CN213690350U - Operation heating device - Google Patents
Operation heating device Download PDFInfo
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- CN213690350U CN213690350U CN202022067110.3U CN202022067110U CN213690350U CN 213690350 U CN213690350 U CN 213690350U CN 202022067110 U CN202022067110 U CN 202022067110U CN 213690350 U CN213690350 U CN 213690350U
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Abstract
The utility model discloses a surgical heating device, including gas terminal, firing equipment, second pneumoperitoneum machine and temperature-sensing ware, through the temperature-sensing ware respectively with the gas output end of pneumoperitoneum machine reaches firing equipment connects, is used for detecting the output temperature of pneumoperitoneum machine, and feed back extremely firing equipment, so that firing equipment heating regulation. Thus, the gas output by the pneumoperitoneum machine can be kept within a set temperature range. For example, the temperature value is in the range of 37 degrees to 37.5 degrees, the phenomenon of overhigh temperature or overhigh or overlow instability is avoided, and the proper temperature is provided for the human body in the operation process.
Description
Technical Field
The utility model relates to a medical firing equipment technical field especially relates to a heating apparatus for operation.
Background
In the minimally invasive thoracoscopic operation process, an operator feeds back the endoscope deep into the thoracic cavity to the visual screen to perform operation. The operation process, in order to facilitate the operation of operation, need pass through operation puncture ware for operation person's chest abdomen portion gas transmission usually, be convenient for the operation with chest abdomen portion gas drum, in order to adapt to human body temperature, generally need input the human body after the gas heating, among the prior art, to gaseous heating, just pass through the heater strip at the output of pneumoperitoneum machine and be the simple heating of output gas, because do not have temperature detection, lead to the high phenomenon of heating temperature probably, lead to the easy damaged circuit of pneumoperitoneum pipe sterilization even.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a surgical warming device.
In order to achieve the above object, according to the utility model discloses a surgery heating apparatus, surgery heating apparatus includes:
a gas terminal for outputting a gas source;
the heating equipment is connected with the gas source output end of the gas terminal and is used for heating the gas output by the gas terminal;
the pneumoperitoneum machine is connected with the gas output end of the heating equipment and used for adjusting the pressure and the gas flow of the heated gas and then outputting the gas;
and the temperature sensor is respectively connected with the gas output end of the pneumoperitoneum machine and the heating equipment, is used for detecting the output temperature of the pneumoperitoneum machine and feeding back to the heating equipment so as to heat and adjust the heating equipment.
Further, according to an embodiment of the present invention, the heating apparatus includes:
the control circuit is connected with the temperature sensor so as to obtain the temperature of the heated gas output by the pneumoperitoneum machine through the temperature sensor;
and the heating circuit is connected with the control circuit and used for heating control of the heating circuit under the action of the controller.
Further, according to an embodiment of the present invention, the heating circuit includes: the heating control circuit is respectively connected with the control circuit and the heating wire and is used for heating and driving the heating wire to be controlled.
Further, according to an embodiment of the present invention, the heating control circuit includes:
a transistor Q1, wherein the base of the transistor Q1 is connected with a control end of the control circuit through a resistor R9, and the collector of the transistor Q1 is connected with the reference ground;
the controlled end of the controllable silicon T1 is connected with the emitter of the triode Q1 through a resistor R8, one power supply end of the controllable silicon T1 is connected with one input end of input alternating current, and the other power supply end of the controllable silicon T1 is connected with the other input end of the input alternating current through a heating wire.
Further, according to an embodiment of the present invention, the heating apparatus further includes: and the temperature adjusting circuit is connected with the control circuit and is used for adjusting and controlling the heating temperature.
Further, according to an embodiment of the present invention, the temperature adjustment circuit includes:
a first control key K1, one end of the first control key K1 is connected with one end of the control circuit, and the other end of the first control key K1 is connected with the reference ground through a resistor R5;
and one end of the second control key K2 is connected with the other end of the control circuit, and the other end of the second control key K2 is connected with the reference ground through a resistor R7.
Further, according to an embodiment of the present invention, the heating apparatus further includes: and the display circuit is connected with the control circuit and is used for displaying the temperature of the gas input by the pneumoperitoneum machine.
Further, according to the utility model discloses an embodiment, control circuit includes a singlechip.
Further, according to an embodiment of the present invention, the heating apparatus further includes: the protection circuit is connected with the control circuit to detect the working state of the control circuit, and when the control circuit is detected to be halted, the control circuit is restarted;
the protection circuit is a hardware watchdog circuit.
Further, according to an embodiment of the present invention, the temperature sensor includes:
a thermistor Rt, one end of which is connected to a reference ground;
one end of the variable resistor Rx is connected with the other end of the thermistor Rt, the other end of the thermistor Rt is connected with a power supply, and a voltage sampling end of the variable resistor Rx is connected with a temperature detection end of a control circuit of the controller.
The embodiment of the utility model provides a surgery heating apparatus through the temperature-sensing ware respectively with the gas output end of pneumoperitoneum machine reaches firing equipment connects, is used for detecting the output temperature of pneumoperitoneum machine, and feed back extremely firing equipment, so that firing equipment heating regulation. Thus, the gas output by the pneumoperitoneum machine can be kept within a set temperature range. For example, the temperature value is in the range of 37 degrees to 37.5 degrees, the phenomenon of overhigh temperature or overhigh or overlow instability is avoided, and the proper temperature is provided for the human body in the operation process.
Drawings
Fig. 1 is a schematic structural view of a surgical heating device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of another surgical warming device according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a control circuit, a display circuit and a temperature adjustment circuit provided by an embodiment of the present invention;
fig. 4 is a heating circuit diagram provided in an embodiment of the present invention;
fig. 5 is a circuit diagram of a temperature sensor according to an embodiment of the present invention.
Reference numerals:
a gas terminal 10;
a heating device 20;
a control circuit 201;
a heating circuit 202;
a heating control circuit 2021;
a heater wire 2022;
a temperature adjusting circuit 203;
a display circuit 204;
a protection circuit 205;
a power module 206;
a pneumoperitoneum machine 30;
a temperature sensor 40.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, an embodiment of the present invention provides a surgical warming device, including: the gas terminal 10, the heating device 20, the pneumoperitoneum machine 30 and the temperature sensor 40, wherein the gas terminal 10 is used for outputting a gas source; as shown in fig. 1, the gas terminal 10 is a gas source for inputting a gas, which may be carbon dioxide gas.
The heating device 20 is connected with the gas source output end of the gas terminal 10 and is used for heating the gas output by the gas terminal 10; since the gas input from the gas terminal 10 is usually compressed and output, the gas temperature is low and cannot be directly input into the human body, and the input gas needs to be heated to the temperature of the human body and then input into the human body. The heating device is used for outputting heated gas after heating the gas.
The pneumoperitoneum machine 30 is connected with the gas output end of the heating device 20 and used for adjusting the pressure and the gas flow of the heated gas and outputting the gas; since both the gas volume and the gas pressure of the heated gas passing through the gas terminal 10 do not satisfy the requirements of the input body, the gas pressure and the gas volume can be adjusted by the pneumoperitoneum machine 30 and then input into the human body.
The temperature sensor 40 is connected to the gas output end of the pneumoperitoneum machine 30 and the heating device 20, respectively, and is used for detecting the output temperature of the pneumoperitoneum machine 30 and feeding back the output temperature to the heating device 20, so as to heat and regulate the heating device 20. As shown in fig. 1, the temperature sensor 40 is disposed at the gas output end of the pneumoperitoneum machine 30, the temperature sensor 40 can detect the actual temperature output by the pneumoperitoneum machine 30, that is, the actual temperature entering the human body, and feed the actual temperature entering the human body back to the heating device 20, so as to adjust the heating temperature through the heating device 20, so as to keep the actual problem entering the human body as a constant set value, and avoid the phenomena of unstable temperature and even over-high temperature, which affect the performance of the minimally invasive surgery.
The embodiment of the utility model provides a surgical heating apparatus is connected with the gas output end of pneumoperitoneum machine 30 and firing equipment 20 respectively through temperature-sensing ware 40 for detect the output temperature of pneumoperitoneum machine 30, and feed back to firing equipment 20, so that firing equipment 20 heats the regulation. In this way, the gas output by the pneumoperitoneum machine 30 can be maintained within a set temperature range. For example, the temperature value is in the range of 37 degrees to 37.5 degrees, the phenomenon of overhigh temperature or overhigh or overlow instability is avoided, and the proper temperature is provided for the human body in the operation process.
Referring to fig. 2, the heating apparatus 20 includes: a control circuit 201 and a heating circuit 202, wherein the control circuit 201 is connected with the temperature sensor 40 to obtain the temperature of the heated gas output by the pneumoperitoneum machine 30 through the temperature sensor 40; the actual temperature value input to the human body detected by the temperature sensor 40 can be collected by the control circuit 201. So as to control the heating of the heating circuit 202 according to the temperature value.
The heating circuit 202 is connected to the control circuit 201, and is used for controlling the heating of the heating circuit 202 under the action of the controller. For example, when the controller detects that the temperature value entering the human body is less than 37 degrees, the heating circuit 202 can be controlled to continue heating, so that the heating temperature of the gas needs to be increased. When the temperature of the heated gas is detected to be greater than 37.5 degrees, the heating circuit 202 can be controlled to stop heating, so that the heating temperature of the heated gas is reduced to be within 37.5 degrees. Therefore, the temperature value can be in the range of 37-37.5 degrees, and the phenomenon of overhigh temperature or overhigh or overlow instability is avoided.
Referring to fig. 2, the heating circuit 202 includes: a heating control circuit 2021 and a heating wire 2022, wherein the heating control circuit 2021 is connected to the control circuit 201 and the heating wire 2022 respectively, and is used for controlling the heating drive of the heating wire 2022. The heating control circuit 2021 controls the heating state of the heater wire 2022 by switching, and controls the heating of the heater wire or the turning off of the heating of the heater wire.
Referring to fig. 4, the heating control circuit 2021 includes: a triode Q1 and a thyristor T1, wherein the base electrode of the triode Q1 is connected with one control end of the control circuit 201 through a resistor R9, and the collector electrode of the triode Q1 is connected with the reference ground; the controlled end of the thyristor T1 is connected with the emitting electrode of the triode Q1 through the resistor R8, one power end of the thyristor T1 is connected with one input end of the input alternating current, and the other power end of the thyristor T1 is connected with the other input end of the input alternating current through the heating wire MCH. As shown in fig. 3, the thyristor T1 is a bidirectional thyristor, and the on or off of the heating wire can be controlled by the on or off of the thyristor T1 to control the heating of the heating wire or stop the heating. When the heating wire is required to be controlled to heat, the control circuit 201 outputs a control signal, so that the triode Q1 works, the controlled end of the controlled silicon T1 generates a conduction signal, the controlled silicon T1 is conducted, and the heating wire MCH heats. In contrast, the control circuit 201 does not output the control signal, so that the transistor Q1 is turned off, the controlled terminal of the thyristor T1 does not output the on signal, the thyristor T1 is turned off, and the heating wire MCH does not generate heat.
Referring to fig. 2 and 3, the heating apparatus 20 further includes: the temperature adjusting circuit 203, the temperature adjusting circuit 203 is connected with the control circuit 201, and is used for adjusting and controlling the heating temperature. As shown in fig. 2 and 3, the temperature adjusting circuit 203 is connected to the control circuit 201, so that a temperature adjusting control signal can be input to the control circuit 201, and the control circuit 201 can adjust the heating temperature of the heating wire 2022 after receiving a temperature adjusting command input by a user. For example, the heating temperature may be set between 37 and 37.5.
Referring to fig. 3, the temperature adjustment circuit 203 includes: the control circuit comprises a first control key K1 and a second control key K2, wherein one end of the first control key K1 is connected with one end of the control circuit 201, and the other end of the first control key K1 is connected with a reference ground through a resistor R5; one end of the second control key K2 is connected to the other end of the control circuit 201, and the other end of the second control key K2 is connected to the ground reference through a resistor R7. When the first control key K1 and the second control key K2 are pressed, two pins on the control circuit 201 can be connected to the reference ground, and the control circuit 201 detects the low level signal, so that the input signal of the user can be obtained. And the heating temperature can be set to be increased or decreased by the first control key K1 and the second control key K2.
Referring to fig. 2 and 3, the heating apparatus 20 further includes: and a display circuit 204, wherein the display circuit 204 is connected with the control circuit 201 and is used for displaying the gas temperature input by the pneumoperitoneum machine 30. The display circuit 204 is used for connecting a display screen to display and monitor the heating temperature. For example, after the controller detects the temperature value entering the human body through the temperature sensor 40, the temperature value can be transmitted to the line display screen for displaying, so as to monitor the entering of the human body. In addition, the control circuit 201 also receives the temperature setting information input by the user and displays the temperature setting information through the display circuit 204 and the display screen, so that the temperature setting information can be conveniently referred to by the user during setting.
Further, in an embodiment of the present invention, the control circuit 201 includes a single chip. In other embodiments, the method may also be implemented by using a controller external to the memory.
Referring to fig. 2 and 3, the heating apparatus 20 further includes: the protection circuit 205, the protection circuit 205 is connected with the control circuit 201 to detect the working state of the control circuit 201, when detecting that the control circuit 201 is halted, the control circuit 201 is restarted; the operating state of the control circuit 201 can be checked by the protection circuit 205 to reset the control circuit 201 when it is checked that the control circuit 201 has stopped operating or has an abnormal condition for an unknown reason. To ensure the normal operation of the control circuit 201 and the whole circuit
The protection circuit 205 is a hardware watchdog circuit. Through the signal output end signal of the singlechip on the controller and the RESET end RESET, the singlechip can be RESET again when the singlechip is detected to be abnormal.
Referring to fig. 5, the temperature sensor 40 includes: a thermistor Rt having one end connected to a reference ground, and a variable resistor Rx; one end of the variable resistor Rx is connected to the other end of the thermistor Rt, the other end of the thermistor Rt is connected to the power supply, and a voltage sampling end of the variable resistor Rx is connected to a temperature detection end of the control circuit 201 of the controller. As shown in fig. 5, a voltage dividing circuit is formed between the thermistor Rt and the variable resistor Rx, and since the thermistor Rt changes according to a change in temperature value, a temperature corresponding to the thermistor Rt can be obtained by collecting a voltage value thereof. The circuit has relatively simple structure and low cost.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A surgical warming apparatus, comprising:
a gas terminal for outputting a gas source;
the heating equipment is connected with the gas source output end of the gas terminal and is used for heating the gas output by the gas terminal;
the pneumoperitoneum machine is connected with the gas output end of the heating equipment and used for adjusting the pressure and the gas flow of the heated gas and then outputting the gas;
and the temperature sensor is respectively connected with the gas output end of the pneumoperitoneum machine and the heating equipment, is used for detecting the output temperature of the pneumoperitoneum machine and feeding back to the heating equipment so as to heat and adjust the heating equipment.
2. A surgical warming apparatus according to claim 1 wherein said heating device comprises:
the control circuit is connected with the temperature sensor so as to obtain the temperature of the heated gas output by the pneumoperitoneum machine through the temperature sensor;
and the heating circuit is connected with the control circuit and used for heating control of the heating circuit under the action of the controller.
3. A surgical warming device according to claim 2, wherein said heating circuit comprises: the heating control circuit is respectively connected with the control circuit and the heating wire and is used for heating and driving the heating wire to be controlled.
4. A surgical warming device according to claim 3 wherein said heating control circuit comprises:
a transistor Q1, wherein the base of the transistor Q1 is connected with a control end of the control circuit through a resistor R9, and the collector of the transistor Q1 is connected with the reference ground;
the controlled end of the controllable silicon T1 is connected with the emitter of the triode Q1 through a resistor R8, one power supply end of the controllable silicon T1 is connected with one input end of input alternating current, and the other power supply end of the controllable silicon T1 is connected with the other input end of the input alternating current through a heating wire.
5. A surgical warming apparatus according to claim 2, wherein said heating device further comprises: and the temperature adjusting circuit is connected with the control circuit and is used for adjusting and controlling the heating temperature.
6. A surgical warming device according to claim 5, wherein said temperature regulating circuit comprises:
a first control key K1, one end of the first control key K1 is connected with one end of the control circuit, and the other end of the first control key K1 is connected with the reference ground through a resistor R5;
and one end of the second control key K2 is connected with the other end of the control circuit, and the other end of the second control key K2 is connected with the reference ground through a resistor R7.
7. A surgical warming apparatus according to claim 3 wherein said heating apparatus further comprises: and the display circuit is connected with the control circuit and is used for displaying the temperature of the gas input by the pneumoperitoneum machine.
8. A surgical warming apparatus according to claim 2 wherein said control circuit comprises a single chip microcomputer.
9. A surgical warming apparatus according to claim 5, wherein said heating device further comprises: the protection circuit is connected with the control circuit to detect the working state of the control circuit, and when the control circuit is detected to be halted, the control circuit is restarted;
the protection circuit is a hardware watchdog circuit.
10. A surgical warming device according to claim 2 wherein said temperature sensor comprises:
a thermistor Rt, one end of which is connected to a reference ground;
one end of the variable resistor Rx is connected with the other end of the thermistor Rt, the other end of the thermistor Rt is connected with a power supply, and a voltage sampling end of the variable resistor Rx is connected with a temperature detection end of the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067110.3U CN213690350U (en) | 2020-09-18 | 2020-09-18 | Operation heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022067110.3U CN213690350U (en) | 2020-09-18 | 2020-09-18 | Operation heating device |
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| Publication Number | Publication Date |
|---|---|
| CN213690350U true CN213690350U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022067110.3U Active CN213690350U (en) | 2020-09-18 | 2020-09-18 | Operation heating device |
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| CN (1) | CN213690350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114796747A (en) * | 2022-06-27 | 2022-07-29 | 新光维医疗科技(苏州)股份有限公司 | System and method for detecting abnormality of heating abdominal tube in pneumoperitoneum machine |
-
2020
- 2020-09-18 CN CN202022067110.3U patent/CN213690350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114796747A (en) * | 2022-06-27 | 2022-07-29 | 新光维医疗科技(苏州)股份有限公司 | System and method for detecting abnormality of heating abdominal tube in pneumoperitoneum machine |
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