18 results about "Irrigation catheters" patented technology

The application provides a lavage catheter, which comprises a handle assembly and a catheter assembly. The handle assembly comprises a shell and a movable assembly. The movable assembly is movably arranged in the shell, so that the movable assembly comprises a first state and a second state relative to the shell. The catheter assembly comprises a catheter tube and a pop-up unit. The catheter tube is provided with an opening at a distal end for communication with the outside. The pop-up unit comprises a connecting wire and a pop-up part. The proximal end of the connecting wire is connected to the movable assembly, and the distal end of the connecting wire is connected to the pop-up part. When the movable assembly is in the first state, the connecting wire is in tension, and the pop-up part is received in the catheter tube. When the movable assembly is in the second state, the connecting wire is relaxed, and the pop-up part is popped out of the opening. The lavage catheter provided by the application can make the pop-up part pop out of the opening, so as to keep a certain space gap between the sub-segment bronchial wall and the opening, and prevent the sub-segment bronchial wall from closely adhering to the catheter tube under negative pressure to block the opening and cause difficulty in pumping the lavage liquid.

The invention discloses a disposable anti-blocking drainage flushing catheter, which relates to the technical field of medical instruments and comprises a supporting shell, a suction tube, a flushing tube and a transparent filtering part, the supporting shell is provided with a handle and a detachable gun head, a liquid outlet pipe and a liquid inlet pipe which are coaxial are arranged in the gun head, an annular drainage cavity is formed between the liquid outlet pipe and the liquid inlet pipe, the liquid outlet pipe is communicated with the flushing pipe, and the liquid inlet pipe is communicated with the suction pipe through the annular drainage cavity; the suction tubes are designed in a segmented manner, the filtering part is detachably arranged between the two sections of the suction tubes, and filtering holes are formed in the circumferential direction of the filtering part, so that liquid is filtered by the filtering part and then discharged; the filtering part is arranged in the handle, the handle is provided with the observation window so that the blockage condition can be monitored conveniently, flushing and drainage can be synchronized, the transparent detachable structure facilitates real-time blockage observation and treatment, the overall structure is simple, and use, production and popularization are convenient.

The utility model discloses a bladder irrigator structure for blocking a urinary catheter by blood clots in blood, which belongs to the technical field of bladder irrigation and comprises auxiliary irrigation equipment, and the auxiliary irrigation equipment comprises a liquid storage tank and a storage tank; the flushing catheter comprises a catheter assembly, a non-return assembly is arranged in the catheter assembly, the catheter assembly comprises an input pipe, one end of the input pipe is communicated with the liquid storage tank, the other end of the input pipe is connected with an output pipe, the end of the output pipe is communicated with a connector, and the connector is connected with a catheter in the bladder of a patient. The outer side of the output pipe is communicated with the waste liquid pipe, and the end of the waste liquid pipe is communicated with the storage box, so that the waste liquid is effectively prevented from flowing back, the waste liquid is prevented from remaining and breeding bacteria at a gap between the side wall of the infusion pipe and the valve, and the risk of urinary system infection of a patient is greatly reduced.

This invention provides a ureteroscopic irrigation catheter, belonging to the field of medical device technology. The ureteroscope includes a scope body and a tubing. An imaging probe is installed at the end of the tubing. An infusion catheter is inserted through the tubing, and the gap between the catheter and the inner wall of the tubing forms a return channel. The inner wall of the catheter is equipped with a spiral flow-guiding structure to generate centrifugal force to evenly disperse the water flow. This invention systematically solves the problems of thermal damage and visual interference in ureteroscopic holmium laser lithotripsy through fluid dynamics optimization and a dual-channel drainage structure, combining clinical safety and ease of operation.

The application discloses a kind of monitoring body cavity pressure irrigation aspirator system, control method and medium, system includes body cavity pressure measurement module, for obtaining body cavity pressure and sending to control module;Control module is used to compare the received body cavity pressure with preset body cavity pressure threshold value, according to the difference proportion of body cavity pressure and body cavity pressure, generate control signal including peristaltic pump motor speed, and control signal is sent to peristaltic irrigation module;Wherein, difference proportion and the mapping relationship between motor speed increase proportion or decrease proportion are pre-configured in control module;Peristaltic irrigation module is used to receive control signal and carry out peristaltic irrigation according to control signal;Wherein, peristaltic irrigation module includes peristaltic pump and the irrigation catheter connected with peristaltic pump.The application realizes whole process system monitoring to operating state, guarantees intraoperative irrigation persistence, improves the safety of surgical process.

A flush syringe for use in maintaining intravenous catheters, wherein the flush syringe can more efficiently and effectively flush the catheters by providing a pulsating, pulsatile, and / or pulsative flow of fluid that can be produced using momentum of the fluid moving. A steady force applied to a plunger while flushing can provide the pulsating, pulsatile, and / or pulsative flow of the fluid to the catheters.

The utility model relates to the technical field of medical instruments, in particular to a flushing device and a cleaning fluid bottle with the flushing device. The flushing device comprises a flushing assembly, a connecting hose and a bottle stopper puncture outfit, the flushing assembly and the bottle stopper puncture outfit are communicated through the connecting hose, the flushing assembly is used for spraying cleaning fluid, and the bottle stopper puncture outfit is used for penetrating through a cleaning fluid bottle to draw the cleaning fluid; the flushing assembly comprises a flushing catheter, a shielding piece, a connector and a butterfly wing handle, one end of the connector is communicated with the flushing catheter, the other end of the connector is communicated with the connecting hose, the shielding piece is arranged at the joint of the connector and the flushing catheter, and the butterfly wing handle is arranged on the connector. Meanwhile, based on the flushing device, the utility model further provides a cleaning liquid bottle with the flushing device, and the cleaning liquid bottle is convenient for medical staff to operate and convenient for flushing treatment.

This utility model discloses a bladder irrigation device, relating to the field of medical device technology. It includes a bladder irrigation catheter, a negative pressure suction catheter, a negative pressure suction mechanism, and an endoscope mechanism. The front end of the bladder irrigation catheter is inserted into the bladder to be treated, and a flushing water inlet is provided on the rear side wall of the bladder irrigation catheter. The negative pressure suction catheter can be inserted into the bladder irrigation catheter, and a flushing water channel can be formed between the outer wall of the negative pressure suction catheter and the inner wall of the bladder irrigation catheter. The front end of the flushing water channel is open to flush the bladder to be treated, and the rear end of the flushing water channel is closed. The inlet of the negative pressure suction mechanism can communicate with the rear end of the negative pressure suction catheter to drain the bladder to be treated. The probe of the endoscope mechanism can be inserted into the bladder irrigation catheter to take images inside the bladder to be treated. This utility model can achieve bedside visual negative pressure bladder irrigation, improving the treatment effect of bladder tamponade.

A catheter flush securement device, a kit including the same, and a method of flushing a catheter are disclosed. A catheter flush securement device is disclosed that includes an inlet port shaped to receive a distal end of a catheter, wherein an inner surface of the inlet port is sized to form an interference fit with an outer surface of the catheter when the catheter is inserted into the outlet port, and thereby occlude a fluid outlet on the outer surface of the catheter. A kit including the catheter flush securement device is also disclosed. A method of flushing a catheter is also disclosed. A flush securement device for flushing a lumen of a catheter is also disclosed.

The application discloses a disposable anal fistula flushing catheter, which comprises a valve body and a flushing catheter, the valve body is externally provided with the flushing catheter, the flushing catheter is composed of a first section, a second section and a flushing section, the side surface of the valve body is provided with a first joint, the side surface of the first joint is provided with a male luer head, the side surface of the male luer head is provided with the first section, the other side of the valve body is provided with a female luer head, the side surface of the female luer head is provided with the second section, and the side surface of the first section is provided with the flushing section. The disposable anal fistula flushing catheter is connected with the first section through the male luer head on one side of the valve body, the head and the tail can be connected through the luer joint, the injection containing sterilized water is taken out after the assembly of the flushing catheter is completed, the side surface of the syringe is inserted into the external interface of the valve body, and the syringe is pushed to complete injection, so that the flushing and drainage work are conveniently completed, sterilization is more comprehensive during use, and operation is simple.

This invention discloses a nasogastric feeding tube device with backflushing capability. It includes a feeding tube body with a feeding channel, a flushing channel, and a filling channel running through its interior. A feeding head is located at the front end of the feeding tube body. The feeding head has an insertion hole that seals with the front end of the feeding tube body. A food outlet is located on the side of the feeding head, and the bottom of the food outlet is recessed to form a groove communicating with the insertion hole. An expansion bladder is located within the groove, which can form a closed cavity communicating with the front end of the filling channel. The expansion bladder can be inflated to block the insertion hole and the food outlet. The front end of the flushing channel opens into the insertion hole and communicates with the front end opening of the feeding channel. Fluid is injected into the expansion bladder, causing it to inflate and block the food outlet from the insertion hole, creating a connected, independent space between the feeding channel and the flushing channel. Flushing fluid is injected through the flushing channel to flush the feeding channel, preventing food residue from adhering and thus extending the service life of a single nasogastric feeding tube.

The invention discloses a flushing-free catheter capable of exhausting air automatically, and belongs to the technical field of medical instruments.The flushing-free catheter comprises a catheter body, the catheter body is used for bearing coupling liquid, a first bubble capturing assembly and a second bubble capturing assembly are arranged on the catheter body, and the first bubble capturing assembly is located at the near end of the catheter body; the first bubble capturing assembly can guide coupling liquid in the tube body to form vortex, the second bubble capturing assembly is located at the far end of the tube body and can adsorb and collect bubbles, the tube body is connected with an automatic degassing assembly, and the automatic degassing assembly can supplement the coupling liquid without bubbles into the tube body. The automatic degassing assembly has a first state and a second state. Automatic, efficient and reliable exhaust and coupling liquid maintenance of the intravascular ultrasonic catheter are achieved, and when it is detected that the pressure caused by withdrawing or bubbles is reduced, the automatic degassing assembly is started to supplement clean coupling liquid into the catheter so as to eliminate the bubbles.

A method for deflating an expandable balloon of an irrigation catheter is disclosed where the expandable balloon is deflated if a pressure inside of the expandable balloon is greater than a threshold pressure.

The utility model provides a kind of oocyte collector through abdominal part, including collection container and with its sealed connection vacuum conduit, collection conduit, the opening of collection container is connected with sealing plug, and the one end of vacuum conduit and collection conduit is respectively arranged in sealing plug and exposes in the inside of collection container, and the one end of collection conduit away from collection container is connected with collection needle, and the one side of vacuum conduit away from collection container is connected with negative pressure source, and the connecting place of conduit and collection needle is equipped with hand protection kit, and the length of collection conduit and flushing conduit in double-channel collection needle is all greater than the length of channel length. The oocyte collector of the scheme is aimed at abdominal part operation, adopts the structure and component suitable for abdominal operation environment, so that operation is more smooth and convenient, reduces the complexity on operation, so that operator can more easily carry out oocyte retrieval operation, to reduce operation difficulty and reduce operation time, with strong clinical application value and practical significance.

The present disclosure relates to a flushing fixture (300) for flushing the lumen of a catheter, the flushing fixture comprising a housing (302) having a catheter entry port (304) and a catheter exit port (306), the catheter entry port being arranged to receive at least a distal portion of a catheter (320), wherein the housing defines a flushing chamber (308) at least partially fillable with a liquid so as to thereby immerse the distal portion of the catheter (320), wherein the catheter exit port (306) comprises a deformable exit opening (312) shaped to conform to a distal tip (324) of the catheter in such a way that the distal tip of the catheter covers the opening in a liquid-tight manner when in use.

The utility model relates to the technical field of ear-nose-throat department clinic, and discloses a nasal cavity telescopic adjusting flushing device which comprises a liquid storage mechanism, and the liquid storage mechanism comprises a liquid storage bottle; the flushing guide pipe comprises a first guide pipe, and the outer surface of one end of the first guide pipe communicates with the interior of the outer surface of the liquid storage mechanism; the protection mechanism comprises a fixing ring, and the inner surface of the fixing ring is fixedly connected to the outer surface of the flushing catheter, the flushing catheter is arranged, in the actual operation process, the second catheter is pulled, so that the clamping block contracts to extrude the reset spring, and then the second catheter is pulled by means of the elasticity of the reset spring, so that the flushing catheter is protected. The clamping block is reset and clamped into the clamping grooves in other positions until the length of the flushing catheter is appropriate, the situation that the length of the flushing catheter is not enough is reduced, the nasal cavity can be fully flushed conveniently, and the reliability of the device is improved to a certain degree.

The utility model relates to medical instrument technical field provides a kind of intelligent flushing catheter device. Device includes catheter main body, heating device and anti-pulling device. Heating device adjusts the temperature of physiological saline in real time through intelligent temperature control module, keeps flushing liquid constant temperature, avoids patient to cause discomfort due to low temperature liquid. Anti-pulling device is composed of chute, slider, spring and sensor group, can buffer external force and pull, protect catheter from bending or damaging. Sensor group real-time monitoring external force and slider displacement, intelligent feedback system can trigger alarm and remote notify medical staff when abnormal situation. Catheter main body surface is equipped with support device, prevent bedding compression, ensure catheter unobstructed. The device has constant temperature heating, anti-external force and intelligent monitoring function, applicable to a variety of medical scenarios, significantly improve patient safety and operation convenience, with wide application prospect.