244 results about "Drainage catheters" patented technology

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 invention relates to the technical field of medical instruments, in particular to an intelligent cerebrospinal fluid drainage monitoring system and method. The system comprises a drainage catheter, a drainage bag and a monitoring terminal, a high-precision pressure sensor, an ultrasonic flow sensor, a data acquisition and transmission module and an intelligent monitoring decision module are integrated, and corresponding pressure analog signals are acquired, calibrated and output in real time through the high-precision pressure sensor; a flow analog signal corresponding to compensation output is collected in real time through an ultrasonic flow sensor; synchronously acquiring the pressure analog signal and the flow analog signal through an ADC (Analog to Digital Converter) through a data acquisition and transmission module to generate pressure data and flow data, and transmitting the pressure data and the flow data to a monitoring terminal; and the monitoring terminal calculates the average sliding pressure and the drainage efficiency and decides to generate a multi-stage alarm signal corresponding to cerebrospinal fluid drainage. Accurate data support can be provided for neurosurgery cerebrospinal fluid drainage assistance by means of a high-precision sensor and intelligent monitoring processing.

The utility model belongs to the technical field of medical instruments, and particularly relates to a biliary tract drainage catheter assembly which comprises a catheter body, a mounting block is arranged outside the catheter body, a sleeve hole is formed in the mounting block, clamping blocks are arranged on the two sides of the interior of the sleeve hole, side blocks are fixedly connected to the two sides of the exterior of the mounting block, and winding rollers are rotationally connected to the interiors of the side blocks. The utility model provides a biliary tract drainage catheter assembly which solves the problems that in the prior art, after a drainage catheter is left in the body of a patient, the drainage catheter is generally pasted on the skin of the patient through a medical adhesive tape and fixed outside the body of the patient, but part of the patient is allergic to the adhesive tape, the catheter cannot be fixed through the adhesive tape, and the drainage catheter cannot be fixed through the medical adhesive tape. Sometimes, medical staff bind a catheter to the outside of a patient through a binding band, but the mode of binding through the binding band easily causes bending of the catheter, the drainage effect is affected, and the comfort is also reduced due to friction generated between the catheter and the skin of the patient after long-time binding.

The utility model discloses an intracavity negative pressure device for treating upper digestive tract fistula, which comprises a drainage catheter, and two ends of the drainage catheter are respectively a suction end and a negative pressure end connected with the negative pressure device; a liquid suction hole adjacent to the suction end is formed in the side wall of the drainage catheter, and a sponge body wrapping the liquid suction hole is arranged on the outer wall of the drainage catheter. The sponge body comprises a first sponge body and a second sponge body with the aperture larger than that of the first sponge body, the first sponge body wraps the suction end, and the second sponge body is arranged between the first sponge body and the negative pressure end. The two cavernous bodies with different pore diameters are arranged in a partitioned mode, the first cavernous body with the small pore diameter absorbs effusion at the wound of the upper digestive tract fistula in time, granulation tissue hyperplasia is promoted, recovery of a patient is facilitated, and the treatment period is shortened; the second sponge body with the large hole diameter enables secretions with large viscidity to be adsorbed in time, the sponge body and the drainage catheter are not prone to being blocked, the service life of the negative pressure device is prolonged, and the replacement frequency of the device is reduced.

The invention discloses a puncture drainage device with a numerical control monitoring function, and relates to the technical field of medical instruments, the puncture drainage device comprises a puncture drainage module, a supporting and positioning module and a driving module, the supporting and positioning module comprises a positioning sleeve, an adsorption assembly, a dressing fixing assembly and a guide frame; the positioning sleeve is connected to the end, close to the puncture catheter, of the drainage catheter in a sleeving mode and adsorbed to the abdomen through the adsorption assembly to position the positioning sleeve, the dressing fixing assembly is inserted into the end of the positioning sleeve and abuts against the surface of the application so that the application can be tightly attached to a wound, and the drainage catheter penetrates through the positioning sleeve and is clamped by the guide frame so that the drainage catheter can be bent. The bent drainage catheter is used for positioning the positioning sleeve and is adsorbed to the abdomen through the adsorption assembly, so that the drainage catheter and the puncture catheter are straightly or obliquely erected on the abdomen, and the situation that the puncture catheter swings due to dragging of the drainage catheter when being punctured into the abdomen, and consequently a wound is expanded or the puncture catheter is punctured deeply is avoided; the wound and tissues in the abdominal cavity are further damaged.

The utility model provides a self-discharging type double-helix biliary stent, and belongs to the technical field of medical drainage catheters. Comprising a stent body, and the stent body comprises a connecting pipe, a first spiral pipe and a second spiral pipe; the connecting pipe is used for fixedly connecting the first spiral pipe and the second spiral pipe; the first spiral tube is mounted on one side of the connecting tube and used for draining bile; the second spiral pipe is installed on the side, away from the first spiral pipe, of the connecting pipe. Compared with an existing double-pigtail stent or a self-discharging type biliary tract spiral stent, the spiral structure of the two sets of spiral tubes can better adapt to the physiological form of the biliary tract, stable fixation is formed, the risk that an original stent with one end being of a vertical structure possibly pierces the intestinal wall is avoided, and the intestinal tract can be more stably fixed. Due to the arrangement of the self-discharging double-helix biliary stent, convenience is provided for taking out the stent subsequently.

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.

The invention discloses a drainage catheter for a biliary tract and a biliary tract negative pressure drainage system. The biliary tract negative pressure drainage system comprises a negative pressure instrument, a liquid storage device, a drainage catheter and a catheter fixator. Wherein the negative pressure instrument is used for providing negative pressure and carrying out pressure detection. The liquid storage device is connected with the negative pressure instrument, so that negative pressure is formed in the liquid storage device through the negative pressure instrument. The drainage catheter comprises a connector, a catheter body and a pull wire. The connector is used for being connected with a liquid storage device and used for conveying liquid into the liquid storage device. The tube body is connected with the connector and used for drainage of liquid. The stay wire is arranged in the tube body in a penetrating mode so as to pull the far end of the tube body to form a pigtail-shaped circle. The catheter fixator is connected with the catheter body of the drainage catheter and used for fixing the catheter body to the skin surface near the biliary tract. When the far end of the catheter body forms a pigtail-shaped circle, the center line of the drainage catheter and the center line of the drainage section are located in the same plane, so that the drainage tip does not protrude, and the safety of biliary tract drainage is effectively improved.

The utility model belongs to the technical field of interventional medical instruments, and provides a drainage catheter and a drainage system.The drainage catheter is provided with a near end and a far end which are oppositely arranged in the axial direction of the drainage catheter, and the far end of the drainage catheter is closed. A plurality of hole groups are formed in the side wall of a tube section, extending from the far end to the near end by a preset distance, of the drainage catheter, the hole groups are arranged at intervals in the axial direction of the drainage catheter, each hole group comprises at least two side holes, and the at least two side holes are arranged at intervals in the circumferential direction of the drainage catheter. In the multiple hole groups, the sum of the hole areas of all the side holes of the hole group closest to the far end is the largest, and the sum of the hole areas of all the side holes of the hole group closest to the near end is the smallest. When the drainage catheter is used for injecting the medicine into the target tissue of the patient, the concentration of the medicine in the axial direction of the drainage catheter is uniform, the treatment effect of the medicine can be improved, and the situation that the medicine damages the target tissue of the patient is avoided as much as possible.

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 invention relates to the technical field of medical instruments, in particular to a drainage tube convenient to dredge, which comprises a catheter mechanism, a drainage catheter, an in-body catheter arranged at one end of the drainage catheter, and a joint tube and a dredging mechanism which are arranged at one end of the drainage catheter far away from the in-body catheter, the device comprises a shell movably installed on the drainage catheter, and further comprises a supporting assembly arranged in the shell and a dredging assembly rotationally installed on the supporting assembly, and the dredging assembly comprises a sleeve shell part arranged outside the drainage catheter and pressing roller parts rotationally installed in an inner cavity of the sleeve shell part in an annular array; by means of the drainage tube dredging device, the problems that when the drainage tube is blocked, dredging is not easy due to the fact that manual kneading dredging force is small, the drainage tube is easy to seal due to the fact that the force is too large, and therefore a patient is injured are solved.

The utility model discloses a multifunctional drainage bag. The drainage bag comprises a bag body, a drainage catheter, a cut-through switch and a multifunctional connector, the liquid outlet end of the drainage catheter is connected with a liquid inlet of the bag body, a threaded connector is arranged at the butt joint end of the drainage catheter, the cut-through switch and the multifunctional connector are arranged between the bag body and the threaded connector, and the cut-through switch is arranged below the multifunctional connector. And a check valve for one-way circulation from outside to inside is fixedly arranged in the combined interface of the multifunctional interface. The utility model has the beneficial effects that the check valve structure with one-way circulation is arranged in the multifunctional interface, so that the application of operations such as specimen retention of drainage liquid, bladder irrigation, drug bladder perfusion chemotherapy and the like can be completed more quickly, conveniently and safely, the related operation process is simplified, the operation efficiency is improved, and the operation cost is reduced. In addition, the drainage tube can be quickly combined and connected with different drainage tubes / ureters, can be suitable for different clinical treatment operations, and is wide in application range.

The present disclosure relates to a drainage catheter and methods of use for providing catheterization procedures, such as during a percutaneous nephrostomy. The drainage catheter includes a body including a first tube segment and a second tube segment connected to one another at a curved end portion to form a continuous body structure. An inner surface of the curved end portion includes one or more drainage openings extending therethrough, with an outer surface of the curved end portion free of drainage openings. The openings are in communication with a lumen that extends through the drainage catheter to provide a pathway for removing fluid from the kidney. The drainage catheter is inserted into the kidney via a first insertion site and exits via a second insertion site.

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 relates to the field of drainage catheter auxiliary instruments, in particular to a pendulum type anti-slip surgical drainage catheter fixator which comprises a base body and a carrying disc, the carrying disc is provided with one or more caulking grooves used for allowing drainage catheters to be embedded therein, and clamping pieces used for clamping the drainage catheters are arranged in the caulking grooves; the carrier disc can rotate from an initial position to two sides around a first axis relative to the base body so as to form an arc-shaped rotating track, the maximum rotating angles of the carrier disc rotating to the two sides relative to the base body do not exceed 90 degrees, and in the initial position, the extending direction of the caulking groove is perpendicular to the connecting line of the two ends of the arc-shaped track; the attachment is used to attach the base to a human body. The drainage catheter can be fixed, and when the drainage catheter is pulled, the carrying disc can rotate adaptively, so that the drainage catheter is not prone to slipping off, and the occurrence rate of non-planned catheter pulling is 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.

The craniocerebral three-channel puncture drainage catheter comprises a drainage tube and a puncture needle, the drainage tube is of a hollow rod-shaped structure, one end of the drainage tube in the length direction is a puncture end, the other end of the drainage tube is a drainage end, the drainage end is of an open structure and communicates with the interior of the drainage tube, a drainage groove is formed in the side wall of the drainage tube, and the drainage groove communicates with the interior of the drainage tube; the drainage groove is in a long strip shape and is formed in the length direction of the drainage tube, the puncture needle is matched with the interior of the drainage tube and the drainage groove, the puncture needle is inserted into the drainage end of the drainage tube and fills the interior of the drainage groove, drainage of different layers of parts can be completed by puncturing the drainage catheter, the use environment is increased, and blocking in the drainage process is avoided.

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 present invention discloses a drainage catheter with pressure monitoring, which relates to the field of medical devices, including a catheter, wherein a first through hole is provided on the tube wall at the front end of the catheter, and a fixed tube is fixedly connected inside the catheter, a second through hole is provided at the position of the fixed tube corresponding to the first through hole, a sliding tube is also included, the sliding tube is slidably connected to the fixed tube, and a third through hole corresponding to the first through hole is provided on the side wall, and a sliding plate is also included, the sliding plate is used to press the liquid in the fixed tube out of the catheter. The present invention uses a pull rope to pull the sliding tube to clear the through hole on the catheter, and at the same time, when the sliding plate connected to the sliding tube moves, the through hole of the catheter is backflushed by the reverse flow of liquid, and the through hole at the front end of the catheter can be cleared by intermittently pulling the pull rope, effectively avoiding the through hole at the front end of the catheter from being blocked, so that the operation can be carried out smoothly.

1. The name of this design product: closed high negative pressure drainage system. 2. Purpose of the product of this appearance design: When used for clinical negative pressure drainage, it is connected to the drainage catheter inserted into the body, acting as a negative pressure conduction medium and guiding and collecting drainage fluid. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses a negative pressure suction ball for a surgical drainage catheter, which comprises a negative pressure ball, the top of the negative pressure ball is connected with a first connecting tube and a second connecting tube, the upper end of the first connecting tube is provided with a first one-way valve, the upper end of the first one-way valve is provided with an air outlet tube, and the upper end of the second connecting tube is provided with a second one-way valve. A liquid inlet pipe is installed at the upper end of the second one-way valve, a connecting cylinder is connected to the bottom of the negative pressure ball, a liquid drainage assembly is connected to one side of the connecting cylinder, and a sampling pipe is detachably installed on the bottom face of the connecting cylinder. After accumulated liquid enters the connecting cylinder, the accumulated liquid in the connecting cylinder can firstly enter the sampling pipe until the sampling pipe is filled, the accumulated liquid in the negative pressure ball is discharged through the liquid discharging assembly when the liquid needs to be discharged, the accumulated liquid in the sampling pipe cannot be discharged, and the sampling pipe can be conveniently screwed off for detection at any time.

Systems and methods for using computer-aided data collection and analysis for percutaneous drainage catheters using mobile device applications and corresponding remote servers to facilitate the collection, storage, and transmission of more accurate quantitative and qualitative data concerning the maintenance of percutaneous drainage catheters. Artificial intelligence may be used to identify complications in advance and monitor anticipated use and exhaustion of consumable supplies, prompt for replacement, or automatically orders as needed.

1. The name of the product of this design: Automatic drainage workstation for closed negative pressure drainage system. 2. Purpose of the product of this design: When used for clinical negative pressure drainage, it is connected to the drainage catheter inserted into the body, acting as a negative pressure transmission medium, guiding, collecting and draining mixed liquids containing irrigation fluid, patient body fluids (blood, gastric juice, etc.), secretions (sputum, flushing fluid, etc.), etc. The workstation is used to automatically discharge the liquid retained in the closed negative pressure drainage system tank truck and automatically clean the tank truck. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides a thoracic cavity pipeline fixing device which comprises two oppositely-arranged application pieces, a skin sticking layer is arranged on one side of each application piece, semicircular through holes are formed in the middles of the opposite sides of the two application pieces, and a semicircular fixing pipe is arranged at the position, corresponding to the semicircular through holes, of each application piece in the direction away from the skin sticking layer. The two semicircular fixing pipes can form a complete fixing sleeve, external threads are arranged on the outer side of the fixing sleeve, the fixing sleeve is in threaded connection with a threaded clamping sleeve, and each semicircular fixing pipe is provided with a plurality of movable grooves. An elastic threaded clamping strip in threaded connection with the threaded clamping sleeve is arranged on the side, away from the corresponding application piece, of each movable groove, and the end, facing the application piece, of each elastic threaded clamping strip inclines outwards. The drainage tube is directly clamped and fixed at a wound, loosening and pulling caused by shaking of the drainage tube are not likely to happen, and the clinical requirement for long-term, stable and safe fixing of the chest drainage catheter is met.

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.

1. Name of the Design Product: Drainage Catheter. 2. Use of the Design Product: Used for draining the effusion that needs to be discharged from the patient's body during medical procedures, especially suitable for external drainage of cerebrospinal fluid. 3. Design Key Points of the Design Product: Lies in the drainage holes. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View.