36117 results about "Surgery" patented technology

A urine collection device includes a collection member extending from a proximal end to a distal end. The proximal end includes an opening that provides access to an internal cavity of the collection member. The internal cavity includes a first chamber in fluid communication with a second chamber. The urine collection device includes a spacer in the second chamber, a first attachment member extending from a bottom wall of the collection member at the proximal end., a second attachment member extending from a top wall of the collection member at the proximal end, and an outlet for egressing urine from the internal cavity of the collection member. The first attachment member defines an aperture. The collection member is suitable to (i) direct urine from the first chamber to the second chamber and (ii) direct the urine in the second chamber distally toward the outlet.

Systems, methods, and instrumentalities are disclosed for displaying a magnitude and location of a resulting tissue tension from an applied force to an instrument and a resulting tissue reaction. A surgical stapling device for monitoring and adapting to tissue tension during a surgical stapling procedure may measure strain on at least one component of the surgical stapling device resultant from one or more of an opposed force applied by a user and a force resisted by tissue associated with the tissue tension. The device may determine a location of the tissue tension based on historical surgical data, the opposed force, and the resisted force. The device may highlight the location of the tissue tension to aid in real-time surgical decision-making.

A wearable pouch operable to hold at least one portable battery pack and other power or communications equipment. The wearable pouch includes a main body with a front side, a back side opposite the front side, at least one sealable opening, and at least one opening for at least one lead from the at least one portable battery pack secured within the wearable pouch.

An electrosurgical instrument comprising an end effector is disclosed. The end effector comprises a first jaw and a second jaw. The first jaw comprises a first electrode. The end effector is movable from an open configuration to a closed configuration to grasp tissue. The second jaw comprises a second electrode configured to deliver a first monopolar energy to the tissue, a third electrode, and a conductive circuit selectively transitionable between a connected configuration with the third electrode and a disconnected configuration with the third electrode. In the connected configuration, the third electrode is configured to cooperate with the first electrode to deliver bipolar energy to the tissue. The conductive circuit defines a return path for the bipolar energy. In the disconnected configuration, the first electrode is configured to deliver a second monopolar energy to the tissue.

Systems and methods herein generally relate to prolonging viability of bodily tissue, especially an organ such as a lung, by adjusting pressure as needed to maintain a constant pressure within the organ even during external pressure fluctuations due, for example, to transportation of the organ in an airplane. The systems and methods herein can include an electronic pump that pumps gas into an organ and a mechanical pressure regulator to release gas based on organ pressure.

Apparatus and methods are described including placing, into a subject's body, a blood-pump tube, with an impeller disposed within the blood-pump tube. At least one blood-pressure-measurement element extends to at least an outer surface of the blood-pump tube, such that the distal end of the blood-pressure-measurement element is in direct fluid communication with a bloodstream of the subject outside the blood-pump tube at a location that is proximal to blood-inlet opening(s) defined by the blood-pump tube. Blood is pumped through the blood-pump tube, using the impeller. Pressure of the bloodstream of the subject outside the blood-pump tube is measured by measuring blood pressure at the distal end of the left-ventricular blood-pressure-measurement element. Other applications are also described.

A system for perfusing an organ, for example a kidney or a heart. Preservation fluid can be pumped from a transport container to the organ through a cannula or organ adapter. A flow regulator valve can control the rate of flow of the preservation fluid based on renal resistance of the kidney or arterial resistance of the organ. The pump can operate at a rate independent of the arterial resistance.

The invention relates, inter alia, to a metering device (10) for metering and supplying media via fluid lines (14a, 14b, 14c, 14e, 14d, 14e, 14f) to several target devices (12a, 12b, 12c), in particular to several commercial textile washing machines, wherein the metering device (10) comprises an inlet disc (16) with several inlet-side connections (18a, 18b, 18c, 18d, 18e, 18f, 18g, 18h), each of which can be connected to a container (11a, 11b, 11c), and an actuator (17) that is displaceable relative to the inlet disc (16) and which controls a plurality of through-channels (19a, 19b, 19c, 19e, 19f, 19g, 19h), wherein each through-channel (19a, 19b, 19c, 19e, 19f, 19g, 19h) is connectable to a target device (12a, 12b, 12c), wherein as a result of a displacement of the actuator (17) relative to the input disk (16) at least one of the through-channels (19a, 19b, 19c, 19e, 19f, 19g, 19h) is connected to one of the terminals (18a, 18b, 18c, 18d, 18e, 18f, 18g,18h) is communicable, wherein the dosing device (10) comprises several pumps (21a, 21b, 21c, 21d, 21e) that can be addressed by a control unit (20) of the dosing device (10), which are designed to extract medium (13a, 13b, 13c) from the container (11a, 11b, 11c) and to convey it to the target device (12a, 12b, 12c), and wherein each through-channel (19a, 19b, 19c, 19e, 19f, 19g, 19h) is assigned a pump (21a, 21b, 21c, 21d, 21e), each of which is located downstream of the through-channel (19a, 19b, 19c, 19e, 19f, 19g, 19h) is arranged.

An angled intraosseous access system including a guide block and / or a guide plate is disclosed. The system includes a driver having a body, and including a needle assembly rotatably coupled thereto, the needle assembly defining a needle axis. One of the guide block or the guide plate is configured to engage a skin surface and align the needle assembly axis at a predetermined angle relative to the skin surface to access the medullary cavity at the predetermined angle. Advantageously, the angled needle of the intraosseous access system can mitigate pain during infusion and mitigate backwalling.

An introducer assembly includes an elongate sheath sized for insertion into a blood vessel of a patient and a hub. The hub can be coupled to a proximal portion of the sheath and can include a first hub portion and a second hub portion. The hub can include various features to facilitate breaking apart or separating the introducer assembly from a patient. For example, the first hub portion can have a first notch which can facilitate breaking, splitting, or fracturing the hub. The second hub portion can partially surround the first hub portion and can include two wings and an opening disposed above the first notch. The first hub portion can be formed from a first material and second hub portion can be formed from a second material. In some embodiments, the second material can be stiffer than the first material to facilitate fracturing the hub.

According to some embodiments, a microdermabrasion device for treating skin comprises a handpiece assembly having a distal end and a proximal end. The handpiece assembly includes at least one delivery conduit and at least one waste conduit. The microdermabrasion device additionally comprises a tip configured to be positioned along the distal end of the handpiece assembly, wherein the tip is adapted to contact skin surface. In several embodiments, the tip comprises a lip, a first opening in fluid communication with the fluid delivery conduit and a second opening in fluid communication with the waste conduit. In one embodiment, the device includes one or more abrasive elements positioned along a distal end of the tip, wherein the abrasive elements are configured to selectively remove skin as the tip is moved relative to a skin surface.

An intraluminal device is provided. In on embodiment, an intraluminal device includes a flexible elongate member including a proximal portion and a distal portion; an imaging component coupled to the distal portion of the flexible elongate member; and a plurality of radiopaque markers positioned at the distal portion of the flexible elongate member, wherein the plurality of radiopaque markers are separated from each other, wherein the plurality of radiopaque markers are arranged on the flexible elongate member at two different orientations with respect to the imaging component, and wherein at least a first radiopaque marker of the plurality of radiopaque markers includes an arc-shaped portion and an extended portion extending from the arc-shaped portion.

In some embodiments, a system can include a fluid delivery assembly and a motor drive assembly. The fluid delivery assembly is configured to be releasably mechanically and, optionally, electrically coupled to the motor drive assembly. When the fluid delivery assembly is releasably coupled to the motor drive assembly, the motor drive assembly can control delivery of fluid from the fluid delivery assembly (e.g., to a patient). For example, the motor drive assembly can be releasably coupled to the fluid delivery assembly to control delivery of fluid from the fluid delivery assembly to provide continuous (e.g., non-pulsatile) fluid flow from the fluid delivery assembly.

An intravascular heart pump assembly can include a rotor with at least one impeller blade, and a cannula. The present application describes various cannulas that can be manufactured from multiple layers of material to improve flexibility, manufacturability, and durability without increasing an outer diameter of the cannula. In one embodiment, the cannula includes an inflow section having a sheet formed of a shape memory material embedded within a polymer and having at least one lateral hole or aperture in the inflow section. The at least one lateral hole is defined by a first hole in the sheet and a second hole in the outer polymer layer of the cannula. The first hole and the second hole overlap so that blood can enter the cannula through the holes.

The invention relates to the technical field of tunnel engineering, and discloses an intelligent regulation and control shield segment crack minimally invasive repair method, which comprises the following operation steps: intelligently identifying a crack, comprehensively scanning a shield segment by using high-definition camera equipment, obtaining a high-definition image of the surface of the segment, and obtaining a high-definition image of the surface of the segment by applying an image processing technology and a deep learning algorithm. The image is analyzed and processed, key parameters such as the position, the width, the length and the depth of the crack are automatically identified, a crack three-dimensional model is constructed, and accurate data support is provided for subsequent minimally invasive repair; and making a minimally invasive repair scheme, and combining factors such as a segment material and a stress condition according to a crack identification result. According to the intelligent regulation and control shield segment crack minimally invasive repair method, accurate recognition, minimally invasive treatment and effect evaluation of shield segment cracks are achieved, and the purposes of improving the repair efficiency, reducing the construction risk and ensuring the safety and stability of a tunnel structure are achieved.

Provided is a method for generating an aneurysm region including: obtaining an input image; generating a vessel mesh based on the input image; generating a vessel network including a plurality of nodes based on the vessel mesh; and performing image processing on the vessel network to generate an aneurysm region.

Apparatus and methods are described including a ventricular assist device that includes a frame having struts that define a plurality of cells. In its non-radially-constrained configuration, the frame includes a generally cylindrical portion. A tube defines blood outlet openings, and a portion of the tube is disposed outside the frame and is coupled to the generally cylindrical portion of the frame, such that the portion of the tube conforms with a structure of struts of the frame. An inner lining is coupled to an inside of the generally cylindrical portion of the frame, such as to provide the generally cylindrical portion of the frame with a smooth inner surface. An impeller is disposed at least partially inside the generally cylindrical portion of the frame and is configured to pump blood through the tube and out of the one of more blood outlet openings. Other applications are also described.

Examples relate to devices, systems, and methods for fluid collection such as urine. The urine collection device includes a fluid impermeable barrier and a fluid permeable body. The fluid impermeable barrier at least partially defines a chamber. The fluid impermeable barrier includes at least one elongated portion having a first width and distal to the aperture and a second portion having a second width greater than the first width. The second portion at least partially defines an opening in the fluid impermeable barrier, and the opening has a maximum lateral dimension greater than the first width of the elongated portion. The fluid permeable body is configured to wick fluid away from the opening into the at least one elongated portion.

An autoinjector includes a case, a needle shroud telescopically coupled to the case, a carrier slidably arranged in the case, a collar rotatably and slidably disposed in the case and coupled to the needle shroud and the carrier, and a trigger button operably coupled to the carrier. The case includes a rib. The needle shroud is movable between a first extended position, a retracted position, and a locked second extended position. The carrier is adapted to hold a medicament container and movable from a first axial position to a second axial position relative to the case. The carrier abuts the rib in the first axial position and the needle shroud is in the first extended position and disengages the rib when the needle shroud is in the retracted position and the trigger button is pressed to advance the carrier to the second axial position.

An autoinjector includes a case, a needle shroud telescopically coupled to the case, a carrier slidably arranged in the case, a collar rotatably and slidably disposed in the case and coupled to the needle shroud and the carrier, and a trigger button operably coupled to the carrier. The case includes a rib. The needle shroud is movable between a first extended position, a retracted position, and a locked second extended position. The carrier is adapted to hold a medicament container and movable from a first axial position to a second axial position relative to the case. The carrier abuts the rib in the first axial position and the needle shroud is in the first extended position and disengages the rib when the needle shroud is in the retracted position and the trigger button is pressed to advance the carrier to the second axial position.

The invention relates to the technical field of medical image processing, in particular to a multimodal-based digestive tract tumor lesion image segmentation method and segmentation system. The method comprises the following steps: acquiring an alimentary canal tumor lesion image, and extracting an alimentary canal tumor ultrasonic image; evaluating the tumor invasion depth based on the digestive tract tumor ultrasonic image; performing focus three-dimensional visual modeling according to the tumor invasion depth to obtain a digestive tract tumor focus model; extracting a tumor tissue pathological image according to the digestive tract tumor lesion image; performing tumor region segmentation based on the tumor tissue pathological image to obtain digestive tract tumor region data; performing tissue arrangement anomaly detection based on the digestive tract tumor region data to obtain tissue arrangement anomaly data; and calculating a tissue arrangement disorder index according to the tissue arrangement abnormal data and the digestive tract tumor area data. According to the invention, the tumor identification accuracy and the malignant region segmentation precision are improved based on the medical image processing technology.

An autoinjector includes a case, a needle shroud telescopically coupled to the case, a carrier slidably arranged in the case, a collar rotatably and slidably disposed in the case and coupled to the needle shroud and the carrier, and a trigger button operably coupled to the carrier. The case includes a rib. The needle shroud is movable between a first extended position, a retracted position, and a locked second extended position. The carrier is adapted to hold a medicament container and movable from a first axial position to a second axial position relative to the case. The carrier abuts the rib in the first axial position and the needle shroud is in the first extended position and disengages the rib when the needle shroud is in the retracted position and the trigger button is pressed to advance the carrier to the second axial position.

The invention discloses a lung puncture navigation system for pneumology department, which relates to the technical field of lung puncture navigation and comprises a data collection module, a data processing module, a calculation module and a navigation module. The method has the advantages that the focus position can be accurately positioned in real time by collecting the lung image data and the respiratory movement data of the patient and utilizing calculation of respiratory compensation, the need of adjusting the position of a puncture needle for multiple times is avoided, the optimal puncture path can be calculated, and the puncture accuracy is improved. Therefore, intelligent biopsy puncture path planning can be carried out according to specific conditions of the patient, biopsy risks are reduced, focus position changes caused by respiratory movement can be accurately compensated through real-time respiratory compensation application, and it is ensured that navigation precision and biopsy effects are not affected by the respiratory movement.

An autoinjector includes a case, a needle shroud telescopically coupled to the case, a carrier slidably arranged in the case, a collar rotatably and slidably disposed in the case and coupled to the needle shroud and the carrier, and a trigger button operably coupled to the carrier. The case includes a rib. The needle shroud is movable between a first extended position, a retracted position, and a locked second extended position. The carrier is adapted to hold a medicament container and movable from a first axial position to a second axial position relative to the case. The carrier abuts the rib in the first axial position and the needle shroud is in the first extended position and disengages the rib when the needle shroud is in the retracted position and the trigger button is pressed to advance the carrier to the second axial position.

A system comprises an EMD and coupled to a robotic drive. The EMD includes an external member defining a lumen and an internal member disposed in the lumen and coupled to a distal portion of the external member, and a linearly and rotationally-actuatable element coupled to the external member. The robotic drive includes a plurality of device modules, each of the plurality of device modules being independently linearly movable by the robotic drive, a first cassette coupled to a first one of the plurality of device modules and to the linearly and rotationally-actuatable element of the external member, and a second cassette coupled to a second one of the plurality of device modules and to the internal member.

An autoinjector includes a case, a needle shroud telescopically coupled to the case, a carrier slidably arranged in the case, a collar rotatably and slidably disposed in the case and coupled to the needle shroud and the carrier, and a trigger button operably coupled to the carrier. The case includes a rib. The needle shroud is movable between a first extended position, a retracted position, and a locked second extended position. The carrier is adapted to hold a medicament container and movable from a first axial position to a second axial position relative to the case. The carrier abuts the rib in the first axial position and the needle shroud is in the first extended position and disengages the rib when the needle shroud is in the retracted position and the trigger button is pressed to advance the carrier to the second axial position.

Described here are systems and methods for accessing Schlemm's canal and for delivering an ocular device or fluid composition therein. The ocular devices may maintain the patency of Schlemm's canal without substantially interfering with transmural fluid flow across the canal. The fluid composition may be a viscoelastic fluid that is delivered into the canal to facilitate drainage of aqueous humor by disrupting the canal and surrounding trabeculocanalicular tissues. Tools for disrupting these tissues and minimally invasive methods for treating medical conditions associated with elevated intraocular pressure, including glaucoma, are also described.