CN111134860A

CN111134860A - Smoke gas discharging device in medical endoscopic surgery

Info

Publication number: CN111134860A
Application number: CN202010141532.2A
Authority: CN
Inventors: 胡佳; 周萍; 吴源周; 何巧芳; 周庆祝; 石娅; 陈秋平; 陈俊
Original assignee: Southern Medical University Zhujiang Hospital
Current assignee: Southern Medical University Zhujiang Hospital
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-05-12

Abstract

The invention discloses a smoke gas discharging device in medical endoscopic surgery, which is used for connecting a puncture outfit and collecting operation smoke and comprises a guide pipe, a collector and a filter, wherein one end of the guide pipe is connected with a poking card of the puncture outfit, the other end of the guide pipe is connected with the collector, the collector and the filter are arranged in a movable box, the filter is arranged on the side edge of the collector, the collector is used for collecting water vapor and carbon dioxide, and the filter is used for filtering particles, so that the problems that the operation visual field is not clear, the operation is difficult, the operation time is prolonged due to manual deflation and the harm to the health of operation personnel due to the suction of waste gas caused by excessive smoke.

Description

Smoke gas discharging device in medical endoscopic surgery

Technical Field

The invention belongs to the field of auxiliary medical instruments, and particularly relates to a smoke gas discharging device in medical endoscopy.

Background

With the development of medical technology, tools such as electrosurgical equipment, laser scalpel, ultrasonic scalpel and the like are widely used in surgery, so that modern medical work is more convenient and effective, and meanwhile, surgical smoke generated in the surgery process also brings serious health hidden dangers to medical staff. Surgical smoke refers to gaseous substances generated during surgery, and is also called aerosol, burning smoke, diathermy plume and the like, and is formed by destroying and vaporizing tissue proteins and fat by a high-frequency electric burning knife, a laser knife, an ultrasonic surgical knife, a high-speed drill bit, a saw blade and instrument burrs during the surgical operation. The surgical smoke not only obstructs the view of the surgical personnel, but also releases toxic and harmful substances into the air. Can cause the operating room personnel to have symptoms such as headache, eye and mucosa inflammation, and the like, and can also have long-term potential harm to human health.

Surgical smoke is composed of 95% water or water vapor and 5% cellular debris present in particulate form. These particles contain the following main ingredients: blood and tissue debris, harmful chemicals, active viruses, active cells, inactive particles, mutation-inducing substances, and the like.

Therefore, in the surgical operation process, the surgical smoke pumping and exhausting equipment with a high-efficiency filtering system is required to be equipped, the exhaust rate is at least 31-46 m/s, and the air renewal rate of an operating room is more than 15%.

However, the existing surgical smoke pumping equipment has the following problems:

1. the operation field is not clear and the operation is difficult due to smoke generated by electric coagulation and carbon dioxide in the operation

2. Adopts the medical bag to connect the puncture outfit and adopts the waiting time of the traditional manual deflation, thereby prolonging the operation time

3. Exhaust gas is discharged, surgical personnel inhale the exhaust gas, and the surgical personnel are harmful to health.

Disclosure of Invention

The invention provides a smoke gas discharging device in a medical endoscopic surgery, which can solve the problems that the prior art has unclear operation visual field, difficult operation, prolonged operation time due to manual deflation and harm to health caused by waste gas sucked by operating personnel due to excessive smoke.

Compared with the prior art, the invention has the innovation points that:

this gaseous discharging equipment of smog in medical laparoscopic surgery for with connect the puncture ware and collect operation smog, including pipe, collector and filter, puncture ware stabs the card is connected to pipe one end, and the collector is connected to the other end of pipe, collector and filter are located one and are removed the incasement, and the collector side is located to the filter, the collector is used for collecting vapor and carbon dioxide, the filter is used for filtering the particulate matter.

Furthermore, the collector is provided with an air inlet hole, a water discharging hole and a water level sensor, the conduit penetrates into the air inlet hole to enable water vapor to flow into the collector, pure liquid is poured into the collector through the water inlet hole, the liquid is discharged through the water discharging hole, the water level sensor is arranged on the side wall of the collector, and the water level sensor is used for sensing abnormal water level and alarming.

Furthermore, the filter comprises an active carbon filter screen, a cold catalyst, an ozone generator and a fan, and the smoke is filtered by the ozone generator, the cold catalyst and the active carbon filter screen in sequence and then blown out of the filtered gas by the fan.

Further, the movable box is provided with an air outlet, the air outlet is arranged on the side edge of the fan, and filtered air flows out of the air outlet.

Furthermore, the filter also comprises a control circuit board, and the control circuit board is connected with the ozone generator, the fan and the water level sensor so as to control the generation of ozone, the rotation of the fan and the abnormal alarm of water level sensing.

Furthermore, a threaded joint is arranged at the joint of the puncture outfit and the catheter, and the puncture outfit and the catheter are fixedly connected through the threaded joint.

Furthermore, the air inlet is provided with a sealing ring, so that the sealing performance of the air inlet is ensured.

Furthermore, a rubber plug and a screw cap are arranged at the position of the water inlet hole and the position of the water discharge hole, the water inlet hole and the water discharge hole are plugged through the rubber plug, and the screw cap is screwed down.

Furthermore, a plurality of rolling wheels are arranged below the movable box, and the position of the discharge device is moved through the rolling wheels.

Furthermore, a fixing piece is arranged on the rolling wheel, and the rolling wheel is controlled to rotate through the fixing piece.

The invention has the beneficial effects that:

(1) designing a collector and a filter, wherein the collector collects most of water or water vapor in the smoke, activated carbon and a cold catalyst in the filter blood, tissue fragments and inactive particles, an ozone generator filters harmful chemical components, active viruses, active cells and mutation-inducing substances, and a fan discharges the filtered gas, so that the problems of unclear surgical field and harm to health caused by waste gas sucked by surgical personnel are solved;

(2) compared with a medical bag, the collector has good compatibility and fixed capacity;

(3) the gas can be continuously exhausted, and meanwhile, the sufficient operation space and the definition of a narrow operation field can be ensured, the times of wiping the lens are reduced, the time for waiting for smoke emission is shortened, the pollution is reduced, and the operation time is shortened;

(4) the smoke exhaust duct interface is connected with the poking card in a threaded manner to prevent the interface from loosening and falling;

(5) the water inlet hole and the air inlet hole are two channels, so that the operation is simple and convenient without assembly and disassembly.

Drawings

FIG. 1 is a schematic diagram of a prior art smoke collection bag;

FIG. 2 is a schematic structural view of the smoke gas discharging device in medical endoscopy of the present invention;

FIG. 3 is a schematic view of the exploded structure of the smoke gas exhausting device in medical endoscopy of the present invention;

FIG. 4 is a schematic circuit diagram of a water level sensor of the smoke gas discharging device in medical endoscopy;

FIG. 5 is a schematic diagram of the ozone generator circuit of the smoke gas discharging device in the medical endoscopic surgery.

In the figure, S1 is a smoking pipe, S2 is a collection bag, a is an abdominal wall, 1 is a guide pipe, 2 is a moving box, 21 is an air outlet, 22 is a rolling wheel, 23 is a fixing member, 3 is a collector, 31 is an air inlet, 32 is an inlet hole, 33 is a drain hole, 34 is a water level sensor, 35 is a rubber plug, 36 is a screw cap, 37 is a sealing ring, 4 is a filter, 41 is an activated carbon filter screen, 42 is a cold catalyst, 43 is an ozone generator, 44 is a fan, 45 is a control circuit board, 6 is a partition board, 7 is a clamping groove, and 8 is a threaded joint.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

Referring to fig. 1, the smoke discharging structure of the collection bag in the existing endoscopic surgery is schematically shown, the bag body is small in size, and the collection speed is low.

Referring to fig. 2 and 3, the smoke gas discharging device in medical endoscopy of the present invention is used for connecting with a puncture outfit 5 and collecting operation smoke, and comprises a conduit 1, a collector 3 and a filter 4, wherein one end of the conduit 1 is connected with a poking card of the puncture outfit 5, the other end of the conduit 1 is connected with the collector 3, the collector 3 and the filter 4 are arranged in a movable box 2, the filter 4 is arranged at the side of the collector 3, the collector 3 is used for collecting water vapor and carbon dioxide, and the filter 4 is used for filtering particulate matters.

The collector 3 is provided with an air inlet hole 31, a water inlet hole 32, a water discharge hole 33 and a water level sensor 34, the conduit 1 penetrates the air inlet hole 31 to enable water vapor to flow into the collector 3, pure liquid is poured into the collector through the water inlet hole 32, the liquid is discharged through the water discharge hole 33, the water level sensor 34 is arranged on the side wall of the collector 3, the water level sensor 34 is used for sensing abnormal water level and alarming, a partition plate 6 is arranged in the movable box 2, the water level sensor 34 is arranged on the partition plate 6, in addition, the height of the partition plate 6 is slightly lower than that of the movable box 2, and gas which cannot be dissolved in water flows to the filter 4 from the collector 3 through height difference, and is filtered and taken out.

The filter 4 comprises an activated carbon filter screen 41, a cold catalyst 32, an ozone generator 43 and a fan 44, and the smoke is filtered by the ozone generator 43, the cold catalyst 42 and the activated carbon filter screen 41 in sequence and then blown out of the filtered gas by the fan 44.

Furthermore, a clamping groove 7 is arranged in the moving box 2, and the activated carbon filter screen 41, the cold catalyst 32, the ozone generator 43 and the fan 44 are clamped in the moving box 2 through the clamping groove 7.

The movable box 2 is provided with an air outlet 21, the air outlet 21 is arranged on the side edge of the fan 44, and filtered air flows out of the air outlet 21.

The filter 4 further comprises a control circuit board 45, and the control circuit board 45 is connected with the ozone generator 43, the fan 44 and the water level sensor 34, so that the ozone generation, the fan rotation and the water level sensing abnormity alarm are controlled.

The puncture outfit 5 is provided with a threaded joint 8 at the joint with the catheter 1, and the puncture outfit 5 is fixedly connected with the catheter 1 through the threaded joint 8.

The air inlet hole 31 is provided with a sealing ring 37, so that the sealing performance of the air inlet hole 31 is ensured.

The water inlet hole 32 and the water discharge hole 33 are both provided with a rubber plug 35 and a screw cap 36, the water inlet hole 32 and the water discharge hole 33 are plugged by the rubber plug 35, and the screw cap 36 is screwed down.

4 rolling wheels 22 are arranged below the moving box 2, and the position of the discharging device is moved through the rolling wheels 22.

The rolling wheel 22 is provided with a fixing part 23, the rotation of the rolling wheel 22 is controlled by the fixing part 23, the rolling wheel 22 cannot rotate by pressing down the fixing part 23, the fixing part 23 is reset, and the rolling wheel 22 is restored to rotate.

Referring to fig. 4, the full water alarm is manufactured by using a 555 time-base integrated circuit as a main element, and in the circuit, a water level detection electrode A, B, a resistor R1 and a transistor V1 form a water level detection circuit; the acousto-optic alarm circuit consists of transistors V1-V4, a capacitor C, resistors R1 and R2, a light emitting diode VL and an alarm HA.

When the water level in the water pool or the water tank does not reach the set water level, the resistance value between the electrodes A, B is large, the V1 is in a cut-off state, the acousto-optic alarm circuit does not work, VL does not emit light, and HA does not sound. When the water level reaches the set water level, the electrodes A, B are connected through the water resistor to turn on V1-V4, VL is lightened, and HA gives an alarm.

By varying the distance between the electrodes A, B, the alarm water level can be set. The sensitivity of the alarm action can be changed by adjusting the resistance value of the R1.

Referring to fig. 5, the commercial power is rectified by a diode and filtered by a large capacitor C2 to obtain a dc voltage of more than 200V. At the beginning, the current passes through R5, the winding at the lower end of the primary of the transformer is added to the base emitter of Q1, then a loop is formed through R3, Q1 is switched on, the current limiting is started due to the primary inductance at the upper end of the transformer, Q1 is in a saturated state, then the Q1 driving voltage is provided by the winding at the lower end of the primary of the transformer (the same name ends of the upper and lower windings of the primary are: the uppermost end and the lowermost end at the upper end), the primary current of the transformer is slowly increased, when the current is increased to a certain time, Q1 enters an amplifying area, the voltage of the primary winding is reduced, and then Q. The secondary stage should have a diode, when the circuit is operated in the above state, the secondary stage is not operated, the secondary stage is operated after Q1 is cut off, and the high voltage can be obtained at the secondary stage by setting the turn ratio of the primary stage and the secondary stage of the transformer. Under the action of high-frequency high-voltage strong electric field, the gas generates pulse corona discharge along the surface of the ozone generator 43 to generate plasma, so that oxygen molecules are instantaneously decomposed into monatomic oxygen, and the monatomic oxygen is rapidly combined with oxygen to form ozone.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. Smoke gas discharging equipment in medical laparoscopic for with connect the puncture ware and collect operation smog, its characterized in that, including pipe, collector and filter, the card of stabbing of puncture ware is connected to pipe one end, the collector is connected to the other end of pipe, a removal incasement is located to collector and filter, and the collector side is located to the filter, the collector is used for collecting vapor and carbon dioxide, the filter is used for filtering the particulate matter.

2. The smoke and gas exhausting device for medical endoscopy as set forth in claim 1, wherein the collector is provided with an air inlet hole, a water outlet hole, and a water level sensor, the conduit penetrates the air inlet hole to flow water vapor into the collector, the purified liquid is poured through the water inlet hole, and the liquid is discharged through the water outlet hole, the water level sensor is provided on a side wall of the collector, and the water level sensor is used for alarming abnormality in water level sensing.

3. The smoke gas discharging device for medical endoscopy as set forth in claim 1, wherein the filter comprises an activated carbon filter, a cold catalyst, an ozone generator and a blower, and wherein the smoke is filtered by the ozone generator, the cold catalyst and the activated carbon filter in sequence and then blown out by the blower.

4. The smoke and gas discharging device for medical endoscopy as set forth in claim 1, wherein the moving box is provided with an air outlet, the air outlet is provided at a side of the blower, and filtered gas flows out of the air outlet.

5. The smoke gas discharging device for medical endoscopy as set forth in claim 3, wherein the filter further comprises a control circuit board, the control circuit board is connected to the ozone generator, the blower and the water level sensor, thereby controlling the generation of ozone, the rotation of the blower and the alarm of abnormality in water level sensing.

6. The smoke and gas exhausting device for medical endoscopy as set forth in claim 1, wherein a threaded joint is provided at the connection of the puncture outfit and the catheter, and the puncture outfit and the catheter are fixedly connected through the threaded joint.

7. The smoke gas discharging device for medical endoscopy as set forth in claim 2, wherein the gas inlet hole is provided with a sealing ring to ensure the sealing of the gas inlet hole.

8. The smoke and gas discharging device for medical endoscopy as set forth in claim 2, wherein a plug and a screw cap are provided at the inlet hole and the drain hole, the plug is used to plug the inlet hole and the drain hole, and the screw cap is screwed down.

9. The smoke and gas discharging device for medical endoscopy as set forth in claim 1, wherein a plurality of rolling wheels are provided under the moving box, and the position of the discharging device is moved by the rolling wheels.

10. The smoke and gas exhausting device for medical endoscopy as set forth in claim 9, wherein the rolling wheel is provided with a fixing member, and the rotation of the rolling wheel is controlled by the fixing member.