CN215083039U - Rolling pump control device for extracorporeal circulation - Google Patents
Rolling pump control device for extracorporeal circulation Download PDFInfo
- Publication number
- CN215083039U CN215083039U CN202120282103.7U CN202120282103U CN215083039U CN 215083039 U CN215083039 U CN 215083039U CN 202120282103 U CN202120282103 U CN 202120282103U CN 215083039 U CN215083039 U CN 215083039U
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- Prior art keywords
- pipe
- pump body
- fixed
- control device
- tube
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- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 title claims abstract description 18
- 230000004087 circulation Effects 0.000 title claims description 16
- 239000008280 blood Substances 0.000 abstract description 13
- 210000004369 blood Anatomy 0.000 abstract description 13
- 230000017531 blood circulation Effects 0.000 abstract description 12
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007675 cardiac surgery Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a rolling pump controlling means for extrinsic cycle, which comprises a pump body, pump body bottom center is provided with perpendicularly rotates the post, rotate post outside fixedly connected with polylith rotor plate, it rotates the inside rotation motor that is provided with of post to rotate, pump body lateral wall runs through and is provided with the fixed pipe of first fixed pipe and second, first fixed pipe with be connected with the pipe between the fixed intraductal end of second, first fixed pipe or the fixed intraductal outer end of second is connected with attracts the pipe, attract the intraductal check valve that is provided with of pipe, be provided with pressure sensor on the check valve, pressure sensor with it connects to rotate the motor, the rotor plate extrudees the pipe. The utility model provides a rolling pump controlling means for extrinsic cycle, when suction intraductal blood flow or gaseous direction are reverse, automatic control rotates the motor and changes the rotation direction, drives rotor plate backward extrusion pipe, changes blood flow or gaseous direction to guarantee in time smoothly to return blood from the interior drainage of operation field of vision.
Description
Technical Field
The utility model relates to a medical instrument especially relates to a rolling pump controlling means for extracorporeal circulation.
Background
During the extracorporal circulatory system operation of cardiac surgery, need in time to suck away operation regional blood, guarantee clear bloodless operation field of vision on the one hand, be convenient for show, on the other hand pump the effect of protection and using blood wisely into patient's arterial system once more after filtering, external oxygenation with the blood of retrieving. The common method is to utilize one of the external circulation machines to squeeze the pump tube to generate negative pressure, connect the intracardiac drainage tube and recover the blood to the blood storage tank. The direction of blood flow depends on the rotation direction of the pump head of the rolling pump, so that before a medical operation, in order to ensure the correct direction of blood flow, special personnel are required to be arranged to check the direction of blood flow in the pipeline every time, and once the examination is forgotten before the operation, the phenomenon of backward flowing of blood flow or gas direction is easy to occur, and serious medical accidents are easily caused.
Chinese utility model patent CN201120281710.8 discloses an extracorporeal circulation venous loop of a blood purification device, which can solve the above problems by providing a reverse flow prevention device on the catheter. But the device can only avoid blood or gaseous backward flow to get into the patient internal when using, in case blood or gaseous backward flow time, need medical personnel in time to change the rolling pump head rotation direction to guarantee smoothly to flow back blood from the operation field of vision, but if the patient's state of an illness is serious, or when medical personnel's staff is not enough, rely on medical personnel's manual regulation alone often can not in time operate, therefore easily and delay patient's treatment time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing a rolling pump control device for extracorporeal circulation.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a roller press pump control device for extracorporeal circulation, comprising:
the pump body is of a cylindrical structure and is hollow inside;
the rotating column is vertically arranged at the center of the bottom in the pump body, a plurality of rotating plates are fixedly connected to the outer side of the rotating column, the rotating plates are vertical to the bottom of the pump body, and a rotating motor is arranged in the rotating column;
the first fixed pipe and the second fixed pipe respectively penetrate through the side wall of the pump body;
the guide pipe is attached to the inner wall of the pump body in a surrounding mode, and two ends of the guide pipe are correspondingly connected with the inner ends of the first fixed pipe and the second fixed pipe respectively;
the suction tube is connected with the outer end part of the first fixed tube or the second fixed tube, a one-way valve is arranged in the suction tube, a pressure sensor is arranged on one side, close to the first fixed tube or the second fixed tube, of the one-way valve, and the pressure sensor is connected with the rotating motor;
wherein, in the initial state, the rotating plate is far away from one end of the rotating column and extrudes the conduit.
Preferably, a transparent top cover is detachably arranged at the top of the pump body.
Preferably, the first fixing tube or the second fixing tube is screwed with the suction tube.
Preferably, the pressure sensor is connected to the rotating electric machine via an electrical line.
Preferably, the length of the rotating column is 1/2-2/3 of the inner height of the pump body.
Preferably, the first fixing pipe and the second fixing pipe are detachably connected with two ends of the guide pipe respectively.
The utility model discloses following beneficial effect has: through the setting of rotating the post, rotating motor and pressure sensor, when the pressure sensor on check valve surface monitors that to attract intraductal blood flow or gaseous direction reverse, the inside rotation motor of automatic control rotation post changes the rotation direction to drive rotor plate backward extrusion pipe, change blood flow or gaseous direction, in order to guarantee in time smoothly with blood from the operation field of vision in the drainage back.
Drawings
Fig. 1 is a perspective view of a rolling pump control device for extracorporeal circulation according to the present invention.
Fig. 2 is a schematic structural view of the rotating plate of the present invention.
Fig. 3 is a plan view of the rolling pump control device for extracorporeal circulation according to the present invention.
Description of the reference numerals
1. A pump body; 2. rotating the column; 3. a rotating plate; 4. a first stationary tube; 5. a second stationary tube; 6. a conduit; 7. a suction tube; 8. a one-way valve.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather as being provided for the purpose of providing a thorough and complete disclosure. In the drawings, the size and relative sizes of structures and regions may be exaggerated for clarity.
As shown in fig. 1-3, the utility model provides a rolling pump controlling means for extracorporeal circulation, including the pump body 1, rotate post 2, rotor plate 3, first fixed pipe 4, the fixed pipe 5 of second, pipe 6, attract pipe 7 and check valve 8. The pump body 1 is used as a rolling pump, is of a cylindrical structure and is hollow inside; the rotating column 2 is vertically arranged at the center of the bottom in the pump body 1, a plurality of rotating plates 3 are fixedly connected to the outer side of the rotating column 2, the number of the rotating plates 3 is two in the embodiment and symmetrically arranged on two sides of the rotating column 2, the rotating plates 3 are perpendicular to the bottom of the pump body 1, a rotating motor is arranged in the rotating column 2, a shaft of the rotating motor is connected with the bottom of the pump body 1, the rotating column 2 is driven to rotate by the rotating motor, and in the embodiment, when blood needs to be drained back from an operation visual field, the rotating column 2 is controlled to rotate clockwise and forwardly by the rotating motor;
the first fixed pipe 4 and the second fixed pipe 5 are respectively arranged on the side wall of the pump body 1 in a penetrating way; the guide pipe 6 is arranged on the inner wall of the pump body 1 in a fitting ring mode, and two ends of the guide pipe are correspondingly connected with the inner ends of the first fixed pipe 4 and the second fixed pipe 5 respectively; the suction tube 7 is connected with the outer end part of the first fixed tube 4 or the second fixed tube 5, a one-way valve 8 is arranged in the suction tube 7, a pressure sensor is arranged on one side, close to the first fixed tube 4 or the second fixed tube 5, of the one-way valve 8, and the pressure sensor is connected with a rotating motor; in the initial state, the end of the rotating plate 3 far away from the rotating column 2 presses the conduit 6.
Further, the top of the pump body 1 is detachably provided with a transparent top cover, and the internal condition of the pump body 1 can be checked through the transparent top cover, such as whether the conduit 6 is blocked or bent.
Further, the first fixing tube 4 or the second fixing tube 5 is in threaded connection with the suction tube 7, so that the disassembly is convenient, and the tight connection can be ensured.
Furthermore, the pressure sensor is connected with the rotating motor through an electric lead, and the electric lead is connected when the pressure sensor is used.
Further, the length of the rotating column 2 is 1/2-2/3 of the internal height of the pump body 1, so that the rotating column 2 can rotate in the pump body 1 conveniently.
Further, the first fixing pipe 4 and the second fixing pipe 5 are detachably connected with two ends of the guide pipe 6 respectively, so that the guide pipe 6 is convenient to detach and clean.
The utility model provides a rolling pump controlling means for extrinsic cycle is when using, because attract pipe 7 can selectively connect on first fixed pipe 4 or on the fixed pipe 5 of second, and the pipeline difference of connection can cause the blood flow direction different, the rotation direction of rolling pump rotation post 2 is different in addition, also can cause the blood flow direction different, through rotating post 2 in this scheme, rotate motor and pressure sensor's setting, when the pressure sensor on check valve 8 surface monitors that attracts pipe 7 interior blood flow direction is reverse, the inside rotation motor of automatic control rotation post 2 changes the rotation direction, thereby drive 3 backward extrusion pipes 6 of rotor plate, change blood flow or gas direction, in order to guarantee in time smoothly to come back the blood drainage from the operation field of vision.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (6)
1. A roller press pump control device for extracorporeal circulation is characterized by comprising:
the pump body is of a cylindrical structure and is hollow inside;
the rotating column is vertically arranged at the center of the bottom in the pump body, a plurality of rotating plates are fixedly connected to the outer side of the rotating column, the rotating plates are vertical to the bottom of the pump body, and a rotating motor is arranged in the rotating column;
the first fixed pipe and the second fixed pipe respectively penetrate through the side wall of the pump body;
the guide pipe is attached to the inner wall of the pump body in a surrounding mode, and two ends of the guide pipe are correspondingly connected with the inner ends of the first fixed pipe and the second fixed pipe respectively;
the suction tube is connected with the outer end part of the first fixed tube or the second fixed tube, a one-way valve is arranged in the suction tube, a pressure sensor is arranged on one side, close to the first fixed tube or the second fixed tube, of the one-way valve, and the pressure sensor is connected with the rotating motor;
wherein, in the initial state, the rotating plate is far away from one end of the rotating column and extrudes the conduit.
2. The rolling pump control device for extracorporeal circulation according to claim 1, wherein a transparent top cover is detachably disposed on the top of the pump body.
3. The rolling pump control device for extracorporeal circulation according to claim 1, wherein the first fixed tube or the second fixed tube is screwed with the suction tube.
4. The roll pump control device for extracorporeal circulation according to claim 1, wherein the pressure sensor is connected to the rotary motor through an electrical lead.
5. The rolling pump control device for extracorporeal circulation according to claim 1, wherein the length of the rotary column is 1/2-2/3 of the internal height of the pump body.
6. The rolling pump control device for extracorporeal circulation according to claim 1, wherein the first fixed tube and the second fixed tube are detachably connected to both ends of the guide tube, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120282103.7U CN215083039U (en) | 2021-02-01 | 2021-02-01 | Rolling pump control device for extracorporeal circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120282103.7U CN215083039U (en) | 2021-02-01 | 2021-02-01 | Rolling pump control device for extracorporeal circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215083039U true CN215083039U (en) | 2021-12-10 |
Family
ID=79333544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120282103.7U Expired - Fee Related CN215083039U (en) | 2021-02-01 | 2021-02-01 | Rolling pump control device for extracorporeal circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215083039U (en) |
-
2021
- 2021-02-01 CN CN202120282103.7U patent/CN215083039U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |