11 results about "Catheter indwelling" patented technology

An integrated peripheral intravenous (IV) catheter configured for blood draw both at the time of catheter placement and during catheter indwell. The peripheral IV catheter includes a catheter adapter having a catheter configured to be inserted into a patient's vasculature and a side inlet defining a fluid pathway into and out of the catheter. The peripheral IV catheter also includes a side port member having a main branch, the main branch including a distal end configured to couple the side port member to the side inlet of the catheter adapter and a connector portion accessible via a proximal end of the main branch. Additionally, the peripheral IV catheter includes a blood collection adapter removably and directly coupled to the connector portion of the side port member at the proximal end of the main branch. Furthermore, side pore member of the peripheral IV catheter may include a side branch.

The utility model relates to a kind of self-urination metal catheter, it includes the catheter body woven by metal wire, the distal end of catheter body is provided with bending anti-off structure to prevent the distal end of catheter body from being outwardly off from bladder in indwelling state, the proximal end of catheter body is close to external sphincter after passing through prostate area, the proximal end of catheter body is connected with fixed anchor placed in urethra by connecting line, fixed anchor is located at the outside of external sphincter and cannot slide to prostate area inwardly by the block of external sphincter, one end of fixed anchor is connected with traction rope, the other end of traction rope is stretched to patient's outside through urethra.The advantages are that new structure and material are used, infection risk can be effectively reduced, catheter indwelling time is prolonged, and stimulation to urethra or other urinary tissues is reduced;Catheter indwelling period does not need to use urine bag, and patient can self-control urination, improve life quality;Catheter body woven by metal wire is moderately soft and hard, and has good self-adaptability.

The utility model discloses a biopsy puncture device, and belongs to the technical field of medical instruments.In the biopsy puncture device, a limiting piece is arranged on a second component, and the limiting piece is used for limiting a first component, so that the first component can drive the second component to move towards a third component; the guide pipe is connected with the second component, so that the guide pipe can move along with the second component; the puncture needle can be connected with the first component, so that the first component drives the puncture needle to move when moving, the catheter can be driven to penetrate through the tissue together when the puncture needle punctures, the puncture needle can be withdrawn, the catheter is left in the tissue for subsequent operative treatment, and damage to the tissue in an operation is reduced.

The invention discloses a multi-parameter early warning method and system for catheter blockage risk prediction, and relates to the technical field of catheter blockage risk monitoring, and the method comprises the steps: obtaining multi-modal monitoring parameters of a patient during a catheter indwelling period, and building individual dynamic baselines corresponding to the parameters based on the data of the multi-modal monitoring parameters in an initial stable period; calculating a basic risk contribution value corresponding to the parameter according to the deviation between the multi-modal monitoring parameter at the current moment and the individualized dynamic baseline, and calculating a risk fluctuation entropy based on the time sequence fluctuation distribution of the parameter in the sliding time window; jointly inputting the basic risk contribution value and the risk fluctuation entropy into a risk accumulation channel for time sequence fusion, and meanwhile, triggering a risk attenuation channel in combination with a nursing intervention event to attenuate a fusion result to obtain a dynamic risk score; and analyzing the coordination consistency of different types of multi-modal monitoring parameters on time sequence fluctuation, and generating a multi-parameter fluctuation coordination index.

The visual jejunum tube comprises a catheter body and a guide wire assembly, the guide wire assembly is installed in an inner cavity of the catheter body, the guide wire assembly comprises a guide wire body, the camera, a carbon dioxide sensing element and an acidity sensing element, and a signal transmission line is embedded in the guide wire body. The camera is connected with the industrial control computer through a signal transmission line; the industrial control computer comprises a display screen, an alarm module and a data processing unit, and the alarm module is linked with a carbon dioxide sensing element arranged at the front end of the guide wire body. Images in the digestive tract can be transmitted in real time through the miniature camera integrated at the front end of the guide wire, an operator can clearly observe the advancing path of the catheter in cooperation with the shapeable guide wire, physiological stenosis and important tissue are accurately avoided, damage to the mucous membrane of the digestive tract is reduced, and the catheter indwelling success rate can be greatly increased.

The invention relates to the technical field of medical instruments, in particular to a disposable surgical drainage system with an image processing function, which comprises a drainage tube body, a visual component, a near-end connecting structure, a mobile terminal adaptation module and an AI image analysis module, the system aims at solving the technical problems that an existing medical drainage tube is single in function, depends on external imaging equipment for positioning in the implantation process and is prone to causing tissue damage during operation. The drainage tube is technically characterized in that a miniature 4K camera module and an LED lighting source are integrated at the tip of the drainage tube body, and tissue images in front of the tube end can be acquired and transmitted in real time; and the AI image analysis module is matched to complete lesion related parameter acquisition and property auxiliary discrimination. A doctor can directly observe a drainage path and a target area through external equipment and synchronously obtain auxiliary evaluation information. Accurate and safe catheter indwelling and auxiliary diagnosis are achieved. The device is mainly used for clinical drainage operations and bedside monitoring in neurosurgery, general surgery, thoracic surgery, cardiac surgery and abdominal surgery.

The utility model relates to the technical field of medical instruments, and discloses a drainage catheter indwelling fixator which comprises a drainage catheter body, a movable fixator is arranged on the outer wall of the drainage catheter body, a pressing block is connected to the inner wall of the movable fixator in a sliding mode, and a pressing side plate is fixedly connected to the side wall of the pressing block. A first spring is fixedly connected to the bottom of the pressing side plate, a second spring is fixedly connected to the interior of the movable fixator, an inner movable block is fixedly connected to one end of the second spring, a clamping block is fixedly connected to the side wall of the inner movable block, and a clamping groove is formed in the outer wall of the drainage catheter body. The side wall of the movable fixator is fixedly connected with a fixing assembly. According to the drainage catheter fixing device, the drainage catheter body can be stably fixed in the clamping groove in the middle of the movable fixator through the arranged movable fixator, the clamping block in the movable fixator and the clamping groove in the drainage catheter body are matched with one another, and the drainage catheter fixing device is convenient and fast to use and wide in application range.

The invention provides a hemodialysis catheter related blood flow infection risk screening system and method, and belongs to the technical field of medical management, and the system comprises an information input module which is used for inputting patient case information; the data acquisition module is used for acquiring multi-source data such as catheter indwelling operation records, catheter indwelling time and daily maintenance records; the risk screening module is used for screening catheter-related blood flow infection risks and determining risk levels; the evaluation module is used for evaluating the patient state and the catheter state; and the diagnosis judgment module is used for judging whether a catheter-related blood flow infection diagnosis standard is met or not and generating treatment intervention notification information. The method has the beneficial effects that by screening and determining the risk of blood flow infection related to the catheter, further evaluating the patient and catheter states, and combining an evaluation result, clinical manifestation and a microbiological examination result, judging whether an infection diagnosis standard is met and generating a treatment intervention notice, the screening efficiency is improved, and the infection occurrence rate is reduced; the treatment effect and prognosis of a patient are improved.

The application belongs to the field of biological medicine, and particularly relates to a drug for treating EGFR mutant non-small cell lung cancer meningeal metastasis, application, a medicine box and a preparation method of the drug, the drug is a lyophilized powder preparation or injection solution for subarachnoid injection of EGFR-TKIs, the amount of EGFR-TKIs in the drug is 0.01-5 mg per person, and the injection method comprises any one of lumbar puncture, injection through a catheter indwelled in the pre-bridge pool and Ommaya capsule injection. The prepared EGFR-TKIs injection solution can be directly injected into the subarachnoid space, greatly improving the drug concentration in the cerebrospinal fluid of the patient, the cerebrospinal fluid / plasma concentration ratio is increased from far less than 1 to more than 2 times, and even more than 10 times. The application can completely solve the problem of insufficient dose caused by the blood-brain barrier after oral administration of a targeted drug, and the drug has fast effect and can significantly improve the treatment effect of lung cancer meningeal metastasis.

The invention discloses an intelligent fixing patch integrating skin barrier protection and traditional Chinese medicine intervention, belongs to the technical field of medical treatment, and aims to solve the problems that the skin of a catheter position is protected, traditional Chinese medicine intervention can effectively prevent and treat red and swollen and pruritus possibly caused by catheter indwelling of an indwelling needle, and abnormal conditions such as errhysis, exudation and red and swollen of the catheter position are inconvenient to monitor in time. The intelligent monitoring and alarming device comprises a protective film, a medicine carrying gauze layer is arranged on one side of the protective film, an elastic cotton adhesive tape is bonded to the bottom layer of the medicine carrying gauze layer, a Y-shaped shearing opening is formed in the bonding end of the medicine carrying gauze layer and the elastic cotton adhesive tape, and an intelligent monitoring and alarming device is arranged at the Y-shaped shearing opening. Integration of the four functions of catheter fixation, skin barrier protection, traditional Chinese medicine intervention and intelligent monitoring is achieved, and the problem that a traditional fixing patch is single in function is solved.

The utility model provides an occluder bending structure and an occluder, and relates to the technical field of medical instruments.The occluder bending structure comprises a connecting pipe, a fixing block, a hose, an inflation pipe, a wrapping catheter, a supporting pipe and a bronchial catheter, and the connecting pipe is provided with a hose imbedding end, an insertion section, a supporting pipe cavity and an inflation cavity; an inflation tube connecting hole and a supporting tube connecting hole are formed in the hose. According to the scheme, the bending structure of the plugging device is simple in structure process, can be achieved through welding, bonding and other processes, is low in achieving difficulty and cost and can be used for low-value consumables; the overall structure of the adjusting structure is light, the overall mass of the plugging device is slightly increased, catheter indwelling is not affected, or the cuff is not displaced, the adjusting structure is small and exquisite, operation can be conducted with one hand, and the purpose of setting the adjusting angle is achieved by rotating the adjusting angle and arranging a clamping ball and a clamping groove.