CN2629720Y - Pneumatic heart-lung machine - Google Patents
Pneumatic heart-lung machine Download PDFInfo
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- CN2629720Y CN2629720Y CN 03206333 CN03206333U CN2629720Y CN 2629720 Y CN2629720 Y CN 2629720Y CN 03206333 CN03206333 CN 03206333 CN 03206333 U CN03206333 U CN 03206333U CN 2629720 Y CN2629720 Y CN 2629720Y
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- heart
- lung machine
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Abstract
The utility model discloses a pneumatic heart-lung machine, which relates to a medical instrument, particularly an extracorporeal circulation device working instead of heart during heart operation. The pneumatic heart-lung machine integrates the functions of components of a pneumatic blood pump, an oxygenator, a blood temperature controller, a microemboli filter and a reflux tank to make up a whole element with a tight structure, with the positive benefit of eliminating pressing destruction and quickened injury of blood, reducing pre-saved blood and consumption, improving the quality, and at the same time the utilization rate of blood.
Description
Technical field this utility model relates to a kind of medical apparatus and instruments, especially relates to a kind of extracorporeal circulation apparatus that replaces human heart work when carrying out the human heart outer operation.
Background technology is present, and when the human heart surgical operation, replacing the extracorporeal circulation apparatus of human heart work is heart-lung machine.It is by following parts: return tank, blood pump, blood temperature controller, membrane oxygenator, Micro-Bolt Filter connect the system that the back constitutes with flexible pipe.Wherein, blood pump is the important composition parts of heart-lung machine, is the heart component of heart-lung machine.Its blood pump is divided into roller pump and centrifugal pump by power initiation, is characterized in: roller pump provides power by the method for eddy current and centrifugal force acceleration for blood flow for blood flow provides power, centrifugal pump by the method for extruding blood flow pipeline, and they all produce the pollex blood flow.The system that parts such as the blood temperature controller that connects through flexible pipe when the pollex blood flow, membrane oxygenator constitute is venous blood flow after heart-lung machine enters the human body metabolism, and flows into return tank by deadweight, and continuing provides power to produce the pollex blood flow through blood pump, constantly circulates.
Extracorporeal circulation apparatus is a heart-lung machine, because parts are many, pipeline is many, when carrying out extracorporeal circulation with it, benefits such as its many advantages, characteristics are arranged, but weak point is arranged also, its weak point is: 1. when producing the pollex blood flow, hemocyte in the blood has been constituted squeeze and destroy or acceleration damage to a certain degree; 2. because of pipeline is long, the primed blood liquid measure is big, blood consumption is increased; 3. its installation is cumbersome, and the contact surface of blood and foreign body is big, and the waveform of pollex blood flow is depleted big, and surplus blood is more in the machine.
Summary of the invention task of the present utility model is to overcome deficiency of the prior art, and a kind of pneumatic type heart-lung machine is provided.The pneumatic type heart-lung machine that provides, be with a kind of Pneumatic blood pump replace roller pump or centrifugal pump and with following parts: the function of blood temperature controller, membrane oxygenator, Micro-Bolt Filter, return tank concentrates design in a body, its compact conformation, the effect identical, also become an extracorporeal circulation apparatus.
The pneumatic type heart-lung machine all disposes the work of gas hytor.The gas hytor is universal, has pressure, frequency, time-controlling arrangement and hand gear.
The technical solution of the utility model is as follows:
The body of described a kind of pneumatic type heart-lung machine is a cylindricality, sets gradually back cavity, blood pump chamber, temperature control chamber, oxygenate chamber, filter chamber that useful dividing plate separates in the body of cylindricality from top to bottom.The gas pneumostome that body is provided with the venous drainage mouth that communicates with back cavity, left heart attraction mouth, right heart attraction mouth and communicates with the blood pump chamber, simultaneously also be provided with water inlet, outlet that communicates with the temperature control chamber and oxygen feeder and the oxygen exhaust that communicates with the oxygenate chamber, also oriented human body is transported to the blood stream outlet of pollex blood flow.Between back cavity and blood pump chamber, be that the dividing plate middle part is provided with blood flow inlet and check valve, and be provided with the filter screen of filtration in back cavity one side of this dividing plate, dividing plate middle part between blood pump chamber and temperature control chamber is provided with blood stream outlet and check valve, between blood flow inlet and blood stream outlet, be provided with the elastic force film of tubulose or taper, and constitute inner membrance chamber and air chamber.When the gas in the air chamber was exhaled the mode pollex for inhaling, its pollex masterpiece was used on the elastic force film surface, inner membrance chamber latus rectum is increased or dwindles, and makes the also corresponding generation pollex of blood flow in the inner membrance chamber simultaneously, and make one-way flow in the check valve restriction.Between temperature control chamber and oxygenate chamber, promptly dividing plate is provided with through hole, is provided with the tube core of boundling at the temperature control intracavity, the gateway of this tube core respectively with the intake-outlet configuration in temperature control chamber.Between temperature control chamber and oxygenate chamber, also dividing plate can be set.Be provided with the only ventilative polymeric hollow fiber oxygenation membrane core that can not allow liquid infiltration at the oxygenate intracavity, the air inlet/outlet of this film core respectively with the oxygen feeder and the oxygen exhaust phase configuration in oxygenate chamber.Dividing plate between oxygenate chamber and the filter chamber is provided with a macropore or a plurality of aperture, and its punching scope is crossed the inner cavity size of filter element less than being arranged on little bolt in the filter chamber.When the filter element inner cavity size is big, between oxygenate chamber and filter chamber, also dividing plate can be set.It is that the second blood pump chamber is to improve and to guarantee the pollex quality of blood flow that a blood pump chamber can also be set below body uncle's filter chamber together again.Between the filter chamber and the second blood pump chamber, promptly dividing plate is provided with blood flow inlet and check valve, is provided with tubulose or taper elastic force film and constitutes inner membrance chamber and air chamber between the blood flow inlet of this haemocoele and blood stream outlet.
Outside body, between blood stream outlet and venous drainage inlet, can be provided with unidirectional short circuit pipeline.
The beneficial effects of the utility model are as follows: 1. adopt Pneumatic blood pump with the respiratory gas mode latus rectum of elastic force film and inner membrance chamber to be increased or dwindle, reached the result who produces the pollex blood flow, just can replace roller pump or centrifugal pump fully, just got rid of squeeze and destroy or acceleration damage, improved blood quality blood; 2. the body of pneumatic type heart-lung machine is concentrated blood pump, thermostat, oxygenator, filter, each functions of components of return tank and is one, and its compact conformation has reduced preliminary filling blood use amount, has reduced blood consumption, has improved the utilization rate of blood; 3. owing to its simple installation of integrative-structure, reduce the contact surface of blood and foreign body, reduced the waveform depletion of pollex blood flow, reduced surplus blood in the machine.
Description of drawings Fig. 1 is first of a kind of pneumatic type heart-lung machine of this utility model
The schematic structure cutaway view of embodiment.
Fig. 2 is second of a kind of pneumatic type heart-lung machine of this utility model
The schematic structure cutaway view of embodiment.
The specific embodiment is further described this utility model below in conjunction with accompanying drawing: in the drawings, the pneumatic type heart-lung machine is mainly by body 1, back cavity 2, blood pump chamber 3, temperature control chamber 4, oxygenate chamber 5, filter chamber 6, the second blood pump chamber 7, little bolt is crossed filter element 8, oxygenation membrane core 9, boundling tube core 10, outlet 11, blood stream outlet 12, check valve 13, elastic force film 14, inner membrance chamber 15, blood flow inlet 16, check valve 17, venous drainage inlet 18, the left side heart attracts inlet 19, the right heart attracts inlet 20, filter screen 21, air chamber 22, pneumostome 23, water inlet 24, oxygen feeder 25, gas hytor 26, oxygen exhaust 27.
In first reality of pneumatic type heart-lung machine shown in Figure 1 is fallen, body 1 is a post shapes, and its body 1 is provided with venous drainage inlet 18, the left heart attracts inlet 19, the right heart to attract inlet 20, gas pneumostome 23, water inlet 24, outlet 11, oxygen feeder 25, oxygen exhaust 27 and blood stream outlet 12; Simultaneously in body 1, be provided with back cavity 2, blood pump chamber 3, temperature control chamber 4, oxygenate chamber 5, filter chamber 6, and be provided with the dividing plate of band blood flow inlet 16 and check valve 17, the dividing plate of band blood stream outlet 12 and check valve 13, the dividing plate that is provided with the band mesh between the wet chamber 4 of control and oxygenate chamber 5 are provided with the dividing plate of being with macropore between peroxo chamber 5 and filter chamber 6, filter screen 21 is set on the dividing plate of back cavity 2, between the blood flow in the blood pump chamber 3 and second blood pump chamber inlet 16 and blood stream outlet 12, elastic force film 14 is set, and formation inner membrance chamber 15 and air chamber 22; The water inlet 24 and outlet 11 configurations in boundling tube core 10, beanstalk import and export and temperature control chamber 4 are set in temperature control chamber 4; Oxygenation membrane core 9 is set in oxygenate chamber 5, and its air inlet/outlet disposes with oxygen feeder 25, oxygen exhaust 27 respectively; Little bolt is set in filter chamber 6 crosses filter element 8.
During clinical use, in whole extracorporeal circulation apparatus, be full of blood in advance, act on the elastic force film 14 and make blood pollex in the inner membrance chamber 15 when the pollex gas of gas hytor 26 enters air chamber 22 through pneumostome 23, its pollex power has been closed check valve 17 and has been opened check valve 13 simultaneously and enter temperature control chamber 4, its pollex blood flow during through boundling tube core 10 surfaces with pipe in the cooling water heat-shift reach temperature required, with after the mesh on the dividing plate enter in the oxygenate chamber 15, enter hollow-fibre membrane by oxygen feeder 25 this moment is that the oxygen of the cured in-core of oxygenate just permeates in the blood flow of pollex, after the oxygen content of blood increases, cross filter element 8 through little bolt that dividing plate enters in the filter chamber 6, and the various small embolus in the pollex blood flow is trapped in little bolt crosses in the filter element 8, avoid entering in the body, pollex blood flow after the filtration is through blood stream outlet 12, conveyance conduit enters body metabolism, get back in the back cavity 2 of body 1 by venous drainage inlet 18 subsequently, this filter screen 21 can be detained and stop thrombosis, foreign bodies such as fragment of tissue pass through, guarantee the blood flow quality, after venous blood flow menses inflow entrance 16 enters inner membrance chamber 15, become the pollex blood flow again, finish or carry out extracorporeal circulation.
In first reality of pneumatic type heart-lung machine shown in Figure 2 is fallen, body 1 is a post shapes, and its body 1 is provided with venous drainage inlet 18, the left heart attracts inlet 19, the right heart to attract inlet 20, gas pneumostome 23, water inlet 24, outlet 11, oxygen feeder 25, oxygen exhaust 27 and blood stream outlet 12; Simultaneously in body 1, be provided with back cavity 2, blood pump chamber 3, temperature control chamber 4, oxygenate chamber 5, filter chamber 6, the second blood pump chamber and be provided with the dividing plate of band blood flow inlet 16 and check valve 17, the dividing plate of band blood stream outlet 12 and check valve 13, the dividing plate that is provided with the band mesh between wet chamber 4 of control and oxygenate chamber 5 is provided with the dividing plate of band macropore between peroxo chamber 5 and filter chamber 6, filter screen 21 is set on the dividing plate of back cavity 2, between the blood flow in the blood pump chamber 3 and second blood pump chamber inlet 16 and blood stream outlet 12, elastic force film 14 is set, and formation inner membrance chamber 15 and air chamber 22; The water inlet 24 and outlet 11 configurations in boundling tube core 10, beanstalk import and export and temperature control chamber 4 are set in temperature control chamber 4; Oxygenation membrane core 9 is set in oxygenate chamber 5, and its air inlet/outlet disposes with oxygen feeder 25, oxygen exhaust 27 respectively; Little bolt is set in filter chamber 6 crosses filter element 8.
During clinical use, in whole extracorporeal circulation apparatus, be full of blood in advance, act on the elastic force film 14 and make blood pollex in the inner membrance chamber 15 when the pollex gas of gas hytor 26 enters air chamber 22 through pneumostome 23, its pollex power has been closed check valve 17 and has been opened check valve 13 simultaneously and enter temperature control chamber 4, its pollex blood flow during through boundling tube core 10 surfaces with pipe in the cooling water heat-shift reach temperature required, with after the mesh on the dividing plate enter in the oxygenate chamber 15, enter hollow-fibre membrane by oxygen feeder 25 this moment is that the oxygen of the cured in-core of oxygenate just permeates in the blood flow of pollex, after the oxygen content of blood increases, cross filter element 8 through little bolt that dividing plate enters in the filter chamber 6, and the various small embolus in the pollex blood flow is trapped in little bolt crosses in the filter element 8, avoid entering in the body, pollex blood flow after the filtration is through the blood flow inlet 3 in the second blood pump chamber 16, enter in the inner membrance chamber 6, this moment, the gas of pollex passed through frequency and the dynamics that elastic force film 5 is adjusted the pollex blood flows, the pollex power of blood flow is closed check valve 8 and is opened check valve 9 simultaneously and make it through blood stream outlet 12, conveyance conduit enters body metabolism, get back in the back cavity 2 of body 1 by venous drainage inlet 18 subsequently, this filter screen 21 can be detained and stop thrombosis, foreign bodies such as fragment of tissue pass through, guarantee the blood flow quality, after venous blood flow menses inflow entrance 16 enters inner membrance chamber 15, become the pollex blood flow again, finish or carry out extracorporeal circulation.
Claims (3)
1, a kind of pneumatic type heart-lung machine comprises cylindricality body (1), it is characterized in that, in the body of described cylindricality (1), is sequentially set with oxygenate chamber, temperature control chamber, back cavity (2) blood pump chamber (3) (4) (5) filter chamber (6) from top to down; Described back cavity is pressed in the meter (2) and is provided with filter screen (21); Be provided with elastic force film (14) between the blood stream outlet (16) in described blood pump chamber (3) and blood flow inlet (16) and the blood stream outlet (12), and constituted inner membrance chamber (15) and air chamber (22); Described blood flow inlet (16) and blood stream outlet (12) locate to be provided with check valve (17) and check valve (13); Be provided with boundling tube core (10) in the described temperature control chamber (4), be provided with oxygenation membrane core (9) in oxygenate chamber (5), be provided with little bolt in the filter chamber (6) and cross filter element (8).
2, a kind of pneumatic type heart-lung machine according to claim 1 is characterized in that, the below of the filter chamber (6) in body (1) is provided with the second blood pump chamber (7).
3, a kind of pneumatic type heart-lung machine according to claim 1 and 2 is characterized in that, it comprises a gas hytor (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03206333 CN2629720Y (en) | 2003-07-24 | 2003-07-24 | Pneumatic heart-lung machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03206333 CN2629720Y (en) | 2003-07-24 | 2003-07-24 | Pneumatic heart-lung machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2629720Y true CN2629720Y (en) | 2004-08-04 |
Family
ID=34288008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03206333 Expired - Fee Related CN2629720Y (en) | 2003-07-24 | 2003-07-24 | Pneumatic heart-lung machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2629720Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743802A (en) * | 2012-07-25 | 2012-10-24 | 胡玉 | Medical diaphragm type pneumatic blood pump |
-
2003
- 2003-07-24 CN CN 03206333 patent/CN2629720Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743802A (en) * | 2012-07-25 | 2012-10-24 | 胡玉 | Medical diaphragm type pneumatic blood pump |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |