32 results about "Catheterization device" patented technology

The utility model relates to a variable-color pressure-measuring catheterization device, and relates to the technical field of pressure-measuring catheterization devices.The variable-color pressure-measuring catheterization device comprises a catheter and a pressure-measuring tube, one end of the catheter is connected with a urine bag, and a first communicating valve is arranged at the end, close to the urine bag, of the catheter; the end, close to the urethra, of the urethral catheter is communicated with a first connecting pipe and a second connecting pipe, the first connecting pipe is used for inputting normal saline into the urethral catheter, the second connecting pipe is used for being communicated with the pressure measuring pipe, the first connecting pipe is provided with a second communicating valve, and the second connecting pipe is provided with a second communicating valve. A third communication valve is arranged at the end, away from the end connected with the second connecting pipe, of the pressure measuring pipe, and a connecting assembly connected with the pressure measuring pipe is arranged on the second connecting pipe. The pressure measuring device has the advantages that the pressure of a patient can be conveniently measured, the discomfort of the patient caused by the pressure measuring device is reduced, and meanwhile the pressure measuring device can be conveniently detached.

The invention provides a urinary surgery urinary catheterization device, and relates to the technical field of urinary catheterization devices.The urinary surgery urinary catheterization device comprises a lantern ring, and a lubricating mechanism and a prepuce removing mechanism are arranged on the lantern ring; the lubricating mechanism comprises an observation ring, a liquid inlet ring and a urinary catheter propelling mechanism, the observation ring is connected to the end of the lantern ring, the liquid inlet ring is connected to the end, away from the lantern ring, of the observation ring, the urinary catheter propelling mechanism is arranged on the side, away from the observation ring, of the liquid inlet ring, and the urinary catheter propelling mechanism is connected with a piston of the liquid inlet ring; the prepuce removing mechanism comprises an outer ring, two sets of inner pressing plates and guide columns, the outer ring is arranged on the surface of the lantern ring in a sleeving mode, the inner pressing plates are arranged at the upper end and the lower end in the lantern ring respectively, piston cylinders are arranged on the inner pressing plates and slidably connected with the lantern ring, the piston cylinders are connected with outer ring pistons, the guide columns are fixedly connected to the surface of the lantern ring, and moving grooves for the guide columns to move are formed in the outer ring. The catheter is conveniently lubricated and driven to move through the lubricating mechanism, and the vaginal orifice of the penis and the prepuce of the penis are opened through the prepuce removing mechanism.

The application provides a catheterization device for irrigation administration, and relates to the field of medical devices, comprising a catheter and a liquid storage bag, the liquid storage bag is sleeved outside the catheter and is attached to the side wall of the catheter, a through hole connected to the inner cavity of the liquid storage bag is arranged on the side wall of the catheter, a blocking diaphragm capable of being broken under the action of a set pressure is arranged in the through hole, and a blocking piece is arranged in the inside of the catheter in the covering area of the liquid storage bag to block the catheter under the action of the pressure of the side wall of the catheter. In view of the problem that pollution is easily caused during the current bladder irrigation, the flushing liquid is pre-stored in the liquid storage bag, so that the liquid storage bag becomes a convenient flushing device. The flushing liquid is isolated from the outside world before flushing, so that pollution is avoided. When in use, the liquid storage bag is squeezed to make the flushing liquid pass through the through hole and be input along the catheter, so that the operation is convenient and secondary infection is avoided.

The utility model relates to the technical field of medical instruments, and discloses a urine catheterization device for nursing, which comprises a urinary catheter, an expansion mechanism is arranged at one end of the urinary catheter, a corrugated pipe can be extended by pulling a pull ring on a support frame to achieve the effect of container expansion, and when the urine catheterization device is not used, the corrugated pipe can be contracted to reduce the volume of a container, so that the urine catheterization device is convenient to use. A lower fixing seat and an upper fixing seat are installed on one sides of the two supporting frames, the lower fixing seat and the upper fixing seat are rotationally connected through a hinge, and inner fixing seats are slidably installed in the lower fixing seat and the upper fixing seat, so that during use, a pull ring extends out through a first limiting hole and rotates by 90 degrees to achieve connection of the supporting frames and the inner fixing seats; when the pull ring is pulled, the inner fixing seat moves synchronously with the transverse plate, and meanwhile, the inner fixing seat is fixed under the action of a limiting groove and a rubber pad, so that the situation that the corrugated pipe is collided or urine flows back due to natural recovery can be avoided.

The invention discloses a special urethral catheterization device with a rapid combination structure for postoperative care, and relates to the technical field of postoperative urethral catheterization. A catheterization device special for postoperative care and provided with a rapid combination structure comprises a base and a right-angle box, fan-shaped sliding grooves are formed in the positions, close to the two ends of the front end, of the right side of the top of the base, fan-shaped sliding rails are fixedly installed on the two fan-shaped sliding grooves, and installation grooves are formed in the centers of the tops of the fan-shaped sliding grooves; extending grooves are formed in the front side and the rear side of the mounting groove, sliding rails are fixedly mounted at the tops and the bottoms of the two extending grooves, a first bearing seat is fixedly mounted on the right side wall of the interior of the mounting groove, the left side of the first bearing seat is movably sleeved with a lead screw, and the outer surface of the lead screw is movably sleeved with a sliding table; sliding grooves are fixedly formed in the positions, close to the front end and the rear end, of the top and the bottom of the sliding table correspondingly, and a driven bevel gear is fixedly installed on the left side of the lead screw.

The invention discloses a clinical urinary catheterization device for urinary surgery and a use method, and belongs to the technical field of medical instruments. Comprising a base, a rotating platform is arranged on the upper surface of the base, a plurality of collecting mechanisms are arranged on the rotating platform, opening and closing mechanisms are arranged above the collecting mechanisms, and an L-shaped supporting plate is fixedly connected to the right side of the outer side wall of the base; urine is temporarily stored through a plurality of collecting barrels, when one collecting barrel is almost full, a motor only needs to drive a rotating platform, the unoccupied collecting barrel is rotated to the position below a butt joint mechanism to complete switching, frequent dumping operation is not needed, meanwhile, a lifting plate of the butt joint mechanism is matched with a pulling plate and a first spring, butt joint and separation of an inserting pipe and a connecting nozzle can be rapidly achieved, and the working efficiency is greatly improved. The time investment of nursing personnel on urine treatment is greatly reduced, so that the nursing personnel can apply more energy to core nursing work such as illness state observation and medication guidance, and the overall clinical working efficiency is remarkably improved.

Various embodiments of the present disclosure provide a medical device straightener. The medical device straightener can comprise an elongate shaft extending along a shaft longitudinal axis, the elongate shaft including a shaft proximal end and a shaft distal end, wherein a shaft inner wall of the elongate shaft defines a shaft lumen extending therethrough. The medical device straightener can comprise a bleedback valve that includes an outer circumferential surface. The bleedback valve can be disposed at a distal end of the elongate shaft, within the shaft lumen, wherein a portion of the outer circumferential surface is in communication with the shaft inner wall. The bleedback valve can define a radially expandable lumen longitudinally extending through a center of the bleedback valve.

A. catheter insertion device includes a housing, a button including a body and at least one arm extending from the body into the housing to movably couple the button to the housing, the button is movable between a raised position and a depressed position, and a needle hub coupled to the button to move with the button between the raised position and the depressed position. In the raised position, the body of the button is a first distance from the needle hub that reduces visibility of the needle hub through the body of the button. In the depressed position, the body of the button is a second distance from the needle hub less than a first distance that allows visibility of the needle hub through the body of the button.

The application provides a catheterization device with an adjusting function, comprising: a catheter, one end of the catheter is provided with a catheter head for guiding urine into the catheter head, and the other end of the catheter is provided with an adjusting switch body for adjusting the rate and on-off of the urine discharged from the other end of the catheter; a balloon, the balloon is arranged on the outer peripheral wall of the catheter close to the catheter head, and the balloon can be filled with a medium to fix the catheter in the bladder of a human patient; two electrodes with opposite polarities, one end of each of the two electrodes penetrates through the catheter and extends into the catheter head along the length direction of the catheter, and the two electrodes are respectively used for connecting the positive electrode and the negative electrode of an electrophysiological monitoring device at the end outside the catheter; wherein the catheter, the catheter head and the balloon are all made of an electrically charged silicone rubber material. The application accelerates the recovery of the self-urination ability of the patient and reduces the risk of urinary tract infection of the patient through the adjustment of the adjusting switch body and the electrodes.

This invention provides an external fixation device for a balloon catheter used in clinical nursing, belonging to the field of medical devices. It includes a mounting box, with a fixing rod fixedly connected to the inner surface of the mounting box. A buffer assembly is provided on the outer side of the fixing rod. The buffer assembly includes a winding part and a movable part. The winding part includes a movable sleeve rotatably connected to the outer surface of the fixing rod. By setting the buffer assembly, the catheter can be wound and stored by a guide frame, keeping the length of the catheter outside the mounting box within an appropriate range. This effectively reduces the risk of accidental pulling on the catheter. The movement of the guide frame releases the catheter, buffering and absorbing the pulling force on the catheter, thereby effectively reducing the transmission of pulling force to the balloon catheter. This reduces the probability of damage to the patient's bladder and urethra caused by the balloon catheter during accidental patient movement, thus effectively ensuring comfort during the operation of the catheterization device.

The invention relates to the technical field of medical instruments, in particular to a urinary catheterization device for bladder rehabilitation training of patients with diabetes mellitus and heart failure, which comprises a urinary catheter, a lubricating bag and a pressure bag, the lubricating bag is arranged at the top of the catheter and is filled with lubricating liquid; a lubricating pipe is arranged on the lubricating bag, leads to the periphery of the catheter and is used for supplying lubricating liquid to the periphery of the catheter; the pressure bag is arranged on the catheter and abuts against the lubricating pipe. The pressure bag is configured to expand or contract by adjusting the pressure in the bag in the process that the catheter is inserted into the urethra, and therefore the lubricating pipe is blocked or opened. According to the scheme, the lubricating bag and the pressure bag are arranged at the top end of the catheter, so that when the catheter moves in the urethra, unblocking and blocking of the lubricating pipe can be controlled through the pressure bag, lubricating liquid is supplied to the top of the catheter at any time, resistance borne by the catheter when the catheter moves in the urethra is reduced, and discomfort of a patient is reduced.

The utility model relates to a catheterization device technical field, especially a kind of catheterization device of infrared scanning record urine volume.The utility model provides such a kind of catheterization device of infrared scanning record urine volume, comprising: catheterization tube, the one end of catheterization tube far from being inserted into patient's body is connected with cylindrical urine storage bag;Liquid outlet pipe, urine storage bag bottom is equipped with liquid outlet pipe;First cladding shell and second cladding shell, the protective shell formed by the mutual splicing of first cladding shell and second cladding shell is equipped on the outside of urine storage bag, and round hole is opened in the top and bottom of second cladding shell.The utility model scans liquid level by infrared light, automatically records urine flow, then data is transmitted to external processor to carry out data induction arrangement, and then when replacing urine storage bag, by controlling elastic ring to loosen first cladding shell and second cladding shell, then it is taken off from urine storage bag, and it is installed to new urine storage bag, infrared scanner is installed to disposable catheterization tube, and medical cost is saved.

The present application relates to the technical field of medical devices, and particularly provides a catheterization device for bladder rehabilitation training of a patient with diabetes combined with heart failure, comprising: a catheter, a lubricating capsule and a pressure capsule; the lubricating capsule is arranged at the top of the catheter and is filled with lubricating liquid; a lubricating pipe is arranged on the lubricating capsule and leads to the outer periphery of the catheter, for supplying lubricating liquid to the outer periphery of the catheter; the pressure capsule is arranged on the catheter and abuts against the lubricating pipe; the pressure capsule is configured to, during the process of inserting the catheter into the urethra, expand or contract by adjusting the pressure in the capsule, so as to block or open the lubricating pipe. According to the scheme of the present application, by arranging the lubricating capsule and the pressure capsule at the top end of the catheter, the opening and blocking of the lubricating pipe can be controlled by the pressure capsule when the catheter moves in the urethra, so as to supply lubricating liquid to the top of the catheter at any time, thereby reducing the resistance of the catheter when moving in the urethra and reducing the discomfort of the patient.

Disclosed herein are techniques related to insertion of a fluid conduit (e.g., tubing connected to a fluid reservoir or a cannula sharing a pre-assembled fluid pathway with such tubing). In some embodiments, an insertion mechanism may include one or more springs (e.g., a torsion spring or a compression spring). The one or more springs may cause a trocar or a trocar slider to pierce tissue and insert the fluid conduit. The one or more springs may further cause the trocar or the trocar slider to be removed from the tissue.

The present invention provides a delivery device comprising an insertion device having a retraction spring configuration for automatic retraction of an insertion needle. A button on the insertion device is used to insert the insertion needle and catheter, and after the insertion needle is fully inserted, a rotary engagement releases the needle seat, wherein the spring causes the insertion needle to retract automatically. A catheter assembly includes a catheter seat, a septum, and a catheter. The catheter seat has a fluid passage separate from the insertion needle for supplying fluid to the catheter. The fluid passage may extend through the distal end of the septum, through a side portion of the catheter seat and the septum, or directly through a side portion of the catheter seat to a fluid chamber formed between the septum and the distal end of the catheter seat.

A catheter insertion device includes a housing with a base, a catheter, an insertion needle, and an actuator. The device includes at least one spring actuated by the actuator to move the insertion needle and catheter to an extended position. In one embodiment, the spring can also automatically retract the insertion needle when the catheter is in the extended position. The spring is operatively connected to a sleeve that rotates to move the insertion needle and catheter to the extended position and subsequently retract the insertion needle. In another embodiment, the device includes: a first spring for moving the insertion needle and catheter to the extended position; and a second spring for retracting the insertion needle.

The invention relates to a deep vein transcatheter arteriovenous wall puncture effect-based deep vein transcatheter arteriovenous wall puncture effect-based deep vein transcatheter arteriovenous wall puncture device, and belongs to the technical field of medical surgical instruments, the deep vein transcatheter arteriovenous wall puncture effect-based deep vein transcatheter arteriovenous wall puncture effect-based deep vein transcatheter arteriovenous wall puncture device comprises a guide wire capturing device and a puncture device, one end of the rod body is provided with a guide wire capturing device with the size capable of being released and compressed, and the other end of the rod body is provided with a handle. The puncture device comprises a second long catheter, a puncture tube is arranged in the second long catheter, the puncture tube can linearly move in the second long catheter, and a guide wire is arranged in the puncture tube; the guide wire penetrates out of the puncture tube and is captured through the guide wire capturing device. The arteriovenous access device has the advantages that the guide wire penetrates out of the puncture tube, the guide wire is used for capturing through the guide wire capturing device, and the arteriovenous access of the deep vein transcatheter arteriovenous interventional operation is established.

A catheter insertion device (10) includes a housing (12) with a base (14), a catheter (28), an introducer needle (30) and an actuator (26) mounted within the housing. The catheter (28) and needle (30) are coupled to the actuator (26) and movable between a first position where the catheter and needle are retracted within the housing and a second position where the catheter (28) and needle (30) extend from the housing, and where the needle retracts into the actuator when the catheter and needle reach the second position. A spring (90) is provided in the housing (12) or the actuator (26) where the spring (90) is released after deployment of the device to retract the needle (20) with respect to the catheter (28).

The utility model discloses a urinary catheterization device for gynaecology and obstetrics nursing, which is applied to the technical field of gynaecology and obstetrics nursing and comprises a urine storage cup, the top of the urine storage cup is communicated with a connecting pipe in an inserted manner, one end of the connecting pipe far away from the urine storage cup is fixedly communicated with a urinary catheterization rod, and the top of the urinary catheterization rod is adhered with a urine receiving sucker. Arc-shaped clamping rings are connected to the two sides of the urinary catheterization rod in a bolted mode. The arc-shaped clamping ring and the binding belt are bound on the thigh of a patient, and then the urine guide rod is adsorbed and fixed through the urine receiving suction cup. Therefore, a patient or a nurse does not need to support the urethral catheterization opening, the urethral catheter is effectively prevented from falling off, and the installation stability of the urethral catheter is improved. The groove is formed in the urine guide rod, so that urine can normally enter the urine storage cup through the urine guide groove. However, when the urine overflows and flows back, the floating ball can automatically seal the outlet of the urine receiving suction cup through the buoyancy of the urine. Therefore, urine backflow is effectively prevented, and practicability is improved.

The invention discloses an easily-ruptured membrane type total urethral lubrication catheter and a catheter drawing and lubricating method thereof, and relates to the technical field of medical catheterization instruments.The easily-ruptured membrane type total urethral lubrication catheter comprises a catheter body, and a main drainage cavity, an air bag cavity, an air bag and a lubrication channel which are independent of one another and not communicated with one another are arranged in the catheter body; the main drainage cavity, the air bag cavity and the lubricating channel which are mutually independent are arranged in the catheter, the easily-broken membrane is arranged at the front end of the lubricating channel, the small circumferential lubricating holes are formed in the catheter wall, lubricating liquid is injected before catheter drawing to break the easily-broken membrane, residual urine is automatically discharged, liquid injection continues, the lubricating liquid is sprayed out from the small holes in the side wall, and 360-degree even lubrication of the whole urethra is achieved; the device integrates residual urine emptying and extubation lubricating functions, is visual in operation, safe and controllable, can be suitable for all people to use, and remarkably reduces extubation pain, urethra injury and infection risks, and the structure and the method of the device can be widely applied to long-term indwelling and extubation scenes such as a double-J tube and a trachea cannula.

A catheter insertion device includes: a housing defining a first channel; a diaphragm defining a second channel and an opening extending from the second channel; and a catheter at least partially positioned within the opening of the diaphragm. The diaphragm is movable relative to the housing between the first position and the second position. In the first position, the diaphragm is spaced apart from the first channel of the housing, and in the second position, the diaphragm is positioned adjacent to the first channel to align the second channel with the first channel, allowing fluid to flow from the first channel to the second channel.

The invention discloses a urinary surgery nursing leakage-proof urethral catheterization device, and particularly relates to the field of medical nursing instruments, the urinary surgery nursing leakage-proof urethral catheterization device comprises a leakage-proof infusion tube, an air bag infusion tube is fixedly connected to the inner side of the leakage-proof infusion tube, a urethral catheter is fixedly connected to the inner side of the air bag infusion tube, and a reinforcing tube is arranged at the bottom end of the leakage-proof infusion tube; the reinforcing tube is communicated with the urinary catheter, the top end of the air bag infusion tube is fixedly connected with a fixed air bag, the top end of the urinary catheter is fixedly connected with a urinary catheter head, a urinary catheterization hole is formed in the outer side of the urinary catheter head, and an external leakage-proof assembly is arranged at the bottom end of the reinforcing tube. By arranging the internal leakage-proof assembly and the external leakage-proof assembly, the ports, connected with the urine bag, of the in-vivo urine pipe and the in-vitro urine pipe are subjected to leakage-proof arrangement, all-directional urine leakage prevention is achieved, meanwhile, the connection stability with the urine bag can be enhanced through the external leakage-proof assembly, loosening caused by improper connection or later-stage shaking and other movement speeds is avoided, and the leakage-proof urine bag is convenient to use. Therefore, the urine leakage condition is avoided.

Disclosed herein are techniques related to insertion of a fluid conduit (e.g., a tube connected to a fluid reservoir or a cannula sharing a pre-assembled fluid path with such a tube). In some embodiments, an insertion mechanism can include one or more springs (e.g., torsion springs or compression springs). The one or more springs can cause a trocar or trocar glide to pierce tissue and insert into a fluid conduit. The one or more springs can further cause the trocar or trocar glide to be removed from the tissue.

This invention discloses a puncture and catheterization device, belonging to the field of experimental animal surgical instruments. It includes an outer tube assembly and a needle core assembly. The outer tube assembly comprises a flexible microcatheter and an outer tube base fixed to the proximal end of the flexible microcatheter, the outer tube base having an internal channel communicating with the flexible microcatheter. The needle core assembly comprises a solid puncture needle and a needle core base fixed to the proximal end of the puncture needle. The needle core base and the outer tube base are detachably connected. In the assembled state, the tip of the puncture needle is located outside the distal end of the flexible microcatheter. Compared to leaving a hollow needle core in the body as a suture channel, the puncture and catheterization device of this invention reduces one nesting layer, allowing for a smaller overall outer diameter while maintaining puncture rigidity, thus adapting to rodents with more delicate blood vessels.

The utility model provides a clinical nursing catheterization device, belongs to the technical field of clinical nursing, mainly aims at solving the problem that a traditional catheterization device is prone to urine backflow in the catheterization process, and adopts the technical scheme that the clinical nursing catheterization device comprises a urine collection box, a sealing cover is arranged at the top of the urine collection box, and a catheterization backflow prevention assembly is arranged at the top of the sealing cover; the urethral catheterization backflow prevention assembly comprises a urethral catheter, a magnetic suction valve and a stop block are arranged in the urethral catheter, a miniature magnetic ball is arranged on one side of the magnetic suction valve, a urine guide groove is formed in one side of the magnetic suction valve, an air suction pipe is arranged at the top of the sealing cover, and a small air suction pump is arranged at one end of the air suction pipe; vacuum absorption pressure is applied to the interior of the urine collecting box through the small air pump, urine is guided to flow into the urine collecting box, after catheterization is finished, the small air pump is closed, and the miniature magnetic ball originally connected with the magnetic suction valve in a magnetic suction mode can be connected with the magnetic suction valve again, so that backflow of the urine is prevented; the problem that a traditional urethral catheterization device is prone to urine backflow in the urethral catheterization process is solved.

The invention discloses a combined urethral catheterization device for cardionephrology department nursing, and belongs to the technical field of medical instruments, the combined urethral catheterization device comprises a urethral catheter, a catheter head and an air bag, the catheter head is arranged at the insertion end of the urethral catheter, a telescopic mechanism is arranged in the insertion end of the urethral catheter, and the catheter head is arranged at the moving end of the telescopic mechanism; the air bag is arranged on the outer surface of the moving end of the telescopic mechanism in a wrapping manner; the combined urethral catheterization device for cardionephrology department nursing further comprises a pneumatic mechanism arranged in the urethral catheter, and the pneumatic mechanism is communicated with the air bag and an air cavity of the telescopic mechanism. According to the combined urethral catheterization device for cardionephrology department nursing, through the innovative design of the telescopic mechanism and the pneumatic mechanism, automatic contraction and expansion control of the air bag is achieved; the stimulation and damage to the urethra in the urethral catheterization process are effectively reduced, and the safety and comfort of urethral catheterization are improved. Meanwhile, the device integrates the functions of catheterization, flushing and automatic adjustment, is suitable for various clinical scenes, and has good application prospects.

In various embodiments, an improved catheter insertion device is described that provides an improved flashback response and use for deep vein access. In various embodiments, the improved flashback response comprises two separate and distinct flash events, the first indicating insertion of a cannula in a blood vessel, and a second indicating insertion of a catheter in the blood vessel. The two flash responses are made possible by a combination of features provided on the cannula, such as including a view window in the cannula and a flat relief portion on the outer surface of the cannula at the distal opening.

The invention relates to a system for assisting urinary catheterization in women. The invention specifically includes a labial spreader, a toilet aid, and a catheterization device. The system can also be used to support gynecological diagnostics and therapy.