346 results about "Body cavity" patented technology

Embodiments of the present invention provide devices and methods for treating at least one disease by delivering an effective amount of energy and / or an agent to tissue on or near a body cavity wall. The agent may include at least one of a gas, vapor, liquid, solution, emulsion, suspension, or a combination thereof of one or more components. The amount of agent and / or energy delivered is effective to damage or injure tissue, nerves, and / or nerve endings to alleviate disease symptoms.

Provided are methods and devices for facilitating the advancement of a catheter device, such as an intracardiac ultrasound examination catheter, through a body wall, such as the septum of the heart. The catheter device is advanced through a subject's vasculature to a first body cavity. The catheter device is coupled to a guidewire previously placed within the vasculature between the first and second cavities. The catheter device is then advanced from the first body cavity to the second body cavity through a body wall separating the first and second cavities. To facilitate this advancement, the catheter device can be magnetically coupled to the guidewire. The magnetic assembly can be provided on a distal portion of a sleeve through which the distal portion of the catheter is advanced. A malleable dilator element can also be provided on the distal portion of the sleeve.

This invention generally relates to a method for performing an endoscopic procedure. According to some aspects of the invention, the method comprises placing an endoscope shaft within a body cavity at a desired examination point, the endoscope shaft having a proximal end, mid shaft and a distal end, the distal end terminating in an endoscope tip, wherein the endoscope tip is proximal to the desired examination point, positioning a segment of a longitudinally opened overtube over the endoscope mid shaft, wherein the overtube including a longitudinal reclosable seam along an entire length of the overtube, an inner surface, an outer surface, a proximal end and a distal end, a positioning ring adjacent the distal end on the outer surface, at least one sealing band on the inner surface, and an independently positionable occlusion catheter terminating in an asymmetrical occlusion balloon; at least one handle at the proximal end and on the outer surface for grasping and manipulation of the overtube within the body cavity. The method further comprises closing the seam of the segment of the overtube positioned over the endoscope mid shaft to form a longitudinally closed overtube and move the closed overtube over the endoscope shaft as guide within the body cavity and repeat the closing and moving till the overtube reaches the desired examination point, inflating the positioning ring to create a seal between the outer surface of the overtube and a body cavity proximal to the endoscope tip, wherein when inflated the positioning ring expanded asymmetrically around the overtube, inflating the at least one sealing band to create a seal between the internal surface of the overtube and endoscope shaft, passing the independently positionable occlusion catheter terminating in the asymmetrical occlusion balloon through a passageway along the overtube to enter the body cavity at the end of the overtube, manipulating the independently positionable occlusion catheter to a selected point within the body cavity distal to the endoscope tip, inflating the occlusion catheter balloon to create seal between the occlusion catheter balloon and the body cavity, and creating a sealed examination compartment between the positioning ring, the asymmetrical occlusion balloon and the sealing band surrounding the distal end of the endoscope shaft.

The invention relates to an instrument for transferring cerebrospinal fluid in a ventricle into a body cavity of other parts of a human body, and particularly discloses an intraventricular hydrops drainage device which comprises a base used for being attached to a bone window of a skull, a confluence cavity and a liquid outlet connector communicated with the confluence cavity are arranged on the base, and the liquid outlet connector is provided with a liquid inlet and a liquid outlet. The flow guide hose is connected to the liquid outlet joint; a tip axially remote from the base; the drainage main body component is used for guiding cerebrospinal fluid in the ventricle to the confluence cavity; the drainage main body component comprises a plurality of micro-catheters; the near end and the far end of each micro catheter are attached to the base and the end respectively, and the near end of the micro central hole of each micro catheter is communicated with the confluence cavity; the micro-conduits are arranged in a plurality of circles in the circumferential direction and the radial direction; a micro drainage structure communicated with the micro central hole is arranged on the tube wall of each micro catheter, and the micro drainage structures are arranged in the circumferential direction and the axial direction of the tube wall of the micro catheter so as to allow cerebrospinal fluid to enter the micro central hole through the tube wall of the micro catheter.

An inflatable speculum device for more comfortably and conveniently expanding the vaginal cavity to facilitate visualization of the cervix includes a tube having an interior space. The tube is made of a resiliently deformable material wherein the tube is configured to inflate. A hose is couplable to the tube and is in environmental communication with the interior space of the tube. A pump is fluidly coupled to the hose wherein activation of the pump moves air into the interior space of the tube through the hose thereby inflating the tube. The tube fits within a body cavity of a user whereby the tube is configured to dilate the body cavity when the tube inflates.

Systems, devices, and methods for controlling cooperative surgical instruments are provided. Various aspects of the present disclosure provide for coordinated operation of surgical instruments accessing a common body cavity of a patient from different approaches to achieve a common surgical purpose. For example, various methods, devices, and systems disclosed herein can enable the coordinated treatment of surgical tissue by disparate minimally invasive surgical systems that approach the tissue from varying anatomical spaces and operate in concert with one another to effect a desired surgical treatment.

The invention discloses a negative pressure suction sheath and a negative pressure suction assembly, and relates to the technical field of medical instruments, the negative pressure suction sheath comprises an insertion tube, a sheath base and a sealing element, the sheath base is arranged at the near end of the insertion tube and is communicated with the insertion tube, and the sealing element is arranged on the sheath base, is in sealing fit with the sheath base and / or the insertion tube, and blocks the near end of the insertion tube from being communicated with the outside. The insertion tube can be inserted into a human body, such as a pelvis and a bladder. The sealing piece can isolate the insertion channel from the external environment, and the insertion tube is communicated with the ureter and extends to the renal pelvis. At the moment, the sealing piece can prevent the insertion channel of the insertion tube from being directly communicated with the outside, so that the internal pressure of the insertion channel, the human body cavity and the organs is effectively maintained, the internal pressure change amplitude and range of the human body cavity and the organs are reduced, and the internal pressure change of the human body cavity and the organs is stabilized; and the probability of bleeding of human body cavities and organs due to severe pressure change is effectively reduced, so that the onset risk of complications is reduced.

The invention discloses a drug delivery device in a human body cavity, which comprises an inflatable balloon, at least one part of the outer wall of the balloon is provided with a protective shell, the balloon is provided with an inner cavity, and the protective shell can be dissolved by specific body fluid in the human body cavity; the triggering part is arranged in an inner cavity of the balloon, and the triggering part can react with body fluid to generate fluid to inflate the balloon when making contact with the body fluid, so that the inflated balloon is tightly attached to the wall of a body cavity; the propelling part is arranged in the inner cavity of the balloon and comprises a tissue penetrating component, and the triggering part can generate power to propel the tissue penetrating component; and the containing part is used for containing a medicine preparation, and the triggering part can push and press the liquid medicine preparation contained in the containing part into the pushing part after the balloon is inflated, and injects the liquid medicine preparation into the inner wall tissue of the human body cavity through the tissue penetrating component. By means of the device, macromolecular drugs or preparations can be injected into the inner wall of the human body cavity, such as the tissue of the intestinal wall.

The application discloses a kind of body cavity effusion pressure self-adaptive control drainage device, it is related to body cavity effusion technical field, including drainage tube, the top of drainage tube is fixedly connected with three-way joint;Liquid storage bag is connected to the export end of drainage tube;Pinch valve is set on drainage tube;Pressure sensor is set on three-way joint;Driving assembly is drivingly connected with pinch valve;Control box is electrically connected with pressure sensor and driving motor respectively, and control box is internally provided with microprocessor;And valve handle is set on pinch valve;By setting pressure sensor, control box, microprocessor and driving assembly, and control box is electrically connected with pressure sensor and driving motor respectively, while setting the setting panel electrically connected with microprocessor, so that medical staff can preset pressure safety range according to patient type, and pressure sensor monitors body cavity pressure in real time and feeds back to microprocessor.

The present disclosure concerns a diagnostic apparatus and related methods for assessing an internal condition of a body cavity. One such apparatus comprises a manometer integrated into an endoscope, wherein the endoscope comprises a flexible tube, the manometer is integrated into a distal end and / or exterior of the flexible tube, and a plurality of pressure sensors are spaced at intervals along a length of the manometer.

Systems and methods related to polymer foams are generally described. Some embodiments relate to compositions and methods for the preparation of polymer foams, and methods for using the polymer foams. The polymer foams can be applied to a body cavity and placed in contact with, for example, tissue, injured tissue, internal organs, etc. In some embodiments, the polymer foams can be formed within a body cavity (i.e., in situ foam formation). In addition, the foamed polymers may be capable of exerting a pressure on an internal surface of a body cavity and preventing or limiting movement of a bodily fluid (e.g., blood, etc.).

A fully automatic animal body washing machine, belonging to the field of animal care, includes a main body and a door, with opposing inner cavities connected by a rotating shaft. The body cavity communicates with the outside at the animal's neck, and the lower part of the body cavity connects to the leg cavity where the four legs are located. Multiple rotating or swinging bathing heads are evenly arranged inside the main body and door, each equipped with a spray hole and a bathing brush. The spray holes are connected to an instant electric water heater and a cleaning agent supply device. Some of the bathing heads are equipped with sensors to detect the animal's size and weight. The washing machine is equipped with a controller and its touch screen display. This invention can reduce parasites and diseases caused by unhygienic animals, reduce the troubles or confusion of raising animals, and ensure the economy, safety, happiness, or emotional support of feeding animals.

Apparatus and related methods relate to inducing body cavity evacuation. In an illustrative embodiment, a compressive headgear may be configured to selectively apply compression to predetermined points on a patient's head. The headgear may, for example, include a contraction induction control unit. The control unit may, for example, be operable to control the compression level applied by the headgear. The predetermined points may, for example, include a first parietal surface. The points may, for example, include a second parietal surface opposing the first. The points may, for example, include an occipital surface. Various embodiments may advantageously induce muscular contraction around a target body cavity, facilitating evacuation.

The invention relates to an instrument for transferring cerebrospinal fluid in a ventricle into a body cavity of other parts of a human body, and particularly discloses a cerebrospinal fluid drainage catheter component and a drainage system.The cerebrospinal fluid drainage catheter component comprises a catheter body, a plurality of rows of main long holes which extend in the circumferential direction and are distributed at intervals in the axial direction are formed in the wall of the catheter body, and a plurality of drainage holes are formed in the main long holes; a plurality of protruding parts are arranged on the two linear hole walls of the main long hole so that the main long hole can be divided into a plurality of micro holes. The pipe wall occupied by each row of main long holes is a first section, and the pipe wall between each two adjacent rows of main long holes is a second section; the driving component is used for driving one of every two adjacent second sections to axially move relative to the other second section, so that one end, in the circumferential direction, of the main long hole axially moves relative to the other end of the main long hole, and the two linear hole walls of the main long hole generate relative dislocation movement in the circumferential direction; therefore, the protruding part disturbs the interior of the main long hole.

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.

The invention relates to the field of medical equipment, in particular to a high-precision temperature control system with weighing and heating functions for a body cavity hyperthermia perfusion therapy machine. The system comprises a peristaltic pump control device, a high-precision temperature measurement probe, a temperature acquisition device, a microwave cavity, a microwave power acquisition device, a microwave power output module, a weighing detection device, a control system and a computer. The peristaltic pump control device comprises a filling pump, a circulating pump and a draw-off pump and is used for controlling liquid medicine to flow; the weighing detection device is arranged below the microwave cavity and is used for detecting the weight of liquid in the medicine bag; and the microwave power acquisition device and the output module control microwave energy. According to the system, the temperature, the flow and the microwave power are accurately controlled, accurate regulation and control of body cavity hyperthermia perfusion treatment are achieved, and the treatment effect and safety are improved.

The invention discloses a traumatic patient body cavity rewarming method and device based on double-orifice precise temperature control and a storage medium. According to the method, temperature control lavage fluid is synchronously conveyed through double cavities, body temperature and pressure data are collected in real time, parameters are dynamically adjusted, and efficient rewarming is achieved. The device comprises a main machine, a double-cavity rewarming catheter and detachable consumables, the double-cavity catheter comprises a bladder lavage cavity and a stomach tube rewarming cavity and is connected with the main machine through a spiral connector, and the heat exchange efficiency is improved through an internal spiral heat conduction structure; the host integrates an intelligent temperature control system and a double-pump driving and pressure monitoring module, and supports a touch screen operation and wound first-aid mode. The system may store and synchronize data to an external medical system. The scheme solves the problems of low rewarming efficiency, temperature control difference, complex operation and the like in the prior art, and is suitable for low-body-temperature treatment of traumatic patients.

A device for removing stones and foreign bodies from a human cavity including a straight sheath with one or more side branches; said straight sheath including a proximal tube and distal tube with respect to the operator who is holding the device; one or more side branches arise from the proximal tube and said branch or branches share a common lumen with the proximal and distal tubes; at the least, one of the side branches contains a pressure vent in the form of an opening that extends through the wall of the side branch and is sealed to form an airtight channel that extends toward a sealing element assembly. One or more openings at the end of this airtight channel serve as a transposed pressure regulating mechanism and are located and accessible on or near the surface of said sealing element assembly; an operator can regulate the aspiration pressure by covering or uncovering the vent or a portion of the vent.

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.

A hydrogel for treating body cavity injury is derived from a chitosan derivative obtained by bonding aldonic acid to an amino group of a glucosamine unit of chitosan by dehydration condensation. The hydrogel for treating the body cavity injury is granular, can be injected into a body cavity by utilizing an injector, and is used for treating the wound of the body cavity. A body cavity injury treatment kit is provided with a syringe, a tube connected to the syringe, and a granular body cavity injury treatment hydrogel filled into the syringe, the body cavity injury treatment hydrogel being derived from a chitosan derivative, the chitosan derivative is obtained by bonding aldonic acid to an amino group of a glucosamine unit of chitosan through dehydration condensation.

The invention relates to the technical field of medical instruments, in particular to a ureter leading-in sheath with real-time pressure monitoring capability, which comprises a sheath tube and a sheath seat arranged at the near end of the sheath tube, the sheath seat is provided with a perfusion joint and a suction joint, and the sheath tube defines a channel for an instrument to pass through; the resistance detection piece is arranged on the sheath and is used for detecting the axial propelling resistance borne by the sheath tube when the sheath tube enters the human body cavity in real time and generating a resistance signal; the torque detection piece is arranged on the sheath and used for detecting the circumferential torque borne by the sheath tube when the sheath tube rotates in the human body cavity in real time and generating a torque signal; by arranging the detection system composed of the resistance detection piece, the torque detection piece and the pressure detection piece, objective operation guidance and over-limit early warning can be provided through real-time and quantitative force and pressure monitoring, and the risk of ureteral injury and renal pelvis high pressure related complications is greatly reduced.

The surgical robotic access system provides access for robotic instruments and / or actuators including the introduction, operation and withdrawal of such robotic manipulators into a body cavity without permitting the escape of pressurized fluid or gas. The surgical robotic access system also provides a multi-faceted range of movement without touching or effecting pressure on the opening in the patient's body cavity.

Disclosed are a method for creating a surgical training model, a surgical training model apparatus, a bone model, an article that emulates tissue of an animal musculoskeletal system, an article that emulates animal fat tissue, and an article that emulates animal skin tissue. One version of the method comprises placing a spinal vertebrae model in a cavity model that emulates an animal body cavity; forming a first layer on top of the vertebrae model, wherein the first layer emulates an animal muscle tissue; placing a second layer over the first layer, wherein the second layer emulates an animal fat tissue; and placing a third layer over the second layer, wherein the third layer emulates an animal skin tissue. The spinal vertebrae model can be 3D printed from a thermoplastic polymer and infiltrated with a foam into an interior space of the 3D printed spinal vertebrae model.

The invention discloses a gall bladder calculus removing catheter system and method, and relates to the technical field of interventional medical instruments, physical isolation is formed between an isolation cavity and a gall bladder cavity through a flexible structure, calculus is discharged after being crushed and dissolved in the isolation cavity, all mechanical operations are limited to be completed in the isolation cavity, and the gall bladder calculus removing catheter system and method cannot make contact with gall bladder mucosa. The first fluid cavity serves as a high-flow-speed suction cavity, and the first side hole is located in the center area of the isolation cavity. The second fluid cavity serves as a slow injection cavity, the second side hole is located in the edge of the isolation cavity, vortex liquid flow pointing to the center of the isolation cavity is formed in the isolation cavity through cooperation of the second fluid cavity and the second side hole, the vortex liquid flow promotes stones and particulate matter to gather towards the center of the first wrapping structure, and the fishing efficiency is improved.

A negative pressure sealing drainage wound protecting device for a body cavity wound comprises a drainage tube (1) and is characterized in that one end of the drainage tube (1) is inserted into a central blind hole of a porous sponge (3), the drainage tube (1) is arranged in the length direction of the porous sponge (3), and the other end of the drainage tube (1) extends out of the porous sponge (3). A plurality of drainage holes (4) are formed in the side wall, located in the porous sponge (3), of the drainage tube (1), and the distance from the drainage holes (4) in the top of the drainage tube (1) in the porous sponge (3) to the top of the porous sponge (3) is 1 / 3-1 / 2 of the length of the porous sponge (3). In the wound healing stage, tight sealing can still be achieved after multiple times of adjustment, the situation that sealing is not tight is avoided, and the negative pressure sealing drainage effect is good.

The invention discloses an expanded steep pulse ablation electrode, relates to the technical field of ablation electrodes, and aims to solve the problems that when an existing ablation electrode is used under a human body cavity, an electrode net basket support is generally adopted to open a narrow part of the cavity, but different human body cavities are different in inner diameter size, and the ablation electrode is inconvenient to use. In order to solve the problems that an existing electrode mesh basket support cannot adapt to cavities of different sizes due to the fact that the opening range of the existing electrode mesh basket support is a fixed range, and meanwhile the electrode mesh basket support is inconvenient to install on an electrode during installation, the electrode mesh basket support comprises a right shell and a left shell, the right shell is buckled with the left shell, and a push button is installed between the upper portion of the right shell and the upper portion of the left shell; a sheath tube extends into a middle hole in one side of the right shell and a middle hole in one side of the left shell, a liquid injection tube and a cable assembly extend into an upper middle hole and a lower middle hole in the other side of the right shell and the other side of the left shell respectively, fixing bases are installed in the right shell and the left shell, and a reinforcing tube is placed in a middle hole of the push button.

A fracture plating system may be configured to stabilize a fracture of a bone. The bone may include an interior surface facing toward an interior body cavity of the patient, and an exterior surface facing away from the interior body cavity. The fracture plating system may include a plate formed of a biocompatible polymer and configured to span the fracture. The plate may include an exterior plate surface configured to abut the interior surface, an interior plate surface opposite the exterior plate surface, and a slot passing between the exterior plate surface and the interior plate surface. The fracture plating system may further include a tether configured to apply a force to the plate to draw the exterior plate surface against the interior surface of the bone, and a bracing member securable to the plate to restrict flexure of the plate parallel to a width of the slot.

A device for collecting tissue from a body cavity includes a hollow tubular body. The tubular body has a tubular wall extending between a proximal end and a distal end of the tubular body. The tubular wall surrounds a passage extending to the distal portion of the tubular body. The tubular body can be a non-bent shaft or a shaft having an articulated section that allows a portion of the tubular body to be articulated relative to the proximal portion. The distal portion includes a coring drill having a cutting tip. The cutting tip defines a first orifice, a second orifice opposite the first orifice, and a web extending between the first and second orifices. The web tapers toward a drill tip located at the distal end of the tubular body.