99 results about "Drainage catheters" patented technology

The drainage catheter device is composed of a soft drainage tube, a homogeneous transparent body and a visual module based on integration of a light source and a camera, the head end of the homogeneous transparent body is arc-shaped, the tail end of the homogeneous transparent body is flat and is matched with and connected with the diameter of the drainage tube, and the length of the transparent body is larger than or equal to the object distance of the visual module. One or more side holes are formed in the side face, close to the tail end of the transparent body, of the drainage tube, and the side holes are drainage holes of the drainage tube. According to the drainage catheter device, a one-cavity dual-purpose using method is adopted, the drainage catheter device can be used as a visual cavity and can also be used as a drainage cavity, it can be guaranteed that the diameter of the soft drainage catheter body is small, and trauma to brain tissue is smaller.

The invention discloses a thoracic surgery pulmonary infection effusion drainage device and belongs to the technical field of medical instruments, the thoracic surgery pulmonary infection effusion drainage device comprises a drainage catheter structure, a filtering structure and a connecting assembly, the drainage catheter structure comprises an insertion tube, the two ends of the insertion tube are connected with a fixing tube and a hemispherical end respectively, and a partition plate is arranged in the insertion tube and the fixing tube; a plurality of drainage holes are formed in the end, close to the hemispherical end, of the insertion tube in the circumferential direction, and a medicine feeding hole is formed in the portion, above the drainage holes, of the insertion tube and communicated with the monitoring cavity. By means of the semispherical end and the drainage hole of the drainage catheter structure, lung tissue is prevented from being scratched when thoracic wall puncture is conducted, the lung tissue damage rate can be reduced to be smaller than or equal to 0.5%, drainage, pressure monitoring and drug administration are achieved through the double-cavity structure, one-time puncture is completed, and the pain of a patient is relieved; by arranging the partition plate, the drainage cavity and the monitoring cavity are isolated, liquid medicine is prevented from polluting an effusion sample, and the infection risk is reduced.

A histotripsy therapy system configured for the treatment of brain tissue is provided, which may include any number of features. In one embodiment, the system includes an ultrasound therapy transducer, a drainage catheter, and a plurality of piezoelectric sensors disposed in the drainage catheter. The ultrasound therapy is configured to transmit ultrasound pulses into the brain to generate cavitation that liquefies a target tissue in the brain. The drainage catheter is configured to detect the ultrasound pulses. An aberration correction algorithm can be executed by the system based on the ultrasound pulses measured by the drainage catheter to automatically correct for an aberration effect caused by the ultrasound pulses passing through a skullcap of the patient.

The utility model discloses a multifunctional biliary tract internal and external drainage tube combination device applied to a patient suffering from hilum cholangiocarcinoma. A drainage catheter is transited from a shaping area and an elastic cabin area to an internal drainage area to form a cylindrical cone; side holes are formed in the inner drainage area and the shaping area; a marker point is arranged between the inner drainage area and the missile cabin area, the missile cabin area is distributed between the inner drainage area and the shaping area, a one-way valve is arranged at the contact position between the shaping area and the missile cabin area, a hole channel is formed in the outer wall, extending into the marker point from the missile cabin area along the one-way valve, of the missile cabin area, and the hole channel forms a missile cabin in the missile cabin area. The magazine is used for placing radioactive particles; the hard support is used in cooperation with the drainage catheter, the hard support penetrates into the outer drainage area and then is pulled to the end of the inner drainage area, and the curled part of the shaping area of the hard support is straightened. The utility model can realize internal and external drainage and achieve the purpose of local tumor treatment, and is simple and convenient to operate and easy for medical staff to use.

The invention relates to an instrument for transferring cerebrospinal fluid in a ventricle into a body cavity of other parts of a human body, and particularly discloses a cerebrospinal fluid drainage catheter component and a drainage system.The cerebrospinal fluid drainage catheter component comprises a catheter body, a plurality of rows of main long holes which extend in the circumferential direction and are distributed at intervals in the axial direction are formed in the wall of the catheter body, and a plurality of drainage holes are formed in the main long holes; a plurality of protruding parts are arranged on the two linear hole walls of the main long hole so that the main long hole can be divided into a plurality of micro holes. The pipe wall occupied by each row of main long holes is a first section, and the pipe wall between each two adjacent rows of main long holes is a second section; the driving component is used for driving one of every two adjacent second sections to axially move relative to the other second section, so that one end, in the circumferential direction, of the main long hole axially moves relative to the other end of the main long hole, and the two linear hole walls of the main long hole generate relative dislocation movement in the circumferential direction; therefore, the protruding part disturbs the interior of the main long hole.

The utility model discloses a biliary tract inside and outside drainage device which comprises a drainage catheter, a fixing stay wire and a hard sleeve. The drainage catheter is composed of an inner drainage area, a narrow section covering area, a shaping area and an outer drainage area, and the interior of the drainage catheter is of a hollow structure. One end of the inner drainage area is designed into a cylindrical cone; a clamping table is arranged at one end of the outer drainage area and used for connecting a cap or a drainage bag; side holes penetrating through the inner cavity are formed in the outer walls of the inner drainage area and the shaping area; a marker point is arranged between the rear end of the side hole of the inner drainage area and the narrow section coverage area; the shaping area is curled into a loop in a natural state, and the shaping area can be straightened through the hard sleeve; the narrow section coverage area is distributed between the inner drainage area and the shaping area; the fixing stay wire comprises a fixing piece and a stay wire, and the tail end of the stay wire is connected with the fixing piece. The drainage catheter main body adopted by the utility model is made of a material with good biocompatibility; and internal drainage and external drainage can be realized. Multiple side holes are formed in the middle and the head end of the drainage tube, sufficient drainage is promoted, and infection risks are reduced.

The invention belongs to the technical field of nursing auxiliary tools, and discloses a stoma nursing device for gastrointestinal surgery, which comprises a stoma base, a fixing bellyband is sleeved on the stoma base, a drainage catheter is arranged in the stoma base, and the stoma nursing device further comprises a mistaken pulling prevention buffer piece arranged on the fixing bellyband and used for buffering and protecting the drainage catheter; the mistaken pulling prevention buffering piece comprises a fixing sleeve fixedly connected to one side of the fixing bellyband. A buffering structure is formed by the rotating rod and the volute spiral spring, when the drainage catheter is pulled by mistake, the cloth belt rotates along with the rotating rod to be released, traction external force is buffered through elasticity of the volute spiral spring, and damage caused by direct traction of the stoma is avoided; the mounting sleeve and the rotating plate lock the drainage catheter through the elastic cushion and the baffle ring to prevent the drainage catheter from moving and falling off; meanwhile, a certain pulling force is only formed on the fixing bellyband during pulling, the stoma base cannot be affected, displacement and falling are avoided, smooth drainage is guaranteed, and the hidden danger of leakage caused by loosening is reduced.

A method of manufacturing a medical device includes forming a drainage conduit for removing fluids from a patient and forming one or more flexible delivery conduits for delivering medication. The delivery conduits are attached to and detachably disposed in channels on an exterior surface of the drainage conduit, each being substantially flush with the surface and peelable at one or both ends. The channels may partially surround the delivery conduits and include lips or friction features for retention. The method may include forming multiple channels, permanently attaching portions of the delivery conduits, and providing drainage holes along a length of the drainage conduit. Additional features may include attaching luer locks to the delivery conduits, constructing the conduits from flexible materials, and fabricating components via extrusion. Optional design variations include concentric delivery conduit placement, non-circular cross-sections, and threading to enable suturing or attachment to other medical components or devices.

The utility model relates to the technical field of pipeline leaking stoppage, in particular to an under-pressure fastening leaking stoppage which comprises a U-shaped bolt, a clamping plate is arranged on the left side of the U-shaped bolt, and an arc-shaped groove is formed in the middle of the right side of the clamping plate. A drainage guide pipe is fixedly connected to the middle of the right side of the U-shaped bolt, a blocking mechanism is arranged on the side, close to the clamping plate, of the drainage guide pipe, and a direction adjusting mechanism is arranged on the right side of the drainage guide pipe. Driving sleeves are symmetrically arranged in the two ends of the clamping plate, and a synchronous rotating mechanism is arranged between the clamping plate and the driving sleeves. By means of the synchronous rotating mechanism, synchronous rotation of the two driving sleeves is achieved, it is ensured that the two sides of the clamping plate are evenly stressed, the problems that in a traditional method, two nuts need to be tightened in stages, and torque is uneven are thoroughly solved, and sealing reliability and operation efficiency are remarkably improved.

The invention provides a urine volume monitoring system which solves the problem that the monitoring precision of automatic urine volume monitoring is usually influenced by the shaking of a pipeline of a drainage system. The system comprises a drainage catheter, an intelligent monitoring tube clamp, a urine bag and a bedside monitoring terminal, the intelligent monitoring tube clamp is used for being clamped on the tube wall of the drainage catheter, and an ultrasonic sensor, an optical color monitor and a liquid drop detection sensor are sequentially arranged in the intelligent monitoring tube clamp in the liquid flowing direction and attached to the tube wall of the drainage catheter. The ultrasonic sensor, the optical color monitor and the liquid drop detection sensor are all in communication connection with the bedside monitoring terminal. The bedside monitoring terminal solves the problem that a common pressure sensor or a gravity sensor is easily interfered by shaking of a pipeline through an ultrasonic sensor, extracts and identifies signal characteristics of bubbles from original signals of the ultrasonic sensor, compensates contained bubble data, avoids calculation distortion of accumulated urine volume, and improves the accuracy of calculation. And the workload and personal error of nurses are greatly reduced.

The invention discloses a pressurizing flushing device for hyperthermic intraperitoneal perfusion chemotherapy, and relates to the technical field of medical instruments. Comprising a puncture catheter and a multidirectional flow guide nozzle, the puncture catheter comprises a catheter body, multiple sets of supporting cavities are formed in the catheter body in the length direction, the supporting cavities are communicated through second air inlet channels, and the supporting cavities are of an arc-shaped structure; the end part of the guide pipe body is connected with a multidirectional flow guide nozzle; one end of the nozzle main body is connected with a drainage guide pipe; the drainage catheter is used for connecting a chemotherapy pump machine; the nozzle body comprises a sprayer and a connecting pipe. The other end of the connecting pipe is connected with the drainage catheter; a plurality of through holes are formed in the spray head; and a rotor is rotationally arranged in the connecting pipe. The catheter is prevented from being bent and collapsed under the action of external force such as extrusion of visceral organs in the abdominal cavity and body position change, and it is ensured that a liquid medicine conveying channel is smooth; in addition, the contact uniformity of the liquid medicine and the abdominal cavity wall, especially the peritoneal micro transfer focus, is obviously improved.

The application discloses a kind of infiltration auxiliary hydrophilic coating drainage catheter related to drainage catheter technical field.It includes the adhering plate, the adhering plate is provided with through-hole, the adhering plate is provided with the infiltration shell in its through-hole, the infiltration shell is provided with infiltration hole, the infiltration hole of the infiltration shell is slidably connected with catheter, the infiltration shell is provided with the liquid guide hole being communicated with the guide groove, the adhering plate is slidably connected with the connecting pipe being communicated with the liquid guide hole of the infiltration shell, the connecting pipe is communicated with the liquid storage sac at the end away from the infiltration shell.The hydrophilic liquid in the liquid storage sac is made into the guide groove by extruding the liquid storage sac, the hydrophilic liquid is filled in the lower side of the guide groove, and the hydrophilic liquid is immediately contacted with the surface of the catheter and infiltrated, so that the risk of infection of the patient's incision is reduced.

The utility model relates to the technical field of medical instruments, in particular to a multifunctional medical drainage catheter fixing device which comprises a body, the top of the body is fixedly connected with a clamping assembly, and the top of the clamping assembly is fixedly connected with a catheter fixing and clamping assembly. The stress release sections at the two ends of the flexible rubber clamping groove are matched with the R angles added at the ports to further release stress, so that the stress is released through the stress release sections and the R angles of the flexible rubber when the drainage catheter is bent, the stress is not concentrated at one point, and the stress release structure is added at the position, extending out of the catheter fixator, of the drainage catheter. The drainage catheter fixing mechanism can prevent the drainage catheter from being bent and flattened due to stress concentration, the U-shaped buckle is utilized to enable the elastic wall to be lengthened and the needed pressing force to be smaller, and therefore the drainage catheter fixing mechanism can be used in a more labor-saving mode, and the drainage catheter can be fixed by adjusting the buckle position structure of the drainage catheter fixator, moving the buckle upwards and prolonging the elastic wall of the buckle. The use operation space is enlarged, and the operation of medical staff is facilitated.

The utility model discloses a drainage catheter melting head forming device which comprises a base, a translation driving mechanism, a mold base, a core needle base and a core needle. The translation driving mechanism is arranged on the base. The mold base is arranged on the base and located at the end, in the translation direction, of the translation driving mechanism. And the core needle seat is in transmission connection with the translation driving mechanism. The core needle is provided with a large-diameter body and a small-diameter body, the large-diameter body is connected to the core needle base, the small-diameter body is connected to one end of the large-diameter body, and a reinforcing core limiting table is formed between the large-diameter body and the small-diameter body. The translation driving mechanism can drive the core needle base to drive the core needle to get close to or away from the mold base. According to the drainage catheter head melting forming device, in the drainage catheter head melting process, one end of the reinforcing core can abut against the limiting table, the translation driving mechanism drives the core needle base to move horizontally to be close to the mold base, and when the head end of a catheter is pushed into a heated mold, the limiting table limits the reinforcing core to move backwards in the axial direction; and the end part of the produced drainage catheter is good in structural hardness, good in product quality stability and few in defective products.

The utility model discloses an antibacterial wound dressing which can effectively inhibit the growth of bacteria on a wound surface and ensure the comprehensiveness and durability of the antibacterial effect. The antibacterial instillation lavage type negative pressure drainage wound protecting device can accelerate wound healing, reduce infection risks and bring better treatment experience and rehabilitation effect to patients. The antibacterial instillation and lavage type negative pressure drainage wound protecting device comprises a skin sealing pasting film, a medical foam sponge, an antibacterial amino acid group polymer foam sponge and a dressing pad which are sequentially arranged from top to bottom; a silica gel drainage catheter is arranged on the medical foam sponge; and a silica gel instillation lavage microtube is arranged between the antibacterial amino acid-based polymer foam sponge and the dressing pad. By adopting the antibacterial instillation lavage type negative pressure drainage wound protecting device, the infection risk can be reduced, and the treatment effect and the satisfaction degree of a patient can be improved.

The utility model discloses a drainage catheter measuring device for surgical operation, which relates to the technical field of drainage catheter measuring devices and comprises a drainage tube body, a negative pressure suction ball body, a drainage liquid measurer body and a drainage bag body, and the bottom end of the drainage tube body is fixedly connected with the top end of the negative pressure suction ball body. A first connecting pipe is fixedly connected between the bottom end of the negative pressure suction ball body and the top end of the drainage liquid measurer body, a second connecting pipe is fixedly connected between the bottom end of the drainage liquid measurer body and the top end of the drainage bag body, and the bottom end of the drainage bag body is fixedly connected with a liquid discharging pipe. And the outer wall of the negative pressure suction ball body is fixedly connected with a pressure control valve. The negative pressure suction ball body is used for keeping negative pressure, the drainage liquid measurer body is used for measuring drainage amount, the measured drainage liquid is squeezed into the drainage bag body, the drainage amount can be accurately recorded at any time in each shift, the change of the illness state of a patient can be closely observed, the chance of infection is reduced, and the workload of workers is also reduced.

The utility model discloses an opening and closing structure of a catheter, a clamping structure and a drainage catheter, the opening and closing structure of the catheter comprises a hold-down piece rotatably arranged on a catheter seat, the hold-down piece comprises a hold-down portion, the hold-down piece is arranged and the hold-down portion is positioned on one side of the catheter to conduct the catheter, and the hold-down portion is held down on the catheter to close the catheter by rotating the hold-down piece; the device can further comprise a blocking piece, the blocking piece is arranged on the guide pipe seat, the blocking piece is used for blocking the pressing and holding part from continuously rotating towards the guide pipe after the guide pipe is closed, the blocking piece comprises check blocks, and the check blocks are arranged on one side of the rotating center of the pressing and holding piece and one side of the pressing and holding part. The opening and closing structure of the catheter is not prone to falling off from the catheter base, and the catheter can be conveniently and effectively closed and opened.

The utility model relates to the technical field of medical instruments, in particular to a chest drainage catheter capable of being bent and shaped, which comprises a drainage catheter, a medical proof fabric is arranged on the drainage catheter, the drainage catheter is adhered and fixed on the skin on the surface of the chest wall of a patient through the medical proof fabric, and an opening is arranged between two ribs inside the chest wall of the patient. One end of the drainage catheter is inserted into the thoracic cavity through the opening. According to the thoracic cavity drainage catheter capable of being bent and shaped, the shape of the drainage catheter is kept unchanged through shaping of the shaping strips, the drainage catheter can be shaped at a proper drainage position in an operation, and the drainage catheter in the chest cannot shift along with respiratory movement of the thoracic cavity through fixing of the fixing rope and the medical proof fabric; and the drainage catheter outside the chest can also be shaped to be more attached to the chest wall, so that the compression of the drainage catheter on the insertion opening is reduced, and meanwhile, the condition of unsmooth drainage caused by folding of the drainage catheter is prevented.

This invention discloses an intraperitoneal infusion device, comprising: a hyperthermic chemotherapy perfusion machine; an infusion assembly including a connecting catheter connected to the hyperthermic chemotherapy perfusion machine, the connecting catheter being detachably connected to a drainage catheter, the drainage catheter being inserted into the abdominal cavity via a guidewire; a catheter positioning assembly including an annular mounting band tightened on the abdominal cavity, the annular mounting band having a central clearance hole on its side near the abdominal cavity, the inner side of the central clearance hole being fitted with an inner fitting for positioning the drainage catheter; and a catheter adjustment assembly for adjusting the offset direction of the drainage catheter, including an adaptive adjustment element mounted on the top surface of the annular mounting band, the top of the adaptive adjustment element extending to the drainage catheter, and the lower end of the adaptive adjustment element having a precision pressure measuring element that fits against the abdomen. This invention can adjust the state of the infusion tube in real time when the patient turns over, thereby ensuring stability during the infusion process.

The utility model discloses an adjustable leakage-proof drainage device, including drainage bag body, sucking disc, transparent additional bag, annular inflatable air bag, drainage catheter and fixed assembly, one side of drainage bag body is provided with drainage port and sucking disc, and one side of drainage bag body away from sucking disc is provided with transparent additional bag, and the bottom of transparent additional bag is provided with the opening, and the opening is provided with annular inflatable air bag, and drainage catheter sets up in annular inflatable air bag, and one side of drainage bag body still is provided with fixed assembly, through setting up transparent additional bag in one side of drainage bag body, and with drainage bag body intercommunication, and one end of drainage catheter is left in the body of patient, and the other end passes through transparent additional bag and drainage bag body, is used for the drainage effect, can fix and seal the drainage catheter of different diameter through annular inflatable air bag simultaneously, effectively avoids that transparent additional bag leaks and improves its practicality.

1. Name of the product in this design: Fixator (drainage catheter). 2. Purpose of this design: For fixing drainage catheters. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The nasobiliary drainage catheter comprises a catheter main body, one end of the catheter main body is provided with a bent part, the outer side of the bent part is provided with a plurality of drainage side holes, the right end of the catheter main body is of a conical cover structure, and the right end of the catheter main body is detachably connected with a backflow-preventing and disengagement-preventing connecting mechanism; the backflow-preventing and disengagement-preventing connecting mechanism comprises a round sleeve, and a plugging structure is arranged on the right side of the round sleeve. By arranging a series of structures, the end, located outside the human body, of the catheter body can be stably connected and communicated in an anti-disengagement mode, the risk that drainage is interrupted due to disengagement of the catheter body caused by mistaken pulling and other factors during use is reduced, and the connection stability is improved; and automatic unsealing is facilitated during negative pressure suction and flow suction, automatic self-sealing and backflow prevention are performed in the connecting sleeve when suction and flow suction work is stopped and suction force disappears, the phenomenon of infection potential safety hazards caused by medium backflow of suction and flow suction is reduced, and the using effect is improved.

The utility model belongs to the technical field of medical instruments, and particularly relates to a soft channel visual drainage catheter. Comprising a camera, an image decoding board, an aviation connector and a USB data line, one end of the image decoding board is connected with the camera through the aviation connector, and the other end of the image decoding board is connected with a notebook computer through the USB data line. By arranging the image decoding board, the image decoding board is respectively connected with the notebook computer and the camera, and when the image decoding board is damaged and cannot work normally, the image decoding board can be directly disassembled and replaced with a new image decoding board to be respectively connected with the notebook computer and the camera, so that time is saved, and normal work is prevented from being influenced. The image decoding board is connected with the camera through the aviation connector, so that the stability of connection between the image decoding board and the camera can be improved by utilizing the characteristics of the aviation connector, and stable transmission of image information is ensured.

The utility model relates to the technical field of indwelling drainage catheters, and discloses a disposable indwelling drainage catheter which comprises an anti-suction tube, a skin expanding tube needle and a drainage bag, the right end of the anti-suction tube is fixedly connected with a polyurethane tube, and the right end of the polyurethane tube is fixedly connected with a three-way valve type connector. A side pipe is fixedly connected to one side of the interior of the three-way valve type connector, a main pipe is fixedly connected to the other side of the interior of the three-way valve type connector, a hose is arranged on the right side of the main pipe, a controller is installed on the outer side of the hose, and a drainage catheter is fixedly connected to the interior of the drainage bag. According to the utility model, the main tube and the side tube can be fixed together through the connecting buckle, the space occupied by the main tube and the side tube in the catheter bag is reduced, the risks of collision and equipment damage of the main tube and the side tube are reduced, and the polyester ammonia tube can be fixed on the skin of a patient through the fixer, so that secondary injury to the patient caused by movement of the equipment is prevented.

The application discloses a drainage catheter melt head forming device, which comprises a base, a translation driving mechanism, a mold base, a core needle base and a core needle. The translation driving mechanism is arranged on the base, and the mold base is arranged on the base and located at one end of the translation driving mechanism along a translation direction. The core needle base is in transmission connection with the translation driving mechanism. The core needle has a thick diameter body and a thin diameter body. The thick diameter body is connected to the core needle base, the thin diameter body is connected to one end of the thick diameter body, a reinforced core limiting table is formed between the thick diameter body and the thin diameter body, and the translation driving mechanism can drive the core needle base to drive the core needle to move close to or away from the mold base. In the drainage catheter melt head process, one end of the reinforced core can abut against the limiting table, the core needle base is driven by the translation driving mechanism to move close to the mold base, and when the head end of the catheter is pushed into the mold which has been heated, the limiting table limits the axial reverse walking of the reinforced core, so that the end head structure of the produced drainage catheter has good hardness, the product quality has good stability, and the defective products are few.

The utility model relates to the technical field of medical instruments, and discloses a drainage catheter indwelling fixator which comprises a drainage catheter body, a movable fixator is arranged on the outer wall of the drainage catheter body, a pressing block is connected to the inner wall of the movable fixator in a sliding mode, and a pressing side plate is fixedly connected to the side wall of the pressing block. A first spring is fixedly connected to the bottom of the pressing side plate, a second spring is fixedly connected to the interior of the movable fixator, an inner movable block is fixedly connected to one end of the second spring, a clamping block is fixedly connected to the side wall of the inner movable block, and a clamping groove is formed in the outer wall of the drainage catheter body. The side wall of the movable fixator is fixedly connected with a fixing assembly. According to the drainage catheter fixing device, the drainage catheter body can be stably fixed in the clamping groove in the middle of the movable fixator through the arranged movable fixator, the clamping block in the movable fixator and the clamping groove in the drainage catheter body are matched with one another, and the drainage catheter fixing device is convenient and fast to use and wide in application range.

The application discloses a drainage catheter device which is composed of a soft drainage tube, a homogeneous transparent body and a visual module based on a light source and a camera. The head end of the homogeneous transparent body is arc-shaped, the tail end is flat and is connected with the drainage tube with the diameter being adapted to the drainage tube. The length of the transparent body is greater than the object distance of the visual module. One or more side holes are arranged on the side of the drainage tube close to the tail end of the transparent body, and the side holes are drainage holes of the drainage tube. The drainage catheter device adopts a "one cavity and two uses" method, can be used as a visual cavity and a drainage cavity, and can ensure that the diameter of the soft drainage tube is thin and the brain tissue is less damaged.

The utility model relates to the field of medical instruments, in particular to a disposable indwelling drainage catheter bag which comprises a guide wire, a drainage catheter and a sterile application. The drainage tube penetrating into the body of the patient and the skin of the patient are relatively fixed through the arrangement of the sterile application, the drainage tube is fixed through the cooperation of the balloon and the sterile application, and compared with the prior art that an indwelling drainage catheter and the surrounding skin are fixed together through sutures, the pain of the patient is reduced; meanwhile, the situation that the wound infection risk is increased due to the fact that the wound area is increased through sutures is reduced.

This invention relates to a device for transferring cerebrospinal fluid (CSF) from the ventricles of the brain to body cavities in other parts of the human body. Specifically, this invention discloses a CSF drainage catheter component and a drainage system. The CSF drainage catheter component includes: a catheter body with multiple rows of main long holes arranged circumferentially and axially spaced on its wall; multiple protrusions on the two linear holes of the main long holes to divide the main long holes into multiple micropores; the wall occupied by each row of main long holes is a first segment, and the wall between each two adjacent rows of main long holes is a second segment; a driving component for driving one of the two adjacent second segments to move axially relative to the other second segment, so that one end of the main long hole moves axially relative to the other end in the circumferential direction, thereby causing the two linear holes of the main long hole to move relative to each other in the circumferential direction, thereby causing the protrusions to disturb the interior of the main long hole.

The invention discloses a drainage device for the endocrinology department, and relates to the technical field of medical equipment, the drainage device comprises a drainage catheter and a liquid storage balloon, the middle of the drainage catheter is provided with a double-layer dropper, a cavity layer is arranged in the double-layer dropper, the bottom of the drainage catheter is provided with an expansion and contraction balloon used for being connected with the liquid storage balloon, and the cavity layer is provided with a cavity. Negative pressure suction force can be generated through periodic expansion and contraction movement of the expansion and contraction balloon, so that effusion of the lower half section of the drainage catheter is rapidly conveyed into the expansion and contraction balloon, intermittent air supply and air exhaust are conducted on the cavity layer of the double-layer dropper at the same time, and active drainage of effusion of the upper half section of the drainage catheter is achieved. Active drainage of effusion in the drainage catheter is achieved through the expansion and contraction balloon and the double-layer dropper, a two-section type drainage mechanism is integrally adopted, the effusion is rapidly sucked out, the drainage efficiency is improved, effusion retention and blockage are prevented, and air is automatically isolated and gas is prevented from entering the effusion storage balloon in the effusion drainage process through the sliding piece and the floating ball.