CN204600796U - A kind of Simple conveying device for insertion type artificial cardiac valve - Google Patents
A kind of Simple conveying device for insertion type artificial cardiac valve Download PDFInfo
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- CN204600796U CN204600796U CN201520238196.8U CN201520238196U CN204600796U CN 204600796 U CN204600796 U CN 204600796U CN 201520238196 U CN201520238196 U CN 201520238196U CN 204600796 U CN204600796 U CN 204600796U
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- cardiac valve
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Abstract
The utility model discloses a kind of Simple conveying device for insertion type artificial cardiac valve, belong to insertion type technical field of medical instruments, described Simple conveying device comprises outer sheath and pushes pipe, described propelling movement pipe box is contained in outer sheath and can axially moves in outer sheath, described propelling movement pipe near-end spills described outer sheath near-end, and described propelling movement pipe far-end is provided with the stand connection that can match with the conveying link on insertion type artificial cardiac valve support.Described transport conveyor constructions is simple, easy to use, is released into power high, is applicable to the insertion type artificial cardiac valve conveying-release strategy of number of ways, can realizes the quick and precisely release of insertion type artificial cardiac valve.
Description
Technical field
This utility model belongs to insertion type technical field of medical instruments, is specifically related to a kind of Simple conveying device for insertion type artificial cardiac valve.
Background technology
Heart is the very important organ of human body, for blood circulation of human body provides power, heart is divided into left and right two parts, every part comprises a ventricle and atrium, separated by interventricular septum and interatrial septum between ventricle and ventricle and between atrium and atrium, there is the valve preventing blood reflux between room, room, tremulous pulse.Valve wherein between left atrium and left ventricle is Bicuspid valve, and the valve between right atrium and right ventricle is Tricuspid valve, and the valve between left ventricle and large artery trunks is aortic valve, and the valve between right ventricle and pulmonary artery is valve of pulmonary trunk.
Above-mentioned valve can along with the contraction of heart and the corresponding open and close of diastole, and therefore the valve of heart must bear the extruding of blood and surrounding lobe ring and washing away of blood for a long time.If because disease or other reason cause valve to close completely or to open insufficient, then backflowing and supply of blood flow deficiency of blood will be caused.Such as: valvular stenosis causes the smooth or incompetence of blood circulation to cause cardiac blood supply deficiency, thus greatly increase the weight of the burden of heart, cause cardiac failure, for this type of valvular heart disease, traditional therapy is out cardiac arrest after breast, under cryotron circulatory support, opens heart and carries out the surgical repair of valve or the displacement of artificial valve, make recovering beat of heart again after having performed the operation, complete subsequent operation.Surgery prosthetic valve replacement operation wound is large, and the recovery time of patient is long, therefore to gerontal patient often because of advanced age, body constitution is weak, pathological changes is heavy or merging Other diseases and avoid performing the operation.
Min. traumatic surgery technology is at development, wherein, Cardiac valve prosthesis can adopt conduit to introduce in patient body, namely cardiac valve is placed by Wicresoft's intervene operation, operation is without the need to opening breast, thus wound is little, post-operative recovery fast, for the valvular stenosis patient that those current conventional therapy means can not extend its life or alleviate its misery, provides a kind of new solution.At present, be all rely on certain conveyer device that insertion type artificial cardiac valve is transported to predetermined position to discharge usually in process insertion type artificial cardiac valve implanted.But the most more complicated of existing transport conveyor constructions, operates more loaded down with trivial details, not easily realizes locating release rapidly and accurately, very high to the operation requirements of doctor.
Utility model content
This utility model, for the problems referred to above, provides a kind of Simple conveying device for insertion type artificial cardiac valve.
The purpose of this utility model is realized by following technical proposals:
A kind of Simple conveying device for insertion type artificial cardiac valve, comprise outer sheath and push pipe, described propelling movement pipe box is contained in outer sheath and can axially moves in outer sheath, described propelling movement pipe near-end spills described outer sheath near-end, described propelling movement pipe far-end is provided with the stand connection that can match with the conveying link on insertion type artificial cardiac valve support, described stand connection can be made to spill outer sheath far-end by distally pushing described propelling movement pipe, described stand connection can be made to enter in outer sheath by proximally pulling described propelling movement pipe and form the space that can hold insertion type artificial cardiac valve at outer sheath distal tube intracavity.This transport conveyor constructions is simple, easy to use, is released into power high, is applicable to the insertion type artificial cardiac valve conveying-release strategy of number of ways.During use, first distally pushing described propelling movement pipe makes described stand connection spill outer sheath far-end, then insertion type artificial cardiac valve is connected in the stand connection of described propelling movement pipe far-end, described propelling movement is proximally pulled to manage again, described stand connection is made to drive valve to enter in outer sheath the loading completing valve completely, then by intervening mode, the outer sheath being mounted with valve is inserted into predetermined off-position, distally promoting described propelling movement pipe again makes stand connection spill outer sheath far-end, insertion type artificial cardiac valve under the effect of natural resiliency at precalculated position spread apart, and depart from stand connection, realize the quick and precisely release of insertion type artificial cardiac valve.
Alternately, described stand connection is the protuberance or hook that match with the conveying connecting hole on insertion type artificial cardiac valve.
Alternately, throughly between the far-end of described propelling movement pipe and near-end thread eye is provided with.During use, seal wire can be penetrated from thread eye, first seal wire is inserted into predetermined off-position, then under the guiding of seal wire, insert the outer sheath being mounted with valve, further facilitate the predetermined off-position of smooth arrival of outer sheath.
Alternately, between described outer sheath and above-mentioned propelling movement pipe, realize relative movement by thread matching structure, to complete push-and-pull operation.By thread matching structure, push-and-pull is operated more steadily and controllable precise.
Alternately, described propelling movement pipe near-end is provided with handle.Conveniently grasp by arranging propelling movement pipe handle and carry out push-and-pull operation.As optional, described propelling movement pipe handle can be arranged on and push pipe sidewall, also can manage coaxial setting with propelling movement, further, be provided with axially through thread eye in described propelling movement pipe handle.
Alternately, described outer sheath near-end is provided with handle.Conveniently grasp by arranging propelling movement pipe handle and carry out push-and-pull operation.As optional, described outer sheath handle can be arranged on outer sheath sidewall, also coaxially can arrange with outer sheath, and is set with outside described propelling movement pipe.
Alternately, at least one place in described outer sheath is provided with hemostasis parts, as hemostasis ring, in the gap of described hemostasis parts between described outer sheath inwall and described propelling movement pipe outer wall.Prevent blood in course of conveying from oozing out from gap by arranging hemostasis parts.
Alternately, described outer sheath near-end is provided with outer sheath handle, and described outer sheath handle is hollow structure, and described propelling movement pipe box is mounted in it, and is provided with hemostasis parts between described outer sheath handle inwall and propelling movement pipe outer wall.
Alternately, described outer sheath near-end is provided with outer sheath handle, described outer sheath handle is hollow structure, described propelling movement pipe box is mounted in it, described outer sheath handle is provided with dead ring, it can being avoided to move in outer sheath by locked for described propelling movement pipe by tightening described dead ring, can unlock again by loosening described dead ring.Outer sheath can be prevented by described dead ring and push the relative movement met accident between pipe.
Alternately, described outer sheath and/or propelling movement pipe far-end are provided with development site.In course of conveying, described development site coordinates with developing apparatus the particular location can observed outer sheath intuitively and/or push pipe far-end, is convenient to accurately judge whether to arrive predetermined off-position, to ensure the accuracy of locating release.Alternately, described development site is developing ring, and adopt developing ring conveniently to observe from different perspectives, can also observe the inclination conditions of conveyer device, further, described developing ring comprises annular groove and is filled in developing media wherein.As optional, multiple development hole that described development site comprises Discrete Distribution ringwise and the developing media be filled in described development hole, adopt multiple development holes of Discrete Distribution can reach the effect substantially identical with developing ring, and the consumption of developing media can be reduced.Alternately, described developing media is radiopaque metal medium.Alternately, described developing media is bio-inert material.Alternately, described developing media is one or more in platinum (Pt), platinumiridio (Pt/Ir), tantalum metal (Ta).Alternately, described developing media is be pressed into the development ball in described annular groove or development hole.
Alternately, described outer sheath outer surface is provided with along its axially extended scale.The convenient insertion depth judging outer sheath, is convenient to accurate location.
Alternately, described outer sheath and/or propelling movement pipe distal tip are soft head.Soft head is adopted to avoid producing unnecessary damage to surrounding tissue in course of conveying.
Alternately, described outer sheath near-end is also provided with evacuated tube, and described evacuated tube communicates with the gap between described outer sheath with above-mentioned propelling movement pipe, can be got rid of the air in conveyer device by described evacuated tube.Reduce the resistance that push-and-pull pushes pipe, avoid introducing too much air when push-and-pull pushes pipe repeatedly because of adjustment off-position simultaneously.
Alternately, described propelling movement pipe near-end is provided with the interface be communicated with described thread eye, arranges interface and can further facilitate penetrating of seal wire.
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way
The beneficial effects of the utility model:
Transport conveyor constructions described in the utility model is simple, easy to use, is released into power high, is applicable to the insertion type artificial cardiac valve conveying-release strategy of number of ways, can realizes the quick and precisely release of insertion type artificial cardiac valve.
Accompanying drawing explanation
Fig. 1 is structural representation when a kind of Simple conveying device described in embodiment 2 is in release state;
Fig. 2 is structural representation when a kind of Simple conveying device described in embodiment 2 is in retracted state;
Fig. 3 is the profile of the distal portions of structure shown in Fig. 2.
Wherein, 21 be outer sheath, 22 be stand connection for pushing pipe, 23,24 be outer sheath handle, 25 be thread eye for pushing pipe handle, 26,27 be dead ring, 29 be developing ring, 210 be evacuated tube, 211 be interface for hemostasis parts, 28.
Detailed description of the invention
By the following examples this utility model is specifically described; what be necessary to herein means out is that the present embodiment is only for being further described this utility model; but can not be interpreted as the restriction to this utility model protection domain, the person skilled in the art in this field can make improvement and the adjustment of some non-intrinsically safes to this utility model according to above-mentioned content of the present utility model.
embodiment 1:
A kind of Simple conveying device for insertion type artificial cardiac valve, comprise outer sheath and push pipe, described propelling movement pipe box is contained in outer sheath and can axially moves in outer sheath, described propelling movement pipe near-end spills described outer sheath near-end, described propelling movement pipe far-end is provided with the stand connection that can match with the conveying link on insertion type artificial cardiac valve support, described stand connection can be made to spill outer sheath far-end by distally pushing described propelling movement pipe, described stand connection can be made to enter in outer sheath by proximally pulling described propelling movement pipe and form the space that can hold insertion type artificial cardiac valve at outer sheath distal tube intracavity.This transport conveyor constructions is simple, easy to use, is released into power high, is applicable to the insertion type artificial cardiac valve conveying-release strategy of number of ways.During use, first distally pushing described propelling movement pipe can make described stand connection spill outer sheath far-end, then insertion type artificial cardiac valve is connected in the stand connection of described propelling movement pipe far-end, described propelling movement is proximally pulled to manage again, described stand connection is made to drive valve to enter in outer sheath the loading completing valve completely, then by intervening mode, the outer sheath being mounted with valve is inserted into predetermined off-position, distally promoting described propelling movement pipe again makes stand connection spill outer sheath far-end, insertion type artificial cardiac valve under the effect of natural resiliency at precalculated position spread apart, and depart from stand connection, realize the quick and precisely release of insertion type artificial cardiac valve.
Alternately, described stand connection is the protuberance or hook that match with the conveying connecting hole on insertion type artificial cardiac valve.
Alternately, throughly between the far-end of described propelling movement pipe and near-end thread eye is provided with.During use, seal wire can be penetrated from thread eye, first seal wire is inserted into predetermined off-position, then under the guiding of seal wire, insert the outer sheath being mounted with valve, further facilitate the predetermined off-position of smooth arrival of outer sheath.
Alternately, between described outer sheath and above-mentioned propelling movement pipe, realize relative movement by thread matching structure, to complete push-and-pull operation.By thread matching structure, push-and-pull is operated more steadily and controllable precise.
Alternately, described propelling movement pipe near-end is provided with handle.Conveniently grasp by arranging propelling movement pipe handle and carry out push-and-pull operation.As optional, described propelling movement pipe handle can be arranged on and push pipe sidewall, also can manage coaxial setting with propelling movement, further, be provided with axially through thread eye in described propelling movement pipe handle.
Alternately, described outer sheath near-end is provided with handle.Conveniently grasp by arranging propelling movement pipe handle and carry out push-and-pull operation.As optional, described outer sheath handle can be arranged on outer sheath sidewall, also coaxially can arrange with outer sheath, and is set with outside described propelling movement pipe.
Alternately, at least one place in described outer sheath is provided with hemostasis parts, as hemostasis ring, in the gap of described hemostasis parts between described outer sheath inwall and described propelling movement pipe outer wall.Prevent blood in course of conveying from oozing out from gap by arranging hemostasis parts.
Alternately, described outer sheath near-end is provided with outer sheath handle, and described outer sheath handle is hollow structure, and described propelling movement pipe box is mounted in it, and is provided with hemostasis parts between described outer sheath handle inwall and propelling movement pipe outer wall.
Alternately, described outer sheath near-end is provided with outer sheath handle, described outer sheath handle is hollow structure, described propelling movement pipe box is mounted in it, described outer sheath handle is provided with dead ring, it can being avoided to move in outer sheath by locked for described propelling movement pipe by tightening described dead ring, can unlock again by loosening described dead ring.Outer sheath can be prevented by described dead ring and push the relative movement met accident between pipe.
Alternately, described outer sheath and/or propelling movement pipe far-end are provided with development site.In course of conveying, described development site coordinates with developing apparatus the particular location can observed outer sheath intuitively and/or push pipe far-end, is convenient to accurately judge whether to arrive predetermined off-position, to ensure the accuracy of locating release.Alternately, described development site is developing ring, and adopt developing ring conveniently to observe from different perspectives, can also observe the inclination conditions of conveyer device, further, described developing ring comprises annular groove and is filled in developing media wherein.As optional, multiple development hole that described development site comprises Discrete Distribution ringwise and the developing media be filled in described development hole, adopt multiple development holes of Discrete Distribution can reach the effect substantially identical with developing ring, and the consumption of developing media can be reduced.Alternately, described developing media is radiopaque metal medium.Alternately, described developing media is bio-inert material.Alternately, described developing media is one or more in platinum (Pt), platinumiridio (Pt/Ir), tantalum metal (Ta).Alternately, described developing media is be pressed into the development ball in described annular groove or development hole.
Alternately, described outer sheath outer surface is provided with along its axially extended scale.The convenient insertion depth judging outer sheath, is convenient to accurate location.
Alternately, described outer sheath and/or propelling movement pipe distal tip are soft head.Soft head is adopted to avoid producing unnecessary damage to surrounding tissue in course of conveying.
Alternately, described outer sheath near-end is also provided with evacuated tube, and described evacuated tube communicates with the gap between described outer sheath with above-mentioned propelling movement pipe, can be got rid of the air in conveyer device by described evacuated tube.Reduce the resistance that push-and-pull pushes pipe, avoid introducing too much air when push-and-pull pushes pipe repeatedly because of adjustment off-position simultaneously.
Alternately, described propelling movement pipe near-end is provided with the interface be communicated with described thread eye, arranges interface and can further facilitate penetrating of seal wire.
embodiment 2:
As depicted in figs. 1 and 2, a kind of Simple conveying device for insertion type artificial cardiac valve, comprise outer sheath 21 and push pipe 22, described propelling movement pipe 22 is sleeved in outer sheath 21 and can axially moves in outer sheath 21, described propelling movement pipe 22 near-end spills described outer sheath 21 near-end, described propelling movement pipe 22 far-end is provided with the stand connection 23 that can match with the conveying link on insertion type artificial cardiac valve support, described stand connection 23 can be made to spill outer sheath 21 far-end by distally pushing described propelling movement pipe 22, described stand connection 23 can be made to enter in outer sheath 21 by proximally pulling described propelling movement pipe 22 and form the space that can hold insertion type artificial cardiac valve at outer sheath 21 distal tube intracavity, described outer sheath 21 near-end is provided with outer sheath handle 24, described propelling movement pipe 22 near-end is provided with and pushes pipe handle 25, the thread eye 26 axially running through whole conveyer device is also comprised in described conveyer device.
Alternately, described stand connection is the protuberance or hook that match with the conveying connecting hole on insertion type artificial cardiac valve.
Alternately, between described outer sheath and above-mentioned propelling movement pipe, realize relative movement by thread matching structure, to complete push-and-pull operation.
Alternately, at least one place in described outer sheath is provided with hemostasis parts 27, as hemostasis ring, in the gap of described hemostasis parts between described outer sheath inwall and described propelling movement pipe outer wall.Further, described hemostasis ring is arranged in the gap between outer sheath handle 24 inwall and described propelling movement pipe 22 outer wall.
Alternately, described outer sheath or outer sheath handle are provided with dead ring 28, it can be avoided to move in outer sheath by locked for described propelling movement pipe by tightening described dead ring 28, can unlock again by loosening described dead ring.
Alternately, described outer sheath and/or propelling movement pipe far-end are provided with development site.Alternately, described development site is developing ring 29, and adopt developing ring conveniently to observe from different perspectives, can also observe the inclination conditions of conveyer device, further, described developing ring comprises annular groove and is filled in developing media wherein.As optional, multiple development hole that described development site comprises Discrete Distribution ringwise and the developing media be filled in described development hole, adopt multiple development holes of Discrete Distribution can reach the effect substantially identical with developing ring, and the consumption of developing media can be reduced.Alternately, described developing media is radiopaque metal medium.Alternately, described developing media is bio-inert material.Alternately, described developing media is one or more in platinum (Pt), platinumiridio (Pt/Ir), tantalum metal (Ta).Alternately, described developing media is be pressed into the development ball in described annular groove or development hole.
Alternately, described outer sheath outer surface is provided with along its axially extended scale.The convenient insertion depth judging outer sheath, is convenient to accurate location.
Alternately, described outer sheath and/or propelling movement pipe distal tip are soft head.Soft head is adopted to avoid producing unnecessary damage to surrounding tissue in course of conveying.
Alternately, described outer sheath near-end is also provided with evacuated tube 210, and described evacuated tube 210 communicates with the gap between described outer sheath with above-mentioned propelling movement pipe, can be got rid of the air in conveyer device by described evacuated tube.Reduce the resistance that push-and-pull pushes pipe, avoid introducing too much air when push-and-pull pushes pipe repeatedly because of adjustment off-position simultaneously.
Alternately, described propelling movement pipe near-end is provided with the interface 211 be communicated with described thread eye 26, arranges interface and can further facilitate penetrating of seal wire.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for this utility model, and nonrestrictive; Those of ordinary skill in the art understand, and can carry out many changes in the spirit and scope that this utility model limits to it, amendment, and even equivalence is changed, but all will fall into protection domain of the present utility model.
Claims (10)
1. the Simple conveying device for insertion type artificial cardiac valve, it is characterized in that, comprise outer sheath and push pipe, described propelling movement pipe box is contained in outer sheath and can axially moves in outer sheath, described propelling movement pipe near-end spills described outer sheath near-end, described propelling movement pipe far-end is provided with the stand connection that can match with the conveying link on insertion type artificial cardiac valve support, described stand connection can be made to spill outer sheath far-end by distally pushing described propelling movement pipe, described stand connection can be made to enter in outer sheath by proximally pulling described propelling movement pipe and form the space that can hold insertion type artificial cardiac valve at outer sheath distal tube intracavity.
2. the Simple conveying device for insertion type artificial cardiac valve according to claim 1, is characterized in that, throughly between the far-end of described propelling movement pipe and near-end is provided with thread eye.
3. the Simple conveying device for insertion type artificial cardiac valve according to claim 1, is characterized in that, described outer sheath near-end and/or described propelling movement pipe near-end are provided with handle.
4. the Simple conveying device for insertion type artificial cardiac valve according to claim 1, it is characterized in that, at least one place in described outer sheath is provided with hemostasis parts, in the gap of described hemostasis parts between described outer sheath inwall and described propelling movement pipe outer wall.
5. the Simple conveying device for insertion type artificial cardiac valve according to claim 1, it is characterized in that, described outer sheath near-end is provided with outer sheath handle, described outer sheath handle is hollow structure, described propelling movement pipe box is mounted in it, and is provided with hemostasis parts between described outer sheath handle inwall and propelling movement pipe outer wall.
6. the Simple conveying device for insertion type artificial cardiac valve according to claim 1, it is characterized in that, described outer sheath near-end is provided with outer sheath handle, described outer sheath handle is hollow structure, described propelling movement pipe box is mounted in it, described outer sheath handle is provided with dead ring, it can be avoided to move in outer sheath by locked for described propelling movement pipe by tightening described dead ring, can unlock again by loosening described dead ring.
7. a Simple conveying device for insertion type artificial cardiac valve according to claim 1, is characterized in that, described outer sheath and/or propelling movement pipe far-end are equipped with development site.
8. a Simple conveying device for insertion type artificial cardiac valve according to claim 1, is characterized in that, described outer sheath outer surface is provided with along its axially extended scale.
9. a Simple conveying device for insertion type artificial cardiac valve according to claim 1, is characterized in that, described outer sheath and/or propelling movement pipe distal tip are soft head.
10. a Simple conveying device for insertion type artificial cardiac valve according to claim 1, it is characterized in that, described outer sheath near-end is also provided with evacuated tube, described evacuated tube communicates with the gap between described outer sheath with above-mentioned propelling movement pipe, can be got rid of the air in conveyer device by described evacuated tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238196.8U CN204600796U (en) | 2015-04-20 | 2015-04-20 | A kind of Simple conveying device for insertion type artificial cardiac valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238196.8U CN204600796U (en) | 2015-04-20 | 2015-04-20 | A kind of Simple conveying device for insertion type artificial cardiac valve |
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| CN204600796U true CN204600796U (en) | 2015-09-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106063967A (en) * | 2016-07-13 | 2016-11-02 | 唐华松 | A kind of Novel drainage conduit of band developing ring |
| WO2024012380A1 (en) * | 2022-07-13 | 2024-01-18 | 杭州启明医疗器械股份有限公司 | Catheter implant system, and included associated device, prosthetic heart valves and method |
-
2015
- 2015-04-20 CN CN201520238196.8U patent/CN204600796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106063967A (en) * | 2016-07-13 | 2016-11-02 | 唐华松 | A kind of Novel drainage conduit of band developing ring |
| WO2024012380A1 (en) * | 2022-07-13 | 2024-01-18 | 杭州启明医疗器械股份有限公司 | Catheter implant system, and included associated device, prosthetic heart valves and method |
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