52 results about "Indwelling catheters" patented technology

The invention provides a positioning auxiliary device for a peripheral arteriovenous puncture indwelling catheter. The positioning auxiliary device for the peripheral arteriovenous puncture indwelling catheter comprises a bottom plate, a support and a positioning structure; and the positioning structure is arranged on one side of the support. According to the positioning auxiliary device for the peripheral arteriovenous puncture indwelling catheter provided by the invention, the positioning structure is arranged and can be used in cooperation with the puncture indwelling catheter; the positioning auxiliary device serves as an auxiliary positioning structure of the puncture indwelling catheter; assistance is provided for practice medical staff; the puncture indwelling catheter is effectively positioned when arteries of a patient are punctured; the practice medical personnel only need to push the puncture indwelling catheter to move; the puncture indwelling catheter does not need to be held by hands to move all the time; then, the direct contact area of the hand and the puncture indwelling catheter is greatly reduced; even if the conditions of hand shaking, hand slipping and the like due to tension occur, the influence on the puncture indwelling catheter can be reduced to the minimum; and therefore, the puncture indwelling catheter always moves in a relatively stable state, so that the puncture success rate is greatly improved.

The invention discloses an indwelling needle with an infusion channel with a variable radial size, which comprises an indwelling catheter assembly and a puncture needle assembly, and is characterizedin that the indwelling catheter assembly comprises an indwelling base and a hollow indwelling catheter arranged at a first end of the indwelling base and communicated with the indwelling base; the puncture needle assembly comprises a puncture needle body and a puncture needle base arranged at one end of the puncture needle body. The other end of the puncture needle body is a puncture end, and thepuncture end enters from the second end of the indwelling base and penetrates out from the orifice of the indwelling catheter; the first end of the indwelling base is communicated with the second endof the indwelling base; wherein the hollow part of the indwelling catheter is an infusion channel through which infusion liquid flows in the using process of the indwelling needle, and in the indwelling process, the radial size of the infusion channel can be increased. According to the indwelling needle with the infusion channel with the variable radial size, the puncture pain of a user can be reduced; in the operation process, the function of rapidly supplementing liquid can be achieved by enlarging the infusion channel.

The invention provides an acupoint pre-embedded needle, which is characterized in that it includes an indwelling structure and an acupuncture structure, the indwelling structure includes a catheter and a needle seat, the catheter is a soft hollow tube, and the end of the catheter is tightly sleeved with a guide connecting sleeve , the guide connection sleeve is embedded in the needle seat, the needle seat is a flat structure, the upper surface of the needle seat is a non-porous sealing surface, the acupuncture structure includes the needle core and the needle handle, the end of the needle core is fixedly connected with the needle handle, the needle The core passes through the needle seat of the indwelling structure, the guide connecting sleeve enters the catheter and is in close contact with the catheter. The needle tip at the front end of the needle core exceeds the outside of the catheter. Compared with the prior art, the present invention can indwell the indwelling for a long time in a safe and comfortable state. The catheter is placed in the superficial and deep layers of the acupoints to achieve the purpose of stimulating the acupoints for a long time without obvious discomfort and allergic reaction, and has a simple structure and no toxic and side effects.

The invention discloses an indwelling catheter whole-process control management system based on an HIS system. The system comprises the HIS system, an indwelling catheter management system, a centralprocessing unit and a database server. The HIS system is a hospital information system; and the indwelling catheter management system comprises a catheter risk assessment module, a catheter maintenance module, a manager monitoring module, an adverse event reporting module and a doctor-nurse-patient-catheter interaction module. According to the invention, maintenance, monitoring and guidance provision are carried out on the indwelling catheter, and are an innovation of a nursing concept, patient information is automatically acquired based on the HIS system, clinical nursing decision support isprovided for clinical nursing personnel and managers through an informationized and systematized working process, and the working efficiency is improved.

The invention discloses a maintenance method of a central venous catheter with a dacron sleeve. The maintenance method comprises the steps of: preoperative evaluation, psychological nursing, catheterimbedding through cooperation of doctors, catheter use, catheter function recognition and prevention and medication guidance. Psychological nursing needs to do thought work of patients before catheterization; the importance, steps, operation methods and cost policies of hemodialysis catheterization are explained to patients and family members, and patients with the indwelling catheter after dialysis for many years are asked to be persuasive, so that the medical staff is trusted, and the anxiety fear of the patients is eliminated; unified training specification operations are performed, after the dacron sleeve catheter is successfully remained in the patients, propaganda and education such as skin medication self-observation are enhanced, and when complications occur, positive support is provided for symptomatic treatment, standardized working procedures and operation links are continuously improved by formulating an overall nursing measure system and developing management means such asa scientific advanced management method, a PDCA cycle management mode and department quality control. According to the invention, complications of the hemodialysis catheter with the dacron sleeve aregreatly reduced, the service life of the catheter is prolonged, and the catheter plays an important role in improving the vascular access problem and enabling a patient to obtain good dialysis treatment.

The invention discloses a disposable metal rivet-free indwelling needle. The disposable metal rivet-free indwelling needle comprises a steel needle, a catheter block and an indwelling catheter, wherein the inside of the catheter block is provided with a through hole so that the steel needle can penetrate through; the inner wall of the indwelling catheter and the outer wall of the steel needle aretightly attached, and no metal rivet is arranged inside the catheter block. The disposable metal rivet-free indwelling needle saves metal rivets to avoid chemical reaction between metal and infused medicine liquor as well as toxic substance; meanwhile, the disposable metal rivet-free indwelling needle is also applicable to patients having CT (computed tomography), avoids indwelling needle withdrawing due to influence of metal on CT and accordingly to relieves pain for the patients; besides, the disposable metal rivet-free indwelling needle can also avoid the problem of heavy metal pollution and improve the infusion safety.

The invention discloses a traditional Chinese medicine composition for preventing infection of the skin at a catheter opening of a central vein indwelling catheter. The traditional Chinese medicine composition is prepared from, by weight parts, 15-20 parts of viola mandshurica, 15-20 parts of climbing groundsel herb, 10-15 parts of ampelopsis japonica, 10-15 parts of cortex dictamni, 10-15 parts of campsis grandiflora, 8-12 parts of cortex albiziae, 8-12 parts of aloe, 5-10 parts of siegesbeckia pubescens, 5-10 parts of rhizoma osmundae, 5-10 parts of fineleaf schizonepeta herb, 3-6 parts of humifuse euphorbia herb and 3-6 parts of dendrobium nobile. The invention further discloses a method for preparing the traditional Chinese medicine composition. The traditional Chinese medicine composition has effects of clearing heat and removing toxicity, promoting circulation and removing stasis, removing slough and promoting growth of tissue regeneration, can effectively prevent infection of the skin at the catheter opening of the central vein indwelling catheter, is safe, and has no toxic or side effect.

A patient monitoring system may be used with catheters to monitor the infusion and drainage of any solution into the human body. The system may be used, for example, with in-dwelling catheters for peritoneal dialysis in end stage renal disease (ESRD) patients, urinary tract catheters, insulin pumps in diabetic patients, feeding tubes and central venous line catheters. The patient monitoring systemincludes one or more fluid pathways for infusing into and/or draining solutions out of the catheter, and one or more sensors to monitor the fluid. The patient monitoring system transmits the patientmonitoring data to a database, allowing data storage, processing, and access through graphical user interfaces to patients and providers via device applications or browser-based web access portals.

The invention relates to an indwelling catheter which comprises an outer tube and an inner tube, and the front ends of the inner tube and the outer tube are relatively and fixedly kept in a bladder through an in-vivo fixing device; the in-vivo fixing device comprises an umbrella-shaped part capable of being unfolded and folded, and the umbrella-shaped part comprises elastic strips and connecting films; the rear ends of the elastic strips are fixedly connected with the front end of the inner tube to form a framework of the umbrella-shaped part; and the connecting films wrap the elastic strips and are connected between the adjacent elastic strips to form an umbrella cover of the umbrella-shaped part. During use, the front end of the inner tube is fixedly connected with the umbrella-shaped part to form a funnel structure, urine in the bladder is sequentially discharged through the funnel, and the urine remaining at the bottom of the bladder seeps from gaps between the outer tube and the inner tube, forms a siphonic effect and is quickly discharged; and a unique fixing structure is adopted to ensure that the catheter is stably in place, meanwhile, the thoroughness of urination is improved, urine residues are reduced, and the probability of bacterial infection is effectively reduced.

The invention relates to a CVC indwelling catheter water flow detection device which comprises a base bracket, wherein the base bracket is fixedly connected with a base frame, the top part of the base frame is provided with a water outlet tank, the water outlet tank is connected with a water outlet pipe, the water outlet pipe is provided with an electromagnetic valve, the water outlet pipe is connected with a conversion pipe, the base frame is provided with a measuring cup, the electromagnetic valve is provided with a control circuit, the control circuit comprises a control module and a timing module, the timing module comprises a timer connected to the electromagnetic valve, when the electromagnetic valve is opened, the timer starts timing, when the timing time reaches a preset time value, the timing module transmits a water flow control signal to the control module, the control module is connected with the timing module and responds to the water flow control signal output by the timing module, and after the control module receives the water flow control signal, the control module controls the electromagnetic valve to be powered off and stop working. According to the CVC indwelling catheter water flow detection device, the work of testing the water flow of a CVC pipe can be normally and efficiently carried out, so that the workload of a user is reduced, and the working efficiency is improved.

The invention relates to the technical field of medical treatment, and particularly discloses a central venous indwelling catheter fixing band which comprises a first fixing band and a second fixing band, the side face of the first fixing band is fixedly connected with a first connecting band, the surface of the first fixing band is provided with a first through hole, and the surface of the first fixing band is fixedly connected with a soft band; the first connecting band and the second connecting band are arranged on the side faces of the first fixing band and the second fixing band, the patches on the first connecting band and the second connecting band are matched at the same time, the patches are pasted to the body of a patient to fix an indwelling catheter, meanwhile, the position of an intubation tube is located in the center of a first through hole, and therefore the indwelling catheter is fixed. The cover plate can conveniently cover the position of the intubation tube, the cover plate and the surface of the first fixing band are fixed through the mother buckle and the son buckle, medical staff can conveniently open the cover plate to observe the position of the intubation tube, and the phenomenon that the intubation tube is inflamed and cannot be treated in time is avoided.

The invention discloses an ultrasound visible tearable rapid exchange adjustable bending sheathing canal, the outer wall of a sheathing canal main tube (1) of the adjustable bending sheathing canal is provided with an indwelling catheter channel (5) used for constraining an indwelling catheter and/or a puncture needle, and the indwelling catheter channel (5) is provided with an easy-to-tear channel (53); the easy-to-tear channel (53) is arranged at the head end of the adjustable bending sheathing canal, so that the indwelling catheter channel (5) is torn by the easy-to-tear channel (53) before the adjustable bending sheathing canal retreats, the indwelling catheter and/or the puncture needle bound in the easy-to-tear channel (53) are/is indwelled, and the adjustable bending sheathing canal retreats out of the body of a patient. The positioning piece (2) can be clearly developed under ultrasound, so that accurate positioning of the head end of the adjustable bent sheathing canal is achieved, accurate conveying of an indwelling catheter and a puncture needle penetrating through the indwelling catheter is achieved, a specific medical instrument can also be assisted to enter the body of a patient through the internal jugular vein and extend to a target position under the guidance of ultrasound, and the medical instrument can be accurately conveyed to the patient through the internal jugular vein. And performing intracardiac diagnosis and treatment operation.

The invention discloses a blood collection indwelling needle, a blood collection indwelling assembly and an operation method, and the blood collection indwelling needle comprises a communication body, an inner flow channel, a needle head and a needle head, an indwelling catheter communicated with the internal flow channel; a blood sampling connecting end used for being detachably connected into a blood drainage device; and an acupuncture connecting end communicated with the internal flow channel, wherein the acupuncture connecting end is used for being detachably connected with an acupuncture device, and an indwelling needle of the acupuncture device can activate the acupuncture device when an indwelling needle tube is pulled out of the indwelling catheter, so that a needle tip is protected from being punctured by acupuncture. The blood collection connecting end is added to the blood collection indwelling needle and used for being connected with the blood drainage device. When blood sampling is carried out, secondary puncture does not need to be carried out on a patient, the pain of the patient is relieved, and meanwhile thrombosis caused by blood residues is avoided. Meanwhile, the blood sampling device can be pulled out of the communicating body after blood sampling, and the needle tube without the cutting edge cannot cause pricking injury.

The invention discloses an in-tumor directional perfusion chemotherapy indwelling tube. The in-tumor directional perfusion chemotherapy indwelling tube is specifically used by the following steps: 1) firstly, performing large-range ablation on the interior of a tumor by using an ablation needle; and 2) sleeving the chemotherapy indwelling tube on the puncture needle, placing the tail end of the needle tip into a proper part in a tumor on imaging positioning, injecting normal saline into the balloon, and fixing the near-end tube in the tumor. And 2) pulling out the puncture needle, closing the one-way valve, fixing the far-end tube on the skin, filling chemotherapeutic drugs into the tumor body through the tail end of the far-end tube, and clamping and closing. And 3) the local drenching dosage and frequency can be adjusted according to the tolerance of a patient during chemotherapy, the medicine is regularly drenched into the tumor body through the tube, and after the period is reached, the liquid in the balloon is pumped out, and the tube is pulled out. The novel chemotherapy indwelling catheter has the advantages that the chemotherapy indwelling catheter is fixed in a tumor body through the balloon; the indwelling tube is divided into a near-end tube and a far-end tube, and a slide way is arranged at the joint of the two tubes, so that traction feeling is avoided when organs move; a one-way valve is arranged at the tail end of the near-end tube and can prevent the tube from being blocked.

The invention provides a method and system for reminding people to take out an indwelling medical instrument. Catheter-taking reminding messages can be automatically sent to a patient and a doctor before a catheter-taking date, and the indwelling catheter information of the patient can be kept for retrieval of the patient and the doctor.