34 results about "Surgical towel" patented technology

The utility model provides an operation towel barium sheet on-line hemming device which comprises a transmission belt, a feeding device is arranged at the bottom of one end of the transmission belt, a plurality of driving devices are arranged on the transmission belt, an edge guide rod is arranged on one driving device, an edge guide conveying belt is arranged on one side of the edge guide rod, and the edge guide conveying belt comprises a first roller and a second roller. The second roller is higher than the first roller and is closer to the transmission belt than the first roller. The whole device is high in automation degree, barium sheets can be automatically conveyed, welded and cut, operation towels can be automatically hemmed and pressed, continuous work can be achieved, the production efficiency is greatly improved, personal errors can be reduced through the whole structure, it is ensured that the quality of all products is consistent, and the production efficiency is improved. And the phenomenon that working efficiency and quality are affected due to long-time repeated working fatigue of workers is avoided, and the high popularization value is achieved.

The utility model relates to medical instrument technical field, concretely is a kind of breathing friendly head and neck jaw face part aseptic surgical towel support, it includes: support part, both ends of support part are provided with bonding part, the middle part of support part is provided with bending part, the surface of bending part and adjusting part both is respectively provided with incision one and incision two, the middle part of bending part and adjusting part both and edge area reverse bending deformation;Beneficial effects are: by being provided with bending part and adjusting part in the middle part and both ends of support part, incision one is provided with on bending part surface, by the middle part and edge area of bending part and adjusting part both to different direction bending, it can form the space three-dimensional structure with supporting function, and the spacing between two bonding parts can be adjusted arbitrarily, the overall bending of the device is flat structure before, light in weight, small space occupation, easy to stack and store, when using, it is convenient to unfold bending, and adapt to the diverse face shape of different patients.

The utility model relates to surgical auxiliary article technical field. A kind of integrated laying of endoscopic surgery, including one surgical towel, surgical towel includes first water-absorbing reinforcing layer, second water-absorbing layer, waterproof layer and body surface contact layer being sequentially arranged from top to bottom;Surgical window is sequentially penetrated first water-absorbing reinforcing layer, second water-absorbing layer, waterproof layer and body surface contact layer from top to bottom and is set in surgical towel;Waterproof layer and body surface contact layer are arranged in upper and lower coincidence;Second water-absorbing layer is T-shaped and covers the upside of waterproof layer, and then left rear portion and right rear portion of waterproof layer are exposed;The upper side of the center of second water-absorbing layer is covered with first water-absorbing reinforcing layer;The outside of first water-absorbing reinforcing layer is connected with instrument placing bag for placing instrument and line pipe fixing buckle for connecting fixed line pipe.The utility model is set through the setting of multilayer structure, avoid the tediousness of multilayer laying, improve the efficiency of laying.Through line pipe fixing buckle and instrument placing bag, the integration of multifunction is satisfied.

A drape for a piece of equipment used during a medical procedure may be formed of a flexible sheet of polymeric material. The flexible sheet can have a basin portion shape-indexed to a basin or reservoir of the piece of equipment over which the drape is intended to be draped. The flexible sheet can also have a side sheet portion connected to the basin portion. The side sheet portion can drape down the basin or reservoir of the piece of equipment over which the drape is draped. The basin portion of the flexible sheet can be collapsible. As a result, the drape can be collapsed into planar package for storage. Upon being removed from the package, the basin portion of the drape can be expanded to conform to the walls of the basin of the piece of equipment over which the drape is deployed.

The utility model relates to the technical field of gauze production equipment, and discloses an operation towel folding and feeding machine which comprises a fixed rack, a driving rod is rotatably arranged on the surface of the fixed rack, two rotating discs are fixedly connected to the surface of the driving rod, a plurality of clamping assemblies are rotatably arranged between the two rotating discs, and the clamping assemblies are fixedly connected to the surface of the driving rod. The clamping assembly is used for clamping and feeding the operation towel. The clamping assembly is arranged on the surface of the rotating disc, the rotating disc can be used for driving the clamping assembly to rotate, then operation towels can be continuously conveyed to the position of the feeding assembly, continuous feeding of the operation towels is achieved, the clamping motor can be used for driving the first movable frame and the second movable frame to rotate in the opposite directions, and the operation towels can be continuously fed. And then clamping pieces on the surfaces of the first movable frame and the second movable frame are driven to clamp and fix the operation towel, so that the operation towel is conveniently fed and conveyed for subsequent folding operation, the working process is simplified, and the working efficiency is improved.

The present invention provides a preparation method of a PEEK composite waterproof surgical towel suitable for endoscopic flowing water surgery, and the present invention relates to the technical field of surgical towels. The preparation method of the PEEK composite waterproof surgical towel suitable for endoscopic flowing water surgery described in the present invention includes the following steps: Step 1: Select an ultra-thin transparent PEEK film; Step 2: Use the selected PEEK as a waterproof layer and composite it with thick cotton cloth as a base layer by an intermittent stitching process to obtain the waterproof surgical towel. By integrating the softness and skin-friendliness of cotton cloth with the high toughness of PEEK material, when laying, it has better elasticity and fit than a pure cotton towel, and can withstand repeated high-temperature and high-pressure sterilization, with a longer service life.

The utility model discloses a mask type operation towel supporting piece for eye surgery, which comprises a plurality of first shaping pipes, a plurality of second shaping pipes, a plurality of first connecting pieces, a plurality of second connecting pieces and a plurality of second connecting pieces, the connecting piece is fixedly connected to the end part of the first shaping pipe; the elastic bands are symmetrically and fixedly connected to the surface of the connecting piece; in the eye operation process, the elastic bands on the mask type operation towel supporting piece are worn on the ears of a patient, the first shaping pipe is shaped into a protruding space, it can be guaranteed that the operation towel placed on the face of the patient can be slightly lifted to form a supporting space in the operation period, and therefore the mouth and the nose of the patient can breathe; in addition, the positions of the connecting pieces connected with the first shaping pipes can be fixed when the connecting pieces sleeve the nose wings, then supporting and fixing of the whole mask type operation towel supporting piece are guaranteed, the limiting blocks at the front ends of the second shaping pipes can be movably contracted and placed at the nose wings of a patient in the using process, the adaptability is improved, and the requirements of an operating room are met.

The utility model belongs to the technical field of eye drainage and liquid collection devices, and relates to an ophthalmologic operation drainage and liquid collection operation towel which comprises a liquid collection opening, opening structures are arranged on the two sides of the top of the liquid collection opening, a liquid collection pipe is arranged at the bottom of the liquid collection opening, a liquid accumulation bag is arranged at the tail end of the liquid collection pipe, each opening structure comprises a support, and a supporting column is connected to the support through a connecting shaft. According to the utility model, the comfort level of a patient can be improved, the device can be better applied to an operation with complicated eye conditions, high operation difficulty and long operation time, the situation that the hole towel is pulled to move due to excessive liquid in the liquid collecting bag can be avoided, the operation safety is improved, the pollution to the periphery of eyes due to the permeation of flushing liquid can be effectively avoided, and the probability of infectious endophytic ophthalmia is reduced.

A portable operation towel relates to the technical field of operation hole towels and comprises an operation towel body and a locking assembly, a hole is formed in the operation towel body from the center of the upper surface to the center of the lower surface in a communicating mode, and at least three containing parts are evenly distributed on the hole along the front side face and the rear side face of the top of the operation towel body. The locking assembly is arranged in front of the inlet end of the containing part and comprises a fixing strip, a sliding base and a locking strip, the fixing strip is transversely arranged on the upper surface of the operation towel body, the operation towel is combined with the containing bag, and the design is particularly suitable for the outdoor environment, especially in the outdoor operation scene; according to the operation towel, medical staff are allowed to store various medical instruments in the designated containing bags respectively, so that orderly storage and convenient taking are achieved, in this way, the operation towel can meet basic operation requirements in the operation process, the additional function of carrying and keeping the medical instruments is achieved, and the operation towel is convenient to use. The practicability and the convenience of the operation towel are greatly improved.

The utility model provides a cutting machine capable of avoiding deviation and used for operation towel production. The cutting machine comprises a cutting table, a guide rail, a sliding base, a fixing base, a first stroke adjustable air cylinder, a supporting base, a mounting base, a second stroke adjustable air cylinder, a damping spring, a cloth pressing plate and a rubber pad. A plurality of guide rails are fixed to the top end of the cutting table through bolts and distributed in a matrix shape. A sliding seat is arranged at the top of the guide rail and is in sliding fit with the guide rail; a fixed seat is arranged at one end of the guide rail; the fixing base is fixed to the top end of the cutting table through bolts. A first stroke-adjustable air cylinder is fixed at one end of the fixed seat through a bolt; through improvement of the structure, the cloth fixing device has the advantages that the structure is reasonable, the position for fixing the cloth can be flexibly adjusted according to the size of the cloth of the operation towel, the cloth is not prone to being damaged when the cloth is fixed, and the second stroke adjustable air cylinder is not prone to being damaged, so that the problems and defects in an existing device are effectively solved.

The utility model relates to the technical field of operation towel production equipment, and discloses a storage transfer rack for operation towel production, which comprises a bottom plate, the right side of the top of the bottom plate is fixedly connected with a support frame, and the left end of the top of the rear side of the support frame is fixedly connected with a mounting plate I; the top of the first mounting plate is fixedly connected with a transferring assembly used for transferring the operation towel, the exterior of the transferring assembly is fixedly connected with a conveying plate, the front side and the rear side of the interior of the supporting frame are fixedly connected with first fixing plates, and the front side and the rear side of the top of the supporting frame are fixedly connected with second fixing plates; and a second mounting plate is fixedly connected to the bottom of the rear side of one second fixing plate. According to the surgical towel folding device, the cut surgical towel can be folded by starting the third motor, the workload of workers can be reduced, the surgical towel can be stored by starting the first motor, and then the working efficiency of the device is improved.

The utility model provides an operation towel barium sheet blanking positioning device which comprises a support, a rotating wire guide shaft and a rotating yarn guide shaft are arranged on the support, gauze is arranged between the wire guide shaft and the yarn guide shaft, an electric heating device is arranged on one side of the yarn guide shaft and located on one side of the gauze, a cutting device is arranged on the support, and a barium sheet penetrates through the cutting device. And the cutting device comprises two cutting rods which are rotatably opened and closed. The whole device is high in automation degree, and the phenomena that time and labor are wasted and the manufacturing cost is increased due to manual cutting of the barium sheets are avoided. The cutting device can ensure that the lengths of the cut barium sheets are consistent, and meanwhile, the phenomenon that the using effect is affected due to the fact that the sizes of the barium sheets are inconsistent possibly in the manual production process is avoided. The end of the barium sheet after being cut reaches the gauze, the position of the barium sheet is fixed in advance, the barium sheet is not prone to moving, follow-up sewing is facilitated, the situation that the barium sheet is inaccurate in positioning after being cut, and follow-up use is not convenient is avoided, and high popularization value is achieved.

The utility model discloses an operation assisting device which comprises an operation towel, a storage bag and a drainage bag, and the storage bag and the drainage bag are arranged at the two ends of the operation towel respectively. When the surgical towel is used, the surgical towel is attached to the outside of a patient, the storage bag is used for storing surgical instruments, and the drainage bag is used for draining surgical waste liquid. The storage bag and the drainage bag are detachably connected with the operation towel through connecting structures; or the storage bag and the drainage bag are integrated with the operation towel. The surgical towel has the advantages that the storage bag and the drainage bag are arranged at the two ends of the surgical towel, the storage bag can be used for storing instruments used for surgery, waste liquid generated in the surgery can be directly poured into the drainage bag, and therefore the efficiency and convenience of the surgery can be greatly improved during the surgery.

The utility model discloses a head side operation drape supporting device which comprises an L-shaped supporting body composed of a horizontal plate and a vertical plate, a clamping groove body used for being matched with a headboard of an operation bed is formed in the bottom face of the horizontal plate, a supporting rod is arranged on the vertical plate, and the position of the supporting rod can be adjusted up and down. And a supporting plate for supporting the surgical drapes is arranged at the upper end of the supporting rod. The head side operation hole towel supporting device is fixed on the head of an operation bed, when a neck deep vein puncture operation is carried out, the head of a patient is placed on the horizontal plate of the L-shaped supporting body, the head faces the vertical plate of the L-shaped supporting body, and when the operation hole towel covers the head, the operation towel facing the face is supported through the supporting plate on the supporting rod. Therefore, the uncomfortable problems of stuffiness, suffocation and the like caused by the fact that the surgical drape covers the face can be avoided.

The utility model relates to the technical field of edge cutting devices, in particular to an accurate edge cutting and material collecting structure of a medical operation towel transverse sewing machine, which comprises a base plate, a strip-shaped through groove is arranged at the top end of the base plate, cutting equipment is embedded in the strip-shaped through groove, and a storage mechanism is arranged on one side of the cutting equipment. The storage mechanism comprises a storage shell, the storage shell is fixedly mounted at the position, corresponding to the strip-shaped through groove, of the bottom end of the base plate, a guide block is embedded in one side of the cutting equipment in the strip-shaped through groove, a hydraulic rod is embedded in the outer wall of the storage shell, and a moving frame is fixedly mounted at the power output end of the hydraulic rod; through blocking and guiding of the guide block and cooperation with the motor and the rotating roller, the waste collecting device can rotate to abut against waste, the waste penetrates through the containing shell and enters the collecting shell to be collected in a unified mode, and the situation that the waste is loosened or deviated, so that the waste cannot be completely collected, or the situation that blocking occurs due to air suction type collection is avoided.

The utility model relates to the technical field of medical instruments, and discloses a full-viscose non-woven fabric operation towel with a water absorption structure, which comprises an operation towel main body, and an opening is arranged in the operation towel main body. When the full-viscose non-woven fabric operation towel with the water absorption structure is used in the operation process, after the first connecting thorn face fixed to the rear end of the water absorption cotton is correspondingly pasted and fixed to the front end of the second connecting hair face, the water absorption cotton can be fixed to the outer side of the opening in the operation towel body, then the sticky face protection paper is torn off, and the operation towel is convenient to use. Then, the operation towel body is laid on the body of a patient, the absorbent cotton is attached to the outer side of the operation position through the four sets of pasting pieces, the operation position is exposed through the opening, in the operation process, seepage at the wound position can be absorbed by the absorbent cotton in time, seepage water outflow is reduced, and the hygiene during operation is improved; the problem that seepage cannot be conveniently absorbed in an auxiliary mode is solved.

The utility model discloses a surgical drape with external sterile area protection, which comprises a surgical drape body, binding belts are sewn on two sides of one end of the surgical drape body, a hole is formed in one end of the surface of the surgical drape body in a penetrating manner, and covering cloth is sewn on one side, close to the hole, of the top of the surgical drape body. An opening is formed in the upper end of the operation towel body, an annular bag arranged in an opening shape is sewn to the inner surface of the opening in the upper end of the operation towel body, a silica gel strip is inserted into the annular bag, a containing groove is formed in the inner surface of the silica gel strip, an LED medical lamp belt is fixedly connected to the inner surface of the containing groove, and the operation towel body and the covering cloth are arranged in different colors. The two ends of one side of the top of the covering cloth are sewn with drawstrings, the operation towel body and the covering cloth are both arranged in a double-layer mode, and a plurality of through grooves are formed in the inner surface of the annular bag. A sterile area can be formed at the tail end, so that the cleanliness of the periphery of an operation area is kept, and an auxiliary lighting condition is provided; the practicability of the operation towel body is improved.

The invention relates to the technical field of operation towel manufacturing equipment, and discloses an operation towel integrated coating and compounding device which comprises an unwinding mechanism, a coating mechanism, a drying mechanism, a compounding mechanism and a winding mechanism, the unwinding mechanism comprises a first unwinding assembly and a second unwinding assembly, the first unwinding assembly is used for unwinding a base film, and the second unwinding assembly is used for unwinding a base film; the second unwinding assembly is used for unwinding a protective film, the coating mechanism is used for coating a base film with a pressure-sensitive adhesive material, the drying mechanism is used for drying the pressure-sensitive adhesive material on the base film, the compounding mechanism is used for adhering the protective film to the base film through the pressure-sensitive adhesive material to form a composite film, and the winding mechanism is used for winding the composite film. The device can be suitable for laboratories or small-batch production, and integrated automatic operation of material conveying, coating, drying, compounding and rolling of the operation towel can be achieved.

The utility model relates to a laparoscope instrument storage bag, belongs to the technical field of medical instruments, and solves the problem that a connecting cable in an existing laparoscope is prone to being wound with other objects in the operation process, so that the connecting cable is damaged. The device comprises a first storage bag, a second storage bag, a connecting belt and a cable collecting device, the first storage bag and the second storage bag are fixedly connected with the two ends of the connecting belt respectively, the cable collecting device is arranged on the connecting belt, the first storage bag is used for storing endoscope type instruments, the second storage bag is used for storing forceps type instruments, and the cable collecting device is arranged on the connecting belt. The connecting belt is used for being fixed to an operation towel, and the cable collecting device is used for collecting and fixing a connecting cable in the laparoscope. The connecting cable in the laparoscope is collected and fixed on the connecting belt through the cable collector, so that the connecting cable can be effectively prevented from being damaged due to the fact that the connecting cable is easily wound with other objects in the process of laparoscopic surgery, and adverse effects on the surgery are avoided.

The utility model provides an operation towel production covering machine with an edge folding function. The operation towel production covering machine comprises a machine body, an unwinding part, an edge folding part, a winding part, a sewing part and a shaping part. An unwinding part is mounted on the left side of the top of the machine body; an edge folding part is mounted on the left side of the top of the machine body; the edge folding part is arranged on the right side of the unwinding part; a winding part is mounted on the right side of the top of the machine body; a sewing part is mounted on the right side of the top of the machine body; the sewing part is arranged on the left side of the machine body; a shaping part is arranged between the sewing part and the edge folding part; the shaping part comprises a bracket, a mounting plate, a screw rod, a hand wheel, a guide rod, a roller seat and an electric heating roller; the support is fixed to the edge of the top of the machine body through bolts. Through the improvement of the structure, the hemming device has the advantages that the hemming device has a hemming and shaping structure, is smoother after being sewn, improves the hemming quality, is adjustable in height, and can adapt to hemming processing of cloth with different thicknesses, so that the problems and defects in the existing device are effectively solved and overcome.

The present invention belongs to the field of medical devices, and particularly relates to a bipolar electrocoagulation device for ophthalmic surgery and its usage method. Aiming at the problems of the existing device being inconvenient to place the bipolar electrocoagulation, and the placement and disinfection being relatively cumbersome and troublesome, the following solution is now proposed. It includes a main body and a forceps body connected to the main body. The forceps body consists of a mounting base, two connecting handles, two adjusting handles, two connecting seats, and two tweezer tips. Both of the two connecting handles are fixedly arranged at one end of the mounting base. The adjusting handle is adjustably arranged at the other end of the connecting handle for increasing the surgical space. By detachably arranging the tweezer tips on the adjusting handle and enabling the angle between the adjusting handle and the connecting handle to be adjustable, the flexibility of use can be improved. And after use, the forceps body can be placed on a connection box, and during the placement process, the tweezer tips can be wrapped and protected by two surgical towels. Moreover, high-temperature steam can enter the connection box to disinfect the tweezer tips, making the use more convenient.

The utility model discloses a combined type elastic operation pasting film. A combined type elastic operation pasting film comprises a first attaching film used for being attached to a limb in a winding mode, the first attaching film is of a strip-shaped structure, and the first attaching film is made of elastic materials; a second attaching film used for being attached to the operation towel sheet is further included, a lower adhesive layer used for being attached to the operation towel sheet is arranged on the lower side of the second attaching film, and the second attaching film is connected with the lower release paper layer through the lower adhesive layer; the upper side of the second attaching film is provided with a side pocket structure used for containing instruments, the outer edge of the second attaching film is connected with a strip-shaped structure extending outwards, the upper side of the strip-shaped structure is provided with an upper adhesive layer, and the strip-shaped structure is connected with the upper release paper layer and the upper side of the second attaching film in a switching mode through the upper adhesive layer. By optimizing the structure of the first attaching film, the combination of the functions of the operation pasting film and the blood expelling belt is realized, and meanwhile, the second attaching film is additionally arranged, so that the functionality of the operation pasting film is improved.

The utility model provides a lacing type surgical drape, and relates to the technical field of surgical auxiliary articles. Comprising the steps that the body of a patient is covered with an operation towel, a hole is formed in the operation towel, tying belts are arranged on the two sides of the operation towel, fixing pieces are used for stably connecting the two tying belts on the two sides of the operation towel, and a positioner is movably installed between the two tying belts. The laces are firmly fixed to the two sides of the operation towel through the fixing pieces, the two laces are fixed through the positioners, the situation that the bottom ends of the two laces fall under an operation bed and affect rotary scanning of a C-arm CT scanner is prevented, the operation towel can be used only by cutting the operation towel with the approximate size and installing the laces, the fixing pieces and the positioners one by one, and the operation towel is convenient to use. The problems that when a thin film type operation towel is used for covering the specific part of a patient, winding is prone to being generated, strong pulling is caused, the operation sheet is separated from the patient, medical accidents are caused, and the life safety of the patient is harmed are solved.

1. Name of the product in this design: Cloth Pliers. 2. Purpose of this design: This design is a surgical instrument used to fix a surgical drape that covers the surgical incision during surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A surgical support system, comprising: a manipulator arm assembly in control communication with a surgeon console so as to receive control signals from the surgeon console, the manipulator arm assembly comprising: a first manipulator link extending between opposite ends; a drape guide lip extending from one end of the opposite ends of the first actively controlled manipulator link; and a second manipulator link coupled to the first manipulator link wherein the second manipulator link comprises a plurality of instrument manipulator assemblies configured to couple with and transmit force to a medical instrument, wherein the second manipulator link is configured to move relative to the first manipulator link and under the drape guide lip, wherein the drape guide lip is a barrier between contact of a first drape portion covering the second manipulator link with a second drape portion covering the first manipulator link.

The utility model relates to the technical field of surgical towel manufacturing and processing, and provides a cutting device for surgical towel manufacturing, which comprises a working table, a supporting piece is fixedly mounted at the bottom of the working table, and two electric push rods are fixedly mounted on two sides of the top of the supporting piece and close to the outer side of the working table. The four electric push rods are divided into two groups in pairs, connecting columns are fixedly mounted at the tops of the two groups of electric push rods, cutters are fixedly mounted on the opposite sides of the two connecting columns, two connecting plates are fixedly mounted on the opposite sides of the two connecting columns, and a plurality of telescopic rods are fixedly mounted at the bottoms of the two connecting plates; when the surgical towel cutting device is used, through the structures such as the electric push rod and the telescopic rod, it can be ensured that the rubber soft cushion is accurately attached to the top of a surgical towel, the surgical towel is positioned, the surgical towel can be effectively prevented from being dislocated or moving in the cutting process, and therefore the cutting precision and accuracy are improved.

The utility model provides a hanging type operation towel counting device which comprises a hanging frame, and a hanging hook is installed on the top of the hanging frame. The two side edges of the hanging frame are each provided with a plug pin blind hole in the horizontal direction, and the two plug pin blind holes are each internally provided with a plug pin mechanism. The two sides of the bottom of the hanging frame are each provided with a hanging lug blind hole. Comprising more than one hanging bag, each hanging bag comprises a substrate, and more than one counting bag is arranged on the front surface of each substrate; the two sides of the top edge of the substrate are each provided with a hanging lug, and the two sides of the bottom edge of the substrate are each provided with a hook. The two hanging lugs are arranged in the two hanging lug blind holes respectively and connected with the tail ends of the corresponding pins in an inserted mode respectively, or the two hanging lugs are correspondingly connected with the two hooks of the other hanging bag in a hung mode respectively. The technical problems that in the prior art, the counting efficiency is low, waste operation towels drop body fluid to pollute the environment, and medical workers are prone to making contact with the operation towels are solved.

An intraoperative waste liquid drainage device comprises a communicating pipeline with the head end and the tail end connected, an operation area is formed in the center of the communicating pipeline, a liquid drainage channel is formed in an inner cavity of the communicating pipeline, and at least one drainage hole communicated with the liquid drainage channel is formed in the side, close to the operation area, of the communicating pipeline. The side, away from the operation area, of the communicating pipeline is provided with a negative pressure connector communicated with the liquid drainage channel and used for being connected with an external negative pressure device, the side, away from the operation area, of the communicating pipeline further extends outwards to be provided with a fixed supporting plate, and the bottom of the communicating pipeline and the bottom of the fixed supporting plate are provided with adhesive tapes used for being bonded with the skin of a patient. The device is easy and convenient to operate, the tedious operation towel folding step is omitted, waste liquid can be rapidly, effectively and stably discharged, the fixing supporting plate can stabilize when a rubber strip of a communicating pipeline makes contact with the waste liquid for a long time and consequently the communicating pipeline is loosened, side leakage is avoided, and the stability and reliability of the device are improved.