CN115814179A - Drainage equipment and method for surgical operation - Google Patents

Abstract

The invention relates to the technical field of surgical operation drainage, in particular to a surgical operation drainage device and a surgical operation drainage method. Make equipment use under any circumstance to directly inhale the soft tissue department in affected part and block up the drainage tube when preventing the extraction through porous setting, and inhale the soft tissue through adsorbing the piece and carry out relatively fixed to the orificial absorbent position, reduce self motion and drag the extrusion pipeline to drainage pipeline, thereby influence the condition of the reply in affected part, and through the fixed to drainage pipeline, can be with drainage equipment portable more.

Description

Drainage equipment and method for surgical operation

Technical Field

The invention relates to the technical field of surgical operation drainage, in particular to drainage equipment and a method for surgical operation.

Background

The drainage tube is used for clinical surgical drainage, and can be used for guiding pus, blood and liquid accumulated in human body tissue or body cavity into the body, preventing postoperative infection and promoting wound healing.

The existing drainage device for oral surgery has the following disadvantages: 1. when needing to use drainage equipment when carrying out the emergency operation in the open air and using, ordinary drainage equipment volume is difficult for carrying a little, if can't deal with the great condition of amount of bleeding by disposable drainage equipment to the tube head of traditional drainage tube is very easy when the extraction to liquid, and the soft tissue department of affected part is directly inhaled very easily, blocks up the drainage tube very easily, can't play the function of in time absorbing.

2. The in-process of drainage can't be fixed the position of corresponding drainage tube, and the patient drags and warp extrusion pipeline to drainage tube because of the motion of self very easily to lead to some equipment that tightly rely on the vacuum cavity drainage can't in time with corresponding liquid suction, can seriously influence the recovery in affected part.

3. When liquid is extracted, impurities in the liquid possibly block the pipeline in the extracting process, the pipeline needs to be dredged by pinching the corresponding blocking position with gauze, and the extracting amount of the liquid cannot be adjusted according to the amount of the corresponding liquid in the using process of the drainage equipment.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a surgical drainage apparatus, which is achieved by the following specific technical means:

the utility model provides a drainage equipment for surgical operation, includes the fuselage, fixed surface installs the support frame under the right side of fuselage, the front end of support frame is provided with the collecting tank, the inside of fuselage is provided with extraction mechanism, extraction mechanism's front end lateral wall is provided with fixed establishment, fixed establishment's front end is provided with prevents stifled adjustment mechanism, extraction mechanism's front end is provided with prevents stifled mechanism.

The extraction mechanism comprises an air cylinder, a telescopic piston rod, an exhaust cylinder, an exhaust pipe, an air suction pipe, a sealing cover, a liquid inlet pipe and a liquid guide pipe, wherein the air cylinder is fixedly arranged on the rear surface of the inside of the machine body, the telescopic piston rod is fixedly arranged at the front end of the air cylinder, the front end of the telescopic piston rod is connected to the inner side wall of the exhaust cylinder through a piston plate in a sliding mode, the exhaust pipe is fixedly connected to one side of the upper side wall of the front end of the exhaust cylinder, the air suction pipe is fixedly arranged on the lower side of the outer side wall of the front end of the exhaust cylinder, opposite check valves are arranged inside the air suction pipe and the exhaust pipe, the sealing cover is in threaded connection with the upper surface of the collecting tank, the lower end of the air suction pipe is fixedly connected with the center of the sealing cover, the liquid inlet pipe is fixedly arranged on the left side of the upper surface of the sealing cover, and the liquid guide pipe is rotatably connected with the threaded sleeve through threads.

As a preferred technical scheme of the invention, the fixing mechanism comprises a fixing block, a push plate, a roller, an air bag, a spring telescopic rod, a connecting pipe and a sucker, the outer side wall of the liquid guide pipe is connected with the fixing block in a sliding manner, the inner walls of the left side and the right side of the fixing block are both provided with the push plate in a sliding manner through a slide way matched with the roller, the center of the left side of the push plate is fixedly connected with the air bag, the inner wall of the fixing block is fixedly connected with the left side of the air bag, the spring telescopic rod is fixedly arranged on the left side of the push plate and the inner side of the fixing block, the connecting pipe is fixedly arranged on one side, close to the fixing block, of the center of the lower end of the air bag, the sucker is fixedly arranged on the lower surface of the fixing block, and the connecting pipe is fixedly connected with the center of the inner part of the sucker.

As a preferred technical scheme of the invention, the anti-blocking adjusting mechanism comprises an outer shell cylinder, an inner cylinder, a rotary rod, a gear ring, a transmission gear, a shaft lever, a cam, a lifting block, a slide rail, a spring rod and a threaded cylinder, wherein the inner wall of the upper end of the fixed block is in threaded connection with the threaded cylinder, the front end of the threaded cylinder is fixedly mounted on the surface of the rear end of the outer shell cylinder, the inner wall of the outer shell cylinder is fixedly mounted with the inner cylinder, the inner wall of the inner cylinder is slidably connected on the surface of a liquid guide pipe, the outer side wall of the outer shell cylinder is rotatably mounted with the rotary rod through a bearing, the lower end of the rotary rod is in meshed connection with the gear ring through a bevel gear, the gear ring is rotatably connected on the outer side wall of the inner cylinder through a bearing, the inner side wall of the outer shell cylinder is rotatably connected with a plurality of shaft levers through a bracket in a circumferential direction, the rear end of the shaft lever is fixedly sleeved with the transmission gear and is in meshed with the outer wall of the gear ring, the cam is fixedly mounted at the center of the outer side wall of the shaft lever, the cam is slidably connected with the lifting block through the slide rail fixedly mounted at the center of the slide rail in a fixed manner, and fixedly mounted on the inner wall of the slide rail in a circumferential direction between the outer shell cylinder.

As a preferred technical scheme of the invention, the anti-blocking mechanism comprises a connector, adsorption blocks, a rotary sleeve and an anti-blocking head, the connector is sleeved at the front end of the liquid guide pipe, the rotary sleeve is in threaded connection with the rear end of the connector, the adsorption blocks are fixedly arranged on the surface of the connector in the circumferential direction, an air pipe penetrates through the centers of the adsorption blocks, and the anti-blocking head is fixedly connected to the front end of the connector.

As a preferable technical scheme of the invention, a gasket is arranged on the lower surface of the collecting tank, a rubber sealing ring is arranged at the joint of the collecting tank and the sealing cover, and the liquid inlet pipe is arranged lower than the air suction pipe.

As a preferred technical scheme of the invention, the lower surface of the fixed block is arranged in a cambered surface mode, and the outer sides of the push plates are provided with uneven bulges.

As a preferable technical scheme of the invention, a plurality of rolling balls are arranged in the circumferential direction of the inner side wall of the inner cylinder, and the rolling balls are arranged on the lower surface of the lifting block.

As a preferable technical scheme of the invention, the front end of the anti-blocking head is arranged in a porous way, and the outer side surface of the rotary sleeve is arranged in a rugged way.

In addition, the invention provides a surgical drainage method, which comprises the following steps: the first step is as follows: and respectively assembling corresponding mechanisms on the main body, and placing the connecting heads at corresponding positions.

The second step: the cylinder is started to exhaust gas in the collecting tank to form negative air pressure, and suction force to liquid is generated.

The third step: the position of the catheter is fixed by using a fixing block.

The fourth step: dredging the blocked position and regulating the flow rate when absorbing liquid.

The fifth step: and recovering and processing subsequent equipment after absorption.

Compared with the prior art, the invention has the following beneficial effects: 1. this drainage equipment for surgical operation cooperatees with anti-blocking mechanism through extraction mechanism for equipment can use under any occasion arbitrary circumstances, and can prevent through porous setting that the soft tissue department that directly inhales the affected part from blockking up the drainage tube when extracting, and inhale the soft tissue through adsorbing the piece and carry out relatively fixed to the position that the mouth of pipe adsorbs.

2. This drainage equipment for surgical operation directly pastes corresponding position through fixed knot structure, reduces because of the extrusion pipeline that patient's self motion led to dragging of drainage pipeline to seriously influence the condition of the recovery in affected part, and through the fixed to drainage pipeline, can be with drainage equipment portable more.

3. This drainage equipment for surgical operation slides on the catheter through preventing stifled adjustment mechanism for when extraction in-process impurity blocks up the pipeline, avoid reusing the gauze to pinch to get and dredge the pipeline, directly make it warp through rotatory swing arm extrusion pipeline and dredge the pipeline, and when need not the use, can with fixed knot structure cooperation to corresponding liquid volume how much, reduce the size of mouth of pipe area in order to adjust the extraction volume to liquid.

Drawings

Fig. 1 is a schematic front perspective view of the main body of the present invention.

Fig. 2 is a schematic perspective view of the main body of the present invention.

Fig. 3 is a schematic perspective view of the drawing mechanism of the present invention.

Fig. 4 is a schematic cross-sectional plan view of the extraction mechanism of the present invention.

Fig. 5 is a schematic front perspective view of the anti-blocking adjustment mechanism of the present invention.

Fig. 6 is a schematic bottom perspective view of the anti-clogging adjustment mechanism of the present invention.

Fig. 7 is a schematic sectional three-dimensional structure diagram of the anti-blocking adjusting mechanism of the present invention.

Fig. 8 is a schematic view of the internal plane structure of the anti-blocking adjusting mechanism of the present invention.

Fig. 9 is a schematic perspective view of the anti-blocking mechanism of the present invention.

Fig. 10 is a perspective view of the fixing mechanism of the present invention.

Fig. 11 is a schematic sectional perspective view of the fixing mechanism of the present invention.

Fig. 12 is a schematic view of the internal plan structure of the fixing mechanism of the present invention.

In the figure: 1. a body; 2. a support frame; 3. a collection tank; 4. a drawing mechanism; 401. a cylinder; 402. a telescopic piston rod; 403. an exhaust cylinder; 404. an exhaust pipe; 405. an air intake duct; 406. a sealing cover; 407. a liquid inlet pipe; 408. a catheter; 5. a fixing mechanism; 501. a fixed block; 502. pushing the plate; 503. a roller; 504. an air bag; 505. a spring telescopic rod; 506. a connecting pipe; 507. a suction cup; 6. an anti-blocking adjusting mechanism; 601. a housing tube; 602. an inner barrel; 603. rotating the rod; 604. a ring gear; 605. a transmission gear; 606. a shaft lever; 607. a cam; 608. a lifting block; 609. a slide rail; 610. a spring lever; 611. a threaded barrel; 7. an anti-blocking mechanism; 701. a connector; 702. adsorption block (ii) a; 703. a rotating sleeve; 704. prevent end cap.

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. 1-2, a surgical drainage device comprises a body 1, a support frame 2 is fixedly mounted on the right side of the body 1, a collection tank 3 is arranged at the front end of the support frame 2, a gasket is arranged on the lower surface of the collection tank 3, an extraction mechanism 4 is arranged inside the body 1, a fixing mechanism 5 is arranged on the outer side wall of the front end of the extraction mechanism 4, an anti-blocking adjusting mechanism 6 is arranged at the front end of the fixing mechanism 5, and an anti-blocking mechanism 7 is arranged at the front end of the extraction mechanism 4.

Referring to fig. 2-4, the extracting mechanism 4 includes an air cylinder 401, a telescopic piston rod 402, an exhaust cylinder 403, an exhaust pipe 404, an air suction pipe 405, a sealing cover 406, a liquid inlet pipe 407 and a liquid guide pipe 408, the air cylinder 401 is fixedly installed on the rear surface inside the body 1, the telescopic piston rod 402 is fixedly installed at the front end of the air cylinder 401, the front end of the telescopic piston rod 402 is slidably connected to the inner side wall of the exhaust cylinder 403 through a piston plate, the exhaust pipe 404 is fixedly connected to one side of the outer side wall of the front end of the exhaust cylinder 403 close to the body 1, the air suction pipe 405 is fixedly installed on the lower side of the outer side wall of the front end of the exhaust cylinder 403, the air suction pipe 405 and the exhaust pipe 404 are both provided with opposite check valves, the upper surface of the collecting tank 3 is threadedly connected to the sealing cover 406, a rubber sealing ring is provided at the connection between the collecting tank 3 and the sealing cover 406, the lower end of the air suction pipe 405 is fixedly connected to the center of the sealing cover 406, the liquid inlet pipe 407 is fixedly installed on the left side of the upper surface of the sealing cover 406, the liquid inlet pipe 407 is lower than the air suction pipe 405, the liquid guide pipe 408 is rotatably connected to the liquid guide pipe 408 through a screw sleeve, and the liquid guide pipe 408 is a disposable product 408.

When the air compressor works specifically, an air cylinder 401 in the machine body 1 is started, the air cylinder 401 drives a piston plate at the front end of a telescopic piston rod 402 to reciprocate back and forth in an exhaust cylinder 403 and extrude air in the air cylinder, at the moment, because an air suction pipe 405 and the exhaust pipe 404 are both internally provided with opposite one-way valves, when the piston plate at the front end of the telescopic piston rod 402 moves forward in the exhaust cylinder 403, the air is extruded forward, at the moment, the one-way valve of the exhaust pipe 404 is opened, the one-way valve of the air suction pipe 405 is closed, the air of a collection tank 3 is extracted into the exhaust cylinder 403 by the piston plate, the air pressure of the collection tank 3 is continuously reduced during the reciprocating motion of the telescopic piston rod 402, at the moment, negative air pressure is formed in the collection tank 3, and under the driving of negative air pressure, blood is sucked from the front end of the collection tank 701 through a liquid guide pipe 408 and flows into a liquid inlet pipe 407 and finally converges into the collection tank 3, so that the equipment can be used in any place.

Referring to fig. 10-12, the fixing mechanism 5 includes a fixing block 501, a push plate 502, rollers 503, an air bag 504, a spring expansion link 505, a connecting pipe 506 and a suction cup 507, the outer side wall of the catheter 408 is slidably connected with the fixing block 501, the lower surface of the fixing block 501 is arranged in an arc surface, the inner walls of the left and right sides of the fixing block 501 are both slidably mounted with the push plate 502 by matching with the rollers 503 through slideways, the outer side of the push plate 502 is provided with uneven protrusions, the center of the left side of the push plate 502 is fixedly connected with the air bag 504, the inner side wall of the fixing block 501 is fixedly connected with the left side of the air bag 504, the left side of the push plate 502 and the inner side of the fixing block 501 are fixedly mounted with the spring expansion link 505, the center of the lower end of the air bag 504 close to the side of the fixing block 501 is fixedly mounted with the connecting pipe 506, the lower surface of the fixing block 501 is fixedly mounted with the suction cup 507, and the connecting pipe 506 and the inner center of the suction cup 507 are fixedly connected.

When the novel medical drainage catheter is in specific work, the fixing block 501 slides on the surface of the catheter 408 and reaches a corresponding position, at the moment, the two sides can simultaneously and forcefully extrude the push plate 502 inwards, at the moment, the push plate 502 moves inwards under the action of the roller 503, the rear air bag 504 is also extruded, the air in the fixing block is exhausted from the connecting pipe 506 through the suction cup 507, at the moment, the fixing block 501 is moved to a position on the body of a patient where the fixing block is needed, the suction cup 507 is attached to the skin, the push plate 502 can be loosened, the spring telescopic rod 505 pushes the push plate 502 forwards, the air between the suction cup 507 and the skin is simultaneously stretched and sucked to the air bag 504, the fixing block 501 is stably attached to the surface of the patient or the fixing point needed, and therefore the purpose of avoiding the extrusion pipeline caused by the pulling of the drainage pipeline due to the self movement of the patient is achieved, and the recovery condition of an affected part is seriously affected.

Referring to fig. 5-8, the anti-blocking adjusting mechanism 6 includes an outer housing 601, an inner cylinder 602, a rotating rod 603, a gear ring 604, a transmission gear 605, a shaft rod 606, a cam 607, a lifting block 608, a slide rail 609, a spring rod 610 and a threaded cylinder 611, wherein the inner wall of the upper end of the fixing block 501 is connected with the threaded cylinder 611 through a thread, the front end of the threaded cylinder 611 is fixedly installed on the rear end surface of the outer housing 601, the inner cylinder 602 is fixedly installed inside the outer housing 601, a plurality of rolling balls are arranged in the circumferential direction of the inner side wall of the inner cylinder 602, the inner side wall of the inner cylinder 602 is slidably connected to the surface of the liquid guide tube 408, the rotating rod 603 is rotatably installed on the outer side wall of the outer housing 601 through a bearing, the gear ring 604 is engaged with the lower end of the rotating rod 603 through a bevel gear, the gear ring 604 is rotatably connected to the outer side wall of the inner cylinder 602 through a bearing, the inner side wall of the outer housing 601 is rotatably connected to the plurality of shaft rods 606 through a bracket in the circumferential direction, the transmission gear 605 is engaged with the outer side wall of the inner side wall of the gear ring 604, the inner cylinder 604, the cam 608 is fixedly sleeved with the cam 607, the lifting block 608, the outer side wall of the lifting block 601, the lifting block is connected to the sliding rod 609, the sliding rod is connected to the sliding rail 601, the sliding rod 602, and the sliding rod 609, and the sliding rod is symmetrically installed on the inner side wall of the sliding rail 609.

When the liquid suction device works, in the process of sucking liquid, when impurities block the catheter 408 and the catheter 408 needs to be dredged, the outer shell cylinder 601 is pinched to pull the outer shell cylinder to the corresponding blocking position of the catheter 408, the rolling ball of the inner cylinder 602 reduces friction on the catheter 408 during pulling, then the rotating rod 603 can start to rotate, the rotating rod 603 can drive the gear ring 604 to rotate on the outer wall of the inner cylinder 602 through the bevel gear, the transmission gear 605 starts to rotate through meshing, the cam 607 rotates under the action of the support and the shaft lever 606, when the rotating rod 603 rotates the cam 607 to a convex part through the gear ring 604, the cam 607 can squeeze the lifting block 608 inwards, the sliding rail 609 can limit the lifting block 608 at the moment, the spring rod 610 can pull the lifting block 608 to a position which always contacts the outer side wall of the cam 607, the lifting block 608 can move inwards on the sliding rail 609 and enable the rolling ball 408 below the lifting block to contact with the rolling ball 408, the catheter 408 slightly squeezes the catheter 408, the blockage is deformed, the blockage is sucked again, and if the blockage is still solved, the problem that the catheter 408 cannot be pinched to pull the outer shell cylinder 408 down to be dredged when the catheter 601 is dredged, and the catheter used.

When the efficiency of sucking liquid needs to be adjusted, the shell cylinder 601 is only needed to be pinched and pulled to the position of the fixing block 501 closest to one side of the liquid inlet pipe 407, and the shell cylinder 601 is rotated into the fixing block 501 through the threaded cylinder 611 through threaded connection, at this time, the lifting block 608 is extruded to the liquid guide pipe 408 by rotating the rotating rod 603, and under the condition that the flow rate caused by negative air pressure is not changed, the range of extruding the liquid guide pipe 408 by the rotating rod 603 and the lifting block 608 is driven to rotate, the cross-sectional area of the liquid guide pipe 408 is determined to be reduced, and therefore the speed of sucking liquid is adjusted.

Referring to fig. 9, the anti-blocking mechanism 7 includes a connector 701, an adsorption block 702, a rotating sleeve 703 and an anti-blocking head 704, the connector 701 is sleeved at the front end of the catheter 408, the rotating sleeve 703 is screwed to the rear end of the connector 701, the outer surface of the rotating sleeve 703 is rugged, a plurality of adsorption blocks 702 are fixedly installed on the surface of the connector 701 in the circumferential direction, a gas pipe penetrates through the center of the adsorption blocks 702, the anti-blocking head 704 is fixedly connected to the front end of the connector 701, the front end of the anti-blocking head 704 is porous, and the connector 701 is a disposable product.

When the suction pipe is used, suction force can be simultaneously provided for the adsorption block 702 and the anti-blocking head 704 under the action of the suction force of negative pressure, the air pipe of the adsorption block 702 is small, when the catheter 408 brings the connector 701 into contact with soft tissue of a corresponding suction position, the adsorption block 702 can be fixed relatively to the position adsorbed by the connector 701 under the action of the suction force, and meanwhile, the drainage pipe is subjected to porous dispersion under the porous setting of the anti-blocking head 704, so that the soft tissue which is directly sucked to an affected part can be prevented from blocking the drainage pipe when liquid is sucked.

In addition, the invention provides a surgical drainage method, which comprises the following steps: the first step is as follows: when a surgical operation is required in an emergency and drainage equipment is required in the operation process, the body 1 and the collection tank 3 are connected through the sealing cover 406 by the support frame 2, the rubber sealing ring can effectively guarantee the air tightness of the collection tank 3 in the equipment, the rear end of the liquid guide pipe 408 and the thread sleeve are screwed on the upper end of the liquid inlet pipe 407, then the fixing blocks 501 and the inner cylinder 602 respectively penetrate through the liquid guide pipe 408, the front end of the liquid guide pipe 408 is sleeved on the rear end of the connector 701, then the front end of the liquid guide pipe 408 is tightly clamped by rotating the rotating sleeve 703 through the thread, and at this time, the connector 701 is placed at the position where drainage is required.

The second step is that: at this time, the cylinder 401 inside the body 1 can be started, the negative pressure inside the collection tank 3 can suck blood from the anti-blocking head 704 at the front end of the connector 701 through the liquid guide tube 408, the adsorption block 702 can relatively fix the adsorption position of the connector 701 under the action of suction force, and then the liquid flows into the liquid inlet pipe 407 through the liquid guide tube 408 and finally flows into the collection tank 3.

The third step: then the fixing block 501 can be held to slide on the surface of the catheter 408 and reach the corresponding position, and at the moment, the push plate 502 can be pressed inwards by force from both sides simultaneously, so that the fixing block 501 is stably attached to the surface of the patient or the surface needing fixing.

The fourth step: when the liquid is sucked, and the liquid guide tube 408 needs to be dredged, the outer shell cylinder 601 is pinched to be pulled to the corresponding blocking position of the liquid guide tube 408, the rotary rod 603 is rotated to slightly extrude the liquid guide tube 408, the blocking object is deformed, the blocking object is sucked by suction, and if the situation can not be solved, the outer shell cylinder 601 is pinched to be pulled on the surface of the liquid guide tube 408 in a reciprocating manner under the condition that the lifting block 608 is kept in contact.

When the efficiency of liquid suction needs to be adjusted, the shell cylinder 601 is held and pulled to the fixed block 501 closest to one side of the liquid inlet pipe 407, the shell cylinder 601 is rotated into the fixed block 501 through the threaded cylinder 611 through threaded connection, and then the rotating rod 603 is rotated to extrude the lifting block 608 to the liquid guide pipe 408 to adjust the liquid suction rate.

The fifth step: after use, the catheter 408 is taken out with the connector 701 and disposed of, and then the fixing block 501 and the outer side of the housing tube 601 are sterilized, and then the liquid inside the collection tank 3 can be disposed of.

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 (8)

1. A surgical drainage device comprising a body (1), characterized in that: a support frame (2) is fixedly mounted on the lower surface of the right side of the machine body (1), a collecting tank (3) is arranged at the front end of the support frame (2), an extraction mechanism (4) is arranged inside the machine body (1), a fixing mechanism (5) is arranged on the outer side wall of the front end of the extraction mechanism (4), an anti-blocking adjusting mechanism (6) is arranged at the front end of the fixing mechanism (5), and an anti-blocking mechanism (7) is arranged at the front end of the extraction mechanism (4);

the extraction mechanism (4) comprises an air cylinder (401), a telescopic piston rod (402), an exhaust cylinder (403), an exhaust pipe (404), an air suction pipe (405), a sealing cover (406), a liquid inlet pipe (407) and a liquid guide pipe (408), wherein the air cylinder (401) is fixedly installed on the rear inner surface of the body (1), the telescopic piston rod (402) is fixedly installed at the front end of the air cylinder (401), the front end of the telescopic piston rod (402) is connected to the inner side wall of the exhaust cylinder (403) through a piston plate in a sliding mode, the exhaust pipe (404) is fixedly connected to one side, close to the body (1), of the upper side wall of the front end of the exhaust cylinder (403), the air suction pipe (405) is fixedly installed on the lower side of the outer side wall of the front end of the exhaust cylinder (403), opposite check valves are arranged inside the air suction pipe (405) and the exhaust pipe (404), the sealing cover (406) is in threaded connection with the upper surface of the collection tank (3), the lower end of the air suction pipe (405) is fixedly connected with the center of the sealing cover (406), the liquid inlet pipe (407) is fixedly installed on the left side, and the liquid guide pipe (408) is connected with the liquid guide pipe (407) through a thread sleeve.

2. A surgical drainage apparatus as claimed in claim 1, wherein: fixed establishment (5) are including fixed block (501), push pedal (502), gyro wheel (503), gasbag (504), spring telescopic link (505), connecting pipe (506) and sucking disc (507), the lateral wall sliding connection of catheter (408) has fixed block (501), the left and right sides inner wall of fixed block (501) all cooperatees slidable mounting through slide and gyro wheel (503) has push pedal (502), fixedly connected with gasbag (504) are located at the left side center of push pedal (502), the inside wall of fixed block (501) and the left side fixed connection of gasbag (504), the left side of push pedal (502) and the inboard fixed mounting of fixed block (501) have spring telescopic link (505), the lower extreme center department of gasbag (504) is close to one side fixed mounting of fixed block (501) and has connecting pipe (506), the lower fixed surface mounting of fixed block (501) has sucking disc (507), fixed connection is located with the inside center of sucking disc (507) in connecting pipe (506).

3. A surgical drainage apparatus as claimed in claim 2, wherein: the anti-blocking adjusting mechanism (6) comprises an outer shell cylinder (601), an inner cylinder (602), a rotating rod (603), a gear ring (604), a transmission gear (605), a shaft lever (606), a cam (607), a lifting block (608), a sliding rail (609), a spring rod (610) and a threaded cylinder (611), wherein the inner wall of the upper end of the fixed block (501) is in threaded connection with the threaded cylinder (611), the front end of the threaded cylinder (611) is fixedly installed on the surface of the rear end of the outer shell cylinder (601), the inner cylinder (602) is fixedly installed inside the outer shell cylinder (601), the inner side wall of the inner cylinder (602) is in sliding connection with the surface of a liquid guide pipe (408), the outer side wall of the outer shell cylinder (601) is rotatably provided with the rotating rod (603) through a bearing, the lower end of the rotating rod (603) is in meshing connection with the gear ring (604) through a bevel gear, the gear ring (604) is rotatably connected to the outer side wall of the inner cylinder (602) through a bearing, the inner side wall of the outer shell cylinder (601) is in the circumferential direction and is rotatably connected with a plurality of the rotating rods (606) through a support, the outer side wall of the gear ring (607) is fixedly sleeved on the rear end of the transmission gear (606), the shaft lever (605), the transmission gear shaft lever (606), the outer side wall of the cam shaft lever (607) is fixedly sleeved with the cam shaft lever (607), a plurality of slide rails (609) are fixedly installed in the circumferential direction between the outer shell (601) and the inner cylinder (602), two sides of the lifting block (608) are slidably connected inside the slide rails (609), and the lifting block (608) is fixedly connected to the inner side wall of the upper end of the slide rails (609) through spring rods (610) which are fixedly installed in a centrosymmetric manner.

4. A surgical drainage apparatus and method as claimed in claim 1, wherein: prevent stifled mechanism (7) including connector (701), absorption piece (702), swivel sleeve (703) and prevent end cap (704), connector (701) have been cup jointed to the front end of catheter (408), the rear end threaded connection of connector (701) has swivel sleeve (703), the surface of connector (701) has a plurality of absorption pieces (702) with circumferencial direction fixed mounting, and the center department through connection who adsorbs piece (702) has the trachea, the front end fixedly connected with of connector (701) prevents end cap (704).

5. A surgical drainage apparatus as claimed in claim 1, wherein: the lower surface of the collecting tank (3) is provided with a gasket, a rubber sealing ring is arranged at the joint of the collecting tank (3) and the sealing cover (406), the liquid inlet pipe (407) is arranged lower than the air suction pipe (405), and the liquid guide pipe (408) is a disposable product.

6. A surgical drainage apparatus according to claim 2, wherein: the lower surface of the fixing block (501) is arranged in an arc surface mode, and the outer side of the push plate (502) is provided with uneven protrusions.

7. A surgical drainage apparatus according to claim 3, wherein: a plurality of rolling balls are arranged in the circumferential direction of the inner side wall of the inner cylinder (602), and the rolling balls are arranged on the lower surface of the lifting block (608).

8. A surgical drainage apparatus as claimed in claim 4, wherein: the front end of the anti-blocking head (704) is arranged in a porous mode, the outer side surface of the rotating sleeve (703) is arranged in an uneven mode, and the connector (701) is a disposable product.

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