17 results about "Pericardial cavity" patented technology

Cannabidiol, or a pharmaceutically acceptable prodrug, derivative, salt, or solvate thereof, for use in treating or preventing recurrent pericarditis is disclosed. The effectiveness of cannabidiol in attenuating the levels of interleukin-1β (IL-1β) and IL-6, and the transcription of pro-IL-1β and NLRP3 mRNA in in vitro models are disclosed. Also disclosed are experiments showing cannabidiol to be effective in preventing an increase in the pericardial space (which is an indicator of pericardial effusion) and the pericardial thickness in an in vivo mouse model of pericarditis.

A method and device for modulating the autonomic nervous system adjacent a pericardial space to treat cardiac arrhythmia includes a treatment source arranged to supply a treatment medium, a catheter having an end sized for insertion into the pericardial space, a medium delivery assembly having a distal end arranged to be positioned by the catheter into the pericardium, with the distal end of the delivery assembly comprising a delivery tip arranged to extend away from the distal end of the catheter into the pericardial space. A connector operatively couples the delivery tip of the medium delivery assembly to the treatment source, and the delivery tip of the medium delivery assembly including a plurality of delivery points for delivering the treatment medium at a plurality of treatment areas within the pericardial space. The device performs modulation or ablation of the autonomic nervous system at selected treatment areas within the pericardium.

The present invention relates to a system for attaching a heart valve, the function of which is to attach a heart valve to a cardiac prosthesis intended to be implanted in a patient's pericardial cavity and to replace the patient's natural left and right ventricles, the system comprising a male ring with spikes and a cooperating part with openings, the male ring or the cooperating part being intended to be fixed to the cardiac prosthesis, the spikes and the openings being configured such that the spikes pass through a collar of the heart valve and enter the openings at the attachment position.

A flushing system configured to flush a wound and / or a body cavity of a patient comprises: an infusion liquid outlet to connect a first tube guiding a flow of infusion liquid from the system to the wound and / or the body cavity; an effusion liquid inlet to connect to a second tube guiding the effusion liquid flow from the wound and / or the body cavity to the system; a flow rate control system to control the flow rate at the infusion liquid outlet; and a hematocrit sensor configured to optically measure the hematocrit value of the effusion liquid received via the effusion liquid inlet, to obtain a blood loss volume and / or a blood loss flow rate from the wound and / or the body cavity by means of emitting light having different wavelengths. The different wavelengths are respectively assigned to the green wavelength range and to the red or near-infrared wavelength range.

This invention discloses an intraperitoneal balloon-assisted pacing implant kit, comprising: a guiding component, a dilation catheter component, and an inflation / deflation component. The guiding component includes a first guidewire, a portion of which is located inside the pericardial cavity of the target heart. The dilation catheter component includes a main tube and a balloon. The main tube has parallel guiding and air intake channels. The first guidewire is slidably connected within the guiding channels, guiding the main tube into the body. The balloon is positioned on the main tube and connected to the air intake channel. The main tube has a groove along its axial direction. Guided by the first guidewire, the balloon is embedded in the pericardial cavity of the target heart. Air is introduced through the air intake channel, causing the balloon to extend along the groove and surround the outside of the ventricle. The inflation / deflation component is connected to the balloon. With the support of ECG gating technology, the balloon expands during cardiac systole and contracts during diastole within the pericardial cavity, thereby compressing the left and right ventricles during cardiac systole.

A cleaning system is provided for cleaning a patient's wounds and / or body cavities, particularly the pericardial cavity (PC) and / or pleural cavity. [Solution] The cleaning system includes a carrier unit configured to be movable, an inflow unit including at least one infusion fluid container for containing an infusion fluid, and a collection unit configured to collect exudate from a patient, wherein the carrier unit is configured to house the inflow unit and the collection unit, the inflow unit further includes at least one first weighing unit for measuring the weight of the infusion fluid delivered to the patient, and the carrier unit includes a second weighing unit for measuring the weight of the exudate collected in the collection device.

The present invention relates to an irrigation system (1,200, 300, 400, 500) configured to irrigate a wound and / or a body cavity, particularly a pericardial cavity (PC) and / or one or more pleural cavities, of a patient, the system (1,200, 300, 400, 500) including an infusate lumen for connecting a first tube (4) having an infusate lumen for directing the flow of infusate from the system (1,200, 300, 400, 500) to the wound and / or body cavity, particularly the pericardial cavity (PC). an outlet (2), an effluent inlet (6) for connecting to a second tube (8) having an effluent lumen for directing the flow of effluent from the wound and / or body cavity, particularly the pericardial cavity (PC), to the system (1, 200, 300, 400, 500); a buffer container (10) having a buffer volume and including a buffer inlet (12) for receiving effluent from the wound and / or body cavity, particularly the pericardial cavity (PC), and a first buffer outlet (14) for outputting the received effluent; a flow rate control system for controlling the flow rate of effluent output from a buffer container (10), the flow rate control system comprising: a control unit (16) for providing one or more control signals; and a first pump device (18) for pumping effluent from the buffer container (10) to one or more effluent containers (20) at an effluent flow rate adjustable by the control signal of the control unit (16), wherein the buffer container (10) comprises a clot trap (22) configured to prevent blood clots contained in the effluent received from the wound and / or body cavity, in particular the pericardial cavity (PC), from exiting the buffer container (10) via the first buffer outlet (14); and / or wherein the buffer container (10) is configured for gas-liquid separation and / or configured to have a safety bypass and / or provides a flushing system (1, 200, 300, 400, 500) configured to receive a liquid overflow.

A flushing system comprises: an infusion liquid outlet to connect to a first tube arrangement having a plurality of infusion liquid lumen guiding a flow of infusion liquid from the system to a wound and / or body cavity; an effusion liquid inlet to connect to a second tube having an effusion liquid lumen guiding the effusion liquid from the wound and / or the body cavity to the system; and a flow rate control system to control the flow rate at the infusion liquid outlet. The flow rate control system comprises: a control unit, and a pump device to pump infusion liquid to the infusion liquid outlet at a flow rate adjustable by control signals of the control unit. Each infusion liquid lumen of the first tube arrangement has openings arranged along the first tube arrangement and spaced from one another for leading the infusion liquid into the wound and / or the body cavity.

A safe, reliable, reproducible system and method for entry into the pericardial sac. The method and system described generally includes penetration of the subcutaneous tissue with a guide sheath or a relatively blunt stylet contained within a sheath. The stylet is removed from the sheath and a vacuum mechanism is installed. Once in contact with the pericardium, the sheath is engaged with the pericardial tissue, allowing the vacuum mechanism to draw the pericardium away from the heart to create a greater space between the heart and pericardium allowing needle insertion onto the pericardial cavity in a much safer and controlled manner.

The present invention relates to an irrigation system (1,300, 400, 500) configured to irrigate a wound and / or body cavity, particularly a pericardial cavity (PC) and / or one or more pleural cavities, of a patient, the system (1,300, 400, 500) comprising an infusate outlet (2) for connection to a first tubing arrangement (4) having one or more infusate lumens (100, 100a, 100b, 100b) for directing an infusate flow from the system (1,300, 400, 500) to the wound and / or body cavity, particularly the pericardial cavity (PC), and an effluent inlet (6) for connection to a second tubing (8) having an effluent lumen (104) for directing an effluent flow from the wound and / or body cavity, particularly the pericardial cavity (PC), to the system (1,300, 400, 500); and a flow rate control system for controlling the flow rate of the infusate at the infusate outlet (2), the flow rate control system comprising a control unit (16) for providing one or more control signals and a pump device (62) for pumping the infusate to the infusate outlet (2) at an infusate flow rate adjustable by the control signal of the control unit (16), each infusate lumen (100, 100a, 100b, 100b) of the first tubing arrangement (4) having at least one infusate opening (102, 102a, 102b, 102b) for directing the infusate into the wound and / or body cavity, in particular the pericardial cavity (PC), the infusate openings (102, 102a, 102b, 102b) being arranged along the first tubing arrangement (4) and spaced apart from one another. The present invention further relates to a tube arrangement (4) for an irrigation system (1, 300, 400, 500) configured to irrigate a wound and / or body cavity, particularly the pericardial cavity (PC), of a patient.

The invention belongs to the technical field of pericardiocentesis, and discloses a pericardiocentesis device which comprises a drainage main pipe, a supporting inner core, a puncture needle and a puncture guide wire, the supporting inner core is arranged in the drainage main pipe in a penetrating mode, the outer diameter of the supporting inner core is matched with the inner diameter of the drainage main pipe, the puncture needle is arranged in the supporting inner core in a penetrating mode, and a hollow cavity channel is formed in the puncture needle. A puncture guide wire is arranged in the hollow cavity channel in a penetrating mode, the puncture guide wire is in a J shape in an unstressed state, the puncture guide wire comprises a pointed end section, a bent section, a supporting section and a hard section, and developing marks are arranged at the pointed end section, the puncture end of the puncture needle and the puncture end of the drainage main pipe. The drainage main pipe is supported through the supporting inner core, and the strength of the drainage main pipe is improved; the skin and subcutaneous tissue of a patient can be easily punctured through the puncture needle, the outer layer of the pericardial cavity is punctured through the puncture guide wire and enters the pericardial cavity, the bent section forms a J shape in the pericardial cavity, the contact probability of the needle tip and the non-punctured part and the myocardial is reduced, and the safety of puncture operation is improved.

The application provides a puncture needle in the technical field of puncture and puncture technology, and the puncture needle comprises a needle tube, a side tube and a support guide wire, a blade part is arranged at the distal end of the needle tube, and a syringe interface is arranged at the proximal end of the needle tube. One end of the side tube is fixedly arranged at the proximal end of the needle tube, and the inner cavity of the side tube is in communication with the inner cavity of the needle tube. The support guide wire is arranged in the inner cavities of the side tube and the needle tube, the support guide wire is arranged from the inner cavity of the side tube to the distal end direction of the inner cavity of the needle tube, and a blunt head is arranged at the end of the support guide wire close to the distal end, wherein the blunt head is adapted to be switched between a puncture state of being retracted into the inner cavity of the needle tube and a protection state of being extended out of the inner cavity of the needle tube. When the puncture needle enters the pericardial cavity, the blunt head is controlled to be extended out of the inner cavity of the needle tube, so that the blunt head shields the blade part of the needle tube, at this time, the puncture needle is shielded by the blunt head, a protection effect is achieved, direct contact between the puncture needle and the atrium, the ventricle or the coronary artery is avoided, and the puncture needle is prevented from piercing the atrium, the ventricle or the coronary artery.

A medical access system can comprise an inner needle assembly including an inner needle shaft configured to be slidably disposed at least partially within a delivery lumen of an outer needle assembly, the inner needle shaft comprising a narrower distal portion and a wider portion proximal of the narrower distal portion, and a transition segment between the narrower distal portion and the wider portion. A first delivery lumen within the inner needle shaft can extend from a proximal end of the inner needle shaft to a distal end opening at a distal end of the narrower distal portion, and a second delivery lumen within the inner needle shaft can extend from the proximal end to a distal opening associated with the transition segment.

The present application relates to the technical field of medical devices, and discloses a parallel double-blade radial flux total artificial heart, which comprises a shell, a left pump stator assembly, a left impeller, a right pump stator assembly, a right impeller and a circuit board, the shell has a left cavity, a right cavity and a circuit board mounting area, the left pump stator assembly is arranged in the left cavity, the right pump stator assembly is arranged in the right cavity, the circuit board mounting area is offset to one side of the distribution direction of the left pump stator assembly and the right pump stator assembly, the left impeller is arranged corresponding to the left pump stator assembly, and the right impeller is arranged corresponding to the right pump stator assembly to introduce the blood in the right atrium into the pulmonary circulation; in the above scheme, the circuit board mounting area is laterally offset to the left cavity and the right cavity on the basis of the middle layout, the redundant gap space is fully utilized, the compact integrated layout of the left pump stator assembly, the right pump stator assembly and the circuit board is realized, the volume of the total artificial heart is greatly reduced, the total artificial heart is adapted to the implantation space of the human pericardial cavity, and the implantation difficulty of the total artificial heart is reduced.

The present application provides a pericardial traction exposure device for minimally invasive cardiac surgery, and relates to the technical field of medical devices, which comprises a dilatation ring and a traction assembly arranged on the dilatation ring. The dilatation ring is a deformable elastic ring structure, which can gently and uniformly expand the pericardial tissue after being inserted into the pericardial cavity. The number of traction assemblies is multiple, and they are uniformly arranged on the outer periphery of the dilatation ring along the circumference. The traction assemblies work together to provide more uniform and stable traction force for the pericardial tissue, effectively exposing the heart and providing a clearer surgical field for the surgeon, simplifying the surgical steps, reducing the operation complexity, and improving the overall efficiency and safety of the surgery. Moreover, the dilatation ring and the traction assembly of the present application do not need to be pulled out from the chest wall after traction of the pericardial tissue, avoiding additional surgical incisions and being beneficial to the postoperative recovery of the patient.

The application discloses a method and device for measuring epicardial fat parameters, a storage medium and a processor. In the scheme, the cross-sectional profile point tracing data of the coronary CT angiography image to be measured is obtained; the epicardial fat contour line of the cross-sectional image corresponding to the cross-sectional profile point tracing data is fitted by using the cross-sectional profile point tracing data; the pericardial contour curved surface passing through the plurality of epicardial fat contour lines is fitted and generated by using lofting technology according to the plurality of fitted epicardial fat contour lines; the pericardial cavity three-dimensional model is generated according to the pericardial contour curved surface; and the epicardial fat parameters corresponding to the coronary CT angiography image are measured by performing voxel analysis on the pericardial cavity three-dimensional model. The technical scheme of the application can realize the purpose of measuring the epicardial fat parameters with high accuracy in an automatic manner, and improves the auxiliary value of the measured epicardial fat parameters for the research on cardiovascular diseases.

According to the serous cavity effusion extraction device, a first connecting base is fixed to one side of a top cover of an effusion box, an air extraction pipe is installed on the first connecting base, a second connecting base is fixed to the other side of the top cover of the effusion box, an extraction pipe is installed on the second connecting base, and an extraction needle head is installed at the tail end of the extraction pipe; an inner cylinder is fixed to the outer side of the end of the suction pipe, the outer wall of the inner cylinder is attached to the inner wall of an outer cylinder, the outer side face of the outer cylinder is rotationally connected with the top of the inner side face of a supporting plate through a side shaft, a positioning suction cup is installed at the bottom end of the supporting plate, and a shifting plate is arranged at the top of one end of the outer wall of the inner cylinder. According to the serous cavity effusion extraction device, the novel structural design is adopted, the insertion angle can be conveniently and rapidly adjusted in a rotating mode, the suction pipe and the suction needle head can be stably and linearly pushed and stably locked, and abnormally accumulated liquid in the thoracic cavity or the abdominal cavity or the pericardial cavity is comprehensively sucked.