278results about "Obstetrical instruments" patented technology

The utility model relates to a 45-degree oval thoracic cavity curettage spoon, which belongs to the technical field of medical supplies. The utility model discloses handle and harrow hook are connected as an organic whole, the harrow hook includes the harrow hook main part and the spatula who are connected, the spatula is arranged at the front end of the harrow hook main part, the handle is arranged at the rear end of the harrow hook main part, and the spatula adopts oval long groove type design. The utility model has simple and reasonable structure design, is safe and reliable, convenient to operate, can be applied to single-hole and multi-hole thoracoscope, and satisfies the use demand.

The utility model discloses a kind of endoscope surgery pasting film, it is related to medical supplies technical field, including first film, second film, water baffle and liquid collecting and guiding bag.The bottom surface of first film is used to paste on skin.Second film is located on the top surface of first film, and the accommodating cavity that is formed with upward protrusion between second film and first film.Water baffle is located in accommodating cavity, and the region formed by surrounding water baffle is used to accommodate liquid.Liquid collecting and guiding bag is connected with one side of second film, and the bag opening of liquid collecting and guiding bag is towards the opening of water baffle, so that the liquid in the region formed by surrounding water baffle can flow into liquid collecting and guiding bag.In the process of operation by doctor, water baffle can be resisted by second film with physiological saline and patient's blood and other liquids, that is, water baffle plays a blocking role to liquid, so that liquid in the process of operation all stays in the region formed by surrounding water baffle, avoid the pollution of the surrounding environment of operation area.

The application relates to the technical field of medical equipment, in particular to a multifunctional control device for assisting endoscope interventional treatment, which comprises a foot pedal device, a cluster control box, a holding device and a signal line, the cluster control box is connected with the foot pedal device through the signal line, a plurality of holding devices are connected with the cluster control box, a control panel center is installed in the cluster control box, the holding device comprises a fixed base, a sliding push base, a sliding block body, a half-ring supporting body and a buckle cover body, the sliding push base is slidingly installed on the fixed base, a module fixing assembly is arranged at the right end of the fixed base, L-shaped limiting edge plates are symmetrically arranged at the two sides of the sliding push base, the sliding block body is slidingly installed on the sliding push base through the limiting edge plates, the application can make a plurality of endoscope examination operation modules be concentrated together, manual control is completely replaced by foot pedal electric control through mode function switching, and the task amount of hands is reduced.

A uterine manipulator can include a shaft including a first end, a second end, and embodiments of a cutting head configured and arranged to receive a cervix. The cutting head can be configured and adapted to be used to cut the tissue joining the vaginal wall to the cervix and uterus to facilitate removal of the uterus in a minimally invasive manner.

The application relates to the field of medical instruments, and provides an appendix orifice supporting device for endoscopic retrograde appendix treatment, which comprises a support head, a support base, an unfolding piece, a first direction line, a second direction line and an opening and closing piece. A channel is arranged on a colonoscope. The support base is arranged around the front end of the colonoscope. The unfolding piece is arranged in at least three groups and is arranged in sequence along the support base. The opening and closing piece is located in the channel and is divided into a pushing end and a connecting end. The pushing end is located outside the colonoscope. When the pushing end is pushed, the connecting end moves along the channel and extends out of the channel. The support head is an elastic structure with expansion characteristics, and the bottom is connected with the connecting end and the unfolding piece. The application has the advantages of conveniently providing support for the appendix orifice and providing the effect of extending a sub-scope into the appendix cavity for shooting, exploration and treatment on the basis of facilitating colonoscope treatment.

The present application relates to a kind of arthroscopic approach water leakage prevention device, including the elastic cover with dome structure, the sealing valve being arranged in the center position of cover and negative pressure suction mechanism, sealing valve has the conical hollow structure extending to base direction and gradually reducing outer diameter, reverse compensation sealing is realized using joint cavity infusion liquid pressure, cover base edge is equipped with flexible sealing skirt, by the negative pressure interface connection external negative pressure source, so that cover and skin form negative pressure sealing space, the device can be connected in series by negative pressure interface multiple occluder, and equipped with detachable guide rod auxiliary coaxial positioning.The present application uses non-insertion type surface adsorption occlusion, effectively solve the space interference and tissue damage problem in multiple tunnel operation, realize the dynamic water stop of pressure self-adaption, with the advantages of simple operation, sealing stable, strong dissection adaptability, can significantly improve the operation visual clarity and maintain joint cavity pressure stability.

The invention relates to an adapter device 1 for connecting a surgical instrument 2 to a robotic system incompatible with the surgical instrument 2, comprising an adapter housing 3, a series of first transmission elements 5 for connecting to drives 14 of the robotic system on a side surface of the adapter housing 3, a series of second transmission elements 6 mechanically connected to the first transmission elements 5 for connecting to outputs 7 of the surgical instrument 2, and a mechanical transmission 8 arranged within the adapter housing 3 between at least one of the first transmission elements 5 and at least one of the second transmission elements 6. The invention further relates to a robotic system for surgery with an adapter device 1.

This application provides a negative pressure suction sheath and an endoscope assembly, relating to the field of medical device technology. An ultrasonic transducer is installed on the sheath seat or sheath tube of the negative pressure suction sheath. The output end of the ultrasonic transducer is connected to a metal layer inside the sheath tube. During surgery, if stone fragments cause blockage inside the sheath tube, ultrasonic waves can be generated by activating the ultrasonic transducer. These waves propagate to the metal layer of the sheath tube, where energy is transmitted to the metal layer in the form of mechanical vibration, causing the metal layer to vibrate mechanically, thereby facilitating the smooth removal of the blockage stone fragments.

The utility model discloses a kind of in-vivo blood clot cutting net structures, including the outer tube structure being cooperated with endoscope, the middle tube structure being arranged in outer tube structure and being cooperated with outer tube structure, and the inner core structure being arranged in middle tube structure;Wherein, the middle tube structure can be inserted or pulled out along outer tube structure, the inner core structure can be inserted or pulled out along middle tube structure.This application provides a kind of in-vivo blood clot cutting net structure, can be inserted into human body by the channel of endoscope, and can be deployed into adjustable angle's fishing net structure in human body, can effectively and quickly complete the fishing and cutting of large blood clot, and need not repeat extraction and insertion endoscope, that is, improve the cutting efficiency of large blood clot, also avoid the pain that repeat extraction and insertion endoscope brings to patient.

A single handheld medical device for performing endometrial curettage and / or HSG procedures is disclosed. [Solution] The device includes a body comprising a handle integrally connected to an arm having an articulated member at its distal end. The handle comprises means for storing and pumping fluid into the uterus and locating the articulated member within the uterus using ultrasound or X-rays. The arm further comprises a shielding device operable to slidably engage with the arm of the device, and the shield and arm are configured to cover and seal the external os of the cervix to prevent backflow during use. Optional display means are disclosed, which comprises an image screen that is mountably attached to the device and communicates with a scope positioned within the arm.

The application discloses a disposable planer body, which comprises an outer cutter tube, an inner cutter tube rotatably sleeved in the outer cutter tube and with a proximal end extending out of the outer cutter tube, a rotating clamping joint fixedly sleeved on the proximal end of the inner cutter tube and rotating together with the inner cutter tube, a handle shell sleeved on the rotating clamping joint, and a rotating adjusting structure rotatably sleeved on the handle shell and through which the proximal end of the inner cutter tube passes. The distal end of the outer cutter tube is provided with an outer cutter edge, and the distal end of the inner cutter tube is provided with an inner cutter edge. The rotating adjusting structure is assembled with the proximal end of the outer cutter tube and can drive the outer cutter tube to rotate around the inner cutter tube. The handle shell has a shell channel in the interior, through which a rotating driver outside is inserted into the handle shell from an end surface of the handle shell opposite to the rotating clamping joint and makes a rotating end of the rotating driver clamped with the rotating clamping joint. The disposable planer body has the advantages of convenient adjustment operation of the outer cutter edge orientation and one-time use. In addition, the application further discloses a planer.

This utility model discloses a endoscopic hook knife probe, relating to the field of medical device technology. The endoscopic hook knife probe includes a handle, a rod, and a blade. The two ends of the rod are connected to the handle and the blade, respectively. The connection between the blade and the rod can be configured with a bent structure at an angle between 90° and 120°. The blade includes: a cutting edge disposed on both the inner and outer sides of the bent structure, capable of cutting tissue at the surgical site; and a blunt structure located at the front end of the bent structure, shaped as a smooth hemisphere. This endoscopic hook knife probe can be used in combination with endoscopes and other instruments to perform minimally invasive anterior cervical fusion surgery, filling a technological gap in existing domestic surgical techniques. The endoscopic hook knife probe proposed in this application effectively meets the clinical needs for minimally invasive, visualized, safe, and efficient procedures, significantly improving the ease of operation and surgical efficiency.

The utility model relates to a novel uterus holder relates to medical equipment technical field for solving the problem that the internal tissue of uterus in prior art is extremely easy to fall into the gap between two adjacent uterus umbrella long bones, this not only can influence the definition of operation visual field, still can cause certain interference to the precision of operation operation, including: uterus holder body, uterus umbrella subassembly and storage spare, the storage spare installs on the uterus holder body, the uterus umbrella subassembly includes the hollow umbrella stem, umbrella face and multiple umbrella bones, one end of umbrella stem removes setting in the storage spare, the storage spare is used for accomodating the uterus umbrella subassembly, the other end of each umbrella bone rotates and installs in the umbrella stem, the umbrella face covers on the umbrella bone, each umbrella bone with the umbrella stem all is provided with umbrella bone angle adjusting spare, the rotation included angle between umbrella bone and the umbrella stem is arranged 0~90 DEG.

The invention relates to a shaft instrument (10) for laparoscopic and / or endoscopic procedures, comprising a proximal shaft section (28) having a proximal shaft section longitudinal axis, and a distal shaft section (30) having a distal shaft section longitudinal axis and having an applicator (20) at its distal end, wherein the two shaft sections are connected to each other in the region of a connecting joint (32) and are rotatable relative to each other, wherein at least one of the end faces of the two shaft sections facing the connecting joint is oriented at an angle deviating from 90° relative to the respective shaft section longitudinal axis, and wherein an angle between the two shaft section longitudinal axes is variable, and wherein the shaft instrument comprises at least one transmission device.which is displaceable along or parallel to an actuating axis by one actuating stroke and is coupled at a distal end to the applicator of the shaft instrument, wherein the transmission device transmits axial forces along the actuating axis and torques around the actuating axis, wherein the applicator is rotatable around the distal longitudinal axis of the shaft section and the transmission device is rotationally fixed to the applicator.

The application provides a lung segment bronchus catheter, which comprises a catheter tail end ventilation and suction interface, a cuff inflation device, an outer tube, an inner tube, a front end cuff and a guide end formed by the inner tube; the cuff is annularly arranged on the outer surface of the catheter head, and is in the form of a ring ball wrapped around the inner tube in the inflated state; the cuff inflation interface and the cuff inflation conduit are communicated between the gap between the outer tube and the inner tube at the catheter tail and lead to the cuff; the catheter ventilation and suction interface is communicated with the inner tube and the guide end formed by the inner tube, and a guide wire is arranged in the catheter ventilation and suction interface to form a straight lumen. The catheter can enter the target lung segment or sub-lung segment bronchus through the operation channel of the bronchoscope, the inflated cuff seals the airway cavity around the lung segment bronchus catheter cavity, then the guide wire is pulled out from the lung segment bronchus catheter cavity, the target lung segment or sub-lung segment is inflated through the catheter ventilation and suction interface, so that the anatomical range of the target lung segment or sub-lung segment after ventilation is revealed, the technical problem that a thoracic surgeon cannot accurately identify the anatomical range of the target lung segment in the operation is effectively solved, and the thoracic surgery anatomical partial lobectomy operation is facilitated.

An adjustment device for positioning a uterine manipulator includes a support component that is movable along an arcuate path defined by the adjustment device and an adjustment unit. The adjustment unit includes a base component that is secured to the support component and a rotational element that is secured to the base component and to the uterine manipulator such that the rotational element and the uterine manipulator secured thereto are movable along the arcuate path and rotatable with respect to the support component. A positioning system includes the adjustment device and a positioning arm that supports the adjustment device for positioning a uterine manipulator.

The invention relates to a locking mechanism for locking a mobile element (160) with a base element (140), wherein the mobile element (160) is guided and movable relative to the base element (140), comprising - a locking pin (162) fixed to the mobile element (160) and oriented transversely to the path of movement and - a labyrinth body (22) pivotably mounted on the base element (140) with a recirculating body (223) which can be slid around by the locking pin (162) and which has sliding surfaces extending parallel to the locking pin (162), including a first sliding surface (223-1) and a second sliding surface (223-2), which are at an acute angle to each other facing the mobile element (160) and are connected at their ends away from the acute angle by a concave third sliding surface (223-3), wherein the locking pin (162) and the labyrinth body (22) are designed to interact in such a way that after initial actuation of the mobile element (160) its return movement is blocked and after further actuation it is allowed again. The invention is characterized by two springs (24, 26) acting antagonistically on the labyrinth body (22), whose opposing torques hold the labyrinth body (22) in a predetermined initial position when it is not interacting with the locking pin (162).

The application provides an endoscope and an endoscope surgery system, and relates to the endoscope equipment field.The endoscope comprises a catheter assembly and a cutting wire assembly.The catheter assembly comprises an insertion tube, the insertion tube has at least two parallel arranged lumen, the at least two parallel arranged lumen comprises an instrument lumen and at least one cutting wire lumen, the tube wall of each cutting wire lumen is provided with a side opening at the part of the distal end of the lumen wall of the insertion tube, the side opening penetrates to the outer wall of the insertion tube, and the side opening is arranged to extend to the distal end.The cutting wire assembly comprises at least one cutting wire, the cutting wire is arranged in the at least one cutting wire lumen, the distal end of the cutting wire is connected with the distal end of the insertion tube, and the part of the cutting wire corresponding to the side opening is a cutting section.The application can relieve the situation that special instruments are frequently replaced in the surgery process, improve the surgery efficiency, reduce the number of used instruments, and is lower in cost.

Aspects of the present disclosure include an inflatable balloon or other expandable element to articulate a working end of a tissue ablation probe in tissue ablation systems, devices, and methods.

This invention relates to a magnetic stone retrieval basket handle, belonging to the field of medical device technology. This magnetic stone retrieval basket handle achieves axial movement and circumferential rotation of the basket's core wires through a non-contact transmission method using magnetic coupling between an outer and inner magnet. Combined with the guiding effect of a steel tube, it ensures the smoothness and precision of the basket's opening, tightening, and rotation operations, avoiding the jamming and loosening problems of traditional mechanical transmission. It simplifies the handle's transmission structure, reduces mechanical wear, and extends the handle's service life. Magnetic transmission eliminates the need for threads, drill holes, or other structures on internal transmission components, facilitating cleaning and disinfection, reducing the risk of infection, and improving the stability and safety of intraoperative stone retrieval operations.

The application relates to a handle of a surgical instrument and an anastomat, which comprises a mounting shell, a movable handle, a rack slider and a pawl. The mounting shell is formed with a fixed handle part; the movable handle is rotatably connected to the mounting shell and is arranged at least partially inside the mounting shell; the rack slider is slidably arranged in the mounting shell, the proximal end of the rack slider is configured with a plurality of spaced teeth, and the distal end of the rack slider is configured with a limiting structure; the pawl is rotatably connected to one end of the movable handle arranged in the mounting shell, and the pawl is selectively connected with the limiting structure or the teeth; when the pawl is connected with the limiting structure, the movable handle can drive the rack slider to reciprocate through the pawl; when the pawl is connected with the teeth, the movable handle can drive the rack slider to make one-way movement to the distal end through the pawl. The handle can realize the closing and opening of the jaws of the anastomat in the unfired mode and the switching between the unfired mode and the fired mode by changing the connection position of the pawl and the rack slider.

This invention relates to the field of medical auxiliary devices, specifically to a visual endoscopic minimally invasive surgical aid device, comprising a metal cannula and a transparent inner tube. The transparent inner tube slides within the metal cannula. The metal cannula contains a sealing mechanism for sealing the transparent inner tube and a clamping mechanism for applying clamping force to the transparent inner tube. The sealing and clamping mechanisms coordinate with the operation of the transparent inner tube, enabling axial displacement of the transparent inner tube to trigger synchronous adjustment of the sealing and clamping mechanisms, achieving sealing and clamping fixation. This invention combines the axial sliding operation of the transparent inner tube with the synchronous triggering of sealing and clamping functions, achieving a linkage design where operation equals sealing and movement equals locking; it simplifies surgical procedures and improves surgical efficiency.

A medical instrument (10) comprises a first component (33) designed and configured to transmit at least either a force or a torque from a proximal end region (14) to a distal end region (12) of the medical instrument (10) and which is electrically conductive, a second component (20), a connection point (61) that mechanically connects the first component (33) and the second component (20), and an electrical contacting device (45; 46) for contacting the first component (33) and for introducing an electric current to transmit electrical power to the first component (33). The first component (33) is designed and configured to conduct the electric current to transmit electrical power and to heat the connection point (61) to release the mechanical connection between the first component (33) and the second component (20).

The application relates to the technical field of medical devices, and discloses an amniotic sac pushing-up device used in cervical cerclage, which comprises a main shaft, a visual camera arranged at the front end of the main shaft, a contact film, a movable ring slidably sleeved outside the main shaft, an operating rod connected with the movable ring and used for driving the movable ring to slide along the axial direction of the main shaft, and a plurality of lifting skeletons, one end of each of the plurality of lifting skeletons is rotationally connected with the outer periphery of the front end of the main shaft, and the other end of each of the plurality of lifting skeletons is connected with the inner surface of the contact film. The visual camera is arranged at the front end of the main shaft and is used for acquiring real-time images in the narrow operation field of the vagina and the cervical canal, compared with the traditional catheter, the problem that the insertion depth cannot be quantified due to blind exploration is solved, the operator can intuitively confirm the specific positions of the internal orifice of the cervix and the amniotic sac, and the risks of accidental touch and rupture of the fetal membrane caused by blind exploration are effectively avoided.