CN216257440U

CN216257440U - Medical temperature-adjustable liquid filling pump

Info

Publication number: CN216257440U
Application number: CN202122510625.0U
Authority: CN
Inventors: 蒋晏英; 徐白生
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-12
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a medical temperature-adjustable liquid filling device which comprises a base body, a thermostatic bath, a glass workbench, a liquid conveying pipe, a filling pump, a heating unit and a control unit, wherein the thermostatic bath is arranged on the base body, the glass workbench is placed in the thermostatic bath, the input end and the output end of the liquid conveying pipe are respectively arranged outside the thermostatic bath, at least part of the space between the input end and the output end of the liquid conveying pipe is arranged on the glass workbench, the liquid conveying pipe is connected with the filling pump between the part arranged on the glass workbench and the output end so as to control the pressure and the flow rate of liquid in the liquid conveying pipe through the filling pump, the heating unit is used for heating the thermostatic bath, and the control unit is connected with the heating unit so as to control the heating power of the heating unit. The utility model can be used for regulating the temperature of the perfusion liquid and then perfusing the perfusion liquid to intervene in the human body.

Description

Medical temperature-adjustable liquid filling pump

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a medical temperature-adjustable liquid filling pump.

Background

In the operation process (for example, the prostatectomy, the ureteroscopy operation, the hysteroscopy operation and the like all need to be perfused and washed by normal saline to keep the operation visual field clear), the body fluid perfusion or lavage is a very common technology, however, in winter or northern seasons with low climate temperature or climate, the low temperature fluid perfusion into the human body is easy to cause the hypothermia of the patient, and brings hidden troubles to the operation safety of the patient.

The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a medical temperature-adjustable liquid perfusion pump which can be used for regulating the temperature of perfusion liquid and then perfusing the perfusion liquid to intervene in a human body.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model discloses a medical temperature-adjustable liquid filling device which comprises a base body, a thermostatic bath, a glass workbench, a liquid conveying pipe, a filling pump, a heating unit and a control unit, wherein the thermostatic bath is arranged on the base body, the glass workbench is placed in the thermostatic bath, the input end and the output end of the liquid conveying pipe are respectively arranged outside the thermostatic bath, at least part of the space between the input end and the output end of the liquid conveying pipe is arranged on the glass workbench, the liquid conveying pipe is connected with the filling pump between the part arranged on the glass workbench and the output end so as to control the pressure and the flow rate of liquid in the liquid conveying pipe through the filling pump, the heating unit is used for heating the thermostatic bath, and the control unit is connected with the heating unit so as to control the heating power of the heating unit.

Preferably, the liquid perfusion device further comprises a first temperature detection unit, the first temperature detection unit is arranged at the first position of the perfusion tube, the first position of the perfusion tube is positioned at the output end of the perfusion tube and is arranged between the perfusion tube on the glass workbench, and the first temperature detection unit is connected with the control unit so as to transmit the temperature of the liquid at the first position of the perfusion tube to the control unit.

Preferably, the liquid perfusion device further comprises a second temperature detection unit, the second temperature detection unit is arranged at a second position of the perfusion tube, the second position of the perfusion tube is located at the input end of the perfusion tube and is arranged between the perfusion tube on the glass workbench, and the second temperature detection unit is connected with the control unit so as to transmit the temperature of the liquid at the second position of the perfusion tube to the control unit.

Preferably, the liquid filling device further comprises a door cover, and the door cover is connected to the opening of the thermostatic bath so as to cover the door cover to enable the thermostatic bath to be in a sealed state.

Preferably, the liquid filling device still includes safe chain switch, safe chain switch includes hasp, lockhole and sensor, the hasp set up in the inboard department of door closure, the lockhole set up in the outside of the opening part of constant temperature groove and with the position department that the hasp corresponds is so that the door closure lid closes during the opening part of constant temperature groove the hasp can insert in the lockhole, the sensor set up in the lockhole, the sensor is connected the control unit is in order to be used for detecting whether the hasp inserts in the lockhole.

Preferably, the liquid perfusion device still includes sealed the pad, sealed pad connect set up in the inboard of door closure and corresponding to the position department of transfer line, with the door closure lid closes when the opening part of thermostatic bath sealed pad corresponds the laminating and is in on the transfer line.

Preferably, the liquid filling device further comprises a display unit, and the display unit is arranged on the surface of the base body and used for displaying the heating power of the heating unit.

Preferably, the heating unit employs a microwave heater.

Preferably, two ends of the opening of the thermostatic bath are respectively provided with a clamping groove, and the clamping grooves are used for placing the infusion tube.

Preferably, the infusion tubes are arranged on the glass workbench in a plurality of U-shaped connected arrangements.

Compared with the prior art, the utility model has the beneficial effects that: the medical temperature-adjustable liquid perfusion pump provided by the utility model can be used for regulating the temperature of perfusion liquid and then perfusing and intervening in a human body, so that the safety of an operation is guaranteed.

In a further scheme, through setting up the door closure, can guarantee the heat preservation effect of perfusate to set up safety interlock switch based on this, further ensured user of service's safety problem.

Drawings

Fig. 1 is a schematic diagram of a medical temperature-adjustable liquid infusion pump according to a preferred embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the embodiments of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixing function or a circuit connection function.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be in any way limiting of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1, the medical temperature-adjustable liquid infusion apparatus according to the preferred embodiment of the present invention comprises a base 10, a thermostatic bath 20, a glass work table 30, an infusion tube 40, an infusion pump 50, a heating unit 60, and a control unit (not shown), wherein the thermostatic bath 20 is disposed on the base 10, the glass work table 30 is disposed in the thermostatic bath 20, an input end 41 and an output end 42 of the infusion tube 40 are respectively disposed outside the thermostatic bath 20, and at least part between the input end 41 and the output end 42 of the infusion tube 40 is arranged on the glass workbench 30, the infusion tube 40 is connected with the infusion pump 50 from the part arranged on the glass workbench 30 to the output end 42 so as to control the pressure and the flow rate of the liquid in the infusion tube 40 through the infusion pump 50, the heating unit 60 is used for heating the thermostatic bath 20, and the control unit is connected with the heating unit 60 so as to control the heating power of the heating unit 60.

In this embodiment, the constant temperature bath 20 is a groove formed in the front side of the base 10, and further, the liquid filling device further includes a door cover 70, the door cover 70 is connected to the opening of the constant temperature bath 20 so as to cover the door cover 70, so that the constant temperature bath 20 can be in a sealed state, and thus it can be ensured that the constant temperature bath 20 can be in a sealed state to achieve a heat preservation effect during heating. The door cover 70 is further provided with a safety interlocking switch, the safety interlocking switch comprises a lock catch 81, a lock hole 82 and a sensor (not shown), the lock catch 81 is arranged at the inner side of the door cover 70, the lock hole 82 is arranged at the outer side of the opening of the thermostatic bath 20 and at a position corresponding to the lock catch 81, so that the lock catch 81 can be inserted into the lock hole 82 when the door cover 70 covers the opening of the thermostatic bath 20, the sensor is arranged in the lock hole 82, and the sensor is connected with the control unit and used for detecting whether the lock hole 81 is inserted into the lock hole 82; whether the lock hole 81 is inserted into the lock hole 82 or not is detected through the sensor, if the lock hole 81 is inserted into the lock hole 82, a heatable signal is sent to the control unit, and if the lock hole 81 is not inserted into the lock hole 82, a power-off signal is sent to the control unit, so that the situation that a power supply can be timely turned off when the door is opened without power failure is guaranteed, and potential safety hazards are eliminated.

Two ends of the opening of the thermostatic bath 20 are respectively provided with a clamping groove 21 and a clamping groove 22, and the clamping grooves 21 and the clamping grooves 22 are used for placing the infusion tube 40, so that when the door cover 70 is closed, the gap between the door cover 70 and the base body 10 is small enough, and the thermostatic effect is ensured. An inlet temperature detection unit 91 and an outlet temperature detection unit 92 are respectively arranged near the input end 41 and the output end 42 of the infusion tube 40, and the inlet temperature detection unit 91 and the outlet temperature detection unit 92 are respectively connected with the control unit; the control unit receives the temperature of the liquid flowing out of the thermostatic bath 20 detected by the outlet detection unit 92, and provides a feedback signal to the heating unit 60 when the temperature approaches the target temperature, so that the heating unit 60 adjusts the heating power until the constant temperature is reached.

A sealing gasket 71 is arranged on the inner side of the door cover 70 to ensure that a gap between the door cover 70 and the base body 10 is small enough after the door cover 70 is closed, so as to ensure a constant temperature effect; in the present embodiment, the gasket 71 is provided at a position corresponding to the infusion tube 40 so as to be fitted over the infusion tube 40 at a position where the door cover 70 covers the opening of the thermostatic bath 20 to seal the opening of the thermostatic bath 20. A handle 72 is further provided on the outer side of the door cover 70 to facilitate opening and closing of the door cover 70.

In this embodiment, the heating unit 60 is a microwave heater, and the liquid in the microwave radiation infusion tube 40 is uniformly heated to reach the temperature suitable for the requirement of the human body; the glass worktable 30 is used for placing the infusion tube 40, and the infusion tube 40 is connected and arranged in a plurality of U-shapes at the part of the glass worktable 30, namely a back-and-forth winding arrangement structure, so that the injection liquid in the infusion tube 40 is fully heated in the thermostatic bath 20. The thermostatic bath 20 is used for placing the glass worktable 30 and the infusion tube 40, the infusion tube 40 is heated by adopting a microwave heating mode, and the purpose of keeping constant temperature is achieved by adopting a mode of automatically changing heating power by temperature feedback.

The perfusion pump 50 is used for pressurizing perfusion fluid, and the perfusion fluid is enabled to reach the expected pressure and flow rate by controlling the movement speed or the force bearing area of a driving member (such as a piston) of the perfusion pump 50; the

display units

101 and 102 are arranged on the front side of the base body 10, and the display unit 101 is used for displaying the temperature of the perfusion fluid at the inlet and the outlet (namely the temperature detected by the inlet temperature detection unit 91 and the outlet temperature detection unit 92) and the heating power; the display unit 102 is used for displaying the pressure and the flow speed of the perfusate; in addition, a temperature adjusting button 103, a power adjusting button 104, a tube pressure adjusting button 105, a flow rate adjusting button 106, a perfusion pump start/stop switch 107 and a power switch 108 are further disposed on the front side of the base 10, the temperature adjusting button 103 is used for setting a target temperature, the power adjusting button 104 is used for setting heating power or manually increasing and decreasing power, the tube pressure adjusting button 105 is used for controlling a force-receiving area of a driving member (such as a piston) of the perfusion pump 50 to enable the perfusion liquid to reach a desired pressure, the flow rate adjusting button 106 is used for controlling a movement speed of the driving member (such as a piston) of the perfusion pump 50 to enable the perfusion liquid to reach a desired flow rate, the perfusion pump start/stop switch 107 is used for controlling the start and the stop of the perfusion pump 50, and the power switch 108 is used for controlling a power main switch.

The process of performing the operation treatment by adopting the medical temperature-adjustable liquid perfusion device provided by the preferred embodiment of the utility model comprises the following steps: (1) before the art, the infusion tube is fixed in a glass workbench and placed in a thermostatic bath, the infusion tube at the inlet and the outlet is ensured to fall into clamping grooves at two ends completely, the infusion tube is directly connected into a filling pump after exiting the thermostatic bath (the less the exposed part is, the better the temperature loss is reduced), a door cover is closed, and a power supply is turned on. (2) After the perfusion liquid enters the thermostatic bath from the left side, the temperature when the inlet temperature detection unit measures the cavity is measured, the staff sets the target temperature a1, the working power w1 of the thermostatic bath is set according to the initial temperature, the pipe pressure and the flow rate are set simultaneously, and the perfusion pump is started after the perfusion liquid passes through the outlet. (3) After a period of time (such as 60s), the outlet temperature detection unit automatically detects the perfusion temperature (obtained after revision according to the actual detection temperature of the outlet temperature detection unit), and if the temperature does not reach the target temperature, an instruction of 'increasing the working power (fixed amplitude)' is automatically fed back; if the liquid temperature reaches the target temperature in the period of time, a command of reducing the working power (fixed amplitude) is automatically fed back; until the temperature equilibrium is reached, at which time the heating power is w 2. Through experiments, the balance relation between the corresponding target temperature a and the heating power w can be obtained. The electronic temperature controller converts temperature signals into electric signals through temperature sensing devices such as a thermocouple, a platinum resistor and the like, and controls the relay through circuits such as a single chip microcomputer and a PLC (programmable logic controller) to enable the microwave heating unit to improve working power or reduce working power (or stop heating). (4) The microwave heating device should be provided with corresponding safety guarantee measures.

Compared with the prior art that liquid is directly filled into a human body, the medical temperature-adjustable liquid filling pump provided by the preferred embodiment of the utility model can be used for adjusting the temperature (10-45 ℃) of the filling liquid and then filling the liquid into the human body, so that the operation safety is guaranteed.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several equivalent substitutions or obvious modifications can be made without departing from the spirit of the utility model, and all the properties or uses are considered to be within the scope of the utility model.

Claims

1. A medical liquid filling device capable of adjusting temperature is characterized by comprising a base body, a thermostatic bath, a glass workbench, a liquid conveying pipe, a filling pump, a heating unit and a control unit, the thermostatic bath is arranged on the base body, the glass worktable is arranged in the thermostatic bath, the input end and the output end of the infusion tube are respectively arranged outside the thermostatic bath, and at least part of the space between the input end and the output end of the infusion tube is arranged on the glass workbench, the infusion tube is connected with the infusion pump between the part arranged on the glass workbench and the output end so as to control the pressure and the flow rate of the liquid in the infusion tube through the infusion pump, the heating unit is used for heating the constant temperature bath, and the control unit is connected with the heating unit and is used for controlling the heating power of the heating unit.

2. The fluid infusion device of claim 1, further comprising a first temperature detection unit disposed at a first location of the infusion tube, the first location of the infusion tube being located between an output end of the infusion tube and the infusion tube disposed on the glass table, the first temperature detection unit being connected to the control unit to transmit the temperature of the fluid at the first location of the infusion tube to the control unit.

3. The fluid infusion device of claim 1, further comprising a second temperature detection unit disposed at a second location of the infusion tube, the second location of the infusion tube being located between the input end of the infusion tube and the infusion tube disposed on the glass table, the second temperature detection unit being connected to the control unit to transmit the temperature of the fluid at the second location of the infusion tube to the control unit.

4. The liquid pouring device according to claim 1, further comprising a door cover, wherein the door cover is connected and arranged at the opening of the thermostatic bath so that the thermostatic bath can be in a sealed state by covering the door cover.

5. The liquid filling apparatus according to claim 4, further comprising a safety interlock switch, wherein the safety interlock switch includes a lock catch, a lock hole and a sensor, the lock catch is disposed at an inner side of the door, the lock hole is disposed at an outer side of the opening of the thermostatic bath and at a position corresponding to the lock catch, so that the lock catch can be inserted into the lock hole when the door is closed at the opening of the thermostatic bath, the sensor is disposed in the lock hole, and the sensor is connected to the control unit for detecting whether the lock catch is inserted into the lock hole.

6. The liquid perfusion device according to claim 4, further comprising a sealing gasket, wherein the sealing gasket is connected to the inner side of the door cover and corresponds to the position of the perfusion tube, so that the sealing gasket is correspondingly attached to the perfusion tube when the door cover is closed at the opening of the thermostatic bath.

7. The liquid perfusion apparatus according to claim 1, further comprising a display unit disposed on a surface of the base for displaying a heating power of the heating unit.

8. The fluid infusion device of claim 1, wherein the heating unit employs a microwave heater.

9. The liquid perfusion apparatus according to claim 1, wherein two ends of the opening of the thermostatic bath are respectively provided with a clamping groove for placing the perfusion tube.

10. The liquid perfusion apparatus according to claim 1, wherein the infusion tube is disposed on the glass work bench in a plurality of U-shaped connection arrangements.