461 results about "Body cavity" patented technology

Disclosed is a needle-free applicator that is suitable for administering a solid, amorphous, mono-particulate powder composition into a body cavity of a human patient, which cavity includes a mucosal surface, wherein the applicator comprises:(i) an opaque reservoir comprising said powder composition;(ii) an optional actuating means for generating a force upon actuation of the device by a user; and(iii)a dispensing means through which, following said actuation, said powder composition may be dispensed,wherein said powder composition comprises a pharmacologically-effective dosage amount of an adrenergic receptor modulator, or a pharmaceutically-acceptable salt thereof, encapsulated in an amorphous state along with a pharmaceutically-acceptable carrier material; andwhich powder composition is less than about 4% chemically degraded after storage for:(a) at least about 3 months at 40° C. and 75% relative humidity; and / or(b) at least about 18 months at below about 30° C.; and / or(c) at least about 18 hours at above about 1 million lux of UV light.

The invention relates to the technical field of medical robots, in particular to an alimentary canal catheterization robot navigation method and system based on multi-modal information fusion. The method comprises the following steps: carrying out real-time data acquisition on a human body cavity by utilizing a multi-mode sensor; the collected multi-modal data is preprocessed; synthesizing multi-modal data, extracting cavity environment characteristics, and establishing a three-dimensional model of a human body cavity in real time; human body cavity environment characteristics are analyzed, and local and global paths are generated; outputting the path to a catheterization robot controller, driving a catheterization robot, monitoring a navigation abnormal state in real time, and collecting and storing the path, the sensor state and operation data in the navigation process; the system comprises a data acquisition module, a data processing module, a three-dimensional model establishment module, a path generation module and a data monitoring module. Through the mode, the environment is comprehensively perceived, the navigation precision and the real-time performance are improved, and the high-precision operation requirement in a clinical complex environment is met.

The invention discloses a balloon catheter for releasing medicine in a human body cavity. The balloon catheter comprises an outer balloon and an inner balloon located in the outer balloon. The diameter of two ends of the outer balloon is larger than that of the middle; a plurality of rows of semi-through holes are formed in the outer balloon, each row of inner semi-through holes are formed in the longitudinal direction of the outer balloon, and a cutting mark is arranged between every two adjacent semi-through holes in each row; and the inner balloon is a three-stage expansion balloon. The double-layer balloon structure is adopted, in the process that the internal pressure of the inner balloon is gradually increased to push the outer balloon to be gradually expanded, two treatment means of medicine spraying and dilation are executed at the same time, and therefore the treatment effectiveness is improved; the use efficiency of the medicine can be ensured while the medicine can accurately act on the focus; compared with an existing treatment means, the application is wider in application range and non-invasive in treatment, foreign matter does not need to be implanted, an instrument does not need to enter a human body cavity for multiple times, and discomfort of a patient during treatment can be greatly reduced.

Today's suppositories are typically packaged individually for digital administration into the anal canal of a patient. A suppository applicator described herein, which works with individually packaged suppositories, can alternatively be shipped in a prepackaged operational arrangement with a suppository to enable the patient to administer the suppository through use of the applicator in a single operation after opening a hygienic wrapper containing the applicator-suppository combination. A method for manufacturing a suppository includes manufacturing the suppository in the presence of and in contact with an element configured to be used to insert the suppository into a body cavity. The method may include using the element to define a shape of the suppository during the manufacturing. The resulting applicator-suppository combination is more hygienic and easier to handle than the separate applicator and suppository and provides more efficiency from time of opening the packaging to time of commencing administration of the suppository.

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.

The disclosure relates to a hemostatic device (1) comprising at least one chamber (2) delimited by a membrane (4), each chamber (2) being configured to be fluidically connected to a vacuum source, the membrane (4) being configured to be placed so as to face, at least partially, a bleeding area of a body cavity, the membrane (4) comprising a plurality of holes (6) leading into the chamber (2) and configured to induce a negative pressure in the body cavity when a negative pressure is applied in the chamber (2) by the vacuum source, the induced negative pressure being configured so that the walls of the cavity are attracted to the membrane (4), wherein the membrane (4) has at least two opposite faces (4a, 4b), each face comprising a plurality of folds (8) extending in at least one first direction.

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.

The invention relates to the technical field of surgical instruments, and discloses a variable-rigidity flexible surgical operation arm which comprises a supporting body and a joint part, and the surgical arm body is connected with the joint part; a force sensor is arranged at the joint of the supporting body and the joint part, an ultrasonic sensor, a camera module and a lighting assembly are arranged at the end, away from the joint, of the joint part, and an angle sensor is arranged near the axis position of the joint part. The supporting main body comprises a DEA sensing driver and an SMP variable stiffness layer, and shape sensing sensors are arranged near the SMP variable stiffness layer and the DEA sensing driver; a working channel penetrating through the supporting body is formed in the position, located on the end face of the ultrasonic sensor, of the joint part. The joint part can deform through the DEA driver and can be suitable for the human body cavity environment, precise movement in a cavity is achieved in combination with a series of sensors, and an operation is conducted on a focus through the execution tail end of the operation operation arm; the invention further provides an operation method suitable for the operation arm.

In some embodiments, apparatus and related methods relate to a skeletal body adjustment device (SBAD) with telescopically connected bodies. For example, the SBAD may include control members configured to induce relative translation between the bodies. In some embodiments, apparatus and related methods relate to a body cavity conforming shunt. As an illustrative example, the shunt may, for example, include selectively deployable contact members. The contact members may, by way of example and not limitation, be configured as anchors, sensors, and / or therapy delivery devices. In some embodiments, apparatus and related methods relate to a multi-layer bladder (MLB) selectively deployable in a body cavity. The MLB may, for example, include sensing and / or delivery components. The MLB may, for example, include control member(s) and / or pressure control(s) configured to control shape, size, and / or pressure of the MLB. In some embodiments, apparatus and related methods relate to a dynamically controlled cerebrospinal fluid (CSF) shunt system.

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.

There is provided herein a tip section of a multi-viewing element endoscope, the tip section comprising: two or more side-pointing viewing elements positioned at or in proximity to a distal end of said tip section, wherein each of said two or more side-pointing viewing elements having a discrete illuminator associated therewith, wherein the field of view provided by the two or more side-pointing viewing elements covers a front and side views; a working channel configured for insertion of a surgical tool; and a pathway fluid injector for inflating and / or cleaning a body cavity into which the endoscope is inserted.

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.

The invention provides a bipolar ablation device passing through a human body cavity and an operation method, and the device mainly comprises a needle core which is provided with a first ablation electrode; the needle tube is provided with a second ablation electrode; the needle core is arranged in the needle tube in a penetrating mode, the needle core and the needle tube can move synchronously, the needle core and the needle tube can move relatively, and the first ablation electrode can extend out of or be contained in the needle tube; when the first ablation electrode extends out of the needle tube, an adjustable preset distance is arranged between the first ablation electrode and the second ablation electrode, a puncture tip is arranged at the far end of the needle tube, and a smooth guide structure is arranged at the far end of the needle core, or the smooth guide structure is arranged at the far end of the needle tube, and the puncture tip is arranged at the far end of the needle core. By the adoption of the structure, the preset interval is adjusted to achieve adjustment of the ablation area so as to achieve coverage of a focus. Meanwhile, the smooth guide structure and the puncture tip are arranged on the needle core and the needle tube respectively, so that the puncture ablation capacity is achieved, and meanwhile the situation that in the conveying process, the puncture tip damages the blood vessels of the human body can be avoided.

Components, systems and kits for capturing and / or removing tissue from mammalian bodies may include a tissue container that may be introduced into a body cavity within which a tissue specimen may be placed, cut and removed from the body cavity. Methods of using these components, systems and kits are also described.

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

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.

A tweezer device is disclosed herein. The tweezer device includes a pair of angled tips, the pair of angled tips sized and configured to fit within a body cavity of a person or animal to remove a material or substance from the body cavity of the person or animal; and a tweezer body, the tweezer body having a first end that is distal from the pair of angled tips and a second end that is proximal to the pair of angled tips, the tweezer body including a shaft portion connected to a pair of angled connector portions, each of the angled connector portions being coupled to a respective one of the angled tips.

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.

A body cavity blocking device and an operating handle thereof. The operating handle comprises a fixed tube (100) and a traction tube (500), wherein the distal end of the fixed tube (100) is configured to connect to a guide wire sleeve (620) of a body cavity blocking device; the proximal end of the traction tube (500) is configured to fix a guide wire (610) of the body cavity blocking device; a cavity in the traction tube (500) and a cavity in the fixed tube (100) are both configured to accommodate and restrain the guide wire (610); the traction tube (500) is slidably connected to the fixed tube (100) in a sleeved manner; and when the traction tube (500) slides relative to the fixed tube (100), the traction tube (500) can pull or push the guide wire (610). When the distal end of the traction tube (500) is moved close to the distal end of the fixed tube (100) so as to axially unfold a blocking member (700), the traction tube (500) pushes the guide wire (610) located in its own cavity, causing the guide wire (610), which has entered the fixed tube (100) from the guide wire sleeve (620), to return into the guide wire sleeve (620), and during this process, both the inner wall of the cavity in the traction tube (500) and the inner wall of the cavity in the fixed tube (100) can restrain and limit the guide wire (610), so as to prevent the guide wire (610) from bending, thus solving the problem of the blocking member (700) not being able to fully unfold.

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.