prior art are overcome, and the invention provides the biological valve fixing device which is simple in structure and reasonable in design, realizes digital control of valve size measurement by enabling the working voltage of an air pump to correspond to the expansion size of an air balloon, is high in automation degree, solves the problem that the biological valve is difficult to fix in situ by arranging the anchoring piece on the biological valve, and has a good using effect.
In order to solve the technical problems, the invention adopts the technical scheme that: a prosthetic devices is used in operation of tricuspid valve regurgitation which characterized in that: including cavity sheath pipe, respectively with cavity sheath pipe matched with valve measuring component and valve bracket component, valve measuring component includes microcontroller to and the inflatable balloon, inflation and deflation pipe and the pump that connect gradually, inflation and deflation pipe's terminal lateral wall fixedly connected with drainage tube, inflatable balloon is the loop configuration, inflatable balloon encircles in the periphery of inflation and deflation pipe and drainage tube, be provided with the release valve on the inflation and deflation pipe, microcontroller's input termination has button module, parameter input module, is used for measuring the ultrasonic wave flow sensor of the blood flow of flowing through the drainage tube and is used for obtaining the voltage acquisition module who determines the applied voltage that applys to the pump when inflatable balloon is aerifyd, microcontroller's output termination has pump drive unit, release valve drive unit, display element and alarm element, fill the external diameter sum of trachea and drainage tube and be less than the internal diameter of cavity sheath pipe, the valve bracket subassembly includes the valve support, connects biological valve on the valve support and with cavity sheath pipe matched with push rod, the inner wall of biological valve rotates through rotating the connecting piece and is connected with the anchoring piece, the anchoring piece is divided into two sections by rotating the connecting piece, be connected with first acting as go-between and second acting as go-between on the anchoring piece, first acting as go-between and second acting as go-between are located two sections of anchoring piece respectively, offer the confession on the biological valve the through-hole that stretches out after the anchoring piece rotates, the end of push rod is provided with the handle.
The repair device for the tricuspid valve regurgitation operation is characterized in that: the ultrasonic flow sensor comprises an ultrasonic transmitter and an ultrasonic receiver matched with the ultrasonic transmitter, the ultrasonic transmitter is arranged on the inner wall of the inflation and deflation pipe corresponding to the outer wall area of the inflation and deflation pipe which is in contact with the outer wall of the drainage pipe, and the ultrasonic receiver is arranged on the inner wall of the inflation balloon corresponding to the outer wall area of the inflation balloon which is in contact with the outer wall of the drainage pipe.
The repair device for the tricuspid valve regurgitation operation is characterized in that: the handle is provided with a first wire arranging ring and a second wire arranging ring.
The repair device for the tricuspid valve regurgitation operation is characterized in that: the front end opening of drainage tube is the inclined plane, and the inclined plane is 30 ~ 50 with the contained angle of filling and discharging the air pipe's cross section.
The repair device for the tricuspid valve regurgitation operation is characterized in that: the biological valve is a three-valve type biological valve.
Compared with the prior art, the invention has the following advantages:
1. the invention has simple structure, reasonable design and convenient realization, use and operation.
2. The invention controls the work of the inflating pump and the inflating quantity of the inflating sacculus through the key module, so the inflating quantity of the inflating sacculus can be obtained by calculating the working voltage of the inflating pump, the inflating quantity of the inflating sacculus corresponds to the expansion size of the inflating sacculus, and the expansion size of the inflating sacculus can be obtained by calculating the working voltage of the inflating pump, thereby realizing digital control, having high automation degree and good using effect.
3. The drainage tube is arranged at the inner circle of the inflatable saccule with the annular structure, when the inflatable saccule is expanded, blood can be kept smooth through the drainage tube, and the impact force of the inflatable saccule on the blood flow when a specific area in the valve is inflated and expanded is reduced.
4. The invention is provided with the ultrasonic flow sensor for detecting the blood flow detection value flowing through the drainage tube, and a doctor compensates the measured valve size according to the blood flow detection value and the size of the decay valve, so as to prevent paravalvular leakage.
5. The anchoring part is arranged on the biological valve, and the rotation of the anchoring part can be realized by dragging the first pull wire and the second pull wire, so that the anchoring part is anchored at the joint of the anterior leaflet and the posterior leaflet of the tricuspid valve, and the problem that the biological valve is difficult to fix in situ is solved.
In conclusion, the invention has simple structure and reasonable design, the working voltage of the inflator pump corresponds to the expansion size of the inflatable balloon, the digital control of the valve size measurement is realized, the automation degree is high, the anchoring part is arranged on the biological valve, the problem that the biological valve is difficult to fix in situ is solved, and the use effect is good.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
FIG. 2 is a schematic view showing the relationship among the inflatable balloon, the inflation/deflation tube, the ultrasonic flow sensor and the drainage tube according to the present invention.
Fig. 3 is a schematic structural view of a hollow sheath and valve stent assembly of the present invention.
Fig. 4 is an enlarged view of fig. 3 at a.
Description of reference numerals:
1-a microcontroller; 2, a voltage acquisition module; 3, a key module;
4-parameter input module; 5-ultrasonic flow sensor; 6-an inflator pump driving unit;
7-a blow-off valve drive unit; 8-a display unit; 9-an alarm unit;
10-an inflator pump; 11-a gas release valve; 12-a drainage tube;
13-inflating the balloon; 14-air charging and discharging pipe; 15-biological valve;
16-a push rod; 17-a handle; 18-a first pull wire;
19-a second pull wire; 20-a second wire arranging ring; 21-a first wire arranging ring;
22-an anchor; 23-a rotating connection; 24-a hollow sheath;
5-1-ultrasonic transmitter; 5-2-ultrasonic receiver.
Detailed Description
As shown in fig. 1 to 4, the present invention includes a hollow sheath 24, a valve measurement component and a valve support component respectively matched with the hollow sheath 24, the valve measurement component includes a microcontroller 1, and an inflation balloon 13, an inflation/deflation tube 14 and an inflation pump 10 which are connected in sequence, a drainage tube 12 is fixedly connected to a side wall of a tail end of the inflation/deflation tube 14, the inflation balloon 13 is in an annular structure, the inflation balloon 13 surrounds peripheries of the inflation/deflation tube 14 and the drainage tube 12, a deflation valve 11 is arranged on the inflation/deflation tube 14, an input end of the microcontroller 1 is connected with a key module 3, a parameter input module 4, an ultrasonic flow sensor 5 for measuring a blood flow passing through the drainage tube 12, and a voltage acquisition module 2 for acquiring an applied voltage applied to the inflation pump 10 when the inflation balloon 13 is inflated, an output end of the microcontroller 1 is connected with an inflation pump driving unit 6, The device comprises an air escape valve driving unit 7, a display unit 8 and an alarm unit 9, wherein the sum of the outer diameter of an air escape pipe 14 and the outer diameter of a drainage tube 12 is smaller than the inner diameter of a hollow sheath tube 24; valve bracket subassembly includes the valve support, connects biological valve 15 on the valve support and with cavity sheath 24 matched with push rod 16, the inner wall of biological valve 15 rotates through rotating connecting piece 23 and is connected with anchoring piece 22, anchoring piece 22 is divided into two sections by rotating connecting piece 23, be connected with first acting as go-between 18 and the second acting as go-between 19 on anchoring piece 22, first acting as go-between 18 and the second acting as go-between 19 are located two sections of anchoring piece 22 respectively, offer the confession on the biological valve 15 the through-hole that stretches out after anchoring piece 22 rotates, push rod 16's end is provided with handle 17.
During practical use, the inflation and deflation pipe 14 is pushed along the axial direction of the hollow sheath pipe 24, the inflation and deflation pipe 14 drives the drainage pipe 12 and the inflation sacculus 13 to enter femoral vein, the work and inflation amount of the inflation pump 10 are controlled through the key module 3, digital control can be realized, the degree of automation is high, and the using effect is good. After the inflatable balloon 13 enters the stenotic region of the valve, the inflatable balloon 13 is inflated by the inflator pump 10, the inflatable balloon 13 is circumferentially and uniformly expanded to expand the stenotic region of the valve, blood is maintained to flow through the drainage tube 12, and the drainage tube 12 reduces the impact force of the blood flow on a specific region in the valve caused by the inflation of the inflatable balloon 13.
The ultrasonic flow sensor 5 collects the blood flow flowing through the drainage tube 12, the ultrasonic flow sensor 5 is in a non-contact type, the measurement precision is high and can reach +/-2%, the ultrasonic flow sensor can normally work under severe environmental conditions (such as jolting, vibration, humidity, high altitude and the like), the ultrasonic flow sensor 5 does not need to contact blood, the risk of cross infection is avoided, and the use effect is good.
The parameter input module 4 inputs a threshold interval of the blood flow rate and a threshold interval of the operating voltage of the charge pump 10. Ultrasonic flow sensor 5 transmits the blood flow detection value of the flow through in drainage tube 12 who gathers for microcontroller 1, charge pump 10's operating voltage detection value when voltage acquisition module 2 gathers in real time that pump 10 inflates for inflatable balloon 13, microcontroller 1 transmits blood flow detection value and operating voltage detection value for display unit 8, display unit 8 shows blood flow detection value and operating voltage detection value, operating voltage detection value corresponds the valve size that obtains of measurement promptly, the doctor compensates the valve size that obtains of measurement according to blood flow detection value and decay valve size, prevent the valve perivalvular leakage.
When the blood flow detection value exceeds the threshold interval of the blood flow or the working voltage detection value exceeds the threshold interval of the working voltage, the alarm unit 9 gives an alarm to remind a doctor of cautious operation.
When the valve size measurement is completed, the air release valve 11 is opened, the inflatable saccule 13 is deflated and shrunk, and the inflation and deflation pipe 14 is taken out along the axial direction of the hollow sheath pipe 24.
In practical use, after valve measurement is completed, the valve stent with the biological valve 15 is placed in the hollow sheath 24, a doctor hooks the thread ends of the first pull thread 18 and the second pull thread 19 with fingers, meanwhile, the push rod 16 is used for pushing the biological valve 15 along the axial direction of the hollow sheath 24, when the biological valve 15 reaches a release position, the hollow sheath 24 is withdrawn to the outside, and the biological valve 15 is released in a self-expanding manner or in a ball expanding manner, so that the function of expanding a valve narrow area is achieved.
In practical use, the anchoring member 22 is divided into two sections by the rotating connecting member 23, the two sections are respectively a connecting portion and a limiting portion, the first stay wire 18 is fixedly connected with the limiting portion, the second stay wire 19 is fixedly connected with the connecting portion, the anchoring member 22 rotates by taking the rotating connecting member 23 as a fulcrum by pulling the second stay wire 19 and extends out of the through hole on the biological valve 15, and the connecting portion of the anchoring member 22 is in anchoring connection with the joint of the anterior leaflet and the posterior leaflet of the tricuspid valve, so that the problem that the biological valve 15 is difficult to fix in situ is solved.
As shown in fig. 2, in this embodiment, the ultrasonic flow sensor 5 includes an ultrasonic transmitter 5-1 and an ultrasonic receiver 5-2 matched with the ultrasonic transmitter 5-1, the ultrasonic transmitter 5-1 is disposed on the inner wall of the inflation/deflation tube 14 corresponding to the outer wall area of the inflation/deflation tube 14 contacting the outer wall of the drainage tube 12, and the ultrasonic receiver 5-2 is disposed on the inner wall of the inflation balloon 13 corresponding to the outer wall area of the inflation balloon 13 contacting the outer wall of the drainage tube 12.
In the present embodiment, as shown in fig. 3, the handle 17 is provided with a first wire arranging ring 21 and a second wire arranging ring 20.
In actual use, before the anchoring piece 22 is anchored, the first pull wire 18 is fixedly bound on the first wire arranging ring 21, the second pull wire 19 is fixedly bound on the second wire arranging ring 20, the first wire arranging ring 21 and the second wire arranging ring 20 play a role in combing and marking the first pull wire 18 and the second pull wire 19, and prevent the wire heads of the first pull wire 18 and the second pull wire 19 from being brought into the hollow sheath tube 24 by the push rod 16, so the use effect is good.
As shown in FIG. 2, in this embodiment, the front opening of the drainage tube 12 is an inclined surface, and the included angle between the inclined surface and the cross section of the inflation/deflation tube 14 is 30-50 °.
When in actual use, the front end opening of the drainage tube 12 is an inclined plane, and the drainage area is increased.
In this embodiment, the biological valve 15 is a three-valve type biological valve.
The above embodiments are only examples of the present invention, and are not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. A prosthetic devices is used in operation of tricuspid valve regurgitation which characterized in that: including cavity sheath pipe (24), respectively with cavity sheath pipe (24) matched with valve measuring subassembly and valve bracket component, valve measuring subassembly includes microcontroller (1) to and the sacculus (13), inflation and deflation pipe (14) and pump (10) of aerifing that connects gradually, the terminal lateral wall fixedly connected with drainage tube (12) of inflation and deflation pipe (14), it is the loop configuration to aerify sacculus (13), it encircles to aerify sacculus (13) fill the periphery of trachea (14) and drainage tube (12), be provided with bleeder valve (11) on inflation and deflation pipe (14), the input termination of microcontroller (1) has button module (3), parameter input module (4), is used for measuring ultrasonic flow sensor (5) of the blood flow of flowing through drainage tube (12) and is used for obtaining the survey and aerifys when sacculus (13) aerifys to the voltage collection module (2) of exerting voltage that pump (10) was applyed, the output termination of microcontroller (1) has inflator pump drive unit (6), snuffle valve drive unit (7), display element (8) and alarm unit (9), the external diameter sum of the external diameter of inflation and deflation pipe (14) and drainage tube (12) is less than the internal diameter of cavity sheath pipe (24), the valve bracket subassembly include the valve support, connect biological valve (15) on the valve support and with cavity sheath pipe (24) matched with propelling movement pole (16), the inner wall of biological valve (15) is rotated through rotating connecting piece (23) and is connected with anchor (22), anchor (22) are divided into two sections by rotating connecting piece (23), are connecting portion and spacing portion respectively, be connected with first acting as go-between (18) and second acting as go-between (19) on anchor (22), first acting as go-between (18) and second acting as go-between (19) are located two sections of anchor (22) respectively, the utility model discloses a biological valve, including first stay wire and spacing portion, second stay wire and connecting portion fixed connection, the second stay wire is worn out biological valve and is penetrated in the biological valve again after rotating the connecting piece in the axial, the pulling the second stay wire, the second stay wire is promptly used to rotate as the fulcrum to the connecting portion of anchor assembly stretches out the through-hole that is located biological valve, with the anchor connection of anterior leaflet and posterior leaflet of tricuspid valve, set up on biological valve (15) and supply anchor assembly (22) rotate back the through-hole that stretches out, the end of push rod (16) is provided with handle (17), ultrasonic flow sensor (5) include ultrasonic transmitter (5-1) and with ultrasonic transmitter (5-1) matched with ultrasonic receiver (5-2), ultrasonic transmitter (5-1) set up the inflation and deflation that corresponds in the inflation and deflation pipe (14) outer wall region that contacts with drainage tube (12) outer wall The ultrasonic receiver (5-2) is arranged on the inner wall of the inflatable sacculus (13) corresponding to the area of the outer wall of the inflatable sacculus (13) contacted with the outer wall of the drainage tube (12).
2. A tricuspid valve repair device for use in a regurgitation procedure according to claim 1 wherein: the handle (17) is provided with a first wire arranging ring (21) and a second wire arranging ring (20), the first pull wire (18) is fixedly bound on the first wire arranging ring (21) before the anchoring, and the second pull wire (19) is fixedly bound on the second wire arranging ring (20).
3. A tricuspid valve repair device for use in a regurgitation procedure according to claim 1 wherein: the opening at the front end of the drainage tube (12) is an inclined plane, and the included angle between the inclined plane and the cross section of the inflation and deflation tube (14) is 30-50 degrees.
4. A tricuspid valve repair device for use in a regurgitation procedure according to claim 1 wherein: the biological valve (15) is a three-valve type biological valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811078614.6A CN109044565B (en) | 2018-09-17 | 2018-09-17 | Prosthetic devices is used in tricuspid valve reflux operation |
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| CN201811078614.6A CN109044565B (en) | 2018-09-17 | 2018-09-17 | Prosthetic devices is used in tricuspid valve reflux operation |
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| CN109044565A CN109044565A (en) | 2018-12-21 |
| CN109044565B true CN109044565B (en) | 2021-03-30 |
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| CN109998621B (en) * | 2019-04-12 | 2021-05-14 | 武汉铭迹医学研究有限公司 | Micro-plugging device for cerebral aneurysm |
| CN110974318A (en) * | 2019-11-25 | 2020-04-10 | 西安马克医疗科技有限公司 | External simulation device and simulation system for transcatheter aortic valve replacement |
| IT202000012562A1 (en) | 2020-05-27 | 2021-11-27 | Milano Politecnico | DEVICE AND ASSEMBLY FOR REPAIRING A HEART VALVE |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2828091B1 (en) * | 2001-07-31 | 2003-11-21 | Seguin Jacques | ASSEMBLY ALLOWING THE PLACEMENT OF A PROTHETIC VALVE IN A BODY DUCT |
| US8287555B2 (en) * | 2003-02-06 | 2012-10-16 | Guided Delivery Systems, Inc. | Devices and methods for heart valve repair |
| JP5019757B2 (en) * | 2006-02-10 | 2012-09-05 | 富士フイルム株式会社 | Balloon control device |
| JP2010264060A (en) * | 2009-05-14 | 2010-11-25 | Fujifilm Corp | Fluid controller, fluid controlling method, and endoscopic apparatus |
| US20110208293A1 (en) * | 2010-02-23 | 2011-08-25 | Medtronic, Inc. | Catheter-Based Heart Valve Therapy System with Sizing Balloon |
| US9345574B2 (en) * | 2011-12-09 | 2016-05-24 | Edwards Lifesciences Corporation | Force-based heart valve sizer |
| CN105455817A (en) * | 2016-01-14 | 2016-04-06 | 柳州市人民医院 | Nasal cavity channel diameter detection tube |
| CN207590810U (en) * | 2016-07-29 | 2018-07-10 | 上海沃比医疗科技有限公司 | Implantation material transport system |
| CN206463335U (en) * | 2016-11-07 | 2017-09-05 | 恒壹（北京）医疗科技有限公司 | A kind of foley's tube with side opening |
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