3152results about "Medical devices" patented technology

The embodiment of the invention provides a breathing machine inspiration detection method and device and a computer readable storage medium, and the method comprises the steps: collecting first pressure data and first flow data in a current breathing period, and calculating a target flow baseline according to the first pressure data, the first flow data and a preset fitting formula; calculating a virtual traffic baseline according to the target traffic baseline and the first traffic data; if it is judged that the inspiration triggering state is not reached or the virtual inspiration flow change rate in the inspiration triggering state is smaller than a preset flow change threshold value, second pressure data and second flow data of the next respiratory cycle are continuously collected, and the virtual inspiration flow change rate is calculated; and judging that inspiration is detected until the detected virtual inspiration flow change rate is greater than or equal to the preset flow change threshold value. According to the invention, the phenomena of inspiration detection delay, group delay and the like can be avoided, the difference between detected inspiration and actual inspiration is reduced, and the sensitivity of inspiration detection is improved.

An implantable intratumoral infusion catheter comprises an intratumoral catheter formed of an elongated body having an internal lumen. An anchor mechanism is coupled to the elongated body. The anchor mechanism is configured to interact with a tumor or surrounding tissue to retain the catheter in the tumor.

A device may receive, by an intelligence analytics module of an intelligent dosing platform at least one applicable governance standard from a governance library. A device may determine, by the intelligence analytics module based on the at least one applicable governance standard, at least one analysis type to be performed regarding the request. A device may execute, by an artificial intelligence module of the intelligent dosing platform, the at least one analysis type with respect to the request according to the at least one applicable governance standard. A device may generate, based on a result of the at least one analysis type, a determination regarding whether to permit the requested dosage administration or the requested device control decision, wherein the determination accounts for compliance with the at least one applicable governance standard.

The utility model relates to the field of body position pad, especially adjustable waist and leg integrated body position pad. The utility model wants to solve the technical problem to provide a kind of adjustable waist and leg integrated body position pad, which is convenient to operate, can flexibly adjust support part according to patient, and realizes the independent accurate adjustment of waist and leg support. A kind of adjustable waist and leg integrated body position pad, including bottom pad, the bottom pad upper end surface is respectively provided with waist support pad and leg support pad;The first adjusting mechanism for adjusting the position of waist support pad and the second adjusting mechanism for adjusting the position of leg support pad are fixedly arranged in the bottom pad. The utility model reaches the effect that it is convenient to operate, can flexibly adjust support part according to patient, and realizes the independent accurate adjustment of waist and leg support.

A mask adapted for delivering pressurized air to a user, the mask comprising: an inner skeleton of a first resilient material encased to a sheet of a second resilient material to form a mask body having a cavity. The second resilient material is relatively more flexible than the first resilient material. The sheet has a face-contactable skirt portion extending away from a perimeter of the inner skeleton. The skirt portion comprises an outer layer and an inner layer for providing a variable contoured thickness to an outer sheet segment of the face-contactable portion. The face-contactable skirt portion has a flexible cavity edge defining a cavity opening for receiving a nasal region. The inner skeleton and the sheet have an aperture adapted to connect to an air delivery tube; the thinner flexible cavity edge is adapted to wrap into the cavity; when wrapped, the thicker contoured sheet segment wraps and seals around lateral sides of the nose.

There is provided a flexible, helically wound conduit for a breathing circuit comprising an inlet (1), an outlet (3), and an enclosing wall (2) defining a flow passage between said inlet and said outlet, wherein at least a region of said enclosing wall is permeable to water vapor and one or more of 02 and CO2, and wherein the axial tensile strength of the enclosing wall is greater than 40N. Further provided are limbs comprising the conduit, a method of manufacturing the conduit and the use of the conduit to remove water vapor and / or CO2 from gas exhaled by a patient.

The application provides a bronchial implant, comprising a wall body having a proximal end and a distal end opposite in direction; the wall body is provided with a through hole which is communicated with the proximal end and the distal end; the wall body is provided with a groove in the circumferential direction of the proximal end, the groove is arranged around the through hole and is spaced from the through hole, so as to form a first proximal end surface and a second proximal end surface at the proximal end, the first proximal end surface surrounds the second proximal end surface, and the second proximal end surface is recessed towards the distal end relative to the first proximal end surface, the length of the recess is greater than 0 mm and less than or equal to 6 mm. The bronchial implant provided by the application reserves a granulation tissue growth space and can guide the growth direction of the granulation tissue, so as to prevent the granulation tissue from affecting the normal work of the bronchial implant itself or other medical implants placed in the bronchial implant.

A water-insoluble carrier which removes activated platelets, and has a surface with a kurtosis of 0.1 to 16.0. Blood purification devices including the water-insoluble carrier are also disclosed.

The application provides an infusion pump empty bottle early warning method and device based on pipeline pressure and an infusion pump. The method comprises the following steps: acquiring a plurality of upper pressure sensing values, determining a reference pressure value of a target period, and taking the maximum value in the upper pressure sensing values as the reference pressure value; determining a first difference value according to the reference pressure value of the target period and a previous reference period; determining a second difference value according to adjacent first difference values; and when the number of consecutive negative second difference values meets a first preset threshold value and the first difference value of the target period is less than a second preset threshold value, performing an empty bottle early warning operation. According to the technical scheme of the embodiment of the application, the pressure sensing device has small space occupation and simple structure; the change of the upper pressure caused by the rapid drop of the liquid level at the bottle opening is utilized, the change trend of the upper pressure of the infusion tube is represented by the second difference value, the change amplitude of the upper pressure is represented by the first difference value, and the rapid and accurate detection of the empty bottle is realized in combination.

Provided are systems, methods, and kits for multifunctional smell presentation. The kits may comprise a panel comprising a plurality of patches comprising distinct odorous volatile compounds, images indicating the source of the odorous volatile compounds, and labels indicating the identity of the odorous volatile compounds. The kits may comprise a system for receiving a plurality of inputs from a user. The system or methods may comprise receiving inputs from a user on whether the user detects the odorous volatile compounds, identifies the source of the odorous volatile compounds, and a rating on the intensity of the odorous volatile compounds.

The blood treatment system includes durable hardware components and disposable fluid flow circuits. The hardware components include a control unit configured to perform procedures for separating and collecting red blood cells from whole blood. An additive solution can first be provided in the red blood cell collection container of the fluid flow circuit, and the control unit operates the pump system of the hardware components to convey the additive solution from the red blood cell collection container to the additive solution container of the fluid flow circuit. After the red blood cells are separated from the blood and conveyed to the red blood cell collection container (along with at least a portion of the additive solution from the additive solution container), the red blood cells and the additive solution in the red blood cell collection container are conveyed to the whole blood container for collection and storage.

A system providing a haptic feedback improving its functionality includes a haptic feedback device and communicates with a catheter. In operation, the haptic feedback device forms a strap and each of the plurality of actuating regions is arranged along a circumference a of the haptic feedback device. Further, in operation spatial information is transmitted from at least one of a plurality of sensing locations to the haptic feedback device and in accordance with the transmitted spatial information at least one of the plurality of actuating regions is actuated to provide the haptic feedback.

The utility model discloses a kind of chemotherapy drug exosmosis closure angle indicating instrument, including guide disc, handle, clamping assembly, angle adjusting device and guide cylinder, the handle is transversely connected below guide disc, clamping assembly is slidably connected inside guide disc, angle adjusting device is vertically arranged above clamping assembly, and angle adjusting device is connected with clamping assembly, guide cylinder is set above angle adjusting device and is rotatably connected on angle adjusting device, the utility model can accurately adjust the angle between syringe and patient's skin when carrying out closed injection to patient, to avoid that puncture angle is too large or too small, to ensure that closed injection effect is reached while reducing patient's pain.

An applicator includes a holder 22 configured to hold a microneedle base on which a microneedle array is provided, a pusher 21 for pushing the holder 22 toward skin, and a shell 23 that includes a first part to contact with the skin and a second part configured to hold the holder 22, the shell 23 being deformable while maintaining an orientation of the microneedle base by connecting the first part and the second part.

Systems and methods are disclosed for assessing the functionality of solenoid valve activation in peritoneal dialysis systems. In at least one embodiment, measurements of current values may be received from a solenoid valve at a predetermined sampling rate over a predetermine duration of time to generate a current profile for the solenoid valve. A fifth degree polynomial model may be fit to the current profile and optimized. The optimized polynomial model may be applied to a trained support vector machine to determine whether the current profile indicates that the corresponding solenoid valve has actually opened or closed.

In some examples, a gastroretentive system includes a dissolvable outer capsule, a body disposed within the outer capsule, at least one expandable and collapsible member coupled to the body and configured to be disposed within the outer capsule in a collapsed condition when the outer capsule is present and to transition to an expanded condition without the outer capsule, the expanded condition being too large to pass through a human pylorus, wherein at least one of the body and the at least one expandable and collapsible member includes a drug product.

A method for detecting an arousal in a sleep session of a subject that includes receiving a first signal comprising information about a first probability distribution of sleep stage classes during the first epoch. The method further comprises receiving a second signal comprising information about a second probability distribution of the sleep stage classes during the second epoch, determining a continuity metric representative of a difference between the first probability distribution and the second probability distribution, and determining a presence of an arousal based on the continuity metric. Further, there is provided an arousal detection system for detecting an arousal in a sleep session of a subject. The arousal detection system comprises a processing system and a sensor interface. The processing system is configured to perform the computer-implemented method.

The utility model relates to face shaping technical field, concretely relates to an improved needle structure for face microplasty, including needle cylinder and needle body, still include fixed depth subassembly, fixed depth subassembly includes fixed slide, sliding frame, sliding block, connecting support, fixed depth cover, scale paste, mounting component and locking component, fixed slide is connected with needle cylinder through mounting component, and sliding frame is connected with fixed slide slidingly, and sliding block is fixedly connected with sliding frame, and connecting support is fixedly connected with sliding frame, and fixed depth cover is fixedly connected with connecting support, and scale paste is fixedly connected with fixed slide, and mounting component sets up on fixed slide, and locking component sets up on sliding frame, through fixed depth cover adjustment to corresponding position on needle body, medical staff can be limited by fixed depth cover when carrying out puncture through needle body, and the position through fixed depth cover is convenient for medical staff to understand the puncture depth of needle body, avoids puncture too deep.

A system, including: a pump, a handpiece including a needle and a sleeve, an irrigation channel forming a fluid path within the handpiece; first and second sensors configured to sense pressure at separate locations along the fluid path; and circuitry configured to: receive first and second pressure measurement signals from the first and second sensors, respectively; identify one or more pressure fluctuations in the first signal and / or the second signal; compare the first signal and the second signal to determine one or more frequency dispersion indicators; characterize the one or more pressure fluctuations based on the one or more frequency dispersion indicators as being associated with an intraocular pressure (IOP) change or a system component; and for a pressure fluctuation associated with the IOP change: determine an estimate of IOP from the first signal; and control the pump based on the estimate of IOP.

The application relates to the technical field of drug delivery, and discloses a polymer microcrystal patch fused with a biodegradable material and a preparation method thereof, which comprises a microneedle array and a supporting substrate made of raw materials, and is characterized in that the microneedle array is made of raw materials containing a cationic polymer, an anionic polymer, an ion shielding agent and an active ingredient. The preparation method comprises the following steps: filling a solution containing a cationic polymer and an active ingredient into a microneedle negative mold; and covering the surface of the solution with a layer of a solution containing an anionic polymer and an ion shielding agent. By introducing the ion shielding agent, the application effectively controls the ion crosslinking rate between the polymers, solves the problem of incomplete microneedle forming caused by too fast reaction, and significantly improves the forming quality of the microneedles. The method is carried out at room temperature, the conditions are mild, the bioactivity of the active ingredient can be effectively protected, and the used materials are good in biocompatibility and high in safety.

An auxiliary device is configured to couple to an injection device, the auxiliary device comprising a sensor assembly and a processor assembly, wherein the processor assembly is configured to cause the auxiliary device to use the sensor assembly to sense an identifying feature of the injection device and determine a type of the injection device based on the sensed identifying feature.

The application provides a fumigation structure and a health care knee pad, and belongs to the technical field of physiotherapy and health care, and comprises a knee pad module, an integrated fumigation assembly and a fumigation liquid supply module; an annular air bag is arranged on the inner side of the knee pad module to fit the knee; the integrated fumigation assembly comprises a rotatable rotary cylinder, which is divided into a plurality of solid fumigation cavities and a liquid fumigation cavity, and is respectively provided with a water heating pipeline and a steam pipeline; the fumigation liquid supply module is integrated with functions such as heating and pumping, and can hold pure water or liquid medicine; through rotating the rotary cylinder, the solid fumigation cavities and the liquid supply circuit can be automatically connected, the fumigation of various solid medicines can be alternately performed, or the steam pipeline and the liquid medicine passage can be connected, and the liquid medicine steam fumigation is performed; the device supports the treatment mode switching of 'one machine with multiple effects', is simple and safe to operate, avoids the direct contact with high temperature through centralized temperature control and liquid circulation heating, ensures the stable fumigation effect, and improves the safety and flexibility in use.

A method includes receiving, by a master infusion device from a server, at least one fluid delivery protocol. The fluid delivery protocol includes one or more parameters for delivering a fluid to a user. The method also includes configuring, by the master infusion device, a first slave infusion pump with a first fluid delivery protocol of the at least one fluid delivery protocol. The method further includes configuring, by the master infusion device, a second slave infusion pump with a second fluid delivery protocol of the at least one fluid delivery protocol. The method also includes delivering, by the first slave infusion pump and based on the first fluid delivery protocol, the fluid to the user. Related methods and articles of manufacture, including apparatuses and computer program products, are also disclosed.

A method for tracking a dose pattern and patient response can include determining a dose pattern for delivering a medication to a patient based at least on one or more dose events at a pump configured to deliver the medication to the patient. One or more vital signs related to the patient can be received from a patient monitor. A presence of one or more abnormalities can be determined based at least on the dose pattern of the pump and the one or more vital signs of the patient. An electronic alert can be transmitted to a mobile device in response to determining the presence of the one or more abnormalities. Related methods and articles of manufacture, including devices and computer program products, are also disclosed.

The application provides a multi-mode oral cavity moistening device, which comprises a mounting frame, a water supply assembly and a slidable control handle arranged on the mounting frame, a rotating shell rotatably arranged on the mounting frame, and a driving mechanism connecting the rotating shell and the control handle. The slidable control handle is converted into the driving of the rotating shell by the driving mechanism. The rotating shell is hinged with three groups of connecting frames through torsional springs. Pipes are arranged in the connecting frames. One end of the pipes extends out of the rotating shell and is provided with connecting heads. One of the connecting heads is connected with the water supply assembly. The other ends of the three groups of pipes are respectively connected with atomizing nozzles, lip pads and applicators. A folding shielding unit connected with the control handle is arranged on the mounting frame. The device can quickly switch three functional components without replacing the device, effectively solves the problem that the existing device cannot adapt to different processes, different oral cavities and different lip states, and improves the universality and practicality of the device.

The invention relates to a cyclotron which enables the production of α- or β-emitting radionuclides. The cyclotron, with a magnetic periodicity of 3, comprises three accelerating cavities connected to the centre, thus not requiring phase control between the cavities, forming a single high-frequency resonator. The six accelerating gaps per turn enable rapid acceleration (the angle ϕ between the accelerating gaps of each cavity being approximately 30°) which is essential for acceleration at the third and sixth harmonics. This cyclotron preferably has an injection system (31) supplied by different types of ion sources, making it possible to efficiently accelerate charged particles having Z / A ratios equal to 1 / 2 and to 1 / 4. The cyclotron may also have stripping extraction means positioned in the cyclotron so as to extract the charged particles and double their state of charge. These particles enable a set of nuclear reactions for producing α-emitting radionuclides.