52results about "Medical insufflators" patented technology

A valve assembly for a medical device that includes a piston configured to move relative to an enclosure of the medical device, the enclosure including a first region in fluid communication with an agent, and a second region in fluid communication with a source of fluid. The piston includes a chamber disposed on a sidewall of the piston which is configured to receive the agent. The piston is configured to move to a first position where the chamber is in fluid communication with the first region and not in fluid communication with the second region such that the agent is received within the chamber, and further configured to move to a second position where the chamber is in fluid communication with the second region and not in fluid communication with the first region, such that the agent within the chamber is mixed with the fluid received in the second region.

The present invention provides a control system for controlling a surgical workstation 10, comprising an energy controller 14 for controlling energy supply of an energy-based medical device 12 for energy treatment of an object, and an auxiliary controller 20, 24, 28 for controlling operation of at least one auxiliary medical device (18, 22, 26; 118, 122, 126) for interaction with said object on the basis of a different modality than the energy-based medical device.

An active smoke filtration unit is used to remove smoke during laparoscopic surgery. The active smoke filtration unit is part of a recirculation circuit. The recirculation circuit is pneumatically isolated from a primary flow generator, such as an insufflator, by a valve assembly. The active smoke filtration unit can be housed separately from the valve assembly or together with the valve assembly. The recirculation circuit can include a humidifier to heat and humidify the insufflation gases.

To provide surgical systems. [Solution] A surgical system is disclosed, comprising: a power supply operable to provide a supply amount of energy; a first surgical module electrically connected to the power supply; a second surgical module electrically connected to the power supply; and a controller operable to determine the amount of free energy available from the power supply to the second surgical module. The first surgical module is transitionable between an idle state in which the first surgical module draws a first amount of energy from the power supply and an active state in which the first surgical module draws a second amount of energy greater than the first amount of energy from the power supply. The amount of free energy corresponds to the difference between the supply amount of energy and the amount of energy drawn by the first surgical module.

An insufflation system is provided. The insufflation system comprises: a plurality of lumens connected to a gas source; a controller operably coupled to a plurality of switches to switch the plurality of lumens between an insufflation state and a sensing state such that a first lumen is sensing state and a second lumen is in an insufflation state concurrently.

Provided is an administration device having a novel structure with which makes it possible for any user to effectively administer a substance to be administered such as a powdery drug to the site called the olfactory region in the nasal cavity. This device includes: a gas generator; a valve part; an injection cylindrical body 50; a flexible portion 51 formed on the distal side of the injection cylindrical body 50; a nozzle end portion 53 having a discharge port 54; and a posture control projection portion 52. When the posture control projection portion 52 is positioned on the nostril floor, the flexible portion 51 deforms along the contour in the external nostril formed between the nasal septal cartilage and the upper lateral cartilage, while the nozzle end portion 53 is positioned on the nose-dorsum side around the region in the external nostril in which the upper lateral cartilage meets the nasal bone.

Plasma delivery tips of medical-grade plasma generating devices are configured to exclude potential contaminants while operating within body cavities. In some embodiments, delivery tips are provided with an antechamber, which is optionally filled by pressure of ionizing gas to prevent contamination. Some embodiments are provided with one or more interior and / or exterior valves configured to prevent proximal ingress of contamination to the longitudinal position of the discharge electrode, or at all into the gas delivery lumen. In some embodiments, an expandable distal section of the plasma delivery tip acts as a valve which seals when closed, and when open expands to generate an inflated antechamber into which plasma is delivered.

The present disclosure relates generally to the field of medical devices. In particular, the present disclosure relates to a tissue traction device, e.g., for endoscopic tissue dissection. For example, a tissue traction device may include a first clip comprising opposable jaws. The device may include a traction band having a first end, a second end, a length therebetween and extending along a longitudinal axis. The band may have a first aperture at the first end. A second aperture may be at the second end of the band. A first jaw of the opposable jaws of the first clip may be disposed through the first aperture.

A method of optimizing insufflation pressure during a laparoscopic surgical procedure that includes logging insufflation data during a type of laparoscopic surgical procedure performed on a plurality of patients over a period of time, correlating the insufflation data with one or more insufflation parameters having an impact on surgical outcomes for the type of laparoscopic surgical procedure, determining an optimal value of insufflation pressure for the type of laparoscopic surgical procedure based upon one or more of the insufflation parameters, and providing guidance for operating an insufflation device during the type of laparoscopic surgical procedure performed on a patient at the optimal value of insufflation pressure to improve the surgical outcome for that patient.

This invention provides for a component forming a part of a breathing tube, or forming the breathing tube, for example as a part of a breathing circuit for respiratory therapy. The component comprising a tubular body having a foamed wall. The foamed wall can be formed from extrusion of a single extrudate. The foamed wall is of a sufficient minimum optical transparency such that, in use, there is enabled the visual detection of a liquid (or condensate that may have formed) within the tubular body.

A surgical system for providing an improved video image of a surgical site including a system controller that receives and processes video images to determine a video signature corresponding to a condition that interferes with a quality of the video images, with the system controller interacting with a video enhancer to enhance the video images from a video capturing device to automatically control the video enhancer to enhance the video images. The surgical system can also review the video images for a trigger event and automatically begin or stop recording of the video images upon occurrence of the trigger event.

A portable air sterilization device attached to a respirator has been disclosed for personal protection of individuals working for long periods in highly infectious environments. This air sterilization device neutralizes 99.99% to 100% of aerosolized viruses and bacteria present in infected air and is portable. To sterilize infected air, the device uses a method of thermal stress (Grinshpun et al., 2010).

An inhalation device 10 comprises: a housing 16; a storage part 11 that is provided to the housing 16 and that stores, in a coil shape, a belt-like blister strip in which a powdery medicine is enclosed in a plurality of blister pockets 21; a drive part 12 that is provided to the housing 16 and that pulls out the blister strip 20 from the storage part 11; an opening part 13 that is provided to the housing 16 and that opens the pulled-out blister strip 20 to allow the medicine to be inhaled from an inhalation part 18; and a blister recovery part 14 that is provided in the housing 16 and that recovers the opened blister pockets 21 while pushing in the blister pockets 21 in a coil shape, without winding the blister pockets 21.

The application relates to a handheld negative ion generating device and a use method, high-concentration negative ions are generated through a photocatalytic reaction, and the human mouth and nose area is accurately guided. After the negative ions enter the human body through the respiratory tract, the combination of hemoglobin and oxygen can be effectively promoted, the blood oxygen saturation is improved, pure oxygen inhalation is not required, and side effects such as oxygen poisoning are avoided. The negative ions are generated through a photocatalytic reaction, there are no harmful by-products such as ozone, the device is more energy-saving and environment-friendly, and the negative ion release is stable and efficient. The overall structure of the device is compact, handheld and portable, can be flexibly adapted to home daily conditioning, outdoor activities, high-altitude hypoxic environments and the like, and the problem that large blood oxygen improvement equipment is limited in use is solved. The device has negative ion intensity and airflow velocity adjusting functions and is convenient to operate; the device is also integrated with oxygen generation functions and meets hypoxic demands in different degrees. The application has the advantages of high safety, comfortable use, long-lasting endurance and the like and is suitable for daily conditioning and emergency hypoxic use of people with low blood oxygen saturation.

The invention relates to an insufflation system, in particular in transanal total mesorectal excision (taTME), with two insufflators of identical construction, the sensor systems and operating modes of which are coordinated with one another such that the two insufflators optimally support the operation. According to the invention, the two insufflators, which initially insufflate (distend) different body cavities in the abdominal cavity, are coordinated in terms of their setpoints and operating states.

Over-enthalpy conditions when using a respiratory and / or surgical humidifier system can be prevented. A heating element power in an inspiratory conduit can be limited based at least in part on one or more parameters of the gases flow, and / or on an ambient temperature. The limit on the heating element power in the inspiratory conduit can be achieved using a processor and / or protection circuit(s) located outside the processor. For example, the system can use the processor to determine and / or apply the limit as a level of protection and use the protection circuit(s) as another level of protection.

This invention discloses a manifold assembly for a surgical gas delivery system, the manifold assembly comprising: a manifold body including an inlet for receiving gas from the outlet side of a compressor and an outlet for recirculating gas to the inlet side of the compressor; a bypass valve communicating with the inlet and outlet of the manifold body; an air vent valve for dynamically controlling the intake of air from the atmosphere; a smoke exhaust valve for dynamically controlling the exhaust of gas from the manifold assembly when the gas delivery system is operating in smoke exhaust mode; and a gas injector for dynamically controlling the intake of gas from a surgical gas source.

Disclosed is a humidification chamber having a chamber body for connection to a base defining a chamber interior The chamber body has a humidification chamber gases outlet, and an opening defining a passageway between the chamber interior and a filter chamber. The filter chamber is defined by a filter cover and an upper surface of the chamber body and has a filter. The filter comprising a filter media located in the filter chamber between the humidification chamber gases inlet and the opening.

To provide humidifier systems and components of the humidifier systems configured to supply gases to a patient during a medical procedure.SOLUTION: A surgical cannula configured as an instrument retaining or centering apparatus is configured for providing insufflation gases to a surgical cavity of a patient (such as the pneumoperitoneum) and allowing insertion of medical instruments into the surgical cavity through the cannula. The cannula can include features to direct the gas flow in particular directions to prevent or reduce smoke, fog / condensation, or other unwanted media from contacting a portion of a medical instrument.SELECTED DRAWING: Figure 4B

The present invention provides a pharmaceutically acceptable composition in the form of a solid amorphous single-particle powder, comprising a mixture of (a) a pharmacologically effective dosage of a low molecular weight CGRP receptor antagonist or a pharmaceutically acceptable salt thereof, and (b) a pharmaceutically acceptable carrier material comprising maltodextrin having more than 15 dextrose equivalents (DE). The composition is suitable for transmucosal drug delivery, for example, nasal delivery, so that the composition can be loaded into a single-use nasal applicator. The composition may further comprise a disaccharide, such as lactose or trehalose, which may be prepared by spray drying and spray-dried together with the active ingredient and maltodextrin. The composition may further comprise one or more alkylsaccharides. Preferred alkylsaccharides include sucrose esters such as sucrose monolaurate. Preferred CGRP receptor antagonists include gepants such as ubrogepant, atogepant, rimegepant, and zabegepant. Therefore, the composition is particularly useful in the treatment of migraine-related conditions.

A medical gas conduit includes an elongated tube that can be formed of a gas permeable material. The medical gas conduit includes one or more features to inhibit ballooning or to improve one or more of crush resistance or crush recovery of the elongated tube. The medical gas conduit can include a reinforcing member. The medical gas conduit can be tethered to another medical gas conduit by a plurality of retainers. The elongated tube can have an improved corrugated profile. The medical gas conduit can include a membrane formed of a gas permeable material. The elongated tube can be formed of a composite material.

This invention discloses an insufflator with a connection port on its front cover. The connection port includes an interface seat and a locking cover. The rear edge of the locking cover is connected to the front edge of the interface seat via a friction adjustment mechanism. The friction adjustment mechanism includes a sliding member and a spring member. A set of sliding members is vertically inserted into the rear edge of the locking cover and can slide along the rear edge of the locking cover. The spring member passes through the back of the front edge of the interface seat and connects with the sliding members. The elastic force of the spring member drives the locking cover to maintain contact with the interface seat. At the same time, the locking cover can rotate relative to the interface seat through the sliding members. Rolling mechanisms are provided between the contact surfaces of the sliding members and the locking cover, and between the contact surfaces of the locking cover and the interface seat, to form rolling friction. A filter is inserted into the interface seat. The locking cover locks or unlocks the connection between the filter and the interface seat by rotation. This solution reasonably sets the friction between the locking cover and the interface seat by combining rolling friction and spring members.

A method for monitoring insufflated body cavity pressure, which includes the step of repeatedly calculating body cavity pressure using a polynomial function of at least three relatively weighted terms including an insufflation gas supply pressure that is greater than the body cavity pressure, an insufflation gas flow rate and a compressor discharge pressure, and the step of adjusting insufflation gas flow and compressor discharge flow to maintain the body cavity pressure within a desired range.

The present application belongs to the field of artificial pneumothorax making device, and particularly relates to an artificial pneumothorax puncture device for chest wall puncture and establishment of a pleural cavity channel. In view of the defects that the existing puncture needle is easy to puncture the visceral pleura, the position of the needle tip is ambiguous, iatrogenic pneumothorax, gas embolism and other complications are easily caused, and the puncture needle cannot be adapted to high-risk patients such as emphysema, the present application adopts a coaxial structure, designs a blunt and smooth pneumothorax needle, and / or increases the contact area of the front end of the outer sleeve tube with the visceral pleura, cooperates with the side wall vent hole to realize direct positioning of the pleural cavity negative pressure, integrates double operation paths, and is matched with frosted development, scale marking and other optimizations. The device can greatly reduce the risk of complications, expand the applicable population, shorten the positioning time, balance the operation flexibility and accuracy, and effectively improve the safety and efficiency of the artificial pneumothorax operation.

A medical device including an application device with a first fluid path and a container movably attached to the application device. The container and the application device have a second fluid path therethrough, the container includes an inner chamber that is intermediate proximal and distal portions of the second fluid path, the inner chamber is fluidly isolated from the proximal portion of the second fluid path at a first position of the container, and the inner chamber is fluidly coupled to the proximal and distal portions of the second fluid path at a second position of the container. The first fluid path bypasses the container and the passage of fluid through the first fluid path is separately controllable from the passage of fluid through the second fluid path.

Disclosed is a medical device for delivering an agent. The device comprises: a valve assembly for selectively releasing the agent to a site of a medical procedure, the valve assembly including a valve configured to transition between one or more configurations for moving the agent from a first area that stores the agent, the first area not being in fluid communication with a pressurized fluid source that supplies a pressurized fluid, to a second area in which the agent encounters the pressurized fluid. The valve permits receipt of the pressurized fluid through the valve assembly and out of the medical device via the second area without the agent in response to the valve being in a first configuration that inhibits fluid communication between the agent stored the first area and the pressurized fluid. The valve further permits receipt of the pressurized fluid through the valve assembly and out of the medical device via the second area with the agent in response to the valve being in a second configuration that allows fluid communication between the agent moved to the second area and the pressurized fluid.