CN114177373B - Automatic hydrothorax and ascites collecting equipment - Google Patents

Abstract

The invention discloses automatic hydrothorax and ascites collecting equipment, which comprises an executing mechanism arranged in a shell, wherein a slideway is arranged at the inner bottom of the shell, and a power mechanism is arranged outside the slideway; a placing area, a transferring area, a liquid collecting area and a storage area are sequentially arranged in the slideway along the liquid collecting bottle conveying direction; the execution mechanism comprises a negative pressure pump, a printing mechanism, a first clamping mechanism and a second clamping mechanism, wherein a negative pressure needle head on the first clamping mechanism and a liquid collecting needle head on the second clamping mechanism are correspondingly arranged above the liquid pumping point, and the negative pressure needle head and the liquid collecting needle head penetrate downwards through a bottle mouth film of the liquid collecting bottle and are inserted into the bottle; the negative pressure needle head is connected with the negative pressure pump through a negative pressure pipe, and the liquid collecting needle head is connected with a puncture needle head which punctures the chest or the abdomen of the patient through a liquid collecting pipe; the printing mechanism is arranged above the sealing point. The device can automatically collect hydrothorax and ascites after medical staff completes thoracoabdominal puncture on a patient, can sterilize and disinfect the liquid collecting bottle, and is convenient for storing and sending the collected hydrothorax and ascites to inspection.

Description

An automatic collection device for pleural effusion

technical field

The invention belongs to the field of medical equipment, and in particular relates to an automatic collection equipment for pleural effusion.

Background technique

Malignant tumors and other diseases such as pneumonia, tuberculosis, heart failure, liver disease, autoimmune diseases, etc. can cause pleural effusion and ascites. Pleural effusion will cause patients to have difficulty breathing accompanied by symptoms such as chest pain and cough. Ascites will cause patients to bloating and abdominal pain , edema, decreased urine output, dyspnea, malnutrition and other symptoms. Sometimes pleural effusion or ascites can cause more harm to patients than the disease itself. Therefore, doctors often take a certain amount of pleural effusion or ascites to relieve and eliminate the suffering of patients. At the same time, the pleural effusion or ascites extracted can be used for the laboratory tests of various indicators, and the treatment plan can be adjusted according to the test results, so as to speed up the treatment process and make the patient recover as soon as possible.

At present, the traditional method of extracting pleural effusion or ascites is to puncture the patient's chest or abdomen under aseptic conditions, and then manually operate multiple suctions to complete it. The labor intensity of medical staff is high and the efficiency is low. , then the long-term contact of medical staff will greatly increase the risk of infection. Therefore, how to reduce the labor intensity of medical staff when extracting pleural effusion or ascites for patients, save the precious time of medical staff, improve work efficiency, reduce the risk of medical staff being infected by contagious pleural effusion, and ensure the health and life safety of medical staff are important. Problems to be solved urgently in this technical field.

Contents of the invention

In order to solve the deficiencies of the prior art, the present invention aims to provide an automatic collection device for pleural and ascites. This device can automatically collect pleural and ascites after the medical staff completes the chest and abdomen puncture on the patient, and can also sterilize the liquid collection bottle, which is convenient The collected pleural and ascites fluid was stored and sent for inspection.

In order to achieve the above object, the technical scheme adopted in the present invention is:

An automatic collection device for pleural and ascites, comprising an actuator set in a housing, a control panel is provided on the top of the housing, a sealing window communicating with the inside is provided on the side of the housing; a first baffle is provided at the inner bottom of the housing and the second baffle, a slideway for placing the liquid collection bottle is formed between the first baffle and the second baffle, and a power mechanism is provided outside the slideway to push the liquid collection bottle forward; the inside of the slideway is transported along the liquid collection bottle The direction is followed by a placement area, a transfer area, a liquid collection area and a storage area. The unused liquid collection bottle is placed in the placement area, and the liquid collection bottle that has been collected is in the storage area; the liquid collection area is along the direction of the liquid collection bottle. There are waiting points, pumping points and sealing points in turn;

The actuator includes a negative pressure pump, a printing mechanism, a first clamping mechanism, and a second clamping mechanism, and the negative pressure needle fixed at the action end of the first clamping mechanism corresponds to the liquid collection needle fixed at the action end of the second clamping mechanism. Located above the liquid pumping point, both the negative pressure needle and the liquid collection needle are inserted downward through the mouth film of the liquid collection bottle; the negative pressure needle is connected to the negative pressure pump through a negative pressure tube, and the liquid collection needle passes through the liquid collection bottle The tube is connected with the puncture needle that punctures the patient's chest or abdomen; the printing mechanism is arranged above the sealing point; the power mechanism, negative pressure pump, printing mechanism and two clamping mechanisms are all connected with the control panel.

Preferably, both the first baffle and the second baffle are designed in a square shape, and the second baffle is arranged inside the first baffle; the structure of the slideway is in a "back" shape.

Preferably, the power mechanism includes four first push rods correspondingly arranged at the four corners of the first baffle, and the push plate installed on the output end of the first push rod extends through the first baffle into the slideway.

Preferably, the first clamping mechanism includes a first motor and a first rotating rod, one end of the first rotating rod is fixedly connected to the output end of the first motor, and the negative pressure needle is detachably mounted on the other end of the first rotating rod; The second clamping mechanism includes a second motor and a second rotating rod, one end of the second rotating rod is fixedly connected to the output end of the second motor, and the other end of the second rotating rod is detachably mounted on the liquid collection needle.

Preferably, a liquid level probe is fixedly connected to the tip of the negative pressure needle.

Preferably, the height of the negative pressure needle in the liquid collection bottle is greater than that of the liquid collection needle.

Preferably, a partition plate is fixed horizontally in the housing above the actuator; the printing mechanism includes a printer, a reel, a reel motor, a sealing platen and a second push rod, and the label tape of the printer passes vertically through the slideway above the sealing point Finally, it is connected with the reel installed on the inner wall of the housing, and the reel is connected with the power of the reel motor; the sealing pressing plate corresponding to the sealing point is arranged under the interlayer board, and is connected with the second push rod output end installed on the interlayer board.

Preferably, a disinfection device is provided above the liquid collection area.

Preferably, the sterilizing device comprises a sterilizing plate and an ultraviolet lamp.

Preferably, a storage box is provided in the groove opened downward in the storage area, and the liquid collection bottle that has been collected is placed in the storage box.

The beneficial effects that the present invention has are:

1. In the present invention, two motors drive the corresponding rotating rod to rotate, and then the rotating rod drives the two needles to move downward, pierce the bottle mouth membrane of the liquid collection bottle and penetrate into the bottle. After the medical staff completes the chest and abdomen puncture on the patient The pleural and ascites can be collected through the action of the negative pressure pump, which greatly reduces the labor intensity of medical staff and improves their work efficiency.

2. The push plate installed on the output end of the first push rod penetrates the first baffle and extends into the slideway, and through the action of the first push rod on each side of the slideway, the counterclockwise transportation of the liquid collection bottle in the slideway can be realized Operation, so that the liquid collection bottle is transported between different areas in the slideway, and the transportation efficiency of the liquid collection bottle is improved.

3. The liquid collection needle is connected to the puncture needle that punctures the patient's chest or abdomen through the liquid collection tube. The negative pressure pump operates, and the negative pressure needle draws the negative pressure out of the liquid collection bottle, and the liquid collection tube connected to the puncture needle goes into the bottle. When starting to pump pleural effusion or ascites, the medical staff does not need to contact the patient all the way, which avoids the risk of infection of the medical staff and guarantees their life, health and safety.

4. The height of the negative pressure needle in the liquid collection bottle is greater than that of the liquid collection needle. There is no liquid level probe installed at the end of the liquid collection needle. The liquid collection needle is longer and can penetrate deeper into the liquid collection bottle, and there is a certain gap with the bottom of the bottle, which can prevent the pleural and abdominal fluid from splashing on the liquid level probe of the negative pressure needle. Cause the control system to judge wrongly.

5. Since the operation of pulling out the needle will cause a small amount of pleural and abdominal fluid to be taken out of the liquid collection bottle by the liquid collection needle or the liquid level probe and drop on the flat slideway, in order to sterilize and disinfect, the waiting point, the liquid extraction point, and the sealing point A disinfection device including a disinfection board and an ultraviolet lamp is installed on the upper partition board, which can eliminate bacteria and viruses in the liquid collection area.

Description of drawings

Fig. 1 is the schematic diagram of housing structure of the present invention;

Fig. 2 is a structural schematic diagram of the actuator of the present invention;

Fig. 3 is the plan view of interlayer plate of the present invention;

Fig. 4 is a schematic diagram of the connection of the negative pressure needle of the present invention.

Detailed ways

As shown in Fig. 1-4, the present invention proposes a kind of automatic collection equipment of pleural effusion, comprises the executive mechanism that is located in housing 1, and the top of housing 1 is provided with control panel 11, control switch 12 and alarm 13, controls The panel 11 adopts a touch screen display integrated with a processor. A rechargeable battery for powering each unit of the device is installed on the compartment below the control panel 11 . The casing 1 is provided with a socket 14 for charging the rechargeable battery. The inner bottom of the housing 1 is provided with a first baffle plate 21 and a second baffle plate 22 of square design, the second baffle plate 22 is smaller than the first baffle plate 21 and is arranged in the first baffle plate 21, and then on the first baffle plate 21 A "return" type slideway 20 is formed between the second baffle plate 22, and the liquid collection bottle 3 is slidably transported in the slideway 20.

The outside of the slideway 20 is provided with a power mechanism that promotes the liquid collection bottle 3 to move forward. The power mechanism includes four first push rods 23 corresponding to the four corners of the first baffle plate 21, two adjacent first push rods 23 are perpendicular to each other, and each first push rod 23 is adjacent to a side of the square slideway 20. correspond. The first push rod 23 adopts an electric telescopic rod. The push plate 231 installed on the output end of the first push rod 23 penetrates through the first baffle plate 21 and extends into the slideway 20. Through the action of the first push rod 23 on each side of the slideway 20, the inner collection of the slideway 20 can be realized. The counterclockwise transportation operation of the liquid bottle 3 further enables the liquid collection bottle 3 to be transported between different areas in the slideway 20 , improving the transportation efficiency of the liquid collection bottle 3 .

As shown in FIG. 2 , a placement area 201 , a transfer area 202 , a liquid collection area 203 and a storage area 204 are sequentially arranged in the slideway 20 along the conveying direction of the liquid collection bottle 3 . The unused liquid collection bottle 3 is placed in the storage area 201, and the clean liquid collection bottle 3 is transported to the liquid collection area 203 through the transfer area 202 by the action of the first push rod 23 for liquid collection. Push to the storage area 204. The storage area 204 is provided with a storage box 8 in the groove provided downwards. The side opening of the storage box 8 is embedded in the groove. Gather liquid collecting bottle 3 that seals mouth well and advance storage box 8 to collect and store, and storage box 8 can be replaced, has made things convenient for liquid collecting bottle 3 to store in groups.

Each side of the housing 1 is provided with a sealing window 16, and the four sealing windows 16 are respectively corresponding to the placement area 201, the transfer area 202, the liquid collection area 203 and the storage area 204, so as to facilitate the liquid collection bottle 3 in each area. Perform operations such as observation and replacement. The sealing window 16 is also provided with a handle 161 and a lock 162 for easy opening and closing and locking.

The liquid collecting area 203 is provided with a waiting point 2031 , a liquid pumping point 2032 and a sealing point 2033 sequentially along the conveying direction of the liquid collecting bottle 3 . The actuator includes a negative pressure pump 7, a printing mechanism, a first clamping mechanism and a second clamping mechanism, a negative pressure needle 61 fixed at the action end of the first clamping mechanism and a liquid collection needle 62 fixed at the action end of the second clamping mechanism Correspondingly set above the liquid pumping point 2032. The first clamping mechanism includes a first motor 52 and a first rotating rod 521. The first rotating rod 521 is an L-shaped design. One end of the right angle side of the first rotating rod 521 is fixedly connected to the output end of the first motor 52. The clip 5211 is detachably mounted on the other end of the right-angle side of the first rotating rod 521 . A counterweight 5212 is also provided at the right angle of the first rotating rod 521, which can effectively prevent the first rotating rod 521 from shaking when it moves, and improve its structural stability.

The second clamping mechanism includes a second motor 51 and a second rotating rod 511 , and the second rotating rod 511 has the same structure as the first rotating rod 521 . One end of the second rotating rod 511 is fixedly connected to the output end of the second motor 51 , and the liquid collection needle 62 is detachably mounted on the other end of the second rotating rod 511 through the clamping member 5211 . The collection needle 62 is for single use.

The negative pressure needle 61 is connected with the negative pressure pump 7 through the negative pressure tube 71 , and the negative pressure pump 7 is connected with a pressure gauge 72 connected with the control panel 11 . The liquid collection needle 62 is connected with the puncture needle that punctures the patient's chest or abdomen through the liquid collection tube 621 . The negative pressure pump 7 operates, and the negative pressure needle 61 draws the negative pressure out of the liquid collection bottle 3, and the liquid collection pipe 621 connected to the puncture needle starts pumping pleural effusion or ascites into the bottle, which does not require medical staff to contact the patient all the way, avoiding medical care. The risk of personnel being infected ensures their life, health and safety. The first rotating rod 521 and the second rotating rod 511 are kept on the same plane above the pumping point 2032, and the relative position of the two is just above the mouth of the liquid collection bottle 3, which is convenient for holding the needle of the negative pressure tube 71 and the liquid collection The needle 62 penetrates the bottleneck membrane of the liquid collection bottle 3 downwards and is inserted in the bottle. The two motors drive the corresponding rotating rod to rotate, and then the rotating rod drives the two needles to move downward, pierce the bottle mouth membrane of the liquid collection bottle 3 and penetrate into the bottle, and pass the negative pressure after the medical staff completes the thoracoabdominal puncture on the patient. The action of the pump 7 can collect pleural and ascites, which greatly reduces the labor intensity of medical staff and improves their work efficiency.

The needle tip of the negative pressure needle 61 is fixedly connected with a liquid level probe 611 , which can detect the liquid level in the liquid collection bottle 3 in real time. The negative pressure needle 61 in the liquid collection bottle 3 extends into a height greater than the liquid collection needle 62 . The liquid level probe 611 is not installed at the end of the liquid collection needle 62, the liquid collection needle 62 is longer and can penetrate deeper into the liquid collection bottle 3, and there is a certain gap with the bottom of the bottle, which can prevent the pleural and abdominal fluid from splashing into the negative pressure needle 61. The liquid level probe 611 causes a judgment error in the control system.

A partition plate 15 is horizontally fixed in the casing 1 above the actuator. The printing mechanism above the sealing point 2033 includes a printer 41, a reel 42, a reel motor 43, a sealing platen and a second push rod 44 (using an electric push rod), and the label tape 411 of the printer 41 passes vertically through the slide above the sealing point 2033. The road 20 is connected to the reel 42 installed on the inner wall of the housing 1, and the reel 42 is connected to the power of the reel motor 43. The sealing pressing plate corresponding to the sealing point 2033 is arranged under the interlayer board 15 and is connected to the output end of the second push rod 44 installed on the interlayer board 15 . As the printer 41, a thermal printer 41 is used. When sealing, the second push rod 44 drives the sealing platen to move downward, pressing the label tape 411 on the bottle mouth film of the liquid collection bottle 3, and then reseals the bottle mouth film pierced by the needle. The sealing operation is more convenient and efficient, preventing Infection of healthcare workers.

Because the operation of pulling out the needle will cause a small amount of pleural and ascites to be taken out of the liquid collection bottle 3 by the liquid collection needle 62 or the liquid level probe 611 and drop on the slideway 20 outside the flat, in order to sterilize and disinfect, at the waiting point 2031, the liquid extraction point 2032. A disinfection device is installed on the interlayer board 15 directly above the sealing point 2033, and the disinfection device includes a disinfection board 91 and an ultraviolet lamp 92. The surface of the disinfection plate 91 is coated with a mixed coating of nano-zirconia and nano-diamond with bactericidal effect. Due to the small size effect, the nano-zirconia and nano-diamond can reflect most of the ultraviolet light, and the ultraviolet light emitted by the ultraviolet lamp 92 can be irradiated concentrated The liquid area 203 is used for strong sterilization and disinfection. In addition, nano-zirconia and nano-diamond have very strong activity and strong adsorption capacity due to their huge specific surface area and serious bond mismatch. Moreover, nano-zirconia and nano-diamond have various functional groups such as hydroxyl, carbonyl, and carboxyl. Extremely strong capture ability can capture and eliminate bacteria and viruses above the liquid collection area 203.

When using the present invention, open the sealing window 16 and put the new liquid collection bottle 3 and the storage box 8 into the return-shaped slideway 20, set the patient information and the liquid collection amount through the control panel 11; replace the new liquid collection needle 62, Connect the liquid collecting tube 621 with the puncture needle used for aseptic puncture in the patient's chest or abdomen, and click the "start collecting liquid" command on the control panel 11 . The first motor 52 and the second motor 51 act, so that the first rotating rod 521 and the second rotating rod 511 clamp the negative pressure needle 61 and the liquid collection needle 62 to rotate downwards and insert the liquid collection bottle 3 at the liquid pumping point 2032 Bottle mouth film, negative pressure pump 7 action, by negative pressure needle 61, liquid collection bottle 3 is drawn negative pressure outwards, and liquid collection pipe 621 begins to pump pleural effusion or ascites in the bottle.

When the pleural effusion or ascites is full, touch the liquid level probe 611, the liquid level probe 611 feeds back the signal to the control panel 11, the negative pressure pump 7 stops working, the two motors reverse, and the two rotating rods carry the negative pressure needle 61 And the liquid collection needle 62 is pulled out and away from the liquid collection bottle 3, and the control panel 11 controls the work of the ultraviolet lamp 92 for disinfection. Afterwards, the first push rod 23 drives the push plate 231 to move, and the liquid collecting bottle 3 filled with liquid is pushed to the sealing point 2033. The reel motor 43 moves, and the label tape 411 printed by the printer 41 is rotated to the top of the liquid collection bottle 3, and the second push rod 44 drives the sealing platen to press and paste it on the liquid collection bottle 3 mouths. Afterwards, the sealed liquid collection bottle 3 is pushed into the storage box 8 through the action cooperation of the first push rod 23 to complete the work of collecting a bottle of pleural effusion or ascites. If the measurement of collected ascites cannot be collected in one liquid collection bottle 3, the control panel 11 will control the first push rod 23 to continuously push the new liquid collection bottle 3 to the pumping point 2032, and the above-mentioned pumping will be carried out again by the actuator. Liquid collection, until ascites collection measurement reaches the set standard, then the collection work ends, and the alarm 13 alarms to prompt the medical staff and ends the procedure.

Claims (9)

1. A device for collecting pleural and ascites automatically, characterized in that: it comprises an executive mechanism located in the housing, the top of the housing is provided with a control panel, and the side of the housing is provided with a sealing window communicating with the inside; the bottom of the housing is A first baffle plate and a second baffle plate are provided, a slideway for placing the liquid collection bottle is formed between the first baffle plate and the second baffle plate, and a power mechanism for pushing the liquid collection bottle to move forward is provided outside the slideway; the slideway Along the conveying direction of the liquid collection bottle, there are placement area, transfer area, liquid collection area and storage area in sequence in the channel, the unused liquid collection bottle is placed in the placement area, and the liquid collection bottle that has been collected is in the storage area; the liquid collection area Along the conveying direction of the liquid collection bottle, there are waiting points, liquid pumping points and sealing points in sequence; The actuator includes a negative pressure pump, a printing mechanism, a first clamping mechanism, and a second clamping mechanism, and the negative pressure needle fixed at the action end of the first clamping mechanism corresponds to the liquid collection needle fixed at the action end of the second clamping mechanism. Located above the liquid pumping point, both the negative pressure needle and the liquid collection needle are inserted downward through the mouth film of the liquid collection bottle; the negative pressure needle is connected to the negative pressure pump through a negative pressure tube, and the liquid collection needle passes through the liquid collection bottle The tube is connected to the puncture needle that punctures the patient's chest or abdomen; the printing mechanism is arranged above the sealing point; the power mechanism, negative pressure pump, printing mechanism and two clamping mechanisms are all connected to the control panel; The housing above the executive mechanism is horizontally fixed with a partition plate; the printing mechanism includes a printer, a reel, a reel motor, a sealing platen and a second push rod, and the label tape of the printer passes through the slideway above the sealing point vertically. It is connected with the reel installed on the inner wall of the shell, and the reel is connected with the power of the reel motor; the sealing pressing plate corresponding to the sealing point is arranged under the partition board and connected with the second push rod output end installed on the partition board. 2. The automatic collection device for pleural effusion according to claim 1, characterized in that: the first baffle and the second baffle are of square design, and the second baffle is located in the first baffle; The road structure is "back" type. 3. The automatic collection device for pleural effusion according to claim 2, characterized in that: the power mechanism includes four first push rods correspondingly arranged at the four corners of the first baffle plate, and the first push rod output end is installed The push plate passes through the first baffle and extends into the slideway. 4. The automatic collection device for pleural effusion according to claim 1, characterized in that: the first clamping mechanism comprises a first motor and a first rotating rod, and one end of the first rotating rod is fixedly connected to the output end of the first motor , the negative pressure needle head is detachably installed on the other end of the first rotating rod; the second clamping mechanism includes a second motor and a second rotating rod, and one end of the second rotating rod is fixedly connected to the output end of the second motor, so The liquid collecting needle is detachably installed on the other end of the second rotating rod. 5 . The device for automatically collecting pleural effusion according to claim 4 , wherein a liquid level probe is fixedly connected to the needle tip of the negative pressure needle. 5 . 6 . The device for automatically collecting pleural effusion according to claim 5 , characterized in that: the negative pressure needle in the liquid collection bottle has a height greater than that of the liquid collection needle. 7 . 7. The equipment for automatic collection of pleural effusion according to claim 1, characterized in that: a disinfection device is arranged above the liquid collection area. 8. The automatic collection device for pleural effusion according to claim 7, characterized in that: the disinfection device comprises a disinfection plate and an ultraviolet lamp. 9. The device for automatic collection of pleural and ascites according to claim 1, characterized in that: a storage box is provided in the downwardly opened groove of the storage area, and the liquid collection bottle that has been collected is placed in the storage box.

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