CN1410135A - Artificial ventriculus sinister blood driving cavity - Google Patents
Artificial ventriculus sinister blood driving cavity Download PDFInfo
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- CN1410135A CN1410135A CN 01136203 CN01136203A CN1410135A CN 1410135 A CN1410135 A CN 1410135A CN 01136203 CN01136203 CN 01136203 CN 01136203 A CN01136203 A CN 01136203A CN 1410135 A CN1410135 A CN 1410135A
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- artificial
- blood vessel
- ascending aorta
- femoral artery
- artificial blood
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Abstract
An artificial blood-driving cavity for left ventricle is an enclosed cas which has a profile of special arc surface, containing space, a base with transfer tube hole and enclosed tunica intima, a bigger opening for gap of artificial aorta ascenden, and a smaller opening for gap of artificial arteria femoralis. Its advantages are small size, easy implantation and taking it out, preventing thrombus and long service life.
Description
Technical field
The invention belongs to artificial organ, particularly a kind of artificial ventriculus sinister blood driving cavity.
Background technology
Account for the heart disease of one of ten big causes of the death, major part is that left ventricular insufficiency causes death.The left ventricle assistor that American-European design has been gone on the market, its volume is too big, is not suitable for the east human body and the heart donor that intimates lacks gradually.
As shown in Figure 6, the artificial left ventricle of tradition system is by appearance of tool cambered surface and the housing 1 of closed state of leveling off to, its inner accommodation space 10 that forms, on a side, extend side by side and be provided with two bigger outlet 11 and imports 12, and in outlet 11 and import 12, be respectively equipped with the one-way valve 110,120 that prevents blood back flow, but easily cause blood to block in outlet 11 and import 12 positions; Be provided with in the bottom of housing 1 and be plane chassis 13, and extend the capsula interna 130 that is closed state, extend in capsula interna 130 and have the mouth of pipe 140 and for the adapter 14 that places location transfer tube 2 by 13 places, chassis.Liquid or gas by transfer tube 2 into and out of capsula interna 130.Yet, as shown in Figure 7, regrettably, pony pump outside being arranged in human body is fed into gas or liquid in the transfer tube 2, makes the capsula interna 130 originally be the flat state that contracts outwards expand, force blood be the radiation state to around push, its blood that is full of in housing 1 can outwards be carried via unidirectional artificial valve 110 by outlet 11, so that fresh blood is transported to vasculature part,, constantly blood is sent to each corner of health by alternately contraction of capsula interna 130, the action of expansible rule.Yet blood is rich in stickiness, easily at the dead angle or coarse place produce and to stick phenomenon.Be subjected to the expansion of capsula interna 130 when housing 1 is pushed with the wall of taking over 2 when being positioned at the blood of taking over around 2, the top of capsula interna 130 proper and adapter 2 and 1 interval dead angle of formation of housing, add and be connected in the capsula interna of taking on 2 130, its peripheral part can't significantly shrink, so can make radial strength of pushing for its peripheral blood also diminishes, cause blood to present anaerobic condition and produce thrombosis, and then the initiation health produces every pathological changes and infection.The installing that causes usually general artificial left ventricle just must be changed, in use for some time to avoid causing life threatening such as thrombosis, sequela.This kind constructional device has its disappearance part really, the mechanicalness fault easily takes place in the unidirectional artificial valve 110,120 as housing 1, and when implanting, need to burrow or intubate at heart, implant simultaneously the intravital artificial left ventricle of patient's body use general during after, the operation that need change artificial heart again is to earn a bare living; Old artificial left ventricle is installed on the load that still can cause human body to bear on the volume; Therefore, how to innovate the artificial left ventricle structure of improvement, make that its implant surgery is easier, the reduced volume scope, reduce sequela generation, monitor easily, the artificial left ventricle of being convenient to take out/implant, increase the service life becomes one in the medical research in test, and is and very urgent.
Summary of the invention
The purpose of this invention is to provide a kind of make simple, volume is little, the artificial ventriculus sinister blood driving cavity of being convenient to get/implant, monitor easily, prevent to cause thrombosis, long service life.
The present invention is the closed shell that is special cambered surface appearance and constitutes accommodation space; Shell suitable position place forms the chassis; Extend the transmission mouth of pipe that places for transfer tube on the chassis; The place extends the inner membrance that is closed to inside in the chassis; Offer bigger ascending aorta artificial blood vessel breach of opening and the less femoral artery artificial blood vessel breach of opening respectively in shell upper/lower terminal suitable position place; Ascending aorta artificial blood vessel breach and femoral artery artificial blood vessel breach connect respectively establishes ascending aorta artificial blood vessel and the femoral artery artificial blood vessel who is connected with ascending aorta and femoral artery.
Wherein:
Shell is for to make with semi-hard material.
With the artificial valve of installing the occlude blood adverse current on the ascending aorta that the ascending aorta artificial blood vessel is connected additional.
Because the present invention is the closed shell that is special cambered surface appearance and constitutes accommodation space; Shell suitable position place forms the chassis; Extend the transmission mouth of pipe that places for transfer tube on the chassis; The place extends the inner membrance that is closed to inside in the chassis; Offer bigger ascending aorta artificial blood vessel breach of opening and the less femoral artery artificial blood vessel breach of opening respectively in shell upper/lower terminal suitable position place; Ascending aorta artificial blood vessel breach and femoral artery artificial blood vessel breach connect respectively establishes ascending aorta artificial blood vessel and the femoral artery artificial blood vessel who is connected with ascending aorta and femoral artery.During assembling, canning of the present invention in the other thoracic cavity, right side of human heart, is constituted the blood transport path through ascending aorta artificial blood vessel and femoral artery artificial blood vessel with main femoral artery of liter and femoral artery respectively; During action, being arranged in the outer pony pump of human body extracts through transfer tube gas or liquid out in inner membrance, make inside flat the contracting of inner membrance that originally is swelling state, so that blood pours in ascending aorta artificial blood vessel and femoral artery artificial blood vessel to enter in the shell accommodation space by ascending aorta and femoral artery position respectively; Be arranged in the outer pony pump of human body with gas or liquid in transfer tube charges into inner membrance, make and originally be the inwardly inner membrance outwards expansion once again of the flat state that contracts, force blood in the accommodation space be the radiation state to around push, the interior blood that is full of of accommodation space this moment is just infused new blood to ascending aorta and femoral artery by ascending aorta artificial blood vessel and femoral artery artificial blood vessel through ascending aorta artificial blood vessel breach and femoral artery artificial blood vessel breach; Inner membrance alternately shrinks, the action of expansible rule, constantly blood is sent to effectively each corner of health, makes blood fully obtain circulation, and uses the vital functions of keeping the patient; Inner membrance installing dead angle, no space in the accommodation space, and can provide and make the evenly expansion strength of compressing of blood, add that two ends ascending aorta artificial blood vessel breach and femoral artery artificial blood vessel breach make blood be easy to flow, make blood circulation present smooth and easy rule, be difficult for causing thrombosis, cause health and produce pathological changes, infection and sequela etc., and do not need to burrow or intubate at heart, make it be more prone to monitoring, take out or implant again, prolong its service life, the little space of saving more of volume avoiding causing the load of human body, and does not hinder former cardiac function.Not only make simple, volume is little, be convenient to get/implant, and monitor easily, prevent to cause thrombosis, long service life, thereby reach purpose of the present invention.
Description of drawings
Fig. 1, for structural representation axonometric chart of the present invention.
Fig. 2, for structural representation cutaway view of the present invention.
Fig. 3, for user mode sketch map of the present invention (blood is pushed out accommodation space).
Fig. 4, for user mode sketch map of the present invention (blood pours in accommodation space).
Fig. 5, assemble sketch map for the present invention.
Fig. 6, be known artificial left ventricle structural representation axonometric chart.
Fig. 7, be known artificial left ventricle structural representation cutaway view.
The specific embodiment
As Fig. 1, shown in Figure 3, the present invention has the shell made from semi-hard material 4, and shell 4 is for being special cambered surface appearance closure casing and forming accommodation space 40; Shell 4 suitable position places form chassis 41, and extend the transmission mouth of pipe 42 that places for transfer tube 5 on chassis 41; 41 places extend the inner membrance 43 that is closed to inside in the chassis; Offer bigger ascending aorta artificial blood vessel breach 44 of opening and the less femoral artery artificial blood vessel breach 45 of opening respectively in shell 4 upper/lower terminal suitable position places; Ascending aorta artificial blood vessel breach 44 and femoral artery artificial blood vessel breach 45 connect respectively establishes ascending aorta artificial blood vessel 440 and the femoral artery artificial blood vessel 450 who is connected with ascending aorta 60 and femoral artery 61.
During assembling,, shell 4 of the present invention is installed in the thoracic cavity, right side on human heart 6 sides, constitutes the blood transport paths through ascending aorta artificial blood vessel 440 and femoral artery artificial blood vessel 450 with main femoral artery 60 of liter and femoral artery 61 respectively as Fig. 3, shown in Figure 5.In case of necessity, on ascending aorta 60, install the artificial valve 8 of occlude blood adverse current in the operation process additional.During action, as Fig. 2, Fig. 4, shown in Figure 5, being arranged in the outer pony pump 7 of human body extracts through transfer tube 5 gas or liquid out in inner membrance 43, make inner membrance 43 inside flat the contracting that originally are swelling state, so that blood pours in ascending aorta artificial blood vessel 440 and femoral artery artificial blood vessel 450 to enter in shell 4 accommodation spaces 40 by ascending aorta 60 and femoral artery 61 positions respectively; As Fig. 2, Fig. 3, shown in Figure 5, be arranged in the outer pony pump 7 of human body with gas or liquid in transfer tube 5 charges into inner membrance 130, make and originally be the inwardly inner membrance 130 outwards expansion once again of the flat state that contracts, force blood in the accommodation space 40 be the radiation state to around push, this moment, the accommodation space 40 interior blood that are full of were just infused new blood to ascending aorta 60 and femoral artery 61 by ascending aorta artificial blood vessel 440 and femoral artery artificial blood vessel 450 through ascending aorta artificial blood vessel breach 44 and femoral artery artificial blood vessel breach 45.So, by alternately contraction of inner membrance 130, the action of expansible rule, constantly blood is sent to effectively each corner of health, make blood fully obtain circulation, and use the vital functions of keeping the patient, and unlikely generation anaerobic condition causes the thrombosis phenomenon, the unlikely life security that jeopardizes the patient.
Promptly when inner membrance 130 expansions made its peripheral blood do radial pushing, the blood in the accommodation space 40 can flow to swimmingly to do to carry in ascending aorta 60 and the femoral artery 61 and move via ascending aorta artificial blood vessel 440 who is arranged in ascending aorta artificial blood vessel breach 44 and femoral artery artificial blood vessel breach 45 and femoral artery artificial blood vessel 450.Because the inner membrance 130 installing dead angles, no space in the accommodation space 40, and can provide and make the evenly expansion strength of compressing of blood, add that two ends ascending aorta artificial blood vessel breach 44 and femoral artery artificial blood vessel breach 45 make blood be easy to flow, make blood circulation present smooth and easy rule, be difficult for causing thrombosis, cause health and produce pathological changes, infection and sequela etc., and do not need to burrow or intubate at heart, make it be more prone to monitoring, take out or implant again, prolong its service life, the little space of saving more of volume avoiding causing the load of human body, and does not hinder former cardiac function.
In sum, the present invention is similar to human body implantable artificial blood vessel, not only can break through the easy disappearances such as health pathological changes, infection and sequela generation that cause of known artificial left ventricle institute, save more space, volume little, do not hinder former cardiac function, reduce the generation probability of sequela, prolong its service life, accepted by medical personnel and patient easily, and can solve heart disease patient in latter stage because of waiting problem less than the generation of intimating.
Claims (3)
1, a kind of artificial ventriculus sinister blood driving cavity, it is the closed shell that is special cambered surface appearance and constitutes accommodation space; Shell suitable position place forms the chassis; It is characterized in that extending on the described chassis transmission mouth of pipe that places for transfer tube; The place extends the inner membrance that is closed to inside in the chassis; Offer bigger ascending aorta artificial blood vessel breach of opening and the less femoral artery artificial blood vessel breach of opening respectively in shell upper/lower terminal suitable position place; Ascending aorta artificial blood vessel breach and femoral artery artificial blood vessel breach connect respectively establishes ascending aorta artificial blood vessel and the femoral artery artificial blood vessel who is connected with ascending aorta and femoral artery.
2, according to claim 1/artificial ventriculus sinister blood driving cavity is characterized in that described shell is for to make with semi-hard material.
3, artificial ventriculus sinister blood driving cavity according to claim 1 is characterized in that installing additional on described and the ascending aorta that the ascending aorta artificial blood vessel is connected the artificial valve of occlude blood adverse current.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 01136203 CN1410135A (en) | 2001-10-09 | 2001-10-09 | Artificial ventriculus sinister blood driving cavity |
Applications Claiming Priority (1)
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CN 01136203 CN1410135A (en) | 2001-10-09 | 2001-10-09 | Artificial ventriculus sinister blood driving cavity |
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CN1410135A true CN1410135A (en) | 2003-04-16 |
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CN 01136203 Pending CN1410135A (en) | 2001-10-09 | 2001-10-09 | Artificial ventriculus sinister blood driving cavity |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101472629B (en) * | 2006-06-15 | 2011-08-03 | 卡马特公司 | One-piece heart prosthesis implantable in an anatomical position |
-
2001
- 2001-10-09 CN CN 01136203 patent/CN1410135A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101472629B (en) * | 2006-06-15 | 2011-08-03 | 卡马特公司 | One-piece heart prosthesis implantable in an anatomical position |
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