436results about "Urethroscopes" patented technology

The invention discloses a sealing structure, a negative pressure suction sheath and an endoscope assembly, and belongs to the technical field of medical instruments. The sealing structure is used for the negative pressure suction sheath and comprises a first cover body detachably connected with the near end of a sheath base of the negative pressure suction sheath, a first through hole is formed in the middle of the first cover body, and a first air hole is formed in the radial outer side of the first through hole; the second cover body is arranged on the outer side of the first cover body in a sleeving mode and detachably connected with a sheath base of the negative pressure suction sheath, a second through hole is formed in the middle of the second cover body, and a second air hole is formed in the radial outer side of the second through hole; the second cover body and the first cover body are in sliding fit, and the overlapping opening degree of the first air hole and the second air hole is adjusted through relative sliding; the second cover body axially limits the first cover body and provides support when the endoscope is inserted, so that the first cover body is prevented from collapsing. The sealing structure is used for the negative-pressure suction sheath, the branch switch is prevented from additionally occupying the operation space, and the operation safety is improved.

The utility model provides a guiding device and dilator for improving pressure measurement accuracy, the guiding device comprises a pressure measurement sheath, the pressure measurement sheath comprises a handle and a sheath tube, the size and shape of the sheath tube are suitable for entering a target area in a body through a body lumen, the sheath tube longitudinally extends from a near end to a far end, the sheath tube defines a first lumen suitable for entering of an external instrument, and the first lumen is communicated with the handle. A pressure measuring tube cavity longitudinally extending from the near end to the far end is formed in the tube wall of the sheath tube, a pressure measuring opening used for sensing the pressure of liquid in the body is formed in the far side of the pressure measuring tube cavity, and the dilator is arranged in the first tube cavity in a supporting and penetrating mode so that the pressure measuring sheath can enter the body conveniently. And the dilator is provided with a blocking part for limiting foreign matters from entering the pressure measuring tube cavity through the pressure measuring port.

The invention relates to the technical field of intelligent urethral surgical instruments, and particularly discloses a urethral dilation path planning system integrating visual SLAM and force perception, which synchronously acquires image data of the internal environment of the urethra and contact force data between the instrument and tissues through an image sensor and a force sensing unit integrated at the front end of the dilation instrument; constructing a three-dimensional environment model in the urethra by utilizing a visual SLAM technology, and positioning the position of an instrument in real time; the force data and the three-dimensional model are fused to generate a dynamic force distribution diagram, and a safe expansion path is planned based on the distribution diagram and the current position of the instrument; dynamically adjusting the advancing direction and the expansion force of the instrument through a closed-loop control system to enable the instrument to move along a planned path; meanwhile, path deviation and force abnormity are detected in real time through a monitoring mechanism, and model updating and path re-planning are triggered.

The invention relates to the technical field of medical instruments, and discloses a flexible ureteroscope sheath device and a pressure control method thereof.The flexible ureteroscope sheath device is characterized in that one end of a connector tube seat is connected with a sheath tube, the other end of the connector tube seat is provided with three connectors, the first connector is connected with a pressure relief device and a control device, the second connector is used for a flexible ureteroscope and perfusion, and the third connector is used for negative pressure suction; a central channel is arranged in the sheathing canal, and passage type pressure measuring sensors are axially and uniformly arranged around the channel; the control device comprises an adjusting key, a digital display, an indicating lamp and a buzzer, and is electrically connected with the pressure measuring sensor and the pressure relief device; the control device comprises an automatic pressure relief module which is used for collecting analog voltage signals and converting the analog voltage signals into pressure data values, and when a detection value reaches a set threshold value, the electric control pressure relief device automatically relieves pressure. According to the invention, real-time and continuous detection and control of the pressure in the cavity are realized.

The visual balloon type urethral dilation device comprises a urethral endoscope and a balloon dilator arranged in the urethral endoscope in a penetrating mode, and the urethral endoscope and the balloon dilator are matched with the urethra of the human body. The observation field of view of the urethra endoscope covers the dilation balloon of the balloon dilator, and visual dilation of the dilation balloon is achieved. The balloon dilator is provided with an independently-controlled fixing balloon, the fixing balloon and a balloon-shaped cavity in the urethra endoscope probe form a detachable fixing structure, the balloon dilator can penetrate through a middle shaft of the probe to move axially when fixing is removed, and the guiding function of the probe is achieved. The balloon dilator can be used in a disposable mode, and cross infection is prevented. And the probe is provided with a panoramic camera and a light supplementing lamp which are symmetrical, so that the visualization precision is improved. The urethra dilatation operation accuracy, safety and diagnosis and treatment efficiency are greatly improved from the aspects of high visualization, dilatation precision adjustment and the like.

The invention discloses an insertion part and an endoscope, and relates to the technical field of medical instruments. The insert includes a first tubular structure and a plurality of segments. The multiple sections are arranged on the first pipe structure at intervals in the extending direction of the first pipe structure, and every two adjacent sections can relatively rotate with the first pipe structure between the two adjacent sections as a support, so that the insertion part is bent. The first pipe structure sequentially penetrates through the sections, and the far end of the first pipe structure is communicated with the external space of the insertion part. The insertion part realizes the sharing of a rotating structure for bending the insertion part and a medium conveying channel. The compactness of each structure in the insertion part can be improved, and the size of the insertion part can be reduced.

Provided is a ureteral lithotripsy catheter, comprising a sheath (1). One end of the sheath (1) is fixedly connected to a vortex cavity (3), and the other end of the sheath (1) is connected to a bending section (9). The sheath (1) is provided with a pressure detection hole (8) and a pressure detection channel (10). The pressure detection hole (8) is in communication with the pressure detection channel (10). The other end of the pressure detection channel (10) is connected to a detachable pressure sensor. By means of arranging the detachable pressure sensor, the sensor body can be detached when not in use, facilitating storage. During use, the connection between the sensor body and the sensor chip is convenient, rapid, and reliable. The pressure sensor can monitor accurate and reliable data by means of the pressure detection channel, avoid high pressure in the minimally invasive cavity, and significantly improve the safety rate of surgery and the calculus removal efficiency.

To provide a suction and irrigation system for maintaining in situ pressure of an anatomical environment at an anatomical site under control during an endoscopic procedure.SOLUTION: Systems and methods for providing in situ pressure control in an anatomical environment during a procedure are disclosed. The exemplary irrigation and aspiration system includes a user input configured to receive from a user a desired pressure to be applied to the anatomical environment or a desired flow condition corresponding to the desired pressure. The system includes a pressure sensor for sensing pressure in or near an anatomical environment during a procedure, and a pressure sensor for sensing a pressure in the anatomical environment during the procedure, or a control module for adjusting one or more of an irrigation flow rate or an aspiration flow rate of at least one working channel of the medical device to maintain a desired flow condition in the working channel.SELECTED DRAWING: Figure 1

The invention disclosed in this document presents a novel direct in-scope suction system designed for the retrieval of calculus fragments within the body. This system comprises two key components: a calculus fragments retrieval device and a pump unit. The calculus fragments retrieval device features a body with a single working channel that includes both an irrigation port and a suction port, which are connected to respective irrigation and suction pumps via elastomer-based rubber tubes. This setup allows for the controlled infusion of saline solution into the body lumens during lithotripsy procedures, ensuring clear visibility and fragment clearance. The retrieval device includes a trigger lever connected to a pincher tab. When the operator presses the trigger lever, the suction port is opened by releasing the pinched suction tube, increasing pressure inside the body.

The present disclosure relates to systems and methods for driving medical instruments. Certain aspects relate to systems and techniques for driving medical instruments having an inner body and an outer body. In one aspect, a system includes a medical instrument including an outer body and an inner body configured to be driven through a lumen in the outer body. The system can also include a set of one or more instrument manipulators configured to control movement of the outer body and the inner body, and a set of one or more processors configured to: receive a change drive mode command; and change a drive mode of the medical instrument from a paired drive mode to an unpaired drive mode in response to receiving the change drive mode command.

A medical system (10) includes an insertion device (12) including a handle (22), an insertion portion (24) having at least one lumen, a port (38) fluidly coupled to the lumen, and a connection portion (18). The medical system also includes a medical device (14) including a handle (50), an insertion portion (52), and a connection portion (20) configured to be coupled to the connection portion of the insertion device. The connection portion of the medical device is configured to be coupled to the connection portion of the insertion device to form an electronic and physical connection between the insertion device and the medical device.

A delivery device for positioning an implantable expander to a target location in a prostatic urethra. An implantable biocompatible expander suitable for implantation into a urinary duct is resiliently deformable from a relaxed radially expanded orientation to a radially contracted orientation suitable for transluminal delivery through the urinary duct. The expander may be configured to exert an outward radial force against a wall of the urinary duct when in-situ within the urinary duct. In particular, the expander is suitable for treatment of benign prostatic hyperplasia and configured for implantation into the prostatic urethra between, and substantially spanning the prostatic urethra between, the bladder neck and external sphincter.

The application discloses a double-channel nephropyeloscope, which comprises a first shell and a second shell, the first shell and the second shell are buckled to form a containing cavity, a base seat is arranged on the top of the cavity of the first shell, an instrument socket is arranged on the base seat, an instrument inlet is arranged on the end of the instrument socket away from the base seat, a perfusion recess is arranged on the base seat, an outer pipe joint is arranged on the front end of the perfusion recess, an inner pipe clamping sleeve is arranged on the rear end of the perfusion recess, a negative pressure four-way joint is arranged on the side of the inner pipe clamping sleeve away from the outer pipe joint, an insertion pipe and an instrument channel pipe are arranged on the negative pressure four-way joint and are connected with the perfusion recess, the instrument channel pipe is arranged close to the inner pipe clamping sleeve, the insertion pipe is arranged on the side of the negative pressure four-way joint away from the instrument channel pipe, and the insertion pipe, the instrument channel pipe, the inner pipe clamping sleeve, the perfusion recess and the outer pipe joint are coaxially and throughly connected. The application provides a double-channel nephropyeloscope which can realize negative pressure suction, perfusion and pressure measurement simultaneously.

The utility model provides a ureter sheath convenient for adjusting rotation of a pipeline. The ureter sheath comprises a Y-shaped main body, a guide sheath tube, a guide sheath seat, an expander seat and an expander tube body, the dilator tube body is connected with the dilator seat, and the dilator seat is embedded into the Y-shaped main body; the guide sheath tube and the guide sheath seat are integrally formed, the Y-shaped main body is provided with a sealing gasket, and the guide sheath seat is clamped with the Y-shaped main body through the sealing gasket; and when the Y-shaped main body is rotated, the Y-shaped main body drives the guide sheath seat to rotate at the same time through the sealing gasket. By arranging the sealing gasket, the guiding sheath tube can be driven to rotate by rotating the Y-shaped main body, so that the guiding sheath base is moved or operation gestures are replaced, and the problems of twisting, winding and the like of a negative pressure drainage bottle connecting tube do not need to be considered.

To provide a bridge that allows all working instruments and optics to be inserted into and removed from handheld surgical instruments in a simple and intuitive manner. [Solution] A bridge (12) for a handheld surgical instrument (10) has a body (20) in which a channel-shaped bore (19) for an optical device and at least one working channel (26, 28) for receiving at least one working instrument are arranged. A plane (24) can be positioned to pass through the longitudinal axis (18) and divide the space around the bridge (12) into an upper half space (25) and a lower half space (26). At least one working channel (26, 28) extends from the body (20) toward the upper half space (25).

A robotic surgical system comprises a horizontal platform to support a patient, a rail positioned about the horizontal platform, a carriage operatively coupled to and configured to translate along the rail, and a robotic arm operatively coupled to the carriage and translated about the patient by the rail. The robotic arm is configured to operate on the patient in a variety of positions provided by the translating carriage. The rail provides a rounded path for the carriage, such as a U-shaped path. The U-shaped path may comprise a first leg and a second leg, the first leg longer than the second leg. Furthermore, the system may comprise a plurality of carriages operatively coupled to the rail and a plurality of robotic arms. Also, the system may further comprise a central base which the horizontal platform can articulate relative to, such as by translating horizontally or vertically, rotating, or titling.

The disclosure provides a method for closed loop control in a urological operating room comprising: receiving, at a single control device, real-time information from a plurality of therapy consoles provisioned in an operating theater; determining whether the received information is outside a predetermined threshold range; automatically generating control signals based on a determination that the received information is outside the predetermined threshold range; sending the control signals to at least one therapy console of the plurality of therapy consoles to adjust an operational parameter of the at least one therapy console and mitigate a deviation from the predetermined threshold range; receiving real-time feedback information from the plurality of therapy consoles; iteratively updating the control signals based on the real-time feedback information; and sending the updated control signals to automatically adjust an operational parameter of the at least one therapy console and mitigate a remaining deviation from the predetermined threshold range.

To provide an improved steering mechanism for a medical instrument including an endoscope.SOLUTION: A steering assembly for a medical device may include a handle having a recess and first and second wire guides disposed within the recess. At least one of the first or second wire guides may be secured in the recess to prevent rotation of the first or second wire guide within the recess. The first and second wire segments may be configured to advance a sheath coupled to the steering assembly in first and second directions. The first wire segment may pass through a first gap between the first wire guide and the second wire guide. The second wire segment may pass through a second gap between the first wire guide and the second wire guide. Neither the first gap nor the second gap may occupy an overlapping space.SELECTED DRAWING: Figure 1B

An endoscope positioning system, comprising a support arm having a holder-end for holding an endoscope (0201) proximally of the endoscope (0201); the support arm extendible horizontally from a base to translate the distal end of the endoscope (0201) in horizontal plane comprising a y-axis; the support arm movable to translate the endoscope (0201) in a vertical direction comprising a z-axis orthogonal the y-axis and an x-axis orthogonal to the z and y axes; the support arm comprising a stop resisting rotational movements of the holder about the y-axis.

This invention relates to the field of medical device technology and discloses a ureteroscopic flexible sheath with pressure relief function, comprising: a connector tube seat, a sheath tube, a pressure relief module, a flexible endoscope irrigation connector, and a negative pressure connector. The connector tube seat is fitted over the sheath tube, and the interior of the connector tube seat communicates with the sheath tube. The flexible endoscope irrigation connector is fitted over the connector tube seat, and the interior of the connector tube seat communicates with the flexible endoscope irrigation connector. The flexible endoscope irrigation connector is used to connect the flexible endoscope and the irrigation system. The negative pressure connector is fitted over the connector tube seat, and the interior of the connector tube seat communicates with the negative pressure connector. The negative pressure connector is used to connect to a negative pressure suction system. The pressure relief module is fitted over the connector tube seat, and the interior of the connector tube seat communicates with the pressure relief module. The pressure relief module includes a control module and a pressure relief module. The control module is electrically connected to the irrigation system and the negative pressure suction system. The pressure relief module includes a pressure relief body and a valve body, and the valve body and the pressure relief body are rotatably connected. This invention ensures the pressure stability of the ureteroscopic flexible sheath.

An imaging system and methods are presented for determining a size of a viewed object through a monocular endoscope. The system includes an imaging device mounted on the endoscope, at least one light source disposed in a fixed position relative to the imaging device, and a processor configured to receive input from the imaging device and analyze at least one of shadow effect from the light source, structured lighting provided by the light source, multi-point illumination including the light source, time-of-flight involving light pulses from the light source, and lateral color aberrations from the light source to determine the size of the viewed object.

A device for deploying an implant in a patient’s body comprises an elongate delivery tube 36 with tube elements in concentric relation in radial outward succession. The tube has an inner element compr

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.

An insertion device 1 according to the present invention includes: an insertion part 2 which is inserted into a subject; a suction pipeline 26 which is inserted into the insertion part, has a tip forming a tip opening 25a of the insertion part, and has a base end connected to a suction device 42; and a fluid delivery pipeline 27 which branches from the suction pipeline and delivers, to the suction pipeline, a fluid delivered from a fluid delivery device 43 for delivering the fluid. The fluid delivery pipeline includes: a fluid delivery tube 27A connected to the fluid delivery device; and a reduced diameter part 33d which is arranged between the fluid delivery tube and the suction pipeline and has an inner diameter R2 smaller than an inner diameter R3 of the fluid delivery tube.

A medical instrument (30, 230) has a shaft (34) extending between a distal end (38) and a proximal end (40). A housing (36) is provided at the proximal end (40) of the shaft (34). At least one effector (60) is provided at the distal end (38) of the shaft (34). The instrument (30, 230) has at least one control element (72) for mechanically controlling the effector (60). The control element (72) extends at least partially through a guide tube (70) extending parallel to the shaft (34). The guide tube (70) is provided, at least partially along its longitudinal extent (104), with lateral recesses (100) through which the guide tube (70) is accessible to cleaning media. A method is used for manufacturing a guide tube (70) of a medical instrument (30, 230).

The utility model relates to a negative pressure suction sheath kit for a ureter. The negative pressure suction sheath kit comprises an outer sheath, a first inner core and a second inner core, the outer sheath is provided with a sheath tube and a connector tube connected to the rear end of the sheath tube, the sheath tube comprises a base tube section and a flexible tube section connected to the front end of the base tube section, a joint part is formed at the rear end of the connector tube, a negative pressure tube communicated with the operation channel is formed on the side portion of the connector tube, and a negative pressure adjusting structure is arranged on the negative pressure tube. The first inner core is provided with a first core tube made of a hard material, a rotary buckle joint used for fixing the flexible ureteroscope and a first involution buckle joint used for being buckled and fixed with the joint part of the outer sheath, and when the first inner core is inserted and fixed in the outer sheath, the front end of the flat head of the first core tube is flush with the front end of the flexible tube section. And the second inner core is provided with a second core tube and a second involution buckle joint used for being buckled and fixed with the joint part of the outer sheath, and when the second inner core is inserted and fixed in the outer sheath, the conical front end of the second core tube extends out of the front end of the flexible tube section. The external member is more convenient to operate, and the outer sheath can be placed in place.

The utility model relates to the field of endoscopes, in particular to a cystoscope. The utility model relates to a cystoscope, which comprises a main body shell and a cystoscope body, an arc-shaped sliding groove communicated with the inner cavity is formed in the surface of the main body shell; a through hole is formed in one end of the main body shell; a pipe hole is formed in the other end of the main body shell; the movable pipe is movably mounted in the inner cavity of the main body shell; one end of the first connecting pipe penetrates through the arc-shaped sliding groove and is communicated with the side face of the movable pipe. At least part of the second connecting pipe penetrates through the through hole, and the second connecting pipe is movably connected with one end of the movable pipe; one end of the outer pipe is fixedly or movably connected to the pipe hole; a camera and an illuminating lamp are mounted at the other end of the inner tube; the main body shell is provided with the display connector which is fixedly connected with the main body shell, and the display connector is connected with the camera and the illuminating lamp through wires.

An endoscopic deployment device includes a body mountable on an endoscopic device, a communication interface, and a motor. The body has a movable carrier couplable to an elongated end effector device. The effector device has an end effector shaft covered by an outer sheath and an end effector extending from a distal end of the shaft. The sheath is sized and shaped for insertion through a working channel of an endoscopic shaft of the endoscopic device. The body has a carrier channel sized for the carrier to slide therein. The end effecter is actuatable between open and closed positions by sliding the carrier in the carrier channel which in turn slides the sheath over the end effector shaft to uncover / cover the end effector. Rotation of a drive shaft of the motor is sliding the carrier in the carrier channel and actuating the end effector in response to a signal.

A system (100) for treating stress urinary incontinence in a patient includes a cystoscope (102) including a probe assembly (104) with a shaft (110) having a tip, an optical element (112) for capturing images, a display (118) or optical viewer for presenting the images; a rotatable sheath (400) with a shaft and at least one lumen configured to receive the cystoscope shaft, the sheath being rotatable about the cystoscope shaft: and a treatment needle (500) insertable through the sheath, the needle configured to inject a treatment agent into tissue, wherein the treatment agent comprises a non-animal stabilized hyaluronic acid.

Aspects of the present invention relate to a delivery device for locating an expandable implant for treating BPH within the prostatic urethra of a patient. The delivery device comprises an inner tube and an outer sleeve movable relative to the inner tube between a stored position and a deployed position. The outer sleeve surrounds the inner tube to define an annulus therebetween and the expandable implant is retained within the annulus when the outer sleeve is in the stored position.