CN211155932U - Forward clamping device for trans-femoral retrograde aortic valve leaflet - Google Patents
Forward clamping device for trans-femoral retrograde aortic valve leaflet Download PDFInfo
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- CN211155932U CN211155932U CN201921158481.3U CN201921158481U CN211155932U CN 211155932 U CN211155932 U CN 211155932U CN 201921158481 U CN201921158481 U CN 201921158481U CN 211155932 U CN211155932 U CN 211155932U
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- guide
- clamping device
- aortic valve
- groove
- valve leaflet
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Abstract
The utility model discloses a forward clamping device for a retrograde aortic valve leaflet through femoral artery, which comprises a clamping device, a conveying steel cable, a control fiber filament and an external controller, wherein one end of the conveying steel cable is connected with the clamping device, a plurality of first guide grooves are arranged on the clamping device, and the first guide grooves are uniformly arranged along the circumferential direction by taking the axis of the clamping device as the center; the clamping device is provided with a guide hole in a penetrating mode along the axis, the support frame is connected with the guide hole in a sliding mode and connected with the support frame, a plurality of second guide grooves are formed in the support frame, each second guide groove corresponds to the corresponding first guide groove, and the first guide grooves and the second guide grooves form a sliding cavity. The anterior clamping device for the femoral retrograde aortic valve leaflet has the advantages of small size, capability of being repeatedly operated under the guidance of ultrasound, small wound, convenience in operation and few complications, and can be used by doctors to perform high-safety minimally invasive surgery with low operation difficulty and good treatment effect.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a forward clamping device for a retrograde aortic valve leaflet through femoral artery.
Background
With the aging population, aortic valvular diseases become the main influencing factors of valvular diseases of the elderly, often leading to cardiac insufficiency, heart failure and even death. At present, for old and high-risk aortic valve patients, the treatment is difficult because the aortic valve insufficiency patients have too large valve ring, too large valve insufficiency gap and serious calcification of the valve ring.
Most of the treatment at present adopts open chest treatment, but the safety is lower for patients with more difficult operation. Aiming at the problems, the device is innovatively designed on the basis of the original transfemoral retrograde aortic valve leaflet forward clamping device.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a to the not enough of prior art, the utility model provides a forward clamping device of aortic valve leaflet retrograde motion through femoral artery has solved to the great patient of the operation degree of difficulty, the lower problem of security.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a forward clamping device for a trans-femoral retrograde aortic valve leaflet comprises a clamp, a support frame and a control fiber wire, wherein one end of the clamp is connected with an endoscopic therapeutic apparatus, the clamp is provided with a plurality of first guide grooves, and the first guide grooves are uniformly arranged along the circumferential direction by taking the axis of the clamp as the center;
a guide hole penetrates through the clamping device along the axis, the support frame is connected with the guide hole in a sliding manner and is connected with the endoscopic therapeutic apparatus, a plurality of second guide grooves are formed in the support frame, each second guide groove corresponds to the first guide groove, and the first guide grooves and the second guide grooves form a sliding cavity;
the manipulation fiber wire is arranged in the sliding cavity and is used for suturing the valve leaflets.
Preferably, the first guide groove comprises a first arc groove, a straight hole and a straight groove, the direction of the straight hole is the same as the axis of the clamping device, the straight hole, the first arc groove and the straight groove are sequentially connected end to end, and a certain angle is formed between the axis of the straight groove and the axis of the straight hole.
Preferably, the angle between the axis of the straight hole and the axis of the straight groove is 0-30 degrees.
Preferably, the number of the first guide grooves is at least three.
Preferably, the support frame includes guide bar and bottom plate, the bottom plate sets up the one end of guide bar, just the guide bar with the bottom plate is perpendicular, the guide bar with guiding hole sliding fit, the second guide way sets up on the bottom plate, just the quantity of second guide way with first guide way is the same.
Preferably, the second guide groove comprises a second arc groove and a guide edge, the second arc groove is arranged on the top surface of the bottom plate, the guide edge is arranged on the outer circular surface of the bottom plate, and the second arc groove is communicated with the guide edge.
Preferably, one end of the clamping device, which is far away from the therapeutic apparatus, is provided with a protective sleeve, and one end of the protective sleeve, which is far away from the clamping device, is an arc surface.
Preferably, the material of the protective sleeve is silica gel.
(III) advantageous effects
The utility model provides a forward clamping device for a retrograde aortic valve leaflet through femoral artery. The method has the following beneficial effects:
this through arteria femoralis retrograde aortic valve leaflet forward clamping device volume is very little, and the doctor can use this device to carry out the high minimal access surgery of security, and the operation degree of difficulty is lower, and treatment is good to with low costs, the learning degree of difficulty is low, thereby saves patient's life.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a front sectional view of the rolled state of the present invention;
fig. 4 is a front half-sectional view of the present invention in an expanded state.
In the figure: 1. a clamp; 101. a guide hole; 102. a first guide groove; 1021. a first arc groove; 1022. a straight hole; 1023. a straight groove; 2. a support frame; 201. a guide bar; 202. a base plate; 203. a second guide groove; 2031. a second arc groove; 2032. a guide edge; 3. a protective sleeve; 4. the filaments are manipulated.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: a forward clamping device for a transfemoral retrograde aortic valve leaflet comprises a clamp 1, a guide hole 101, a first guide groove 102, a first arc groove 1021, a straight hole 1022, a straight groove 1023, a support frame 2, a guide rod 201, a bottom plate 202, a second guide groove 203, a second arc groove 2031, a guide edge 2032, a protective sleeve 3 and a control fiber wire 4, wherein one end of the clamp 1 is connected with an endoscopic therapeutic apparatus, the clamp 1 is provided with a plurality of first guide grooves 102, and the first guide grooves 102 are uniformly arranged along the circumferential direction by taking the axis of the clamp 1 as the center; a guide hole 101 penetrates through the clamp 1 along the axis, the support frame 2 is connected with the guide hole 101 in a sliding manner, the support frame 2 is connected with the endoscopic therapeutic apparatus, a plurality of second guide grooves 203 are formed in the support frame 2, each second guide groove 203 corresponds to the first guide groove 102, and the first guide grooves 102 and the second guide grooves 203 form a sliding cavity; the manipulation fiber 4 is disposed in the sliding cavity, and the manipulation fiber 4 is used for suturing the valve leaflets.
The first guide groove 102 comprises a first arc groove 1021, a straight hole 1022 and a straight groove 1023, the direction of the straight hole 1022 is the same as the axis of the clamp 1, the straight hole 1022, the first arc groove 1021 and the straight groove 1023 are sequentially connected end to end, a certain angle is formed between the axis of the straight groove 1023 and the axis of the straight hole 1022, and when the fiber yarn 4 is conveyed in the sliding cavity, the first guide groove 102 guides the first arc groove 1021, so that the fiber yarn 4 is operated to be in a hook-shaped structure when leaving the interior of the clamp 1.
The angle between the axis of the straight hole 1022 and the axis of the straight groove 1023 is 0-30 degrees, and the angle between the straight hole 1022 and the straight groove 1023 can make the control fiber wire 4 form a hook structure when outputting, thereby connecting and sewing the separated valve leaflets.
The number of the first guide grooves 102 is at least three, and the first guide grooves 102 uniformly arranged on the clamp 1 along the circumferential direction can realize that the affected part is sutured with the control fiber 4 at least three times during one treatment, thereby improving the fixing effect.
The support frame 2 comprises a guide rod 201 and a bottom plate 202, the bottom plate 202 is arranged at one end of the guide rod 201, the guide rod 201 is perpendicular to the bottom plate 202, the guide rod 201 is in sliding fit with the guide hole 101, the second guide groove 203 is arranged on the bottom plate 202, the number of the second guide grooves 203 is the same as that of the first guide grooves 102, when the support frame 2 is driven by the therapeutic apparatus, the guide rod 201 can drive the bottom plate 202 to move on the clamp 1, and therefore the first guide grooves 102 are separated from or attached to the second guide grooves 203, and the bending direction of the control fiber filaments 4 is controlled.
The second guide groove 203 includes a second arc groove 2031 and a guide edge 2032, the second arc groove 2031 is disposed on the top surface of the base plate 202, the guide edge 2032 is disposed on the outer circumferential surface of the base plate 202, and the second arc groove 2031 is communicated with the guide edge 2032, when the fiber filament 4 is manipulated to be output from the clamping device 1, both sides of the fiber filament 4 are manipulated to be guided by the first guide groove 102 and the second guide groove 203, when the supporting frame 2 is separated from the clamping device 1, the bottom of the fiber filament 4 is manipulated to be in contact with the guide edge 2032, so as to guide the manipulation fiber filament 4.
One end that clamp 1 kept away from the therapeutic instrument is provided with protective sheath 3, and the one end that clamp 1 was kept away from to protective sheath 3 is the arc surface, drives this device at the therapeutic instrument and gets into the patient when internal, sets up at protective sheath 3 of 1 front ends of clamp at first with patient's health contact, the arc surface that protective sheath 3 front end set up can avoid this device to cause the injury to patient's health at the removal in-process.
The material of protective sheath 3 is silica gel, and silica gel is soft materials, avoids this device at the internal epidermis of removal in-process fish tail patient.
When in treatment, the endoscopic therapeutic apparatus is operated to move the device to the affected part of a patient, the clamp 1 and the support frame 2 are closed, the device is in a curled state at the moment, the operating fiber wire 4 is conveyed to the affected part through the sliding cavity by operating the endoscopic therapeutic apparatus, the operating fiber wire 4 forms a curved shape under the guiding action of the sliding cavity, and the valve leaflet is sutured by operating the tip end of the fiber wire 4; after suturing is completed, the operation treatment instrument pushes the support frame 2 to move towards the inner end of the clamp 1, and separates the clamp 1 from the front end of the support frame 2, so that the first guide groove 102 and the second guide groove 203 are separated, at this time, the device is in a unfolding state, the operation fiber wire 4 is deformed only by the driving of the first guide groove 102, the extending direction of the operation fiber wire 4 after extending from the clamp 1 is perpendicular to the bottom surface of the clamp 1, the operation fiber wire 4 is cut off, and the operation treatment instrument is taken out, so that the operation fiber wire 4 connecting the valve leaflets is fixed at the affected part of the patient, and the content which is not described in detail in the specification belongs to the prior art which is well known to those skilled in the art.
To sum up, this through the anterior clamping device volume of femoral artery retrograde aortic valve leaflet is very little, and the doctor can use this device to carry out the high minimal access surgery of security, and the operation degree of difficulty is lower, and treatment is effectual to with low costs, the learning degree of difficulty is low, thereby saves patient's life.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A transfemoral retrograde aortic valve leaflet forward clamping device is characterized in that: the endoscopic instrument comprises a clamp, a support frame and a control fiber wire, wherein one end of the clamp is connected with an endoscopic therapeutic instrument, a plurality of first guide grooves are formed in the clamp, and the first guide grooves are uniformly arranged in the circumferential direction by taking the axis of the clamp as the center;
a guide hole penetrates through the clamping device along the axis, the support frame is connected with the guide hole in a sliding manner and is connected with the endoscopic therapeutic apparatus, a plurality of second guide grooves are formed in the support frame, each second guide groove corresponds to the first guide groove, and the first guide grooves and the second guide grooves form a sliding cavity;
the manipulation fiber wire is arranged in the sliding cavity and is used for suturing the valve leaflets.
2. The device of claim 1, wherein the aortic valve leaflet forward clamping device comprises: the first guide groove comprises a first arc groove, a straight hole and a straight groove, the direction of the straight hole is the same as the axis of the clamping device, the straight hole, the first arc groove and the straight groove are sequentially connected end to end, and a certain angle is formed between the axis of the straight groove and the axis of the straight hole.
3. The device of claim 2, wherein the aortic valve leaflet forward clamping device comprises: the angle between the axis of the straight hole and the axis of the straight groove is 0-30 degrees.
4. The device for anterior clamping of the transfemoral retrograde aortic valve leaflet as claimed in any one of claims 1 to 3, wherein: the number of the first guide grooves is at least three.
5. The device of claim 1, wherein the aortic valve leaflet forward clamping device comprises: the support frame includes guide bar and bottom plate, the bottom plate sets up the one end of guide bar, just the guide bar with the bottom plate is perpendicular, the guide bar with guiding hole sliding fit, the second guide way sets up on the bottom plate, just the quantity of second guide way with first guide way is the same.
6. The device of claim 5, wherein the aortic valve leaflet forward clamping device comprises: the second guide groove comprises a second arc groove and a guide edge, the second arc groove is arranged on the top surface of the bottom plate, the guide edge is arranged on the outer circular surface of the bottom plate, and the second arc groove is communicated with the guide edge.
7. The device of claim 1, wherein the aortic valve leaflet forward clamping device comprises: one end of the clamp far away from the therapeutic apparatus is provided with a protective sleeve, and one end of the protective sleeve far away from the clamp is an arc surface.
8. The device of claim 7, wherein the aortic valve leaflet forward clamping device comprises: the protective sleeve is made of silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921158481.3U CN211155932U (en) | 2019-07-22 | 2019-07-22 | Forward clamping device for trans-femoral retrograde aortic valve leaflet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921158481.3U CN211155932U (en) | 2019-07-22 | 2019-07-22 | Forward clamping device for trans-femoral retrograde aortic valve leaflet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211155932U true CN211155932U (en) | 2020-08-04 |
Family
ID=71787366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921158481.3U Expired - Fee Related CN211155932U (en) | 2019-07-22 | 2019-07-22 | Forward clamping device for trans-femoral retrograde aortic valve leaflet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211155932U (en) |
-
2019
- 2019-07-22 CN CN201921158481.3U patent/CN211155932U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20210722 |
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| CF01 | Termination of patent right due to non-payment of annual fee |