CN215386250U

CN215386250U - VSD negative pressure lavage drainage circulation is protected and is created device

Info

Publication number: CN215386250U
Application number: CN202120243747.5U
Authority: CN
Inventors: 林思瑶; 梁舒镇; 张映辉; 艾文; 岑卓霏
Original assignee: Foshan Fuxing Chancheng Hospital Co Ltd
Current assignee: Foshan Fuxing Chancheng Hospital Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2022-01-04
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a VSD negative pressure lavage drainage circulation wound protection device, which comprises medical PVA cotton, wherein a effusion drainage tube is embedded in the inner cavity of the medical PVA cotton, the bottom end of the effusion drainage tube penetrates through the medical PVA cotton and extends downwards, and effusion drainage holes are sequentially formed in the top of the surface of the effusion drainage tube from top to bottom. According to the utility model, through the matching of the medical PVA cotton, a user can conveniently utilize the good characteristics of the medical PVA cotton to ensure the uniform distribution of negative pressure on the wound surface, through the matching of the threaded rod, the extrusion plate, the stop block and the rotary handle, the flow and time of liquid in the effusion drainage tube and the sugar liquid conveying tube can be conveniently controlled, meanwhile, the flow speed of the effusion drainage tube is adjusted to be slightly slower than that of liquid sugar in the sugar liquid conveying tube, the continuous hypertonic perfusion of liquid sugar on the wound surface is ensured, meanwhile, the effusion drainage hole quickly absorbs the seepage on the wound surface completely through high negative pressure, and the redundant liquid sugar lavage liquid can be absorbed while the effusion drainage hole absorbs the seepage.

Description

VSD negative pressure lavage drainage circulation is protected and is created device

Technical Field

The utility model relates to the technical field of VSD negative pressure lavage and drainage circulation wound protection devices, in particular to a VSD negative pressure lavage and drainage circulation wound protection device.

Background

Fat liquefaction is one of the main reasons for poor healing of surgical wounds, particularly when the cut has more fat, the occurrence mechanism of the fat liquefaction is probably because the blood transportation of the fat is poor, after the crossed blood vessels are cut off by surgery, the blood transportation is reduced, the nutrition required by the wound in the healing process is provided by the skin layer and the fat, the blood transportation condition of the wound is poor, the nutrition requirement of fat cells cannot be met, and the fat cells lack the nutrition to cause necrosis.

Meanwhile, capillary vessels in the adipose tissues can be embolized due to the coagulation effect, so that blood supply of the hypertrophic adipose tissues with poor blood circulation is further obstructed, aseptic necrosis of the adipose tissues after operation is caused, more seepage liquid is formed, and the excessive seepage liquid cannot be removed, so that the healing of the incision is influenced; ulcers, bedsores and the like caused by various reasons greatly reduce the life quality of patients, have great infection risks, bring great harm to the bodies of users, cannot create good conditions for secondary operations, and further reduce the success rate of the operations.

VSD negative pressure drainage is protected and is created device and be used for various skin, soft tissue surface of a wound, include: the device can cause wound vacuum environment, thoroughly remove secretion and necrotic tissues in lacuna or deep part of the wound, but has only negative pressure drainage function, does not have the functions of irrigating wounds and regulating speed, and cannot simultaneously carry out continuous high-sugar solution or antibiotic irrigation on certain fat liquefaction wounds and infected wounds.

Therefore, it is desirable to design a VSD negative pressure lavage drainage circulation wound protection device to solve the above problems.

Disclosure of Invention

The utility model aims to provide a VSD negative pressure lavage drainage circulation wound protection device, which solves the problem that the traditional VSD negative pressure drainage wound protection device proposed in the background technology cannot simultaneously carry out continuous high-sugar solution or antibiotic lavage.

In order to achieve the purpose, the utility model provides the following technical scheme: VSD negative pressure lavage drainage circulation is protected and is created device, it is cotton including medical PVA, the cotton inner chamber of medical PVA inlays and is equipped with the hydrops drainage tube, the bottom of hydrops drainage tube runs through medical PVA cotton and downwardly extending, hydrops drainage hole has all been seted up extremely down on the top on hydrops drainage tube surface in proper order, hydrops drainage hole is located the cotton inner chamber of medical PVA, the cotton surface winding of medical PVA has the sugar liquid conveyer pipe, sugar liquid water conservancy diversion hole has all been seted up in the outside at sugar liquid conveyer pipe surface top, hydrops drainage tube and sugar liquid conveyer pipe are kept away from the cotton one end of medical PVA and all are overlapped and are equipped with the control box, the inner chamber of control box is provided with adjustment mechanism.

Preferably, adjustment mechanism includes threaded rod, stripper plate, dog and swing handle, the right side of control box is inlayed and is equipped with the thread bush, and the inner chamber threaded connection of thread bush has the threaded rod, the right side bolt of threaded rod has the swing handle, the left side of threaded rod runs through the thread bush and has the bearing with the swivelling joint, and the outer lane of bearing inlays and is equipped with the stripper plate, the left side of stripper plate respectively with the right side swing joint of hydrops drainage tube and sugar liquid conveyer pipe, the left side bolt of control box inner chamber bottom has the dog, the left side of dog and the left side fixed connection of control box inner chamber, the right side of dog respectively with the left side swing joint of hydrops drainage tube and sugar liquid conveyer pipe.

Preferably, the medical PVA cotton is cylindrical in shape, and the stop block is semicircular in shape.

Preferably, the inner cavity of the sugar liquid conveying pipe is filled with liquid sugar, the concentration range of the liquid sugar is 50-70%, and the front end of the sugar liquid conveying pipe is spiral.

Preferably, the front and the back on dog right side all are from last to all fixedly connected with gag lever post down in proper order, the right side of gag lever post run through the stripper plate and with the right side fixed connection of control box inner chamber.

Preferably, the left side of the extrusion plate is bonded with a protection pad, the left side of the protection pad is respectively movably connected with the right sides of the effusion drainage tube and the sugar liquid conveying pipe, and the outer side of the left side of the protection pad is provided with a through hole matched with the limiting rod for use.

Preferably, flow sensors are embedded in the surfaces of the effusion drainage tube and the sugar liquid conveying pipe, and the left sides of the flow sensors respectively penetrate through the inner cavities of the effusion drainage tube and the sugar liquid conveying pipe.

Preferably, the surface of the rotating handle is provided with anti-skid grains, the surfaces of the accumulated liquid drainage tube and the sugar liquid conveying pipe are both sleeved with fixing pieces, the right side of each fixing piece is connected with an alarm in a bolted mode, and the fixing pieces are located on one side, opposite to the flow sensor and the control box, of the control box.

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

1. the VSD negative pressure lavage drainage circulation wound protection device ensures the uniform distribution of negative pressure on the wound surface by the cooperation of the medical PVA cotton, and by the cooperation of the sugar liquid delivery pipe and the sugar liquid diversion hole, 50-70% of liquid sugar is delivered to the surface of the wound surface by the sugar liquid delivery pipe and is applied to the infected wound surface, so that the infection can be rapidly controlled, pus and necrotic tissues can be thoroughly removed, the growth of granulation tissues and the creeping growth of epithelial cells are promoted, meanwhile, the VSD negative pressure lavage drainage circulation wound protection device is used on a larger wound surface, so that the infection can be rapidly controlled, the wound surface is reduced, conditions are created for the secondary operation, the flow and time of liquid in the hydrops drainage pipe and the sugar liquid delivery pipe can be conveniently controlled by the cooperation of the threaded rod, the extrusion plate, the stop block and the rotary handle, and the flow rate of the hydrops drainage pipe is adjusted to be slightly slower than that of the liquid sugar in the sugar liquid delivery pipe, guarantee that the wound surface has liquid sugar hypertonic infusion continuously, hydrops drainage hole passes through high negative pressure simultaneously, it is clean to absorb the sepage on surface of the wound fast, and convey the sepage to the outside, can absorb unnecessary liquid sugar lavage liquid when the hydrops drainage hole is to the sepage absorption, thereby realize that the developments of the surface of a wound pouring are bad, further control and absorption surface of a wound sepage and prevention bacterium invasion and bacteriostasis, the problem that traditional VSD negative pressure drainage wound care device can't carry out continuous high sugar solution or antibiotic lavage simultaneously has been solved.

2. The VSD negative pressure lavage drainage circulation wound protection device is cylindrical through the shape of the medical PVA cotton, so that a user can better absorb the seepage in the wound surface, the use effect of the device is improved, the baffle block is more matched with the inner shape of the control box through the shape of the baffle block, the baffle block can better block the liquid sugar conveying pipe, infection can be rapidly controlled through the matching of liquid sugar, meanwhile, pus and necrotic tissues can be thoroughly eliminated, the growth of granulation tissues and the crawling growth of epithelial cells are promoted, the front end of the liquid sugar conveying pipe is spiral, the shape of the liquid sugar conveying pipe is more matched with that of the medical PVA cotton, meanwhile, the distribution of liquid sugar guide holes can be more comprehensive, the penetration range of the liquid sugar is further expanded, the infection prevention effect of the device is improved, through the matching of the limiting rod, the user can conveniently slide and limit the extrusion plate, and can be prevented from inclining when the extrusion plate moves, the stability of the extrusion plate is improved.

3. This VSD negative pressure lavage drainage circulation is protected and is created device and pass through the cooperation of protection pad, avoid the left side direct contact hydrops drainage tube and the sugar liquid conveyer pipe of stripper plate, thereby carry out quick wearing and tearing to hydrops drainage tube and sugar liquid conveyer pipe, the life of hydrops drainage tube and sugar liquid conveyer pipe has been improved, cooperation through flow sensor, convenient to use person monitors the flow and the velocity of flow of liquid in hydrops drainage tube and the sugar liquid conveyer pipe, so that the user can be better control the flow and the time of liquid, cooperation through anti-skidding line, the frictional force between user's hand and the spiral handle has been increased, cooperation through mounting and siren, be convenient for warn the user, remind the flow and the velocity of flow too big or undersize in user's hydrops drainage tube and the sugar liquid conveyer pipe, need timely control.

Drawings

FIG. 1 is a front view of the VSD negative pressure lavage drainage circulation wound protection device of the utility model;

FIG. 2 is a structural sectional view of the medical PVA cotton of the present invention;

FIG. 3 is a structural cross-sectional view of the control box of the present invention;

FIG. 4 is a front view of the structure of the stop and stop bar of the present invention;

fig. 5 is a perspective view showing the structure of the protection pad and the compression plate according to the present invention.

In the figure: 1. medical PVA cotton; 2. hydrops drainage tubes; 3. hydrops drainage holes; 4. a sugar liquid delivery pipe; 5. a sugar liquid diversion hole; 6. a flow sensor; 7. a control box; 8. a limiting rod; 9. an adjustment mechanism; 91. a threaded rod; 92. a pressing plate; 93. a stopper; 94. turning a handle; 10. a protection pad; 11. a fixing member; 12. an alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown:

VSD negative pressure lavage drainage circulation wound-protecting device, including medical PVA cotton 1, the inner chamber of medical PVA cotton 1 is inlayed and is equipped with hydrops drainage tube 2, the bottom of hydrops drainage tube 2 runs through medical PVA cotton 1 and downwardly extending, hydrops drainage hole 3 has all been seted up from last to all in proper order in the top on hydrops drainage tube 2 surface, hydrops drainage hole 3 is located the inner chamber of medical PVA cotton 1, the surface of medical PVA cotton 1 twines sugar liquid conveyer pipe 4, the outside at the top of sugar liquid conveyer pipe 4 surface all is seted up sugar liquid water conservancy diversion hole 5, hydrops drainage tube 2 and sugar liquid conveyer pipe 4 keep away from one end of medical PVA cotton 1 and all overlap and are equipped with control box 7, the inner chamber of control box 7 is provided with adjustment mechanism 9, through the cooperation of medical PVA cotton 1, the user of being convenient for utilizes the good characteristic of medical PVA cotton 1 to ensure the evenly distributed of negative pressure at the surface of a wound, through the cooperation of sugar liquid conveyer pipe 4 and sugar liquid water conservancy diversion hole 5, 50-70% of liquid sugar is conveyed to the surface of a wound by the liquid sugar conveying pipe 4 and is applied to the infected wound, so that the infection can be quickly controlled, pus and necrotic tissues can be thoroughly removed, the growth of granulation tissues and the creeping growth of epithelial cells are promoted, the liquid sugar conveying pipe is applied to a larger wound, the infection can be quickly controlled, the wound is reduced, conditions are created for the second-stage operation, the flow and the time of liquid in the effusion drainage pipe 2 and the liquid sugar conveying pipe 4 are conveniently controlled through the matching of the threaded rod 91, the extrusion plate 92, the stop block 93 and the rotary handle 94, the flow speed of the effusion drainage pipe 2 is adjusted to be slightly slower than that of the liquid sugar in the liquid sugar conveying pipe 4, the continuous high-permeability perfusion of the liquid sugar on the surface of the wound is ensured, meanwhile, the effusion drainage hole 3 quickly absorbs the seepage liquid on the surface of the wound through high negative pressure, the seepage liquid sugar is conveyed to the outside, and the redundant liquid sugar lavage liquid is absorbed by the effusion drainage hole 3, thereby realize the dynamic circulation of the surface of a wound perfusion, further control and absorb the surface of a wound exudate and prevent the invasion of bacteria and bacteriostasis, and solve the problem that the traditional VSD negative pressure drainage wound protection device can not carry out continuous high-sugar solution or antibiotic lavage at the same time.

The adjusting mechanism 9 comprises a threaded rod 91, an extrusion plate 92, a stop block 93 and a rotating handle 94, a threaded sleeve is embedded on the right side of the control box 7, the threaded rod 91 is in threaded connection with the inner cavity of the threaded sleeve, the rotating handle 94 is bolted on the right side of the threaded rod 91, the left side of the threaded rod 91 penetrates through the threaded sleeve and is rotatably connected with a bearing, the extrusion plate 92 is embedded on the outer ring of the bearing, the left side of the extrusion plate 92 is movably connected with the right sides of the effusion drainage tube 2 and the sugar liquid conveying pipe 4 respectively, the stop block 93 is bolted on the left side of the bottom of the inner cavity of the control box 7, the left side of the stop block 93 is fixedly connected with the left side of the inner cavity of the control box 7, the right side of the stop block 93 is movably connected with the left sides of the effusion drainage tube 2 and the sugar liquid conveying pipe 4 and the sugar liquid diversion hole 5 respectively, 50% -70% of liquid sugar conveyed to the surface of the wound surface by the sugar conveying pipe 4 to be applied to the infected wound surface, and the infection can be rapidly controlled, simultaneously can thoroughly remove pus and necrotic tissues, promote the growth of granulation tissues and the crawling growth of epithelial cells, meanwhile, the dressing is applied to a larger wound surface, can quickly control infection, reduce the wound surface, create conditions for the second-stage operation, the flow and time of the liquid in the effusion drainage tube 2 and the sugar liquid delivery pipe 4 can be conveniently controlled through the matching of the threaded rod 91, the extrusion plate 92, the stop block 93 and the rotary handle 94, meanwhile, the flow speed of the effusion drainage tube 2 is adjusted to be slightly slower than that of the liquid sugar in the sugar liquid conveying pipe 4, so that the continuous hypertonic perfusion of the liquid sugar on the surface of the wound is ensured, meanwhile, the effusion drainage holes 3 quickly absorb and clean the seepage on the surface of the wound surface through high negative pressure and transmit the seepage to the outside, the residual liquid sugar lavage liquid can be absorbed when the effusion drainage holes 3 absorb the effusion, thereby realizing dynamic circulation of wound perfusion, further controlling and absorbing wound seepage and preventing bacteria invasion and bacteriostasis.

The shape of medical PVA cotton 1 is cylindric, and the shape of dog 93 is semi-circular, and the shape through medical PVA cotton 1 is cylindric, and convenient to use person carries out better absorption to the sepage in the surface of a wound, has improved the result of use of device, and the shape through dog 93 is semi-circular, makes the inside shape of dog 93 and control box 7 agree with more, makes its can be better block sugar liquid conveyer pipe 4.

The inner cavity of the sugar liquid conveying pipe 4 is filled with liquid sugar, the concentration range of the liquid sugar is between 50% and 70%, the front end of the sugar liquid conveying pipe 4 is spiral, infection can be rapidly controlled through the cooperation of the liquid sugar, pus and necrotic tissues can be thoroughly removed at the same time, the growth of granulation tissues and the growth of epithelial cells in a crawling manner are promoted, the front end of the sugar liquid conveying pipe 4 is spiral, the front end of the sugar liquid conveying pipe is matched with the shape of the medical PVA cotton 1, meanwhile, the distribution of the sugar liquid flow guide holes 5 can be more comprehensive, the penetration range of the liquid sugar is further expanded, and the infection prevention effect of the device is improved.

The front and the back on dog 93 right side are from last to all fixedly connected with gag lever post 8 down in proper order, and the right side of gag lever post 8 run through stripper plate 92 and with the right side fixed connection of control box 7 inner chamber, through gag lever post 8's cooperation, convenient to use person slides spacingly to stripper plate 92, prevents that stripper plate 92 from inclining when removing, has improved stripper plate 92's stability.

There is protection pad 10 left side bonding of stripper plate 92, the left side of protection pad 10 respectively with hydrops drainage tube 2 and sugar liquid conveyer pipe 4's right side swing joint, the through-hole that cooperation gag lever post 8 used is all seted up in the left outside of protection pad 10, through the cooperation of protection pad 10, avoid stripper plate 92's left side direct contact hydrops drainage tube 2 and sugar liquid conveyer pipe 4, thereby carry out quick wearing and tearing to hydrops drainage tube 2 and sugar liquid conveyer pipe 4, the life of hydrops drainage tube 2 and sugar liquid conveyer pipe 4 has been improved.

Flow sensor 6 is all inlayed on hydrops drainage tube 2 and sugar liquid conveyer pipe 4's surface, and flow sensor 6's left side runs through the inner chamber to hydrops drainage tube 2 and sugar liquid conveyer pipe 4 respectively, and through flow sensor 6's cooperation, the person of being convenient for monitors the flow and the velocity of flow of liquid in sugar liquid conveyer pipe 4 to the user can be better control the flow and the time of liquid.

Anti-skidding line has been seted up on the surface of turning handle 94, the surface of hydrops drainage tube 2 and sugar liquid conveyer pipe 4 is all overlapped and is equipped with mounting 11, the right side bolt of mounting 11 has siren 12, mounting 11 is located flow sensor 6 and control box 7 one side in opposite directions, cooperation through anti-skidding line, the frictional force between user's hand and the turning handle 94 has been increased, cooperation through mounting 11 and siren 12, be convenient for warn the user, remind the too big or undersize of flow and the velocity of flow in user's hydrops drainage tube 2 and the sugar liquid conveyer pipe 4, need timely control.

The working principle is as follows: when in use, the medical PVA cotton 1 has excellent biocompatibility, no toxicity and harmlessness to tissues, good mechanical property, good elasticity and soft and porous whole body, can well control and absorb wound surface seepage and prevent bacteria from invading and inhibiting bacteria, and has excellent water permeability, filtration and air permeability, thereby ensuring the uniform distribution of negative pressure on the wound surface, simultaneously the effusion drainage tube 2 and the effusion drainage hole 3 can quickly absorb the seepage on the surface of the wound surface completely through high negative pressure and transmit the seepage to the outside, and simultaneously a user can transmit 50 to 70 percent of liquid sugar to the surface of the wound surface through the sugar liquid transmission tube 4 to apply on an infected wound surface, thereby quickly controlling infection, thoroughly eliminating pus and necrotic tissues, promoting the growth of granulation tissues and the growth of epithelial cells, and simultaneously applying the medical PVA cotton on a larger wound surface, can quickly control infection, reduce the wound surface, create conditions for the second-stage operation, if the flow and time of liquid sugar need to be controlled, a user rotates the rotary handle 94 at the same time to drive the threaded rod 91 to rotate, then the threaded rod 91 rotates and moves to the left in the threaded sleeve, meanwhile the threaded rod 91 drives the extrusion plate 92 to move to the left under the assistance of a bearing, then the extrusion plate 92 extrudes the effusion drainage tube 2 and the sugar liquid conveying pipe 4, thereby controlling the flow and time of the liquid in the effusion drainage tube 2 and the sugar liquid conveying pipe 4, simultaneously adjusting the flow rate of the effusion drainage tube 2 to be slightly slower than the flow rate of the liquid sugar in the sugar liquid conveying pipe 4, ensuring that the wound surface is continuously perfused with the liquid sugar, absorbing the redundant liquid sugar lavage liquid while the effusion drainage holes 3 absorb the exudate, thereby realizing the dynamic circulation of the wound surface perfusion, further controlling and absorbing the seepage of the wound surface and preventing the invasion of bacteria and bacteriostasis.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

VSD negative pressure lavage drainage circulation is protected and is created device, including medical PVA cotton (1), its characterized in that: the inner chamber of medical PVA cotton (1) inlays and is equipped with hydrops drainage tube (2), the bottom of hydrops drainage tube (2) runs through medical PVA cotton (1) and downwardly extending, hydrops drainage tube (2) surperficial top has been from last to all seted up hydrops drainage hole (3) down in proper order, hydrops drainage hole (3) are located the inner chamber of medical PVA cotton (1), the surface winding of medical PVA cotton (1) has sugar liquid conveyer pipe (4), sugar liquid water conservancy diversion hole (5) have all been seted up in the outside at sugar liquid conveyer pipe (4) surface top, the one end that medical PVA cotton (1) was kept away from in hydrops drainage tube (2) and sugar liquid conveyer pipe (4) all overlaps and is equipped with control box (7), the inner chamber of control box (7) is provided with adjustment mechanism (9).
2. The VSD negative pressure lavage drainage cycle wound protection device of claim 1, wherein: the adjusting mechanism (9) comprises a threaded rod (91), an extrusion plate (92), a stop block (93) and a rotary handle (94), a threaded sleeve is embedded on the right side of the control box (7), and the inner cavity of the threaded sleeve is connected with a threaded rod (91) in a threaded manner, the right side of the threaded rod (91) is bolted with a rotating handle (94), the left side of the threaded rod (91) penetrates through the threaded sleeve and is rotatably connected with a bearing, and the outer ring of the bearing is embedded with an extrusion plate (92), the left side of the extrusion plate (92) is respectively and movably connected with the right sides of the effusion drainage tube (2) and the sugar liquid conveying pipe (4), a stop block (93) is bolted on the left side of the bottom of the inner cavity of the control box (7), the left side of the stop block (93) is fixedly connected with the left side of the inner cavity of the control box (7), the right side of the stop block (93) is respectively and movably connected with the left sides of the effusion drainage tube (2) and the sugar liquid conveying pipe (4).
3. The VSD negative pressure lavage drainage cycle wound protection device of claim 2, characterized in that: the medical PVA cotton (1) is cylindrical, and the stop block (93) is semicircular.
4. The VSD negative pressure lavage drainage cycle wound protection device of claim 1, wherein: the inner cavity of the sugar liquid conveying pipe (4) is filled with liquid sugar, the concentration range of the liquid sugar is 50-70%, and the front end of the sugar liquid conveying pipe (4) is spiral.
5. The VSD negative pressure lavage drainage cycle wound protection device of claim 2, characterized in that: the front and the back on dog (93) right side are from last to all fixedly connected with gag lever post (8) down in proper order, the right side of gag lever post (8) run through stripper plate (92) and with the right side fixed connection of control box (7) inner chamber.
6. The VSD negative pressure lavage drainage cycle wound protection device of claim 2, characterized in that: protection pad (10) are bonded on the left side of the extrusion plate (92), the left side of the protection pad (10) is movably connected with the right sides of the effusion drainage tube (2) and the sugar liquid conveying pipe (4) respectively, and through holes used by the matched limiting rods (8) are formed in the left outer side of the protection pad (10).
7. The VSD negative pressure lavage drainage cycle wound protection device of claim 1, wherein: flow sensors (6) are embedded in the surfaces of the effusion drainage tube (2) and the sugar liquid conveying pipe (4), and the left sides of the flow sensors (6) penetrate through the inner cavities of the effusion drainage tube (2) and the sugar liquid conveying pipe (4) respectively.
8. The VSD negative pressure lavage drainage cycle wound protection device of claim 2, characterized in that: anti-skidding line has been seted up on the surface of twist grip (94), the surface of hydrops drainage tube (2) and sugar liquid conveyer pipe (4) all is equipped with mounting (11), the right side bolt of mounting (11) has connect siren (12), mounting (11) are located flow sensor (6) and control box (7) one side in opposite directions.