CN206603791U - A kind of gas-heating apparatus and pneumoperitoneum apparatus - Google Patents
A kind of gas-heating apparatus and pneumoperitoneum apparatus Download PDFInfo
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- CN206603791U CN206603791U CN201621330835.4U CN201621330835U CN206603791U CN 206603791 U CN206603791 U CN 206603791U CN 201621330835 U CN201621330835 U CN 201621330835U CN 206603791 U CN206603791 U CN 206603791U
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Abstract
This application discloses a kind of gas-heating apparatus and pneumoperitoneum apparatus, wherein, the air inlet of the package casing is used to be connected with the pneumoperitoneum apparatus, receive the gas of the pneumoperitoneum apparatus output, gas into the package casing is exported after the heating of the heating plate by the gas outlet, the difference between cryogenic gas and design temperature to reduce the pneumoperitoneum apparatus output, reduce due to cryogenic gas is directly entered human body and induce shiver with cold and surgery cut infection probability, and solve because cryogenic gas enters human body and causes the problem of vapor liquefies on the camera lens of laparoscope, make operator doctor without removing the water smoke on the camera lens often, reduce the time of laparoscopic surgery.Further, control panel heating plate according to the detection temperature control of design temperature and the temperature sensor works, make the temperature by the gas of the gas-heating apparatus in controlled range, it is to avoid the damage that too high or too low gas temperature is caused to human body.
Description
Technical field
The utility model is related to technical field of medical instruments, more specifically to a kind of gas-heating apparatus and pneumoperitoneum
Machine.
Background technology
Laparoscopic surgery is the Minimally Invasive Surgery that a new development is got up, small, low excellent to patient's injury with surgical wound
Point.Pneumoperitoneum apparatus is one of indispensable medicine equipment in laparoscopic surgery, for by CO2Gas inputs abdominal cavity of patients and remains certain
Pressure, provide the good visual field and sufficiently large operating space for operator doctor.
But it is due to the CO of pneumoperitoneum apparatus conveying2The temperature of gas is usually less than human body temperature, as the CO of big flow2Gas is defeated
When entering abdominal cavity of patients can the substantial amounts of heat for absorbing human body, cause sense of discomfort of the patient with operation in surgical procedure, and increase and lure
Hair shiver with cold, the probability of surgery cut infection, cause patient postoperative rehabilitation process longer, increase patient suffering.Meanwhile, less than human body
The CO of temperature2Gas can cause vapor liquefaction to condense on the camera lens of laparoscope when entering abdominal cavity, influence operator doctor
Surgical field of view so that operator doctor, which has to often extract the camera lens, removes water smoke, causes operating time to extend.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of gas-heating apparatus, to realize to pneumoperitoneum apparatus to people
The purpose of the heating of the gas of body output, is reduced because cryogenic gas induces the probability of shiver with cold and surgery cut infection, and
Solve because cryogenic gas enters human body and causes the problem of vapor liquefies on the camera lens of laparoscope.
To achieve the above object, the utility model provides following technical scheme：
A kind of gas-heating apparatus, applied to pneumoperitoneum apparatus, the gas-heating apparatus includes：Control panel and heater；Its
In,
The heater includes package casing, the heating plate and temperature sensor being arranged inside the package casing, institute
Stating package casing includes air inlet and gas outlet, and the air inlet is connected with the pneumoperitoneum apparatus；
The control panel is connected with the heating plate and temperature sensor, for according to design temperature and the TEMP
Heating plate described in the detection temperature control of device works.
Optionally, control panel heating plate according to the detection temperature control of design temperature and the temperature sensor
Work specifically for the difference according to design temperature and the detection temperature of the temperature sensor, pulse is exported to the heating plate
Width modulated pwm pulse, to control the power output of the heating plate；
The dutycycle of the pwm pulse is with the diminishing for difference of the design temperature and the detection temperature of temperature sensor
By initial value gradual change and zero.
Optionally, in addition to：Host computer for sending wireless setting instruction；
The control panel also includes radio receiver, and for receiving the wireless setting instruction, the wireless setting refers to
Make for setting the design temperature.
Optionally, in addition to：It is connected with the temperature sensor, the detection temperature for showing the temperature sensor
Display device.
Optionally, the quantity of the heating plate is multiple.
Optionally, in addition to：Multiple fin；
It is used to set at least one described heating plate between fin described in each two.
Optionally, the control panel is also connected with the pneumoperitoneum apparatus, the atmospheric pressure state for obtaining the pneumoperitoneum apparatus.
Optionally, the control panel is additionally operable to when the atmospheric pressure state of the pneumoperitoneum apparatus is less than preset pressure according to the gas
Pressure condition and the design temperature work with heating plate described in the detection temperature control of the temperature sensor.
Optionally, the control panel when the pneumoperitoneum apparatus atmospheric pressure state be less than preset pressure when according to the atmospheric pressure state
Worked with heating plate described in the detection temperature control of the design temperature and the temperature sensor, specifically for when the pneumoperitoneum
When the atmospheric pressure state of machine is less than preset pressure, diminish to the heating plate output duty cycle with the atmospheric pressure state of the pneumoperitoneum apparatus and
The pwm pulse of the second preset value is faded to by the first preset value, to control the power output of the heating plate, described first presets
Value is more than zero, and less than second preset value.
A kind of pneumoperitoneum apparatus, including the gas-heating apparatus described in any one as described above.
It can be seen from the above technical proposal that the utility model provides a kind of gas-heating apparatus and pneumoperitoneum apparatus, wherein,
The air inlet of the package casing is used to be connected with the pneumoperitoneum apparatus, the gas of the pneumoperitoneum apparatus output is received, into the envelope
The gas of casing is exported after the heating of the heating plate by the gas outlet, to reduce the gas and setting temperature of output
Difference between degree, reduces because cryogenic gas enters human body and induces the probability of shiver with cold and surgery cut infection, and solves
Determine because cryogenic gas enters human body and causes the problem of vapor liquefies on the camera lens of laparoscope, made operator doctor need not
Often the water smoke on the camera lens is removed, the time of laparoscopic surgery is reduced.
Further, the control panel is heated according to the detection temperature control of design temperature and the temperature sensor
Piece works, and makes the temperature by the gas of the gas-heating apparatus in controlled range, it is to avoid too high or too low gas temperature
Spend the damage caused to human body.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
A kind of annexation schematic diagram for gas-heating apparatus that Fig. 1 provides for one embodiment of the application；
A kind of internal structure schematic diagram for heater that Fig. 2 provides for one embodiment of the application；
A kind of annexation schematic diagram for gas-heating apparatus that Fig. 3 provides for another embodiment of the application；
A kind of annexation schematic diagram for gas-heating apparatus that Fig. 4 provides for another embodiment of the application；
A kind of annexation schematic diagram for gas-heating apparatus that Fig. 5 provides for the further embodiment of the application；
A kind of annexation schematic diagram for gas-heating apparatus that Fig. 6 provides for the preferred embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The embodiment of the present application provides a kind of gas-heating apparatus, and applied to pneumoperitoneum apparatus, as depicted in figs. 1 and 2, Fig. 1 is
The annexation schematic diagram of the gas-heating apparatus, Fig. 2 is the internal structure schematic diagram of the heater, the gas heating
Device includes：Control panel 100 and heater 200；Wherein,
The heater 200 includes package casing 210, the heating plate 220 being arranged inside the package casing 210 and temperature
Sensor 300 is spent, the package casing 210 includes air inlet 211 and gas outlet 212, the air inlet 211 and the pneumoperitoneum apparatus
Connection；
The control panel 100 is connected with the heating plate 220 and temperature sensor 300, for according to design temperature and institute
Heating plate 220 described in the detection temperature control of temperature sensor 300 is stated to work.
It should be noted that in actual application process, the air inlet 211 of the package casing 210 be used for it is described
Pneumoperitoneum apparatus is connected, and receives the gas of the pneumoperitoneum apparatus output, and the gas into the package casing 210 passes through the heating plate
Exported after 220 heating by the gas outlet 212, the gas that the gas outlet 212 is exported is used to input human abdominal cavity, thinks
Operator doctor provides the good visual field and sufficiently large operating space.Because the gas exported by the gas outlet 212 passes through
The heating of the heating plate 220, so that the difference between the gas and design temperature that the gas outlet 212 exports is reduced,
Reduce because cryogenic gas enters human body and induces the probability of shiver with cold and surgery cut infection, and solve due to low temperature gas
Body enters human body and causes the problem of vapor liquefies on the camera lens of laparoscope, makes operator doctor without removing the mirror often
Water smoke on head, reduces the time of laparoscopic surgery.
Further, the control panel 100 is according to the detection temperature control institute of design temperature and the temperature sensor 300
State heating plate 220 to work, make the temperature by the gas of the gas-heating apparatus in controlled range, it is to avoid too high or too low
The damage that is caused to human body of gas temperature.
It should also be noted that, the design temperature can be by being arranged on the button on the surface of control panel 100 or touching
Control shields to realize setting.Specifically, setting temperature can be determined by the combination for the button for being arranged on the surface of control panel 100
Degree, and by confirming that button realizes the signal of design temperature to the input of the control panel 100, wherein, realize design temperature
Signal can be the composite signal of level, with by the different input pins of the control panel 100 input different level come
Realize the determination of design temperature.But the application is not limited the specific setting means of the design temperature.The application's
In other embodiment, the signal of the design temperature can also be wireless communication signals, in these embodiments, the control panel
100 need to have radio receiver, for receiving wireless communication signals and realizing design temperature according to the wireless communication signals
Setting.
In addition, the control panel 100 can be single-chip microcomputer or microprocessor or other control circuits, the control panel 100
The function of the work of heating plate 220 according to the detection temperature control of the design temperature and the temperature sensor 300 can be with
The abundant processing logic realization carried by single-chip microcomputer or microprocessor internal.
It is preferred that, as shown in Fig. 2 the temperature sensor 300 is set close to the gas outlet 212, so that the temperature
The detection temperature of sensor 300 is more nearly the gas temperature into human body.
On the basis of above-described embodiment, in one embodiment of the application, the control panel 100 is according to design temperature
Worked with heating plate 220 described in the detection temperature control of the temperature sensor specifically for according to design temperature and the temperature
The difference of the detection temperature of sensor 300, to the output pulse width modulation (PWM) pulse of heating plate 220, to control described add
The power output of backing 220；
The dutycycle of the pwm pulse is with the design temperature and the change of the difference of the detection temperature of temperature sensor 300
It is small and by initial value gradual change and zero.
It should be noted that present embodiments providing one kind specifically according to the design temperature and the temperature sensor
The process that heating plate 220 described in 300 detection temperature control works, in the present embodiment, the control panel 100 is to the heating
The dutycycle for the pwm pulse that piece 220 is exported decides the power output of the heating plate 220, when the dutycycle of the pwm pulse
When bigger, the power output of the heating plate 220 is higher, to realize the quick heating that gas is inputted to the pneumoperitoneum apparatus, works as institute
The dutycycle for stating pwm pulse is got over hour, and the power output of the heating plate 220 is lower, when the dutycycle of the pwm pulse is zero
When, the power output of the heating plate 220 is zero.
In the present embodiment, when gas-heating apparatus is started working, pwm pulse that the control panel 100 is exported is accounted for
Sky is than being initial value, when the difference of the design temperature and the detection temperature of temperature sensor 300 is more than preset difference value, now
Show that the detection temperature of the temperature sensor 300 is much smaller than the design temperature, the pwm pulse that the control panel 100 is exported
Dutycycle remain initial value, to control the heating plate 220 to be worked with larger power output；When the design temperature with
The difference of the detection temperature of temperature sensor 300 is less than preset difference value, and when tapering into, now shows the temperature sensor
300 detection temperature differs smaller with the design temperature, and gradually close to the design temperature, and the control panel 100 is defeated
The dutycycle of the pwm pulse gone out is from initial value to zero gradual change, to reduce the power output of the heating plate 220, when the temperature
When the detection temperature of sensor 300 is almost identical with the design temperature (such as the detection temperature of described temperature sensor 300 with
The difference of the design temperature is when within 1 DEG C), the dutycycle for the pwm pulse that the control panel 100 is exported is zero, so that institute
The power output for stating heating plate 220 is reduced to zero.
But in the other embodiment of the application, can also be detection temperature when the temperature sensor 300 with it is described
The difference of design temperature thinks the detection temperature and the design temperature of the temperature sensor 300 when within 1.5 DEG C or 2 DEG C
It is almost identical.The application is not limited this, specifically depending on actual conditions.
In addition, the specific value of the initial value regards the species of the heating plate 220 and the volume of the sealing shell
Depending on size.In general, the initial value needs to be more than or equal to 50%.But the application is not limited this, specifically regard
Depending on actual conditions.
On the basis of above-described embodiment, in another embodiment of the application, as shown in figure 3, the gas is heated
Device also includes：Host computer 400 for sending wireless setting instruction；
The control panel 100 also includes radio receiver, for receiving the wireless setting instruction, the wireless setting
Instruct for setting the design temperature.
In the present embodiment, the host computer 400 can be the medical work machine of laparoscopic surgery equipment, the application's
In other embodiment, the host computer 400 can also be that the wireless signal of optional equipment sends equipment, and the application is not done to this
Limit, specifically depending on actual conditions.The radio receiver is converted into after the wireless setting instruction is received
Electric signal, likewise, the electric signal can be the composite signal of level, with by being inputted to the difference of the control panel 100
Pin inputs different level to realize the determination of design temperature.In the other embodiment of the application, the electric signal may be used also
To be signal or the signal combination of other forms, the application is not limited this, specifically depending on actual conditions.
On the basis of above-described embodiment, in another embodiment of the application, as shown in figure 4, the gas is heated
Device also includes：It is connected with the temperature sensor 300, the display of the detection temperature for showing the temperature sensor 300
Device 500.
It should be noted that in one embodiment of the application, the display device 500 can be arranged at the gas
The surface of heater, but in the preferred embodiment of the application, the display device 500 can also be original abdominal cavity
The display device of the working machine of videoendoscopic surgery equipment.The application is not limited this, specifically depending on actual conditions.
On the basis of above-described embodiment, in the preferred embodiment of the application, as shown in figure 5, the heating plate
220 quantity is multiple.
In the present embodiment, the purpose of multiple heating plates 220 is set to be easy for entering the gas in the package casing 210
The uniform heating of row.
On the basis of above-described embodiment, in another preferred embodiment of the application, as shown in figure 5, the gas
Heater also includes：Multiple fin 600；
It is used to set at least one described heating plate 220 between fin 600 described in each two.
It should be noted that the purpose that at least one heating plate 220 is set between fin 600 described in each two is
Increase the area of dissipation of the heating plate 220, further to realize the uniform heating to the gas in the package casing 210.
Figure 5 illustrates be situation that two heating plates 220 are set between fin 600 described in each two, but the application couple
This is not limited, in the other embodiment of the application, and one or three can also be set between fin 600 described in each two
Individual or five heating plates 220, specifically depending on the species of the heating plate and fin.
On the basis of above-described embodiment, in another preferred embodiment of the application, as shown in fig. 6, the control
Plate 100 is also connected with the pneumoperitoneum apparatus, the atmospheric pressure state for obtaining the pneumoperitoneum apparatus.
It should be noted that obtain can be in display device 500 after the atmospheric pressure state of the pneumoperitoneum apparatus for the control panel 100
It is middle to be shown, in order to which attending doctor understands the atmospheric pressure state of the pneumoperitoneum apparatus in real time.
On the basis of above-described embodiment, in another preferred embodiment of the application, the control panel 100 is additionally operable to
When the atmospheric pressure state of the pneumoperitoneum apparatus is less than preset pressure according to the atmospheric pressure state and the design temperature and the temperature
Heating plate 220 described in the detection temperature control of sensor 300 works.
Specifically, in one embodiment of the application, the control panel 100 is less than when the atmospheric pressure state of the pneumoperitoneum apparatus
Add during preset pressure according to the atmospheric pressure state and the design temperature with the detection temperature control of the temperature sensor
Backing work is specifically for when the atmospheric pressure state of the pneumoperitoneum apparatus is less than preset pressure, duty is exported to the heating plate 220
Than the pwm pulse that the atmospheric pressure state with the pneumoperitoneum apparatus diminishes and faded to by the first preset value the second preset value, to control
The power output of heating plate 220 is stated, first preset value is more than zero, and less than second preset value.
It should be noted that when the pneumoperitoneum apparatus because the operations such as cleaning, attraction cause the atmospheric pressure state of the pneumoperitoneum apparatus
, it is necessary to the dutycycle for the pwm pulse that the control panel 100 is exported to the heating plate 220 be lifted, with reality during less than preset pressure
Now to the quick heating of a large amount of gases.Therefore first preset value and the second preset value need it is larger, but likewise, they
Depending on specific value still will be according to the specific species of the heating plate 220 and the volume of package casing 210, it is however generally that, institute
State the first preset value and the second preset value be both needed to it is larger, such as 50% or 70%, the application is not limited this, specific to regard real
Depending on the situation of border.
Accordingly, present invention also provides a kind of pneumoperitoneum apparatus, including the gas heating dress as described in above-mentioned any embodiment
Put.
In summary, the embodiment of the present application provides a kind of gas-heating apparatus and pneumoperitoneum apparatus, wherein, the package casing
210 air inlet 211 is used to be connected with the pneumoperitoneum apparatus, the gas of the pneumoperitoneum apparatus output is received, into the package casing
210 gas is exported after the heating of the heating plate 220 by the gas outlet 212, to reduce the gas of output with setting
Difference between constant temperature degree, reduce due to cryogenic gas enter human body and induce shiver with cold and surgery cut infection probability, and
And solve because cryogenic gas enters human body and causes the problem of vapor liquefies on the camera lens of laparoscope, make operator doctor
Without removing the water smoke on the camera lens often, the time of laparoscopic surgery is reduced.
Further, the control panel 100 is according to the detection temperature control institute of design temperature and the temperature sensor 300
State heating plate 220 to work, make the temperature by the gas of the gas-heating apparatus in controlled range, it is to avoid too high or too low
The damage that is caused to human body of gas temperature.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of gas-heating apparatus, it is characterised in that applied to pneumoperitoneum apparatus, the gas-heating apparatus includes：Control panel and
Heater；Wherein,
The heater includes package casing, the heating plate and temperature sensor being arranged inside the package casing, the envelope
Casing includes air inlet and gas outlet, and the air inlet is connected with the pneumoperitoneum apparatus；
The control panel is connected with the heating plate and temperature sensor, for according to design temperature and the temperature sensor
Detect heating plate work described in temperature control.
2. gas-heating apparatus according to claim 1, it is characterised in that the control panel according to design temperature with it is described
Heating plate work is specifically for according to design temperature and the temperature sensor described in the detection temperature control of temperature sensor
The difference of temperature is detected, to the heating plate output pulse width modulation (PWM) pulse, to control the output work of the heating plate
Rate；
The dutycycle of the pwm pulse is with the diminishing for difference of the design temperature and the detection temperature of temperature sensor by first
Initial value gradual change and zero.
3. gas-heating apparatus according to claim 1, it is characterised in that also include：For sending wireless setting instruction
Host computer；
The control panel also includes radio receiver, and for receiving the wireless setting instruction, the wireless setting instruction is used
In the setting design temperature.
4. gas-heating apparatus according to claim 1, it is characterised in that also include：It is connected with the temperature sensor,
For the display device for the detection temperature for showing the temperature sensor.
5. gas-heating apparatus according to claim 1, it is characterised in that the quantity of the heating plate is multiple.
6. gas-heating apparatus according to claim 5, it is characterised in that also include：Multiple fin；
It is used to set at least one described heating plate between fin described in each two.
7. gas-heating apparatus according to claim 1, it is characterised in that the control panel also connects with the pneumoperitoneum apparatus
Connect, the atmospheric pressure state for obtaining the pneumoperitoneum apparatus.
8. gas-heating apparatus according to claim 7, it is characterised in that the control panel is additionally operable to work as the pneumoperitoneum apparatus
Atmospheric pressure state when being less than preset pressure according to the detection of the atmospheric pressure state and the design temperature and the temperature sensor
Heating plate described in temperature control works.
9. gas-heating apparatus according to claim 8, it is characterised in that the control panel works as the air pressure of the pneumoperitoneum apparatus
According to the detection temperature control of the atmospheric pressure state and the design temperature and the temperature sensor when state is less than preset pressure
The heating plate work is made, it is defeated to the heating plate specifically for when the atmospheric pressure state of the pneumoperitoneum apparatus is less than preset pressure
Go out the pwm pulse that dutycycle diminishes and faded to by the first preset value the second preset value with the atmospheric pressure state of the pneumoperitoneum apparatus, with
The power output of the heating plate is controlled, first preset value is more than zero, and less than second preset value.
10. a kind of pneumoperitoneum apparatus, it is characterised in that including the gas-heating apparatus as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621330835.4U CN206603791U (en) | 2016-12-06 | 2016-12-06 | A kind of gas-heating apparatus and pneumoperitoneum apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621330835.4U CN206603791U (en) | 2016-12-06 | 2016-12-06 | A kind of gas-heating apparatus and pneumoperitoneum apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206603791U true CN206603791U (en) | 2017-11-03 |
Family
ID=60171581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621330835.4U Active CN206603791U (en) | 2016-12-06 | 2016-12-06 | A kind of gas-heating apparatus and pneumoperitoneum apparatus |
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| Country | Link |
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| CN (1) | CN206603791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464391A (en) * | 2019-08-26 | 2019-11-19 | 浙江纳雄医疗器械有限公司 | A kind of pneumoperitoneum apparatus calibrating installation |
| 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 |
-
2016
- 2016-12-06 CN CN201621330835.4U patent/CN206603791U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464391A (en) * | 2019-08-26 | 2019-11-19 | 浙江纳雄医疗器械有限公司 | A kind of pneumoperitoneum apparatus calibrating installation |
| 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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