CN115804905B - Catheter pump - Google Patents
Catheter pump Download PDFInfo
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- CN115804905B CN115804905B CN202211418241.9A CN202211418241A CN115804905B CN 115804905 B CN115804905 B CN 115804905B CN 202211418241 A CN202211418241 A CN 202211418241A CN 115804905 B CN115804905 B CN 115804905B
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- driving motor
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- motor main
- shell
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- 238000001816 cooling Methods 0.000 claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 239000008280 blood Substances 0.000 claims abstract description 33
- 210000004369 blood Anatomy 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 73
- 238000000926 separation method Methods 0.000 claims description 45
- 239000012530 fluid Substances 0.000 claims description 4
- 230000010412 perfusion Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 25
- 230000023555 blood coagulation Effects 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 description 14
- 210000001367 artery Anatomy 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000005240 left ventricle Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a conduit pump, which relates to the technical field of conduit pump heat dissipation and comprises the following components: the device comprises a shell and a power mechanism arranged in the shell, wherein the power mechanism comprises a driving motor main body and fan blades, the driving motor main body is arranged in the shell, the fan blades are arranged in the shell, the driving motor main body drives a conduit pump to operate, and the driving motor main body drives the fan blades to operate; when the power mechanism ensures that the driving motor main body operates, the fan blades perform air cooling and heat dissipation on the transmission connection part between the driving motor main body and the working end. According to the catheter pump, the driving motor main body is started to drive the catheter pump to run, meanwhile, the driving motor main body drives the fan blades to rotate, the fan blades conduct air cooling and heat dissipation on the transmission connection position between the driving motor main body and the working end, generated heat is effectively prevented from being conducted to the working end of the catheter pump, blood coagulation caused by rising of blood temperature is avoided, and safety of a patient is guaranteed.
Description
Technical Field
The invention relates to the technical field of heat dissipation of conduit pumps, in particular to a conduit pump.
Background
An interventional catheter pump device, abbreviated as a blood pump, can pump blood. Taking left ventricle assist as an example, in the prior art, a pump of an interventional catheter pump device is generally arranged in a left ventricle of a subject, an impeller of the pump is driven to rotate by a flexible shaft, and power is transmitted to the pump by driving the flexible shaft by a motor. Also, the catheter pump enables insertion into a patient's blood vessel and expansion after insertion in order to ensure stable contraction and expansion. During compression and expansion, both the rotor (e.g., impeller) and the housing are typically deformed accordingly, and the stability of the lobe gap size (also known as the lobe gap, i.e., the gap between the radially outer end of the impeller and the inner wall of the pump housing) is an important contributor to the operational stability of the blood pump.
In chinese patent application CN114225213a, by matching the deformation of the impeller blade with the deformation of the pump casing in the working state, the blade tip clearance can be kept in a reasonable range at different working rotation speed points, so that the working efficiency of the impeller is improved, and the pump is more stable to operate due to the more stable relationship between the flow and the rotation speed.
But there are also the following problems: when the motor is driven, the motor can generate a large amount of heat, and the heat is easily conducted from the transmission flexible shaft to blood, so that the temperature of the blood is increased to cause blood coagulation, and the danger of a patient is easily caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the catheter pump, which solves the problems that when a motor is driven, the motor generates a large amount of heat, and the heat is easily conducted from a transmission flexible shaft to blood, so that the blood is solidified due to the rise of the temperature of the blood, and the danger of a patient is easily caused.
The above object of the present invention can be achieved by the following technical solutions:
a catheter pump comprising: the device comprises a shell and a power mechanism arranged in the shell, wherein the power mechanism comprises a driving motor main body and fan blades, the driving motor main body is arranged in the shell, the fan blades are arranged in the shell, the driving motor main body drives a catheter pump to operate, and the driving motor main body drives the fan blades to operate;
when the power mechanism ensures that the driving motor main body runs, the fan blades cool and dissipate heat at the transmission connection position between the driving motor main body and the working end.
In a preferred embodiment, the casing is fixedly provided with a coupler, the coupler is fixedly provided with a conduit, the conduit is communicated with the coupler, the coupler is fixedly provided with a retaining sleeve, the retaining sleeve is sleeved on the conduit, the conduit is fixedly provided with a pump body, the pump body is communicated with the conduit, the pump body is fixedly provided with a bearing chamber, the bearing chamber is communicated with the pump body, and the bearing chamber is provided with a noninvasive support piece.
In a preferred embodiment, one end of the pump body is provided with a blood inlet end, the blood inlet end communicates one end of the pump body with the outside, the other end of the pump body is provided with a blood outlet end, the blood outlet end communicates the other end of the pump body with the outside, a perfusion fluid input end is fixedly arranged on the coupler, and the perfusion fluid input end is communicated with the coupler.
In a preferred embodiment, the power mechanism further comprises a connecting shaft, a first bevel gear, a second bevel gear and a separation box, wherein the driving motor main body is fixedly installed in the shell, the connecting shaft is rotationally matched with the shell, the connecting shaft is perpendicular to the axis of the driving motor main body, the first bevel gear is fixedly installed on the shaft of the driving motor main body, the second bevel gear is fixedly installed on the connecting shaft, and the first bevel gear is meshed with the second bevel gear.
In a preferred embodiment, the separation box is fixedly installed in the shell, the driving motor main body is located outside the separation box, the connecting shaft penetrates through the separation box, the connecting shaft is sealed with the separation box, a transmission shaft is rotationally matched with the separation box, a third bevel gear is fixedly installed on the connecting shaft and located inside the separation box, a fourth bevel gear is fixedly installed on the transmission shaft, and the fourth bevel gear is meshed with the third bevel gear.
In a preferred embodiment, the separation box is provided with a shunt opening, the shell is rotationally matched with a belt wheel, the belt wheel is in power connection with the coupler, the belt wheel is in tension with the transmission shaft, the belt penetrates through the shunt opening, and the shunt opening is opposite to the belt wheel.
In a preferred embodiment, the transmission shaft is fixedly provided with a fan blade, the fan blade is located at one side of the split-flow opening, the shell is provided with an air inlet, the air inlet is communicated with the inside of the split-flow opening, the air inlet is located at one side of the split-flow opening, the shell is provided with an air outlet, the air outlet is communicated with the inside of the split-flow opening, and the air outlet is located at the other side of the split-flow opening.
In a preferred embodiment, a water cooling mechanism is arranged in the shell; the water cooling mechanism comprises a pump and a water cooling box, the pump is arranged in the shell, the water cooling box is arranged on the driving motor main body, the inlet and outlet ends of the pump are communicated with the water cooling box, and the joint between the pump and the water cooling box extends to the outside of the shell.
In a preferred embodiment, the water cooling mechanism further comprises cooling fins and a water pipe, the pump is fixedly installed on the separation box, the pump is located outside the separation box, the water cooling box is fixedly installed on the driving motor main body, the water cooling box is sleeved on the driving motor main body, the inlet end of the pump is communicated with the water cooling box, a plurality of cooling fins are fixedly installed on the shell, the cooling fins are located outside the shell, the water pipe is fixedly installed in the shell, the water pipe penetrates through the wall surface of the shell, the water pipe penetrates through the cooling fins, and the water pipe is communicated with the cooling fins.
In a preferred embodiment, the connecting shaft is fixedly provided with a worm, the worm is located outside the separation box, a turbine is in running fit with the separation box, the turbine is located outside the separation box, the turbine is in power connection with the pump, and the turbine is meshed with the worm.
Compared with the prior art, the catheter pump provided by the invention has the following beneficial effects:
1. this high-efficient heat dissipation catheter pump through starting driving motor main part, driving motor main part drive catheter pump operation, simultaneously, driving motor main part drive fan blade rotates, and the fan blade carries out the forced air cooling to the transmission junction between driving motor main part and the work end and dispels the heat, prevents the heat conduction that produces to the work end of catheter pump effectively, avoids blood temperature to rise and leads to blood coagulation, has ensured patient's safety.
2. This high-efficient heat dissipation catheter pump drives first bevel gear through driving motor main part and rotates, and first bevel gear drives second bevel gear and rotates, and second bevel gear drives the axle and rotates, and the axle drives the third bevel gear and rotate, and the third bevel gear drives fourth bevel gear and rotates, and fourth bevel gear drives the transmission shaft and rotates to produce thermal transmission structure in the power transmission and all arrange the separation box inside, guaranteed that the heat that produces in the transmission can be concentrated and dispel the heat, effectively improved radiating efficiency.
3. This high-efficient heat dissipation catheter pump, through the rotation along with the connecting axle, the connecting axle drives the worm and rotates, the worm drives the turbine and rotates, the turbine drives the pump machine and rotates, the pump machine operation is in order to convey the coolant liquid in pump machine and the water-cooling tank, the backward flow through the water pipe, make the coolant liquid form circulation conveying, so that the water-cooling tank carries out the water-cooling heat dissipation to the driving motor main part, simultaneously, the coolant liquid in the water pipe dispels the heat when the fin, in order to guarantee the sustainable use of coolant liquid, carry out the water-cooling heat dissipation to the heat that driving motor main part produced effectively, further prevent heat conduction in the blood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the internal structure of a housing according to the present invention;
FIG. 2 is a schematic view of the structure of the catheter of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is a schematic diagram of a power mechanism according to the present invention;
FIG. 5 is a schematic view showing the internal structure of the separation box of the present invention;
FIG. 6 is a schematic diagram of a water cooling mechanism according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6B;
fig. 8 is a schematic diagram of the overall structure of the present invention.
Reference numerals illustrate: 1. a housing; 11. a coupler; 12. a conduit; 13. a retaining sleeve; 14. a pump body; 15. a bearing chamber; 16. a non-invasive support; 17. a blood inlet end; 18. a blood outlet port; 19. a perfusate input; 2. a power mechanism; 21. a driving motor main body; 22. a connecting shaft; 23. a first bevel gear; 24. a second bevel gear; 25. a partition box; 26. a transmission shaft; 27. a third bevel gear; 28. a fourth bevel gear; 29. a shunt port; 210. a belt wheel; 211. a belt; 212. a fan blade; 213. an air inlet; 214. an air outlet; 3. a water-cooling heat dissipation mechanism; 31. a pump machine; 32. a water cooling tank; 33. a heat sink; 34. a water pipe; 35. a worm; 36. and (3) a turbine.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, may be in communication with each other in two elements, may be directly connected, or may be indirectly connected through an intermediary, and the specific meaning of the terms may be understood by those of ordinary skill in the art in view of the specific circumstances. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
As described in the background art, the present application provides a catheter pump to solve the above technical problems.
Referring to fig. 1, an embodiment of the present invention provides a catheter pump, which includes a housing 1, a power mechanism 2 disposed in the housing 1, the power mechanism 2 including a driving motor main body 21 and fan blades 212, the housing 1 being provided with the driving motor main body 21, the housing 1 being provided with the fan blades 212, the driving motor main body 21 driving the catheter pump to operate, the driving motor main body 21 driving the fan blades 212 to operate;
when the power mechanism 2 ensures that the driving motor main body 21 runs, the fan blades 212 perform air cooling and heat dissipation on the transmission connection part between the driving motor main body 21 and the working end, and the water cooling tank 32 performs water cooling and heat dissipation on the driving motor main body 21.
Further, both the water cooling tank 32 and the pump 31 are filled with the coolant.
When the invention is used:
when the catheter pump is used, the driving motor main body 21 is started, the driving motor main body 21 drives the catheter pump to run, meanwhile, the driving motor main body 21 drives the fan blades 212 to rotate, the fan blades 212 conduct air cooling and heat dissipation to the transmission connection part between the driving motor main body 21 and the working end, generated heat is effectively prevented from being conducted to the working end of the catheter pump, blood coagulation caused by rising of blood temperature is avoided, and safety of a patient is guaranteed.
Further, referring to fig. 1 to 3 and 8, a coupler 11 is fixedly installed on a housing 1, a conduit 12 is fixedly installed on the coupler 11, the conduit 12 is communicated with the coupler 11, a retaining sleeve 13 is fixedly installed on the coupler 11, the retaining sleeve 13 is sleeved on the conduit 12, a pump body 14 is fixedly installed on the conduit 12, the pump body 14 is communicated with the conduit 12, a bearing chamber 15 is fixedly installed on the pump body 14, the bearing chamber 15 is communicated with the pump body 14, and a non-invasive support piece 16 is arranged on the bearing chamber 15.
Further, as shown in fig. 1 to 3, a blood inlet end 17 is disposed at one end of the pump body 14, the blood inlet end 17 communicates one end of the pump body 14 with the outside, a blood outlet end 18 is disposed at the other end of the pump body 14, the blood outlet end 18 communicates the other end of the pump body 14 with the outside, a perfusate input end 19 is fixedly mounted on the coupler 11, and the perfusate input end 19 communicates with the coupler 11.
Further, the pump body 14 is in the prior art, and the pump body 14 includes an impeller, a bracket, a flow-facing surface, and the like.
Wherein, the noninvasive support 16 and the conduit 12 are introduced into the ventricle through the artery, at this time, the front end of the pump body 14 is positioned in the ventricle, the rear end of the pump body 14 is positioned in the artery, then the conduit pump is started, and the power conduction is carried out between the housing 1 and the bearing chamber 15 through the coupler 11, so that the blood enters the pump body 14 from the ventricle through the blood inlet end 17, and then flows into the artery through the blood outlet end 18.
Further, referring to fig. 1 and 4, the power mechanism 2 further includes a connecting shaft 22, a first bevel gear 23, a second bevel gear 24, and a separation box 25, the driving motor main body 21 is fixedly installed in the housing 1, the connecting shaft 22 is rotatably fitted in the housing 1, the connecting shaft 22 is vertically disposed relative to the axis of the driving motor main body 21, the first bevel gear 23 is fixedly installed on the shaft of the driving motor main body 21, the second bevel gear 24 is fixedly installed on the connecting shaft 22, and the first bevel gear 23 is meshed with the second bevel gear 24.
Further, the separation box 25 separates an independent space in the casing 1, so that when the power mechanism 2 performs air cooling, air flow can intensively perform unidirectional blowing, and the heat dissipation efficiency of the air cooling is improved.
Wherein, the driving motor main body 21 drives the first bevel gear 23 to rotate, the first bevel gear 23 drives the second bevel gear 24 to rotate, and the second bevel gear 24 drives the connecting shaft 22 to rotate.
Further, referring to fig. 4 and 5, a separation box 25 is fixedly installed in the housing 1, the driving motor main body 21 is located outside the separation box 25, the connecting shaft 22 penetrates through the separation box 25, the connecting shaft 22 and the separation box 25 are sealed, a transmission shaft 26 is rotatably matched with the separation box 25, a third bevel gear 27 is fixedly installed on the connecting shaft 22, the third bevel gear 27 is located inside the separation box 25, a fourth bevel gear 28 is fixedly installed on the transmission shaft 26, and the fourth bevel gear 28 is meshed with the third bevel gear 27.
Wherein, the connecting shaft 22 drives the third bevel gear 27 to rotate, the third bevel gear 27 drives the fourth bevel gear 28 to rotate, and the fourth bevel gear 28 drives the transmission shaft 26 to rotate, so that the transmission structure generating heat in the power transmission is arranged inside the separation box 25.
Further, as shown in fig. 4 and 5, the split-flow port 29 is formed on the partition box 25, the pulley 210 is rotatably engaged with the housing 1, the pulley 210 is in power connection with the coupler 11, the coupling mode can be any power coupling mode in the prior art, preferably magnetic coupling, the pulley 210 and the transmission shaft 26 are tensioned with a belt 211, the belt 211 penetrates through the split-flow port 29, and the split-flow port 29 is opposite to the pulley 210.
The transmission shaft 26 drives the belt 211 to rotate, the belt 211 drives the belt pulley 210 to rotate, and the belt pulley 210 drives the working end of the catheter pump to operate.
Further, referring to fig. 5, a fan blade 212 is fixedly installed on the transmission shaft 26, the fan blade 212 is located at one side of the split-flow opening 29, an air inlet 213 is formed in the housing 1, the air inlet 213 is communicated with the inside of the split-flow opening 29, the air inlet 213 is located at one side of the split-flow opening 29, an air outlet 214 is formed in the housing 1, the air outlet 214 is communicated with the inside of the split-flow opening 25, and the air outlet 214 is located at the other side of the split-flow opening 29.
The transmission shaft 26 drives the fan blade 212 to rotate at the same time, and the air inlet 213 and the air outlet 214 and the channel formed by the separation box 25 are driven by the air flow of the fan blade 212, so that the air flow is formed in the separation box 25 to cool and dissipate heat generated in the transmission process, and the air flow is blown to the belt pulley 210 through the shunt opening 29 to cool and dissipate heat at the belt pulley 210 together.
Further, referring to fig. 1, a water cooling mechanism 3 is disposed in a housing 1, the water cooling mechanism 3 includes a pump 31 and a water cooling tank 32, the pump 31 is disposed in the housing 1, the water cooling tank 32 is disposed on a driving motor main body 21, both inlet and outlet ends of the pump 31 are communicated with the water cooling tank 32, and a joint between the pump 31 and the water cooling tank 32 extends to the outside of the housing 1.
The driving motor main body 21 drives the pump 31 to rotate, and the driving motor main body 21 may be driven by a magnetic coupling manner with the driving pump in addition to the gear driving in the embodiment, and the pump 31 drives the water cooling tank 32 to circulate with the cooling liquid in the pump 31, so that the cooling liquid performs water cooling and heat dissipation on the driving motor main body 21.
Further, referring to fig. 1 and 6, the water cooling mechanism 3 further includes a heat sink 33 and a water pipe 34, the partition box 25 is fixedly provided with a pump 31, the pump 31 is located outside the partition box 25, the driving motor main body 21 is fixedly provided with a water cooling tank 32, the water cooling tank 32 is sleeved on the driving motor main body 21, an inlet end of the pump 31 is communicated with the water cooling tank 32, the casing 1 is fixedly provided with a plurality of heat sinks 33, the heat sinks 33 are located outside the casing 1, the casing 1 is internally and fixedly provided with the water pipe 34, the water pipe 34 penetrates through a wall surface of the casing 1, the water pipe 34 penetrates through the heat sinks 33, the water pipe 34 is communicated with the heat sinks 33, and the water pipe 34 is communicated with the water cooling tank 32.
Further, referring to fig. 6 and 7, a worm 35 is fixedly mounted on the connecting shaft 22, the worm 35 is located outside the separation box 25, a turbine 36 is rotatably fitted on the separation box 25, the turbine 36 is located outside the separation box 25, the turbine 36 is in power connection with the pump 31, and the turbine 36 is meshed with the worm 35.
Along with the rotation of the connecting shaft 22, the connecting shaft 22 drives the worm 35 to rotate, the worm 35 drives the turbine 36 to rotate, the turbine 36 drives the pump 31 to rotate, the pump 31 operates to convey the cooling liquid in the pump 31 and the water cooling tank 32, and the cooling liquid flows back through the water pipe 34, so that the cooling liquid forms circulation conveying, the water cooling tank 32 performs water cooling heat dissipation on the driving motor main body 21, and meanwhile, the cooling liquid in the water pipe 34 performs heat dissipation when passing through the cooling fin 33, so that the sustainable use of the cooling liquid is ensured, the water cooling heat dissipation is effectively performed on the heat generated by the driving motor main body 21, and the heat conduction to blood is further prevented.
Further, a transmission flexible shaft is arranged in the conduit 12 and is in power connection with the coupler 11, and the transmission flexible shaft is in power connection with the pump body 14.
Working principle:
when the catheter pump is used, the driving motor main body 21 is started, the driving motor main body 21 drives the catheter pump to run, meanwhile, the driving motor main body 21 drives the fan blades 212 to rotate, the fan blades 212 perform air cooling and heat dissipation on a transmission connection part between the driving motor main body 21 and a working end, meanwhile, the driving motor main body 21 drives the pump 31 to rotate, and the pump 31 drives the water cooling tank 32 and cooling liquid in the pump 31 to circulate and convey, so that the cooling liquid performs water cooling and heat dissipation on the driving motor main body 21;
wherein, the noninvasive support 16 and the conduit 12 are introduced into the ventricle through the artery, at this time, the front end of the pump body 14 is positioned in the ventricle, the rear end of the pump body 14 is positioned in the artery, then the conduit pump is started, the power conduction is carried out between the housing 1 and the bearing chamber 15 through the coupler 11, so that the blood enters the pump body 14 from the ventricle through the blood inlet end 17, and then flows into the artery through the blood outlet end 18;
then, the driving motor main body 21 drives the first bevel gear 23 to rotate, the first bevel gear 23 drives the second bevel gear 24 to rotate, the second bevel gear 24 drives the connecting shaft 22 to rotate, the connecting shaft 22 drives the third bevel gear 27 to rotate, the third bevel gear 27 drives the fourth bevel gear 28 to rotate, the fourth bevel gear 28 drives the transmission shaft 26 to rotate, so that the transmission structure generating heat in the power transmission is arranged in the separation box 25, the transmission shaft 26 drives the belt 211 to rotate, the belt 211 drives the belt pulley 210 to rotate, the belt pulley 210 drives the working end of the conduit pump to operate, the transmission shaft 26 simultaneously drives the fan blade 212 to rotate, the air inlet 213, the air outlet 214 and the channel formed by the separation box 25 are driven by the air flow of the fan blade 212, so that the air flow is formed in the separation box 25 to perform air cooling and heat dissipation in the transmission process, and the air flow is blown to the belt pulley 210 through the split port 29 to perform air cooling and heat dissipation on the belt pulley 210 together;
meanwhile, along with the rotation of the connecting shaft 22, the connecting shaft 22 drives the worm 35 to rotate, the worm 35 drives the turbine 36 to rotate, the turbine 36 drives the pump 31 to rotate, the pump 31 operates to convey the pump 31 and cooling liquid in the water cooling box 32, and the cooling liquid flows back through the water pipe 34, so that the cooling liquid forms circulation conveying, the water cooling box 32 performs water cooling heat dissipation on the driving motor main body 21, and meanwhile, the cooling liquid in the water pipe 34 performs heat dissipation when passing through the cooling fin 33, so that the sustainable use of the cooling liquid is ensured, and the heat generated by the driving motor main body 21 is effectively subjected to water cooling heat dissipation.
The foregoing is merely some embodiments of the present invention and those skilled in the art may make various modifications or alterations to the embodiments of the present invention based on the disclosure herein without departing from the spirit and scope of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Claims (10)
1. A catheter pump comprising: the casing, establish the power unit in the casing, its characterized in that:
the power mechanism comprises a driving motor main body and fan blades, wherein the driving motor main body is arranged in the shell, the fan blades are arranged in the shell, the driving motor main body drives the catheter pump to operate, and the driving motor main body drives the fan blades to operate;
when the power mechanism ensures that the driving motor main body runs, the fan blades cool and dissipate heat at the transmission connection part between the driving motor main body and the working end;
the connecting shaft is perpendicular to the axis of the driving motor main body, a first bevel gear is fixedly arranged on the shaft of the driving motor main body, a second bevel gear is fixedly arranged on the connecting shaft, the first bevel gear is meshed with the second bevel gear, a separation box is fixedly arranged in the shell, the connecting shaft penetrates through the separation box, a transmission shaft is rotationally matched with the separation box, a fan blade is fixedly arranged on the transmission shaft, a third bevel gear is fixedly arranged on the connecting shaft, a fourth bevel gear is fixedly arranged on the transmission shaft, and the fourth bevel gear is meshed with the third bevel gear.
2. The catheter pump of claim 1, wherein: the casing is fixedly provided with a coupler, the coupler is fixedly provided with a guide pipe, the guide pipe is communicated with the coupler, the coupler is fixedly provided with a retaining sleeve, the retaining sleeve is sleeved on the guide pipe, the guide pipe is fixedly provided with a pump body, the pump body is communicated with the guide pipe, the pump body is fixedly provided with a bearing chamber, the bearing chamber is communicated with the pump body, and the bearing chamber is provided with a noninvasive support piece.
3. The catheter pump of claim 2, wherein: one end of the pump body is provided with a blood inlet end, the blood inlet end is used for communicating one end of the pump body with the outside, the other end of the pump body is provided with a blood outlet end, the blood outlet end is used for communicating the other end of the pump body with the outside, a perfusion fluid input end is fixedly arranged on the coupler, and the perfusion fluid input end is communicated with the coupler.
4. A catheter pump as claimed in claim 3, wherein: the power mechanism further comprises a connecting shaft, a first bevel gear, a second bevel gear and a separation box, wherein the driving motor main body is fixedly installed in the shell, and the connecting shaft is in rotary fit with the shell.
5. The catheter pump of claim 4, wherein: the driving motor main body is positioned outside the separation box, the connecting shaft is sealed with the separation box, and the third bevel gear is positioned inside the separation box.
6. The catheter pump of claim 5, wherein: the separation box is provided with a shunt opening, the shell is rotationally matched with a belt wheel, the belt wheel is in power connection with the coupler, a belt is tensioned on the belt wheel and the transmission shaft, the belt penetrates through the shunt opening, and the shunt opening is opposite to the belt wheel.
7. The catheter pump of claim 6, wherein: the fan blade is located one side of the split-flow port, the shell is provided with an air inlet, the air inlet is communicated with the inside of the split-flow port, the air inlet is located one side of the split-flow port, the shell is provided with an air outlet, the air outlet is communicated with the inside of the split-flow port, and the air outlet is located the other side of the split-flow port.
8. The catheter pump of claim 7, wherein: a water cooling mechanism is arranged in the shell; the water cooling mechanism comprises a pump and a water cooling box, the pump is arranged in the shell, the water cooling box is arranged on the driving motor main body, the inlet and outlet ends of the pump are communicated with the water cooling box, and the joint between the pump and the water cooling box extends to the outside of the shell.
9. The catheter pump of claim 8, wherein: the water cooling mechanism further comprises cooling fins and water pipes, the pump is fixedly arranged on the separation box, the pump is located outside the separation box, the water cooling box is fixedly arranged on the driving motor body, the water cooling box is sleeved on the driving motor body, the inlet end of the pump is communicated with the water cooling box, the cooling fins are fixedly arranged on the shell, the cooling fins are located outside the shell, the water pipes are fixedly arranged in the shell, the water pipes penetrate through the wall surface of the shell, the water pipes penetrate through the cooling fins, the water pipes are communicated with the cooling fins, and the water pipes are communicated with the water cooling box.
10. The catheter pump of claim 9, wherein: the connecting shaft is fixedly provided with a worm, the worm is positioned outside the separation box, the separation box is provided with a turbine in a rotating fit mode, the turbine is positioned outside the separation box, the turbine is in power connection with the pump, and the turbine is meshed with the worm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418241.9A CN115804905B (en) | 2022-11-14 | 2022-11-14 | Catheter pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418241.9A CN115804905B (en) | 2022-11-14 | 2022-11-14 | Catheter pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115804905A CN115804905A (en) | 2023-03-17 |
| CN115804905B true CN115804905B (en) | 2024-03-01 |
Family
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Family Applications (1)
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| CN202211418241.9A Active CN115804905B (en) | 2022-11-14 | 2022-11-14 | Catheter pump |
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| Publication number | Publication date |
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| CN115804905A (en) | 2023-03-17 |
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Address after: Room 801, 802, 803, 804, Building 7, No. 188 Fuchunjiang Road, High-tech Zone, Suzhou City, Jiangsu Province, 215163 Applicant after: Xinqing Medical (Suzhou) Co.,Ltd. Address before: Room 801, 802, 803 and 804, Building 7, No. 188 Fuchunjiang Road, High-tech Zone, Suzhou, Jiangsu, 215000 Applicant before: SUZHOU XINQING MEDICAL TECHNOLOGY Co.,Ltd. |
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