CN201870772U - Delivery device with valve positioning function for percutaneous aortic valve replacement - Google Patents
Delivery device with valve positioning function for percutaneous aortic valve replacement Download PDFInfo
- Publication number
- CN201870772U CN201870772U CN2010206319978U CN201020631997U CN201870772U CN 201870772 U CN201870772 U CN 201870772U CN 2010206319978 U CN2010206319978 U CN 2010206319978U CN 201020631997 U CN201020631997 U CN 201020631997U CN 201870772 U CN201870772 U CN 201870772U
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- annulus
- bracing wire
- aortic valve
- valve
- percutaneous aortic
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Abstract
The utility model relates to a delivery device with a valve positioning function for percutaneous aortic valve replacement, which is characterized by comprising a delivery rod (1), a sheathing canal (5), a ring (3), a plurality of positioning rods (2) and a plurality of ring control cables (4). The ring (3) is sleeved on the lower end of the delivery rod (1) for the percutaneous aortic valve replacement and is arranged in the delivery sheathing canal (5); at least two positioning rods (2) are arranged, and one ends of the positioning rods (2) are hinged with the delivery rod (1); and at least two ring control cables (4) are arranged, the lower ends of the ring control cables (4) are respectively provided with a structure supporting the ring (3), and the upper ends of the ring control cables (4) extend out of a human body along the axial direction of the delivery rod (1). The delivery device has good supporting effect on positioning of an implanted valve, and can increase the success rate of the percutaneous aortic valve replacement, and reduce surgical difficulties, postoperative complications, pains and risks caused to patients in surgery, and also medical expenses.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, and that uses in the operation of especially a kind of percutaneous aortic valve replacement is used to make the accurate localized conveyer device of support, specifically a kind of percutaneous aortic valve replacement operation conveyer device with the valve positioning function.
Background technology
At present, show that in the age surpassed 65 years old old people, the aortic stenosis incidence rate due to the aortic valve calcification reached 2%～7%, and ratio is more and more higher with age according to the ASSOCIATE STATISTICS data.Serious aortic stenosis patient left heart function is badly damaged, and patient descends quality of life and life span obviously shortens, and must effectively treat.Up to now, those are had the patient of operative indication, surgery aortic valve prosthesis replacement remains first-selected treatment.
2002, Alain Cribier was carrying out on a large amount of zooperal bases, was that 57 years old serious aortic stenosis patient of 1 example has carried out the replacement through the conduit aortic valve prosthesis first.Since then, little with its wound through the conduit aortic valve replacement, post-operative complication is few etc., and advantage has been brought Gospel for the patient who has lost the surgical operation chance clinically, and is developed and improves in many countries.At present widely used is SANYE self-inflated aortic valve implantation, and is updating aspect biomaterial and the delivery instrument, makes percutaneous aortic valve replacement become possibility.
Limit a subject matter that this technology carries out at present and be owing to can not finely control for the location of implantation instrument in the operating process, cause discharging come off or the position inaccurate, had a strong impact on the success rate of operation and the control of post-operative complication.
Summary of the invention
The purpose of this utility model is can't adjust at position of valve in the existing valve replacement process, easily cause valve that the problem that causes operative failure or post-operative complication not in place or inaccurate is installed, design and a kind ofly can enter human body with the valve conveyer device and can not only prevent that valve bracket from discharging dislocation, and the percutaneous aortic valve replacement operation conveyer device of the band valve positioning function that can adjust the position of valve bracket.
The technical solution of the utility model is:
Conveyer device is used in a kind of percutaneous aortic valve replacement operation with the valve positioning function, it is characterized in that it comprises:
One conveying lever 1, an end that stretches into human body of this conveying lever 1 is used for suit valve bracket 9;
One delivery sheath 5, this carrier pipe 5 are sleeved on conveying lever 1 and are used to take in valve bracket 9;
One annulus 3, this annulus 3 are sleeved on percutaneous aortic valve replacement operation with on the lower end of conveying lever 1 and be arranged in delivery sheath 5;
A positioning rod 2, the quantity of locating rod 2 are at least two, and an end of locating rod 2 is hinged on the aforesaid conveying lever 1, and pin joint is positioned at the top of aforementioned annulus 3;
One annulus bracing wire 4, the quantity of annulus bracing wire 4 are at least two, and the lower end of described annulus bracing wire 4 is provided with the structure of a bearing ring 3 or directly links to each other with described annulus 3, and the upper end edge conveying lever 1 of annulus bracing wire 4 axially stretches out outside the human body.
Above-mentioned conveying lever 1, sheath pipe 5, annulus 3, locating rod 2 and annulus bracing wire 4 are promptly formed the percutaneous aortic valve replacement operation conveyer device of band valve positioning function of the present utility model.
The cantilever end of described locating rod 2 has circular arc or circular ring structure, and locating rod 2 can launch at least 90 degree scopes, and body of rod length should be greater than implanting valve bracket left ventricular outflow tract view side radius.
The supporting structure of the bearing ring 3 of described annulus bracing wire 4 lower ends is a supporting bar 6 perpendicular to annulus bracing wire 4 main bodys, and supporting bar 6 is with annulus bracing wire 4 L-shaped structures.
The surface of described conveying lever 1 is provided with the axial notch 7 that is used to place annulus bracing wire 4 that equates with annulus bracing wire 4 quantity.
Described annulus bracing wire 4 stretches out outer synchronous with routine or the single operating mechanism of an end of human body and links to each other.
The beneficial effects of the utility model:
1, this utility model can play good assosting effect for the location of implanting valve, can improve the success rate of percutaneous aortic valve replacement art, reduces operating difficulty, for patient reduces operation misery and risk, reduces medical expense.
2, this utility model need not increase the delivery sheath internal diameter.All positioners can draw into thin tube-like in, do not need to increase the delivery sheath internal diameter.
3, positioner of the present utility model can the position and the angle of fine setting valve more optimize implantation position after valve discharges.
4, the hook formation of locating rod end of the present utility model can avoid some particular organizations (as bundle branch, chordae tendineae of mitral valve etc.) pressurized to reduce post-operative complication, the quality of life of improving postoperative patient.
5, this utility model is simple in structure, and is easily manufactured, is easy to realize, only needing that existing conveying lever is done suitable improvement can come into operation.
Description of drawings
Structural representation when Fig. 1 is a positioner collecting device of the present utility model.
Fig. 2 is that positioner of the present utility model is at the intravital user mode sketch map of people.
Fig. 3 is the cross sectional representation of conveying lever of the present utility model.
9 for implanting valve among Fig. 2, and 10 is the human heart coronary sinus, and 11 is the human heart left ventricular outflow tract view.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described.
As Figure 1-3.
A kind of percutaneous aortic valve replacement operation conveyer device with the valve positioning function, it is mainly by conveying lever 1, sheath pipe 5, locating rod 2, annulus 3 and annulus bracing wire 4 are formed, as shown in Figure 1, locating rod 2 is connected conveying lever 1 distal portions by fixed hinge and (is arranged in an end of human body, be on the lower end), the tip designs of locating rod 2 becomes circular arc or annular hook-shaped, to prevent the tip human body is caused damage, the body of rod cross section of locating rod 2 is a circular arc, the edge is smooth, the diameter of assembling back unci should be less than the delivery sheath internal diameter, locating rod 2 should can launch at least 90 degree scopes under the drive of annulus 3, body of rod length should be greater than implanting valve 9 left ventricular outflow tract view side radiuses, its deployed condition as shown in Figure 2, at this moment because locating rod 2 unfolded diameters are greater than the external diameter of implanting valve efferent tract side, therefore, can drop on earlier after valve discharges on the unfolded locating rod 2 and can not come off.The hook formation that is arranged in locating rod 2 during annulus 3 assembling is so that pulling annulus 3 when rising, annulus 3 can make locating rod 2 strut as umbrella frame, can on conveying lever 1, slide after opening so that adjust the position and the angle of valve bracket, the end of annulus bracing wire 4 can be L shaped, with the main effect of the vertical cross bar that links to each other 6 of annulus bracing wire 4 main bodys is to be used for annulus 3 is hooked so that adjust operation, simultaneously be convenient to again separate with annulus 3, the L shaped structure in the lower end of annulus bracing wire 4 is used to form the supporting structure of bearing ring 3, axial notch 7(such as Fig. 3 on the upper end edge conveying lever 1 of annulus bracing wire 4) externally link to each other with being extended down to after through hole (top that is arranged in 9 sections of conveying lever 1 suit valve brackets i.e. the step part 10 of figure) passes with operating mechanism, operating mechanism can adopt conventional synchronous tractive structure, the upper end that is about to some annulus bracing wires 4 is fixed on the guiding piece simultaneously, thereby moving drive annulus 3 by manual or electronic pulling guiding piece again moves, when needing fine setting, every annulus bracing wire 4 also should be able to be operated separately.When specifically implementing in addition, the lower end of annulus bracing wire 4 also can be directly or socket fixing with annulus 3 link to each other.
The untapped state of positioner of the present utility model as shown in Figure 1, it is covered by in the sheath pipe 5, as shown in Figure 1.Using method of the present utility model is: at external pulling annulus bracing wire 4 annulus 3 is upwards slided earlier, thereby driving device locating rod 2 opens, after discharging 2/3 valve simultaneously carrier is drawn on the whole, locating rod 2 terminal hook formations withstand to discharge behind the efferent tract upper limb surpluss 1/3 valve, as shown in Figure 2.Can implant the position and the angle of valve by 4 fine settings of pulling annulus bracing wire.Loosen annulus bracing wire 4 annulus is slided to for 3 times in the hook formation of locating rod 2, the sheath pipe advances, and will withdraw from behind locating rod 2 and the annulus 3 income sheath pipes 5.Whole intervention procedure carries out under the guiding of transesophageal echocardiography, and the position of implanting valve in conjunction with radiography and electrocardiogram evaluation is to the influence of coronary flow and conductive beam and have or not the valvular regurgitation situation.
Below in conjunction with concrete zoopery this utility model is further described.
Test situation is as follows:
5 sheep, body weight 45-50kg, average 46.8kg.
Whole intervention procedure carries out under X line perspective, under the guiding of transesophageal echocardiography.The laboratory animal dorsal position is fixed in the operative catheter bed.Patients Under Ketamine Anesthesia connects respirator, electrocardiograph after the tracheal intubation.The right carotid puncture, import the 18F arterial sheath, left lateral position 90 degree ventriculography of left ventricle, understand left ventricular outflow tract and aortal internal diameter, selection is than the percutaneous aortic valve replacement device of the big 10%-20% diameter of Ad, send into percutaneous aortic valve replacement device through induction system, implant aortic valve auxiliary release in the position of aortic valve down of positioner.Adopt cardiac ultrasonic and the combination of aortic root radiography, observe the position of implantation instrument, evaluation has or not the anti-stream and the blood flow coronarius of aortic valve, adopt electrocardiogram to detect and estimate to have or not conductive beam influenced, confirm not have the anti-stream of aortic valve and coronary flow and electrocardiogram surgeon's knot bundle just often.
Experimental result: 5 animals, except that 1 because of the too much death of intraoperative hemorrhage, all the other 4 survive.Put to death 1 respectively in 2 weeks of postoperative, 4 weeks, 8 weeks, the execution echocardiography that moves ahead, the aortic valve blood flow is normal, the anti-stream that does not have aortic valve is put to death the back gross examination of skeletal muscle, and all the percutaneous aortic valve replacement device position is good, do not see displacement, perusal percutaneous aortic valve replacement device surface and around do not have thrombosis, percutaneous aortic valve replacement device surface about 80% is covered by endothelium during 4 weeks, the percutaneous aortic valve replacement device surface is almost completely covered by endothelium during 8 weeks.
This utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (5)
1. conveyer device is used in the percutaneous aortic valve replacement operation with the valve positioning function, it is characterized in that it comprises:
One conveying lever (1), an end that stretches into human body of this conveying lever (1) is used for suit valve bracket (9);
One delivery sheath (5), this carrier pipe (5) are sleeved on conveying lever (1) and are used to take in valve bracket (9);
One annulus (3), this annulus (3) are sleeved on percutaneous aortic valve replacement operation with on the lower end of conveying lever (1) and be arranged in delivery sheath (5);
A positioning rod (2), the quantity of locating rod (2) is at least two, and an end of locating rod (2) is hinged on the aforesaid conveying lever (1), and pin joint is positioned at the top of aforementioned annulus (3);
One annulus bracing wire (4), the quantity of annulus bracing wire (4) is at least two, the lower end of described annulus bracing wire (4) is provided with the structure of a bearing ring (3) or directly links to each other with described annulus (3), and the upper end edge conveying lever (1) of annulus bracing wire (4) axially stretches out outside the human body.
2. the percutaneous aortic valve replacement operation conveyer device of band valve positioning function according to claim 1, the cantilever end that it is characterized in that described locating rod (2) has circular arc or circular ring structure, locating rod (2) can launch at least 90 degree scopes, and body of rod length should be greater than implanting valve bracket left ventricular outflow tract view side radius.
3. the percutaneous aortic valve replacement operation conveyer device of band valve positioning function according to claim 1, the supporting structure that it is characterized in that the bearing ring (3) of annulus bracing wire (4) lower end is a supporting bar (6) perpendicular to annulus bracing wire (4) main body, and supporting bar (6) is with the L-shaped structure of annulus bracing wire (4).
4. conveyer device is used in the percutaneous aortic valve replacement operation of band valve positioning function according to claim 1, it is characterized in that the surface of described conveying lever (1) is provided with the axial notch that is used to place annulus bracing wire (4) (7) that equates with annulus bracing wire (4) quantity.
5. conveyer device is used in the percutaneous aortic valve replacement operation of band valve positioning function according to claim 1, it is characterized in that described annulus bracing wire (4) stretches out the outer end of human body and links to each other with synchronous or single operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206319978U CN201870772U (en) | 2010-11-30 | 2010-11-30 | Delivery device with valve positioning function for percutaneous aortic valve replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206319978U CN201870772U (en) | 2010-11-30 | 2010-11-30 | Delivery device with valve positioning function for percutaneous aortic valve replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201870772U true CN201870772U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206319978U Expired - Fee Related CN201870772U (en) | 2010-11-30 | 2010-11-30 | Delivery device with valve positioning function for percutaneous aortic valve replacement |
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| CN (1) | CN201870772U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972177A (en) * | 2010-11-30 | 2011-02-16 | 孔祥清 | Percutaneous aortic valve replacement surgery conveying device with valve positioning function |
| US11857441B2 (en) | 2018-09-04 | 2024-01-02 | 4C Medical Technologies, Inc. | Stent loading device |
| US11931253B2 (en) | 2020-01-31 | 2024-03-19 | 4C Medical Technologies, Inc. | Prosthetic heart valve delivery system: ball-slide attachment |
| US11944537B2 (en) | 2017-01-24 | 2024-04-02 | 4C Medical Technologies, Inc. | Systems, methods and devices for two-step delivery and implantation of prosthetic heart valve |
| US11957577B2 (en) | 2017-01-19 | 2024-04-16 | 4C Medical Technologies, Inc. | Systems, methods and devices for delivery systems, methods and devices for implanting prosthetic heart valves |
-
2010
- 2010-11-30 CN CN2010206319978U patent/CN201870772U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972177A (en) * | 2010-11-30 | 2011-02-16 | 孔祥清 | Percutaneous aortic valve replacement surgery conveying device with valve positioning function |
| WO2012071754A1 (en) * | 2010-11-30 | 2012-06-07 | Kong Xiangqing | Conveying appliance with valve locating function for use during percutaneous aortic valve replacement operation |
| CN101972177B (en) * | 2010-11-30 | 2016-02-03 | 孔祥清 | With the percutaneous aortic valve replacement operation conveyer device of valve positioning function |
| US11957577B2 (en) | 2017-01-19 | 2024-04-16 | 4C Medical Technologies, Inc. | Systems, methods and devices for delivery systems, methods and devices for implanting prosthetic heart valves |
| US11944537B2 (en) | 2017-01-24 | 2024-04-02 | 4C Medical Technologies, Inc. | Systems, methods and devices for two-step delivery and implantation of prosthetic heart valve |
| US11857441B2 (en) | 2018-09-04 | 2024-01-02 | 4C Medical Technologies, Inc. | Stent loading device |
| US11931253B2 (en) | 2020-01-31 | 2024-03-19 | 4C Medical Technologies, Inc. | Prosthetic heart valve delivery system: ball-slide attachment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |