CN216394859U

CN216394859U - Simple wound surface negative pressure continuous sealing drainage device

Info

Publication number: CN216394859U
Application number: CN202120162097.1U
Authority: CN
Inventors: 范敏丽; 覃燕玲
Original assignee: Pingnan People's Hospital
Current assignee: Pingnan People's Hospital
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2022-04-29
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a simple negative pressure continuous closed drainage device for a wound surface, which comprises a drainage bottle and a needle cylinder, wherein the top of the drainage bottle is packaged with a bottle cap, one side of the upper end of the bottle cap is in threaded connection with a bottle plug, a drainage tube is inserted in the middle of the bottle plug in a sealing manner, the upper end of the drainage bottle is provided with the bottle cap with the bottle plug, the middle of the bottle plug is provided with the drainage tube for matching with the wound part of a patient for drainage operation, the upper end of a one-way valve is provided with a needle cylinder component, the component arranged in the needle cylinder is used for air extraction operation, air is extracted from the middle of the drainage bottle, so that a certain negative pressure space is formed in the drainage bottle, the drainage operation of the drainage bottle is convenient, the stable drainage of the wound part of the patient is maintained, the drainage is smooth, the tube cavity is not easy to block, exudate and necrotic tissues in a drainage area can be timely removed, the local microcirculation is improved, and the tissue edema is promoted to be eliminated, stimulating granulation tissue growth and accelerating wound healing.

Description

Simple wound surface negative pressure continuous sealing drainage device

Technical Field

The utility model relates to the technical field of drainage bottles, in particular to a simple wound negative-pressure continuous closed drainage device.

Background

With the rapid development of the transportation industry and the industry of the hybrid flee, the cases of soft tissue defect and wound infection caused by motor vehicle injury and machine twisting and smashing injury are increasing, wound infection is controlled, wound healing is promoted, complications are reduced, and functional recovery is promoted, which is one of the important subjects of the trauma surgery.

The conventional drainage, dressing change and secondary wound surface closing are mainly adopted in the past, but the method has the problems of long healing time, wound surface infection, great pain of patients, high cost, more complications and the like.

Therefore, it is necessary to provide a simple wound surface negative pressure continuous sealing drainage device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple wound negative-pressure continuous closed drainage device, which has the advantages of disassembly, assembly, reuse, smooth drainage and acceleration of wound healing, and solves the problems of long healing time, wound infection, great pain of patients, high cost, more complications and the like of the conventional drainage, dressing change and secondary wound closure.

In order to achieve the purpose, the utility model provides the following technical scheme: a simple wound surface negative pressure continuous closed drainage device comprises a drainage bottle and a needle cylinder, wherein a bottle cap is packaged at the top of the drainage bottle, a bottle plug is in threaded connection with one side of the upper end of the bottle cap, a drainage tube is inserted in the middle of the bottle plug in a sealing mode, an exhaust tube is bonded on the other side of the upper end of the bottle cap in a sealing mode, a rubber sleeve is sleeved at the upper end of the exhaust tube, a connecting tube is inserted in the end portion of the rubber sleeve in a sealing mode, a one-way valve is bonded at the end portion of the connecting tube, and the lower end of the needle cylinder is inserted in an upper end port of the one-way valve;

a rubber plug is movably inserted into the needle cylinder, the end part of the rubber plug is in threaded connection with a handle, the upper end of the handle is clamped on the inner side wall of the needle cylinder, a baffle is clamped at the upper end of the needle cylinder, a through hole structure matched with the handle is formed in the middle of the baffle, the handle is inserted into a through hole in the middle of the baffle, a limiting block is in threaded connection with the middle of the upper end of the handle, and the limiting block is positioned above the baffle;

the rubber buffer middle one side has been seted up the through-hole structure, just the rubber buffer middle through-hole inboard is packaged with the sleeve pipe, the inside activity of sleeve pipe is pegged graft there is the connecting rod, connecting rod upper end threaded connection has the block rubber, the block rubber joint is in rubber buffer upper end through-hole department, sleeve pipe bottom side wall joint has the extension spring, bolted connection is passed through in the extension spring upper end in the connecting rod bottom.

Preferably, connecting pipe side threaded connection has the end cap, the air vent has been seted up to the end cap inside wall, the equidistant cloth of end cap lateral wall has anti-skidding line, just the end cap inside wall bonds with the connecting pipe junction and has the cushion.

Preferably, the side wall of the needle cylinder is bonded with a scale plate, and scale marks of the scale plate are arranged in parallel with the upper end face of the rubber plug.

Preferably, threaded connection has the handle on the handle, the handgrip is located the stopper top, anti-skidding line has been seted up to the handle lateral wall.

Preferably, the terminal surface is the tapered structure under the rubber block, just the rubber buffer upper end through-hole lateral wall seted up with the terminal surface assorted tapered groove structure under the rubber block.

Preferably, the end part of the drainage tube is sleeved with an adjusting tube, the end part of the adjusting tube is packaged with a valve, and the other end of the valve is communicated with a liquid inlet tube.

Preferably, the side wall of the middle position of the baffle is of a folding structure, the end part of the baffle is provided with a matched buckle structure, and the side wall of the bottom of the baffle is provided with an avoiding groove structure matched with the bulge of the end part of the needle cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the bottle cap 3 with the bottle plug 4 is arranged at the upper end of the drainage bottle 1, the drainage tube 5 is arranged in the middle of the bottle plug 4 and is used for being matched with a wound part of a patient to perform drainage operation, the exhaust tube 6 provided with the rubber sleeve 7 is additionally arranged at the other side of the upper end of the bottle cap 3, the one-way valve 9 is arranged at the upper end of the rubber sleeve 7 through the connecting tube 8, the one-way valve 9 is used for being matched with a part for sealing the exhaust tube 6 and is connected through the rubber sleeve 7, the needle cylinder 2 component is arranged at the upper end of the one-way valve 9, the component arranged in the needle cylinder 2 is used for performing air exhaust operation, and air is exhausted from the middle of the drainage bottle 1, so that a certain negative pressure space is formed in the drainage bottle 1, the drainage work of the drainage bottle 1 is facilitated, and the stable drainage of the wound part of the patient is maintained; a handle 11 provided with a rubber plug 10 is additionally arranged in the needle cylinder 2, the handle 11 is pulled upwards, the handle 11 can drive the rubber plug 10 to move upwards, so that a negative pressure space is formed at the lower end of the needle cylinder 2, the one-way valve 9 is opened, the rubber sleeve 7 and the exhaust tube 6 are fed through a connecting tube 8 at the lower end of the one-way valve 9, air is exhausted from the middle of the drainage bottle 1, a certain negative pressure space is formed in the drainage bottle 1, drainage is convenient, a baffle 12 is additionally arranged at the upper end of the needle cylinder 2, the baffle 12 is used for limiting the handle 11 provided with a limiting block 13, the limiting block 13 is screwed, the position of the limiting block 13 in the middle of the handle 11 is adjusted, the limiting distance of the baffle 12 to the handle 11 can be changed, the rubber plug 10 arranged at the lower end of the handle 11 can be conveniently fixed at a certain height, and negative pressure drainage operation is carried out;

2. according to the utility model, through increasing the through hole structure on the inner side of the rubber plug 10, installing the sleeve 14 with the rubber block 16 assembly in the middle of the through hole, when the rubber plug 10 moves upwards and air is pumped, the rubber block 16 can be pulled downwards by the connecting rod 15 under the action of the tension spring 17, so that the rubber block 16 blocks the side wall of the through hole at the upper end of the rubber plug 10, air leakage of the through hole at the upper end of the rubber plug 10 is prevented, the stability of the negative pressure of the space between the inner part of the needle cylinder 2 and the lower end of the rubber plug 10 is maintained, when the pressure in the drainage bottle 1 tends to be balanced, the rubber plug 10 is pressed downwards in the needle cylinder 2 through the handle 11, the rubber plug 10 moves downwards at the moment, the air in the needle cylinder 2 is compressed, the check valve 9 can prevent the air from downwards discharging into the drainage bottle 1, the air is compressed to a certain degree, the air pressure is greater than the tension of the tension spring 17, the air pressure can push out the rubber block 16 at the top of the sleeve 14, so that the compressed air is discharged from the middle of the sleeve 14, gaseous emission to a certain extent, atmospheric pressure reduces, the pulling force of extension spring 17 can occupy leading strength again, with the rubber block 16 under the guide of connecting rod 15, pull the port of sleeve 14 upper end again, the through-hole of plugging up rubber buffer 10 up end, the convenient operation of bleeding next time, the drainage is unobstructed, the advantage of difficult jam lumen, and can also in time clear away drainage district exudate and necrotic tissue, improve local microcirculation and promote the tissue edema to subside, amazing granulation tissue growth, wound healing with higher speed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the syringe assembly of the present invention;

FIG. 3 is a schematic view of the construction of the rubber block assembly of the present invention;

FIG. 4 is a sectional view of the connection structure of the plug and the connection pipe according to the present invention;

FIG. 5 is a schematic view of the structure of the baffle of the present invention.

In the figure: 1. a drainage bottle; 2. a needle cylinder; 3. a bottle cap; 4. a bottle stopper; 5. a drainage tube; 6. an air exhaust pipe; 7. a rubber sleeve; 8. a connecting pipe; 9. a one-way valve; 10. a rubber plug; 11. a handle; 12. a baffle plate; 13. a limiting block; 14. a sleeve; 15. a connecting rod; 16. a rubber block; 17. a tension spring; 18. a plug; 19. a vent hole; 20. a scale plate; 21. a handle; 22. an adjusting tube; 23. a valve; 24. a liquid inlet pipe.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the present invention is used to usually place, are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a simple wound negative pressure continuous sealing drainage device comprises a drainage bottle 1 and a needle cylinder 2, wherein a bottle cap 3 is packaged at the top of the drainage bottle 1, a bottle plug 4 is in threaded connection with one side of the upper end of the bottle cap 3, a drainage tube 5 is in sealed insertion connection with the middle of the bottle plug 4, an exhaust tube 6 is in sealed bonding with the other side of the upper end of the bottle cap 3, a rubber sleeve 7 is sleeved at the upper end of the exhaust tube 6, a connecting tube 8 is in insertion connection with the end of the rubber sleeve 7, a one-way valve 9 is bonded at the end of the connecting tube 8, and the lower end of the needle cylinder 2 is in insertion connection with the upper end port of the one-way valve 9;

the upper end of a drainage bottle 1 is provided with a bottle cap 3 with a bottle plug 4, a drainage tube 5 is arranged in the middle of the bottle plug 4 and is used for being matched with a wound part of a patient to perform drainage operation, an exhaust tube 6 provided with a rubber sleeve 7 is additionally arranged on the other side of the upper end of the bottle cap 3, the upper end of the rubber sleeve 7 is provided with a one-way valve 9 through a connecting tube 8, the one-way valve 9 is used for being matched with a part of the exhaust tube 6 to be sealed and connected through the rubber sleeve 7 and can be disassembled and reused, the upper end of the one-way valve 9 is provided with a needle cylinder 2 assembly, the assembly arranged in the needle cylinder 2 is used for performing air exhaust operation, air is exhausted from the middle of the drainage bottle 1, so that a certain negative pressure space is formed in the drainage bottle 1, the drainage work of the drainage bottle 1 is facilitated, and the stable drainage of the wound part of the patient is maintained;

a rubber plug 10 is movably inserted in the needle cylinder 2, the end part of the rubber plug 10 is in threaded connection with a handle 11, the upper end of the handle 11 is clamped on the inner side wall of the needle cylinder 2, a baffle 12 is clamped at the upper end of the needle cylinder 2, a through hole structure matched with the handle 11 is formed in the middle of the baffle 12, the handle 11 is inserted in a through hole in the middle of the baffle 12, a limiting block 13 is in threaded connection with the middle of the upper end of the handle 11, and the limiting block 13 is positioned above the baffle 12;

a handle 11 provided with a rubber plug 10 is additionally arranged in the needle cylinder 2, the handle 11 is pulled upwards, the handle 11 can drive the rubber plug 10 to move upwards, so that a negative pressure space is formed at the lower end of the needle cylinder 2, the one-way valve 9 is opened, the rubber sleeve 7 and the exhaust tube 6 are fed through a connecting tube 8 at the lower end of the one-way valve 9, air is exhausted from the middle of the drainage bottle 1, a certain negative pressure space is formed in the drainage bottle 1, drainage is convenient, a baffle 12 is additionally arranged at the upper end of the needle cylinder 2, the baffle 12 is used for limiting the handle 11 provided with a limiting block 13, the limiting block 13 is screwed, the position of the limiting block 13 in the middle of the handle 11 is adjusted, the limiting distance of the baffle 12 to the handle 11 can be changed, the rubber plug 10 arranged at the lower end of the handle 11 can be conveniently fixed at a certain height, and negative pressure drainage operation is carried out;

a through hole structure is formed in one side of the middle of the rubber plug 10, a sleeve 14 is packaged on the inner side of the through hole in the middle of the rubber plug 10, a connecting rod 15 is movably inserted in the sleeve 14, a rubber block 16 is connected to the upper end of the connecting rod 15 in a threaded manner, the rubber block 16 is clamped in the through hole in the upper end of the rubber plug 10, a tension spring 17 is clamped on the side wall of the bottom of the sleeve 14, and the upper end of the tension spring 17 is connected to the bottom of the connecting rod 15 through a bolt;

the inner side of the rubber plug 10 is added with a through hole structure, a sleeve 14 with a rubber block 16 assembly is arranged in the middle of the through hole, when the rubber plug 10 moves upwards and is pumped, the rubber block 16 can be pulled downwards by a connecting rod 15 under the action of the tension of a tension spring 17, so that the rubber block 16 is blocked on the side wall of the through hole at the upper end of the rubber plug 10, the air leakage of the through hole at the upper end of the rubber plug 10 is prevented, the stability of the negative pressure of the space between the inner part of the needle cylinder 2 and the lower end of the rubber plug 10 is maintained, when the pressure inside the drainage bottle 1 tends to be balanced, the rubber plug 10 is pressed downwards inside the needle cylinder 2 through a handle 11, the rubber plug 10 moves downwards at the moment, the air inside the needle cylinder 2 is compressed, the check valve 9 prevents the air from being discharged downwards into the drainage bottle 1, the air is compressed to a certain degree, the air pressure is greater than the tension of the tension spring 17, the air pressure can push out the rubber block 16 at the top of the sleeve 14, so that the compressed air is discharged from the middle of the sleeve 14, when the gas is discharged to a certain degree, the gas pressure is reduced, the tension of the tension spring 17 can occupy the dominant force again, the rubber block 16 is pulled to the upper end port of the sleeve 14 again under the guide of the connecting rod 15, and the through hole on the upper end surface of the rubber plug 10 is blocked, so that the next air extraction operation is facilitated;

a plug 18 is connected to the side edge of the connecting pipe 8 through threads, air holes 19 are formed in the inner side wall of the plug 18, anti-skid grains are distributed on the outer side wall of the plug 18 at equal intervals, and a rubber pad is bonded at the joint of the inner side wall of the plug 18 and the connecting pipe 8;

the plug 18 in threaded connection is additionally arranged on the side wall of the connecting pipe 8, the plug 18 is used for sealing the side wall of the connecting pipe 8 and screwing out the plug 18 outwards, and the vent hole 19 in the side wall of the plug 18 is exposed, so that the inside of the connecting pipe 8 is communicated with the outside through the vent hole 19, air can be introduced into the drainage bottle 1 through the connecting pipe 8, the air pressure balance in the drainage bottle 1 is maintained, the negative pressure state is changed, and the phenomenon that the negative pressure is too high and uncomfortable feeling is brought to a patient due to too fast drainage is avoided;

the side wall of the needle cylinder 2 is adhered with a scale plate 20, and the scale lines of the scale plate 20 are arranged in parallel with the upper end surface of the rubber plug 10;

a scale plate 20 is arranged on the side wall of the needle cylinder 2, and the scale plate 20 is used for observing the moving distance of the rubber plug 10, so that the quantity of gas extracted from the drainage bottle 1 by the needle cylinder 2 assembly is calculated;

the upper end of the handle 11 is in threaded connection with a handle 21, the handle 21 is positioned above the limiting block 13, and the side wall of the handle 21 is provided with anti-skid grains;

a handle 21 is added at the upper end of the handle 11, so that the handle 11 is conveniently pushed to drive the rubber plug 10 to move downwards along the inner wall of the needle cylinder 2, and air in the space between the inner part of the needle cylinder 2 and the rubber plug 10 is compressed;

the lower end face of the rubber block 16 is in a conical structure, and the side wall of a through hole at the upper end of the rubber plug 10 is provided with a conical groove structure matched with the lower end face of the rubber block 16;

the conical structure is arranged on the lower end face of the rubber block 16, so that the contact area between the rubber block 16 and the upper end face of the rubber plug 10 can be increased, the sealing capability of the rubber block 16 on the upper end face of the rubber plug 10 is increased, and the possibility of air leakage is reduced;

the end part of the drainage tube 5 is sleeved with an adjusting tube 22, the end part of the adjusting tube 22 is packaged with a valve 23, and the other end of the valve 23 is communicated with a liquid inlet tube 24;

the adjusting pipe 22 provided with the valve 23 is additionally arranged at the end part of the drainage pipe 5, the liquid inlet pipe 24 is arranged at the other end of the valve 23, when the drainage bottle 1 is full, the drainage pipe 5 can be detached from the end part of the adjusting pipe 22, the replacement of the drainage bottle 1 is convenient, the assembly of the drainage pipe 5 is butted, the drainage operation is continued, the wound of a patient does not need to be frequently touched, and the influence on the wound of the patient in the drainage process is reduced;

the side wall of the middle position of the baffle 12 is of a folding structure, the end part of the baffle 12 is provided with a matched buckle structure, and the side wall of the bottom of the baffle 12 is provided with an avoiding groove structure matched with the bulge of the end part of the needle cylinder 2;

folding structure's baffle 12 makes things convenient for the dismouting, and the 12 tip of baffle increases buckle structure, and the convenience is fixed together, and the joint is in the protruding outside of 2 tip of cylinder, maintains

baffle

12 and 2 connection structure's of cylinder stability.

When the drainage bottle is used, the bottle cap 3 with the bottle plug 4 is installed at the upper end of the drainage bottle 1, the drainage tube 5 is installed in the middle of the bottle plug 4 and is used for being matched with a wound part of a patient to conduct drainage operation, the exhaust tube 6 with the rubber sleeve 7 is additionally installed on the other side of the upper end of the bottle cap 3, the one-way valve 9 is installed at the upper end of the rubber sleeve 7 through the connecting tube 8, the one-way valve 9 is used for being matched with a part of the closed exhaust tube 6 and is connected through the rubber sleeve 7, the needle cylinder 2 component is installed at the upper end of the one-way valve 9, the component installed inside the needle cylinder 2 is used for conducting air exhaust operation, air is exhausted from the middle of the drainage bottle 1, a certain negative pressure space is formed inside the drainage bottle 1, drainage work of the drainage bottle 1 is facilitated, and stable drainage of the wound part of the patient is maintained; a handle 11 provided with a rubber plug 10 is additionally arranged in the needle cylinder 2, the handle 11 is pulled upwards, the handle 11 can drive the rubber plug 10 to move upwards, so that a negative pressure space is formed at the lower end of the needle cylinder 2, the one-way valve 9 is opened, the rubber sleeve 7 and the exhaust tube 6 are fed through a connecting tube 8 at the lower end of the one-way valve 9, air is exhausted from the middle of the drainage bottle 1, a certain negative pressure space is formed in the drainage bottle 1, drainage is convenient, a baffle 12 is additionally arranged at the upper end of the needle cylinder 2, the baffle 12 is used for limiting the handle 11 provided with a limiting block 13, the limiting block 13 is screwed, the position of the limiting block 13 in the middle of the handle 11 is adjusted, the limiting distance of the baffle 12 to the handle 11 can be changed, the rubber plug 10 arranged at the lower end of the handle 11 can be conveniently fixed at a certain height, and negative pressure drainage operation is carried out; the inner side of the rubber plug 10 is added with a through hole structure, a sleeve 14 with a rubber block 16 assembly is arranged in the middle of the through hole, when the rubber plug 10 moves upwards and is pumped, the rubber block 16 can be pulled downwards by a connecting rod 15 under the action of the tension of a tension spring 17, so that the rubber block 16 is blocked on the side wall of the through hole at the upper end of the rubber plug 10, the air leakage of the through hole at the upper end of the rubber plug 10 is prevented, the stability of the negative pressure of the space between the inner part of the needle cylinder 2 and the lower end of the rubber plug 10 is maintained, when the pressure inside the drainage bottle 1 tends to be balanced, the rubber plug 10 is pressed downwards inside the needle cylinder 2 through a handle 11, the rubber plug 10 moves downwards at the moment, the air inside the needle cylinder 2 is compressed, the check valve 9 prevents the air from being discharged downwards into the drainage bottle 1, the air is compressed to a certain degree, the air pressure is greater than the tension of the tension spring 17, the air pressure can push out the rubber block 16 at the top of the sleeve 14, so that the compressed air is discharged from the middle of the sleeve 14, when the gas is discharged to a certain degree, the gas pressure is reduced, the tension of the tension spring 17 can occupy the dominant force again, the rubber block 16 is pulled to the upper end port of the sleeve 14 again under the guide of the connecting rod 15, and the through hole on the upper end surface of the rubber plug 10 is blocked, so that the next air extraction operation is facilitated; increase threaded connection's end cap 18 at 8 lateral walls of connecting pipe, end cap 18 is used for sealing 8 lateral walls of connecting pipe, outwards screws out end cap 18, and the air vent 19 of 18 lateral walls of end cap exposes for 8 inside through air vent 19 and external intercommunication of connecting pipe, can pass through connecting pipe 8 and let in the air to 1 inside drainage bottles, maintain the atmospheric pressure balance of 1 inside drainage bottles, change the negative pressure state, avoid negative pressure too big, the too fast drainage can bring uncomfortable sensation for patient.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the present invention belongs to the common knowledge in the field, and the present invention is mainly used for protecting mechanical devices, so the present invention does not explain the control mode and the circuit connection in detail, and the peripheral controllers mentioned in the specification can play a control role for the electric elements mentioned in the text, and the peripheral controllers are conventional known equipment.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but a few objective structures due to the limited character expressions, and that those skilled in the art may make various improvements, decorations or changes without departing from the principle of the utility model or may combine the above technical features in a suitable manner; such modifications, variations, combinations, or adaptations of the utility model using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the utility model.

Claims

1. The utility model provides a simple and easy wound surface negative pressure continuously seals drainage device, includes drainage bottle (1) and cylinder (2), its characterized in that: the drainage bottle is characterized in that a bottle cap (3) is packaged at the top of the drainage bottle (1), one side of the upper end of the bottle cap (3) is in threaded connection with a bottle plug (4), a drainage tube (5) is hermetically inserted in the middle of the bottle plug (4), the other side of the upper end of the bottle cap (3) is hermetically bonded with an exhaust tube (6), a rubber sleeve (7) is sleeved at the upper end of the exhaust tube (6), a connecting tube (8) is inserted at the end part of the rubber sleeve (7), a one-way valve (9) is bonded at the end part of the connecting tube (8), and the lower end of the needle cylinder (2) is inserted at the upper end port of the one-way valve (9);

the inner part of the needle cylinder (2) is movably inserted with a rubber plug (10), the end part of the rubber plug (10) is in threaded connection with a handle (11), the upper end of the handle (11) is connected to the inner side wall of the needle cylinder (2) in a clamped mode, a baffle (12) is connected to the upper end of the needle cylinder (2) in a clamped mode, a through hole structure matched with the handle (11) is formed in the middle of the baffle (12), the handle (11) is inserted into the through hole in the middle of the baffle (12), a limiting block (13) is in threaded connection with the middle of the upper end of the handle (11), and the limiting block (13) is located above the baffle (12);

through-hole structure has been seted up to one side in the middle of rubber buffer (10), just through-hole inboard is packaged with sleeve pipe (14) in the middle of rubber buffer (10), sleeve pipe (14) inside activity is pegged graft and is had connecting rod (15), connecting rod (15) upper end threaded connection has rubber block (16), rubber block (16) joint is in rubber buffer (10) upper end through-hole department, sleeve pipe (14) bottom lateral wall joint has extension spring (17), bolted connection is passed through in connecting rod (15) bottom in extension spring (17) upper end.

2. The simple wound negative pressure continuous sealing drainage device according to claim 1, characterized in that: connecting pipe (8) side threaded connection has end cap (18), air vent (19) have been seted up to end cap (18) inside wall, equidistant cloth of end cap (18) lateral wall has anti-skidding line, just end cap (18) inside wall bonds with connecting pipe (8) junction and has the cushion.

3. The simple wound negative pressure continuous sealing drainage device according to claim 1, characterized in that: the side wall of the needle cylinder (2) is bonded with a scale plate (20), and scale lines of the scale plate (20) are parallel to the upper end face of the rubber plug (10).

4. The simple wound negative pressure continuous sealing drainage device according to claim 1, characterized in that: handle (11) upper end threaded connection has handle (21), handle (21) are located stopper (13) top, anti-skidding line has been seted up to handle (21) lateral wall.

5. The simple wound negative pressure continuous sealing drainage device according to claim 1, characterized in that: the terminal surface is the taper type structure under rubber block (16), just rubber buffer (10) upper end through-hole lateral wall seted up with rubber block (16) lower terminal surface assorted taper type groove structure.

6. The simple wound negative pressure continuous sealing drainage device according to claim 1, characterized in that: the end part of the drainage tube (5) is sleeved with an adjusting tube (22), the end part of the adjusting tube (22) is packaged with a valve (23), and the other end of the valve (23) is communicated with a liquid inlet tube (24).

7. The simple wound negative pressure continuous sealing drainage device according to claim 1, characterized in that: the side wall of the middle position of the baffle (12) is of a folding structure, the end part of the baffle (12) is provided with a matched buckle structure, and the side wall of the bottom of the baffle (12) is provided with an avoiding groove structure matched with the protrusion of the end part of the needle cylinder (2).