CN111658835B - Drainage device for medical clinic - Google Patents

Drainage device for medical clinic Download PDF

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Publication number
CN111658835B
CN111658835B CN202010583428.9A CN202010583428A CN111658835B CN 111658835 B CN111658835 B CN 111658835B CN 202010583428 A CN202010583428 A CN 202010583428A CN 111658835 B CN111658835 B CN 111658835B
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China
Prior art keywords
resistor
fixedly connected
block
pipe body
rod
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Application number
CN202010583428.9A
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Chinese (zh)
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CN111658835A (en
Inventor
张虹
马晶
崔轮盟
杨蕊
邢爱民
刘立平
刘艳艳
马小玮
刘一邻
范景辉
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Hongqi Hospital Affiliated To Mudanjiang Medical University
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Hongqi Hospital Affiliated To Mudanjiang Medical University
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Priority to CN202010583428.9A priority Critical patent/CN111658835B/en
Publication of CN111658835A publication Critical patent/CN111658835A/en
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    • A61M1/0023—
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/18—General characteristics of the apparatus with alarm
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate

Abstract

The invention provides a medical clinical drainage device, which comprises: puncture subassembly, the drainage piece of being connected with puncture subassembly, with the collection liquid subassembly of drainage piece intercommunication, collection liquid subassembly includes: the fixing seat is provided with a liquid collecting box; the height-adjustable supporting assembly is connected with the fixed seat; the drainage piece includes the drainage tube, and the drainage tube includes: the first end of the main pipe body is used for connecting the puncture assembly, and the second end of the main pipe body is used for communicating the liquid collecting tank; the side pipe body, fixed connection is in being responsible for the body lateral wall, and is close to and is responsible for body second end, and side pipe body one end is responsible for the body intercommunication, and the side pipe body is used for inserting the transfer line, and the side pipe body other end can be dismantled and be connected with the sealing cap. According to the height-adjustable liquid collecting box, the height-adjustable supporting assemblies are arranged on the corresponding mounting surfaces, and the height of the height-adjustable supporting assemblies is adjusted, so that the height of the liquid collecting box is adjusted, different using requirements on the height of the liquid collecting box are met conveniently, and the height-adjustable liquid collecting box is more convenient to use.

Description

Drainage device for medical clinic
Technical Field
The invention relates to the technical field of medical devices, in particular to a drainage device for medical clinic.
Background
In clinical treatment, drainage is often required to drain a fluid from a patient by draining the fluid, which is a process and method that relies on suction or gravity to draw fluid from a body cavity or wound. Is commonly used in medical clinical treatment and care. The general gauze strip drainage is to put an aseptic gauze strip into a superficial wound or an incised pus cavity, and to discharge the wound liquid when one end is left outside the wound, so that the drainage quality is not high, the tissue is stimulated, and the possibility of causing infection is caused. The ordinary rubber tube drainage is that a latex tube with one end cut with a plurality of small holes in advance is inserted into a deep wound cavity or a body cavity, and the other end of the latex tube penetrates out of a special incision additionally made beside the incision, so that effusion in the deep wound cavity or the body cavity can be led out, and the drainage quality is high.
At present, the clinical drainage device usually cannot be adjusted in height and is inconvenient to use.
Disclosure of Invention
The invention provides a drainage device for medical clinic, which is used for solving the technical problem.
A medical clinical drainage device comprising: puncture subassembly, the drainage piece of being connected with puncture subassembly, with the collection liquid subassembly of drainage piece intercommunication, collection liquid subassembly includes:
the fixing seat is provided with a liquid collecting tank;
the height-adjustable supporting assembly is connected with the fixed seat;
the drainage piece includes a drainage tube, the drainage tube includes: the first end of the main pipe body is used for connecting a puncture assembly, and the second end of the main pipe body is used for communicating the liquid collecting tank; the side pipe body, fixed connection be in be responsible for the body lateral wall, and be close to and be responsible for body second end, side pipe body one end with be responsible for the body intercommunication, the side pipe body is used for inserting the transfer line, the side pipe body other end can be dismantled and is connected with the sealing cap.
Preferably, the puncture assembly comprises a puncture needle; the liquid collecting box is connected with a negative pressure generating device.
Preferably, the height-adjustable support assembly comprises: the lifting support rod, the stiff end fixedly connected with sucking disc of lifting support rod lower extreme.
Preferably, a first cavity and a driving cavity are arranged in the fixed seat;
the drainage piece still includes:
a first connecting tube comprising: the drainage tube comprises an arc-shaped section and a first vertical section connected to the lower end of the arc-shaped section, the end head of the first vertical section is communicated with the first cavity, and the upper end of the arc-shaped section is communicated with one end of the drainage tube, which is far away from the puncture needle, through a second vertical section;
the upper end of the supporting pipeline is fixedly connected with the arc-shaped section, and the lower end of the supporting pipeline is fixedly connected to the upper end of the driving cavity;
the sliding block is connected in the supporting pipeline in a sliding mode, and the lower end of the sliding block penetrates into the driving cavity;
the rotating rod is rotatably connected inside the sliding block, the upper end of the rotating rod penetrates into the arc-shaped section, and the other end of the rotating rod is connected with the rotating motor and driven by the rotating motor;
the linear motor is fixedly connected in the driving cavity through a connecting support, and the output end of the linear motor is parallel to the rotating rod;
one end of the first connecting rod is fixedly connected with the output end of the linear motor, and the other end of the first connecting rod is fixedly connected with the sliding block;
broken blade, fixed connection in dwang upper end week side.
Preferably, the safety device further comprises a guard device, wherein the guard device comprises:
the peripheral side of the first baffle is fixedly connected with the inner wall of the peripheral side in the first cavity, and the first baffle is provided with a first vertical through hole;
the second baffle plate is positioned above the first baffle plate, and the lower end of the second baffle plate can seal the upper end of the first vertical through hole;
the two adjusting assemblies are connected to two sides of the upper end of the second baffle;
the adjustment assembly includes:
the third fixing block is fixedly connected with the inner wall of the first vertical section and provided with a second vertical through hole;
the second connecting rod is connected in the second vertical through hole, the upper end of the second connecting rod penetrates through the upper end of the third fixing block, and the lower end of the second connecting rod is fixedly connected to the upper end of the second baffle;
an induction limiting block fixedly connected with the upper end of the second connecting rod,
and the spring is sleeved on the second connecting rod, one end of the spring is fixedly connected with the upper end of the first cavity or the lower end of the third fixed block, and the other end of the spring is fixedly connected with the second baffle.
Preferably, the header tank includes:
the liquid inlet is arranged in the middle of the top end of the liquid collecting box;
the conical block is arranged at the bottom end of the liquid collecting box and is positioned right below the liquid inlet, and the liquid outlets are arranged at the two sides of the conical block at the bottom end of the liquid collecting box;
the two clearing assemblies are respectively arranged on two sides of the conical block;
the purge assembly includes:
the first fixing block is fixedly connected to the inner wall of the rear side of the liquid collecting box;
the first pushing rod is movably arranged in the first fixing block, two ends of the first pushing rod penetrate through the upper end and the lower end of the first fixing block, and the first pushing rod is positioned right above the corresponding liquid outlet;
the opening of the U-shaped block is arranged upwards, and the U-shaped block is fixedly connected to the upper end of the first push rod;
the two second fixed blocks are respectively and fixedly connected to two sides of the upper end of the U-shaped block, and the second fixed blocks are provided with horizontal through holes;
the horizontal rods are connected in the horizontal through holes in the two second fixing blocks;
the mounting block is fixedly connected to the lower end of one side, close to the conical block, of the horizontal rod and is parallel to the conical surface of the conical block;
the peripheral side of the lower end of the first push rod and the lower end of the mounting block are provided with brushes;
and the driving piece is used for driving the second fixing block to move downwards.
Preferably, the horizontal pole is electric telescopic handle, clear away the subassembly and still include the controller, the controller with the power, the driving piece with electric telescopic handle electricity is connected.
Preferably, the method further comprises the following steps:
the pressure sensor is arranged in the liquid collecting tank or the negative pressure generating device;
the pressure sensor is connected with the microcontroller through a connecting circuit; the connection circuit includes: the device comprises a feedback compensation module, a first amplification module, a second amplification module, a third amplification module and a fourth amplification module;
the feedback compensation module includes:
a fifth resistor, the first end of which is grounded;
one end of the first resistor is connected with the first end of the pressure sensor;
an emitter of the second triode is connected with the second end of the fifth resistor through a sixth resistor, the emitter of the second triode is also connected with the other end of the first resistor, and a collector of the second triode is connected with a collector of the first triode;
the emitting electrode of the first triode is connected with the first end of the pressure sensor;
one end of the fourth resistor is connected with the emitting electrode of the second triode, and the other end of the fourth resistor is connected with the collector electrode of the first triode;
one end of the first amplification module is connected with the base electrode of the first triode, and the other end of the first amplification module is connected with the microcontroller;
one end of the second amplification module is connected with the base electrode of the second triode, and the other end of the second amplification module is connected with the microcontroller;
the third amplification module includes:
the positive input end of the first operational amplifier is connected with the second end of the fifth resistor through a second resistor, the positive input end of the first operational amplifier is also grounded through an eleventh resistor, and the negative input end of the first operational amplifier is connected with the first end of the pressure sensor through a third resistor;
one end of the first capacitor is connected with the negative input end of the first operational amplifier, and the other end of the first capacitor is connected with the output end of the first operational amplifier;
the fourth amplification module includes:
one end of the seventh resistor is connected with the output end of the first operational amplifier;
the positive input end of the second operational amplifier is connected with the other end of the seventh resistor, and the positive input end of the second operational amplifier is grounded through an eighth resistor;
the circuit comprises a tenth resistor and a twelfth resistor, wherein one end of the tenth resistor is connected with the negative input end of the second operational amplifier, the other end of the tenth resistor is connected with one end of the twelfth resistor, and the other end of the twelfth resistor is connected with the output end of the second operational amplifier and is connected with the microcontroller.
Preferably, the end head and the peripheral side of one end of the drainage tube in the body are provided with a plurality of drainage holes;
the technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
FIG. 3 is a schematic structural view of one embodiment of the header tank of the present invention.
FIG. 4 is a schematic diagram of an embodiment of a purge assembly.
FIG. 5 is a circuit diagram of the connection circuit of the present invention.
In the figure: 1. a drainage member; 11. a drainage tube; 111. a primary tube; 112. a side tube body; 12. a first connecting pipe; 121. a first vertical section; 122. a second vertical section; 123. an arc-shaped section; 13. supporting the pipeline; 14. a slider; 15. rotating the rod; 16. a linear motor; 17. a first connecting rod; 18. crushing the leaves; 19. a rotating electric machine; 2. a liquid collection assembly; 21. a fixed seat; 211. a first cavity; 212. a drive cavity; 22. a height adjustable support assembly; 221. lifting the supporting rod; 222. a suction cup; 23. a liquid collection tank; 231. a liquid inlet; 232. a conical block; 233. a clearing assembly; 2331. a first fixed block; 2332. a U-shaped block; 2333. a second fixed block; 2334. a horizontal bar; 2335. mounting blocks; 2336. a first push rod; 234. a liquid outlet; 235. the bottom end of the liquid collecting tank; 3. a guard; 31. a first baffle plate; 311. a first vertical through hole; 32. a second baffle; 33. an adjustment assembly; 331. a third fixed block; 332. a second connecting rod; 333. an induction limiting block; 334. a spring; r1, a first resistor; r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; r9, ninth resistor; r10, tenth resistor; r11, eleventh resistor; c1, a first capacitance; q1, the first triode; q2, the second triode; u1, a first operational amplifier; u2, a second operational amplifier.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
An embodiment of the present invention provides a drainage device for medical clinical use, as shown in fig. 1 to 4, including: puncture subassembly, drainage 1 be connected with puncture subassembly, with the collection liquid subassembly 2 of drainage 1 intercommunication, collection liquid subassembly 2 includes:
the fixing seat 21 is provided with a liquid collecting tank 23;
the height-adjustable supporting component 22 is connected with the fixed seat;
the drainage member 1 includes a drainage tube 11, and the drainage tube 11 includes: a main pipe body 111, wherein a first end of the main pipe body 111 is used for connecting a puncture assembly, and a second end of the main pipe body 111 is used for communicating the header tank 23; the side pipe body 112 is fixedly connected to the side wall of the main pipe body 111 and close to the second end of the main pipe body 111, one end of the side pipe body 112 is communicated with the main pipe body 111, the side pipe body 112 is used for inserting an infusion tube, and the other end of the side pipe body 112 is detachably connected with a sealing cap.
Preferably, the puncture assembly comprises a puncture needle; the liquid collecting tank 23 is connected with a negative pressure generating device which can be a current negative pressure pump and the like. The puncture needle is not shown in the figure, and is a puncture needle in the prior art, which is not described in detail herein.
The working principle and the beneficial effects of the technical scheme are as follows:
the height-adjustable support assembly 22 is arranged on a corresponding mounting surface (such as the ground), and the height of the height-adjustable support assembly 22 is adjusted, so that the height of the liquid collecting box is adjusted, different use requirements on the height of the liquid collecting box are met, and the liquid collecting box is more convenient to use;
the drainage tube 11 is placed at a position needing drainage of a patient through the puncture assembly, and liquid at the position needing drainage of the patient is drained to the liquid collecting box 23 through the main tube body 111;
when the washing liquid needs to be injected into the drainage position of the patient, the sealing cap is opened, the liquid conveying pipe is inserted into the side pipe body 112, the liquid conveying pipe is connected with the washing liquid input device, the washing liquid is input into the drainage device of the patient, the drainage function and the washing function of one drainage pipe can be realized, and the drainage function and the washing function are not in the same cavity (the drainage is carried out through the main pipe body and the washing liquid is input through the independent liquid conveying pipe in the main pipe body respectively), so that the infection probability is reduced; when the patient does not need to be drained, the side tube 112 is sealed by the sealing cap, so that the use is convenient.
In one embodiment, as shown in FIG. 1, the height adjustable support assembly 22 comprises: the fixed end of the lower end of the lifting support rod 221 is fixedly connected with a sucker 222.
The working principle and the beneficial effects of the technical scheme are as follows: the height-adjustable support assembly 22 has the advantage of being simple in construction and the provision of the above-described suction cup facilitates reliable securement of the entire drainage device to a mounting surface.
In one embodiment, as shown in fig. 1-2, the fixing base 21 is provided with a first cavity 211 and a driving cavity 212 inside;
the drainage member 1 further comprises:
a first connecting pipe 12 comprising: the drainage tube comprises an arc-shaped section 123 and a first vertical section 121 connected to the lower end of the arc-shaped section 123, the end of the first vertical section 121 is communicated with the first cavity 211, and the upper end of the arc-shaped section 123 is communicated with one end of the drainage tube 11 far away from the puncture needle through a second vertical section 122;
the upper end of the supporting pipeline 13 is fixedly connected with the arc-shaped section 123, and the lower end of the supporting pipeline 13 is fixedly connected with the upper end of the driving cavity 212;
the sliding block 14 is connected in the supporting pipeline 13 in a sliding mode, and the lower end of the sliding block 14 penetrates into the driving cavity;
the rotating rod 15 is rotatably connected inside the sliding block 14, the upper end of the rotating rod 15 penetrates into the arc-shaped section 123 (preferably, as shown in fig. 1, into the second vertical section), and the other end of the rotating rod 15 is connected with the rotating motor 19 and is driven by the rotating motor 19;
the linear motor 16 is fixedly connected in the driving cavity through a connecting bracket, and the output end of the linear motor 16 is parallel to the rotating rod 15;
one end of the first connecting rod 17 is fixedly connected with the output end of the linear motor 16, and the other end of the first connecting rod 17 is fixedly connected with the sliding block 14;
and the crushing blade 18 is fixedly connected to the periphery of the upper end of the rotating rod 15.
The working principle and the beneficial effects of the technical scheme are as follows: through starting linear electric motor, the effect through first connecting rod drives the sliding block and slides in supporting the pipeline, adjusts the dwang upper end of connecting on the sliding block and stretches into the distance in the segmental arc, and through starting rotating electrical machines, can drive the stirring leaf rotatory to the realization is smashed the foreign matter of the great volume of drainage in the drainage tube, in order to avoid the drainage tube to block up, thereby more convenient to use.
In one embodiment, as shown in fig. 1-2, further comprising a guard 3, the guard 3 comprising:
the peripheral side of the first baffle plate 31 is fixedly connected with the inner wall of the inner peripheral side of the first cavity 211, and the first baffle plate 31 is provided with a first vertical through hole 311;
the second baffle 32 is positioned above the first baffle 31, and the lower end of the second baffle can seal the upper end of the first vertical through hole;
two adjusting assemblies 33 connected to both sides of the upper end of the second baffle 32;
the adjustment assembly 33 includes:
the third fixing block 331 is fixedly connected with the inner wall of the first vertical section 121, and the third fixing block 331 is provided with a second vertical through hole;
the second connecting rod 332 is connected in the second vertical through hole, the upper end of the second connecting rod 332 penetrates through the upper end of the third fixing block 331, and the lower end of the second connecting rod 332 is fixedly connected to the upper end of the second baffle 32;
an induction limit block 333 fixedly connected to the upper end of the second connecting rod 332,
and a spring 334 sleeved on the second connecting rod 332, wherein one end of the spring 334 is fixedly connected with the upper end of the first cavity 211 or the lower end of the third fixing block 331, and the other end of the spring 334 is fixedly connected with the second baffle 32.
The working principle and the beneficial effects of the technical scheme are as follows: when the flow velocity in the first vertical section is normal, the second baffle is positioned above the first vertical through hole under the elastic action of the spring and the gravity action of the second baffle and the second connecting rod; when the velocity of flow is too big in first vertical section, the pressure increase that the response stopper bore drives the second baffle downstream to the second baffle through the effect of the second connecting rod of being connected with the response stopper and seals first through-hole to stop the negative pressure suction, avoid the velocity of flow too big, cause the injury to the patient. The two second connecting rods have the effects of reliably supporting the second baffle plate, and the upper ends of the second connecting rods are prevented from being separated from the second vertical through holes under the effects of the third fixing block and the sensing limiting block, so that the reliability of the whole structure is ensured; and the second vertical through hole is used for guiding the movement of the second connecting rod, so that the up-and-down movement of the second connecting rod is reliable.
In one embodiment, as shown in FIGS. 3-4, the header tank 23 includes:
the liquid inlet 231 is arranged in the middle of the top end of the liquid collecting box 23;
the conical block 232 is arranged at the bottom end of the liquid collecting box 23 and is positioned right below the liquid inlet 231, and the liquid outlets 234 are arranged at the bottom end of the liquid collecting box 23 and are positioned at two sides of the conical block 232; wherein, fig. 4 is only the left half part of the conical block, the conical block is in a left-right symmetrical structure, and the right clearing component can also refer to fig. 4.
Two clearing assemblies 233 respectively arranged at two sides of the tapered block 232;
the purge assembly 233 includes:
a first fixing block 2331 fixedly connected to the inner wall of the rear side of the liquid collecting tank 23;
a first push rod 2336 movably disposed in the first fixing block 2331, wherein two ends of the first push rod 2336 penetrate through the upper end and the lower end of the first fixing block 2331, and the first push rod 2336 is positioned right above the corresponding liquid outlet 234;
a U-shaped block 2332 having an upward opening, wherein the U-shaped block 2332 is fixedly connected to the upper end of the first push rod 2336;
two second fixing blocks 2333 fixedly connected to both sides of the upper end of the U-shaped block 2332, respectively, the second fixing blocks 2333 being provided with horizontal through holes;
a horizontal rod 2334 connected to horizontal through holes in the two second fixing blocks 2333;
a mounting block 2335 fixedly connected to the lower end of the horizontal rod 2334 near one side of the conical block 232, wherein the mounting block 2335 is parallel to the conical surface of the conical block 232;
the peripheral side of the lower end of the first push rod 2336 and the lower end of the mounting block 2335 are provided with brushes;
and a driving member for driving the second fixing block 2333 to move downward. Preferably, the drive member is also arranged to drive the mounting block along the tapered block.
Preferably, in the embodiment, a spray head can be arranged in the liquid collecting box and used for cleaning the liquid collecting box;
the working principle and the beneficial effects of the technical scheme are as follows: in an initial state, the first push rod is positioned above the liquid inlet, the driving piece drives the second fixed block to move downwards, so that the U-shaped block and the first push rod move downwards, the first push rod moves in the liquid inlet, and foreign matters in the liquid inlet are removed; in the process that the second fixed block moves downwards, the horizontal rod moves towards the left in the horizontal through hole under the limiting action of the conical surface of the conical block, and meanwhile, the hairbrush on the mounting block moves downwards on the conical surface of the conical block to remove foreign matters on the surface of the conical block; above-mentioned technical scheme realizes that the foreign matter on inlet and toper piece surface is clear away simultaneously, the washing of being more convenient for.
When the liquid outlet does not need to be cleaned, the liquid sucked by the negative pressure can fall into the liquid outlet from the liquid inlet and then smoothly enters the liquid outlet through the tapered block, and the liquid at the bottom end of the liquid collecting box can be discharged due to the inclined arrangement of the tapered block.
In one embodiment, the horizontal bar 2334 is an electric telescopic bar, and the cleaning assembly 233 further comprises a controller electrically connected to a power source, the drive member, and the electric telescopic bar.
The working principle and the beneficial effects of the technical scheme are as follows: the electric telescopic rod can automatically stretch and retract, and the phenomenon that the horizontal rod moves leftwards to occupy larger inner space of the liquid collecting box when the horizontal rod is too long is avoided.
In one embodiment, further comprising:
a pressure sensor disposed in the header tank 23 or the negative pressure generating device;
the pressure sensor is connected with the microcontroller through a connecting circuit; the connection circuit includes: the device comprises a feedback compensation module, a first amplification module, a second amplification module, a third amplification module and a fourth amplification module;
the feedback compensation module includes:
a fifth resistor R5, the first end of which is grounded;
a first resistor R1, one end of which is connected with the first end of the pressure sensor;
an emitter of the second triode Q2 is connected to the second end of the fifth resistor R5 through a sixth resistor R6, the emitter of the second triode Q2 is further connected to the other end of the first resistor R1, and a collector of the second triode Q1 is connected to a collector of the first triode Q1;
the emitting electrode of the first triode Q1 is connected with the first end of the pressure sensor;
one end of the fourth resistor R4 is connected with the emitter of the second triode, and the other end of the fourth resistor R4 is connected with the collector of the first triode Q1;
one end of the first amplification module is connected with a base electrode of a first triode Q1, and the other end of the first amplification module is connected with the microcontroller;
one end of the second amplification module is connected with the base electrode of the second triode, and the other end of the second amplification module is connected with the microcontroller;
the third amplification module includes:
a positive input end of the first operational amplifier U1 is connected to a second end of the fifth resistor R5 through a second resistor R2, the positive input end of the first operational amplifier U1 is further grounded through an eleventh resistor R11, and a negative input end of the first operational amplifier U1 is connected to the first end of the pressure sensor through a third resistor R3;
a first capacitor C1, one end of which is connected with the negative input end of the first operational amplifier U1, and the other end of which is connected with the output end of the first operational amplifier U1;
the fourth amplification module includes:
one end of the seventh resistor R7 is connected with the output end of the first operational amplifier U1;
a positive input end of the second operational amplifier U2 is connected to the other end of the seventh resistor R7, and the positive input end of the second operational amplifier U2 is further grounded through an eighth resistor R8;
the circuit comprises a tenth resistor R10 and a twelfth resistor R12, wherein one end of the tenth resistor R10 is connected with the negative input end of a second operational amplifier U2, the other end of the tenth resistor R10 is connected with one end of a twelfth resistor R12, and the other end of the twelfth resistor R12 is connected with the output end of the second operational amplifier U2 and is connected with a microcontroller. Preferably, the first amplification module and the second amplification module are both in the prior art.
The working principle and the beneficial effects of the technical scheme are as follows:
the fifth resistor is a compensation resistor and is a temperature-sensitive resistor, the feedback compensation module realizes temperature compensation through the temperature-sensitive resistor, realizes signal compensation through Q1, Q2, R1, R4 and R6, realizes two-path signal amplification through signals compensated by Q1 and Q2 and then feeds back the signals to the microcontroller through the first amplification module and the second amplification module, feeds back initial signals acquired by the compensation resistor serving as a pressure sensor to the microcontroller through the third amplification module and the fourth amplification module, and ensures reliable signal feedback compensation, the third amplification module and the third amplification module realize two-stage amplification, and ensure reliable signal transmission through signal gains of R2, R3, R10 and R12, and the third amplification module improves the anti-interference capability through differential amplification.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. A medical clinical drainage device comprising: puncture subassembly, drainage piece (1) be connected with puncture subassembly, with collection liquid subassembly (2) of drainage piece (1) intercommunication, its characterized in that, collection liquid subassembly (2) include:
the device comprises a fixed seat (21), wherein a liquid collecting box (23) is arranged on the fixed seat (21);
the height-adjustable supporting component (22) is connected with the fixed seat (21);
the drainage piece (1) comprises a drainage tube (11), the drainage tube (11) comprising: a main pipe body (111), wherein a first end of the main pipe body (111) is used for connecting a puncture assembly, and a second end of the main pipe body (111) is used for communicating with the header tank (23); the side pipe body (112) is fixedly connected to the side wall of the main pipe body (111) and is close to the second end of the main pipe body (111), one end of the side pipe body (112) is communicated with the main pipe body (111), the side pipe body (112) is used for inserting an infusion tube, and the other end of the side pipe body (112) is detachably connected with a sealing cap;
the header tank (23) includes:
the liquid inlet (231) is arranged in the middle of the top end of the liquid collecting box (23);
the conical block (232) is arranged at the bottom end of the liquid collecting box (23) and is positioned right below the liquid inlet (231), and the liquid outlets (234) are arranged at the two sides of the conical block (232) at the bottom end of the liquid collecting box (23);
two clearing assemblies (233) respectively arranged at two sides of the conical block (232);
the purge assembly (233) comprises:
the first fixing block (2331) is fixedly connected to the inner wall of the rear side of the liquid collecting box (23);
the first push rod (2336) is movably arranged in the first fixing block (2331), two ends of the first push rod (2336) penetrate through the upper end and the lower end of the first fixing block (2331), and the first push rod (2336) is positioned right above the corresponding liquid outlet (234);
a U-shaped block (2332) with an upward opening, wherein the U-shaped block (2332) is fixedly connected to the upper end of the first push rod (2336);
two second fixing blocks (2333) respectively fixedly connected to two sides of the upper end of the U-shaped block (2332), wherein the second fixing blocks (2333) are provided with horizontal through holes;
the horizontal rods (2334) are connected in horizontal through holes in the two second fixing blocks (2333);
the mounting block (2335) is fixedly connected to the lower end of one side, close to the conical block (232), of the horizontal rod (2334), and the mounting block (2335) is parallel to the conical surface of the conical block (232);
the peripheral side of the lower end of the first push rod (2336) and the lower end of the mounting block (2335) are provided with brushes;
and the driving piece is used for driving the second fixing block (2333) to move downwards.
2. The medical clinical drainage device according to claim 1, wherein the puncture assembly comprises a puncture needle; the liquid collecting box (23) is connected with a negative pressure generating device.
3. The medical clinical drainage device according to claim 1,
the height adjustable support assembly (22) includes: the lifting support rod (221), the fixed end of the lower end of the lifting support rod (221) is fixedly connected with a sucker (222).
4. The medical clinical drainage device according to claim 2,
a first cavity (211) and a driving cavity (212) are arranged in the fixed seat (21);
the drainage piece (1) further comprises:
a first connection tube (12) comprising: the drainage tube comprises an arc-shaped section (123) and a first vertical section (121) connected to the lower end of the arc-shaped section (123), the end head of the first vertical section (121) is communicated with the first cavity (211), and the upper end of the arc-shaped section (123) is communicated with one end, far away from the puncture needle, of the drainage tube (11) through a second vertical section (122);
the upper end of the supporting pipeline (13) is fixedly connected with the arc-shaped section (123), and the lower end of the supporting pipeline (13) is fixedly connected with the upper end of the driving cavity (212);
the sliding block (14) is connected in the supporting pipeline (13) in a sliding mode, and the lower end of the sliding block (14) penetrates into the driving cavity (212);
the rotating rod (15) is rotatably connected inside the sliding block (14), the upper end of the rotating rod (15) penetrates into the arc-shaped section (123), and the other end of the rotating rod (15) is connected with the rotating motor (19) and driven by the rotating motor (19);
the linear motor (16) is fixedly connected in the driving cavity (212) through a connecting support, and the output end of the linear motor (16) is parallel to the rotating rod (15);
one end of the first connecting rod (17) is fixedly connected with the output end of the linear motor (16), and the other end of the first connecting rod (17) is fixedly connected with the sliding block (14);
and the crushing blades (18) are fixedly connected to the periphery of the upper end of the rotating rod (15).
5. The medical clinical drainage device according to claim 4, further comprising a guard (3), the guard (3) comprising:
the peripheral side of the first baffle plate (31) is fixedly connected with the inner peripheral side inner wall of the first cavity (211), and the first baffle plate (31) is provided with a first vertical through hole (311);
the second baffle (32) is positioned above the first baffle (31), and the lower end of the second baffle (32) can seal the upper end of the first vertical through hole (311);
two adjusting assemblies (33) connected to two sides of the upper end of the second baffle plate (32);
the adjustment assembly (33) comprises:
the third fixing block (331) is fixedly connected with the inner wall of the first vertical section (121), and a second vertical through hole is formed in the third fixing block (331);
the second connecting rod (332) is connected in the second vertical through hole, the upper end of the second connecting rod (332) penetrates through the upper end of the third fixing block (331), and the lower end of the second connecting rod (332) is fixedly connected to the upper end of the second baffle (32);
an induction limit block (333) fixedly connected with the upper end of the second connecting rod (332),
and the spring (334) is sleeved on the second connecting rod (332), one end of the spring (334) is fixedly connected with the upper end of the first cavity (211) or the lower end of the third fixing block (331), and the other end of the spring (334) is fixedly connected with the second baffle (32).
6. The medical clinical drainage device according to claim 1,
the horizontal rod (2334) is an electric telescopic rod, and the cleaning assembly (233) further comprises a controller which is electrically connected with a power supply, the driving piece and the electric telescopic rod.
7. The medical clinical drainage device according to claim 2, further comprising:
the pressure sensor is arranged in the liquid collecting box (23) or the negative pressure generating device;
the pressure sensor is connected with the microcontroller through a connecting circuit; the connection circuit includes: the device comprises a feedback compensation module, a first amplification module, a second amplification module, a third amplification module and a fourth amplification module;
the feedback compensation module includes:
a fifth resistor (R5) having a first terminal connected to ground;
a first resistor (R1) having one end connected to the first end of the pressure sensor;
an emitter of the second triode (Q2) is connected with the second end of the fifth resistor (R5) through a sixth resistor (R6), the emitter of the second triode (Q2) is also connected with the other end of the first resistor (R1), and a collector of the second triode (Q2) is connected with a collector of the first triode (Q1);
a first triode (Q1), wherein an emitter electrode is connected with the first end of the pressure sensor;
a fourth resistor (R4), one end of which is connected with the emitter of the second triode (Q2), and the other end of which is connected with the collector of the first triode (Q1);
one end of the first amplification module is connected with the base electrode of a first triode (Q1), and the other end of the first amplification module is connected with the microcontroller;
one end of the second amplification module is connected with the base electrode of a second triode (Q2), and the other end of the second amplification module is connected with the microcontroller;
the third amplification module includes:
a positive input end of the first operational amplifier (U1) is connected with a second end of the fifth resistor (R5) through a second resistor (R2), the positive input end of the first operational amplifier (U1) is also grounded through an eleventh resistor (R11), and a negative input end of the first operational amplifier (U1) is connected with the first end of the pressure sensor through a third resistor (R3);
a first capacitor (C1), one end of which is connected with the negative input end of the first operational amplifier (U1), and the other end of which is connected with the output end of the first operational amplifier (U1);
the fourth amplification module includes:
a seventh resistor (R7) with one end connected to the output end of the first operational amplifier (U1);
a positive input end of the second operational amplifier (U2) is connected with the other end of the seventh resistor (R7), and the positive input end of the second operational amplifier (U2) is also grounded through an eighth resistor (R8);
the circuit comprises a tenth resistor (R10) and a twelfth resistor (R12), wherein one end of the tenth resistor (R10) is connected with the negative input end of the second operational amplifier (U2), the other end of the tenth resistor (R10) is connected with one end of the twelfth resistor (R12), and the other end of the twelfth resistor (R12) is connected with the output end of the second operational amplifier (U2) and is connected with the microcontroller.
CN202010583428.9A 2020-06-23 2020-06-23 Drainage device for medical clinic Active CN111658835B (en)

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