92666 results about "General surgery" patented technology

The invention discloses a thrombus excision system. An embolus is extracted through a mechanical embolus extraction device, a blood vessel is dredged, and revascularization of the blood vessel is achieved. A saccule guide catheter is put at the near end of the embolus part when the embolus is extracted, blood flow is temporarily blocked, and thus a fine crushed embolus generated in the embolus extraction process is prevented from being flushed to the far end of the blood vessel; meanwhile, for a relatively large embolus, a part of thrombus can also be sucked by virtue of the saccule guide catheter, and then the residual thrombus can be extracted by virtue of a thrombus exsector. The thrombus exsector, the saccule guide catheter and a delivery microcatheter are arranged on the thrombus excision system disclosed by the invention, wherein the thrombus exsector is used as a main component, an excision spring is arranged, and the release state of the excision spring is a conical spiral state. Compared with the prior art, the thrombus excision system has the advantages that the thrombus exsector is very soft, the minimal through size is 0.014' (0.36mm), the thrombus exsector can easily enter a cerebral vessel, a near-end protection technology is adopted in the operation process, and thrombus suction is combined with mechanical embolus extraction, so that the success rate of the operation is improved, and the complications are reduced.

In an example, a urine collection device includes a covering defining a recessed receptacle and a fluid collection assembly positioned in the recessed receptacle. The fluid collection assembly includes (i) a foam sleeve including a bore, (ii) a shape retaining element positioned in the bore of the foam sleeve and defining a passage, and (iii) a tube extending through the passage defined by the shape retaining element. The shape retaining element can conform the fluid collection assembly to a curved configuration and maintain the curved configuration of the fluid collection assembly until the curved configuration is adjusted. The urine collection further includes a top sheet coupled to the covering. The top sheet and the covering define an internal chamber of the urine collection device. The top sheet is configured to draw urine into the internal chamber and toward the fluid collection assembly.

A delivery device for delivering an instrument through an intravenous catheter may include a housing, a rotary element disposed within the housing, and an instrument. In some embodiments, the rotary element may include a groove, which may extend around at least a portion of the circumference of the rotary element. In some embodiments, the instrument may be disposed within the groove and / or between the rotary element and the housing. In some embodiments, in response to rotation of the rotary element with respect to the housing, the instrument may be advanced distally through an outlet of the housing. In some embodiments, the instrument may include a guidewire, a probe, blood draw tubing, or a light tube.

An example fluid collection assembly includes a sheath including a chamber and a fluid permeable body disposed in the chamber. The sheath includes a fluid impermeable barrier including a proximal region, a distal region, a first panel, a second panel attached to the first panel and defining an opening in the proximal region of the fluid impermeable barrier, and a fluid outlet at the distal region. The fluid permeable body includes a fluid permeable support and a fluid permeable membrane. The fluid permeable membrane includes a wicking material and is positioned such that the fluid permeable membrane is disposed to contact the penis in the chamber when the penis extends through the opening.

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 method and system are disclosed for puncturing tissue, comprising a puncture device for puncturing tissue and a supporting member for supporting the puncture device. The puncture device is capable of being insertable within the supporting member and being selectively usable in co-operation therewith during a portion of a procedure for puncturing tissue and wherein the puncture device is usable independently therefrom during another portion of the procedure.

Devices for moving blood within a patient, and methods of doing so. The devices can include a pump portion that includes an impeller and a housing around the impeller, as well as a fluid lumen. The impeller can be activated to cause rotation of the impeller and thereby move fluid within the fluid lumen.

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.

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.

A blood pump assembly can include various components such as a housing and a sensor configured to detect one or more characteristics of the blood. In some embodiments, the sensor can be coupled to the housing and can include a sensor membrane configured to deflect in response to a change in a blood parameter (e.g., pressure). The blood pump assembly can include a shield that covers at least a portion of the sensor membrane so as to protect the sensor from damage when the blood pump assembly is inserted through an introducer and navigated through the patient's vasculature and / or when the blood pump assembly is inserted into the heart in a surgical procedure. One or more protective layers can be deposited over the sensor membrane to prevent the sensor membrane from being dissolved through interactions with the patient's blood.

An applicator for an analyte monitoring device may include an actuatable housing having a body defining a cavity therein and having a distal opening and a side opening. A cuff and a shuttle are received within the cavity and are separately translatable relative to the housing body. A base may removable engage the housing body at the distal opening. The housing body, the cuff, the shuttle, and / or the base may be engaged with one another with one or more releasable coupling features. The base may be removed from an engagement with the housing body, causing the cuff and the shuttle to be aligned and positioned in a configuration in which the analyte monitoring device, held by the shuttle, is ready for insertion into the skin.

The sperm collection device includes a core member having an insertion hole for a penis and an insertion space, and a container having an internal space in which the core member is accommodated. The container includes a cylindrical base unit having a base end open in an axial direction of the base unit and attached to an insertion-hole-side end of the core member, and a cylindrical movable unit having a base end open in an axial direction of the movable unit and a front end being closed, and attached rotatably around an axis of the movable unit with respect to the other end of the base unit. In an overlapping part in which the base end of the movable unit overlaps the other end of the base unit, an airflow path and an adjustment mechanism are provided.

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.

An electrode balloon catheter includes a catheter body (1), an outer balloon (2), an inner balloon (3) and electrode pairs (4). The electrode pairs (4) are arranged on a surface of the inner balloon (3), and both the inner balloon (3) and the outer balloon (2) are provided at an end of the catheter body (1). The inner balloon (3) is located inside the outer balloon (2). The outer balloon (2) is configured to store a conductive medium. The electrodes can be adjusted to desired positions by manipulating the inner balloon (3). This enables adjustability in an energy propagation distance, which eventually results in enhanced lesion treatment efficiency, reduced surgical duration and an extended service life of the electrodes.

The disclosure relates to a cardiac support system for insertion through a catheter into a blood vessel, including an axial flow pump having a tubular housing, an intake portion disposed in a distal portion of the tubular housing, at least one peripheral outlet opening disposed in a proximal portion of the tubular housing, and a pump rotor disposed within the tubular housing, the pump rotor including a hub and at least one blade element wound at least partially helically around the hub and configured to draw blood into the intake portion toward the proximal portion of the tubular housing, where a portion of the at least one blade element is disposed proximal to a distal edge of the outlet opening, and the at least one blade element transitions from having a convex curvature to having a concave curvature in a region of the outlet opening.

An aspiration catheter assembly including an outer catheter having an elongate tubular body and a distal valve at a distal end of the aspiration catheter assembly, and an inner catheter configured to communicate with a vacuum source, the inner catheter being within the outer catheter and including an aspiration lumen for receiving at least a portion of a clot. The distal valve is configured to be opened and closed at the distal end of the aspiration catheter assembly, and the distal end of the aspiration catheter assembly is configured as a separator such that the portion of the clot can be separated at the distal end and drawn into the aspiration catheter assembly.

The present invention provides a catheter for treating occlusions in blood vessels. An exemplary catheter for treating occlusions in blood vessels comprises a tubular inner member including a base segment with a first lumen defining a fluid inlet port, and a second lumen defining a fluid outlet port. An extension segment is distal to the base segment. The extension segment has a reduced cross-section. An emitter assembly includes a first insulated wire extending through the second lumen and a second insulated wire, and a conductive sheath wrapped circumferentially around the first insulated wire, the second insulated wire, and the extension segment. A cap or balloon is sealably attached to the distal end of the catheter and surrounds the emitter assembly, said cap or balloon being fillable with conductive fluid.

A blood reintroduction system may include a canister configured to collect blood. The system may include an inlet configured to be fluidly connected to a first tubing in fluid communication with an aspiration system configured to apply aspiration to a vasculature of a patient. The system may include a first outlet configured to be fluidly connected to a second tubing in fluid communication with an aspiration pump. The system may include a second outlet configured to interact with a blood reintroduction device, wherein the blood reintroduction device is configured to withdraw the blood collected inside the canister. The system may include a filter positioned inside a flow path leading to the second outlet.

A catheter includes a handle and an elongate member extending from the handle. The catheter may also include steering system coupled to the handle. The steering system may be configured to deflect at least a portion of the elongate member in at least one direction. The catheter may also include a locking mechanism configured to lock the portion of the elongate member in a deflected configuration, and a lever coupled to the handle. The lever may be configured to move from a first position to a second position to engage the locking mechanism. The lever may also be configured to be separably retained at least at one of the first position or the second position to prevent movement therebetween.

A catheter configured to deliver energy circumferentially around an anatomical lumen in which the catheter is positioned. The catheter includes an elongate structure configured to transform between a low-profile delivery state and a radially expanded deployed state. The elongate structure mechanically supports one or more electrodes configured to emit energy and includes an outer jacket comprising a polymer. The catheter defines a material boundary adjoining the outer jacket and at least one electrode to enable a mechanical adhesion between the polymer of the outer jacket and the electrode. In examples, the polymer intrudes into one or more volumes defined by asperities in a surface of the electrode to enable the mechanical adhesion. In examples, material boundary is formed by reflowing the polymer.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.