56 results about "Indwelling catheter" patented technology

The utility model relates to a urethra traction device, and belongs to the technical field of medical instrument structures. The device comprises a traction frame and a fixer, and is characterized in that the traction frame is formed by sequentially and vertically connecting a first telescopic rod, a second telescopic rod and a third telescopic rod, a first pulley is mounted at one end of the first telescopic rod, the other end of the first telescopic rod is vertically connected with one end of the second telescopic rod, and the other end of the second telescopic rod is vertically connected with the third telescopic rod; the top end of the third telescopic rod is provided with a second pulley, the third telescopic rod is fixedly connected with a fixator through a bridge plate, and the side face of the fixator is provided with a third pulley. The postoperative traction device is scientific and reasonable in structure and easy to operate, can provide continuous and stable traction force for the indwelling catheter needing to be pulled after the surgery, achieves the effects of compression hemostasis and infection prevention, can adjust the length of the telescopic rod, is suitable for patients of various body types, can keep warm for the patients and protect privacy, and solves the problems that no available equipment is available for traction after the urinary surgery, and the traction cost is low. And the discomfort of the patient is increased by using gauze.

A dialysis system having motor driven pressure estimation of fluid within a patient line is disclosed. A peritoneal dialysis (“PD”) system includes a fluid pump and a patient line that fluidly couples the fluid pump to an indwelling catheter leading into a patient's peritoneal cavity. The PD system also includes a motor driver that controls a motor of the fluid pump and transmits an output signal that is indicative of a load on the motor. The PD system further includes a machine learning algorithm that associates data related to output signals from motor drivers with known fluid pressures within patient lines. A processor of the PD system transmits an input signal to activate the motor driver, receives the output signal from the motor driver, and estimates a fluid pressure within the patient line by applying the data from the received output signal to the machine learning algorithm.

The utility model provides a special magnetic hole towel for extracorporeal membrane oxygenation catheterization, which comprises a first protective layer, a second protective layer and a magnetic hole towel, the first protective layer is provided with an adhesive layer along a first side of the thickness of the first protective layer, and the second protective layer is provided with a first magnetic piece along a second side of the thickness of the first protective layer; the hole towel comprises a first protection layer and a second protection layer, the second protection layer is a hole towel body, the area of the second protection layer is larger than that of the first protection layer, a second magnetic attraction part is arranged on the second protection layer, and magnetic attraction force exists between the second magnetic attraction part and the first magnetic attraction part. The magnetic drape special for the extracorporeal membrane oxygenation indwelling catheter has the advantages of being good in protection effect, not prone to moving, convenient to use and the like.

A measurement device may be used with an indwelling catheter. The measurement device can include a housing from which a stylet extends. The housing can include circuitry for receiving measurements from one or more sensors on the stylet. The circuitry may also include a wireless module for wirelessly transmitting the measurements to a patient's electronic medical record or monitoring device.

The utility model discloses an anti-seepage abdominal cavity puncture indwelling catheter drainage device which comprises a flexible drainage tube (1), a drainage channel (2) is formed on the inner side of the drainage tube (1), a flexible sheath (3) is arranged on the outer side of the drainage tube (1), the front end of the sheath (3) is closed, a water injection channel (4) is formed between the sheath (3) and the drainage tube (1), a connector (5) is arranged at the rear end of the drainage tube (1), and the rear end of the sheath (3) is fixed with the connector (5). A drainage connector (6) and a water injection connector (7) are arranged on the connector (5), the drainage connector (6) is communicated with the rear end of the drainage channel (2), the water injection connector (7) is communicated with the rear end of the water injection channel (4), a one-way valve (8) is arranged between the water injection connector (7) and the water injection channel (4), and a bag sleeve (19) is arranged in the front area of the sheath (3). The utility model has the advantages that the pain of a patient is not increased during use, the fixation is firm, and the effusion is not easy to seep.

The thoracic cavity closed drainage tube comprises a drainage tube body, a sliding sleeve is arranged in the drainage tube body, an annular groove is formed in the outer side surface of the sliding sleeve, a first annular elastic air bag and a second annular elastic air bag are arranged in the annular groove, and a plurality of annularly-distributed positioning holes are formed in the drainage tube body; the sliding sleeve is connected with a second air pipe pulling the sliding sleeve to move in the drainage pipe, one end of the second air pipe communicates with the second annular elastic air bag, and the other end of the second air pipe extends out of the drainage pipe and is connected with an air pressure detection unit. The side holes can be blocked in the indwelling catheter process, liquid in the chest cavity is prevented from flowing out of the side holes too early, and whether the last side hole smoothly enters the chest cavity or not can be rapidly and visually judged according to the reading of the external air pressure detection unit. The positioning holes are further used for being matched with the positioning holes to form a plurality of flexible positioning convex points to assist the drainage tube in positioning, and great convenience is brought to intubation operation of the drainage tube.

The positioning device comprises the puncture indwelling catheter, the surface of the puncture indwelling catheter is fixedly sleeved with a catheter fixing piece, side plates are arranged on the left side and the right side of the catheter fixing piece correspondingly, and fixing holes are formed in the surfaces of the side plates; a pair of adjusting supports is symmetrically installed on the left side and the right side of the catheter fixing piece, and the whole adjusting supports are in a triangular shape and protrude towards the outer side of the catheter fixing piece. By arranging the adjusting bracket, the fixed plate, the movable plate and the fixed notch, when the tightness of a suture needs to be adjusted, a medical worker can hold the upper part of the adjusting bracket and adjust the position of the movable plate downwards or upwards, so that the movable plate slides on the surface of the catheter fixing sheet; therefore, the protruding amplitude of the suture after being extruded by the fillet on the outer side of the fixing plate is controlled, the tightness of the suture is adjusted, the problems of pain and the like possibly caused by the fact that the suture pulls the skin can be avoided, and the use safety of the puncture indwelling catheter is further improved.

The present disclosure generally relates to fluid therapy based on patient data, and associated systems, devices, and methods. Embodiments of the present technology can obtain multiple inputs of urine output volume data from a patient without using an indwelling catheter, determine an accumulated volume of urine output data based on the obtained multiple inputs, and adjust the patient's fluid therapy based on the accumulated volume and / or the obtained multiple inputs. Additionally, or alternatively, embodiments of the present technology can include one or more sensors that measure a volume and / or a change in volume of urine within the patient's bladder to determine a urine output rate of the patient, without using an indwelling catheter. Accordingly, embodiments of the present technology can advantageously manage a fluid therapy for patients that refuse an indwelling catheter.

The utility model relates to a PICC catheter indwelling auxiliary cart which comprises a cart body, the cart body comprises a table top, a storage rack is arranged above the table top, guardrails are arranged on the periphery of the table top, supporting legs are arranged below the table top, a storage device is arranged at the bottom of the table top, a connecting piece is arranged on one side of the table top through bolts, and the connecting piece is hinged to an arm supporting device. The arm supporting device comprises a supporting plate, a soft cushion and a lifting supporting rod, the bottom of the lifting supporting rod is hinged to the connecting piece through a first rotary knob, the lifting supporting rod is hinged to the supporting plate through a second rotary knob, the soft cushion is connected with the supporting plate through a bolt, the lifting supporting rod can freely adjust the height of the supporting plate vertically, and the supporting plate can move. According to the utility model, the support function can be provided for meeting the requirements of arms of patients with different body positions and different heights, the fatigue of the patients is relieved, the comfort is improved, the pollution caused by the physical strength of the patients in the disinfection process is avoided, and the indwelling catheter requirements in different environments are met.

A self-retracting indwelling catheter for preventing blood leakage, relating to the area of ​​medical devices, comprises a catheter unit (1) and a needle tube unit (2) on the catheter unit (1), wherein the catheter unit (1) comprises a mounting base (11) and a catheter (12), the catheter (12) being mounted on and passing through the mounting base (11), the needle tube unit (2) comprising a mounting housing (21), a needle tube (22) and a needle holder (23), the needle holder (23) being connected to the needle tube (22), the needle holder (23) being slidably arranged in the mounting housing (21), one end of the needle holder (23) protruding from the mounting housing (21) into the catheter (12), the mounting housing (21) being connected to the mounting base (11), and a locking assembly (3) being arranged on the mounting housing (21).and wherein the locking assembly (3) limits circumferential movement of the mounting housing (21) on the mounting base (11). This invention increases the success rate of indwelling catheter puncture by solving the problem of deviation of the cannula stylet's beveled edge, which leads to a lower success rate.

The invention relates to the technical field of medical instruments, in particular to an interventional drug sustained release microsphere injection device which comprises a base, and a drug pushing mechanism, a drug mixing mechanism, a valve mechanism and a control mechanism are arranged on the base. The medicine pushing mechanism is provided with a medicine pushing injector used for pushing medicine, the medicine mixing mechanism is provided with a medicine storage injector used for temporarily storing the medicine, the valve mechanism comprises a three-way valve and a hose, two connectors of the three-way valve are connected with the medicine pushing injector and the hose respectively, the other connector of the three-way valve is used for being connected with an indwelling catheter, and the hose is connected with the medicine storage injector. By additionally arranging the oscillating mechanism and the control mechanism, the operation is convenient, the medicine storage injector can be oscillated and uniformly mixed, manual shaking is not needed, the medicine pushing injector is repeatedly pushed and drawn, the uniformity of microspheres in the injection is high, the whole interventional treatment time is shortened, and the surgical risk is reduced.

1. Name of the product in this design: Pressure measuring connection tube with sealed blood collection point. 2. Purpose of this design: For replacement of the proximal tubing segment of an invasive blood pressure sensor, wherein the "proximal tubing segment" is the tubing segment directly connected to the interface of the invasive blood pressure sensor and the indwelling catheter. 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 rendering 1.

The utility model provides an infant paper diaper for fixing a postoperative indwelling catheter. The infant paper diaper comprises a paper diaper body, a silica gel protective cover, a catheter fixing hook-and-loop fastener, a catheter and a silica gel tube. The front side of the paper diaper main body is connected with the silica gel protective cover; an opening matched with the silica gel protection cover is formed in the outer wall of the front side of the paper diaper main body; catheter fixing sticking buckles are arranged on the two sides of the waist part of the paper diaper main body; a hole is formed in the center of the front side of the silica gel protective cover; a plurality of silicone tubes are arranged outside the silicone protective cover; and a positioning sticking buckle is arranged on one side of the bottom of the silica gel protection cover. According to the utility model, the silica gel protective cover is arranged, so that a certain safe distance can be formed between the catheter and an intubation area after an operation, and the operation area can be prevented from being touched; meanwhile, the silica gel tube is fixed in the silica gel tube fixing clamping groove outside the silica gel protective cover, so that the catheter is easier to adjust.

The invention provides a subcutaneous infusion device. The subcutaneous infusion device comprises a base, a first sealing part, a second sealing part, a first cover body and a second cover body, the base is provided with an infusion cavity which is provided with a first opening, a second opening and a third opening. The second opening is used for the indwelling catheter to penetrate through; the first sealing part blocks the first opening; the second sealing part blocks the third opening; wherein the first axis and the second axis are arranged at an angle; the first cover body and the second cover body are detachably connected with the base respectively; the first cover body is provided with a puncture needle hole, and when the first cover body is connected with the base, the puncture needle is allowed to penetrate through the first sealing part along the first axis through the puncture needle hole to penetrate into the indwelling catheter; the second cover body is provided with an infusion needle connecting part arranged along a second axis, and when the second cover body is connected with the base, an infusion needle connected with the infusion needle connecting part penetrates through the second sealing part along the second axis to be communicated with the infusion cavity.

The invention belongs to the field of biological medicine, and particularly relates to a medicine for treating EGFR mutation non-small cell lung cancer meningeal metastasis, application, a medicine box and a preparation method of the medicine, the medicine is a freeze-dried powder preparation or injection of EGFR-TKIs for subarachnoid space injection, the amount of EGFR-TKIs per person in the medicine is 0.01-5 mg, and the amount of EGFR-TKIs in the medicine is 0.01-5 mg. The injection method comprises any one of lumbar puncture, bridge forebay indwelling catheter injection and Ommaya capsule injection. The prepared EGFR-TKIs injection can be directly injected into the subarachnoid space, the drug concentration in cerebrospinal fluid of a patient is greatly improved, the cerebrospinal fluid / plasma concentration ratio of the EGFR-TKIs injection is increased from far less than 1 to more than 2 times and even can reach more than 10 times, and the EGFR-TKIs injection can completely solve the problem of insufficient dosage caused by a blood-brain barrier after oral administration of a targeted drug and has a good application prospect. The medicine takes effect quickly, and the treatment effect on lung cancer meningeal metastasis can be remarkably improved.

The utility model discloses a fixing device for an indwelling pipeline, which comprises a belt-shaped body provided with a middle narrow part and two wide parts extending outwards from the two ends of the middle narrow part; the fixing part is arranged on the middle narrow part, the fixing part is wound or arranged on a pipe body of the indwelling pipeline in a sleeving mode, and the indwelling pipeline is wound by the middle narrow part to be fixed. The indwelling catheter can be more stably fixed, the binding circumference can be adjusted in time according to the body type of a patient, and pressure sores, indentations and tightening marks caused to the skin in the using process are effectively avoided.

The utility model discloses an indwelling catheter for nasolacrimal duct recanalization, which comprises a catheter body, a first catheter and a second catheter, the first catheter is made of elastic materials, the inside of the first catheter is centered, the second catheter is positioned on one side of the first catheter, the second catheter is communicated with the outside through a one-way valve, and the other end of the second catheter is communicated with a liquid storage bag; the liquid storage bag is arranged in the catheter body, and the distance between the liquid storage bag and the outer wall of the catheter body is smaller than that between the liquid storage bag and the first catheter; the through groove is wound on the outer wall of the pipe body, the cross section of the through groove is circular, a functional strip made of a porous silica gel material is embedded in the through groove, and a sensor is further arranged in the functional strip; and two pull wires are provided. The pull wire penetrates through the nasolacrimal duct, the duct body is pulled to penetrate into the nasolacrimal duct, the duct body stays in the nasolacrimal duct, one end of the first duct is close to the lacrimal sac, the other end of the first duct is communicated with the nasal cavity, and tears are drained into the nasal cavity; the liquid storage bag expands after being filled with water and is clamped in the lacrimal sac, and the functional strip arranged in the through groove can slowly release medicine, collect data through the sensor and transmit the data to external equipment.

The utility model discloses an integrated nasal indwelling catheter external adjustable fixing device, including mounting panel, the both sides of mounting panel all are fixedly connected with bandage, and two groups of bandage are divided into two ways and are fixedly connected together in the position of patient's cheek part, and the front side middle part of mounting panel is fixedly installed with the C type strip for placing catheter, and one side end of C type strip is fixedly connected with arc strip. The utility model discloses through the setting of bandage and C type strip and arc strip, and the bandage of mounting panel both sides is connected together in two ways in patient's cheek part, can firmly fix the device on patient's face, prevents it from shaking, shifting in the use process, simultaneously, according to the depth that arc strip inserts the containing groove, thereby adjusts the size of arc strip and C type strip's encircled space, and then can fix different model catheter, can satisfy the catheter fixing demand under different medical scene, has higher commonality.

The invention relates to the technical field of medical instruments, in particular to an indwelling catheter with a valve element, which comprises a catheter and a catheter seat, an extension tube is connected with an infusion connector assembly to form a liquid medicine channel of the indwelling catheter, the valve element is arranged in the channel, and the head of the valve element is matched with the inner diameter of a catheter liquid outlet for sealing; the valve element is arranged in the extension pipe of the liquid medicine channel, and pushing or pulling back of the valve element along the liquid medicine channel and the guide channel is achieved through the driving device. Driving modes of different embodiments are innovatively applied to drive the valve element in the channel, the purpose of closing and opening the liquid medicine channel from the interior of the channel is achieved, blood is prevented from flowing back to the interior of the catheter from the source, core inducements of catheter blocking and thrombus formation are thoroughly eradicated, and the frequency of flushing and sealing the catheter is greatly reduced. The valve core flexibly moves in the catheter, so that the valve core is prevented from being polluted by contacting with the outside, and the appearance of the catheter seat is not enlarged to cause inconvenience in attaching to a human body during retention; the design directly solves the problem that a traditional indwelling catheter depends on frequent flushing and sealing of the catheter and causes pain points of catheter blocking and thrombus. Not only is the workload of medical staff reduced, but also the clinical medical risk is greatly reduced.

The utility model discloses a disposable drainage bag with indwelling drainage catheter, include: fullness reminding mechanism, fullness reminding mechanism is equipped with a plurality of drainage bag body, install the connecting pipe on the drainage bag body, the connecting pipe is equipped with detachable indwelling catheter, fullness reminding mechanism includes bottom plate, the top wall of bottom plate is fixedly bonded and has the enclosure, the inner chamber of enclosure is provided with the supporting plate, the bottom wall of supporting plate is fixedly installed with a plurality of springs, the bottom of spring is fixedly installed on the top wall of bottom plate, the bottom wall of supporting plate is fixedly installed with the touch column, the top wall of bottom plate is fixedly installed with the touch switch, the touch switch sets up the just below of touch column, the bottom wall of bottom plate is fixedly installed with the alarm, the front side wall of enclosure is fixedly installed with the scintillation lamp, the utility model discloses can realize fullness reminding function, and it is convenient for reminding the caretaker to change in time after the drainage bag body needs to change, and the practicality is stronger.

The invention provides a male patient indwelling catheter leakage-proof device, and relates to the technical field of medical instruments, the male patient indwelling catheter leakage-proof device comprises a urine storage bag, a urine collection bag, two fixing assemblies and a Y-shaped tube, the urine storage bag is used for wrapping the scrotum of a patient to collect leaked urine; the urine collection bag is used for collecting leaked urine and urine discharged by the catheter; the two fixing assemblies are arranged on the urine storage bag in a crossed mode and used for being fixed to the lower abdomen of a patient. An opening through which the catheter can penetrate out of the urine storage bag is formed between the two groups of fixing components and the urine storage bag; a first port of the Y-shaped tube is connected with the bottom of the urine storage bag, a second port is used for being connected with a catheter, and a third port is used for being connected with a urine collection bag. According to the invention, leaked urine can be drained into the urine collection bag.

The utility model belongs to the technical field of underpants, and particularly relates to detachable lady underpants for indwelling catheterization patients, which comprise an underpants body consisting of a front piece and a rear piece, the lower parts of the front piece and the rear piece are integrally arranged, the two sides of the upper part of the front piece are fixedly connected onto the rear piece through elastic binding belts, an indwelling opening is formed in the front piece, and the indwelling opening is communicated with the indwelling opening. A pipeline fixing piece is arranged on the face, not in contact with the human body, of the front piece, and limiting pieces are evenly distributed on the pipeline fixing piece. According to the utility model, the pipeline fixing piece is adhered to the front piece of the underpants, so that after the underpants are worn, the catheter penetrating through the indwelling opening can be fixed in the limiting clamping hook of the pipeline fixing piece, the catheter is stably and effectively fixed, the catheter is prevented from sliding and falling off, the stability of the catheter in the use process is further improved, and the service life of the catheter is prolonged. Meanwhile, the pipeline fixing piece is connected to the underpants in a bonding mode and can be bent into a needed shape, and the pipeline fixing piece is easy, convenient and fast to use and convenient to use.

The invention discloses a peritoneal drainage device, which belongs to the technical field of peritoneal drainage, and comprises an indwelling tube, one end of the indwelling tube is provided with a drainage tube used for being connected with an external drainage collection bag, and a protection assembly which is arranged on the indwelling tube and comprises a circular groove seat connected to the outer surface of the indwelling tube, a plurality of folding blocks capable of relatively sliding are arranged at the bottom of the circular groove seat and used for folding muscles around a wound of a patient, and a winding traction rope is arranged at the top of each folding block. According to the medical indwelling catheter, by arranging the protection assembly, skin tension caused by body position changes or muscle activities is effectively resisted, a good involution environment is provided for wound healing, secondary injury of wounds is avoided, meanwhile, the multiple winding traction ropes can be evenly and tightly wound around the outer section of the indwelling catheter body in a spiral mode, and therefore the wound traction ropes are not prone to falling off. And a spiral outer wrapping layer with a synergistic constraint effect is formed, so that the radial supporting performance and the bending rigidity of the indwelling tube are enhanced.

The utility model belongs to the field of nursing, and relates to a bath stool for an indwelling catheterization patient. The support frame is connected to the bottom of the stool panel; the storage unit is arranged on the side edge of the supporting frame; the middle of the front part of the stool panel is sunken downwards to form a front guide slope, and / or the middle of the rear part of the stool panel is sunken downwards to form a rear guide slope, and the front guide slope is not communicated with the rear guide slope. After the structure is adopted, the drainage device has the beneficial effects that the structure is simple, the practicability is strong, a user sits at the upper end of the cushion, and an indwelling catheter is downwards guided through the front guide slope, so that the user keeps the most comfortable position, and meanwhile, the drainage is kept smooth.

The invention relates to the field of medical instruments, in particular to a PCS magnetic control indwelling catheter, an implantation assembly and a displacement control method and system.The PCS magnetic control indwelling catheter comprises a medicine box body implanted subcutaneously and a catheter in fluid communication with the medicine box body, and the catheter comprises a transfusion channel and an electromagnet channel; a recovery mechanism used for containing the electromagnet assembly and a control module used for supplying power are arranged in the medicine box body, a locking device capable of being activated according to needs is integrated in the electromagnet assembly, and the locking device is configured to be capable of responding to an instruction from the control module to be locked after the electromagnet assembly reaches the terminal point of the moving stroke of the electromagnet assembly. Therefore, a temporary rigid anchoring point is formed in the conduit. According to the invention, the electromagnet assembly moves under the guidance of an external magnetic force source, and is matched with the anchoring function of the locking device, so that non-invasive and accurate displacement control of the far end of the indwelling tube is realized, and the tail end of the electromagnet channel can be permanently sealed through high-temperature ironing after cutting, so that the safety is improved.

A blood draw device for advancing a catheter into an indwelling catheter includes an introducer having a housing, an advancement member movable relative to the housing to move the catheter between a first position where the catheter is disposed within the introducer, and a second position where a distal end portion of the catheter is disposed beyond the distal end portion of the introducer. One or more catheter support inserts are positioned between the advancement member and the distal end portion of the housing, with each of the catheter support inserts defining a passageway therein that receives the catheter to provide support thereto. Each catheter support insert includes first and second end discs having an opening through which the catheter is routed and a flexible hinge member disposed between the first and second end discs and flexes so as to vary a distance between the first and second end discs.

The utility model discloses an anti-drawing fixing device for a nasal indwelling catheter, which belongs to the technical field of medical instruments and comprises a catheter body and a fixator, and a first clamping hole matched with two ends of the catheter body and a second clamping hole matched with the nasal indwelling catheter are symmetrically arranged on the fixator. When the fixator is in an open state, the tube body can penetrate through the first clamping hole, and the nasal indwelling tube can penetrate through the second clamping hole; when the fixator is in a locked state, the first clamping hole can clamp a tube body, and the second clamping hole can clamp and fix a nasal indwelling catheter.

The dialysis remaining needle comprises a puncture needle tube assembly and a remaining catheter assembly, the puncture needle tube assembly comprises a needle seat, a puncture needle arranged at the front end of the needle seat and an exhaust connector arranged at the rear end of the needle seat, and an insertion hole communicated with the puncture needle is formed in the rear end of the needle seat; through holes are formed in the two ends of the exhaust connector in a penetrating mode, exhaust holes are formed in the two ends of the exhaust connector, the front end of the exhaust connector is provided with an insertion part which can be inserted into the insertion hole to achieve connection, and the end of the insertion part is provided with a water-blocking breathable film capable of achieving water blocking and breathability. The dialysis remaining needle is compact in structure, low in manufacturing cost and good in using effect.

An open balloon indwelling catheter for drainage from, irrigation to, and retention within a patient's body cavity. The indwelling catheter has a hollow tube catheter member. A double walled balloon having an inner wall and an outer wall is attached to a sidewall of the hollow tube catheter member. The hollow tube catheter member has catheter orifices formed through the sidewall in an area covered by the double walled balloon. Balloon orifices are formed through the double walled balloon for passage of fluid from the body cavity. An inflation passageway is created between the inner and outer walls of the ballon for inflating the double walled balloon. When the double walled balloon is inflated the bodily fluid is transmitted from the body cavity through the balloon orifices and the catheter orifices to a catheter lumen for disposal.