CN110841127A - A liquid suction device that is used for gastric lavage machine that reliability is high - Google Patents
A liquid suction device that is used for gastric lavage machine that reliability is high Download PDFInfo
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- CN110841127A CN110841127A CN201911204006.XA CN201911204006A CN110841127A CN 110841127 A CN110841127 A CN 110841127A CN 201911204006 A CN201911204006 A CN 201911204006A CN 110841127 A CN110841127 A CN 110841127A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
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- A61M1/0023—
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- A61M1/0058—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/83—Tube strippers, i.e. for clearing the contents of the tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
- A61M2210/1053—Stomach
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a high-reliability liquid suction device for a gastric lavage machine, which comprises a liquid suction pipe, wherein a driving device is arranged at one end of the liquid suction pipe, an auxiliary mechanism and a crushing mechanism are arranged at one end of the liquid suction pipe, which is far away from the driving device, the crushing mechanism comprises a fixing ring, a fixing pipe, a moving disc, a driving motor, a transmission shaft, a reamer and two pushing components, the auxiliary mechanism comprises a transmission component and at least two auxiliary components, the auxiliary components are circumferentially and uniformly distributed on the fixing ring by taking the axis of the fixing ring as a center, the auxiliary components comprise an air bag, a connecting pipe, a piston and a mounting hole, the connecting pipe is parallel to the transmission shaft, and the high-reliability liquid suction device for the gastric lavage machine realizes the liquid suction reliability of the liquid suction pipe through the auxiliary mechanism, and has the function of.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a high-reliability liquid suction device for a gastric lavage machine.
Background
The gastric lavage machine is a medical equipment, is suitable for rescuing food poisoning and drug-taking patients and performing gastric lavage before operation in various medical institutions, emergency treatment centers and the like, and comprises a positive and negative pressure pump, two pneumatic control liquid volume control units, a liquid path switching device, a pneumatic control integrated valve group, a sensor control system and the like. Under the power action of the positive and negative pressure pumps, the two air control liquid volume control units are controlled by the electromagnetic valve group according to a gastric lavage program, liquid is absorbed from the stomach and the clear liquid barrel, and the negative pressure state of the reversing control system is converted into positive pressure by the liquid path switching device, so that liquid is discharged into the stomach and the dirty liquid barrel respectively. The sensor detects the pressure in the stomach to ensure the safety of the whole gastric lavage process.
The great foreign matter of volume in the stomach can make the pipette block up at the use period of current gastric lavage machine, has reduced the practicality, moreover, the imbibition in-process, because patient's rocking can make the position of pipette produce the deviation, leads to unable normal imbibition, has reduced the reliability.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a liquid suction device with high reliability for a gastric lavage machine is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-reliability liquid suction device for a gastric lavage machine comprises a liquid suction pipe, wherein a driving device is arranged at one end of the liquid suction pipe, and an auxiliary mechanism and a crushing mechanism are arranged at one end of the liquid suction pipe, which is far away from the driving device;
the smashing mechanism comprises a fixing ring, a fixing pipe, a moving disc, a driving motor, a transmission shaft, a reamer and two pushing assemblies, wherein the fixing ring, the fixing pipe, the moving disc and the transmission shaft are coaxially arranged with a pipette, the inner diameter of the fixing ring is equal to that of a connecting pipe, the outer diameter of the fixing pipe is equal to that of the fixing ring, the inner diameter of the fixing pipe is larger than that of the pipette, the diameter of the moving disc is equal to that of the fixing pipe, the fixing ring is fixedly and hermetically connected with the pipette, one end of the fixing pipe is hermetically and fixedly connected with one side of the fixing ring, which is far away from the pipette, the moving disc is positioned on one side of the fixing pipe, which is far away from the fixing ring, a gap is arranged between the moving disc and the fixing pipe, the driving motor is fixed on one side of the moving disc, the reamer is arranged on the transmission shaft and positioned in the fixed pipe, the driving motor is positioned between two pushing assemblies, the pushing assemblies are positioned between the fixed ring and the reamer, the movable disc is connected with the fixed pipe through the pushing assemblies, and the pushing assemblies drive the movable disc to move along the axis of the transmission shaft;
the auxiliary mechanism comprises a transmission assembly and at least two auxiliary assemblies, the auxiliary assemblies are circumferentially and uniformly distributed on the fixing ring by taking the axis of the fixing ring as the center, the auxiliary assembly comprises an air bag, a connecting pipe, a piston and a mounting hole, the connecting pipe is parallel to the transmission shaft, the mounting hole is arranged on the fixing ring and is coaxial with the connecting pipe, the connecting pipe passes through the mounting hole, the connecting pipe is sealed and fixedly connected with the inner wall of the mounting hole, the air bag is arranged on one side of the fixing ring, which is far away from the movable disc, and is communicated with one end of the connecting pipe, the piston is arranged in the connecting pipe and matched with the connecting pipe, the piston is hermetically and slidably connected with the inner wall of the connecting pipe, one end of the piston, which is far away from the air bag, is connected with a transmission assembly, and the transmission shaft drives the piston to move on the inner wall of the connecting pipe along the axial direction of the connecting pipe through the transmission assembly.
Preferably, in order to drive the movable disk to move, the pushing assembly comprises a sliding block, an electromagnet, a spring and a guide rod, the guide rod is parallel to the transmission shaft, one end of the guide rod is fixed on the movable disk, the electromagnet is fixed at the other end of the guide rod, the sliding block is sleeved on the guide rod and fixed on the inner wall of the fixed pipe, the electromagnet is abutted against the sliding block, the sliding block is made of the magnet, the spring is located between the sliding block and the movable disk, and the sliding block is connected with the movable disk through the spring.
Preferably, in order to improve the degree of automation, the connecting pipe is provided with a PLC, and the electromagnet is electrically connected with the PLC.
Preferably, in order to realize the movement of the piston, the transmission assembly comprises a transmission ring, three balls, three connecting rods and three supporting rods, the transmission ring and the fixed pipe are coaxially arranged, the inner diameter of the transmission ring is larger than the diameter of the transmission shaft, an annular groove is formed in the inner wall of the transmission ring, the annular groove and the transmission ring are coaxially arranged, the balls are circumferentially and uniformly distributed by taking the axis of the transmission shaft as the center, the centers of the balls are arranged in the annular groove, the balls are matched with the annular groove and are in sliding connection with the inner wall of the annular groove, the spherical diameter of the balls is larger than the width of the groove openings of the annular groove, the connecting rods and the supporting rods are in one-to-one correspondence with the balls, the axis of the connecting rods is perpendicular to and intersected with the axis of the transmission shaft, one end of the connecting rods, the transmission ring is provided with three through holes, the through holes correspond to the supporting rods one to one, the supporting rods penetrate through the through holes, the supporting rods are connected with the inner walls of the through holes in a sliding and sealing mode, and one ends of the supporting rods are fixed on the fixing rings.
Preferably, in order to facilitate the installation of the support rod, chamfers are arranged at both ends of the support rod.
Preferably, in order to prolong the service life of the driving motor, the driving motor is a waterproof motor.
Preferably, in order to promote crushing effect, be equipped with the auxiliary disc on the transmission shaft, the auxiliary disc is with solid fixed ring coaxial arrangement, the diameter of auxiliary disc equals with solid fixed ring's internal diameter, the auxiliary disc is fixed in the one end of keeping away from driving motor of transmission shaft.
Preferably, in order to prolong the service life of the transmission shaft, the transmission shaft is provided with an anti-corrosion zinc coating.
Preferably, the pipette is made of silicone in order to facilitate movement of the fixing ring.
Preferably, in order to reduce a gap between the inner wall of the connection pipe and the piston, the inner wall of the connection pipe is coated with a sealing grease.
The liquid suction device with high reliability for the gastric lavage machine has the advantages that the liquid suction device with high reliability for the gastric lavage machine realizes the liquid suction reliability of the liquid suction pipe through the auxiliary mechanism, compared with the existing auxiliary mechanism, the auxiliary mechanism has a simple structure and higher practicability, and not only can the function of avoiding the blockage of the liquid suction pipe through the crushing mechanism, but also can realize the function of driving the piston to move compared with the existing crushing mechanism, and the practicability is higher.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the construction of a highly reliable wicking apparatus for a gastric lavage machine of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is an enlarged view of section C of FIG. 1;
in the figure: 1. the automatic reamer comprises a liquid suction pipe, a fixed ring, a fixed pipe, a movable disc, a driving motor, a transmission shaft, a reamer, an air bag, a connecting pipe, a piston, a sliding block, an electromagnet, a spring, a guide rod, a transmission ring, a ball, a connecting rod, a supporting rod and an auxiliary disc, wherein the liquid suction pipe comprises a liquid suction pipe, a fixed ring, a fixed pipe, a movable disc, a driving motor, a transmission shaft, a driving shaft, a reamer, a driving shaft, a.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-2, a reliable liquid suction device for a gastric lavage machine comprises a liquid suction pipe 1, wherein one end of the liquid suction pipe 1 is provided with a driving device, and one end of the liquid suction pipe 1, which is far away from the driving device, is provided with an auxiliary mechanism and a crushing mechanism;
the smashing mechanism comprises a fixing ring 2, a fixing pipe 3, a moving disc 4, a driving motor 5, a transmission shaft 6, a reamer 7 and two pushing components, wherein the fixing ring 2, the fixing pipe 3, the moving disc 4 and the transmission shaft 6 are all arranged coaxially with a pipette 1, the inner diameter of the fixing ring 2 is equal to the inner diameter of a connecting pipe 9, the outer diameter of the fixing pipe 3 is equal to the outer diameter of the fixing ring 2, the inner diameter of the fixing pipe 3 is larger than the outer diameter of the pipette 1, the diameter of the moving disc 4 is equal to the inner diameter of the fixing pipe 3, the fixing ring 2 is fixedly and hermetically connected with the pipette 1, one end of the fixing pipe 3 is hermetically and fixedly connected with one side, away from the pipette 1, of the fixing ring 2, the moving disc 4 is positioned on one side, away from the fixing ring 2, of the moving disc 4 and the fixing pipe 3 are provided with a gap, the driving motor 5 is fixed on, the reamer device comprises a driving motor 5, a reamer 7, a fixed pipe 3, a driving assembly, a movable disc 4 and a driving assembly, wherein the driving motor 5 is in transmission connection with one end of the driving shaft 6, the reamer 7 is installed on the driving shaft 6 and is positioned in the fixed pipe 3, the driving motor 5 is positioned between two pushing assemblies, the pushing assemblies are positioned between a fixed ring 2 and the reamer 7, the movable disc 4 is connected with the fixed pipe 3 through the pushing assemblies, and the pushing assemblies drive the movable disc 4 to move along the axis of;
the auxiliary mechanism comprises a transmission assembly and at least two auxiliary assemblies, the auxiliary assemblies are circumferentially and uniformly distributed on the fixing ring 2 by taking the axis of the fixing ring 2 as the center, the auxiliary assembly comprises an air bag 8, a connecting pipe 9, a piston 10 and a mounting hole, the connecting pipe 9 is parallel to the transmission shaft 6, the mounting hole is arranged on the fixing ring 2 and is coaxial with the connecting pipe 9, the connecting pipe 9 passes through the mounting hole, the connecting pipe 9 is sealed and fixedly connected with the inner wall of the mounting hole, the air bag 8 is arranged on one side of the fixed ring 2 far away from the movable disk 4 and is communicated with one end of the connecting pipe 9, the piston 10 is arranged in the connecting pipe 9 and matched with the connecting pipe 9, the piston 10 is hermetically and slidably connected with the inner wall of the connecting pipe 9, the end of the piston 10 far away from the air bag 8 is connected with a transmission assembly, and the transmission shaft 6 drives the piston 10 to move on the inner wall of the connecting pipe 9 along the axial direction of the connecting pipe 9 through the transmission assembly.
Make pipette 1 absorb liquid in the stomach through drive arrangement, simultaneously, make transmission shaft 6 rotate through driving motor 5, rotation drive reamer 7 of transmission shaft 6 rotates, in the meantime, make liquid in the stomach drive in impurity gets into fixed pipe 3, and make impurity crushing through reamer 7, furthermore, rotation of transmission shaft 6 makes piston 10 remove in connecting pipe 9 through drive assembly, make the air extrusion in the connecting pipe 9 to gasbag 8 in, make fixed pipe 3 and solid fixed ring 2 rotate to liquid through gasbag 8 buoyancy in the liquid under the effect of gasbag 8, avoid shaking and lead to in liquid can't inhale pipette 1 because of the patient, the reliability of pipette 1 imbibition has been improved.
As shown in fig. 3, the pushing assembly includes a sliding block 11, an electromagnet 12, a spring 13 and a guide rod 14, the guide rod 14 is parallel to the transmission shaft 6, one end of the guide rod 14 is fixed on the movable disk 4, the electromagnet 12 is fixed at the other end of the guide rod 14, the sliding block 11 is sleeved on the guide rod 14, the sliding block 11 is fixed on the inner wall of the fixed tube 3, the electromagnet 12 abuts against the sliding block 11, the sliding block 11 is made of a magnet, the spring 13 is located between the sliding block 11 and the movable disk 4, and the sliding block 11 is connected with the movable disk 4 through the spring 13.
During the electro-magnet 12 circular telegram, make and produce the effort of mutual repulsion between the slider 11 of electro-magnet 12 and magnet material to make electro-magnet 12 drive guide arm 14 and remove, and make movable plate 4 remove towards being close to solid fixed ring 2 direction, can realize shearing the function of impurity through movable plate 4 removal to fixed intraductal 3, promote crushing effect.
Preferably, in order to improve the degree of automation, a PLC is provided on the connection pipe 9, and the electromagnet 12 is electrically connected to the PLC.
The PLC, i.e. programmable logic controller, which uses a programmable memory for storing program therein, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting and arithmetic operation, and controls various types of machines or production processes by digital or analog input and output, is essentially a computer dedicated for industrial control, and has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction receiving and output for realizing central control, thereby enabling the PLC to control the electromagnet 12 to realize intermittent energization and improving the degree of automation.
As shown in fig. 4, the transmission assembly includes a transmission ring 15, three balls 16, three connecting rods 17 and three support rods 18, the transmission ring 15 is coaxially disposed with the fixed pipe 3, the inner diameter of the transmission ring 15 is greater than the diameter of the transmission shaft 6, an annular groove is disposed on the inner wall of the transmission ring 15, the annular groove is coaxially disposed with the transmission ring 15, the balls 16 are circumferentially and uniformly distributed with the axis of the transmission shaft 6 as the center, the center of the ball 16 is disposed in the annular groove, the ball 16 is matched with the annular groove and slidably connected with the inner wall of the annular groove, the diameter of the ball 16 is greater than the width of the notch of the annular groove, the connecting rods 17 and the support rods 18 are respectively in one-to-one correspondence with the balls 16, the axis of the connecting rods 17 is perpendicular to and intersecting with the axis of the transmission shaft 6, one end of the connecting rod 17 is fixed, the bracing piece 18 is parallel with transmission shaft 6, be equipped with three through-hole on the driving ring 15, through-hole and bracing piece 18 one-to-one, the bracing piece 18 passes the through-hole, the bracing piece 18 slides and sealing connection with the inner wall of through-hole, the one end of bracing piece 18 is fixed on solid fixed ring 2.
The rotation of transmission shaft 6 makes ball 16 slide in the ring channel through connecting rod 17 to can avoid driving ring 15 and transmission shaft 6 synchronous rotation, when the removal dish 4 when moving towards being close to solid fixed ring 2 direction removal, the removal of removal dish 4 loops through driving motor 5, transmission shaft 6, connecting rod 17 and ball 16 and drives driving ring 15 and realize synchronous motion on bracing piece 18, thereby makes driving ring 15 drive piston 10 realize synchronous motion in connecting pipe 9.
Preferably, in order to facilitate the installation of the support bar 18, both ends of the support bar 18 are provided with chamfers.
The chamfer angle is used for reducing the caliber of the support rod 18 when passing through the through hole, and the effect of convenient installation is achieved.
Preferably, in order to prolong the service life of the driving motor 5, the driving motor 5 is a waterproof motor.
The waterproof motor has good waterproof performance, can avoid the drive motor 5 to be affected with damp and damage, has prolonged drive motor 5's drive power.
Preferably, in order to improve the crushing effect, an auxiliary disc 19 is arranged on the transmission shaft 6, the auxiliary disc 19 is arranged coaxially with the fixing ring 2, the diameter of the auxiliary disc 19 is equal to the inner diameter of the fixing ring 2, and the auxiliary disc 19 is fixed at one end of the transmission shaft 6, which is far away from the driving motor 5.
The removal of the moving plate 4 of transmission shaft 6 towards the direction that is close to solid fixed ring 2 makes transmission shaft 6 drive auxiliary disc 19 and remove to the annular ring of solid fixed ring 2 downthehole, through the cooperation between auxiliary disc 19 and the solid fixed ring 2, has further realized the shearing to impurity, further promotes and has risen crushing effect.
Preferably, in order to prolong the service life of the transmission shaft 6, the transmission shaft 6 is provided with an anti-corrosion zinc coating.
The function of anticorrosive zinc coating is to promote the rust-resistant ability of transmission shaft 6, prolongs the life of transmission shaft 6.
Preferably, the pipette 1 is made of silicone in order to facilitate the movement of the fixing ring 2.
Silica gel has nontoxic and comparatively soft function of texture, is convenient for solid fixed ring 2 and solid fixed ring 2 in the removal in the stomach, avoids the card to die.
Preferably, in order to reduce a gap between the inner wall of the connection pipe 9 and the piston 10, the inner wall of the connection pipe 9 is coated with a sealing grease.
The sealing grease has the function of reducing the gap between the inner wall of the connecting pipe 9 and the piston 10, and the sealing performance is improved.
Make pipette 1 absorb the liquid in stomach through the drive arrangement, simultaneously, make transmission shaft 6 rotate through driving motor 5, the rotation of transmission shaft 6 drives reamer 7 and rotates, during, make the liquid in stomach drive impurity entering fixed tube 3, and make impurity smash through reamer 7, and, through electro-magnet 12 circular telegram, make produce the effort of mutual repulsion between electro-magnet 12 and the slider 11 of magnet material, thereby make electro-magnet 12 drive guide arm 14 and move, and make movable plate 4 move towards being close to solid fixed ring 2 direction, can realize the function of shearing impurity through moving plate 4 moving to fixed tube 3, promote crushing effect, the rotation of transmission shaft 6 makes ball 16 slide in the ring channel through connecting rod 17, thereby can avoid driving ring 15 and transmission shaft 6 synchronous rotation, when moving plate 4 moves towards being close to solid fixed ring 2 direction, the movement of movable plate 4 loops through driving motor 5 in order to move, Transmission shaft 6, connecting rod 17 and ball 16 drive transmission ring 15 and realize synchronous motion on bracing piece 18, thereby make transmission ring 15 drive piston 10 and realize synchronous motion in connecting pipe 9, thereby make piston 10 remove in connecting pipe 9, make the air extrusion in the connecting pipe 9 to the gasbag 8 in, make fixed pipe 3 and solid fixed ring 2 rotate to the liquid through the buoyancy of gasbag 8 in the liquid under the effect of gasbag 8 in, avoid rocking and lead to in the unable suction pipette 1 of liquid because of the patient, the reliability of pipette 1 imbibition has been improved.
Compared with the prior art, this a suction means for gastric lavage machine that reliability is high has realized the reliability of pipette 1 imbibition through complementary unit, compares with current complementary unit, and this complementary unit simple structure, the practicality is stronger, moreover, still avoids the function of pipette 1 jam through rubbing crusher structure, compares with current rubbing crusher structure, and this rubbing crusher structure still realizes the function that drive piston 10 removed, and the practicality is stronger.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A high-reliability liquid suction device for a gastric lavage machine comprises a liquid suction pipe (1), wherein one end of the liquid suction pipe (1) is provided with a driving device, and the high-reliability liquid suction device is characterized in that one end, far away from the driving device, of the liquid suction pipe (1) is provided with an auxiliary mechanism and a crushing mechanism;
the smashing mechanism comprises a fixing ring (2), a fixing pipe (3), a moving disc (4), a driving motor (5), a transmission shaft (6), a reamer (7) and two pushing assemblies, wherein the fixing ring (2), the fixing pipe (3), the moving disc (4) and the transmission shaft (6) are coaxially arranged with a pipette (1), the inner diameter of the fixing ring (2) is equal to the inner diameter of a connecting pipe (9), the outer diameter of the fixing pipe (3) is equal to the outer diameter of the fixing ring (2), the inner diameter of the fixing pipe (3) is larger than the outer diameter of the pipette (1), the diameter of the moving disc (4) is equal to the inner diameter of the fixing pipe (3), the fixing ring (2) is fixedly and hermetically connected with the pipette (1), one end of the fixing pipe (3) is hermetically and fixedly connected with one side of the fixing ring (2) far away from the fixing ring (1), and the moving disc (4) is positioned on one side of the fixing pipe (3) far away from the fixing ring (, a gap is formed between the movable disc (4) and the fixed pipe (3), the driving motor (5) is fixed on one side, close to the fixed ring (2), of the movable disc (4), the driving motor (5) is in transmission connection with one end of the transmission shaft (6), the reamer (7) is installed on the transmission shaft (6) and located in the fixed pipe (3), the driving motor (5) is located between two pushing assemblies, the pushing assemblies are located between the fixed ring (2) and the reamer (7), the movable disc (4) is connected with the fixed pipe (3) through the pushing assemblies, and the pushing assemblies drive the movable disc (4) to move along the axis of the transmission shaft (6);
the auxiliary mechanism comprises a transmission assembly and at least two auxiliary assemblies, the auxiliary assemblies are uniformly distributed on the fixing ring (2) in the circumferential direction by taking the axis of the fixing ring (2) as the center, the auxiliary assemblies comprise an air bag (8), a connecting pipe (9), a piston (10) and a mounting hole, the connecting pipe (9) is parallel to the transmission shaft (6), the mounting hole is formed in the fixing ring (2) and is coaxially arranged with the connecting pipe (9), the connecting pipe (9) penetrates through the mounting hole, the connecting pipe (9) is sealed and fixedly connected with the inner wall of the mounting hole, the air bag (8) is arranged on one side, away from the moving disc (4), of the fixing ring (2) and is communicated with one end of the connecting pipe (9), the piston (10) is arranged in the connecting pipe (9) and matched with the connecting pipe (9), and the piston (10) is sealed and connected with the inner wall of the connecting pipe (9), one end of the piston (10) far away from the air bag (8) is connected with a transmission assembly, and the transmission shaft (6) drives the piston (10) to move on the inner wall of the connecting pipe (9) along the axial direction of the connecting pipe (9) through the transmission assembly.
2. The highly reliable liquid suction device for the gastric lavage machine of claim 1, wherein the pushing component comprises a slide block (11), an electromagnet (12), a spring (13) and a guide rod (14), the guide rod (14) is parallel to the transmission shaft (6), one end of the guide rod (14) is fixed on the movable disk (4), the electromagnet (12) is fixed at the other end of the guide rod (14), the slide block (11) is sleeved on the guide rod (14), the slide block (11) is fixed on the inner wall of the fixed tube (3), the electromagnet (12) is abutted against the slide block (11), the slide block (11) is made of a magnet, the spring (13) is positioned between the slide block (11) and the movable disk (4), and the slide block (11) is connected with the movable disk (4) through the spring (13).
3. The aspirating apparatus for gastric lavage machine as claimed in claim 2, wherein said connecting tube (9) is provided with a PLC, and said electromagnet (12) is electrically connected to the PLC.
4. The reliable liquid suction device for the gastric lavage machine as claimed in claim 1, wherein the transmission component comprises a transmission ring (15), three balls (16), three connecting rods (17) and three supporting rods (18), the transmission ring (15) is coaxially arranged with the fixed tube (3), the inner diameter of the transmission ring (15) is larger than the diameter of the transmission shaft (6), an annular groove is arranged on the inner wall of the transmission ring (15), the annular groove is coaxially arranged with the transmission ring (15), the balls (16) are circumferentially and uniformly distributed by taking the axis of the transmission shaft (6) as the center, the centers of the balls (16) are arranged in the annular groove, the balls (16) are matched with the annular groove and are in sliding connection with the inner wall of the annular groove, the diameters of the balls (16) are larger than the widths of the notches of the annular groove, the connecting rods (17) and the supporting rods (18) are in one-to-one correspondence with the balls (16), the axis of connecting rod (17) is perpendicular and crossing with the axis of transmission shaft (6), the one end of connecting rod (17) is fixed on ball (16), the other end of connecting rod (17) is fixed on transmission shaft (6), bracing piece (18) are parallel with transmission shaft (6), be equipped with three through-hole on transmission ring (15), through-hole and bracing piece (18) one-to-one, the through-hole is passed in bracing piece (18), bracing piece (18) slide and sealing connection with the inner wall of through-hole, the one end of bracing piece (18) is fixed on solid fixed ring (2).
5. The aspirating apparatus for gastric lavage machine as recited in claim 1, wherein both ends of said support bar (18) are chamfered.
6. The aspirating apparatus for gastric lavage machines as claimed in claim 1, characterized in that said drive motor (5) is a waterproof motor.
7. The reliable pipetting device for a gastric lavage machine as claimed in claim 1 characterized in that the drive shaft (6) is provided with an auxiliary plate (19), the auxiliary plate (19) is arranged coaxially with the fixed ring (2), the diameter of the auxiliary plate (19) is equal to the inner diameter of the fixed ring (2), the auxiliary plate (19) is fixed at the end of the drive shaft (6) far away from the drive motor (5).
8. The reliable suction device for the gastric lavage machine as claimed in claim 1, characterized in that the drive shaft (6) is provided with an anti-corrosion zinc coating.
9. The pipette device with high reliability for gastric lavage machine according to claim 1 wherein the material of the pipette (1) is silicone.
10. The aspirating apparatus for gastric lavage machines as claimed in claim 1, characterized in that the inner wall of said connecting tube (9) is coated with a sealing grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911204006.XA CN110841127A (en) | 2019-11-29 | 2019-11-29 | A liquid suction device that is used for gastric lavage machine that reliability is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911204006.XA CN110841127A (en) | 2019-11-29 | 2019-11-29 | A liquid suction device that is used for gastric lavage machine that reliability is high |
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| Publication Number | Publication Date |
|---|---|
| CN110841127A true CN110841127A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911204006.XA Withdrawn CN110841127A (en) | 2019-11-29 | 2019-11-29 | A liquid suction device that is used for gastric lavage machine that reliability is high |
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| CN (1) | CN110841127A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450385A (en) * | 2020-04-07 | 2020-07-28 | 吉林大学 | Trachea purifies nursing device for department of respiration |
| CN111760111A (en) * | 2020-07-08 | 2020-10-13 | 安徽医科大学第二附属医院 | Liquid spraying negative pressure suction device for debridement |
| CN116212136A (en) * | 2023-05-08 | 2023-06-06 | 四川省医学科学院·四川省人民医院 | Negative pressure suction device for thoracoscopic operation |
-
2019
- 2019-11-29 CN CN201911204006.XA patent/CN110841127A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450385A (en) * | 2020-04-07 | 2020-07-28 | 吉林大学 | Trachea purifies nursing device for department of respiration |
| CN111450385B (en) * | 2020-04-07 | 2021-04-09 | 吉林大学 | Trachea purifies nursing device for department of respiration |
| CN111760111A (en) * | 2020-07-08 | 2020-10-13 | 安徽医科大学第二附属医院 | Liquid spraying negative pressure suction device for debridement |
| CN116212136A (en) * | 2023-05-08 | 2023-06-06 | 四川省医学科学院·四川省人民医院 | Negative pressure suction device for thoracoscopic operation |
| CN116212136B (en) * | 2023-05-08 | 2023-07-04 | 四川省医学科学院·四川省人民医院 | Negative pressure suction device for thoracoscopic operation |
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Application publication date: 20200228 |