CN213252572U - External auxiliary circulation equipment for operation - Google Patents
External auxiliary circulation equipment for operation Download PDFInfo
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- CN213252572U CN213252572U CN202021961006.2U CN202021961006U CN213252572U CN 213252572 U CN213252572 U CN 213252572U CN 202021961006 U CN202021961006 U CN 202021961006U CN 213252572 U CN213252572 U CN 213252572U
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Abstract
The utility model discloses an operation is with external auxiliary circulation equipment belongs to medical instrument technical field, including the base and fix centrifugal blood pump and the elasticity sacculus in the base upper end, the upper end fixedly connected with rectangle frame of base, the rear end inner wall fixedly connected with fixed block of rectangle frame, the right angle breach has been seted up to the front end of fixed block, sliding connection has the stopper in the right angle breach, one side sliding connection of stopper has first spring, first spring is connected with one side of right angle breach, one side fixedly connected with rectangle sliding sleeve of right angle breach, sliding connection has drive mechanism in the rectangle sliding sleeve, centrifugal blood pump's output fixedly connected with pipe. The utility model discloses, can make external auxiliary circulation equipment produce the blood environment of pulsation circulation when the operation, and then provide comparatively real blood circulation annular for the human body to be difficult for damaging the blood component when circulating blood, can be used to long-time circulation blood.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an external auxiliary circulation equipment for operation.
Background
The blood circulation device is mainly used in heart failure auxiliary and extracorporeal auxiliary circulation, is a key technology for replacing the beating and blood circulation of the heart of a human body, has important significance for the treatment and development of critical first aid and cardiovascular diseases, and can be roughly divided into centrifugal pump blood and pulsating pump blood during operation, the centrifugal pump blood can continuously output blood, the pulsating pump blood is mostly in a rolling or pumping mode for small blood damage, the pulsating blood circulation can be generated, and the real heart beating process can be simulated.
At present, the blood circulation provided by a centrifugal blood pump during working can not simulate the pulsating blood environment of a human body, so that the real blood circulation process can not be efficiently provided for human organ tissues, and the blood is directly contacted with mechanical parts of the blood pump to cause damage to components in the blood.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the unable human blood environment of beating of simulation of the blood circulation that centrifugal blood pump provided at the during operation among the prior art, and then unable efficient provides real blood circulation process for human organ tissue, and the problem of damage can be caused to the component in the blood to the mechanical parts direct contact of blood and blood pump, and the operation that provides is with external auxiliary circulation equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an external auxiliary circulation equipment is used in operation, includes the base and fixes centrifugal blood pump and the elasticity sacculus in the base upper end, the upper end fixedly connected with rectangle frame of base, the rear end inner wall fixedly connected with fixed block of rectangle frame, the right angle breach has been seted up to the front end of fixed block, sliding connection has the stopper in the right angle breach, one side sliding connection of stopper has first spring, first spring is connected with one side of right angle breach, one side fixedly connected with rectangle sliding sleeve of right angle breach, sliding connection has drive mechanism in the rectangle sliding sleeve, centrifugal blood pump's output fixedly connected with pipe, the one end of pipe and the lateral wall fixed connection of elasticity sacculus.
Preferably, the transmission mechanism comprises a rectangular rod which is sleeved in the rectangular sliding sleeve in a sliding manner, one end of the rectangular rod penetrates through the rectangular sliding sleeve and is fixedly connected with the center of the limiting block, the rectangular rod is far away from the one end fixedly connected with top plate of the limiting block, a second spring is sleeved on the rod wall of the rectangular rod in a sliding manner, one end of the second spring is fixedly connected with one side of the rectangular sliding sleeve, the other end of the second spring is fixedly connected with one side of the top plate, the upper end of the base is fixedly connected with a motor, an output end of the motor is fixedly connected with an eccentric wheel, and one side of the eccentric wheel is slidably connected with one side of the top plate.
Preferably, one side of the limiting block is fixedly connected with two guide rods, the rod walls of the two guide rods are sleeved with sleeves in a sliding mode, and the pipe walls of the sleeves are fixedly connected with one sides of the right-angle notches.
Preferably, one side fixedly connected with a plurality of evenly distributed's of right angle breach snap ring, it is a plurality of snap ring is C shape structure, the right angle breach passes through snap ring and first spring joint.
Preferably, both sides of the edge of the upper end of the rectangular frame are provided with notches, one notch corresponds to the position of the input end of the centrifugal blood pump, the other notch corresponds to the position of the right-angle notch, the upper end of the rectangular frame is provided with a cover plate, and one side of the cover plate is hinged to one side of the rectangular frame through a hinge.
Compared with the prior art, the utility model provides an operation is with supplementary circulating equipment in vitro possesses following beneficial effect:
1. the extracorporeal auxiliary circulation equipment for the operation is characterized in that a motor is arranged, the motor is started to drive an eccentric wheel to rotate, one side, far away from the axis of the output end of the motor, of the eccentric wheel is extruded to a top plate to enable a rectangular rod to move under stress when the eccentric wheel rotates, the rectangular rod moves to drive a limiting block to extrude a first spring, the first spring is inclined and extrudes a blood transfusion tube when being stressed, so that a blood transfusion hose passing through the first spring is extruded by the first spring to deform, the overflowing area in the deformed blood transfusion hose is reduced, blood conveyed by a centrifugal blood pump is accumulated in an elastic balloon and is elastically deformed, one side, far away from the axis of the output end of the motor, of the eccentric wheel is contacted with the top plate when the eccentric wheel continues rotating, at the moment, a second spring pushes the top plate to enable the rectangular rod to drive the limiting block to reset, the first spring is also elastically reset when the, but also does not easily damage components in the blood.
2. This external auxiliary circulation equipment for operation through the first spring that is equipped with, when the stopper removes, first spring can support between defeated blood vessel and stopper, and defeated blood vessel can't in time recover the original state when avoiding receiving the stopper extrusion, and the guide bar of setting on the stopper can cooperate with the intraoral sleeve pipe of right angle and fix a position the stopper, increases the stability when stopper atress removes.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, can make extra-corporeal auxiliary circulation equipment produce the blood environment of beating circulation when the operation, and then for the human body provides comparatively real blood circulation annular to be difficult for damaging the blood component when circulating blood, can be used to long-time circulation blood.
Drawings
Fig. 1 is a schematic structural view of an extracorporeal circulation apparatus for surgery according to the present invention;
FIG. 2 is a top view of an extracorporeal circulation apparatus for surgery according to the present invention;
fig. 3 is an enlarged view of a structure at a in fig. 2.
In the figure: the device comprises a base 1, a rectangular frame 2, a limiting block 3, a fixing block 4, a motor 5, an eccentric wheel 6, a guide rod 7, a sleeve 8, a centrifugal blood pump 9, a cover plate 10, a second spring 11, a top plate 12, a limiting block 13, a rectangular sliding sleeve 14, a first spring 15, an elastic balloon 16 and a snap ring 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, an extracorporeal circulation device for surgery comprises a base 1, a centrifugal blood pump 9 and an elastic balloon 16 fixed on the upper end of the base 1, a rectangular frame 2 fixedly connected on the upper end of the base 1, a fixed block 4 fixedly connected on the inner wall of the rear end of the rectangular frame 2, a right-angle notch formed at the front end of the fixed block 4, a stopper 3 slidably connected in the right-angle notch, a first spring 15 slidably connected to one side of the stopper 3, the first spring 15 connected to one side of the right-angle notch, a plurality of elastic snap rings 17 uniformly distributed and fixedly connected to one side of the right-angle notch, the plurality of elastic snap rings 17 being C-shaped, the right-angle notch connected to the first spring 15 through the elastic snap rings 17, a rectangular sliding sleeve 14 fixedly connected to one side of the right-angle notch, a transmission mechanism slidably connected in, one end of the catheter is fixedly connected with the side wall of the elastic balloon 16, both sides of the edge of the upper end of the rectangular frame 2 are provided with openings, one opening corresponds to the position of the input end of the centrifugal blood pump 9, the other opening corresponds to the position of the right-angle notch, the upper end of the rectangular frame 2 is provided with a cover plate 10, and one side of the cover plate 10 is hinged with one side of the rectangular frame 2 through a hinge.
Drive mechanism is including sliding the rectangle pole 13 of cup jointing in rectangle sliding sleeve 14, rectangle pole 13's one end pass rectangle sliding sleeve 14 and with stopper 3's center department fixed connection, stopper 3's one end fixedly connected with roof 12 is kept away from to rectangle pole 13, second spring 11 has been cup jointed in the slip on rectangle pole 13's the pole wall, one end and one side fixed connection of rectangle sliding sleeve 14 of second spring 11, the other end of second spring 11 and one side fixed connection of roof 12, base 1's upper end fixedly connected with motor 5, motor 5's output fixedly connected with eccentric wheel 6, one side of eccentric wheel 6 and one side sliding connection of roof 12, two guide bars 7 of one side fixedly connected with of stopper 3, sleeve pipe 8 has all been cup jointed in the slip on the pole wall of two guide bars 7, sleeve pipe 8's pipe wall and one side fixed connection of right angle breach.
In the utility model, when in use, the centrifugal blood pump 9 is connected with the blood circulation tube, then the blood transfusion hose (the dotted part in figure 2) is arranged on the connecting tube of the elastic saccule 16, then the blood transfusion hose passes through the first spring 15 and is led out from the opening on the rectangular frame, the starting motor 5 drives the eccentric wheel 6 to rotate, the side far away from the output shaft center of the motor 5 extrudes the top plate 12 to make the rectangular rod 13 move under stress when the eccentric wheel 6 rotates, the rectangular rod 13 moves to drive the stopper 3 to extrude the first spring 15, the first spring 15 inclines and extrudes the blood transfusion tube under stress, thereby the blood transfusion hose passing through the first spring 15 is deformed after being extruded by the first spring 15, the flow area in the deformed blood transfusion hose is reduced, the blood conveyed by the centrifugal blood pump 9 is accumulated in the elastic saccule 16 and is elastically deformed, the eccentric wheel 6 continues the stronger one side in distance motor 5 output axle center and roof 12 contact when rotatory, second spring 11 promotes roof 12 this moment and makes rectangular rod 13 drive stopper 3 reset, first spring 15 also takes place the elasticity and resets when stopper 3 resets, thereby can make the blood that centrifugal blood pump 9 carried produce the phenomenon of beating in the blood transfusion tube, and also be difficult for haring the interior component of blood, when stopper 3 removes, first spring 15 can support between blood transfusion tube and stopper 3, the unable reconversion of blood transfusion tube in time when avoiding receiving stopper 3 extrusion, guide bar 7 that sets up on stopper 3 can cooperate with the intraoral sleeve pipe 8 of right angle breach and fix a position stopper 3, stability when increasing stopper 3 atress and removing.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. An extracorporeal auxiliary circulation device for operation comprises a base (1), a centrifugal blood pump (9) and an elastic saccule (16) which are fixed at the upper end of the base (1), it is characterized in that the upper end of the base (1) is fixedly connected with a rectangular frame (2), the inner wall of the rear end of the rectangular frame (2) is fixedly connected with a fixed block (4), the front end of the fixed block (4) is provided with a right-angle notch, a limiting block (3) is connected in the right-angle notch in a sliding manner, a first spring (15) is connected on one side of the limiting block (3) in a sliding manner, the first spring (15) is connected with one side of the right-angle notch, one side of the right-angle notch is fixedly connected with a rectangular sliding sleeve (14), the blood pump is characterized in that a transmission mechanism is connected in the rectangular sliding sleeve (14) in a sliding mode, the output end of the centrifugal blood pump (9) is fixedly connected with a catheter, and one end of the catheter is fixedly connected with the side wall of the elastic balloon (16).
2. The extracorporeal circulation apparatus for surgery as set forth in claim 1, the transmission mechanism comprises a rectangular rod (13) which is sleeved in a rectangular sliding sleeve (14) in a sliding way, one end of the rectangular rod (13) passes through the rectangular sliding sleeve (14) and is fixedly connected with the center of the limiting block (3), one end of the rectangular rod (13) far away from the limiting block (3) is fixedly connected with a top plate (12), a second spring (11) is sleeved on the rod wall of the rectangular rod (13) in a sliding manner, one end of the second spring (11) is fixedly connected with one side of a rectangular sliding sleeve (14), the other end of the second spring (11) is fixedly connected with one side of the top plate (12), the upper end of the base (1) is fixedly connected with a motor (5), the output end of the motor (5) is fixedly connected with an eccentric wheel (6), one side of the eccentric wheel (6) is connected with one side of the top plate (12) in a sliding way.
3. The extracorporeal circulation device for surgery as recited in claim 1, wherein two guide rods (7) are fixedly connected to one side of the limiting block (3), sleeves (8) are slidably sleeved on the rod walls of the two guide rods (7), and the tube wall of each sleeve (8) is fixedly connected to one side of the right-angle notch.
4. The extracorporeal circulation device for surgery as recited in claim 1, wherein a plurality of elastic snap rings (17) are evenly distributed and fixedly connected to one side of the right-angle notch, each elastic snap ring (17) is of a C-shaped structure, and the right-angle notch is clamped with the first spring (15) through the elastic snap ring (17).
5. The extracorporeal circulation assisting device for surgery as recited in claim 1, wherein both sides of the upper edge of the rectangular frame (2) are opened with a notch, one of the notches corresponds to the position of the input end of the centrifugal blood pump (9), the other notch corresponds to the position of the right-angle notch, the upper end of the rectangular frame (2) is provided with a cover plate (10), and one side of the cover plate (10) is hinged with one side of the rectangular frame (2) through a hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021961006.2U CN213252572U (en) | 2020-09-10 | 2020-09-10 | External auxiliary circulation equipment for operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021961006.2U CN213252572U (en) | 2020-09-10 | 2020-09-10 | External auxiliary circulation equipment for operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213252572U true CN213252572U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021961006.2U Active CN213252572U (en) | 2020-09-10 | 2020-09-10 | External auxiliary circulation equipment for operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213252572U (en) |
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2020
- 2020-09-10 CN CN202021961006.2U patent/CN213252572U/en active Active
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