305results about "Medical insufflators" patented technology

A system for performing minimally invasive procedures in a body lumen of a patient including a flexible catheter having a first lumen configured and dimensioned to receive an endoscope therethrough and a second lumen configured and dimensioned to receive a first flexible tube therethrough. The first flexible tube is movable through the second lumen and has a distal portion including a first curve extending in a first direction with respect to the longitudinal axis and a second curve extending in a second different direction with respect to the longitudinal axis. A retractor system is positioned at a distal portion of the catheter and is movable from a non-expanded insertion position to an expanded position forming an expanded cage to form a larger working space. The distal portion of the first flexible tube is movable within the expanded cage.

Systems and methods for delivering a gas, such as nitric oxide, are provided. In some embodiments, systems and methods are provided for delivering a gas, such as nitric oxide, in the form of nanobubbles and / or a dissolved gas using a liquid medium.

The present invention relates to medical tubes and methods of manufacture. A medical tube includes an elongated conduit having a first opening, a second opening, a longitudinal axis, a lumen extending along the longitudinal axis between the first opening and the second opening, and a corrugated wall formed of an extruded material extending between the first opening and the second opening and surrounding the lumen. The wall is stiffer in a first length of the conduit adjacent the first opening than in a second length of the conduit adjacent the second opening. The variable stiffness of the tube wall can improve heat distribution of the tube and improve condensate return into a humidifier that provides humidified gas to the tube.

The present invention relates to a drug delivery device, which is suitable for drug delivery from the nose of a human body. The drug delivery device comprises: a body assembly (20), wherein the body assembly is internally provided with a drug delivery channel extending along the front-rear direction, and a drug spraying hole is formed at the front end of the drug delivery channel; a gas supply device (30) connected to the rear portion of the body assembly, wherein the gas supply device is in fluid communication with the rear end of the drug delivery channel, and is adapted to supply pressurized gas to the drug delivery channel; and a capsule holder (5) arranged within the rear portion of the body assembly, wherein the capsule holder is adapted to accommodate a nasal pharmaceutical agent, and is configured to be in fluid communication with both the rear end of the drug delivery channel and the gas supply device (30).

The utility model relates to an oscillating positive expiration pressure sputum excretion device which comprises a holding shell, a working cavity is formed in the holding shell, an air channel is fixedly installed above the holding shell, a blocking piece is fixedly installed in the air channel, an air inlet is formed in the position, corresponding to the front portion of the blocking piece, of the upper end face of the holding shell, and an air inlet pipe is fixedly installed below the air inlet. An air nozzle is fixedly installed on one side of the tail end of the air inlet pipe, an oscillation box is arranged at the top end of the air nozzle, and an oscillation piece is rotatably installed in the oscillation box. Through the design that the oscillation box is arranged in the working cavity and the oscillation piece is installed in the oscillation box, compared with a traditional oscillation structure with a single-ball blocking structure, the oscillation piece and a cavity separated, the oscillation structure is more stable; the second air outlet for adjusting the air pressure through the adjusting knob is matched with the design of the transparent air flow indicating tube, multi-gear adjustment and visualization of the air pressure are achieved, the water content in exhaled air is effectively reduced through the design that the water vapor filtering cotton is arranged in the blocking cavity, and the service life of the product is prolonged.

A leak detecting apparatus (1) for detecting a leak and determining the size of the leak in a suture repaired site (5) of a hollow organ (3), for example, a stomach, in a cavity (7), for example, the peritoneal cavity of a subject comprises a first insufflator (12) for insufflating the hollow organ (3) with a first gas, and a second insufflator (14) for insufflating the cavity (7) with a second gas. A gas detector (18) is provided for detecting the concentration of the first gas in gases exhausted from the cavity (7) through a communicating conduit (35). A flow meter (25) monitors the flow rate of the first gas to the hollow organ (3). First and second pressure sensors (15) and (16) monitor the static pressure of the first and second gases in the hollow organ (3) and the cavity (7), respectively. The apparatus (1) is operable in a first mode and a second mode. In both the first and second modes of operation a microprocessor (50) controls the second insufflator (14) for maintaining the pressure in the cavity (7) at a relatively low predefined pressure, and the first insufflator (12) for maintaining a constant predefined pressure differential between the pressures in the hollow organ (3) and the cavity (7) of approximately 7 mmHg. In the first mode the microprocessor (50) determines the size of the leak as a function of the pressure differential and the concentration of the first gas in the exhaust gases. In the second mode of operation the microprocessor (50) determines the size of the leak as a function of the pressure differential and the flow rate of the first gas to the hollow organ (3) with the hollow organ (3) sealed apart from the sutured site (5).

Surgical port attachments, adapters, modules, and methods of making and using the same are disclosed. Surgical ports are particularly suitable for cleaning surgical tools operable within body cavities. Surgical port attachments, adapters, modules and methods thereof are also disclosed, which may be adapted to attach to the interior or onto a trocar and used to clean the lens and light source of an endoscope.

A light irradiation device includes first and second light sources to emit first light and second light having mutually different wavelengths, respectively, at timings close to each other regardless of overlap between the first light and the second light, the first light has a wavelength band for inducing destruction of bacteria by damaging a cell as the first light acts on a photosensitizer present in the bacteria, wherein the second light has a wavelength band for inducing the destruction of the bacteria by changing the structure of a genetic material present in the cell of the bacteria, and a dose of the second light source is less than 1 / 10 of a dose of the first light source.

A method for automatically detecting a clinically relevant leak and / or inadequate closure following a medical procedure, in a hollow organ residing in the interior volume of a body cavity. The test method includes the steps of: injecting, via an adapted injection element, a specific test gas or a gas mixture containing at least one test gas, into the organ, analyzing the gas mixture and measuring the test gas concentration in the interior volume of the body cavity via an adapted detection element and at least during a measurement window, evaluating the likelihood of the presence of a leak and its degree of severity, by comparing stored data and real-time data with each other. The pressure difference between the interior of the hollow organ(s) and the interior volume of the body cavity is controlled or mastered at least at a given moment during at least one measurement window.

Various examples of the disclosed subject matter include systems and methods to control a flowrate of a smoke evacuation system. In one example, a smoke-evacuation system includes an electrosurgical a unit (ESU) to provide electrical power to an electrosurgical tool within a surgical site. A monitoring device measures one or more electrical parameters from the electrosurgical tool and a controller estimates an amount of generated smoke within the surgical site based on the electrical parameters. The controller sets a flowrate of a suction device to remove gases within the surgical site. The flowrate of the removed gases produced is based on the estimated amount of generated smoke. The controller further controls a flowrate of an insufflation gas produced by an insufflation device where the flowrate of the insufflation gas is substantially equal to the flowrate of the gases produced by the suction device. Other systems and methods are disclosed.

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.

To provide a novel therapy of sinusitis and an olfactory disorder without side effects and without troubles caused by manipulation such as respiratory distress.SOLUTION: An operation method of a device for generating pressure vibration so as to improve the symptoms of an aerial conduction olfactory disorder and / or sinusitis causes pressure vibration generated from a pressure vibration generation device to reach one or two or more places chosen from among the olfactory cleft, the middle nasal meatus, and the maxillary sinus through one-side nostril, without administration of a medicine.SELECTED DRAWING: Figure 1

This invention provides a powder dispensing container with a simple structure that allows for the preservation of powder quality before cartridge installation and is immediately usable after cartridge installation. [Solution] The powder ejection container 1 comprises a cartridge 2 for containing powder 100 and a syringe container 3 for supplying air to the cartridge 2. The cartridge 2 comprises an ejection hole 2a for ejecting powder 100, a powder storage chamber S1 communicating with the ejection hole 2a and containing powder 100, an air supply passage 50 for supplying air from the syringe container 3 to the powder storage chamber S1, and a stopper 40 that can openly close the air supply passage 50. The syringe container 3 comprises a cartridge mounting section 12 for detachably mounting the cartridge 2 in the container axis direction of the syringe container 3, and an opening projection 13 that moves the stopper 40 in the container axis direction in conjunction with mounting the cartridge 2 to the cartridge mounting section 12, thereby opening the air supply passage 50.

Provided is a powder inhalation system including a storage unit for storing a powder for inhalation, and a powder inhaler for inhaling the powder. The powder inhaler has a chamber in which the storage unit is disposed, and the storage unit stores a desiccant different from the powder.

. A gas sealed access cap for a robotic cannula is disclosed which includes a housing defining an interior cavity that supports an annular jet assembly for receiving pressurized gas from an inlet port of the housing, wherein the annular jet assembly is adapted to generate a gaseous sealing zone within the robotic cannula to maintain a stable pressure within the surgical cavity of a patient during the performance of a robotically assisted laparoscopic surgical procedure.

The utility model relates to the technical field of medical instruments, and particularly discloses a pneumoperitoneum machine and a backflow liquid detection device thereof. The backflow liquid detection device of the pneumoperitoneum machine comprises an air outlet connector, an adapter, a first signal line and a second signal line. The air outlet connector is used for being arranged on a panel of the pneumoperitoneum machine in a penetrating mode. The adapter is used for being communicated with an air path in the pneumoperitoneum machine, the adapter is communicated with the air outlet connector to form an air outlet channel, at least part of the air outlet connector is made of a conductive material, at least part of the adapter is made of a conductive material, and an insulating part is arranged between the matching surfaces of the air outlet connector and the adapter so as to insulate the air outlet connector from the adapter; the first signal line and the second signal line are arranged on the air outlet connector and the adapter respectively so that the first signal line and the second signal line can be conducted when the conducting medium passes through the air outlet channel. According to the backflow liquid detection device of the pneumoperitoneum machine, the liquid backflow detection function of the pneumoperitoneum machine can be achieved. And the backflow liquid detection device does not influence the sectional dimension of the air outlet channel, so that the flow control of the pneumoperitoneum machine is not influenced.

A medical instrument accessory for providing fluid to a body cavity of a patient during a surgical procedure. The medical instrument accessory comprises a body mountable over at least a portion of a shaft of a medical instrument. The body comprises an inner wall defining a lumen, a proximal end; a distal end defining an opening; a fluid connecting portion configured to connect the lumen in fluid connection with a fluid source; and a sealing element configured to provide a substantially fluid-tight seal with the medical instrument. The sealing element is configured to allow rotation of the medical instrument accessory relative to the medical instrument shaft, such that rotational movement of the fluid connecting portion is decoupled from rotational movement of the medical instrument shaft. Also disclosed are: a swivel connector for a medical instrument accessory; a flow controller for controlling flow in a fluid evacuation line for a surgical system; a fluid line connector for joining a first fluid evacuation line and a second fluid evacuation line to a suction canister; a fluid evacuation system; and a system for providing fluid to and venting fluid from a body cavity of a patient during a surgical procedure.

A blocking valve assembly for a surgical gas delivery device is disclosed, which includes a valve body supporting a plurality of pneumatically actuated pistons, each piston mounted for independent movement within a respective piston cylinder between a first position blocking a respective gas passage communicating with a filter cartridge to facilitate a leak test of the gas delivery device and a second position permitting gas flow through the gas passage communicating with the filter cartridge to facilitate a surgical procedure.

A device for delivering an agent includes a valve assembly including a cavity for storing the agent and an agitation mechanism movably disposed inside the cavity. An inlet conduit fluidly coupled to a fluid source and the valve assembly. An outlet conduit fluidly coupled to the valve assembly, wherein the inlet and outlet conduit are each in fluid communication with the cavity. The agitation mechanism is configured to agitate the agent within the cavity in response to the agitation mechanism moving inside the cavity. The valve assembly is configured to urge the agitation mechanism to move inside the cavity in response to receiving a fluid from the fluid source via the inlet conduit, combine the fluid with the agent within the cavity in response to the agitation mechanism moving inside the cavity, and deliver a combination of the agent and the fluid out of the cavity through the outlet conduit.

Therapeutic powder applicators and their methods of operation are described. In some embodiments, a first flow of gas may flow through a distal porous portion of a chamber containing a therapeutic powder. This gas may fluidize and entrain the therapeutic powder and flow the entrained powder through an outlet that is in fluid communication with the chamber.

A device for delivering an agent includes a valve assembly including an enclosure for storing the agent, an agitation mechanism rotatably disposed inside the enclosure, and a tube disposed inside the enclosure and extending through the agitation mechanism. The tube includes a channel having a longitudinal length defined between a first opening at a first end of the tube and a second opening at a second end of the tube. The agitation mechanism is configured to direct a fluid received in the enclosure towards the agent stored therein in response to rotating about the tube, thereby agitating the agent within the enclosure. The tube is configured to receive a mixture of the fluid and the agent at the second opening and direct the mixture through the channel for delivery out of the enclosure via the first opening.

The present invention relates to a tool (1) for a medical instrument for the multidirectional atomising of a fluid into a cavity of a body, and to a medical instrument herefore. The tool (1) has a shaft (2) with a lumen (7). At the distal end (1') thereof, a nozzle head (3) is arranged, which has at least two lateral nozzles (4) and one distal nozzle (5) that is arranged on a distal end face (3') of the nozzle head (3). Each nozzle has a nozzle opening (4',5') that is fluidically connected to the lumen (7) via a distributor cylinder (10). A cap (6) is releasably arranged around the nozzle head (3), which cap has, for each of the nozzles (4, 5), a through opening (6') which can be positioned over their nozzle opening (4', 5') and which is designed to allow the discharge of a stream of the fluid to be atomised, wherein the through openings (6') of the cap (6) each have an opening cross section that is smaller than a diameter of the respective nozzle (4, 5) positioned under the through opening (6').

The system comprises an intracavity device with an insertable portion having on its outer surface a sensor module which comprises at least a sensor of temperature, humidity or both; a second group of sensors comprising at least a volume sensor, a pressure sensor or both, wherein the fluid flows through the volume and / or pressure sensors; a fluid insufflation module; and a monitoring and control of the homeostasis module connected to the sensor module and to the second group of sensors and which comprises a processing unit.The method comprises insufflating fluid into the cavity, to maintain a working volume and maintain the homeostasis of the cavity in a continuous manner, in particular the distensibility, temperature and humidity.

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.

The present invention relates to a device (1200)for delivering a powdered agent, comprising a canister e(1202) extending longitudinally from a first end to a second end and defining an interior space (1206) within which a powdered agent is received an inlet (1208) couplable to a gas source for supplying gas to the powdered agent to create a gas mixture, an outlet (1210) via which the gas mixture is delivered to a target area for treatment, and a piston (1204) movably coupled to the canister (1202), the piston (1204) movable from an initial configuration toward the second end of the canister (1202) to deliver the gas mixture to the target area.