CN214911435U - Self-pressurization flow-switching system - Google Patents

Self-pressurization flow-switching system Download PDF

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Publication number
CN214911435U
CN214911435U CN202023077244.XU CN202023077244U CN214911435U CN 214911435 U CN214911435 U CN 214911435U CN 202023077244 U CN202023077244 U CN 202023077244U CN 214911435 U CN214911435 U CN 214911435U
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pump head
shell
sensor
autologous
blood
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CN202023077244.XU
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张鸿坤
祝茜茜
李栋林
何杨燕
王晓辉
汪洵
曾庆龙
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First Affiliated Hospital of Zhejiang University School of Medicine
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First Affiliated Hospital of Zhejiang University School of Medicine
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Abstract

The utility model discloses an autologous pressurization system of shunting, which comprises an outer shell, driving motor, switching power supply, pressure sensor, the main control board, the pump head, switch, bubble sensor, button display element and adjust knob, driving motor's rear side is equipped with the encoder, be equipped with flow sensor on the pump head, the pump head import is through the blood supply position of taking out blood vessel connection, the pump head export is through blood transfusion tube connection treatment blood supply position, pressure sensor passes through a detection pipeline and connects the pump head export, bubble sensor connects on blood transfusion tube, driving motor is connected to the main control board, the encoder, flow sensor, pressure sensor, bubble sensor, adjust knob and button display element. The utility model discloses small in size, simple structure, convenient operation can realize the autologous diversion, ensures the filling of two side brains in the art, and two side brains fill when guaranteeing the diversion and press accurate adjustable to can contain the bubble in real time monitoring blood supply pressure, blood supply flow and the blood, ensure low wound and low risk.

Description

Self-pressurization flow-switching system
Technical Field
The utility model belongs to the field of medical equipment, especially, relate to an autologous pressurization diversion system.
Background
When the aortic arch part lesion is involved in minimally invasive intracavity treatment, the aorta covered stent needs to be anchored on the ascending aorta and covered on the aortic arch. At this time, the three branches of the superior arch artery were not bleeding, and the brain was in an ischemic state. To avoid this, extracorporeal circulation devices are often used to ensure blood supply to the brain. However, there are many disadvantages in extracorporeal circulation during the aortic in-situ triple-fenestration operation, for example, the common operation in the operation is to draw blood from femoral vein, input the blood from right axillary artery after oxygenation by extracorporeal circulation device, and enter the right vertebral artery and right carotid artery, thereby ensuring blood supply to right brain and cerebellum. If the patient has a clear intracranial Wills loop, there is enough blood supply to the brain on one side to ensure bilateral cerebral blood supply. However, if the Wills loop is not sound, the left brain is in an ischemic state even with extracorporeal circulation; the conventional extracorporeal circulation device has the disadvantages of large volume, complex operation and increased risk and difficulty of operation, and is not suitable for minimally invasive (low trauma and low risk) intracavity treatment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the defect and not enough that exist among the above-mentioned prior art, provide a small in size, simple structure, convenient operation can realize the autologous diversion, ensures the perfusion of two side brains in the art, and two side brains fill when can ensure the diversion and press accurate adjustable to whether contain the bubble in can real time monitoring blood supply pressure, blood supply flow and the blood, ensure the autologous pressurization diversion system of low wound and low risk.
The technical scheme of the utility model: the utility model provides an autologous pressurization system of changeing class, includes the shell, installs at inside driving motor, switching power supply, pressure sensor and the main control board of shell and installs pump head, switch, bubble sensor, key display unit and the adjust knob in the shell outside, driving motor drive pump head action, and driving motor's rear side is equipped with the encoder, be equipped with flow sensor on the pump head, the pump head import is through drawing blood vessel connection blood supply position, and the pump head export treats blood supply position through defeated blood vessel connection, pressure sensor connects the pump head export through a detection pipeline, bubble sensor connects on defeated blood vessel, driving motor, encoder, flow sensor, pressure sensor, bubble sensor, adjust knob and key display unit are connected to the main control board.
The utility model discloses small in size, simple structure, convenient operation can realize the autologous diversion, ensures the filling of two side brains in the art, and two side brains fill when can ensure the diversion and press accurate adjustable to whether contain the bubble in can real time monitoring blood supply pressure, blood supply flow and the blood, ensure low wound and low risk.
Preferably, driving motor is brushless DC motor, be equipped with the brushless driver of cooperation brushless DC motor in the shell, the pump head is installed in the front of shell, and brushless DC motor's motor shaft is worn out the shell and is connected with the pump head.
The structure ensures that the action of the driving motor driving the pump head is more stable and reliable.
Preferably, the top of the front surface of the housing is obliquely arranged, the key display unit and the adjusting knob are arranged on the inclined surface, and an operation interface matched with the key display unit is arranged on the inclined surface.
The structure is convenient for a user to observe and operate.
Preferably, the back of shell is equipped with the back shroud, the lower part of back shroud is equipped with terminal, fuse box and waterproof cable joint, the inboard bottom of shell is equipped with the terminal row seat, the terminal row seat is close to the back shroud.
The structure ensures the safety and reliability of the connection.
Preferably, the pump head passes through the pump head fixed plate to be fixed at the positive middle part of shell, bubble sensor passes through the bubble sensor fixed plate to be fixed in the positive one side of shell, switch installs the side at the shell, the pump head is the TH152 pump head, flow sensor is hall sensor, bubble sensor is ultrasonic sensor.
The pump head and the bubble sensor are ensured to be installed firmly and work stably by the structure.
Preferably, the pressure sensor is connected to the detection conduit by a luer-luer connector, the luer-luer connector is located on the same side as the bubble sensor, and the power switch is located on the opposite side from the bubble sensor.
The structure ensures that the pressure sensor is stably and reliably connected with the detection pipeline.
Preferably, the top of the shell is provided with a handle and a handle frame matched with the handle, and the handle is rotatably connected to the handle frame.
The structure enables the lifting device to be portable and convenient to carry and carry.
Preferably, one side of pump head is equipped with the pipe strap base of cooperation pump head import and pump head export, and pump head import and pump head export all are equipped with the spring pipe fastener and the torsional spring of cooperation pipe strap base.
The structure ensures that the pump head is firmly and reliably connected with the blood pumping pipe and the pump head is reliably connected with the blood transfusion pipe.
Preferably, the bottom of shell is equipped with the bottom plate, be equipped with four supporting legss on the bottom plate, the shell is including fixed preceding shell and backshell together, all through a plurality of bolted connection between preceding shell and the backshell and between preceding shell, backshell and the back shroud.
The structure facilitates the integral assembly and ensures the firmness of the assembly.
A working method of an autologous pressurizing and diverting system comprises the following steps:
the power switch is turned on, the driving motor drives the pump head to act, the blood pumping pipe pumps blood from the blood supply part to the inlet of the pump head, and the blood is conveyed from the outlet of the pump head to the part to be supplied with blood through the blood conveying pipe;
the flow sensor detects the blood supply flow and feeds back to the main control board and displays the blood supply flow through the key display unit, and when the blood supply flow is too large or too small, the main control board controls the driving motor to decelerate or accelerate so as to control the flow;
the bubble sensor detects whether the blood in the blood transfusion tube has bubbles and feeds the bubbles back to the main control board, and when the blood in the blood transfusion tube has bubbles, the main control board controls the driving motor to stop acting and stop supplying blood;
the pressure sensor detects the blood supply pressure and feeds the blood supply pressure back to the main control board and displays the blood supply pressure through the key display unit; when the blood supply pressure is too large or too small, the main control board controls the driving motor to decelerate or accelerate, and pressure control is carried out.
The utility model discloses small in size, simple structure, convenient operation can realize the autologous diversion, ensures the filling of two side brains in the art, and two side brains fill when can ensure the diversion and press accurate adjustable to whether contain the bubble in can real time monitoring blood supply pressure, blood supply flow and the blood, ensure low wound and low risk.
Drawings
FIG. 1 is a schematic structural view of one of the angles of the present invention;
FIG. 2 is a schematic structural view of another angle of the present invention;
FIG. 3 is a schematic structural view of the utility model with the rear cover plate removed;
FIG. 4 is an enlarged schematic view at I of FIG. 1;
FIG. 5 is a schematic structural view of the middle handle of the present invention;
FIG. 6 is a control schematic block diagram of the present invention;
in the figure, 1, a bubble sensor fixing plate, 2, a bubble sensor, 3, a luer board connector, 4, a main control board, 5, a key display unit, 6, a switching power supply, 7, a driving motor, 8, a power switch, 9, a brushless driver, 10, a wiring row seat, 11, a bottom plate, 12, a pump head, 13, a pump head fixing plate, 14, an adjusting knob, 15, a front shell, 16, a rear shell, 17, supporting legs, 18, an operation panel, 19, a pump head inlet, 20, a pump head outlet, 21, a pipe clamp base, 22, a bezoar pipe clamp, 23, a torsion spring, 24, an encoder, 25, a rear cover plate, 26, a wiring terminal, 27, a fuse box, 28, a waterproof cable connector, 29, a handle and 30 are arranged on a handle frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1-6, an autologous pressurizing and diverting system comprises a housing, a driving motor 7 installed inside the housing, a switching power supply 6, a pressure sensor, a main control board 4, a pump head 12 installed outside the housing, a power switch 8, a bubble sensor 2, a key display unit 5 and an adjusting knob 14, wherein the driving motor 7 drives the pump head 12 to move, and the rear side of the driving motor 7 is provided with an encoder 24, the pump head 12 is provided with a flow sensor, the pump head inlet 19 is connected with a blood supply part through a blood drawing tube, the pump head outlet 20 is connected with a part to be supplied with blood through a blood transfusion tube, the pressure sensor is connected with the pump head outlet 20 through a detection pipeline, the bubble sensor 2 is connected with the blood transfusion tube, and the main control board 4 is connected with the driving motor 7, the encoder 24, the flow sensor, the pressure sensor, the bubble sensor 2, the adjusting knob 14 and the key display unit 5. The driving motor 7 is a direct current brushless motor, a brushless driver 9 matched with the direct current brushless motor is arranged in the shell, the pump head 12 is arranged on the front face of the shell, and a motor shaft of the direct current brushless motor penetrates out of the shell and then is connected with the pump head 12. The top of the front surface of the shell is obliquely arranged, the key display unit 5 and the adjusting knob 14 are arranged on an inclined surface, and an operation interface 18 matched with the key display unit 5 is arranged on the inclined surface. The back of the shell is provided with a rear cover plate 25, the lower part of the rear cover plate 25 is provided with a wiring terminal 26, a fuse box 27 and a waterproof cable joint 28, the bottom of the inner side of the shell is provided with a wiring terminal base 10, and the wiring terminal base 10 is close to the rear cover plate 25. The pump head 12 passes through pump head fixed plate 13 to be fixed in the positive middle part of shell, and bubble sensor 2 passes through bubble sensor fixed plate 1 to be fixed in the positive one side of shell, and switch 8 installs in the side of shell, and pump head 12 is the TH152 pump head, and flow sensor is hall sensor, and bubble sensor 2 is ultrasonic sensor. The pressure sensor is connected with the detection pipeline through a Ruhr through-plate connector 3, the Ruhr through-plate connector 3 and the bubble sensor 2 are positioned on the same side, and the power switch 8 and the bubble sensor 2 are positioned on the opposite side. The top of the shell is provided with a handle 29 and a handle frame 30 matched with the handle 29, and the handle 29 is rotatably connected to the handle frame 30. One side of the pump head 12 is provided with a pipe clamp base 21 which is matched with the pump head inlet 19 and the pump head outlet 20, and the positions of the pump head inlet 19 and the pump head outlet 20 are respectively provided with a torsion spring pipe clamp piece 22 and a torsion spring 23 which are matched with the pipe clamp base 21. The bottom of shell is equipped with bottom plate 11, is equipped with four supporting legss 17 on the bottom plate 11, and the shell is including fixed preceding shell 15 and backshell 16 together, all through a plurality of bolted connection between preceding shell 15 and the backshell 16 and between preceding shell 15, backshell 16 and the back shroud 25.
A working method of an autologous pressurizing and diverting system comprises the following steps:
the power switch is turned on, the driving motor drives the pump head to act, the blood pumping pipe pumps blood from the blood supply part to the inlet of the pump head, and the blood is conveyed from the outlet of the pump head to the part to be supplied with blood through the blood conveying pipe;
the flow sensor detects the blood supply flow and feeds back to the main control board and displays the blood supply flow through the key display unit, and when the blood supply flow is too large or too small, the main control board controls the driving motor to decelerate or accelerate so as to control the flow;
the bubble sensor detects whether the blood in the blood transfusion tube has bubbles and feeds the bubbles back to the main control board, and when the blood in the blood transfusion tube has bubbles, the main control board controls the driving motor to stop acting and stop supplying blood;
the pressure sensor detects the blood supply pressure and feeds the blood supply pressure back to the main control board and displays the blood supply pressure through the key display unit; when the blood supply pressure is too large or too small, the main control board controls the driving motor to decelerate or accelerate, and pressure control is carried out.
The utility model discloses well pump head, driving motor and brushless driver constitute the force-applying pump subassembly.
The utility model discloses mainly used wicresoft (low wound, low risk) intracavity treatment does not need the oxygenation process, only need draw out autologous blood from blood supply position (femoral artery) and hit treating blood supply position (carotid) be used for supplying the brain can, realize the autologous diversion, and the time of autologous diversion is very short, about 10 minutes can.
The utility model discloses a total five buttons and an adjust knob:
adjusting a knob: used for adjusting parameters and adjusting an interface;
the five keys are respectively:
knob confirmation key: the device is used for pressing a knob and setting the determination of parameters;
up and down bonds: for adjusting the parameters;
start and stop key: for controlling the start or stop of the pump;
a return key: for returning to the previous stage and exiting.
The utility model can display the setting value, the actual value and the working state on the operation interface, and simplify the operation; overpressure, low pressure, overcurrent, ischemia, pump cover detection, roller detection, bubble detection and motor detection are carried out; and the state is comprehensively monitored by multiple alarm values, so that abnormity is avoided.
The utility model measures by referring to the pressure mode in the measuring tube of the hemodialysis pipeline; the pressure sensor is arranged in the case and is not disposable; double pressure sensors are selected, so that the influence on safety when a single pressure sensor fails is avoided; the pressure sensor is conditioned, the environment has little influence on the accuracy of the measured value, and the pressure sensor can be directly used. The utility model detects the bubbles in the pipeline by ultrasonic wave; the pipeline is not required to be damaged, and the blood is not influenced.
The utility model discloses small in size, simple structure, convenient operation can realize the autologous diversion, ensures the filling of two side brains in the art, and two side brains fill when can ensure the diversion and press accurate adjustable to whether contain the bubble in can real time monitoring blood supply pressure, blood supply flow and the blood, ensure low wound and low risk.

Claims (9)

1. An autologous pressurization diversion system which is characterized in that: it includes the shell, installs at inside driving motor, switching power supply, pressure sensor and the main control board of shell and installs pump head, switch, bubble sensor, button display element and the adjust knob in the shell outside, driving motor drives the pump head action, and driving motor's rear side is equipped with the encoder, be equipped with flow sensor on the pump head, the pump head import is through drawing blood vessel connection blood supply position, and the pump head export treats blood supply position through defeated blood vessel connection, pressure sensor passes through a detection pipeline and connects the pump head export, bubble sensor connects on defeated blood vessel, driving motor, encoder, flow sensor, pressure sensor, bubble sensor, adjust knob and button display element are connected to the main control board.
2. The autologous pressurized diversion system of claim 1, wherein: the driving motor is a direct current brushless motor, a brushless driver matched with the direct current brushless motor is arranged in the shell, the pump head is arranged on the front face of the shell, and a motor shaft of the direct current brushless motor penetrates out of the shell and then is connected with the pump head.
3. The autologous pressurized diversion system of claim 1, wherein: the top of the front surface of the shell is obliquely arranged, the key display unit and the adjusting knob are arranged on the inclined surface, and an operation interface matched with the key display unit is arranged on the inclined surface.
4. The autologous pressurized diversion system of claim 1, wherein: the back of shell is equipped with the back shroud, the lower part of back shroud is equipped with terminal, fuse box and waterproof cable joint, the inboard bottom of shell is equipped with the terminal row seat, the terminal row seat is close to the back shroud.
5. The autologous pressurized diversion system of claim 1, wherein: the pump head passes through the pump head fixed plate to be fixed at the positive middle part of shell, bubble sensor passes through the bubble sensor fixed plate to be fixed in the positive one side of shell, switch installs the side at the shell, the pump head is the TH152 pump head, flow sensor is hall sensor, bubble sensor is ultrasonic sensor.
6. The autologous pressurized diversion system of claim 5, wherein: the pressure sensor is connected with the detection pipeline through a Ruhr board-penetrating joint, the Ruhr board-penetrating joint and the bubble sensor are positioned on the same side, and the power switch and the bubble sensor are positioned on opposite sides.
7. The autologous pressurized diversion system of claim 1, wherein: the top of shell is equipped with the handle and the handle frame of cooperation handle, the handle rotates to be connected on the handle frame.
8. The autologous pressurized diversion system of claim 1, wherein: one side of pump head is equipped with the pipe strap base of cooperation pump head import and pump head export, and pump head import and pump head export all are equipped with the spring pipe fastener and the torsional spring of cooperation pipe strap base.
9. The autologous pressurized diversion system of claim 4, wherein: the bottom of shell is equipped with the bottom plate, be equipped with four supporting legss on the bottom plate, the shell is including fixed preceding shell and backshell together, all through a plurality of bolted connection between preceding shell and the backshell and between preceding shell, backshell and the back shroud.
CN202023077244.XU 2020-12-19 2020-12-19 Self-pressurization flow-switching system Active CN214911435U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023077244.XU CN214911435U (en) 2020-12-19 2020-12-19 Self-pressurization flow-switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023077244.XU CN214911435U (en) 2020-12-19 2020-12-19 Self-pressurization flow-switching system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112516397A (en) * 2020-12-19 2021-03-19 浙江大学医学院附属第一医院 Self-pressurization flow-switching system and working method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112516397A (en) * 2020-12-19 2021-03-19 浙江大学医学院附属第一医院 Self-pressurization flow-switching system and working method thereof

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