45 results about "Abdominal drainage" patented technology

The invention discloses an anti-blockage unblocking apparatus with abdominal cavity drainage tubes, and belongs to the field of auxiliary medical apparatus and instruments. The anti-blockage unblocking apparatus comprises an outer drainage tube and an inner lead-in tube. The inner lead-in tube is arranged in the inner center of the outer drainage tube and is used for leading in air or irrigating fluid, an orifice at the head of the outer drainage tube is closed, through holes are formed in the tube wall of the outer drainage tube, and a sealing block piece is arranged between the head of the inner lead-in tube and the outer drainage tube; first fan blade groups are further arranged on the inner lead-in tube and can rotate, so that blocking substances which remain in the through holes in regions can be crushed layer by layer; a limit component is arranged inside the position, which penetrates body surface tissues, of the outer drainage tube and are fixed onto the inner lead-in tube, rotatable first connecting rods are arranged between portions of the outer drainage tube, and the tube wall of the outer drainage tube can be constantly supported; a first lantern ring and a second lantern ring sleeve the portions, which are positioned on the outer sides of the body surface tissues, of the outer drainage tube and are connected with each other by double hinged second connecting rods,an adhesion layer is arranged on the bottom surface of the first lantern ring, and a sealing bag is arranged between a hinged position of the corresponding second connecting rod and the first lanternring. The anti-blockage unblocking apparatus has the advantages of comprehensive anti-blockage effects and functions and excellent anti-blockage unblocking effects.

An intelligent control and monitoring system for thoracic / coeliac drainage is composed of a core processor (1), a flow control device (2), a drop counting sensor (3), a pressure sensor (4), a coloridentification sensor (5), a communication module (6), a pipeline squeezing device (8), a radio frequency identification device (9) and a human-computer interaction interface (11). The intelligentcontrol and monitoring system for the thoracic / coeliac drainage not only greatly enhances the safety of the thoracic / coeliac drainage, but also greatly reduces the work strength of nursing and improves the effectiveness of hospital information management.

The invention discloses an abdominal cavity drainage device with a flushing function for hepatobiliary department. The device comprises an irrigating device and a drainage tube, the right side of theirrigating device is provided with a power supply interface, a water conveying port on the irrigating device is fixedly connected to an irrigating tube, the left side of the flushing device is fixedlyconnected to a drainage disinfection device, the upper surface of the drainage disinfection device is penetrated by the drainage tube and is fixedly connected to the drainage tube, the drainage disinfection device comprises a shell, and the right side of the shell is fixedly connected to the left side of the irrigating device. Through the matching use of the structures, the invention solves the problems that: in the clinical practical operation process, due to the fact that drainage tubes are easy to generate backflow in the use process, the sucked liquid fluid flows back to the abdominal cavity of a patient again so as to bring discomfort to the patient and to cause secondary infection easily, and the sucked liquid fluid is difficult to quickly and effectively sterilize so as to bring inconvenience to the use.

The invention discloses an abdominal-cavity drainage device. The device includes a main machine, a collection box, a shunt pipe and a drainage pipe; the shunt pipe includes a backflow pipe and a pressure pipe, the head end of the backflow pipe is provided with a shunt-pipe joint, the head end of the pressure pipe is communicated with the head end of the backflow pipe through a pressure branch pipe, and the tail end of the backflow pipe and the tail end of the pressure pipe are provided with a backflow interface and a pressure interface respectively; the collection box is provided with a backflow-pipe interface and a negative-pressure interface; an electromagnetic valve, a first pressure sensor, a second pressure sensor and a negative-pressure pump are arranged in the main machine, and the side wall of the main machine is provided with a main-machine pressure interface and a main-machine negative-pressure interface; the main-machine negative-pressure interface is communicated with the electromagnetic valve and the first pressure sensor through flexible pipes; the main-machine negative-pressure interface is communicated with the second pressure sensor and the negative-pressure pump through flexible pipes. By the adoption of the abdominal-cavity drainage device, the pressure can be accurately controlled, and the abdominal-cavity drainage device is conductive to improving the efficiency and quality of drainage.

The invention discloses an abdominal cavity drainage device with a flushing function for a hepatology internal department. The device comprises a base of which the lower surface is connected with a castor through a foot stool. The left of the upper surface of the base is provided with a support of which the upper end is provided with a needle. According to the abdominal cavity drainage device with the flushing function for the hepatology internal department, through the cooperation of a micro-infusion-pump and an external cavity, the abdominal cavity can be rinsed. Through the cooperation of a temperature sensor and heating equipment, medicine liquid needed by rinsing can be heated, and thus treatment of a patient is facilitated. The castor is arranged so that the device can be convenient to move, and the burden of workers is reduced. Through the cooperation of a vacuum pump and a solenoid valve, abdominal cavity hydrops can be drained well. Through the cooperation of a scanner and a display device, the drainage situation of the abdominal cavity hydrops can be more clearly shown. The whole device is used for achieving integration of rinsing and drainage, so that operation of doctors and treatment of patients are facilitated.

The invention relates to the technical field of medical catheters and specifically relates to a peritoneal drainage catheter. The peritoneal drainage catheter includes a drainage tube communicating with a guide tube. The guide tube is communicated with a negative drainage bottle. The front tube wall of the drainage tube is provided with three rectangular gaps, wherein two of the rectangular gaps are arranged symmetric about an axial lead and the other rectangular gap is disposed in the middle position of the two rectangular gaps symmetric to each other. A connection band is arranged between the rectangular gaps and the guide tube uniformly. The connection band is arc in shape. The inner side of the connection band is connected with a guide board. The middle part and the rear part of the drainage pipe are provided with drainage holes arranged irregularly and having different shapes. The front outer wall of the guide pipe is sleeved with an air bag communicating with the guide pipe. The front part of the guide pipe is arranged in the guide pipe. The tail part of the guide pipe is arranged outside the guide pipe. By the design of the rectangular gaps and the drainage holes arranged irregularly and having different shapes of the drainage pipe, the catheter is not easy to get blocked by blood clots, necrotic tissues and the like, so that drainage smoothness is ensured.

The invention provides a fixed abdominal cavity drainage tube capable of avoiding suture, belongs to the technical field of medical apparatus and instruments, and aims to overcome defects that pain or even tissue necrotic infection can be caused, sutures easily loose or fall off, a drainage tube can be displaced and the like due to the fact that skin can be stretched when a conventional drainage tube is fixed. An airbag is arranged on a drainage tube main body made of soft rubber or a silica gel material; an external fixing device which can be separated from the drainage tube is arranged on a far side of the airbag; a hole through which the drainage tube can penetrate is formed in the external fixing device; the part where the drainage tube is in contact with the external fixing device is narrowed under pressure and can be clamped by the external fixing device. The fixed abdominal cavity drainage tube is capable of preventing a patient from a series of complications caused by suture traction, and is definite and reliable in fixation effect, simple in structure and convenient to use, and applicable to various abdominal surgical operations.

The invention discloses a thoraco-abdominal cavity drainage tube which comprises a guide tube. Two ends of the guide tube are a drainage input end and a drainage output end, wherein the drainage inputend is inserted into a thoraco-abdominal cavity, and the drainage output end remains outside the thoraco-abdominal cavity. The drainage input end is provided with a plurality of drainage holes, a floodable flexible water bag sleeve externally sleeves the drainage tube and is connected with a water injection component and provided with a wrapping portion, the wrapping portion tightly wraps the guide tube when water is not injected into the flexible water bag sleeve, the wrapping portion is expanded to form an expanding inner cavity after water is injected into the flexible water bag sleeve, the drainage input end and all the drainage holes are positioned in the expanding inner cavity, and the wrapping portion is provided with a plurality of filter holes communicated with the expanding inner cavity and an external environment. The thoraco-abdominal cavity drainage tube has the advantages of simple structure, low cost, convenience in use and operation, capability of realizing thorough drainage without adjustment and the like.

The invention relates to a medical apparatus, in particular to a shoulder-protecting type upper limb restraint strap. The shoulder-protecting type upper limb restraint strap comprises a shoulder protector, sleeves and fixing fasteners, wherein the shoulder protector is in a round-collar cardigan type, the lower edge of the cardigan is parallel to the armpits, the sleeves are respectively arranged at two sides of the shoulder protector, and the fixing fasteners are respectively arranged at the upper edge and the lower edge of each sleeve. According to the shoulder-protecting type upper limb restraint strap provided by the invention, the sleeves of the shoulder-protecting type upper limb restraint strap are used for sufficiently preserving heat, protecting and restricting the limbs, preventing multiple complications caused by low body temperature in an operation or preventing the limbs from being injured by pressing or scratched as well as preventing electric injury when the skin is in contact with metal in the using of an electrotome and also has the capabilities of continuously preserving heat and restricting limbs after the operation, providing convenience for heat preservation of the shoulders and limbs of patients with thoracic and abdominal drainage tubes and observation of the drainage tubes, restricting the limbs and preventing the tubes from pulling out accidentally, and therefore the comfort level and the safety level of the patients are greatly improved when the patients are in hospital.

The invention discloses an abdominal cavity drainage device having the flushing function and used for the hepatology internal medicine department. A liquid accumulation tank, a water storage tank anda material storage tank are formed in a box body. A drainage pipe is arranged at the top end of the box body. The bottom end of the drainage pipe is located in the liquid accumulation tank. Two firstconnecting tanks and a second connecting tank are formed in the drainage pipe. An air outlet hole is formed in the side surface of the drainage pipe. The bottom end of the air outlet hole is connectedwith the second connecting tank. A supporting plate is arranged in the liquid accumulation tank. An air pump is arranged at the top end of the supporting plate. An air conveying pipe is arranged at one end of the air pump. One end of the air conveying pipe is located in the second connecting tank. A submersible pump is arranged in the water storage tank. A water conveying hard pipe is arranged atthe top end of the submersible pump. Two connecting holes are formed in one end of the water conveying hard pipe. A water conveying hose is arranged at one end of the connecting holes. One end of thewater conveying hose is located in the first connecting tank. A storage battery, a control panel and a wireless sending module are arranged in the storage tank. According to the invention, the flushing and drainage functions are achieved, and the drainage effect is good.

The invention discloses a catheter drainage device for biliary and pancreatic surgery. The catheter drainage device comprises T-shaped catheter that is made of a bile indwelling catheter and a curvedplate having concave middle part. The upper end of the bile indwelling catheter is fixedly connected with the middle part of the lower side of the curved plate. A pancreatic catheter is sleeved on theinterior of the bile indwelling catheter. The lower end of the pancreatic catheter penetrates through side wall of a diverter valve and extends to outside of the diverter valve. The upper end of thepancreatic catheter successively penetrates through the bile indwelling catheter and the side wall of the curved plate and extends to outside of the curved plate. According to the invention, the pancreatic catheter is sleeved on the interior of the bile indwelling catheter to combine the pancreatic catheter and the bile indwelling catheter into a whole, thereby reducing amount of punctures on abdominal wall of a patient and reducing incidence of leakage complications caused by placement of an abdominal drainage catheter. The curved plate of the T-shaped catheter is placed at a bilioenteric anastomosis, and then the T-shaped catheter can be stably fixed in the body of the patient, thereby avoiding occurrence of shedding phenomenon.

The invention discloses a magnetic peritoneal drainage tube device. The magnetic peritoneal drainage tube device comprises a drainage tube, an inner core arranged in the drainage tube and a magnetic controller arranged in vitro, wherein the inner core is magnetic, and the magnetic inner core enables the head end of the drainage tube to change the drainage position in vivo under the action of the magnetic controller; the magnetic inner core is provided with an air bag at the head end in vivo and is provided with an air extractor at the tail end in vitro, and the air extractor is communicated with an air guide tube arranged in the magnetic inner core. The magnetic peritoneal drainage tube device is simple in structure, can be used for accurately adjusting the head end of the drainage tube according to the specific drainage position after the drainage tube enters a body, and provides reliable guarantee for smooth drainage.

The invention relates to a thoracic and abdominal cavity drainage tube fixing device, and belongs to the technical field of medical appliance equipment. The device comprises two adhesive tapes, restraint straps and a through tube; the top surface of each adhesive tape is provided with a locking belt and a locking catch, and the locking belt is matched with and connected to the locking catch to form a group of contraction device; the restraint straps are arranged on the top surfaces of the adhesive tapes and are used for winding around the through tube and the drainage tube; and the through tube is provided with a drainage cavity along the axis, the drainage cavity is used for penetrating the drainage tube, and the two adhesive tapes are arranged at two sides of the through tube. When in use, the drainage tube penetrates the through tube and the drainage tube is fixed, the two adhesive tapes are stuck on the skin at the two sides of the through tube, the locking belt and the locking catch are fastened for horizontal fixation, and the restraint straps wind around the through tube and the drainage tube for longitudinal fixation. Compared with the traditional invasive suture mode, thedevice can not cause damage to the skin around the drainage tube and organ tissues in the thoracic and abdominal cavity, and the locking device horizontally fixes the restriction straps and longitudinally fixes the drainage tube, so that the pressure on the surrounding skin can be properly increased for the drainage tube penetrating out of the base, and the operation is convenient.

The invention relates to a multifunctional abdominal drainage tube. The abdominal drainage tube comprises an abdominal drainage tube body, the abdominal drainage tube body comprises an upper-segment V-shaped hose, a middle-segment shapeable plastic tube and a lower-segment abdominal tube, the V-shaped hose is fixedly connected with the shapeable plastic tube, and the shapeable plastic tube is fixedly connected with the abdominal tube and provided with a first tube body and a second tube body, wherein the front end of the first tube body can be automatically bent into a pigtail-like structure,and the rear end of the second tube body can be automatically bent into a pigtail-like structure. The first tube body and the second tube body can be automatically bent into the two pigtail-like structures to fix the abdominal drainage tube body and prevent the abdominal drainage tube body from slipping off and entering the abdominal cavity; when the abdominal drainage tube body needs to be removed, a force can be directly performed on an external shapeable part, and the shapeable part can be shaped into a linear shape and pulled out of the body. Not only can the abdominal drainage tube be fixed to prevent the abdominal drainage tube from slipping off and entering the abdominal cavity, but also extra pain caused by fixing the drainage tube can be reduced.

The invention belongs to the field of medical instruments, and particularly relates to an abdominal cavity drainage device used for the surgical department. The abdominal cavity drainage device is characterized in that one end of a drainage tube is provided with a drainage connector, the other end of the drainage tube is connected with a sleeve, a pull rod is arranged at one end of the sleeve, and a handle is installed on the sleeve and located at the outer side of the pull rod; one end of the first connecting tube is connected with the sleeve, the other end of the first connecting tube is connected with the upper portion of the drainage storage bottle, one end of a second connecting tube is connected with the upper portion of the drainage storage bottle, and the other end of the second connecting tube is connected with the drainage tube; a ventilating tube is arranged at the top of the drainage storage bottle, a liquid drain tube is arranged at the bottom of the drainage storage bottle, and a ventilating valve and a millipore filtering film are installed on the ventilating tube. As the pull rod and the sleeve are arranged, when a large amount of liquid exists in the abdominal cavity and needs fast drainage, a valve of the second connecting tube is closed, the pull rod is pulled, the liquid enters the drainage storage bottle along the drainage tube and the first connecting tube to achieve fast drainage, and the liquid drain speed is increased.

The invention discloses an abdominal drainage tube. The abdominal drainage tube comprises a drainage head, wherein the front end of the drainage head adopts a cambered surface; front end holes are formed in the front end of the drainage head; side holes are formed in the side wall of the drainage head; outer grooves and inner grooves are formed in the outer wall and the inner wall of the drainage head at intervals respectively; the side holes are formed in common walls of the outer grooves and the inner grooves, namely the side holes are hidden in the outer grooves. During drainage, even if a body tissue is tightly adhered to the outer wall of the drainage head, the side holes are not blocked due to the relatively narrow outer grooves; in addition, the inner grooves make the inner wall of the drainage head unsmooth, the drainage head is axially pressed, and even if a main passage in the drainage head is closed, the inner grooves can still form a drainage passage, so that smooth drainage is ensured, the drainage efficiency can be effectively improved, and suffering of a patient are reduced.

An abdominal cavity drainage tube with a washing function comprises a drainage tube, wherein a washing tube is arranged on the side wall of the drainage tube, the tail end of the washing tube is separated from the drainage tube, and a connector of the washing tube is connected with the tail end of the washing tube. The head end of the drainage tube after being cut into a head end with a plurality of side holes can be placed in an abdominal cavity of a patient in operation. The tail end of the drainage tube and the connector of the washing tube are placed outside the abdominal cavity of the patient. During washing, washing liquid enters the washing tube through the connector of the washing tube, then enters the abdominal cavity, and flows out from the drainage tube. The abdominal cavity drainage tube has washing and drainage functions, avoids replacement of a tube when a single-channel abdominal cavity drainage tube is used in clinic, reduces opportunities of clinic operations and patient infection, and overcomes the structural defect of abdominal cavity washing and drainage double-tube.

The invention discloses an abdominal drainage device for medical oncology. The abdominal drainage device comprises a box body, wherein partition plates are fixedly arranged on the left side and the right side of the interior of the box body in a sealed mode; receding holes are integrally formed in the middle ends of the interiors of the partition plates; a suction mechanism is rotationally arranged on the right side of the interior of the box body; a push injection mechanism is rotationally arranged on the left side of the interior of the box body; a spraying mechanism penetrates through a taper thread at the lower end of the left side of the box body; a collecting mechanism penetrates through a taper thread at the lower end of the right side of the box body; the spraying mechanism and the collecting mechanism are fixedly sleeved with silica gel sleeves; lifting pins are fixedly arranged at the tops of the suction mechanism and the push injection mechanism; a control mechanism is fixedly arranged at the top end of the interior of the box body; a driving mechanism is fixedly arranged at the middle end of the interior of the box body; and connecting plates are fixedly arranged on the left side and the right side of the interior of the box body. According to the device, in the drainage process of a patient, the drainage part of the patient can be flushed, so that the cleanliness of the drainage part of the patient is improved by using the device.

The invention discloses a medical abdominal drainage device. The device is provided with a drainage pipe, a fiber bundle loose pipe, a switch power supply, a time circuit and an electroacoustic transducer, a flushing side pipe is arranged at the right side end of the drainage pipe, and the lower end of the flushing side pipe is of an open structure; three lateral openings are formed in the lower end of the right side of the flushing side pipe, drainage holes are formed in the front and back sides of the lower portion of the drainage pipe from to top to bottom every 0.5 cm, and a developing line is coated on the front internal side wall of the drainage pipe from top to bottom; a scale line with the length of 20 cm is arranged on the outer side of the drainage pipe, the fiber bundle loose pipe is a rubber tube made from PVC materials, and liquid outlet pipes of a three-way connecting pipe body are inserted in the other end of input pipes of the abdominal drainage device body; one of thetwo input pipes of the three-way connecting pipe body is inserted in the drainage pipe, a liquid outlet pipe of a cleaning equipment body is inserted in the upper end of the flushing side pipe, and the switch power supply, the time circuit and the electroacoustic transducer are installed in a shell of the abdominal drainage device body and connected with the abdominal drainage device body througha wire. The medical abdominal drainage device provides convenience for drainage.

The invention discloses an abdominal drainage tube fixing assembly and method for jointly clamping inside and outside the abdominal wall, and relates to the technical field of medical supplies. The abdominal drainage tube fixing assembly comprises a drainage tube, a hard sleeve, a flexible sleeve, an inner locking ring and an outer locking ring, wherein a buckle is arranged at one end of the hard sleeve, a chute is arranged at the other end of the hard sleeve, and a bayonet is arranged in the chute; a plurality of kidney-shaped holes are formed in the flexible sleeve, strip-shaped petals are formed between the adjacent kidney-shaped holes of the flexible sleeve, and the hard sleeve is movably sleeved with the flexible sleeve; external threads are arranged on the outer circular surface of the inner locking ring, convex teeth are arranged in an inner hole, and the inner locking ring is movably sleeved on the hard sleeve; an annular flash is arranged at one end of the outer locking ring, and an inner thread is arranged in the inner hole. The abdominal drainage tube indwelling and extubating training method is applied to an abdominal drainage tube fixing assembly jointly clamped inside and outside the abdominal wall, and acts on a human body abdomen model. The abdominal drainage tube fixing device solves the problem that a wound or external skin is easily injured due to infirm fixing.

The invention discloses a novel abdominal cavity drainage tube. The novel abdominal cavity drainage tube comprises a guiding tube made from a plastic material. The bottom end and the top end of the drainage tube are open ends, a pair of circular balloons which are arranged up and down along the axial direction of the guiding tube fixedly sleeve the outer contour surface of the guiding tube, communicating tubes communicating with the cavities of the circular balloons are fixed on the two circular balloons, and latex air bags with exhaust valves are fixed at the other ends of the communicating tubes. When the novel abdominal cavity drainage tube is used for draining hydrops in the abdominal cavity, the novel abdominal cavity drainage tube plays the roles of preventing blockage, leakage, slippage and being free of fixation, and is worth being popularized.

The invention belongs to the technical field of medical instruments, and particularly relates to an abdominal drainage fixing device for digestive tract medical oncology, which comprises a main body, a waistband for limiting the main body is arranged on the outer side of the main body, a support for fixing one end of the main body is arranged on the outer side of the waistband, and a support block for supporting the main body is arranged at the upper end of the support. After the main body is placed at the upper end of the supporting block, the pressing belt is pulled to enable the clamping plate to be connected into the clamping groove in a clamped mode, at the moment, pressure can be formed on the main body through elasticity of the pressing belt to fix the main body, discomfort of the wound portion of a patient during operation can be avoided, and the using effect is improved; after the sliding block is connected into the limiting seat in a sliding mode, the limiting pin is connected into the sliding hole in a clamped mode, the support and the limiting seat can be connected into a whole to be fixed, the structure is simple, the using position of the body can be conveniently adjusted according to the wound surface positions of different patients, and meanwhile impurities can be prevented from being left on the outer side of the skin of the patient.

The invention relates to a novel thoracic and abdominal cavity drainage tube, and aims to provide a novel thoracic and abdominal cavity drainage tube which is simple in structure, convenient to operate and capable of being operated by one hand. The novel thoracic and abdominal cavity drainage tube comprises a drainage tube body, a capsule filled with colloid and an extruding part used for extruding the capsule, the capsule is arranged on the outer wall face of the wall of the drainage tube body, and the portion, located on the capsule, of the outer wall face of the drainage tube body is sleeved with the extruding part capable of moving up and down. The novel thoracic and abdominal cavity drainage tube has the following advantages of being simple in structure, simple in fixing mode, capable of being fixed firmly, easy to operate, ingenious, convenient to carry and suitable for serving as a military medical instrument.

The invention discloses an abdominal drainage puncture device. The device comprises a puncture outfit, a sleeve, a first valve cover, a middle valve cover and a second valve cover. The sleeve is sequentially connected with the first valve cover, the middle valve cover and the second valve cover in the vertical direction, the first valve cover is connected with a first silica gel valve, and the second valve cover is connected with a second silica gel valve. The side wall of the middle valve cover is provided with a drainage pipeline extending outwards, and the drainage pipeline is connected with at least one three-way valve. The puncture outfit sequentially penetrates through the second valve cover, the first valve cover and the sleeve. By means of the device, when drainage paracentesis is carried out, the device can enter the abdominal cavity in a puncturing mode, and then effusion in the abdominal cavity is safely pumped out through negative pressure through the drainage pipeline and the three-way valve which are arranged between the first silica gel valve and the second silica gel valve.

The invention relates to an abdominal drainage device which belongs to the field of medical devices, and comprises a puncture needle, a guide wire, an expansion sheath, a drainage sheath and a drainage bag, wherein a fixing unit and a switching unit are arranged on the drainage sheath. The abdominal drainage device is characterized in that a plurality of drainage holes are formed at the front end of the drainage sheath, the rear end of the drainage sheath is provided with a helical device, the helical device is connected with a switch, and the other end of the switch is connected with the drainage bag. The abdominal drainage device realizes the continuous drainage function without repeated abdominocentesis, and is easy and simple operate, the patient infection probability is reduced, and the early recovery of a patient is benefited.

The invention discloses a novel peritoneal drainage device for treatment in the internal medicine department of liver. The device comprises a drainage pipe and a drainage bottle, wherein the drainagepipe is sealed and embedded in the drainage bottle; the drainage bottle comprises an inner bottle and an outer bottle, the inner bottle is embedded in the outer bottle, a bottle cap is arranged at thetop end of the inner bottle, a drainage pipe interface is arranged on the bottle cap, an inner scale table is arranged on the wall of the inner bottle, a limiting block is arranged at the embedded end of the inner bottle, the limiting block and the inner bottle are of an integrated structure, a rubber membrane cover is nested on the limiting block and fixed on the limiting block through screws, locking holes and an outer scale table are formed in the wall of the outer bottle, and a liquid discharging pipe is arranged at the bottom of the outer bottle. By means of the design of the drainage bottle of the telescopic structure, in the drainage process, when more hydrops exists, the volume of the drainage bottle can be increased by stretching the outer bottle, and the tedious problem caused by replacement of the drainage bottle in the drainage process is solved.