The external assisting device of cardiac counterpulsation of pressure measurement oneTechnical field
The invention belongs to cardiac mechanical auxiliary device, relate in particular to one and be easy to observe circulation change, in Patients with Cardiac Failure prolonged application, there is the external assisting device of cardiac counterpulsation of the pressure measurement one of good organization's compatibility.
Background technology
Cardiac mechanical auxiliary device is by maintaining Efficient Cycle, reduces myocardial oxygen consumption, suppresses remodeling ventricle, increases coronary perfusion, promotes cardiac muscle to recover, to reach the object of saving patient's life.At present, after severe acute heart failure, operation on heart, can not depart from cardiopulmonary bypass unit and waiting for heart transplantation and heart disease at final stage people more and more, be badly in need of heart assistance short-term transition or maintain long period wait heart donor or assist for a long time.Therefore, require auxiliary device not only will have good durability, and will have higher biocompatibility.At present, axial flow blood pump and centrifugal blood pump can provide very effective circulatory support, but the excessive rear hemorrhage and not enough thrombosis of anticoagulant of anticoagulant, the fatal severe complications such as the auxiliary rear right heart failure of the left heart may appear in patient.IABC (IABP) is because implanting simple, safety, cheap, improves cardiac function by reducing afterload, becomes clinical the most frequently used circulatory aid.But in its application process, clinical discovery has following shortcoming: the hemodynamics 1. providing is supported limited, plays a role compared with the cardiac function of strong dependent patient self; 2. can not prolonged application (generally in 2 weeks) because restriction patient is movable; 3. may there is the complication such as IABP implantable intravascular far-end ischemia and thrombosis.Applicant discloses a kind of external assisting device of cardiac counterpulsation with number of patent application 201020275403.4, it is characterized in that: it forms by being positioned over the external interior main body chamber with hollow, main body chamber is made up of the first inner chamber and the second inner chamber, between first and second inner chamber, be provided with barrier film, the first inner chamber is provided with without lobe opening, communicate with large artery trunks by the artificial blood vessel who has rigidity, the second inner chamber is provided with air inlet/outlet, is connected with gas actuating device by pipeline; The chamber inner wall of the first inner chamber and membrane surface are equipped with the heparin layer of combination.It can select optimal counter-pulsation pump capacity according to patient body-surface area, at paradoxical expansion, large artery trunks blood is sucked in this device, obviously reduces large artery trunks systolic pressure, alleviates cardiac afterload, reduces myocardial oxygen consumption; At diastole, this device inner blood is squeezed in trunk, obviously improve large artery trunks diastolic pressure, increase the perfusion of arteria coronaria and its hetero-organization, reach the object of effective assist circulation.It is to utilize that aorta side is counter fights that above-mentioned patented technology is applied clinically, and the arterial pressure that cannot realize one detects.Be femoral artery or monitoring of radial arterial pressure for a long time always, bring a lot of inconvenience to patient and treatment.
Summary of the invention
The present invention is in order to overcome deficiency of the prior art, a kind of external assisting device of cardiac counterpulsation of the pressure measurement one of applying electrocardio or pressure activated gas-powered is provided, the external assisting device of cardiac counterpulsation of application pressure measurement one, can real-time and long-term synchronous monitoring blood pressure, just with observation and the management of therapeutic effect.Make up the other anti-deficiency of fighting of primitive aorta.
The present invention for achieving the above object, be achieved through the following technical solutions, a kind of external assisting device of cardiac counterpulsation of pressure measurement one, form by being positioned over the external interior main body chamber with hollow, main body chamber is made up of the first inner chamber and the second inner chamber, between first and second inner chamber, is provided with barrier film, the first inner chamber is provided with without lobe opening, coincide by the artificial blood vessel and the large artery trunks that have rigidity, the second inner chamber is provided with air inlet/outlet, is connected with gas actuating device by pipeline; It is characterized in that: the pressure measurement tubule that has monitoring pressure to change without the implantation of lobe opening anastomosis of described artificial blood vessel and the first inner chamber, the implantation depth of described pressure measurement tubule front end is less than 2cm, and pressure measurement tubule is quick condition.
The front end edge artificial blood vessel upper wall of described pressure measurement tubule moves to artificial blood vessel and aortic anastomosis, and the pressure measurement tubule other end is connected with pressure tester.
The diameter 1-2mm of described pressure measurement tubule, its length 50-70cm.
Described pressure measurement tubule adopts polyethylene and adjudicate two cases together vinyl material to make.
Beneficial effect: can synchronous monitoring pressure change, can real-time and long-term synchronous monitoring blood pressure, just with observation and the management of therapeutic effect.Select the anti-pump capacity of fighting according to patient body-surface area, at paradoxical expansion, large artery trunks blood is sucked in this device, obviously reduce large artery trunks systolic pressure, alleviate cardiac afterload, reduce myocardial oxygen consumption; At diastole, this device inner blood is squeezed in trunk, obviously improve large artery trunks mean pressure and diastolic pressure, increase the perfusion of arteria coronaria and its hetero-organization, reach the object of effective assist circulation.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
In figure: 1, main body chamber, 2, the first inner chamber, 3, the first inner chamber, 4, barrier film, 5, without lobe opening, 6, artificial blood vessel, 7, air inlet/outlet, 8, pressure measurement tubule, 9, gas actuating device, 10, large artery trunks, 11, artificial blood vessel and aortic anastomosis, 12, pressure tester.
Detailed description of the invention
Below in conjunction with preferred embodiment, to according to detailed description of the invention provided by the invention, details are as follows:
Embodiment
Refer to accompanying drawing, a kind of external assisting device of cardiac counterpulsation of pressure measurement one, form by being positioned over the external interior main body chamber 1 with hollow, main body chamber is made up of the first inner chamber 2 and the second inner chamber 3, first, between two inner chambers, be provided with barrier film 4, the first inner chamber is provided with without lobe opening 5, sew up with large artery trunks by the artificial blood vessel 6 who has rigidity, the second inner chamber is provided with air inlet/outlet 7, be connected with gas actuating device 9 by pipeline, the pressure measurement tubule 8 that has monitoring pressure to change without the pre-buried implantation in lobe opening anastomosis of described artificial blood vessel and the first inner chamber, the implantation depth of described pressure measurement tubule is less than the 2cm degree of depth, pressure measurement tubule is quick condition.In art, after aorta anastomosis, pressure measurement tubule is pushed into artificial blood vessel and large artery trunks 10 anastomosis 11 gently along artificial blood vessel's upper wall.The diameter 1-2mm of described pressure measurement tubule, its length 50-70cm.Described pressure measurement tubule adopts medical polyethylene and adjudicate two cases together vinyl material to make.
Operation principle: external assisting device of cardiac counterpulsation is in aggregates by there being the artificial blood vessel of rigidity to be sutured on human body large artery trunks otch, and the anti-heart-assist device of fighting is positioned over outside human body.At paradoxical expansion, aorta inner blood is sucked, reduce aortic systolic pressure, reduce cardiac afterload, reduce heart acting, lower myocardial oxygen consumption; Diastole is squeezed into the blood in this device in aorta, to improve AoMP and diastolic pressure, increases the perfusion of arteria coronaria and surrounding tissue, improves cardiac function.The pressure measurement tubule that has monitoring pressure to change without the pre-buried implantation in lobe opening anastomosis of artificial blood vessel and the first inner chamber, in art after aorta anastomosis, pressure measurement tubule is pushed to artificial blood vessel and aortic anastomosis gently along artificial blood vessel's upper wall, after coincideing successfully, pressure measurement tubule one end is at anastomotic stoma place, and the other end is connected with pressure tester 12, can change by Real-Time Monitoring large artery trunks pressure by pressure measurement tubule in artificial blood vessel, instruct the anti-auxiliary treatment of fighting, grasp the anti-auxiliaring effect of fighting.
After the external assisting device of cardiac counterpulsation of zoopery application pressure measurement one, monitoring pressure in real time changes, and grasps auxiliaring effect.And simple to operate, exempt other tremulous pulse pressure measurement pipelines.
Above-mentioned detailed description of the external assisting device of cardiac counterpulsation of this kind of pressure measurement one being carried out with reference to embodiment; illustrative instead of determinate; can list several embodiment according to institute's limited range; therefore in the variation and the amendment that do not depart under general plotting of the present invention, within should belonging to protection scope of the present invention.