CN117717658A

CN117717658A - Medical drainage device

Info

Publication number: CN117717658A
Application number: CN202410015638.6A
Authority: CN
Inventors: 郑时康; 张淑琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-01-05
Filing date: 2024-01-05
Publication date: 2024-03-19
Anticipated expiration: 2044-01-05
Also published as: CN117717658B

Abstract

The invention discloses a medical drainage device, which relates to the technical field of effusion drainage and comprises a fixed support, wherein a protective frame body is arranged at the end part of the fixed support, a drainage box is arranged in the protective frame body, a controller is arranged on the upper surface of the drainage box, a piston cylinder is arranged on the upper surface of the drainage box, a connecting pipe and a liquid inlet pipe are fixedly communicated with the surface of the piston cylinder, a piston plate is slidingly connected with the inner wall of the piston cylinder, and a piston rod is fixedly connected with the surface of the piston plate.

Description

Medical drainage device

Technical Field

The invention relates to the technical field of effusion drainage, in particular to a medical drainage device.

Background

The cardiology department, namely the cardiovascular department, is a clinical department set by the major department of hospitals at all levels for diagnosing and treating cardiovascular diseases.

Drainage is one of the common operation modes of cardiovascular medicine, such as using the cavity and percutaneous puncture in human body to establish treatment channel for various pathological changes, puncture drainage, suction drainage calculus treatment, etc.; therefore, the drainage device has become a necessary medical apparatus in hospitals, most of the existing drainage devices adopt a mode that a sealed drainage bottle is respectively connected with a drainage tube and an air duct, and the negative pressure is utilized to drain out the internal liquid, so that a drainage bag and a drainage device for drainage liquid alarming can be disclosed as Chinese patent CN202210645103.8, and the drainage device can be known to comprise: the drainage bag body is used for collecting drainage liquid; the plastic water column is communicated with the drainage bag body, and the liquid level height in the plastic water column is the same as the liquid level height in the drainage bag body; and the alarm is connected with the plastic water column in a matched manner and outputs alarm information according to the liquid level height in the plastic water column.

Based on the search of the prior art, certain defects still exist in the practical use, and the specific problems have the following points:

1. at present, in order to adjust the negative pressure during drainage, a liquid adjusting cavity for adjusting the negative pressure is often arranged beside a drainage bottle, sterile water is filled in the negative pressure adjusting cavity, and the negative pressure of how many centimeters of water columns is needed to add how much centimeter of water, so that the negative pressure during drainage can be adjusted according to the negative pressure amount acceptable by different patient bodies, but a certain amount of sterile water is needed to be stored in advance for standby, and the adjustment mode is more complicated.

2. At present, a drainage device in the prior art is used for storing a drainage bottle for draining effusion from a patient, and the drainage bottle is usually disposable due to the inconvenient cleaning of the effusion in the drainage bottle, so that the waste of resources is caused.

Disclosure of Invention

The present invention is directed to a medical drainage device, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a medical drainage device, includes the fixed bolster, the tip of fixed bolster is provided with the protection framework, the inside of protection framework is provided with the drainage case, the upper surface of drainage case is provided with the controller, the upper surface of drainage case is provided with the piston cylinder, the fixed surface intercommunication of piston cylinder has connecting pipe and feed liquor pipe, the inner wall sliding connection of piston cylinder has the piston board, the fixed surface of piston board is connected with the piston rod, the fixed surface intercommunication of drainage case has the fluid-discharge tube, the side of drainage case is provided with the casing, the inside of casing is provided with and is used for making the piston rod carries out reciprocating motion's negative pressure drainage part;

the shell is internally provided with an adaptive part for controlling the reciprocating movement distance of the piston rod and a cleaning part for cleaning the effusion of the patient in the drainage box.

Optionally, the negative pressure drainage component comprises a supporting plate fixedly connected to the side surface of the drainage box, a driving motor is arranged on the lower surface of the supporting plate, and a sleeve is fixedly connected to an output shaft of the driving motor;

still include bull stick one, bull stick one's fixed surface is connected with a plurality of arc archs that evenly set up, sheathed tube inner wall has seted up confession bull stick one and a plurality of arc protruding slip and the notch of adaptation, bull stick one's upper surface fixedly connected with batter post.

Optionally, the negative pressure drainage component further comprises a supporting rod fixedly connected to the end part of the piston rod, a first spring is arranged between the supporting rod and the piston cylinder, and the side surface of the supporting rod is in butt joint with the inclined column.

Optionally, the adaptation part is including setting up electric telescopic handle one of backup pad upper surface, electric telescopic handle one's output fixedly connected with movable plate, the bull stick one runs through the movable plate and rather than fixed shaft rotation connection.

Optionally, the cleaning component comprises a rectangular frame fixedly connected to the lower surface of the moving plate, the inner wall of the rectangular frame is slidably connected with a moving block, a second spring is commonly arranged between the moving block and the moving plate, the moving block penetrates through the supporting plate and is slidably connected with the supporting plate, and the end part of the moving block is hinged with a first hinge plate;

the side surface fixed shaft of the drainage box is rotatably connected with a rotating column, one end of the rotating column extending out of the drainage box is fixedly connected with a first disc, and the end part of the first hinge plate is hinged with the first disc;

the rotary column stretches into the other end fixedly connected with swivel plate of drain box, the fixed surface of swivel plate is connected with the disc two, the flowing back through hole with flowing back pipe size looks adaptation is seted up to the side of drain box.

Optionally, the clearance part is still including fixed connection in rack row on piston plate surface, the upper surface dead axle rotation of drain box is connected with bull stick two, bull stick two's fixed surface be connected with rack row engaged with incomplete gear, bull stick two stretch into the one end fixedly connected with a plurality of puddlers of drain box, a plurality of the equal dead axle rotation in surface of puddler is connected with a plurality of impeller blade.

Optionally, a first hinge block is arranged on the lower surface of the drainage box, an electric telescopic rod II is arranged on the inner wall of the protection frame body, a second hinge block is arranged at the output end of the electric telescopic rod II, and a second hinge plate is hinged between the first hinge block and the second hinge block;

the drainage box is characterized in that a rectangular notch is formed in the lower surface of the drainage box, a sliding block is connected to the inner wall of the rectangular notch in a sliding mode, a third hinge plate is hinged to the end portion of the sliding block, the end portion of the third hinge plate is hinged to the inner wall of the protection frame body, and a plurality of universal wheels are arranged below the fixing support.

Optionally, a first check valve is arranged on the surface of the connecting pipe, and a second check valve is arranged on the surface of the liquid inlet pipe.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the driving motor is started to drive the inclined column to rotate, and the abutting rod is pushed to reciprocate under the action of elastic potential energy of the spring, so that the piston rod drives the piston plate to reciprocate in the piston cylinder, and the piston in the piston cylinder can move, so that the accumulated liquid in a patient can be drained into the drainage box through the liquid inlet pipe for storage.

2. According to the invention, the first electric telescopic rod is controlled to drive the inclined column to move, so that the contact surface of the inclined column and the abutting rod is changed, and the distance that the inclined column pushes the abutting rod to reciprocate is changed, so that the negative pressure adsorption quantity of the liquid accumulation in the patient body can be changed each time when the piston cylinder is used for drainage surgery, and compared with the traditional mode of changing the negative pressure by changing the height of the water column in the negative pressure adjusting cavity, the operation is simpler, and the adjustment is quicker.

3. After drainage of the accumulated liquid in a patient is finished, the driving motor is closed, the first electric telescopic rod is controlled to be contracted to the position that the abutting rod contacts with the uppermost side surface of the inclined column, the negative pressure amount of each piston movement in the piston cylinder can be adjusted to be maximum, and meanwhile, under the hinging action of the first hinge plate, the second disc is deflected to a position staggered with the liquid discharge through hole, namely the liquid discharge through hole is automatically opened at the moment;

the connecting pipe is communicated with an external water source, the driving motor is started again, and at the moment, the maximum amount of clear water can be sucked from the connecting pipe to clean the drainage box under the action of negative pressure adsorption in the piston cylinder; after the piston cylinder and the drainage box are cleaned, the next drainage operation can be performed, and compared with the traditional disposable drainage bottle, the drainage bottle avoids the waste of resources and is beneficial to energy conservation and environmental protection.

4. After the electric telescopic rod is controlled to be contracted to the position where the abutting rod contacts with the uppermost side surface of the inclined column, the rack bar on the piston plate can be moved to the position where the rack bar is meshed with the residual gear, the residual gear can be made to reciprocally rotate when the clean water is sucked to clean the drainage box along with the reciprocal motion of the piston plate, and the stirring rods and the impeller blades can reciprocally rotate in the drainage box, so that sticky accumulated liquid in the drainage box can be broken up, the cleaning effect on the accumulated liquid in the drainage box can be improved, and the next use of the drainage box is ensured.

Drawings

FIG. 1 is an isometric view of a construction of the present invention;

FIG. 2 is a cross-sectional view of the drain box structure of the present invention;

FIG. 3 is a cross-sectional view of the present invention at a housing structure;

FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;

FIG. 5 is a schematic view of a second structure of a disk according to the present invention;

FIG. 6 is a schematic view of a hinge block of the present invention at one configuration.

In the figure: 1. a fixed bracket; 2. a universal wheel; 3. a protective frame; 4. a drainage box; 5. a controller; 6. a connecting pipe; 7. a piston cylinder; 8. a first spring; 9. a piston rod; 10. a butt joint rod; 11. a diagonal column; 12. a liquid discharge pipe; 14. a housing; 15. a driving motor; 16. a sleeve; 17. arc-shaped bulges; 18. a first rotating rod; 19. a moving plate; 20. a piston plate; 21. a second check valve; 22. a liquid inlet pipe; 23. a rectangular frame; 24. an electric telescopic rod I; 25. a moving block; 26. a first hinge plate; 27. a first disc; 28. a first check valve; 29. rotating the column; 30. a rack row; 31. a stub gear; 32. a second rotating rod; 33. a second spring; 35. a stirring rod; 36. impeller blades; 37. a second disc; 38. a rectangular notch; 39. a slide block; 40. a third hinge plate; 41. an electric telescopic rod II; 42. a second hinging block; 43. a second hinge plate; 44. and a first hinge block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one: referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a drainage device for medical treatment, including fixed bolster 1, the tip of fixed bolster 1 is provided with protection framework 3, the inside of protection framework 3 is provided with drainage case 4, the upper surface of drainage case 4 is provided with controller 5, the upper surface of drainage case 4 is provided with piston cylinder 7, the fixed intercommunication in surface of piston cylinder 7 has connecting pipe 6 and feed liquor pipe 22, the inner wall sliding connection of piston cylinder 7 has piston plate 20, the fixed connection in surface of piston plate 20 has piston rod 9, the fixed intercommunication in surface of drainage case 4 has fluid-discharge tube 12, the side of drainage case 4 is provided with casing 14, the inside of casing 14 is provided with the negative pressure drainage part that is used for making piston rod 9 carry out reciprocating motion;

an adaptation component for controlling the reciprocating distance of the piston rod 9 and a cleaning component for cleaning the effusion of the patient in the drainage box 4 are also arranged in the shell 14.

The surface of the connecting pipe 6 is provided with a first check valve 28, and the surface of the liquid inlet pipe 22 is provided with a second check valve 21.

The lower surface of drain box 4 has seted up rectangle notch 38, and the inner wall sliding connection of rectangle notch 38 has slider 39, and the tip of slider 39 articulates there is the articulated slab III 40, and the tip of articulated slab III 40 articulates with the inner wall of protection framework 3, and the below of fixed bolster 1 is provided with a plurality of universal wheels 2.

More specifically, when the device is used, as shown in fig. 1, the protection frame 3 is pushed, under the action of the four universal wheels 2 below the fixing support 1, the device can be moved to the side of a patient needing drainage operation, one end of the drainage tube is communicated with the connecting tube 6, the other end of the drainage tube is inserted into the body of the patient, then the negative pressure drainage component is controlled, the piston rod 9 drives the piston plate 20 to reciprocate in the piston tube 7, and as the circulation direction of the one-way valve 28 on the surface of the connecting tube 6 is the direction from the connecting tube 6 to the interior of the piston tube 7, the circulation direction of the one-way valve 21 on the surface of the liquid inlet tube 22 is the direction from the piston tube 7 to the interior of the liquid inlet tube 22, at this time, the piston movement in the piston tube 7 increases the negative pressure in the piston tube 7, and then the accumulated liquid in the patient is drained into the drainage box 4 through the liquid inlet tube 22 under the adsorption action of the negative pressure in the piston tube 7.

In this process, through control adaptation part, can be according to the real-time condition of patient's health promptly, adjust piston rod 9 reciprocating motion's distance in piston cylinder 7 to make the device can adapt to the different conditions of patient's health, timely adjustment of carrying out the interior negative pressure volume of piston cylinder 7, compare in traditional regulation mode through changing negative pressure regulation intracavity water column height, the operation is simpler, and adaptability is stronger.

After the drainage of the accumulated liquid in the patient is finished, the negative pressure drainage component is controlled to be closed firstly, then the distance of the piston rod 9 reciprocating in the piston cylinder 7 is regulated to be maximum by controlling the adapting component, the liquid discharge pipe 12 can be opened, meanwhile, the connecting pipe 6 is communicated with an external water source, then the negative pressure drainage component is controlled to be opened again, the same is achieved, the external clear water can be conveyed into the piston cylinder 7 under the action of negative pressure adsorption in the piston cylinder 7, and is discharged into the drainage box 4 from the liquid inlet pipe 22, at the moment, the stored accumulated liquid in the drainage box 4 is mixed with the clear water and is discharged from the liquid discharge pipe 12 together, after the accumulated liquid in the drainage box 4 is discharged, the inner walls of the piston cylinder 7 and the drainage box 4 can be cleaned along with the continuous operation of the negative pressure drainage component, and the next drainage operation can be performed after the cleaning of the piston cylinder 7 and the drainage box 4 is finished, so that compared with the traditional disposable drainage bottle, the waste of resources is avoided, and the energy conservation and environmental protection are facilitated.

It should be noted that, as shown in fig. 1, the fixed support 1 below the protection frame 3 is similar to the movable support below a commercial electronic racing chair, and the vertical height of the protection frame 3 can be adjusted while the negative pressure drainage component in the protection frame 3 is effectively supported, so that the whole movement of the device is facilitated, and the practicability is stronger.

In the second embodiment, on the basis of the above embodiment, further, a negative pressure drainage component and an adaptation component in the first embodiment are disclosed, the negative pressure drainage component includes a support plate fixedly connected to the side surface of the drainage box 4, a driving motor 15 is arranged on the lower surface of the support plate, and a sleeve 16 is fixedly connected to an output shaft of the driving motor 15;

still include bull stick one 18, the fixed surface of bull stick one 18 is connected with a plurality of arc protruding 17 of evenly setting, and the notch that supplies bull stick one 18 and a plurality of arc protruding 17 to slide and adaptation is seted up to the inner wall of sleeve pipe 16, and the upper surface of bull stick one 18 is fixedly connected with batter post 11.

The negative pressure drainage component further comprises a supporting rod 10 fixedly connected to the end part of the piston rod 9, a first spring 8 is arranged between the supporting rod 10 and the piston cylinder 7, and the side surface of the supporting rod 10 is in butt joint with the inclined column 11.

The adaptation part includes the electric telescopic rod one 24 that sets up at backup pad upper surface, and electric telescopic rod one 24's output fixedly connected with movable plate 19, bull stick one 18 run through movable plate 19 and with its corresponding axle rotation connection.

More specifically, in this embodiment, when the device is used, the whole device is moved to the side of a patient needing drainage operation, then one end of the drainage tube is communicated with the connecting tube 6, and then the other end of the drainage tube is inserted into the patient, as shown in fig. 2 and 4, after the other end of the drainage tube is inserted into the patient, the abutting rod 10 in this state contacts with the uppermost side surface of the inclined rod 11, at this time, the distance of the piston rod 9 reciprocating in the piston cylinder 7 is the largest, the electric telescopic rod 24 is controlled to extend first, the rotating rod 18 is driven to move upwards, the abutting rod 10 is driven to move upwards, in this process, the abutting rod 10 is driven to move downwards relative to the inclined rod 11, at this time, the contact surface between the inclined rod 11 and the abutting rod 10 can be changed, so that the maximum distance of the abutting rod 10 is pushed by the inclined rod 11 when the driving motor 15 rotates, and the distance of the piston rod 9 reciprocating in the piston cylinder 7 can be changed, so that the negative pressure in the piston cylinder 7 can be changed, according to the physical condition of the patient, the electric telescopic rod 24 is controlled to adjust the negative pressure in the piston cylinder 7 to the body of the patient to the acceptable driving capacity of the patient, and then the driving motor 15 is started.

The rotation of the driving motor 15 drives the sleeve 16 to start rotating, and the sleeve 16 is sleeved on the outer sides of the first rotating rod 18 and the plurality of arc-shaped protrusions 17 in a sliding manner, so that the first rotating rod 18 rotates synchronously due to the rotation of the sleeve 16, the first rotating rod 18 rotates to enable the inclined column 11 to start rotating, and along with the rotation of the inclined column 11, the abutting rod 10 can be pushed to reciprocate under the action of elastic potential energy of the first spring 8, so that the piston rod 9 drives the piston plate 20 to reciprocate in the piston cylinder 7, the piston cylinder 7 performs piston motion, and accumulated liquid in a patient can be drained into the drainage box 4 through the liquid inlet pipe 22 to be stored.

According to the real-time condition of the patient, when the negative pressure in the piston cylinder 7 needs to be regulated, the first electric telescopic rod 24 is controlled to extend or shrink again, and the contact surface between the inclined column 11 and the abutting rod 10 is changed.

The third embodiment, further, discloses the cleaning member in the first embodiment on the basis of the above embodiment, where the cleaning member includes a rectangular frame 23 fixedly connected to the lower surface of the moving plate 19, the inner wall of the rectangular frame 23 is slidably connected with a moving block 25, a second spring 33 is jointly disposed between the moving block 25 and the moving plate 19, the moving block 25 penetrates through the supporting plate and is slidably connected with the supporting plate, and a hinge plate one 26 is hinged to an end of the moving block 25;

the side surface of the drainage box 4 is fixedly connected with a rotating column 29 in a rotating way, one end of the rotating column 29 extending out of the drainage box 4 is fixedly connected with a first disc 27, and the end part of the first hinge plate 26 is hinged with the first disc 27;

the other end of the rotating column 29 extending into the drainage box 4 is fixedly connected with a rotating plate, the surface of the rotating plate is fixedly connected with a second disc 37, and a drainage through hole matched with the size of the drainage pipe 12 is formed in the side face of the drainage box 4.

The cleaning component further comprises a rack bar 30 fixedly connected to the surface of the piston plate 20, a second rotating rod 32 is fixedly connected to the upper surface of the drainage box 4 in a fixed shaft rotating mode, a residual gear 31 meshed with the rack bar 30 is fixedly connected to the surface of the second rotating rod 32, a plurality of stirring rods 35 are fixedly connected to one end of the second rotating rod 32 extending into the drainage box 4, and a plurality of impeller blades 36 are fixedly connected to the surfaces of the stirring rods 35 in a fixed shaft rotating mode.

More specifically, in this embodiment, as shown in fig. 2 to 6, when the first electric telescopic rod 24 is controlled to move upwards, so that the inclined column 11 moves upwards, the first electric telescopic rod 24 moves upwards to move the moving block 25 upwards, and the first hinge plate 26 is straightened in the vertical direction along with the upward movement of the moving block 25, in this process, the first hinge plate 26 is straightened, the first disc 27 starts to rotate, the first disc 27 rotates to enable the rotating column 29 to rotate, so that the second disc 37 moves circumferentially around the axis of the rotating column 29, and when the first hinge plate 26 is straightened, the first disc 27 also moves just to a position opposite to the drain through hole on the surface of the drainage box 4 and shields the drain through hole.

In summary, as shown in fig. 2 and 3, when the first electric telescopic rod 24 is controlled to extend to drive the inclined column 11 to move upwards in this state, the distance of the reciprocating movement of the piston rod 9 in the piston cylinder 7 is reduced from the maximum, and the first disc 27 shields the drain through hole.

Similarly, when the reciprocating distance of the piston rod 9 is the maximum, that is, when the negative pressure in the piston cylinder 7 is the maximum, the state corresponds to the state that the liquid discharge through hole is opened, that is, the state that the drainage box 4 can be cleaned, and when the negative pressure in the piston cylinder 7 is reduced along with the upward movement of the inclined column 11, the liquid discharge through hole is automatically closed.

It should be noted that, as shown in fig. 3 and fig. 4, after the drain through hole is blocked by the first disk 27, if the negative pressure in the piston cylinder 7 needs to be regulated to be smaller, the first electric telescopic rod 24 is controlled to be extended continuously, the second spring 33 is extended along with the upward movement of the inclined column 11, the drain through hole is still in a state blocked by the first disk 27, and only after the drainage operation of the patient is finished, the first electric telescopic rod 24 is controlled to be contracted and reset, so that the negative pressure in the piston cylinder 7 is restored to the state shown in fig. 3, the drain through hole is opened accordingly, then the connecting pipe 6 is communicated with an external water source, the driving motor 15 is started again, and at this time, the cleaning operation of the piston cylinder 7 and the drainage box 4 can be performed.

Because this device finishes at the drainage operation, the negative pressure adsorption quantity in the corresponding piston cylinder 7 when clear up in to drainage case 4 is also the biggest to can make in the piston cylinder 7 a piston motion absorb the washing of drainage case 4 of the biggest clear water, the cleaning efficiency is higher.

It should be noted that, as shown in fig. 4, when the drainage operation is completed and the accumulated liquid in the drainage box 4 is cleaned, the rack bar 30 moves to a position engaged with the spur gear 31 due to the maximum reciprocating distance of the piston rod 9, and the spur gear 31 is reciprocally rotated due to the reciprocating movement of the piston plate 20.

As shown in fig. 5, with the reciprocating rotation of the spur gear 31, the second rotating rod 32 is made to reciprocate, so that the stirring rods 35 start to reciprocate in the drainage box 4, and the viscous liquid in the drainage box 4 can be dispersed by matching with the use of the impeller blades 36, and can be better mixed with clear water, so that the liquid in the drainage box 4 can be better discharged, and the cleaning effect in the drainage box 4 can be improved after the drainage operation is completed.

In the fourth embodiment, further, in order to avoid that a part of accumulated liquid in the drainage box 4 is adhered to the bottom of the drainage box 4 and cannot be discharged, a first hinge block 44 is arranged on the lower surface of the drainage box 4, a second electric telescopic rod 41 is arranged on the inner wall of the protection frame 3, a second hinge block 42 is arranged at the output end of the second electric telescopic rod 41, and a second hinge plate 43 is hinged between the first hinge block 44 and the second hinge block 42;

More specifically, when the drainage box 4 is cleaned in use, as shown in fig. 5 and 6, the second electric telescopic rod 41 is controlled to extend, the drainage box 4 can be inclined to a side close to the drainage pipe 12 under the action of the second hinge plate 43 and the third hinge plate 40, and at this time, the accumulated liquid partially attached to the bottom of the drainage box 4 can be discharged from the drainage pipe 12 under the action of gravity, so that the problem that part of accumulated liquid may not be discharged from the bottom of the drainage box 4 is solved.

Working principle: when the medical drainage device is used, the protection frame body 3 is pushed, under the action of the four universal wheels 2 below the fixed support 1, the device is integrally moved to the side of a patient needing drainage operation, one end of the drainage tube is communicated with the connecting tube 6, the other end of the drainage tube is inserted into the body of the patient, the driving motor 15 is started, the sleeve 16 and the first rotating rod 18 are driven to synchronously rotate, the inclined column 11 starts to rotate, the abutting rod 10 can be pushed to reciprocate under the action of elastic potential energy of the first spring 8 along with the rotation of the inclined column 11, so that the piston rod 9 drives the piston plate 20 to reciprocate in the piston cylinder 7, and piston motion is carried out in the piston cylinder 7, namely, accumulated liquid in the patient is drained into the drainage box 4 through the liquid inlet tube 22 to be stored.

When the negative pressure amount in the piston cylinder 7 needs to be adjusted according to the real-time condition of a patient, the first electric telescopic rod 24 is controlled, the contact surface of the inclined column 11 and the abutting rod 10 is changed, and the negative pressure amount in the piston cylinder 7 can be adjusted.

After drainage of the accumulated liquid in the patient, the driving motor 15 is closed, the electric telescopic rod I24 is controlled to be contracted to the position where the abutting rod 10 contacts with the uppermost side face of the inclined column 11, at the moment, the distance of the piston rod 9 in the piston cylinder 7 in a reciprocating manner is the largest, namely, the negative pressure amount of each piston movement in the piston cylinder 7 is the largest, the disc II 37 is deflected to a position staggered with the liquid draining through hole under the hinging action of the hinge plate I26, namely, the liquid draining through hole at the moment can be automatically opened, the connecting pipe 6 is communicated with an external water source, the driving motor 15 is started again, at the moment, external clear water can be conveyed into the piston cylinder 7 under the action of negative pressure adsorption in the piston cylinder 7, and therefore cleaning operation of the piston cylinder 7 and the drainage box 4 can be carried out.

After the piston cylinder 7 and the drainage box 4 are cleaned, the next drainage operation can be performed, so that the repeated use of the drainage device can be completed, and compared with the traditional disposable drainage bottle, the waste of resources is avoided, and the energy conservation and environmental protection are facilitated.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A medical drainage device, comprising a fixed support (1), characterized in that: the end of fixed bolster (1) is provided with protection framework (3), the inside of protection framework (3) is provided with drain box (4), the upper surface of drain box (4) is provided with controller (5), the upper surface of drain box (4) is provided with piston cylinder (7), the fixed surface intercommunication of piston cylinder (7) has connecting pipe (6) and feed liquor pipe (22), the inner wall sliding connection of piston cylinder (7) has piston plate (20), the fixed surface of piston plate (20) is connected with piston rod (9).

2. The medical drainage device according to claim 1, wherein: the surface fixing of drainage case (4) communicates there is fluid-discharge tube (12), the side of drainage case (4) is provided with casing (14), the inside of casing (14) is provided with and is used for making piston rod (9) carry out reciprocating motion's negative pressure drainage part.

3. The medical drainage device according to claim 2, wherein: an adaptation component for controlling the reciprocating movement distance of the piston rod (9) and a cleaning component for cleaning the effusion of the patient in the drainage box (4) are also arranged in the shell (14).

4. A medical drainage device according to claim 3, wherein: the negative pressure drainage component comprises a supporting plate fixedly connected to the side face of the drainage box (4), a driving motor (15) is arranged on the lower surface of the supporting plate, and a sleeve (16) is fixedly connected to an output shaft of the driving motor (15);

the novel rotary rod comprises a sleeve (16), and is characterized by further comprising a first rotary rod (18), wherein a plurality of arc-shaped protrusions (17) which are uniformly arranged are fixedly connected to the surface of the first rotary rod (18), notches which are used for the first rotary rod (18) and the plurality of arc-shaped protrusions (17) to slide and adapt to are formed in the inner wall of the sleeve, and inclined columns (11) are fixedly connected to the upper surface of the first rotary rod (18);

the negative pressure drainage component further comprises a supporting rod (10) fixedly connected to the end part of the piston rod (9), a first spring (8) is arranged between the supporting rod (10) and the piston cylinder (7), and the side surface of the supporting rod (10) is in abutting connection with the inclined column (11);

the adaptation component comprises an electric telescopic rod I (24) arranged on the upper surface of the supporting plate, the output end of the electric telescopic rod I (24) is fixedly connected with a moving plate (19), and the rotating rod I (18) penetrates through the moving plate (19) and is in rotary connection with a fixed shaft of the rotating rod I;

the cleaning component comprises a rectangular frame (23) fixedly connected to the lower surface of the movable plate (19), the inner wall of the rectangular frame (23) is slidably connected with a movable block (25), a second spring (33) is arranged between the movable block (25) and the movable plate (19), the movable block (25) penetrates through the supporting plate and is slidably connected with the supporting plate, and a first hinge plate (26) is hinged to the end part of the movable block (25);

the side surface of the drainage box (4) is fixedly connected with a rotating column (29) in a rotating way, one end of the rotating column (29) extending out of the drainage box (4) is fixedly connected with a first disc (27), and the end part of the first hinge plate (26) is hinged with the first disc (27);

the rotary column (29) extends into the other end of the drainage box (4) and is fixedly connected with a rotary plate, the surface of the rotary plate is fixedly connected with a second disc (37), and a drainage through hole matched with the drainage pipe (12) in size is formed in the side face of the drainage box (4);

the cleaning component further comprises a rack row (30) fixedly connected to the surface of the piston plate (20), a second rotating rod (32) is fixedly connected to the upper surface of the drainage box (4) in a rotating mode, a residual gear (31) meshed with the rack row (30) is fixedly connected to the surface of the second rotating rod (32), and a plurality of stirring rods (35) are fixedly connected to one end of the second rotating rod (32) extending into the drainage box (4).

5. The medical drainage device according to claim 4, wherein: the lower surface of drainage case (4) is provided with hinge piece one (44), the inner wall of protection framework (3) is provided with electric telescopic handle two (41).

6. The medical drainage device according to claim 5, wherein: the output end of the electric telescopic rod II (41) is provided with a hinge block II (42), and a hinge plate II (43) is hinged between the hinge block I (44) and the hinge block II (42).

7. The medical drainage device according to claim 6, wherein: the surfaces of the stirring rods (35) are fixedly connected with a plurality of impeller blades (36) in a rotating mode.

8. The medical drainage device according to claim 7, wherein: rectangular notch (38) have been seted up to the lower surface of drainage case (4), the inner wall sliding connection of rectangular notch (38) has slider (39), the tip of slider (39) articulates there is hinge plate III (40), the tip of hinge plate III (40) with the inner wall of protection framework (3) articulates mutually, the below of fixed bolster (1) is provided with a plurality of universal wheels (2).

9. The medical drainage device according to claim 1, wherein: the surface of the connecting pipe (6) is provided with a first check valve (28), and the surface of the liquid inlet pipe (22) is provided with a second check valve (21).