CN205598311U - Right side heart auxiliary device - Google Patents
Right side heart auxiliary device Download PDFInfo
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- CN205598311U CN205598311U CN201620107981.4U CN201620107981U CN205598311U CN 205598311 U CN205598311 U CN 205598311U CN 201620107981 U CN201620107981 U CN 201620107981U CN 205598311 U CN205598311 U CN 205598311U
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Abstract
The utility model discloses a right side heart auxiliary device, include: first pipeline, including inflow portion and the outflow portion that communicates each other, the central plumb line of the inflow terminal surface of inflow portion is first plumb line, the central plumb line of the outflow end face of outflow portion is the second plumb line, first plumb line with crossing 45 to 100 the angle that just forms of second plumb line, the blade, the rotation is connected to the inside of outflow portion is used for impeing fluid in the first pipeline is followed the play of outflow end surface current, and drive arrangement, drive arrangement is located the outside of outflow portion, outflow portion include with the diapire of outflow end facial features to setting up, the blade with drive arrangement is located respectively the both sides of diapire, drive arrangement is used for driving the blade rotates. It places the heart chamber in can in and can not destroy the heart structure to provide right side heart auxiliary device.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly to a kind of right ventricular assist device.
Background technology
Patient for right heart function exhaustion, in the case of Drug therapy is invalid, typically requiring and arrange right ventricular assist device (Right ventricular assist device), its purpose includes: (one), wait donor, prepares for heart transplantation；(2), cardiac function is recovered.
Current right ventricular assist device is less, mainly includes air driven pump and centrifugal pump, and it is mainly characterized in that out that breast is inserted, and punches in right ventricular free wall avascular area, and right ventricle blood drainage is entered right ventricular assist device, and the blood after pressurization pumps into pulmonary artery through artificial blood vessel.
Wherein, the advantage of air driven pump is that consumptive material is easily changed, and drive assembly design is simple, and forms pulsation blood flow；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 is movable, has undesirable effect patients ' psychological；Need pipeline to connect the chambers of the heart and aorta, increase energy consumption, and easily form thrombosis.
And the advantage of centrifugal pump is installed in being that Blood damage is little, being applicable to thoracic cavity, shortcoming is: free wall of right ventricular is punched, and destroys the integrity of ventricle, recovers to have a negative impact to ventricular function；Pipeline connects the pump housing and pulmonary artery, and power consumption is big, heating is big, easily causes thrombosis；Although the pump housing the most significantly reduces, but still between heart 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 a kind of right ventricular assist device being built in cardiac chambers and will not destroying cardiac structure.
To achieve these goals, this utility model embodiment adopts the following technical scheme that
A kind of right ventricular assist device is provided, including:
First pipeline, including the inflow part communicated with each other and outflow portion, 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 the angle of at 45 ° to 100 ° of shape；
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 lay respectively at the both sides of described diapire, and described driving means rotates in order to drive described blade.
Wherein, described outflow portion includes the connecting end surface connecting described inflow part, in the vertical direction of described outflow end face, and a length of first length of described connecting end surface, a length of second length of described outflow portion, described second length described first length more than or equal to two times.
Wherein, the described blade a length of 3rd length in the vertical direction of described outflow end face, described 3rd length is more than or equal to described first length of two times and less than described second length.
Wherein, described blade includes the first end near described diapire, and the distance between described first end and described diapire is the 4th length, and described 4th length is less than or equal to described first length.
Wherein, in the vertical direction of described outflow end face, a length of 5th length of described inflow part, described 5th length is more than described first length.
Wherein, the outer diameter length of described inflow end face is the first diameter, and the outer diameter length of described outflow end face is Second bobbin diameter, and described first diameter is more than or equal to described Second bobbin diameter.
Wherein, described right ventricular assist device also includes second pipe, described second pipe releasable connection to described outflow portion.
Wherein, described second pipe includes connecting portion, described connecting portion releasable connection to described outflow portion, and the material of described connecting portion uses hard material.
Wherein, described inflow part offers bypass inflow entrance, and described bypass inflow entrance is arranged with the inflow end surfaces of described inflow part.
Wherein, one end being close to described inflow end face of described inflow part is provided with suture ring.
Wherein, the material of described first pipeline is titanium.
Wherein, described right 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, 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.
Wherein, described driving means includes motor and controller, and 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 right 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.
Wherein, described right 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 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.
Wherein, described right 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 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.
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 described 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 right ventricular assist device described in the utility model forms the runner of similar " √ " type, owing to the runner of " √ " type meets the physiological anatomic architecture of right ventricle, right ventricle physiological curve will not be destroyed, therefore when installing described right ventricular assist device in the patient, can be by described first built in pipeline in the right ventricle of patient, and described inflow end face connects in heart tricuspid annulus to realize the fixing of described first pipeline.Meanwhile, the pulmonary artery of the described outflow end face connection patient of described first pipeline.Now, described driving means drives described blade to rotate, and in the right atrium of patient, blood is flowed into described first pipeline by described inflow end face, in the promotion of described blade with add pressure, goes out described first pipeline from described outflow end surface current and flows to individual with pulmonary.Therefore, right ventricular assist device described in the present embodiment can provide a right ventricle substituted for the patient of right heart function exhaustion, and includes replacement runner and driving force, pumps into pulmonary artery in order to vena systemica to pass back into the blood pressurization of right atrium.In sum, right ventricular assist device described in the present embodiment can realize cardiac chambers and be built into, and its flow channel shape meets right ventricle 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, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to as these accompanying drawings obtain other accompanying drawing.
Fig. 1 is the structural representation of a kind of right ventricular assist device that this utility model embodiment provides.
Fig. 2 is the structural representation of the first pipeline of a kind of right ventricular assist device that this utility model embodiment provides.
Fig. 3 is the top view of the first pipeline of a kind of right ventricular assist device that this utility model embodiment provides.
Fig. 4 is the enlarged diagram of structure at A in Fig. 1.
Fig. 5 is the enlarged diagram of structure at B in Fig. 1.
Fig. 6 is the structural representation of the first pipe interior part of a kind of right ventricular assist device that this utility model embodiment provides.
Fig. 7 is another structural representation of the first pipe interior part of a kind of right ventricular assist device that this utility model embodiment provides.
Fig. 8 is the structural representation of another kind first pipeline of a kind of right ventricular assist device that this utility model embodiment provides.
Fig. 9 is that the signal of a kind of right 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, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Seeing also Fig. 1 and Fig. 2, this utility model embodiment provides a kind of right ventricular assist device, is applicable to the patient of right heart function exhaustion.Described right ventricular assist device includes the first pipeline 1, blade 2 and driving means 3.Described first pipeline 1 includes inflow part 11 and the outflow portion 12 communicated with each other, the center vertical line flowing into end face 110 of described inflow part 11 is 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 with described second vertical line 121 and is formed angle α, and meets 45 °≤α≤100 °.Described blade 2 is rotationally connected the inside to described outflow portion 12, in order to advance the fluid in described first pipeline 1 to flow out from described outflow end face 120.Described driving means 3 is positioned at the outside of described outflow portion, described outflow portion 12 includes the diapire 122 being oppositely arranged with described outflow end face 120, described blade 2 and described driving means 3 lay respectively at the both sides of described diapire 122, and described driving means 3 rotates in order to drive described blade 2.
In the present embodiment, the angle of at 45 ° to 100 ° of shape between the center vertical line (the most described first vertical line 111 and described second vertical line 121) of two end faces of described first pipeline 1 of described right ventricular assist device, namely the runner of described first similar " √ " type of pipeline 1 formation.Owing to the runner of " √ " type meets the physiological anatomic architecture of right ventricle, right ventricle physiological curve will not be destroyed, therefore when installing described right ventricular assist device in the patient, described first pipeline 1 can be built in the right ventricle of patient, and described inflow end face 110 connects in heart tricuspid annulus to realize the fixing of described first pipeline 1.Meanwhile, the described outflow end face 120 of described first pipeline 1 connects the pulmonary artery of patient.Now, described driving means 3 drives described blade 2 to rotate, in the right atrium of patient, blood is flowed into described first pipeline 1 by described inflow end face 110, in the promotion of described blade 2 with add pressure, flows out described first pipeline 1 from described outflow end face 120 and flows to individual with pulmonary.Therefore, right ventricular assist device described in the present embodiment can provide a right ventricle substituted for the patient of right heart function exhaustion, and includes replacement runner and driving force, pumps into pulmonary artery in order to vena systemica to pass back into the blood pressurization of right atrium.In sum, right ventricular assist device described in the present embodiment can realize cardiac chambers and be built into, and its flow channel shape meets right ventricle anatomical structure, will not destroy cardiac structure.
Furthermore, " √ " type flow channel shape of right ventricular assist device described in the present embodiment is similar to the blood flow trace at the right ventricle of healthy heart, optimum, the flow trace in described right ventricular assist device can reach consistent with the blood flow trace at the right ventricle of healthy heart.Now, from right atrium, blood samples of patients flows out to flow into that Pulmonic flow process is the shortest, flow trace is closest to healthy heart, the most described blade 2 only needs that blood is applied the least motive force and it i.e. can be promoted to flow, the efficiency of described driving means 3 is high, it is little to consume energy, thus also reduces the energy consumption of described right ventricular assist device.
It should be appreciated that in the present embodiment, intersect and formed angle α between described first vertical line 111 with described second vertical line 121, described inflow part 11 and the described outflow portion 12 of the most described first pipeline 1 are generally in same plane, compact, easily insert right ventricle.Meanwhile, in the prior art, blood, during being pressurizeed by centrifugal pump, is generally rushed at the rim path of level by vertical center flow channels, and long flow path, blood constantly commutate in flow process and direction is non-coplanar, and therefore energy loss is very big, and centrifugal pump power consumption is big.And in the present embodiment, during blood samples of patients flows in described first pipeline 1, the flow direction of blood is in same level all the time, and flow path is brief.Therefore compared to prior art, described first pipeline 1 of right ventricular assist device described in the present embodiment is shaped such that the efficiency of described driving means 3 is high, energy consumption is little, namely reduces the energy consumption of described right ventricular assist device.Described " center vertical line " refers to be positioned at given plane center 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, and described second vertical line 121 refers to be positioned at described outflow end face 120 center and be perpendicular to the line of described outflow end face 120.
Further, see also Fig. 2 and Fig. 8, described α preferably 45 °, 60 ° (as shown in Figure 2), 75 °, 90 ° (as shown in Figure 8), particularly during α=90 °, in described first pipeline 1, the resistance of fluid is minimum.
For example, see also Fig. 1 to Fig. 3, the described inflow part 11 of described first pipeline 1 includes a bit of cylindrical parts of neighbouring described inflow end face 110 and is connected to the bulb portion of outflow portion 12, outflow portion 12 is in round tube shape, namely the pipe shape of described first pipeline 1 is presented below as change from described inflow end face 110 to flowing out end face 120: pipe flat tube pipe, and the circulation area of described flat tube is not required for invariable, in order to make resistance suffered by the fluid in described first pipeline 1 minimum, and do not produce vortex, the change of shape of above-mentioned pipeline is gentle transition.The cylindrical parts of described inflow part 11 is to be connected to tricuspid annulus for convenience of described inflow end face 110；The bulb portion of described inflow part 11 is to reduce described first pipeline 1 size on the direction being perpendicular to described outflow end face 120, namely reduce the volume of described first pipeline 1, think that miscellaneous part (such as driving means 3) provides placement space, the components placement position making whole described right ventricular assist device is reasonable, compact, reduces the volume of described right ventricular assist device.Certainly, the pipe shape of described first pipeline 1 can be designed according to the demand of concrete applied environment and convert, however it is not limited to the shape described by above-described embodiment.
Simultaneously, seeing also Fig. 1 and Fig. 2, in the present embodiment, described blade 2 and described driving means 3 are separately positioned on the both sides of described diapire 122, namely described diapire 122 separates described driving means 3 and described blade 2 completely, the described driving means 3 described blade of wireless driving 2 rotates.In the prior art, having had more embodiment, such as Electromagnetic Drive etc. about wireless driving, the present embodiment is designed with reference to attainable wireless type of drive, is not repeated herein.
Further, seeing also Fig. 1 and Fig. 2, the described outflow portion 12 of described first pipeline 1 includes that connecting end surface 123, described connecting end surface 123 connect described inflow part 11.In the vertical direction of described outflow end face 120, a length of first length L1 of described connecting end surface 123, a length of second length L2 of described outflow portion 12, described second length L2 described first length L1 more than or equal to two times so that the fluid in described first pipeline 1 is fully pressurized in described outflow portion 12.It should be appreciated that " connecting end surface 123 " can be regarded as the plane at the inflow entrance place of described outflow portion 12 described in this utility model embodiment.In this utility model describes, will be located in described inflow part 11 and be defined as described connecting end surface 123 with face in the multiple planes being connected region of described outflow portion 12, that circulation area is minimum.
Further, see also Fig. 1 and Fig. 2, the described blade 2 a length of 3rd length L3 in the vertical direction of described outflow end face 120, described 3rd length L3 is more than or equal to described first length L1 of two times and less than described second length L2 so that described blade 2 has sufficiently long propelling region.Preferably, described 3rd length L3 is more than or equal to described second length L2 of 2/3rds, namely the length of described outflow portion 12 only needs slightly larger than or is equal to the length of described blade 2.
Further, seeing also Fig. 1, Fig. 2 and Fig. 4, described blade 2 includes the first end 21 near described diapire 122, and the distance between described first end 21 and described diapire 122 is the 4th length L4, and described 4th length L4 is less than or equal to described first length L1.Namely described first end 21 is the least apart from the distance of described diapire 122 such that it is able to reducing the energy consumption of described driving means 3, optimal, described driving means 3 is all arranged against described diapire 122 with described blade 2.Now, blood in described first pipeline 1 is directly entered the propelling region of described blade 2 (blade 2 rotary area is it and advances region) from described inflow part 11, decrease the flow process of described fluid, reduce described fluid resistance, described driving means 3 energy consumption reduces, and the efficiency of described right ventricular assist device raises.
Further, seeing also Fig. 1 and Fig. 2, in the vertical direction of described outflow end face 120, a length of 5th length L5 of described inflow part 11, described 5th length L5 is more than described first length L1.Namely on the direction being perpendicular to described outflow end face 120, the size of described first pipeline 1 has the change of length length, described inflow part 11 defines the depressed area of described first pipeline 1 with the district that is connected of described outflow portion 12, described depressed area is used for accommodating supraventricular crest structure, so that described first pipeline 1 more conforms to the physiological anatomic architecture of the right heart of patient.Furthermore, in the vertical direction of view plane as shown in Figure 1, the consistent size of the various piece of described first pipeline 1, namely structure as shown in Figure 3.Now, during blood flow to described connecting end surface 123 from described inflow end face 110, circulation area reduces, flow velocity is accelerated.
Further, see also Fig. 1 and Fig. 2, the outer diameter length of described inflow end face 110 is the first outer diameter D 1, the outer diameter length of described outflow end face 120 is Second bobbin diameter D2, described first diameter D1 is more than or equal to described Second bobbin diameter D2, so that described first pipeline 1 can be installed smoothly to the right ventricle of patient.
As a kind of preferred embodiment of the present utility model, see also Fig. 1, Fig. 2 and Fig. 5, described right ventricular assist device also includes second pipe 4, described second pipe 4 releasable connection to described outflow portion 12, namely one end of described second pipe 4 is connected to described outflow end face 120.In the present embodiment, owing to being provided with described second pipe 4, the other end pulmonary artery annulus entrance pulmonary artery through patient of described second pipe 4 therefore can be made, so that blood enters individual with pulmonary from described first pipeline 1.In the present embodiment, the length of described outflow portion 12 can be the shortest, and the distance of described outflow end face 120 to pulmonary artery annulus is by described second pipe 4 polishing so that described right ventricular assist device goes for multiple different applied environment, improves versatility.
In the present embodiment, one end releasable connection of described second pipe 4 to the outflow end face 120 of described first pipeline 1, described releasable connection refers to that the connector for connecting is detachable, and conventional the most bonded, pin connect, threaded and clamp connection etc..For example, described second pipe 4 includes connecting portion and throughput, described connecting portion releasable connection to described outflow portion 12, and the material of described connecting portion uses hard material, to facilitate realization to connect.As shown in Figure 5, the outer wall of described outflow portion 12 is provided with groove 1201 adjacent to the position (namely described connecting portion) of described outflow end face 120, the inwall of one end of described second pipe 4 is provided with protruding 41, described protruding 41 snap in described groove 1201 forms connector, and at the outer sheathed dead ring 42 of described connector, make described second pipe 4 be fixed to described first pipeline 1.It should be noted that, the circulation area of described throughput is not fixing, flexible design can be carried out according to the physical condition of patient.Such as, the circulation area of described throughput can be less than the circulation area (namely the circulation area less than described outflow portion 12) of described connecting portion, and described throughput connects the position of described connecting portion and is provided with convergence structure.
Further, see also Fig. 1 to Fig. 3, described inflow part 11 offers bypass inflow entrance 112, inflow end face 110 interval of described bypass inflow entrance 112 and described inflow part 11 is arranged, namely described bypass inflow entrance 112 is separate with described inflow end face 110, so that described bypass inflow entrance 112 becomes the entrance of another described inflow part 11.When described right ventricular assist device is placed in described right ventricle, the blood in described right ventricle, under the effect of negative pressure, flows into described inflow part 11 by described bypass inflow entrance 112, thus in avoiding right ventricle sludging and cause right ventricle to expand.It should be appreciated that described bypass inflow entrance 112 can be provided with multiple, and its position can be adjusted according to the heart condition of patient.Such as, described bypass inflow entrance 112 can be opened in the described inflow part 11 one side away from described outflow portion 12.
Further, see also Fig. 1 to Fig. 3, one end (cylindrical parts of the most described inflow part 11) being close to described inflow end face 110 of described inflow part 11 is provided with suture ring 113, the inner ring of described suture ring 113 is sewed up or is fastened in described inflow part 11, the outer ring of described suture ring 113 is in order to be seamed to the tricuspid annulus of heart, so that the described inflow end face 110 of described first pipeline 1 is fixed to heart.Described suture ring 113 uses the braided material with biocompatibility, nonabsorable, such as, can be used for the terylene sewed up.For example, seeing also Fig. 1 to Fig. 3, the outer wall of described inflow part 11 is provided with a depressed area 1130 near the position of described inflow end face 110, and described suture ring 113 is fastened in described depressed area 1130 fixing with realize with described inflow part 11.
Further, refer to Fig. 1, in order to make the fluid in described right ventricular assist device flow along optimal flow track, the material arranging described first pipeline 1 is hard material, namely described first pipeline 1 does not deforms upon under the pressure of described fluid or the most small deformation, thus enable a fluid to along predetermined runner track flowing, to reduce the energy consumption of described right ventricular assist device.Preferably, described first pipeline 1 can use lightweight titanium, and its intensity is big, and density is little, and hardness is big, and fusing point is high, and corrosion resistance is the strongest.The material of described second pipe 4 can be flexible material (such as artificial blood vessel), it is also possible to be rigid (such as titanium).
It is possible to further at the surface coating of described first pipeline 1, described coating uses anti-thrombotic substance, to reduce the formation of thrombosis.Preferably, described coating can use polytetrafluorethylecoatings coatings.
Further, see also Fig. 1, Fig. 2 and Fig. 6, described right ventricular assist device also includes being arranged on the bracing frame 200 in described outflow portion 12 and rotating shaft 20, support frame as described above 200 is fixed on the inwall of described outflow portion 12, support frame as described above 200 includes the first support 201 and the second support 202 being oppositely arranged, described blade 2 is arranged around described rotating shaft 20, the axis 203 of described rotating shaft 20 is perpendicular to described outflow end face 120 (preferably, described axis 203 and described second vertical line 121 conllinear), described rotating shaft 20 is fastened between described first support 201 and described second support 202.
In the present embodiment, the axis 203 of described rotating shaft 20 is perpendicular to described outflow end face 120, namely the propulsive force direction of described blade 2 is perpendicular to described outflow end face 120, fluid in described first pipeline 1 i.e. can successfully eject from described outflow end face 120 under the propulsive force of the least blade 2 so that described right ventricular assist device energy consumption is little, more energy efficient.Of course, it is possible to the shape of described blade 2 is carried out appropriate design so that it is there is bigger propulsive force, reduce the blood flow impact to described outflow portion 12 sidewall, to reduce loss simultaneously.
In the present embodiment, see also Fig. 1, Fig. 6 and Fig. 7, described first support 201 includes the first ring portion 2011 and the first spoke 2012, described first spoke 2012 is arranged on the position of any bar diameter of the inner circle of described first ring portion 2011, and the middle part of described first spoke 2012 is provided with the first groove 2013；Described second support 202 includes the second ring portion 2021 and the second spoke 2022, and described second spoke 2022 is arranged on the position of any bar diameter of the inner circle of described second ring portion 2021, and the middle part of described second spoke 2022 is provided with the second groove 2023.The two ends of described rotating shaft 20 are respectively formed with the first protruding 2031 and second projection 2032, and described first projection 2031 and described second projection 2032 are stuck in described first groove 2013 and described second groove 2023.Therefore, described rotating shaft 20 is fastened between described first support 201 and described second support 202, it is to avoid described rotating shaft 20 and described blade 2 swing back and forth and upper and lower displacement.Support frame as described above 200 also includes that locating support 204, described locating support 204 connect described first support 201 and described second support 202, in order to fixing spacing between described first support 201 and described second support 202.Further, maximum spacing (between such as two bottom portion of groove) between described first groove 2013 and described second groove 2023 is more than the total length of described rotating shaft 20, minimum spacing (such as between the edge of two grooves) between described first groove 2013 and described second groove 2023 is less than the total length of described rotating shaft 20, so that described rotating shaft 2032 has small relative movement space, described rotating shaft 20 and described blade 2 is made to rotate or running has certain self-regulation space, described rotating shaft 20 and described blade 2 is conducive to be adjusted according to the mobility status of fluid in described first pipeline 1, there is buffering and optimization ability.
In the present embodiment, described blade 2 and described rotating shaft 20 all use hard material, preferably lightweight titanium metal material.Described rotating shaft 20 hollow design, to alleviate quality, reduces the energy consumption of described driving means 3.
Further, seeing also Fig. 1 and Fig. 4, the described driving means 3 of described right ventricular assist device includes motor 5 and controller 6, and described motor 5 rotates in order to drive described blade 2；Described controller 6 electrically connects described motor 5, in order to regulate the output of described motor 5.In the present embodiment, described motor 5 and described blade 2 are separately positioned on the both sides of described diapire 122, namely described diapire 122 separates described motor 5 and described blade 2 completely, and the described motor 5 described blade of wireless driving 2 rotates.In the prior art, having had more embodiment, such as Electromagnetic Drive etc. about wireless driving, the present embodiment is designed with reference to attainable wireless type of drive, is not repeated herein.It should be noted that, in the present embodiment, the spacing between described motor 5 and described blade 2 should be the least, to reduce the energy consumption of described motor 5.Preferably, described motor 5 is all arranged against described diapire 122 with described blade 2.
Further, seeing also Fig. 1 and Fig. 4, described right ventricular assist device also includes that dividing wall 51, described dividing wall 51 are fixed to described diapire 122 and deviate from the side of described outflow end face 120, and it being collectively forming separate cavities 50 with described diapire 122, described motor 5 is placed in described separate cavities 50.Preferably, in described controller 6 is also placed in described separate cavities 50.Described separate cavities 50 is the chamber sealed, when described right ventricular assist device is installed to human body, described dividing wall 51 is built in right ventricle equally, described motor 5 and described controller 6 are isolated by described dividing wall 51 with the blood in heart, improve the biocompatibility of described right ventricular assist device, ensured that described motor 5 and described controller 6 have good use environment, improve its service life simultaneously.It should be noted that, in this utility model, described first pipeline 1 and described dividing wall 51 all use the design of the transition type such as circular arc or slope when design, it is to avoid use right angle or lofty lobe occur, to prevent from forming thrombosis.
Further, seeing also Fig. 1 and Fig. 4, described right ventricular assist device also includes the first battery component 71 and the second battery component 72.Described first battery component 71 electrically connects described motor 5, with thinking that described motor 5 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 the first charging inlet 712 of electrical connection, and described first accumulator 711 electrically connects described motor 5.Described second battery component 72 includes the second accumulator 721 and the second charging inlet 722 of electrical connection.Wireless connections between described first charging inlet 712 and described second charging inlet 722, make the electric energy transfer in described second accumulator 721 to described first accumulator 711.
When described right ventricular assist device is installed to human body, described first battery component 71 is placed in the second battery component 72 internal, described and is placed in external.Described first battery component 71 is by being wired to motor 5, and described first battery component 71 is placed in outside heart, be embedded in subcutaneous can (abdominal part be preferred).Described second battery component 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, and described wireless charging is with reference to attainable wireless charging mode.
Further, seeing also Fig. 1, Fig. 2, described right ventricular assist device also includes sensing device 100 and signal processing apparatus 101.Described sensing device 100 is in order to detect the fluid parameter in described first pipeline 1 (with described second pipe 4), and forms the first signal S1 and be sent to described signal processing apparatus 101.Described signal processing apparatus 101 is in order to receive, store and to process described first signal S1, and forms secondary signal S2 and be sent to described controller 6, makes described controller 6 regulate the output of described motor 5.Yes being to be understood that, fluid parameter described in the present embodiment includes but not limited to pressure, viscosity, flow velocity, temperature, density etc..Described sensing device 100 can be according to demand, it is provided with multiple sensor to detect multiple different parameters simultaneously, or multiple sensor is installed to detect the same parameter of multiple diverse locations in multiple positions of described first pipeline 1 (with described second pipe 4) simultaneously.Further, described sensing device 100 can also detect described blade 2 and/or the running parameter of described motor 5 simultaneously, such as rotating speed, power etc., transmit related data to described signal processing apparatus 101 simultaneously, to obtain more preferably secondary signal S2, thus improve the work efficiency of described motor 5, reduce the energy consumption of described right ventricular assist device.Certainly, described sensing device 100 can also detect other parameters according to real needs.
Further, seeing also Fig. 1, Fig. 4 and Fig. 9, the described signal processing apparatus 101 of described right ventricular assist device includes chip 81 and processor 82.Described chip 81 transmits initial data S3 to described processor 82.Described processor 82 receives described initial data S3, forms feedback data S4, and transmits described feedback data S4 to described chip 81.Described processor 82 includes display screen 821, and described display screen 821 is in order 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 described processor 82 has more the ability revising described chip 81 internal datas/program, so that described signal processing apparatus 101 changes (tranquillization or kinestate, vascular resistance change etc.) according to the condition of user carries out Reasonable adjustment, make described right ventricular assist device meet the physiological status that patient is real-time, the most also can extend battery life, extend service life etc. of described right ventricular assist device.Meanwhile, display screen 821 described in the present embodiment can give expression to physical condition and the duty of described right ventricular assist device of user especially intuitively, contributes to diagnosis and treatment user.
When described right 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, be embedded in subcutaneous can (abdominal part be preferred).Described processor 82 can be integrally disposed on the belt being provided with the second battery component 72, and after user wears belt, described processor 82 is just to described chip 81.Described processor 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 be with the display image of display screen described in direct viewing 821.
Being described in detail this utility model embodiment above, principle of the present utility model and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method of the present utility model and core concept thereof；Simultaneously for one of ordinary skill in the art, according to thought of the present utility model, the most all will change, in sum, this specification content should not be construed as restriction of the present utility model.
Claims (17)
1. a right ventricular assist device, it is characterised in that including:
First pipeline, including the inflow part communicated with each other and outflow portion, flowing in end face of described inflow part
Heart vertical 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 intersects with described second vertical line and the angle of at 45 ° to 100 ° of shape；
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 lay respectively at the both sides of described diapire,
Described driving means rotates in order to drive described blade.
2. right ventricular assist device as claimed in claim 1, it is characterised in that described outflow portion includes connecting
The connecting end surface of described inflow part, in the vertical direction of described outflow end face, the length of described connecting end surface
It is the first length, a length of second length of described outflow portion, described second length institute more than or equal to two times
State the first length.
3. right ventricular assist device as claimed in claim 2, it is characterised in that described blade is in described outflow
A length of 3rd length in the vertical direction of end face, described 3rd length is more than or equal to described the first of two times
Length and less than described second length.
4. right ventricular assist device as claimed in claim 2, it is characterised in that described blade includes near institute
Stating the first end of diapire, the distance between described first end and described diapire is the 4th length, and the described 4th is long
Degree is less than or equal to described first length.
5. right ventricular assist device as claimed in claim 2, it is characterised in that hanging down at described outflow end face
Upwards, a length of 5th length of described inflow part, described 5th length is more than described first length to Nogata.
6. right ventricular assist device as claimed in claim 1, it is characterised in that the external diameter of described inflow end face
A length of first diameter, the outer diameter length of described outflow end face is Second bobbin diameter, described greater diameter than etc.
In described Second bobbin diameter.
7. right ventricular assist device as claimed in claim 1, it is characterised in that described right ventricular assist device is also
Including second pipe, described second pipe releasable connection to described outflow portion.
8. right ventricular assist device as claimed in claim 7, it is characterised in that described second pipe includes even
Meeting portion, described connecting portion releasable connection to described outflow portion, the material of described connecting portion uses hard material.
9. right ventricular assist device as claimed in claim 1, it is characterised in that described inflow part offers side
Through-flow entrance, described bypass inflow entrance is arranged with the inflow end surfaces of described inflow part.
10. right ventricular assist device as claimed in claim 1, it is characterised in that being close to of described inflow part
One end of described inflow end face is provided with suture ring.
11. right ventricular assist devices as claimed in claim 1, it is characterised in that the material of described first pipeline
Matter is titanium.
12. right ventricular assist devices as claimed in claim 1, it is characterised in that described right ventricular assist device
Also including being arranged on the bracing frame in described outflow portion and rotating shaft, support frame as described above is fixed on described outflow portion
Inwall, and include the first support and the second support being oppositely arranged, described blade is arranged around described rotating shaft,
The axis of described rotating shaft is perpendicular to described outflow end face, and described axis of rotation is connected to described first support and institute
State between the second support.
13. right 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 right 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.
14. right ventricular assist devices as claimed in claim 13, it is characterised in that described right heart auxiliary dress
Put and also include 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.
15. right ventricular assist devices as claimed in claim 14, it is characterised in that described first set of cells
Part 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 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.
16. right ventricular assist devices as claimed in claim 13, it is characterised in that described right heart auxiliary dress
Put and also include sensing device and signal processing apparatus；
Described sensing device is in order to detect the fluid parameter in described first pipeline, and forms the first signal transmission
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.
17. right ventricular assist devices as claimed in claim 16, it is characterised in that described signal processing device
Put and include 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107981.4U CN205598311U (en) | 2016-02-02 | 2016-02-02 | Right side heart auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107981.4U CN205598311U (en) | 2016-02-02 | 2016-02-02 | Right side heart auxiliary device |
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| CN205598311U true CN205598311U (en) | 2016-09-28 |
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| CN201620107981.4U Active CN205598311U (en) | 2016-02-02 | 2016-02-02 | Right side heart auxiliary device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597173A (en) * | 2016-02-02 | 2016-05-25 | 丁以群 | Right ventricular assist device |
| WO2017133427A1 (en) * | 2016-02-02 | 2017-08-10 | 丁以群 | Heart assist device |
| WO2017133426A1 (en) * | 2016-02-02 | 2017-08-10 | 丁以群 | Left ventricular assist device |
-
2016
- 2016-02-02 CN CN201620107981.4U patent/CN205598311U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597173A (en) * | 2016-02-02 | 2016-05-25 | 丁以群 | Right ventricular assist device |
| WO2017133425A1 (en) * | 2016-02-02 | 2017-08-10 | 丁以群 | Right ventricular assist device |
| WO2017133427A1 (en) * | 2016-02-02 | 2017-08-10 | 丁以群 | Heart assist device |
| WO2017133426A1 (en) * | 2016-02-02 | 2017-08-10 | 丁以群 | Left ventricular assist device |
| CN105597173B (en) * | 2016-02-02 | 2018-05-25 | 深圳市尚捷医疗科技有限公司 | Right ventricular assist device |
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