CN111760111A

CN111760111A - Liquid spraying negative pressure suction device for debridement

Info

Publication number: CN111760111A
Application number: CN202010652777.1A
Authority: CN
Inventors: 高明
Original assignee: Second Affiliated Hospital of Anhui Medical University
Current assignee: Second Affiliated Hospital of Anhui Medical University
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-10-13

Abstract

The invention discloses a liquid spraying negative pressure suction device for debridement, which comprises a handle, wherein an inner cavity of the handle is divided into a cleaning liquid cavity and a sewage cavity by a partition plate, and a section of a rotating rod extending into the cleaning liquid cavity is fixedly provided with a stirring blade; the spray plate is movably arranged on the inner guide rail, the bottom of the spray plate is communicated with a plurality of spray heads, the top of the spray plate is communicated with a joint, a third circular ring bearing is arranged in the joint, and a hard liquid inlet pipe is movably arranged in the third circular ring bearing; the bottom of the debridement cup is fixedly provided with a rubber sealing ring, a plurality of suction ports are formed in the rubber sealing ring, and a section of the transmission rod extending into the inner part of the connecting pipe is fixedly provided with a crushing knife. The invention provides a liquid spraying negative pressure suction device for debridement, which is more thorough in spraying and cleaning, free of dead angles, internally provided with a crushing knife to shear foreign matters, capable of avoiding pipeline blockage, capable of automatically mixing composite liquid medicine, simple in structure and very worthy of popularization.

Description

Liquid spraying negative pressure suction device for debridement

Technical Field

The invention relates to the technical field of medical equipment, in particular to a liquid spraying negative pressure suction device for debridement.

Background

In the prior art, the trauma debridement treatment bag with the application number of '201510370360.5' comprises a negative pressure generating device, a liquid collecting bottle, drainage tubes, a liquid medicine bag/bottle, a sponge and a biological permeability pad pasting, wherein the sponge is connected with three drainage tubes which are respectively a medicine feeding pipeline and two negative pressure suction pipelines, one end of the medicine feeding pipeline is connected with the sponge, and the other end of the medicine feeding pipeline is connected with the liquid medicine bag/bottle; one ends of the two negative pressure suction pipelines are connected with the sponge, and the other ends of the two negative pressure suction pipelines are connected with the liquid collecting bottle after being collected through the Y-shaped joint; a drainage tube bayonet is arranged on the administration pipeline, and the negative pressure generating device is connected with the liquid collecting bottle; the drainage tube between the sponge and the liquid collecting bottle is provided with a filter disc with sharp spines, the trauma debridement treatment bag combines the healing theory of various wound surfaces, adopts the combination of Chinese herbal compound phellodendron bark liquid treatment and physical treatment, and has universal treatment effect on various wounds; the equipment has small volume and convenient carrying, and is particularly suitable for field treatment; can conveniently realize the flow regulation of the treatment liquid and improve the treatment effect.

However, the method still has the obvious defects in the using process: 1. the treatment liquid in the device is pasted on the wound through the sponge, the impact pressure is small, only the surface layer of the wound can be cleaned, the dirt in the deep layer of the wound cannot be thoroughly cleaned, and the wound infection is easily caused; 2. when the used liquid medicine is sucked during debridement, the liquid medicine contains removed foreign matters, inactivated tissues and the like, so that a suction pipeline is easily blocked, the liquid cannot be sucked and discharged in time, the debridement efficiency is delayed by manual shutdown treatment, and the use is inconvenient; 3. the liquid medicine in the device is directly placed in the liquid medicine bag/bottle, but for some compound liquid medicines needing proportioning, such as medicine powder, medicines and the like, the device lacks a necessary mixing and stirring device, and medical staff needs to prepare tools additionally for proportioning the liquid medicine, so that the tools are complicated, the cleaning load is increased, and the efficiency is influenced.

Disclosure of Invention

The invention aims to provide a liquid spraying negative pressure suction device for debridement, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a negative pressure suction device for spraying liquid for debridement comprises a handle, wherein a partition plate is fixedly arranged in an inner cavity of the handle, the partition plate divides the inner cavity of the handle into a cleaning liquid cavity and a sewage cavity, a rotating rod penetrates through the top wall of the cleaning liquid cavity, the rotating rod is fixed at the output end of a rotating motor, and a section of the rotating rod extending into the cleaning liquid cavity is fixedly provided with stirring blades;

the rotating rod is fixedly provided with a driving wheel in a penetrating manner, the driving wheel is arranged in a first driving belt, a first driven wheel is arranged in the first driving belt, a transmission rod is fixedly arranged at the center of the first driven wheel in a penetrating manner, the top end of the transmission rod is fixed at the center of a second driven wheel, the second driven wheel is arranged in a second driving belt, a third driven wheel is arranged in the second driving belt, an extension rod is fixedly arranged at the bottom of the third driven wheel, the extension rod is provided with two extension rods which are symmetrical by taking the center of the third driven wheel as the midpoint, the bottom of the extension rod is fixed on a spray plate, the extension rod extends to a debridement cup through a slot, the slot is opened on the top wall of the debridement cup, an inner guide rail is fixedly arranged on the inner wall of the debridement cup, the spray plate is movably arranged on the inner guide rail, and the bottom of the spray plate is communicated with a plurality of spray heads, the top of the spray plate is communicated with a joint, a third circular bearing is arranged in the joint, a hard liquid inlet pipe is movably arranged in the third circular bearing, a second circular bearing is fixedly arranged on the outer side of the hard liquid inlet pipe, the second circular bearing is embedded in a third driven wheel, the hard liquid inlet pipe is communicated with a cleaning liquid cavity, and a water pump is arranged on the hard liquid inlet pipe;

the bottom of debridement cup is fixed and is provided with rubber seal, a plurality of suction ports have been seted up on the rubber seal, the suction port communicates in the annular attracts the pipe, the annular attracts the pipe to communicate in the connecting pipe, the connecting pipe communicates in the sewage chamber, one section that the transfer line extends to the connecting pipe inside is fixed and is provided with crushing sword, the fixed spacer that is provided with in the sewage chamber, be provided with miniature negative pressure generator and attract the pipe in the spacer, miniature negative pressure generator sets up on attracting the pipe, attract the both ends of pipe to communicate sewage chamber and external world respectively.

Preferably, a liquid filling port is formed in the cleaning liquid cavity, and a matched blocking piece is arranged in the liquid filling port.

Preferably, the bottom of the sewage cavity is communicated with a sewage discharge pipe, and a sewage discharge valve is arranged on the sewage discharge pipe.

Preferably, a first circular ring bearing is fixedly arranged on the top wall of the inner cavity of the cleaning liquid cavity, and the rotating rod is movably arranged in the first circular ring bearing.

Preferably, the plurality of shower heads are inclined at different angles, respectively.

Preferably, a fourth circular bearing is fixedly arranged on the outer wall of the connecting pipe, the transmission rod is movably arranged in the fourth circular bearing in a penetrating mode, and a sealing gasket is arranged at the position of the connection position in the transmission rod and the connecting pipe and used for guaranteeing the air tightness in the connecting pipe.

Preferably, be provided with electric control valve on the stereoplasm feed liquor pipe, the upper surface of handle is provided with three bearing frame, the bearing frame sets up in the cage, the cage is fixed in on the handle, the activity is provided with the pivot in the bearing frame, the intermediate position the fixed drive wheel that is provided with in the pivot, both sides fixed run through in the pivot and be provided with the side wheel, the side wheel extends to the outside of cage and fixedly is provided with wireless adjust knob of electric control valve and the wireless adjust knob of miniature negative pressure generator on the side wheel respectively, the wireless adjust knob of electric control valve and electric control valve signal connection, the wireless adjust knob of miniature negative pressure generator and miniature negative pressure generator signal connection.

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

1. the device sprays the liquid medicine through the spray plate and the spray head to wash the wound of a patient, has higher pressure, can effectively remove dirt in the deep layer of the wound surface, and avoids wound infection;

2. the spray plate in the device can rotate, and the spray heads are obliquely arranged at different angles respectively, so that the spray heads can carry out all-around washing on the wound when the spray plate rotates for one circle;

3. the crushing knife is arranged in the connecting pipe, so that the removed foreign matters, inactivated tissues and the like can be cut and crushed, the pipeline is prevented from being blocked, and the smoothness of negative pressure suction is further ensured;

4. the device is provided with the rotating rod and the stirring blade in the cleaning liquid cavity, so that liquid medicine can be stirred and mixed, the device is particularly suitable for compound liquid medicine of medicine powder, medicament and the like needing to be proportioned, automatic stirring is more convenient, an additional liquid medicine mixing device is not needed, and equipment is simplified;

5. the wireless adjusting knob of the electric control valve in the device controls the opening and closing degree of the electric control valve, namely the flow of the liquid medicine, and is adaptive to the power of the micro negative pressure generator controlled by the wireless adjusting knob of the micro negative pressure generator, so that the automatic matching of the electric control valve and the micro negative pressure generator is realized, the reasonable configuration of spraying liquid medicine and negative pressure suction liquid medicine is ensured, and the device is more stable;

6. the power structure of the device is simplified, the operations of the spraying plate rotation, the crushing knife shearing, the liquid medicine mixing and the like are all driven by the same rotating motor, so that the whole device is lower in cost, less in power consumption during use, lower in maintenance cost and convenient to popularize and use.

The invention provides a liquid spraying negative pressure suction device for debridement, which is more thorough in spraying and cleaning, free of dead angles, internally provided with a crushing knife to shear foreign matters, capable of avoiding pipeline blockage, capable of automatically mixing composite liquid medicine, simple and efficient in structure and very worthy of popularization.

Drawings

FIG. 1 is a schematic front sectional view of the overall structure of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the invention at B in FIG. 1;

FIG. 4 is a schematic top view of the third driven wheel, the extension rod and the rigid liquid inlet pipe according to the present invention;

fig. 5 is a bottom view of the rubber seal structure of the present invention.

In the figure: 1 handle, 2 baffle plates, 3 cleaning liquid cavity, 301 liquid filling opening, 302 plugging piece, 4 sewage cavity, 401 sewage pipe, 402 sewage valve, 5 first circular ring bearing, 6 rotating rod, 7 rotating motor, 8 stirring blade, 9 driving wheel, 10 first driving belt, 11 first driven wheel, 12 driving rod, 13 second driven wheel, 14 second driving belt, 15 third driven wheel, 151 second circular ring bearing, 16 extending rod, 17 spray plate, 18 debridement cup, 19 internal guide rail, 20 slot, 21 spray head, 22 joint, 221 third circular ring bearing, 23 hard liquid inlet pipe, 24 water pump, 25 rubber sealing ring, 26 suction opening, 27 annular suction pipe, 28 connecting pipe, 29 crushing knife, 30 fourth circular ring bearing, 31 isolating block, 32 miniature negative pressure generator, 33 suction pipe, 34 electric control valve, 35 bearing seat, 36 isolating cover, 37 rotating shaft, 38 driving wheel, 39 side edge wheel, 40 wireless adjusting knobs of the electrically controlled valve and 41 wireless adjusting knobs of the miniature negative pressure generator.

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, the present invention provides a technical solution:

the utility model provides a hydrojet negative pressure suction device for debridement, including handle 1, the fixed baffle 2 that is provided with in the inner chamber of handle 1, baffle 2 falls into cleaning solution chamber 3 and sewage chamber 4 with the inner chamber of handle 1, be used for depositing clean liquid medicine and the liquid medicine after using respectively, it is provided with rotary rod 6 to run through on the roof of cleaning solution chamber 3, rotary rod 6 is fixed in rotating electrical machines 7's output, rotary rod 6 extends to one section fixed stirring vane 8 that is provided with in cleaning solution chamber 3, stirring vane 8 is used for stirring the mixture to the liquid medicine in cleaning solution chamber 3, be particularly useful for needing ratio powder, the compound liquid medicine of medicament etc., automatic stirring is more convenient, also need not extra liquid medicine mixing arrangement, equipment retrencies, and is more convenient to use.

A driving wheel 9 is fixedly arranged on the rotating rod 6 in a penetrating manner, the driving wheel 9 is arranged in a first transmission belt 10, a first driven wheel 11 is arranged in the first transmission belt 10, a transmission rod 12 is fixedly arranged at the center of the first driven wheel 11 in a penetrating manner, the top end of the transmission rod 12 is fixed at the center of a second driven wheel 13, the second driven wheel 13 is arranged in a second transmission belt 14, a third driven wheel 15 is arranged in the second transmission belt 14, an extension rod 16 is fixedly arranged at the bottom of the third driven wheel 15, two extension rods 16 are symmetrical by taking the center of the third driven wheel 15 as the midpoint, the bottom of the extension rod 16 is fixed on a spraying plate 17, the extension rod 16 extends into a debridement cup 18 through a slot 20, the slot 20 is opened on the top wall of the debridement cup 18, an inner guide rail 19 is fixedly arranged on the inner wall of the debridement cup 18, the spraying plate 17 is movably arranged on the inner guide rail 19, and the spraying plate 17 can rotate on, the bottom of the spray plate 17 is communicated with a plurality of spray heads 21, the liquid medicine sprayed out of the spray heads 21 is finally used for cleaning wounds of patients, the top of the spray plate 17 is communicated with a connector 22, a third circular bearing 221 is arranged in the connector 22, a hard liquid inlet pipe 23 is movably arranged in the third circular bearing 221, a second circular bearing 151 is fixedly arranged on the outer side of the hard liquid inlet pipe 23, the second circular bearing 151 is embedded in a third driven wheel 15, the hard liquid inlet pipe 23 is communicated with the cleaning liquid cavity 3, and a water pump 24 is arranged on the hard liquid inlet pipe 23.

The bottom of the debridement cup 18 is fixedly provided with a rubber sealing ring 25, the rubber sealing ring 25 is tightly attached to the skin around the wound of a patient when in use, the rubber sealing ring 25 is provided with a plurality of suction ports 26, the suction ports 26 are communicated with an annular suction tube 27, the annular suction tube 27 is communicated with a connecting tube 28, the connecting tube 28 is communicated with the sewage chamber 4, one section of the transmission rod 12 extending into the connecting tube 28 is fixedly provided with a crushing knife 29 for shearing and removing foreign matters, inactivated tissues and the like to avoid the blockage inside of the connecting tube 28, a separation block 31 is fixedly arranged in the sewage chamber 4, a micro negative pressure generator 32 and a suction tube 33 are arranged in the separation block 31, the micro negative pressure generator 32 is arranged on the suction tube 33, and two ends of the suction tube 33 are respectively communicated with the sewage chamber 4 and.

Preferably, the cleaning solution cavity 3 is provided with a liquid feeding port 301, the liquid feeding port 301 is internally provided with a matched blocking piece 302, the blocking piece 302 can be opened, then clean liquid medicine is added into the cleaning solution cavity 3 through the liquid feeding port 301, and the blocking piece 302 is reversely installed after the liquid medicine is added.

Preferably, a drain pipe 401 is communicated with the bottom of the sewage chamber 4, a drain valve 402 is arranged on the drain pipe 401, the drain valve 402 can be opened, and then the used liquid medicine in the sewage chamber 4 is discharged through the drain pipe 401.

Preferably, a first circular bearing 5 is fixedly arranged on the top wall of the inner cavity of the cleaning solution cavity 3, the rotating rod 6 is movably arranged in the first circular bearing 5, the rotating rod can rotate in the first circular bearing 5, and the first circular bearing 5 plays a role of movable support.

Preferably, the plurality of spray headers 21 are respectively arranged in an inclined manner at different angles, and the spray headers 21 rotate along with the rotation of the spray plate 17, so that a spray blind area does not exist, and the debridement is more thorough.

Preferably, a fourth annular bearing 30 is fixedly disposed on an outer wall of the connecting pipe 28, the transmission rod 12 is movably disposed in the fourth annular bearing 30, the transmission rod 12 is rotatable in the fourth annular bearing 30, a sealing gasket is disposed at an inner junction of the transmission rod 12 and the connecting pipe 28, and the sealing gasket is disposed at an outlet of the connecting pipe 28 in close contact with the transmission rod 12 to ensure the air tightness in the connecting pipe 28.

Preferably, the hard liquid inlet pipe 23 is provided with an electric control valve 34, the upper surface of the handle 1 is provided with three bearing seats 35, the bearing seats 35 are arranged in an isolation cover 36, the isolation cover 36 is arranged to block the internal structure, so that the whole body is simpler and more beautiful, the isolation cover 36 is fixed on the handle 1, a rotating shaft 37 is movably arranged in the bearing seats 35, the rotating shaft 37 can rotate in the bearing seats 35, a driving wheel 38 is fixedly arranged on the rotating shaft 37 at the middle position, side wheels 39 are fixedly arranged on the rotating shafts 37 at the two sides in a penetrating way, the side wheels 39 extend to the outer side of the isolation cover 36, an electric control valve wireless adjusting knob 40 and a micro negative pressure generator wireless adjusting knob 41 are respectively and fixedly arranged on the side wheels 39, the electric control valve wireless adjusting knob 40 is in signal connection with the electric control valve 34, and the micro negative pressure generator wireless adjusting knob 41 is in signal connection, the wireless adjusting knob 40 of the electric control valve and the wireless adjusting knob 41 of the micro negative pressure generator respectively adjust and control the electric control valve 34 and the micro negative pressure generator 32 through forward and reverse rotation.

The working principle is as follows: before use, the blocking piece 302 is opened firstly, then clean liquid medicine is added into the cleaning liquid cavity 3 through the liquid adding opening 301, the blocking piece 302 is reversely installed after the addition, when the device is used, the sewage discharge valve 402 is closed, medical staff can hold the handle 1 by hand to place the rubber sealing ring 25 on the skin around the wound of a patient, then the rotating motor 7, the water pump 24 and the micro negative pressure generator 32 are started, firstly, the rotating motor 7 drives the stirring blade 8 to rotate through the rotating rod 6, the stirring blade 8 stirs and mixes the liquid medicine in the cleaning liquid cavity 3, the device is particularly suitable for compound liquid medicine of medicine powder, medicine and the like needing to be proportioned, automatic stirring is more convenient, medicine layering and precipitation is also avoided, secondly, the rotating rod 6 drives the driving wheel 9 to rotate, the driving wheel 9 drives the first driven wheel 11 to rotate through the first driving belt 10, the first driven wheel 11 drives the transmission rod 12 to rotate, so that the crushing cutter 29 rotates to cut the removed foreign matters, inactivated tissues and the like, and prevent the inside of the connecting pipe 28 from being blocked, and thirdly, the driving rod 12 drives the second driven wheel 13 to rotate, the second driven wheel 13 drives the third driven wheel 15 to rotate through the second driving belt 14, the third driven wheel 15 drives the two extension rods 16 to rotate in the slot 20, so that the spray plate 17 rotates, at the moment, the third driven wheel 15 drives the second ring bearing 151 to rotate, the joint 22 drives the third ring bearing 221 to rotate, after the water pump 24 is started, the clean liquid medicine in the cleaning liquid cavity 3 enters the spray plate 17 through the hard liquid inlet pipe 23 and the joint 22, and finally is sprayed out from the spray head 21, the spray heads 21 are respectively arranged in an inclined manner at different angles, and the spray heads 21 rotate along with the rotation of the spray plate 17, so that no spray blind area exists, and the debridement is more thorough, the used liquid medicine is sucked by the suction port 26 and enters the sewage cavity 4 for temporary storage through the annular suction tube 27 and the connecting tube 28, so that the centralized treatment is facilitated.

In addition, if the flow of the liquid medicine needs to be adjusted, the wireless adjusting knob 40 of the electric control valve can be manually rotated, the wireless adjusting knob 40 of the electric control valve can control the opening and closing size of the electric control valve 34, the wireless adjusting knob 40 of the electric control valve can drive the side wheel 39 to rotate through the rotating shaft 37 when adjusting, the side wheel 39 drives the other side wheel 39 to rotate through the driving wheel 38, and then the wireless adjusting knob 41 of the micro negative pressure generator can rotate along with the other rotating shaft 37, that is, if the wireless adjusting knob 40 of the electric control valve controls the opening degree of the electric control valve 34 to be increased, the flow of the liquid medicine is increased, the wireless adjusting knob 41 of the micro negative pressure generator can also control the power of the micro negative pressure generator 32 to be increased, otherwise, the wireless adjusting knob and the wireless adjusting knob of the electric control valve can realize automatic matching, the reasonable matching of the spraying liquid medicine and the negative pressure suction liquid, the debridement problem is caused by the fact that the debridement liquid medicine cannot be sucked in time or the debridement is affected by the fact that the liquid medicine and the wound of the patient are excessively sucked when the power of the miniature negative pressure generator 32 is relatively overlarge.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 hydrojet negative pressure suction device for debridement, comprising a handle (1), characterized in that: a partition plate (2) is fixedly arranged in an inner cavity of the handle (1), the inner cavity of the handle (1) is divided into a cleaning liquid cavity (3) and a sewage cavity (4) by the partition plate (2), a rotating rod (6) penetrates through the top wall of the cleaning liquid cavity (3), the rotating rod (6) is fixed at the output end of a rotating motor (7), and a section of the rotating rod (6) extending into the cleaning liquid cavity (3) is fixedly provided with a stirring blade (8);

the fixed action wheel (9) that runs through that is provided with on rotary rod (6), action wheel (9) set up in first drive belt (10), be provided with first driven wheel (11) in first drive belt (10), the fixed drive pole (12) that runs through that is provided with in the center department of first driven wheel (11), the top of drive pole (12) is fixed in the center department of second driven wheel (13), second driven wheel (13) set up in second drive belt (14), be provided with third driven wheel (15) in second drive belt (14), the fixed extension pole (16) that is provided with in bottom of third driven wheel (15), extension pole (16) have two and use the center of third driven wheel (15) as mid point symmetry, the bottom of extension pole (16) is fixed in on spraying board (17), extension pole (16) extend to in debridement cup (18) through fluting (20), the slot (20) is arranged on the top wall of the debridement cup (18), the inner wall of the debridement cup (18) is fixedly provided with an inner guide rail (19), the spray plate (17) is movably arranged on the inner guide rail (19), the bottom of the spray plate (17) is communicated with a plurality of spray heads (21), the top of the spray plate (17) is communicated with a joint (22), a third circular ring bearing (221) is arranged in the joint (22), a hard liquid inlet pipe (23) is movably arranged in the third circular ring bearing (221), a second circular ring bearing (151) is fixedly arranged on the outer side of the hard liquid inlet pipe (23), the second ring bearing (151) is embedded in the third driven wheel (15), the hard liquid inlet pipe (23) is communicated with the cleaning liquid cavity (3), and a water pump (24) is arranged on the hard liquid inlet pipe (23);

the fixed rubber seal (25) that is provided with in bottom of cup of creating a debridement (18), a plurality of suction ports (26) have been seted up on rubber seal (25), suction port (26) communicate in annular suction pipe (27), annular suction pipe (27) communicate in connecting pipe (28), connecting pipe (28) communicate in sewage chamber (4), one section that transfer line (12) extend to connecting pipe (28) inside is fixed and is provided with crushing sword (29), fixed spacer (31) that is provided with in sewage chamber (4), be provided with miniature negative pressure generator (32) and attract pipe (33) in spacer (31), miniature negative pressure generator (32) set up on attracting pipe (33), the both ends of attracting pipe (33) communicate sewage chamber (4) and external world respectively.

2. The liquid spray negative pressure suction device for debridement of claim 1, wherein: a liquid adding opening (301) is formed in the cleaning liquid cavity (3), and a matched blocking piece (302) is arranged in the liquid adding opening (301).

3. The liquid spray negative pressure suction device for debridement of claim 1, wherein: the bottom of the sewage cavity (4) is communicated with a sewage discharge pipe (401), and a sewage discharge valve (402) is arranged on the sewage discharge pipe (401).

4. The liquid spray negative pressure suction device for debridement of claim 1, wherein: the cleaning device is characterized in that a first circular ring bearing (5) is fixedly arranged on the top wall of the inner cavity of the cleaning liquid cavity (3), and the rotating rod (6) is movably arranged in the first circular ring bearing (5).

5. The liquid spray negative pressure suction device for debridement of claim 1, wherein: the plurality of shower heads (21) are arranged in an inclined manner at different angles.

6. The liquid spray negative pressure suction device for debridement of claim 1, wherein: the fixed fourth ring bearing (30) that is provided with on the outer wall of connecting pipe (28), transfer line (12) activity is run through and is set up in fourth ring bearing (30), the intraductal handing-over department of transfer line (12) and connecting pipe (28) is provided with sealed the pad for guarantee the intraductal gas tightness of connecting pipe (28).

7. The liquid spray negative pressure suction device for debridement of claim 1, wherein: an electric control valve (34) is arranged on the hard liquid inlet pipe (23), three bearing seats (35) are arranged on the upper surface of the handle (1), the bearing seat (35) is arranged in an isolation cover (36), the isolation cover (36) is fixed on the handle (1), a rotating shaft (37) is movably arranged in the bearing seat (35), a driving wheel (38) is fixedly arranged on the rotating shaft (37) at the middle position, side wheels (39) are fixedly arranged on the rotating shafts (37) at the two sides in a penetrating way, the side wheel (39) extends to the outer side of the isolation cover (36), an electric control valve wireless adjusting knob (40) and a micro negative pressure generator wireless adjusting knob (41) are respectively and fixedly arranged on the side wheel (39), the wireless adjusting knob (40) of the electric control valve is in signal connection with the electric control valve (34), the wireless adjusting knob (41) of the micro negative pressure generator is in signal connection with the micro negative pressure generator (32).