CN205494496U - Left side heart auxiliary device - Google Patents
Left side heart auxiliary device Download PDFInfo
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- CN205494496U CN205494496U CN201620104488.7U CN201620104488U CN205494496U CN 205494496 U CN205494496 U CN 205494496U CN 201620104488 U CN201620104488 U CN 201620104488U CN 205494496 U CN205494496 U CN 205494496U
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Abstract
The utility model discloses a left side heart auxiliary device, first pipeline and second pipeline, blade and drive arrangement including the intercommunication, first pipeline is including the inflow portion and the outflow portion of intercommunication, the first central plumb line of the inflow terminal surface of inflow portion with form 5 to 45 angle between the second center plumb line of the outflow end face of outflow portion, the second pipeline includes inflow entrance, egress opening and sets up the inflow entrance with overlap joint portion between the egress opening, inflow entrance releasable connection extremely the outflow end face, the flow area more than or equal to of overlap joint portion the flow area of egress opening, the blade rotates and is connected to the inside of outflow portion, outflow portion include with the diapire of outflow end facial features to setting up, the blade with drive arrangement sets up respectively the both sides of diapire, drive arrangement is used for driving the blade rotates. Left side heart auxiliary device puts into the heart chamber in can and can not destroy the heart structure.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly to a kind of left ventricular assist device.
Background technology
For the patient of left heart failure, in the case of Drug therapy is invalid, it usually needs arrange the left heart
Auxiliary device (Left ventricular assist device), its purpose includes: (one), wait donor, for the heart
Dirty transplanting prepares；(2), cardiac function is recovered.
Current left ventricular assist device mainly includes provisional left ventricular assist device and long-term left ventricular assist device.
Provisional left ventricular assist device includes part axial-flow pump and air bag pulsating device, and it is mainly characterized in that percutaneous puncture
Or cut, intravascular inserts.Long-term left ventricular assist device includes with air driven pump, centrifugal pump and part axial flow
Pump, it is mainly characterized in that out that breast is inserted, punches in left ventricle apex, is entered by left ventricle blood drainage long
Phase left ventricular assist device, the blood after pressurization pumps into aorta through artificial blood vessel.
The advantage of provisional left ventricular assist device is quickly to implant, and drives relatively easy, it is adaptable to burst
The situation of promptly rescuing of heart failure.The shortcoming of provisional left ventricular assist device is then: be not suitable for long
Time assists；Insert at cervical region or inguinal region, be only suitable to sickbed patients, during use, need calmness；Warp
The impact point easy infection that blood vessel is sent into.
Air driven pump in long-term left ventricular assist device, advantage is that consumptive material is easily changed, drive assembly design letter
Single, shortcoming is: driving means is huge, is not suitable for being placed in internal, and is exposed to the external pump housing and visual
Pump blood movable, patients ' psychological is had undesirable effect；Need pipeline to connect the chambers of the heart and aorta, increase energy
Consumption, and easily form thrombosis.Axial-flow pump in long-term left ventricular assist device, advantage be axial-flow pump can within
Putting, shortcoming is: left ventricular apex punches, and destroys the integrity of ventricle, recovers to produce negatively to ventricular function
Impact；Pipeline connects the pump housing and ascending aorta；Although the pump housing the most significantly reduces, but still it is positioned at heart
Between adventitia and pericardium, form steric hindrance, and increase the weight of foreign body friction because of non-physiologic curvilinear structures.
Utility model content
Technical problem to be solved in the utility model is to provide one can be built in cardiac chambers and will not destroy
The left ventricular assist device of cardiac structure.
To achieve these goals, this utility model embodiment adopts the following technical scheme that
A kind of left ventricular assist device is provided, including:
First pipeline, including inflow part and the outflow portion of connection, hang down in the center flowing into end face of described inflow part
Line is the first vertical line, and the center vertical line flowing out end face of described outflow portion is the second vertical line, described first vertical line
Intersect with described second vertical line and form the angle of 5 ° to 45 °；
Second pipe, is communicated to described first pipeline, described second pipe include inflow entrance, flow export and
It is arranged on the clinch between described inflow entrance and described flow export, described inflow entrance releasable connection to described stream
Going out end face, the circulation area of described clinch is more than or equal to the circulation area of described flow export；
Blade, is rotationally connected the inside to described outflow portion, in order to advance fluid in described first pipeline from
Described outflow end surface current goes out；And
Driving means, described driving means is positioned at the outside of described outflow portion, and described outflow portion includes with described
Flowing out the diapire that end face is oppositely arranged, described blade and described driving means are separately positioned on the two of described diapire
Side, described driving means rotates in order to drive described blade.
Wherein, the center vertical line of described inflow entrance is the 3rd vertical line, and the center vertical line of described flow export is the 4th
Vertical line, described 3rd vertical line and described 4th vertical line conllinear.
Wherein, in the vertical direction of described outflow end face, described outflow portion and the overall length of described second pipe
Degree is the first length, a length of second length of described inflow part, and described first length is long more than described second
Degree.
Wherein, described outflow portion includes the connecting end surface connecting described inflow part, hanging down at described outflow end face
Nogata upwards, a length of 3rd length of described connecting end surface, a length of 4th length of described outflow portion,
Described 4th length described 3rd length more than or equal to two times.
Wherein, the described blade a length of 5th length in the vertical direction of described outflow end face, described
Five length are less than described 4th length and described 3rd length more than or equal to twice.
Wherein, described blade includes the first end near described diapire, between described first end and described diapire
Distance be the 6th length, described 6th length be less than described 3rd length.
Wherein, the diameter length of described clinch is the first diameter, between described clinch and described flow export
Away from for the first distance, described first distance described first diameter more than or equal to 1/2nd.
Wherein, described inflow part is provided with bypass inflow entrance, between described bypass inflow entrance and described inflow end face
Every setting.
Wherein, described inflow part is provided with suture ring towards one end of described inflow end face.
Wherein, described left ventricular assist device also includes being arranged on the bracing frame in described outflow portion and rotating shaft, institute
State bracing frame and be fixed on the inwall of described outflow portion, and include the first support and the second support being oppositely arranged,
Described blade is arranged around described rotating shaft, and the axis of described rotating shaft is perpendicular to described outflow end face, described rotating shaft
It is rotatably connected between described first support and described second support.
Wherein, the material of described first pipeline and described second pipe is hard material.
Wherein, described driving means includes motor and controller, described motor in order to drive described blade to rotate,
Described controller electrically connects described motor, in order to regulate the output of described motor；
Described left ventricular assist device also includes that dividing wall, described dividing wall are fixed to described diapire and deviate from described stream
Going out the side of end face, and be collectively forming separate cavities with described diapire, described motor is positioned at described separate cavities
Portion.
Wherein, described left ventricular assist device also includes the first battery component and the second battery component；
Described first battery component electrically connects described motor, with thinking that described motor provides electric energy；
Described second battery component carries out wireless charging to described first battery component.
Wherein, described first battery component includes the first accumulator and first charging inlet of electrical connection, described
First storage battery connects described motor；
Described second battery component includes the second accumulator and second charging inlet of electrical connection, and described second fills
Wireless connections between electrical interface and described first charging inlet, make the electric energy transfer in described second accumulator extremely
Described first accumulator.
Wherein, described left ventricular assist device also includes sensing device and signal processing apparatus；
Described sensing device in order to detect the fluid parameter in described first pipeline and/or described second pipe, and
Form the first signal and be sent to described signal processing apparatus；
Described signal processing apparatus is in order to receive, store and to process described first signal, and forms the second letter
Number it is sent to described controller, makes described controller regulate the output of described motor.
Wherein, described signal processing apparatus includes chip and processor；
Described chip transmits initial data to described processor；
Described processor receives described initial data, forms feedback data, and transmits described feedback signal to institute
State chip；
Described processor includes display screen, and described display screen is in order to show described initial data and/or described feedback
Data.
Compared to prior art, this utility model has the advantages that
Described first pipeline of left ventricular assist device described in the utility model forms the runner of similar " J " type, by
Runner in " J " type does not destroy left ventricle physiological curve, therefore installs described Left ventricle assist dress in human body
When putting, can be by the first built in pipeline in left ventricle, and described inflow end face connects Bicuspid valve in heart
Ring is to realize the fixing of one end of left ventricular assist device.Simultaneously as described second pipe releasable connection is to institute
Stating the first pipeline, with the runner that described first pipeline is collectively forming similar " V " type, the runner of " V " type is also
Left ventricle physiological curve will not be destroyed, the inflow entrance of described second pipe therefore can be made to be placed in left ventricle
To connect described outflow end face, described flow export then inserts aorta through aortic valvular ring in heart, described
Clinch rides against on aortic valvular ring to realize the fixing of the other end of described left ventricular assist device.To sum up institute
Stating, left ventricular assist device described in the present embodiment can realize cardiac chambers and be built into, and its flow channel shape meets the left heart
Room physiological anatomic architecture, will not destroy cardiac structure.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical solution of the utility model, will make required in embodiment below
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing the most of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained such as these accompanying drawings.
Fig. 1 is the structural representation of a kind of left ventricular assist device that this utility model embodiment provides.
Fig. 2 is the structural representation of the first pipeline of a kind of left ventricular assist device that this utility model embodiment provides
Figure.
Fig. 3 is the top view of the first pipeline of a kind of left ventricular assist device that this utility model embodiment provides.
Fig. 4 is the structural representation of the second pipe of a kind of left ventricular assist device that this utility model embodiment provides
Figure.
Fig. 5 is the enlarged diagram of structure at A in Fig. 1.
Fig. 6 is the knot of the first pipe interior part of a kind of left ventricular assist device that this utility model embodiment provides
Structure schematic diagram.
Fig. 7 is the another of the first pipe interior part of a kind of left ventricular assist device that this utility model embodiment provides
One structural representation.
Fig. 8 is the enlarged diagram of structure at B in Fig. 1.
Fig. 9 is that the signal of a kind of left ventricular assist device that this utility model embodiment provides transmits schematic flow sheet.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into this utility model
The scope of protection.
Seeing also Fig. 1 to Fig. 5 and Fig. 8, this utility model embodiment provides a kind of left ventricular assist device,
The first pipeline 1 and second pipe 2, blade 3 and driving means 40 including connection.Described first pipeline 1
Including inflow part 11 and the outflow portion 12 of connection, the center vertical line flowing into end face 110 of described inflow part 11
Being the first vertical line 111, the center vertical line flowing out end face 120 of described outflow portion 12 is the second vertical line 121,
Described first vertical line 111 intersects and is formed angle A with described second vertical line 121, and the size of described angle A is in 5 °
In the range of 45 °.Described second pipe 2 includes inflow entrance 21, flow export 22 and is arranged on described
Clinch 23 between inflow entrance 21 and described flow export 22, described inflow entrance 21 releasable connection to described stream
Going out end face 120, the circulation area of described clinch 23 is more than or equal to the circulation area of described flow export 22.Institute
State blade 3 and be rotationally connected the inside to described outflow portion 12, in order to advance the fluid in described first pipeline 1
(in the present embodiment, referring mainly to blood) flows out from described outflow end face 120.Described driving means 40
In the outside of described outflow portion 12, described outflow portion 12 includes being oppositely arranged with described outflow end face 120
Diapire 14, described blade 3 and described driving means 40 are separately positioned on the both sides of described diapire 14, described
Driving means 40 rotates in order to drive described blade 3.
In the present embodiment, described first vertical line 111 of described first pipeline 1 of described left ventricular assist device
Intersect with described second vertical line 121 and form the angle A of 5 ° to 45 °, namely described first pipeline 1 is formed
The runner of similar " J " type, owing to the runner of " J " type does not destroy left ventricle physiological curve, therefore at human body
During the described left ventricular assist device of interior installation, the first pipeline 1 can be built in left ventricle, and described stream
Enter end face 110 and connect in heart annulus of mitral valve to realize the fixing of one end of left ventricular assist device.Meanwhile, by
Connect with described second pipe 2 in described first pipeline 1, and the inflow entrance 21 of described second pipe 2 is removable
It is connected to described outflow end face 120, namely described second pipe 2 releasable connection extremely described first pipeline 1, with
Described first pipeline 1 is collectively forming the runner of similar " V " type, and the runner of " V " type also will not destroy the left heart
Room physiological curve, therefore can make the inflow entrance 21 of described second pipe 2 be placed in left ventricle interior to connect institute
Stating outflow end face 120, described flow export 22 then inserts aorta through aortic valvular ring in heart, described in take
Meet portion 23 to ride against on aortic valvular ring to realize the fixing of the other end of described left ventricular assist device.Now,
Under the promotion of described blade 3, the pulmonary vein flowing into left atrium can be successfully by described inflow end face 110
Flow into, after flowing through described first pipeline 1 and described second pipe 2 successively, flow to from described flow export 22 main
Tremulous pulse.Therefore, left ventricular assist device described in the present embodiment can provide one to replace for the patient of left heart failure
The left ventricle in generation, and include replacement runner and driving force, in order to pulmonary vein to be flowed back into the blood of left atrium
Liquid force (forcing) pump enters aorta.In sum, left ventricular assist device described in the present embodiment can realize in cardiac chambers
Inserting, its flow channel shape meets left ventricle anatomical structure, will not destroy cardiac structure.
Further, " V " type flow channel shape of left ventricular assist device described in the present embodiment is similar to the healthy heart
Blood flow trace at dirty left ventricle, optimum, the flow trace in described left ventricular assist device is with strong
Blood flow trace at the left ventricle of health heart is consistent, and now, described blade 3 only needs the least promotion
Power i.e. can advance the flowing of blood, and described left ventricular assist device is efficient, energy-conservation.
In the present embodiment, the circulation area of the flow export 22 of described second pipe 2 is less than the circulation of aorta
Area so that described second pipe 2 do not interfere with coronary perfusion (namely blood can from described second pipe
The periphery reverse flow in road 2, fill openings coronary artery in aortic sinus), the most described clinch 23
Circulation area more than or equal to the circulation area of described flow export 22 so that described clinch 23 can be suitable
Profit rides against on aortic valvular ring to realize the fixing of second pipe 2.Further, described inflow entrance is set
The circulation area of 21, more than or equal to the circulation area of described clinch 23, makes the circulating face of described second pipe 2
The long-pending flow direction along fluids within pipes gently reduces or transition, to reduce fluid resistance.
It should be appreciated that in the present embodiment, phase between described first vertical line 111 with described second vertical line 121
Handing over and form angle A, described inflow part 11 and the described outflow portion 12 of the most described first pipeline 1 are substantially located
In same plane, compact, easily insert the stream of blood in left ventricle, and described first pipeline 1
Dynamic direction is in same level all the time, and flow path is brief so that the efficiency of described driving means 40 is high,
Energy consumption is little, namely reduces the energy consumption of described left ventricular assist device.Described " center vertical line " refers to be positioned at finger
Determining planar central and be perpendicular to the line of given plane, the most described first vertical line 111 refers to be positioned at described inflow
End face 110 center and be perpendicular to the line of described inflow end face 110, described second vertical line 121 refers to be positioned at institute
State and flow out end face 120 center and be perpendicular to the line of described outflow end face 120.
For example, seeing also Fig. 1 to Fig. 4, the described inflow part 11 of described first pipeline 1 includes
The a bit of cylindrical parts 113 of neighbouring described inflow end face 110 and the bulb portion being connected to outflow portion 12
114, outflow portion 12 is in round tube shape, namely the pipe shape of described first pipeline 1 is from described inflow end face
110 are presented below as change to flowing out end face 120: pipe flat tube pipe, and the circulation of described flat tube
Area is not required for invariable, in order to make resistance suffered by the fluid in described first pipeline 1 minimum, above-mentioned
The change of shape of pipeline is gentle transition.The cylindrical parts 113 of described inflow part 11 is for convenience of described stream
Enter end face 110 and be connected to annulus of mitral valve；The bulb portion 114 of described inflow part 11 is to reduce described
One pipeline 1 size on the direction being perpendicular to described outflow end face 120, namely reduce described first pipeline 1
Volume, think miscellaneous part (such as driving means 40) provide placement space, make the whole described left heart auxiliary
The components placement position helping device is reasonable, compact, reduces the volume of described left ventricular assist device.Described second
Pipeline 2 releasable connection is to described outflow portion 12, and described inflow entrance 21 is circular, and described clinch 23 is circle
Pipe portion, described flow export 22 is circular.Certainly, described first pipeline 1 and the pipeline of described second pipe 2
Shape can be designed according to the demand of concrete applied environment and convert, however it is not limited to above-described embodiment is retouched
The shape stated.
Meanwhile, see also Fig. 1 and Fig. 8, in the present embodiment, described blade 3 and described driving means
40 both sides being separately positioned on described diapire 14, namely described diapire 14 separates described driving means completely
40 with described blade 3, the described driving means 40 described blade of wireless driving 3 rotates.In the prior art,
Having had more embodiment, such as Electromagnetic Drive etc. about wireless driving, the present embodiment is with reference to attainable
Wireless type of drive is designed, and is not repeated herein.It should be noted that, in the present embodiment,
Spacing between described driving means 40 and described blade 3 should be the least, to reduce described driving dress
Put the energy consumption of 40.Preferably, described driving means 40 is all arranged against described diapire 14 with described blade 3.
In the present embodiment, described inflow entrance 21 releasable connection of described second pipe 2 is to described first pipeline
The outflow end face 120 of 1, described releasable connection refers to that the connector for connecting is detachable, conventional such as key
Connect, pin connects, threaded and clamp connection etc..For example, Fig. 1, Fig. 2, figure are seen also
4 and Fig. 5, the outer wall of described outflow portion 12 is provided with groove adjacent to the position of described outflow end face 120
123, the inwall of described second pipe 2 is provided with projection 24 adjacent to the position of described inflow entrance 21, described
Protruding 24 snap in described groove 123 forms connector, and at the outer sheathed dead ring of described connector, makes described
Second pipe 2 is fixed to described first pipeline 1.
Further, the described inflow part 11 of described first pipeline 1 is towards one end of described inflow end face 110
(cylindrical parts 113 of the most described inflow part 11) is provided with suture ring 5, the inner ring of described suture ring 5
Sewing up or be fastened in described inflow part 11, the outer ring of described suture ring 5 is in order to be seamed to two points of heart
Annulus, so that one end of described first pipeline 1 is fixed to heart.Described suture ring 5 uses has biology
The compatibility, the braided material of nonabsorable, such as, can be used for the terylene sewed up.For example, join the most in the lump
Readding Fig. 1 and Fig. 2, the outer wall of described inflow part 11 is provided with one near the position of described inflow end face 110
Depressed area 115, it is interior to realize and described inflow part 11 that described suture ring 5 is fastened on described depressed area 115
Fixing.
Further, in order to make the fluid in described left ventricular assist device flow along optimal flow track, arrange
Described first pipeline 1 is hard material, namely described first pipeline 1 with the material of described second pipe 2
Do not deform upon under the pressure of described fluid with described second pipe 2 or the most small deformation, so that
Fluid can be along predetermined runner track flowing, with the energy consumption of described left ventricular assist device.Preferably, institute
State the first pipeline 1 and can use lightweight titanium with described second pipe 2, its light weight and having the most just
Degree.
It is possible to further in described first pipeline 1 and the surface coating of described second pipe 2, institute
State coating and use anti-thrombotic substance, to reduce the formation of thrombosis.Preferably, described coating can use polytetrafluoro
Vinyl coating.
Further, see also Fig. 1, Fig. 2, Fig. 4 and Fig. 5, described second pipe 2 described
The center vertical line of inflow entrance 21 is the 3rd vertical line 210, and the center vertical line of described flow export 22 is the 4th vertical line
220, described 3rd vertical line 210 and described 4th vertical line 220 conllinear.For example, described second pipe 2
Including round platform pipeline, the upper end of described round platform is described flow export 22, round platform go to the bottom as described inflow entrance 21,
Described clinch 23 was in the upper end and a plane being parallel to the upper end between going to the bottom in round platform.In this reality
Executing in example, described flow export 22 represents the outflow plane of described second pipe 2, and described inflow entrance 21 represents
The inflow plane of described second pipe 2, the most described 3rd vertical line 210 is in described inflow entrance 21 center
And be perpendicular to the line of described inflow entrance 21, described 4th vertical line 220 be in described flow export 22 center and
It is perpendicular to the line of described flow export 22.
Further, see also Fig. 1, Fig. 2, Fig. 4 and Fig. 5, at described outflow end face 120
In vertical direction, described outflow portion 12 is the first length H1 with the total length of described second pipe 2, described
A length of second length H2 of inflow part 11, described first length H1 is more than or equal to described second length H2,
So ensureing that the runner of described left ventricular assist device is (common with described second pipe 2 by described first pipeline 1
Formed) one end can be connected to annulus of mitral valve, the other end can be fixed on aortic valvular ring.
Further, seeing also Fig. 1 and Fig. 2, described outflow portion 12 includes connecting described inflow part 11
Connecting end surface 15, in the vertical direction of described outflow end face 120, described connecting end surface 15 a length of
3rd length H3, a length of 4th length H4 of described outflow portion 12, described 4th length H4 is more than
In described 3rd length H3 of two times so that the fluid in described first pipeline 1 is in described outflow portion 12
It is fully pressurized.It should be appreciated that " connecting end surface 15 " can be regarded as described in this utility model embodiment
The plane at the inflow entrance place of described outflow portion 12.In this utility model describes, will be located in described inflow part
11 are defined as described with face in the multiple planes being connected region of described outflow portion 12, that circulation area is minimum
Connecting end surface 15.
Further, seeing also Fig. 1 and Fig. 2, described blade 3 is vertical described outflow end face 120
A length of 5th length H5 on direction, described 5th length H5 is less than described 4th length H4 and is more than
Described 3rd length H3 in twice so that described blade 3 has sufficiently long propelling region.Preferably,
Described 4th length H4 described 5th length H5 more than or equal to 2/3rds, namely described outflow portion 14
Length only needs slightly larger than or is equal to the length of described blade 2.
Further, seeing also Fig. 1, Fig. 2 and Fig. 8, described blade 3 includes near described diapire
First end 33 of 14, the distance between described first end 33 and described diapire 14 is the 6th length H6, institute
State the 6th length H6 less than or equal to described 3rd length H3.Namely described first end 33 is apart from described diapire
The distance of 14 is the least such that it is able to reduce the energy consumption of described driving means 40, optimal, described driving means
40 are all arranged against described diapire 14 with described blade 3.Now, the blood in described first pipeline 1 is from institute
State inflow part 11 and be directly entered the propelling region (blade 3 rotary area is it and advances region) of described blade 3,
Decreasing the flow process of described fluid, reduce described fluid resistance, described driving means 40 energy consumption reduces, institute
The efficiency stating left ventricular assist device raises.
Further, referring to Fig. 4, the diameter length of the described clinch 23 of described second pipe 2 is
One diameter D, described clinch 23 is the first distance S with the spacing of described flow export 22, described first distance
The S described first diameter D more than or equal to 1/2nd.When described second pipe 2 installs the cardiac chambers to patient
Time interior, the aortic valve of patient can successfully ride on described second pipe 2, and will not block described stream
Outlet 22.It should be appreciated that when described clinch 23 is circular cross section, described first diameter D is i.e.
Length for the diameter of described circular cross section；When described clinch 23 is non-circular cross sections, described
One diameter D is the length of the hydraulic diameter of described non-circular cross sections.
Further, seeing also Fig. 1 to Fig. 3, described inflow part 11 is provided with bypass inflow entrance 1321,
Described bypass inflow entrance 1321 and described inflow end face 110 interval are arranged, namely described bypass inflow entrance 1321
Separate with described inflow end face 110.When described left ventricular assist device is placed in described left ventricle, institute
State the blood in left ventricle and under the effect of negative pressure, described inflow can be flowed into by described bypass inflow entrance 1321
Portion 11, thus in avoiding left ventricle, sludging causes left ventricle to expand.It should be appreciated that described bypass stream
Entrance 1321 can be provided with multiple, and its position can be adjusted according to the heart condition of patient.Such as,
Described bypass inflow entrance 1321 can be arranged on the one of the close described inflow end face 110 of described inflow part 11
End.
Further, seeing also Fig. 1, Fig. 2 and Fig. 6, described left ventricular assist device also includes arranging
Bracing frame 31 in described outflow portion 12 and rotating shaft 32, support frame as described above 31 is fixed on described outflow portion
The inwall of 12, support frame as described above 31 includes the first support 311 and the second support 312 being oppositely arranged, described
Blade 3 is arranged around described rotating shaft 32, and the axis 320 of described rotating shaft 32 is perpendicular to described outflow end face 120
(preferably, described axis 320 and described second center vertical line 121 conllinear), described rotating shaft 32 is fastened on
Between described first support 311 and described second support 312.
In the present embodiment, the axis 320 of described rotating shaft 32 is perpendicular to described outflow end face 120, Ye Jisuo
The propulsive force direction stating blade 3 is perpendicular to described outflow end face 120, and the fluid in described first pipeline 1 is very
I.e. can successfully eject from described outflow end face 120 under the propulsive force of little blade 3 so that a described left side
Heart auxiliary device energy consumption is little, more energy efficient.Of course, it is possible to the shape of described blade 3 is carried out appropriate design,
Make it have bigger propulsive force, reduce the blood flow impact to described outflow portion 12 sidewall, to reduce damage simultaneously
Consumption.
In the present embodiment, seeing also Fig. 1, Fig. 6 and Fig. 7, described first support 311 includes first
Ring portion 3111 and the first spoke 3112, described first spoke 3112 is arranged on the interior of described first ring portion 3111
The position of any bar diameter of circle, the middle part of described first spoke 3112 is provided with the first groove 3113；Institute
Stating the second support 312 and include the second ring portion 3121 and the second spoke 3122, described second spoke 3122 is arranged
In the position of any bar diameter of the inner circle of described second ring portion 3121, in described second spoke 3122
Portion is provided with the second groove 3123.It is convex that the two ends of described rotating shaft 32 are respectively formed with first protruding 321 and second
Playing 322, described first projection 321 and described second projection 322 are stuck in described first groove 3113 He
In described second groove 3123.Therefore, described rotating shaft 32 is fastened on described first support 311 and described
Between two supports 312, it is to avoid described rotating shaft 32 and described blade 3 swing back and forth and upper and lower displacement.Described
Bracing frame 31 also includes that locating support 313, described locating support 313 connect described first support 311 and institute
State the second support 312, in order to fixing spacing between described first support 311 and described second support 312.
Further, the maximum spacing (such as two between described first groove 3113 and described second groove 3123
Between individual bottom portion of groove) more than the total length of described rotating shaft 32, described first groove 3113 is with described second
Minimum spacing (such as between the edge of two grooves) between groove 3123 is total less than described rotating shaft 32
Length, so that described rotating shaft 32 has small relative movement space so that described rotating shaft 32 and described
Blade 3 is rotating or is having certain self-regulation space, the most described rotating shaft 32 and institute in running
State blade 3 to be adjusted according to the mobility status of fluid in described first pipeline 1, there is buffering and optimize energy
Power.
In the present embodiment, described blade 3 and described rotating shaft 32 all use hard material, preferably lightweight titanium
Belong to material.Described rotating shaft 32 hollow design, to alleviate quality, reduces energy consumption.
Further, see also Fig. 1 and Fig. 8, the described driving means 40 of described left ventricular assist device
Including motor 4 and controller 6, described motor 4 rotates in order to drive described blade 3；Described controller 6 electricity
Connect described motor 4, in order to regulate the output of described motor 4.In the present embodiment, described motor 4
With the both sides that described blade 3 is separately positioned on described diapire 14, namely described diapire 14 separates institute completely
Stating motor 4 and described blade 3, the described motor 4 described blade of wireless driving 3 rotates.In the prior art,
Having had more embodiment, such as Electromagnetic Drive etc. about wireless driving, the present embodiment is with reference to attainable
Wireless type of drive is designed, and is not repeated herein.It should be noted that, in the present embodiment,
Spacing between described motor 4 and described blade 3 should be the least, to reduce the energy of described motor 4
Consumption.Preferably, described motor 4 is all arranged against described diapire 14 with described blade 3.
Further, seeing also Fig. 1, Fig. 2 and Fig. 8, described left ventricular assist device also includes isolation
Wall 9, described dividing wall 9 is fixed to described diapire 14 and deviates from the side of described outflow end face 120, and with institute
Stating diapire 14 and be collectively forming separate cavities 90, described motor 4 is placed in described separate cavities 90.Preferably, institute
State controller 6 to be also placed in described separate cavities 90.Described separate cavities 90 is the chamber sealed, when a described left side
When heart auxiliary device is installed to human body, described dividing wall 9 is built in left ventricle equally, described dividing wall 9
Described motor 4 and described controller 6 are isolated with the blood in heart, improve described Left ventricle assist dress
The biocompatibility put, ensured simultaneously described motor 4 and described controller 6 have good use environment,
Improve its service life.It should be noted that, in this utility model, described first pipeline 1 with described every
The design of the transition type such as circular arc or slope is all used when design, it is to avoid use right angle or occur lofty from wall 9
Lobe, with prevent formed thrombosis.
Further, seeing also Fig. 1 and Fig. 8, described left ventricular assist device also includes the first battery component
71 and second battery component 72.Described first battery component 71 electrically connects described motor 4, with thinking described electricity
Machine 4 provides electric energy.Described second battery component 72 carries out wireless charging to described first battery component 71.
In the present embodiment, described first battery component 71 includes the first accumulator 711 and first of electrical connection
Charging inlet 712, described first accumulator 711 electrically connects described motor 4.Described second battery component 72
The second accumulator 721 and the second charging inlet 722 including electrical connection.Described first charging inlet 712 and institute
State wireless connections between the second charging inlet 722, make the electric energy transfer in described second accumulator 721 to institute
State the first accumulator 711.
When described left ventricular assist device is installed to human body, described first battery component 71 is placed in internal, described
Second battery component 72 is placed in external.Described first battery component 71 is by being wired to motor 4, described
First battery component 71 is placed in outside heart, be embedded in subcutaneous can (abdominal part be preferred).Described second set of cells
Part 72 is arranged on a belt, and after user wears belt, described second battery component 72 is just to described
First battery component 71.Described second battery component 72 carries out wireless charging to described second battery component 72,
Described wireless charging is with reference to attainable wireless charging mode.
Further, seeing also Fig. 1, Fig. 8 and Fig. 9, described left ventricular assist device also includes sensing
Device 100 and signal processing apparatus 200.Described sensing device 100 in order to detect described first pipeline 1 and/
Or the fluid parameter in described second pipe 2, and form the first signal S1 and be sent to described signal processing apparatus
200.Described signal processing apparatus 200 is in order to receive, store and to process described first signal S1, and is formed
Secondary signal S2 is sent to described controller 6, makes described controller 6 regulate the output of described motor 4.
Yes be to be understood that, fluid parameter described in the present embodiment include but not limited to pressure, viscosity, flow velocity, temperature,
Density etc..Described sensing device 100 can be provided with multiple sensor multiple to detect according to demand simultaneously
Different parameters, or install many in multiple positions of described first pipeline 1 with described second pipe 2 simultaneously
Individual sensor is to detect the same parameter of multiple diverse locations.Further, described sensing device 100 is also
Described blade 3 and/or the running parameter of described motor 4, such as rotating speed, power etc. can be detected simultaneously, with
Time transmit related data to described signal processing apparatus 200, to obtain more preferably secondary signal S2, from
And improve the work efficiency of described motor 4, reduce the energy consumption of described left ventricular assist device.Certainly, described biography
Induction device 100 can also detect other parameters according to real needs.
Further, see also Fig. 1, Fig. 8 and Fig. 9, at the described signal of described left ventricular assist device
Reason device 200 includes chip 81 and processor 82.Described chip 81 transmits initial data S3 to described process
Device 82.Described processor 82 receive described initial data S3, formed feedback data S4, and transmit described instead
Feedback data S4 are to described chip 81.Described processor 82 includes that display screen 821, described display screen 821 are used
To show described initial data S3 and/or described feedback data S4.
In the present embodiment, described chip 81 and described processor 82 are respectively provided with signal handling capacity, and institute
State processor 82 and have more the ability revising described chip 81 internal datas/program, so that described signal processing
Device 200 changes (tranquillization or kinestate, vascular resistance change etc.) according to the condition of user and enters
Row Reasonable adjustment, makes described left ventricular assist device meet the physiological status that patient is real-time, the most also can extend electricity
Pond cruising time, extend service life etc. of described left ventricular assist device.Meanwhile, aobvious described in the present embodiment
Display screen 821 can give expression to physical condition and the work of described left ventricular assist device of user especially intuitively
State, contributes to diagnosis and treatment user.
When described left ventricular assist device is installed to human body, described controller 6 and described chip 81 are placed in internal.
Described chip 81 is connected to described controller 6 by data wire, and described first chip 81 is placed in outside heart, buries
Be located at subcutaneous can (abdominal part be preferred).Described processor 82 can be integrally disposed in and be provided with the second set of cells
On the belt of part 72, after user wears belt, described processor 82 is just to described chip 81.Described place
Reason device 82 transmits data with described chip 81 double-direction radio.
Meanwhile, described display screen 821 can be arranged on the outer surface of described belt, and user can directly be seen
See the display image of described display screen 821.
Being described in detail this utility model embodiment above, specific case used herein is to this reality
Being set forth by novel principle and embodiment, the explanation of above example is only intended to help to understand this
The method of utility model and core concept thereof；Simultaneously for one of ordinary skill in the art, according to this reality
By novel thought, the most all will change, in sum, this
Description should not be construed as restriction of the present utility model.
Claims (16)
1. a left ventricular assist device, it is characterised in that including:
First pipeline, inflow part and outflow portion including connection, the center vertical line flowing into end face of described inflow part is the first vertical line, and the center vertical line flowing out end face of described outflow portion is the second vertical line, and described first vertical line intersects with described second vertical line and forms the angle of 5 ° to 45 °；
Second pipe, it is communicated to described first pipeline, described second pipe includes inflow entrance, flow export and is arranged on the clinch between described inflow entrance and described flow export, described inflow entrance releasable connection is to described outflow end face, and the circulation area of described clinch is more than or equal to the circulation area of described flow export；
Blade, is rotationally connected the inside to described outflow portion, in order to advance the fluid in described first pipeline to go out from described outflow end surface current；And
Driving means, described driving means is positioned at the outside of described outflow portion, described outflow portion includes that the diapire being oppositely arranged with described outflow end face, described blade and described driving means are separately positioned on the both sides of described diapire, and described driving means rotates in order to drive described blade.
2. left ventricular assist device as claimed in claim 1, it is characterised in that the center vertical line of described inflow entrance is the 3rd vertical line, and the center vertical line of described flow export is the 4th vertical line, described 3rd vertical line and described 4th vertical line conllinear.
3. left ventricular assist device as claimed in claim 1, it is characterized in that, in the vertical direction of described outflow end face, described outflow portion is the first length with the total length of described second pipe, a length of second length of described inflow part, described first length is more than described second length.
4. left ventricular assist device as claimed in claim 3, it is characterized in that, described outflow portion includes the connecting end surface connecting described inflow part, in the vertical direction of described outflow end face, a length of 3rd length of described connecting end surface, a length of 4th length of described outflow portion, described 4th length described 3rd length more than or equal to two times.
5. left ventricular assist device as claimed in claim 4, it is characterised in that the described blade a length of 5th length in the vertical direction of described outflow end face, described 5th length is less than described 4th length and described 3rd length more than or equal to twice.
6. left ventricular assist device as claimed in claim 4, it is characterised in that described blade includes the first end near described diapire, and the distance between described first end and described diapire is the 6th length, and described 6th length is less than described 3rd length.
7. left ventricular assist device as claimed in claim 1, it is characterised in that the diameter length of described clinch is the first diameter, and described clinch is the first distance with the spacing of described flow export, described first distance described first diameter more than or equal to 1/2nd.
8. left ventricular assist device as claimed in claim 1, it is characterised in that described inflow part is provided with bypass inflow entrance, described bypass inflow entrance is arranged with described inflow end surfaces.
9. left ventricular assist device as claimed in claim 1, it is characterised in that described inflow part is provided with suture ring towards one end of described inflow end face.
10. left ventricular assist device as claimed in claim 1, it is characterized in that, described left ventricular assist device also includes being arranged on the bracing frame in described outflow portion and rotating shaft, support frame as described above is fixed on the inwall of described outflow portion, and including the first support being oppositely arranged and the second support, described blade is arranged around described rotating shaft, and the axis of described rotating shaft is perpendicular to described outflow end face, and described axis of rotation is connected between described first support and described second support.
11. left ventricular assist devices as claimed in claim 1, it is characterised in that the material of described first pipeline and described second pipe is hard material.
12. left ventricular assist devices as claimed in claim 1, it is characterised in that described driving means includes motor and controller, described motor is in order to drive described blade to rotate, and described controller electrically connects described motor, in order to regulate the output of described motor；
Described left ventricular assist device also includes that dividing wall, described dividing wall are fixed to described diapire and deviate from the side of described outflow end face, and is collectively forming separate cavities with described diapire, and described motor is positioned at the inside of described separate cavities.
13. left ventricular assist devices as claimed in claim 12, it is characterised in that described left ventricular assist device also includes the first battery component and the second battery component；
Described first battery component electrically connects described motor, with thinking that described motor provides electric energy；
Described second battery component carries out wireless charging to described first battery component.
14. left ventricular assist devices as claimed in claim 13, it is characterised in that described first battery component includes that the first accumulator and first charging inlet of electrical connection, described first storage battery connect described motor；
Described second battery component includes the second accumulator and the second charging inlet, the wireless connections between described second charging inlet and described first charging inlet of electrical connection, makes the electric energy transfer in described second accumulator to described first accumulator.
15. left ventricular assist devices as claimed in claim 12, it is characterised in that described left ventricular assist device also includes sensing device and signal processing apparatus；
Described sensing device is in order to detect the fluid parameter in described first pipeline and/or described second pipe, and forms the first signal and be sent to described signal processing apparatus；
Described signal processing apparatus is in order to receive, store and to process described first signal, and forms secondary signal and be sent to described controller, makes described controller regulate the output of described motor.
16. left ventricular assist devices as claimed in claim 15, it is characterised in that described signal processing apparatus includes chip and processor；
Described chip transmits initial data to described processor；
Described processor receives described initial data, forms feedback data, and transmits described feedback signal to described chip；
Described processor includes display screen, and described display screen is in order to show described initial data and/or described feedback data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620104488.7U CN205494496U (en) | 2016-02-02 | 2016-02-02 | Left side heart auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620104488.7U CN205494496U (en) | 2016-02-02 | 2016-02-02 | Left side heart auxiliary device |
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| CN205494496U true CN205494496U (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597172A (en) * | 2016-02-02 | 2016-05-25 | 丁以群 | Left heart assisting device |
| WO2017133425A1 (en) * | 2016-02-02 | 2017-08-10 | 丁以群 | Right ventricular assist device |
-
2016
- 2016-02-02 CN CN201620104488.7U patent/CN205494496U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597172A (en) * | 2016-02-02 | 2016-05-25 | 丁以群 | Left heart assisting device |
| WO2017133426A1 (en) * | 2016-02-02 | 2017-08-10 | 丁以群 | Left ventricular assist device |
| WO2017133425A1 (en) * | 2016-02-02 | 2017-08-10 | 丁以群 | Right ventricular assist device |
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Effective date of registration: 20180409 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets KELONG Technology Park Road No. 3 Xunmei Technology Plaza Building 1, 6 floor, room 6218 Patentee after: Shenzhen Shang Jie medical technology Co., Ltd. Address before: 528000 Guangdong Province, Foshan City Nanhai Huangqi Vanke cloud Zhuxuan 9 unit 302 room Patentee before: Ding Yiqun |
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Effective date of registration: 20220215 Address after: 518000 b602, platform building of Key Laboratory of Virtual University Park, No. 1, Yuexing Second Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Huachang Medical Innovation Co.,Ltd. Address before: 518000 room 6218, 6 / F, building 1, Xunmei science and Technology Plaza, No. 3, Kehua Road, science and Technology Park, Yuehai street, Nanshan District, Shenzhen, Guangdong Province Patentee before: Shenzhen Shang Jie medical technology Co.,Ltd. |