CN209405359U - A kind of interim implantable cardiac pump blood device - Google Patents
A kind of interim implantable cardiac pump blood device Download PDFInfo
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- CN209405359U CN209405359U CN201821671121.9U CN201821671121U CN209405359U CN 209405359 U CN209405359 U CN 209405359U CN 201821671121 U CN201821671121 U CN 201821671121U CN 209405359 U CN209405359 U CN 209405359U
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Abstract
The utility model discloses a kind of interim implantable cardiacs to pump blood device, and the pump blood device includes one-way pump；The one-way pump inner cavity is channel of blood flow, and the one-way pump exocoel is gas cell；The channel of blood flow is equipped with blood inlet and blood outlet, is equipped with unidirectional valve in the channel of blood flow；The gas cell is connected to air bag charge and discharge airway；The channel of blood flow is connected to blood flow catheter, and the blood flow catheter is equipped with blood flow catheter and stores up haemocoele；The pump blood device further includes the pressure apparatus being detachably connected with blood flow catheter far from one end of channel of blood flow.When the utility model is mainly used in rescue cardiac arrest patient, cardiac ejection is substituted, can blood is pumped into and be pumped out from heart or main artery, substitute cardiac ejection function, body blood is maintained to supply.
Description
Technical field
The utility model belongs to medical material field, and in particular to a kind of interim implantable cardiac pump blood device, it is expected to face
It plays an important role in the serious haemodynamics impaired patients such as bed rescue cardiac arrest, bradycardia, ventricular fibrillation.
Background technique
Cardiac arrest, cardiac ejection stop, and body vascular flow is static, the important organs such as brain, lung, kidney hypoxic-ischemic,
Dysfunction need to carry out CPR immediately, to restore blood supply, save life.External chest compression is most basic in CPR
It rescues gimmick and the pressure in thoracic cavity is changed by the pressing to thoracic cavity, promote the outflow and reflux of intracardiac blood, ensure important
The blood supply of internal organs, but its effect is limited, only maintains part brain blood supply in a short time.Open chest directly squeeze heart can
To improve cardiac compression amplitude, increase vascular flow, but wound is big, effect is limited, and clinic is not advocated.The rescue of cardiac arrest
Lack a kind of effective emergency treatment technique all the time.
Utility model content
The utility model overcomes the shortcomings of the prior art, and provides a kind of interim implantable cardiac pump blood device.
In order to achieve the above object, technical solution provided by the utility model are as follows:
The interim implantable cardiac pump blood device includes one-way pump (1)；One-way pump (1) inner cavity is channel of blood flow (5),
One-way pump (1) exocoel is gas cell (6)；The channel of blood flow (5) is equipped with blood inlet (7) and blood outlet (8), the blood flow
Unidirectional valve (9) are equipped in channel (5)；The gas cell (6) is connected to air bag charge and discharge airway (3)；The channel of blood flow (5) with
Blood flow catheter (2) connection；The pump blood device further includes being detachably connected with blood flow catheter (2) far from the one end of channel of blood flow (5)
Pressure apparatus (4).
Preferably, the air bag charge and discharge airway (3) top is equipped with charge valve (12).
Preferably, the blood flow catheter (2) is equipped with blood flow catheter storage haemocoele (10).
Preferably, the blood flow catheter (2), which is equipped with, removes air cavity (11), described to store up blood except air cavity (11) are set to blood flow catheter
The top position of chamber (10) or lower position.
Preferably, after gas cell (6) inflation, one-way pump (1) is cylindricality, oval spherical or spherical shape.
The utility model is described in further detail below:
When interim implantable cardiac pump blood device described in the utility model is mainly used in cardiac arrest, cardiac ejection function is substituted
Can, blood is pumped into and is pumped out from heart or main artery, body blood supply is maintained.
The cardiac pumping device is mainly made of one-way pump, blood flow catheter, air bag charge and discharge airway, pressure apparatus.Face
When bed applies the pump blood device, using vascular puncture technology, guided by seal wire, will be in one-way pump implantation heart or big intravascular,
One-way pump air bag is inflated by air bag charge and discharge airway and is fixed.External control pressure apparatus, adjusts pressure, passes through blood flow catheter
Blood flow can be sucked to one-way pump, and blood flow can be pumped out to one-way pump, simulate cardiac ejection, promote vessel inner blood flowing.
The exocoel of one-way pump is gas cell, can be to gas cell inflation/deflation by air bag charge and discharge airway.When inflation, make list
To pump very well and heart wall or vascular wall it is adherent, prevent blood flow from one-way pump lateral wall leakage.When inflation (Fig. 2 b), so that unidirectionally
Pump can be cylindrical, oval spherical or spheroidal.When deflation (Fig. 2 a), gas cell, which is folded or shunk, to become smaller, and is conducive to one-way pump 1
Percutaneous puncture implantation.
One-way pump is channel of blood flow in it, and channel of blood flow both ends open is below gas cell collar extension, forms the stream of horn
Enter, flow pass, to reduce resistance of blood flow, that is, the blood inlet and blood outlet flare of channel of blood flow are conducive to reduce blood flow resistance
Power.There is unidirectional valve in channel of blood flow, it is unidirectional to open and close, guarantee blood flow one-way flow.Unidirectional valve can be mechanical valve prosthesis, be also possible to
High molecular synthetic material valve or biovalve.
Storage haemocoele can be equipped in blood flow catheter, size is essentially identical to cardiac ejection amount, is conducive to accommodate from one-way pump
The blood of sucking.Conduit and storage haemocoele can be transparent, convenient for the sucking of observation blood and pump out.Conduit material can choose polyurethane
Equal high molecular materials, or to the processing such as material modification, anticoagulant coatings.It can be equipped in blood flow catheter and remove air cavity, convenient for removing
Gas, the bubble generated during blood is pumped, gas embolism is prevented.
Pressure apparatus can choose the macromolecular materials such as Corvic (Poly Vinyl Chloride, PVC)
Pressure ball is made, by manually controlling pressure, sucks and pump out blood.Suction unit can also be used, round-trip suction pushes,
Suck and pump out blood.It can also be using the pressure apparatus of electronic (computer program) manipulation.
Multiple Type can be used in interim implantable cardiac pump blood device described in the utility model:
Adult is with interim implantable cardiac pump blood device vascular type (implantation aorta ascendens), size are as follows: 1. one-way pump: growing
50mm imports and exports diameter 30mm.2. blood flow catheter: length 300mm, diameter 14G (2mm) store up haemocoele away from blood pump 200mm, degasification
Chamber is away from storage haemocoele 50mm.3. storing up haemocoele: volume 90ml removes air cavity: volume 30ml.4. pressure apparatus: volume 120ml.
Children pump blood device vascular type (implantation aorta ascendens), size with interim implantable cardiac are as follows: 1. one-way pump: long
20mm imports and exports diameter 15mm.2. blood flow catheter: length 200mm, diameter 19G (1mm) store up haemocoele away from blood pump 100mm, degasification
Chamber is away from storage haemocoele 25mm.3. storing up haemocoele: volume 45ml removes air cavity: volume 15ml.4. pressure apparatus: volume 60ml.
Adult is with interim implantable cardiac pump blood device heart-type (implantation heart), size are as follows: 1. one-way pump (spherical shape): directly
Diameter 30mm imports and exports diameter 20mm.2. blood flow catheter: length 300mm, diameter 14G (2mm) store up haemocoele away from blood pump 200mm, remove
Air cavity is away from storage haemocoele 50mm.3. storing up haemocoele: volume 90ml removes air cavity: volume 30ml.4. pressure apparatus: volume 120ml.
Trained resident or the attending physician for grasping percutaneous deep vessels tube indwelling technology, can be using percutaneous
Puncture technique, faster in heart or big Vascular implantation cardiac pumping device.By controlling pump blood device in vitro, blood is sucked and pumped out
Liquid can substitute cardiac ejection function, and blood is maintained to circulate in the blood vessels, this has rescue cardiac arrest patient important
Clinical meaning.
When operation, using couple puncture technique, cardiac pumping device is implanted into heart or big blood vessel, passes through external air bag
Gas cell is inflated and is fixed by charge and discharge airway.Pressure apparatus decompression can suck blood from heart or big blood vessel proximal end unidirectional
Pump flows into storage haemocoele.Conduit can be stored up haemocoele blood and be pressed into one-way pump, gone out from unidirectional pump outlet flow by pressure apparatus pressurization, to
It flows big blood vessel distal end.Regularity increase and the device pressure that reduces pressure repeatedly, can make heart or big vascular flow pass through list
To pump, rhythmicity, pulsation are circulated in the blood vessels, and body blood is maintained to supply.
In short, interim implantable cardiac pump blood device described in the utility model can use couple puncture technique, pass through
Pump blood device is sent into heart or big blood vessel by seal wire guidance, and external control pump blood device makes the blood suction pump blood device of heart, then push away
Blood device is pumped out, simulates the Ejection function of heart, is realized big blood vessel pulsation flowing, is maintained blood pressure, restore internal organs blood supply.It removes
Cardiac arrest rescue is outer, and all bradycardias, malignant arrhythmia, heart contraction are powerless etc. causes the heart cannot effectively to penetrate blood
When, it can be temporarily implanted into cardiac pumping device, restore effective blood flow.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the outside drawing of the utility model；A is unaerated state, and b is inflated condition
Fig. 3 is the outside drawing of the utility model one-way pump；C is cylindricality one-way pump, and d is spheroidal one-way pump.
In figure: 1. one-way pumps, 2. blood flow catheters, 3. air bag charge and discharge airways, 4. pressure apparatus, 5. channel of blood flow, 6. fill
Air bag, 7. blood inlets, 8. blood outlets, 9. unidirectional valves, 10. storage haemocoeles, 11. remove air cavity, 12. charge valves.
Specific embodiment
Embodiment 1
Adult interim implantable cardiac pump blood device (vascular type)
Main structure is made of one-way pump 1, blood flow catheter 2, air bag charge and discharge airway 3, pressure apparatus 4 (Fig. 1).The list
To pump, periphery is cylindrical aeration capsule 6 (Fig. 3 c), and length 50mm can fill gas cell 6 by air bag charge and discharge airway 3
It deflates.The one-way pump, interior is channel of blood flow 5, channel of blood flow outlet, inlet diameter 30mm, flare, conducive to blood is reduced
Flow resistance power (Fig. 3 c).The one-way pump has unidirectional valve 9 in channel of blood flow, unidirectional to open and close, and guarantees blood flow one-way flow.Unidirectionally
Valve uses mechanical valve prosthesis, with blood flow automatic open-close, good leak tightness.The blood flow catheter, overall length 300mm, conduit diameter 14G
(2mm) is equipped with storage haemocoele 10, and volume 90ml, size, can be between static cardiac ejection amount and dynamic heart ejection amount
The blood sucked from one-way pump is accommodated, haemocoele and blood pump distance 200mm are stored up.Blood flow catheter is additionally provided with except air cavity 11, capacity 30ml,
Distance storage haemocoele 50mm prevents gas embolism convenient for gas, the bubble generated during clean-up pump blood.Conduit, storage haemocoele 10,
Except high molecular materials such as the material selections transparent polyurethanes such as air cavity 11, convenient for the sucking of observation blood and pump out.The pressure ball holds
Product 120ml, selects high molecular materials such as Corvic (Poly Vinyl Chloride, PVC) to be made, elasticity is good, passes through
Pressure is manually controlled, blood is sucked and pump out.
Working principle
When the clinical application device, the airtightness of first check device, by evacuating air in gas cell, make gas cell fold or
Contraction becomes smaller.It using vascular puncture technology, is guided by seal wire, one-way pump is implanted into aorta ascendens.Seal wire is exited, gas is passed through
One-way pump air bag is inflated and is fixed by capsule charge and discharge airway.External control pressure ball, adjusts pressure, is inhaled blood flow by blood flow catheter
Enter one-way pump, storage haemocoele, then blood flow is pumped out into one-way pump, the rhythm and pace of moving things at the uniform velocity controls pressure ball, simulates cardiac ejection, promotes intravascular
Blood flow.
Embodiment 2
Adult interim implantable cardiac pump blood device (heart-type)
Main structure is made of one-way pump 1, blood flow catheter 2, air bag charge and discharge airway 3, pressure apparatus 4 (Fig. 1).The list
To pump, periphery is spheroidal gas cell 6 (Fig. 3 d), and diameter 30mm can fill gas cell 6 by air bag charge and discharge airway 3
It deflates.The one-way pump, interior is channel of blood flow 5, channel of blood flow outlet, inlet diameter 20mm, flare, conducive to blood is reduced
Flow resistance power (Fig. 3 d).The one-way pump has unidirectional valve 9 in channel of blood flow, unidirectional to open and close, and guarantees blood flow one-way flow.Unidirectionally
Valve uses high molecular synthetic material valve, with blood flow automatic open-close, good leak tightness.The blood flow catheter, overall length 300mm, conduit
Diameter 14G (2mm) is equipped with storage haemocoele 10, and volume 60ml can accommodate the blood sucked from one-way pump, stores up haemocoele and blood pump
Distance 150mm.Blood flow catheter is additionally provided with except air cavity 11, capacity 30ml, distance storage haemocoele 50mm, convenient for producing during clean-up pump blood
Raw gas, bubble, prevent gas embolism.The pressure ball, volume 90ml suck and pump out blood by manually controlling pressure
Liquid.
Working principle
When the clinical application device, evacuating air in gas cell reduces gas cell by the airtightness of first check device.
It using vascular puncture technology, is guided by seal wire, one-way pump is implanted into left ventricle.Seal wire is exited, air bag charge and discharge airway is passed through
One-way pump air bag is inflated, is gently pulled, one-way pump is made to be fixed on left ventricle aorta inlet.External control pressure device, is adjusted
Pressure is saved, blood flow is sucked by one-way pump, storage haemocoele by blood flow catheter, then blood flow is pumped out into one-way pump, the rhythm and pace of moving things at the uniform velocity controls pressure
Power ball simulates cardiac ejection, promotes vessel inner blood flowing.Operating process can be completed under B ultrasound guidance.
Embodiment 3
Interim implantable cardiac pump blood device (heart-type) of children
Main structure is made of one-way pump 1, blood flow catheter 2, air bag charge and discharge airway 3, pressure apparatus 4 (Fig. 1).The list
To pump, periphery is spheroidal gas cell 6 (Fig. 3 d), and diameter 20mm can fill gas cell 6 by air bag charge and discharge airway 3
It deflates.The one-way pump, interior is channel of blood flow 5, channel of blood flow outlet, inlet diameter 15mm, flare, conducive to blood is reduced
Flow resistance power (Fig. 3 d).The one-way pump has unidirectional valve 9 in channel of blood flow, unidirectional to open and close, and guarantees blood flow one-way flow.Unidirectionally
Valve uses high molecular synthetic material valve, with blood flow automatic open-close, good leak tightness.The blood flow catheter, overall length 200mm, conduit
Diameter 19G (1mm) is equipped with storage haemocoele 10, and volume 45ml can accommodate the blood sucked from one-way pump, stores up haemocoele and blood pump
Distance 100mm.Blood flow catheter is additionally provided with except air cavity 11, capacity 15ml, distance storage haemocoele 25mm, convenient for producing during clean-up pump blood
Raw gas, bubble, prevent gas embolism.The pressure apparatus is drawing-in type, volume 60ml, by aspirating, pushing back control pressure
Power sucks and pumps out blood.
Working principle
When the clinical application device, evacuating air in gas cell reduces gas cell by the airtightness of first check device.
It using vascular puncture technology, is guided by seal wire, one-way pump is implanted into left ventricle.Seal wire is exited, air bag charge and discharge airway is passed through
One-way pump air bag is inflated, is gently pulled, one-way pump is made to be fixed on left ventricle aorta inlet.External control pressure device, is adjusted
Pressure is saved, blood flow is sucked by one-way pump, storage haemocoele by blood flow catheter, then blood flow is pumped out into one-way pump, the rhythm and pace of moving things at the uniform velocity controls pressure
Power device simulates cardiac ejection, promotes vessel inner blood flowing.
Claims (5)
1. a kind of interim implantable cardiac pumps blood device, which is characterized in that the pump blood device includes one-way pump (1)；The one-way pump
(1) inner cavity is channel of blood flow (5), and one-way pump (1) exocoel is gas cell (6)；The channel of blood flow (5) is equipped with blood inlet
(7) and blood outlet (8) unidirectional valve (9), are equipped in the channel of blood flow (5)；The gas cell (6) and air bag charge and discharge airway
(3) it is connected to；The channel of blood flow (5) is connected to blood flow catheter (2), and the blood flow catheter (2) is equipped with blood flow catheter and stores up haemocoele
(10)；The pump blood device further includes the pressure apparatus being detachably connected with blood flow catheter (2) far from the one end of channel of blood flow (5)
(4)。
2. pump blood device as described in claim 1, which is characterized in that the air bag charge and discharge airway (3) top is equipped with charge valve
(12)。
3. pump blood device as claimed in claim 2, which is characterized in that the blood flow catheter (2), which is equipped with, removes air cavity (11).
4. pump blood device as claimed in claim 3, which is characterized in that described except air cavity (11) are set to blood flow catheter storage haemocoele (10)
Top position or lower position.
5. pump blood device as described in claim 1, which is characterized in that after the gas cell (6) inflation, one-way pump (1) be cylindricality,
It is oval spherical or spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671121.9U CN209405359U (en) | 2018-10-16 | 2018-10-16 | A kind of interim implantable cardiac pump blood device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671121.9U CN209405359U (en) | 2018-10-16 | 2018-10-16 | A kind of interim implantable cardiac pump blood device |
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| CN209405359U true CN209405359U (en) | 2019-09-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289096A (en) * | 2018-10-16 | 2019-02-01 | 张义雄 | A kind of interim implantable cardiac pump blood device |
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2018
- 2018-10-16 CN CN201821671121.9U patent/CN209405359U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289096A (en) * | 2018-10-16 | 2019-02-01 | 张义雄 | A kind of interim implantable cardiac pump blood device |
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