Universal support device suitable for magnetic suspension type blood pump

Abstract

The utility model discloses a universal bracket device suitable for a magnetic suspension type blood pump. The universal bracket device comprises a fixed seat, a universal bracket and a motor mounting seat, the fixed seat and the motor mounting seat are both connected with a universal ball head; the universal support comprises a locking mechanism, a first shell sleeve, a second shell sleeve, a first universal ball head sleeve and a second universal ball head sleeve. One end of the first shell sleeve is connected with the first rotating sleeve, the other end of the first shell sleeve is connected with the first universal ball head sleeve, and the universal ball head of the fixed seat is mounted on the first universal ball head sleeve; one end of the second shell sleeve is connected with the second rotating sleeve, the other end of the second shell sleeve is connected with the second universal ball head sleeve, and the universal ball head of the motor installation base is installed on the second universal ball head sleeve. The height and the inclination angle of the magnetic suspension centrifugal blood pump can be adjusted at will, and a doctor can conveniently conduct pre-charging, pressure adjusting and other operation on the magnetic suspension centrifugal blood pump in the test extracorporeal circulation or ECMO equipment implementation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to a magnetic suspension blood pump fixing device, more particularly to a universal support device suitable for a magnetic suspension blood pump. BACKGROUND

[0002] The magnetic suspension blood pump is suspended through magnetic force, and blood is delivered to the circulation system of the human body in the mode of mechanical pump to assist or replace the blood pumping function of the natural heart. In the clinical practice, the doctor needs to perform pre-charging, pressure adjustment and other operations on the magnetic suspension blood pump during the implementation of extracorporeal circulation or ECMO equipment. This requires constant adjustment of the motor placement height and inclination angle of the magnetic suspension blood pump to meet different use requirements. SUMMARY

[0003] The utility model aims at providing a universal support device suitable for a magnetic suspension blood pump, and aims to solve the problem of adjusting the height and inclination angle of the magnetic suspension centrifugal blood pump.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A universal support device suitable for a magnetic suspension blood pump, the device comprises a fixing seat, a universal support and a motor mounting seat;

[0006] The fixing seat and the motor mounting seat are both connected with a universal ball head;

[0007] The universal support comprises a locking mechanism, a first housing sleeve, a second housing sleeve, a first universal ball head sleeve and a second universal ball head sleeve;

[0008] The locking mechanism comprises a first pressing block, a first rotating sleeve, a first top rod, a second top rod, a second rotating sleeve, a second pressing block and a first knob;

[0009] The first pressing block and the second pressing block are both provided with an inclined surface, so that the first pressing block can be partially accommodated in the first rotating sleeve, and the second pressing block can be partially accommodated in the second rotating sleeve; the first pressing block is further integrally connected with a stud;

[0010] The side part of the first rotating sleeve and the second rotating sleeve is provided with an opening;

[0011] One end of the first housing sleeve is connected with the opening of the first rotating sleeve, and the other end is connected with the first universal ball head sleeve; the universal ball head of the fixing seat is mounted in the first universal ball head sleeve;

[0012] One end of the second housing sleeve is connected with the opening of the second rotating sleeve, and the other end is connected with the second universal ball head sleeve, and the universal ball head of the motor mounting seat is mounted in the second universal ball head sleeve;

[0013] The stud of the first pressing block is sequentially threaded through the first rotating sleeve, the second rotating sleeve, the second pressing block and is screwed to the first knob;

[0014] One end of the first top rod and the second top rod is provided with an arc-shaped part;

[0015] The first top rod is arranged in the first housing sleeve, and the arc-shaped part thereof abuts against the inclined guide surface of the first pressing block, and the other end thereof abuts against the universal ball head of the fixed seat;

[0016] The second top rod is arranged in the second housing sleeve, and the arc-shaped part thereof abuts against the inclined guide surface of the second pressing block, and the other end thereof abuts against the universal ball head of the motor mounting seat.

[0017] Preferably, a ball head friction piece is arranged between the end of the first top rod and the first universal ball head;

[0018] A ball head friction piece is arranged between the end of the second top rod and the second universal ball head.

[0019] Preferably, a gasket is arranged between the second pressing block and the knob.

[0020] Preferably, the fixed seat comprises a U-shaped clamp, one end of the U-shaped clamp is screwed with a threaded rod, one end of the threaded rod is connected with a clamping piece, and the other end is connected with a second knob.

[0021] Preferably, the motor mounting seat comprises a buckle fixing base and an adapter seat, the buckle fixing base is provided with a plurality of buckle mechanisms, the adapter seat is provided with a plurality of corresponding buckle grooves, the adapter seat is used for being fixed to the bottom of the motor of the magnetic suspension blood pump, and the buckle fixing base and the adapter seat are connected and fixed through the buckling of the buckle mechanism in the corresponding buckle groove.

[0022] Preferably, the buckle mechanism comprises a mounting groove, a pin shaft is arranged in the mounting groove, a buckle is rotatably connected with the pin shaft, one end of the buckle abuts against one end of a spring, and the other end of the spring abuts against the bottom of the mounting groove.

[0023] The advantages of the utility model lie in:

[0024] The universal support device suitable for the magnetic suspension blood pump can realize random adjustment of the height and the inclination angle of the magnetic suspension centrifugal blood pump, and facilitates doctors to perform pre-charging, pressure adjustment and other operations on the magnetic suspension blood pump in the implementation process of extracorporeal circulation or ECMO equipment. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 and Figure 2 is the main structure diagram of the universal support device suitable for the magnetic suspension blood pump of the utility model;

[0026] Figure 3 is the structure diagram of the universal support of the utility model;

[0027] Figure 4 is the exploded structure diagram of the universal support of the utility model;

[0028] Figure 5 is the local structure diagram of the locking mechanism of the utility model;

[0029] Figure 6 is the local structure diagram of the universal support of the utility model;

[0030] Figure 7 and Figure 8 is the structure diagram of the fixed seat of the utility model;

[0031] Figures 9 to 11 is the structure diagram of the motor mounting seat of the utility model. DETAILED DESCRIPTION

[0032] The utility model will be described further in detail in combination with the drawings and embodiments.

[0033] Referring to the drawings Figure 1 and Figure 2 , it is the main structure of the universal support device suitable for the magnetic suspension blood pump. As shown in Figure 1 , the universal support device suitable for the magnetic suspension blood pump provided by the embodiment is used with the suspension blood pump, which comprises a fixed seat 10, a universal support 20 and a motor mounting seat 30. The fixed seat 10 is used for fixing the device to the equipment trolley, the infusion support or other stable positions. The motor 40 of the suspension blood pump is installed on the motor mounting seat 30. Through the device, the position of the motor 40 of the magnetic suspension blood pump can be quickly adjusted, and the height and the inclination angle of the motor 40 are randomly adjusted.

[0034] Referring to the drawings Figure 3 and Figure 4 , the universal support 20 comprises a locking mechanism 21, a first outer shell sleeve 22, a second outer shell sleeve 23, a first universal ball head sleeve 24 and a second universal ball head sleeve 25. The fixed seat 10 and the motor mounting seat 30 are connected with a universal ball head 26.

[0035] The locking mechanism 21 comprises a first pressing block 211, a first rotating sleeve 212, a first top rod 213, a second top rod 214, a second rotating sleeve 215, a second pressing block 216 and a first knob 217. The first pressing block 211 and the second pressing block 216 each have an inclined surface 218, so that the first pressing block 211 can be partially accommodated in the first rotating sleeve 212 and the second pressing block 216 can be partially accommodated in the second rotating sleeve 215; the first pressing block 211 is integrally connected with a stud. The first rotating sleeve 212 and the second rotating sleeve 215 each have an opening on the side.

[0036] One end of the first housing sleeve 22 is connected with the opening of the first rotating sleeve 212, and the other end is connected with the first universal ball head sleeve 24, and the universal ball head 26 of the fixed seat 10 is installed in the first universal ball head sleeve 24. One end of the second housing sleeve 23 is connected with the opening of the second rotating sleeve 215, and the other end is connected with the second universal ball head sleeve 25, and the universal ball head 26 of the motor mounting seat 30 is installed in the second universal ball head sleeve 25.

[0037] The stud of the first pressing block 211 passes through the first rotating sleeve 212, the second rotating sleeve 215 and the second pressing block 216 in sequence and is screwed to the first knob 217, and a gasket 219 is arranged between the second pressing block 216 and the knob. One end of the first top rod 213 and the second top rod 214 is provided with an arc-shaped portion. The first top rod 213 is arranged in the first housing sleeve 22, and the arc-shaped portion thereof abuts against the inclined surface 218 of the first pressing block 211, and the other end thereof abuts against the universal ball head 26 of the fixed seat 10. Optionally, a ball head friction piece 27 is arranged between the end of the first top rod 213 and the first universal ball head 26. The second top rod 214 is arranged in the second housing sleeve 23, and the arc-shaped portion thereof abuts against the inclined surface 218 of the second pressing block 216, and the other end thereof abuts against the universal ball head 26 of the motor mounting seat 30. Optionally, a ball head friction piece 27 is arranged between the end of the second top rod 214 and the second universal ball head 26.

[0038] The locking mechanism 21 and the two universal ball heads 26 constitute three rotating joints of the device, the locking mechanism 21 can rotate in the plane direction, and is used for folding and unfolding the device. The two universal ball heads 26 can rotate in the three-dimensional space, and are used for adjusting the angle of the device. The locking mechanism 21 can limit the rotation and folding function of the device, when the locking mechanism 21 is locked, the whole device is completely fixed and cannot be moved, and when the locking mechanism 21 is unlocked, the posture of the device can be manually adjusted.

[0039] Referring to the drawings Figure 5 and Figure 6, the first pressing block 211 is loaded into the first rotating sleeve 212 from the left side, the second pressing block 216 is loaded into the second rotating sleeve 215 from the right side, the stud of the first pressing block 211 is screwed with the first knob 217 after passing through the center hole of the second pressing block 216 and the gasket 219. When the first knob 217 is screwed, the first pressing block and the inclined guide surface 218 move to the right, the first top rod 213 is pressed and moves downward, the other end of the first top rod 213 presses the corresponding universal ball head 26 of the ball head friction plate 27, so that the universal ball head 26 is limited in the first universal ball head sleeve 24. The second pressing block 216 and the inclined guide surface 218 move to the left, the second top rod 214 is pressed and moves upward, the other end of the second top rod 214 presses the corresponding universal ball head 26 of the ball head friction plate 27, so that the universal ball head 26 is limited in the second universal ball head sleeve 25. And the length of the inclined guide surface 218 of the first pressing block 211 and the second pressing block 216 is small, the first top rod 213 and the second top rod 214 only move a small distance, and the corresponding universal ball head 26 can be completely limited by friction. At the same time, the first rotating sleeve 212 and the second rotating sleeve 215 are pressed in the process, when the first knob 217 is completely screwed, the first top rod 213 and the second top rod 214 reach the maximum position, the ball head friction plate 27 is completely pressed against the corresponding universal ball head 26, the universal ball head 26 cannot rotate, the first rotating sleeve 212 and the second rotating sleeve 215 are completely pressed and cannot rotate, at this time the device is in a locked state. When the first knob 217 is loosened, the second pressing block 216 moves to the right and the first pressing block 211 moves to the left with the thread, the first top rod 213 and the second top rod 214 fall back, the ball head friction plate 27 falls back, the universal ball head 26 is released and can rotate freely, the friction between the first rotating sleeve 212 and the second rotating sleeve 215 is reduced and can rotate freely. At this time the device returns to a freely adjustable state. In the state of loosening the first knob 217, there is a small gap between the ball head friction plate 27 and the universal ball head 26.

[0040] Referring to the accompanying drawings Figure 7 and Figure 8 , the fixed seat 10 includes a U-shaped clamp 11, one end of the U-shaped clamp 11 is screwed with a threaded rod 12, one end of the threaded rod 12 is connected with a clamping piece 13, and the other end is connected with a second knob 14. When the second knob 14 is rotated clockwise, the clamping piece continuously moves forward, and the distance between the clamping piece 13 and the other end of the U-shaped clamp 11 continuously decreases. Taking the cylindrical support fixed on the equipment trolley as an example, as the clamping piece 13 continuously approaches the other end of the U-shaped clamp 11, the cylindrical support of the equipment trolley can be completely clamped and fixed by relying on the friction force.

[0041] Referring to the accompanying drawings Figures 9 to 11The motor mounting seat 30 comprises a buckle fixing base 31 and an adapter seat 32, the buckle fixing base 31 is provided with a plurality of buckle mechanisms, the adapter seat 32 is provided with a plurality of corresponding buckle grooves 37, the adapter seat 32 is used for being fixed to the bottom of the motor 40 of the magnetic levitation blood pump, the buckle mechanism is buckled in the corresponding buckle groove 37, so that the buckle fixing base 31 and the adapter seat 32 are connected and fixed. The buckle mechanism comprises a mounting groove 33, a pin shaft 34 is installed in the mounting groove 33, a buckle 35 is rotatably connected to the pin shaft 34, one end of the buckle 35 abuts one end of a spring 36, the other end of the spring 36 abuts the bottom of the mounting groove 33.

[0042] It should be noted that, in the description of the present application, the terms "center", "upper", "lower", "vertical", "horizontal", "front", "back", "left", "right" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0043] In addition, it should also be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] The term "includes" or any other similar term is intended to cover non-exclusive inclusion, so that the article or device / apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent to the article or device / apparatus.

[0045] The above is the preferred embodiment of the present application and the technical principle used thereby, for those skilled in the art, any equivalent transformation, simple replacement, etc. based on the technical solution of the present application without departing from the spirit and scope of the present application, all belong to the protection scope of the present application.

Claims

1. A universal bracket device suitable for a magnetic levitation blood pump, characterized in that: The device includes a fixing seat, a universal bracket and a motor mounting seat; The fixing seat and the motor mounting seat are both connected to a universal ball joint; The universal bracket includes a locking mechanism, a first outer shell sleeve, a second outer shell sleeve, a first universal ball head sleeve and a second universal ball head sleeve; The locking mechanism includes a first pressing block, a first rotating sleeve, a first push rod, a second push rod, a second rotating sleeve, a second pressing block and a first knob; The first pressing block and the second pressing block each have an inclined guide surface, so that the first pressing block can be partially accommodated in the first rotating sleeve and the second pressing block can be partially accommodated in the second rotating sleeve; the first pressing block is also integrally connected to a stud; The first rotating sleeve and the second rotating sleeve are both provided with an opening on their sides; One end of the first outer sleeve is connected to the opening of the first rotating sleeve, and the other end is connected to the first universal ball joint sleeve, and the universal ball head of the fixing seat is installed on the first universal ball joint sleeve; One end of the second outer shell sleeve is connected to the opening of the second rotating sleeve, and the other end is connected to the second universal ball joint sleeve, and the universal ball head of the motor mounting seat is installed on the second universal ball joint sleeve; The stud of the first pressing block passes through the first rotating sleeve, the second rotating sleeve, and the second pressing block in sequence and is screwed to the first knob; One end of each of the first push rod and the second push rod is provided with an arc portion; The first push rod is inserted into the first outer sleeve, with its arc-shaped portion abutting against the inclined guide surface of the first pressing block, and the other end abutting against the universal ball head of the fixing seat; The second push rod is inserted into the second outer shell sleeve, with its arc portion abutting against the inclined guide surface of the second pressing block, and the other end abutting against the universal ball head of the motor mounting seat.

2. The universal bracket device for a magnetically suspended blood pump according to claim 1, characterized in that: A ball head friction plate is provided between the end of the first push rod and the first universal ball head; A ball head friction plate is provided between the end of the second push rod and the second universal ball head.

3. The universal bracket device for a magnetically suspended blood pump according to claim 1, characterized in that: A gasket is provided between the second pressing block and the knob.

4. The universal bracket device for a magnetically suspended blood pump according to claim 1, wherein: The fixing seat includes a U-shaped clamp, one end of the U-shaped clamp is screwed to a threaded rod, one end of the threaded rod is connected to a clamping piece, and the other end is connected to a second knob.

5. The universal bracket device for a magnetically suspended blood pump according to claim 1, wherein: The motor mounting base includes a snap-on fixing base and an adapter base. The snap-on fixing base is provided with multiple snap-on mechanisms, and the adapter base is provided with multiple corresponding snap-on grooves. The adapter base is fixed to the bottom of the motor of the magnetic levitation blood pump, and the snap-on fixing base is connected and fixed to the adapter base by snapping the snap-on mechanisms into the corresponding snap-on grooves.

6. The universal bracket device for a magnetically suspended blood pump according to claim 5, characterized in that: The buckle mechanism includes a mounting groove, a pin is installed in the mounting groove, a buckle is rotatably connected to the pin, one end of the buckle abuts one end of a spring, and the other end of the spring abuts the bottom of the mounting groove.

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