294 results about "Less invasive surgery" patented technology

Described here are systems, devices, and methods for providing remote manipulation or traction to tissue using one or more graspers, delivery devices, and magnetic control assemblies. The graspers may be configured for insertion into the patient during a minimally-invasive procedure, such as a laparoscopic operation. The graspers may be configured to releasably connect to tissue. In some embodiments, the grasper may comprise a clip, a clamp, a suction device, a coil, or the like, and may be configured to connect to any suitable tissue. Delivery devices may be configured to releasably engage a grasper to deliver the grasper, remove it from the patient, or reposition it. The delivery devices may additionally be configured to actuate the grasper to attach it to tissue and / or detach it from tissue. The magnetic control elements may be configured to be positioned externally of the body to move, reposition, and / or hold the grasper.

The present invention relates to an ophthalmic knife and methods of its use for treatment of various conditions including eye diseases, such as glaucoma, using minimally invasive surgical techniques. The device is configured for cutting the tissues within the eye, for example, a trabecular meshwork (TM).

The invention relates to the technical field of medical instruments, in particular to a tool and tong head structure with the head capable of being installed in a body of a minimally invasive surgical instrument. The invention provides a rod assembly and a forceps head for in-vivo installation of an instrument head, comprising an outer rod assembly, an inner rod assembly, a base assembly, a sleeve assembly and a forceps head assembly, the sleeve assembly comprising a sleeve, the base assembly comprising a first base and a base pin mounted on the first base, the sleeve assembly is installed on the first base through a base pin, and the sleeve assembly can rotate along the base pin under the push-pull movement in the axial direction of the inner rod assembly, that is, the axis of the sleeve assembly and the axis of the outer rod assembly form an included angle or are parallel.

The invention relates to the technical field of endoscopic minimally invasive surgical instruments, in particular to a steerable suction, flushing and hemostasis electrocoagulation hook which comprises a main body assembly, a suction and flushing assembly, a suction and flushing assembly and a hemostasis assembly, and the main body assembly comprises a handle, a disassembly button and an adjusting part, the electrocoagulation hook assembly is arranged at the end of the handle and comprises a connector and an electrocoagulation hook arranged at the end of the connector, and a connecting channel is formed in the end of the connector; through the design of the rotating head and the adjusting component, all-directional operation of the electrocoagulation hooking degree is achieved, the flexibility and accuracy of an operation are greatly improved, damage to an operation area is reduced, a suction channel and a washing channel are integrated in the handle, the functions can be rapidly switched according to needs, and the operation is convenient. According to the surgical instrument, blood and exudates of a surgical site are effectively removed, the visual field is kept clear, the infection risk is reduced, in addition, the modular design and a locking rod mechanism ensure convenient replacement and maintenance of equipment, meanwhile, accidental movement or falling-off in a non-working state is prevented, and the surgical safety is improved.

The utility model relates to the medical field, and discloses a pair of clamping circular forceps made of auricular cartilage and cartilage membrane composites, which comprises a rod A (1) and a rod B (2), the inner side of the top end of the rod A (1) is flatly welded with the inner side of the top end of the rod B (2), a rotating module (3) is connected to one side of the center of the lower end face of the rod B (2), and a bottom plate (5) is connected to one side of the center of the lower end face of the rod A (1). A plurality of concentric circles (4) are engraved in the center of the upper end face of the bottom plate (5); an obtuse angle of 130-140 degrees is formed between the rotating module (3) and the rod B (2), and an obtuse angle of 130-140 degrees is also formed between the bottom plate (5) and the rod A (1); when the rod A (1) and the rod B (2) are closed, the rotating module (3) is just arranged on the upper side of the bottom plate (5) in parallel; the utility model discloses meet the requirement of otologic surgery better clamping cartilage and chondromater compound, guarantee the safety and the stability of surgery, be favorable for reducing otologic graft manufacturing difficulty, be favorable for promoting the development of otologic endoscope minimally invasive surgery, save the surgery time, improve the surgery efficiency.

The utility model relates to the technical field of medical apparatus and instruments, in particular to an arthroscope anterior cruciate ligament stump measuring instrument which comprises an arthroscope connecting block, an arthroscope tube is installed on one side of the arthroscope connecting block, a sliding cavity is formed in the arthroscope tube, a reset spring rope is installed in the sliding cavity, a piston pad is installed in the sliding cavity, and the piston pad is connected with the arthroscope connecting block. One end of the reset spring rope is connected with one side of a piston pad, a measuring tube is installed on one side of the piston pad, scale marks are arranged on the outer side of the measuring tube, a connecting tube is installed on the outer side of the mirror tube, and a telescopic air tube is installed at one end of the connecting tube. According to the utility model, the mirror tube extends into the body of a patient, and the sliding cavity is formed in the mirror tube, so that the shape characteristic of the mirror tube is not changed, the minimization of the wound area of the patient is ensured, and the effect of the original minimally invasive surgery is kept.

The invention relates to the technical field of minimally invasive surgical instruments, in particular to a braided flexible operation arm for shape perception based on distributed fiber bragg gratings and a feedback control method thereof.The braided flexible operation arm comprises a double-layer braided framework, and the double-layer braided framework is formed by tightly attaching an inner braided tube and an outer braided tube; the inner braided tube is formed by spirally braiding a plurality of capillary tubes, an optical fiber sensing unit comprising an FBG is arranged in the capillary tubes in a penetrating manner, and a flexible driving wire is arranged in the double-layer braided skeleton in a matched manner. Therefore, on the premise of the minimum structural load, the flexible operation arm of the woven structure can sense the space posture of each joint of the operation arm with high reliability, and shape reconstruction and motion feedback control of the operation arm are achieved.

The invention discloses an FBG (Fiber Bragg Grating) miniature beam type three-dimensional force sensor, relates to the technical field of instrument sensing equipment for robot-assisted minimally invasive surgery, and solves the problem that the existing instrument sensing equipment for robot-assisted minimally invasive surgery has defects. Lines and parts used for connecting the surgical instrument and the surgical instrument are located in the body, the optical fibers are bonded to the inner wall of the body through adhesives, one end of each optical fiber is connected with the inner wall of the upper notch, the other end of each optical fiber is connected with the surgical instrument, the structure is compact, and the device can be integrated at the tail end of the minimally invasive surgical instrument; when the upper notch and the lower notch have relative acting force, the FBG gate regions of the optical fibers bonded with the pressure beam region and the shear beam region are caused to deform, the two FBG gate regions generate corresponding central wavelength shift according to the current strain, the corresponding variable quantity can be read by using an FBG demodulator, and then the magnitude of the borne external force is obtained.

The present invention relates to the technical field of minimally invasive surgical instruments, and provides a handheld minimally invasive surgical instrument, comprising: a handle, a control unit, a bendable instrument rod and an actuator, wherein the handle is connected to the control unit, the control unit is connected to the bendable instrument rod, and the actuator is connected to the bendable instrument rod; the bendable instrument rod comprises: a sleeve assembly and a flexible rod, the flexible rod is sleeved in the sleeve assembly, the two ends of the flexible rod are respectively connected to the actuator and the control unit, and the control unit is used to drive the flexible rod to move linearly; the actuator is slidably connected to the first end of the sleeve assembly, and the second end of the sleeve assembly is connected to the control unit, and the control unit is used to drive a part of the tube body in the sleeve assembly to move linearly, so as to drive the flexible end to swing. In the above-mentioned handheld minimally invasive surgical instrument, the control unit is used to drive the flexible rod and the sleeve assembly to move linearly, so as to drive the actuator to realize opening and closing movement and swinging, thereby improving the flexibility of the handheld minimally invasive surgical instrument.

The invention discloses a spherical pair locking mechanism and a medical instrument, and relates to the field of medical instruments. The ball pair locking mechanism comprises a ball joint and a locking assembly. The locking assembly comprises a transmission structure, an elastic piece, a locking gear and a force application driving piece. The rigid meshing locking mode of the locking gear and the meshing tooth edge of the inner ball head replaces traditional friction braking, locking force reduction and looseness caused by long-term use and abrasion can be avoided, the locking reliability is greatly improved, and the minimally invasive surgery positioning precision is guaranteed; a user can directly drive the transmission structure through the force application driving part to achieve switching between locking and unlocking of the ball joint, the mechanism is kept in a preset locking or unlocking state in a non-operation state by adjusting the locking gear and the meshing tooth edge and providing automatic reset force through the elastic part, manual intervention is reduced, and the rapid operation requirement of an operation scene is met. The mechanism is compact in structural layout, can adapt to the limited space of minimally invasive surgical instruments, and meets the requirements for locking strength and miniaturization.

Systems and methods for performing surgery are provided, which permit multiple tool tips to be interchanged within an instrument shaft during a minimally invasive procedure. The surgical device holds a plurality of interchangeable tool tips such that a selected tool tip from a chamber of a magazine can be mounted at the distal end of an elongated shaft for a laparoscopic surgery. In this manner, multiple tool types can be interchanged within a shaft without having to remove the instrument from the patient for tool changes, thereby increasing surgical efficiencies and reducing the number of tools needed for a procedure.

The invention relates to the technical field of image recognition, in particular to a gynecological operation navigation method and system based on the minimally invasive technology, and the method comprises the steps: carrying out the feature recognition operation of a three-dimensional focus region structure diagram, and obtaining a focus surrounding tissue feature set; performing minimally invasive surgery scheme identification operation on the focus surrounding tissue feature set to obtain a predicted channel number; performing minimally invasive surgery path recognition operation based on the predicted channel number on the tissue feature set around the focus to obtain a minimally invasive path set, and acquiring necessary avoidance tissue sequences in a preset range region on each minimally invasive path in the minimally invasive path set to obtain a necessary avoidance tissue sequence set; according to the necessary avoiding tissue sequence set, the real-time instrument position information, the minimally invasive path set and the path distribution purpose type set, cutting operation is conducted on the target treatment area, and a minimally invasive channel set is obtained. The navigation accuracy of the minimally invasive surgery can be improved, and the safety of the minimally invasive surgery is improved.

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 various surgical sites from different or shared surgical approaches to achieve a common or cooperative 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.

The invention discloses a minimally invasive surgical instrument added with a tail end micro force sensor, relates to the technical field of robot-assisted minimally invasive surgical instruments, and solves the problem that an existing robot-assisted minimally invasive surgical instrument sensor is difficult to integrate at the tail end of a minimally invasive surgical instrument. The driving mechanism is used for adjusting the transmission wire set to drive the deflection joint and the pitching joint to move, so that the clamping forceps reach a specified angle in the space, opening or closing of the clamping forceps is achieved, three-degree-of-freedom surgical operation, namely pitching action, deflection action and opening and closing action, is achieved at the tail end of the micro surgical instrument, and the working efficiency is improved. When the clamping forceps at the tail end of the micro instrument act on other external objects, strain is generated in the micro three-dimensional force sensor, and the magnitude and direction of the acting force at the moment can be obtained through calculation, so that the requirements of flexible operation and contact force feedback of the tail end of the micro instrument in a minimally invasive surgery are met.

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 knotter for laparoscopic minimally invasive surgery suture, and relates to the technical field of surgical instruments. The device comprises a handle, a guide rod is fixedly connected to one side of the handle, a clamping plate is fixedly connected to one side of the guide rod, and an adjusting plate is arranged at the bottom of the clamping plate; and a cutting assembly is arranged in the clamping plate and comprises a moving frame, the moving frame is slidably connected into the clamping plate, and a cutting knife is fixedly connected to one side of the moving frame. Through the arrangement of the clamping assembly, when a medical worker holds a handle with a hand, a suture line can be clamped through an adjusting plate and a clamping plate, the position of the clamping plate is fixed, when the suture line is clamped, the adjusting plate can be driven by a moving pipe to rotate with a fixing shaft as the axis, and when the adjusting plate is attached to the clamping plate, the suture line can be fixed; and then medical personnel hold another clamp to move the suture needle to suture the surgical wound of the patient, and knotting is carried out in cooperation with the clamping plate.

Minimally invasive surgical systems and corresponding methods that can be quickly and accurately calibrated and / or provided in a pre-calibrated manner are disclosed. The systems and method receive an indication designating at least one portion of the surgical site as a safe or a danger zone and display the designated zone(s) on a livestream of the surgical site. The designated zones identify locations where the surgical instrument should avoid (danger zone), or where the surgical instrument is intended to be placed for the surgery or where the one or more surgical instruments can be safely maneuvered (safe zone and dissection zone).

Provided are tissue repair and sealing devices, and methods for the use of tissue repair and sealing devices, for use in both minimally invasive surgical (MIS) procedures and open, non-MIS procedures to rapidly repair tissue fenestrations and create a pressure-resistant, watertight seal in a tissue barrier. Tissue repair and sealing devices disclosed herein comprise an integrated graft and deployable clasp assembly and an applicator assembly having a graft-clasp lock cylinder that is slidably connected to a folded, deployable clasp. The applicator assembly places a graft on a tissue inner surface and a deployable clasp on a tissue outer surface to secure the graft to the tissue inner surface to, thereby, repair a tissue fenestration and create a watertight barrier.

The present invention relates to the field of medical devices, and specifically to a minimally invasive surgical modular deformable suture needle and its morphology control method. The present invention realizes a small diameter of the needle body under the premise of ensuring overall safety by differentially connecting the deformation control unit in parallel, and the needle body segment has the ability to independently and controllably continuously deform in each degree of freedom and direction, and can quantitatively control the dynamic deformation in the surgical object through external voltage or thermal power input during the suturing process, with high suturing efficiency and strong device deformation ability. The main steps include constructing a differential parallel flexible deformable needle body, constructing a minimally invasive surgical modular deformable suture needle, quantitatively expressing the bending deformation characteristics, establishing a single-segment morphology control model, and coherent morphology control, which overcomes the limitation that traditional minimally invasive surgical instruments are difficult to smoothly perform turning, moving forward, retreating, and other actions in the complex environment of the surgical object.

1. The name of the design product: medical endoscope camera. 2. The use of the design product: the product is used for ear, nose and throat outpatient and minimally invasive surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A cannula sealing device, a cannula assembly, and a minimally invasive surgical robot relate to a sealing device. The present invention solves the problem of wear of the sealing sheet and the instrument head of the existing sealing device. When the surgical instrument (8) is not inserted, the sealing sheet (65) is adsorbed on the steps of the stepped through hole; when the surgical instrument (8) is inserted, the surgical instrument (8) pushes the sealing sheet (65) away, and the sealing sheet (65) is adsorbed on the inner wall of the stepped through hole instead of on the steps, and a gap exists between the sealing sheet (65) and the instrument shaft. The present invention is used for minimally invasive surgery.

This utility model relates to the field of surgical instrument technology, and in particular to a laparoscopic minimally invasive surgical forceps, comprising a long rod, one end of which is fixedly provided with a holding component, and the other end of which is provided with a clamping component connected to the holding component. A spreading component is sleeved on the outer wall of the long rod. The spreading component includes a sleeve sleeved on the long rod, one side of which is provided with a fixing ring fixed to the long rod. A second spring is sleeved on the outer wall of the sleeve, and one side of the second spring is connected to an operating ring sleeved on the sleeve. One end of the operating ring is hinged to the spreading rod through a hinge rod, and one end of the spreading rod is hinged to the outer wall of the sleeve. This laparoscopic minimally invasive surgical forceps, by setting up a spreading component, utilizes the elastic force of the second spring to spread the spreading rod outward, thereby spreading other organs in the surgical area to both sides to expose the position of the surgical area. This facilitates various surgical operations for the surgeon and avoids the problem of surgical difficulties caused by obstruction.

The utility model relates to the field of orthopedic minimally invasive surgical instruments, in particular to a telescopic elastic intramedullary needle taking-out device which comprises a trephine sleeve, an outer thread is arranged on the top of the surface of the trephine sleeve, and the top end of the trephine sleeve is in threaded connection with a handle through the outer thread. The taking-out mechanism used for taking out the intramedullary needle is installed on the surface of the trephine sleeve in a penetrating mode; when the intramedullary nail is fixed, a medical worker hooks one end of the intramedullary nail into the threaded fixing block through a shifting hook and extends the end of the intramedullary nail out of an inner cavity of the trephine sleeve through a containing groove and a through hole, meanwhile, the medical worker screws a threaded plug into the inner cavity of the threaded fixing block through a tool, the intramedullary nail is pressed, and the intramedullary nail is fixed. And the limiting rod is inserted into the inner cavity of the trephine sleeve to limit the threaded plug, so that the purposes that the fixing strength of the intramedullary nail can be enhanced, movement of the threaded plug is limited through limiting of the limiting rod, and the fixing stability is improved are achieved.

The present application relates to the technical field of medical apparatus, and discloses a multifunctional ligation and cutting device for single-hole completion of appendicitis minimally invasive surgery, which comprises a sleeve, a plurality of operators for completing ligation and cutting work movably arranged in the sleeve, a plurality of operation driving parts corresponding to the plurality of operators respectively for controlling the operation of the operators, a linear driving part connected with the plurality of operation driving parts respectively for controlling linear reciprocating movement of each operation driving part, and a connecting rod connecting the sleeve with a fixed end of the linear driving part. The operators for completing ligation and cutting of the appendix are integrated in the sleeve, the linear driving part and the operation driving part for controlling the operation of the operators are integrated outside the sleeve, the single-hole minimally invasive surgery of the appendix of a patient without obvious adhesion can be completed, the linear driving part and the operation driving part can be used to control the operation of the plurality of operators, and the operation is convenient; the operation is simpler, and the trauma of the patient is smaller.

The present invention relates to a robotic system (100) for laparoscope (6) manipulation during minimally invasive surgeries. The system comprises a movable base (1), a vertical column (3) with a curved configuration to shift the centre of mass for stability, and a SCARA system (4) that cooperates to align the Remote Center of Motion (RCM) (5). The system provides seven degrees of freedom, including vertical motion (7), horizontal motion (8, 9), and RCM-based pitch (11), yaw (10), roll (13), and zoom (12). At the distal end, a clamp securely holds the laparoscope (6) while allowing controlled roll, and an actuated cleaning module (19) enables in-situ cleaning without removal. A guiding ring (20) assists linear alignment, while interchangeable clamps permit use with various surgical tools. The foldable design reduces volumetric space by up to 50%, enhancing portability, precision, and efficiency in surgical operations.

This invention belongs to the field of medical robotic arm technology, and more particularly to a needle-holding robotic arm for minimally invasive surgery, comprising a handle, a protective shell, and a crank shell. The invention features an anti-tipping wheel located inside the crank shell near the shaft. The rim of this anti-tipping wheel presses firmly against the surface of the wire rope, effectively preventing the wire rope from slipping out of the groove in the reel during high-speed or large-angle transmission. This ensures that the gripper's movements are consistent with the surgeon's intentions, avoiding missed steps due to skipped threads or slack, thereby improving the safety and precision of the surgery. Simultaneously, the wire rope is driven by gear transmission inside the protective shell, and the pitch axis controls the pitch angle of the gripper. This allows the surgeon to control the opening and closing of the gripper and the pitch angle simultaneously or separately through a single finger gripping operation, enabling complex actions such as needle clamping, needle rotation, and suturing within confined human cavities. This significantly improves the instrument's operational flexibility and surgical efficiency.

The application provides a surgical dissector and a surgical robot comprising the same, the surgical dissector comprising an instrument transmission box and an instrument operation part, wherein the instrument transmission box is provided with a transmission structure and an extension part extending out of the instrument transmission box; the instrument operation part comprises a knife head seat and a knife head arranged on one end of the knife head seat, and the other end of the knife head seat is connected with the extension part through a bending assembly; the bending assembly is arranged with at least two traction parts at intervals in the circumferential direction, one end of the traction part is connected with the knife head seat, and the other end is in transmission connection with the transmission structure of the instrument transmission box along the extension part; the transmission structure can drive the selected traction part to be tensioned or relaxed, so that the bending assembly is bent along the tension direction of the traction part, so that the knife head can be bent, multi-dimensional and multi-directional bending adjustment of the knife head is realized, and good research and development effects are achieved for the orientation adjustment of minimally invasive surgical instruments in various surgical scenes.

A system for performing any of extracorporeal or intracorporeal wound closure, includes a suture cartridge 100 configured to be detachably coupled to a distal end of a handle of the system extracorporeal wound closure, or to a shaft assembly that is coupled to distal end of the handle for intracorporeal wound closure. On being coupled to any of the shaft assembly or the handle, a driving pulley 112A of the cartridge 100 gets operatively coupled to a driving mechanism in the handle to drive a belt 110 of the suture cartridge 100 to drive a suturing needle 106 for suturing tissues for the extracorporeal or intracorporeal wound closure. The cartridge 100 can be coupled with any of a robotic system, a hand held system and a minimal invasive surgical system.

This invention relates to the field of minimally invasive surgical instrument technology, and in particular to a braided flexible manipulator based on distributed fiber grating (FBG) shape sensing and its feedback control method. The manipulator includes a double-layer braided skeleton, which is composed of an inner braided tube and an outer braided tube tightly fitted together. The inner braided tube is composed of multiple strands of capillary spirally woven together, and an optical fiber sensing unit containing an FBG is inserted inside the capillary. A flexible drive wire is also provided within the double-layer braided skeleton. This invention, through its double-layer braided skeleton structure and the integration of an optical fiber with FBG functionality, enables the flexible manipulator with a braided structure to reliably sense the spatial posture of each joint of the manipulator with minimal structural burden, thereby achieving shape reconstruction and motion feedback control of the manipulator.

A robotic system for minimally invasive surgery includes a robotic arm with robotic F / T sensors and surgical instruments attached thereto. The surgical instruments are positioned within a patient's body cavity via a cannula in which a cannula F / T sensor is integrated. The output of the cannula F / T sensor is subtracted from the output of the robotic F / T sensor (and vice versa) to eliminate the influence of force or torque between the cannula and the patient's skin, obtaining only the force or torque applied to the surgical instruments. To perform this subtraction, the reference frames of the two F / T sensors are first aligned. For example, the position of the surgical instrument tip can be measured or estimated, and the corrected force or torque can be similarly converted to the reference frame of the surgical instrument tip.