37 results about "Endoluminal surgery" patented technology

The present disclosure is directed to an endoscopic surgical instrument and methods for performing a diverticulum treatment. The surgical instrument includes a handle assembly, an elongated member and a jaw assembly. The elongated member is operably coupled to the distal end of the handle assembly, while the jaw assembly is operably coupled to a distal end of the elongated member. The jaw assembly includes a knife slot that is defined therewithin and is adapted to receive a knife blade to thereby cut tissue that is disposed between the jaw assembly. The jaw assembly is configured to approximate an esophageal tract and a diverticulum.

A surgical instrument comprises a first elongated member and a second elongated member, the first elongated member and the second elongated member being operatively connected and configured to rotate in opposite directions to substantially limit counter torque. The first and second elongated members are flexible shafts. The surgical instrument can be configured to apply fasteners to a tissue portion. This embodiment of the surgical instrument includes a cartridge having a plurality of fasteners, an anvil, said anvil and cartridge being relatively movable between spaced and approximated positions, and a sled disposed in the cartridge. The sled includes a cam member. The cam member is designed to drive the fasteners through tissue and toward the anvil.

The present invention provides a multiplex system for identifying the presence of surgical sponges, metal instruments, and other implements in a surgical wound by employing a plurality of discrete sensing systems. At least two modalities of operation are chosen from a plurality of detection modalities, which can include: 1) magnetomechanically resonant marker tags; 2) “smart markers” or RFID markers; and 3) a system designed to detect metallic objects solely based upon their metal content, without need for a separate, affixed marker. The selected modes of operation can operate sequentially or simultaneously. Consequently, the use of such a multiplex system eliminates the possibility that surgical implements, non-metallic or metallic, will be left behind within a surgical cavity.

An endolumenal robotic system provides the surgeon with the ability to drive a robotically-driven endoscopic device to a desired anatomical position in a patient without the need for awkward motions and positions, while also enjoying improved image quality from a digital camera mounted on the endoscopic device.

The present invention is a device and method of using a variety of laparoscopic or NOTES surgical tools at a confined or inaccessible space, e.g., an intra-abdominal surgical and NOTES tool inserted through a single incision through the skin or hollow viscus. Generally, the laparoscopic or NOTES surgical devices include a device body having a first side and a second side, wherein the first side includes a positioning mechanism and the second side includes one or more of a variety of laparoscopic or NOTES tools.

Exemplary embodiments of devices and method for affecting at least one anatomical tissue can be provided. A configuration can be provided that includes a structure which is expandable (i) having and / or (ii) forming at least one opening or a working space through which the anatomical tissue(s) is placed in the structure. For example, the structure, prior to being expanding, can have at least one partially rigid portion. In addition, or as an alternative, upon a partial or complete expansion thereof, the structure can be controllable to have a plurality of shapes. Further, the structure can be controllable to provide the working space with multiple shapes and / or multiple sizes.

A surgical instrument comprises a first elongated member and a second elongated member, the first elongated member and the second elongated member being operatively connected and configured to rotate in opposite directions to substantially limit counter torque. The first and second elongated members are flexible shafts. The surgical instrument can be configured to apply fasteners to a tissue portion. This embodiment of the surgical instrument includes a cartridge having a plurality of fasteners, an anvil, said anvil and cartridge being relatively movable between spaced and approximated positions, and a sled disposed in the cartridge. The sled includes a cam member. The cam member is designed to drive the fasteners through tissue and toward the anvil.

An improved method and apparatus for administering drugs during an endoluminal procedure is disclosed. An embodiment of the present invention utilizes a catheter having distal and proximal ends and a drug reservoir located within the catheter to efficiently and accurately deliver drugs during an endoluminal procedure.

Exemplary embodiments of devices and method for affecting at least one anatomical tissue can be provided. A configuration can be provided that includes a structure which is expandable (i) having and / or (ii) forming at least one opening or a working space through which the anatomical tissue(s) is placed in the structure. For example, the structure, prior to being expanding, can have at least one partially rigid portion. In addition, or as an alternative, upon a partial or complete expansion thereof, the structure can be controllable to have a plurality of shapes. Further, the structure can be controllable to provide the working space with multiple shapes and / or multiple sizes.

A duel lumen catheter is provided for use in minimally invasive surgery. The catheter generally includes a first tube defining an operative lumen and a second tube terminating proximally of the first tube and defining an inflation lumen. In one embodiment, the first and second tubes are concentric. In an alternative embodiment, the first and second tubes are separate and extend parallel to each other. The first and second tubes are provided with inflation ports adjacent their respective distal ends. There is also provided a method for performing minimally invasive surgery by inserting the catheter through the esophagus of a patient, insufflating the stomach and performing a surgical operation through the catheter and external to the stomach.

The present invention is directed to a method for providing an access point for laparoscopic intra-abdominal surgery disconnected from the area of the ultimate intra-abdominal procedure. This method allows for the necessary skin incision(s) for insertion of the laparoscopic equipment to occur in a favorable area, transverse below one or more tissue layers to a secondary insertion point in a favorable area, and for the further insertion of the laparoscopic equipment. Favorable area selection affords the surgeon the ability, for example, to select a region of the patient that may result in a less obvious scar of the cutaneous layer of the abdominal wall for the first incision and optimal location in regards to mechanical stability of the muscular layer of the abdominal wall for the second incision. The invention further includes devices for performing such described method.

An access device adapted and configured to be inserted through a natural biological orifice, and related surgical methods are provided. The access device includes a body, a nozzle means and means for delivering a pressurized flow of fluid to the nozzle means. The body is configured and dimensioned to be inserted through a natural bodily orifice and has proximal and distal end portions and defines at least one lumen therethrough to accommodate passage of one or more surgical instruments. The nozzle means is operatively associated with the body for directing pressurized fluid into the lumen to develop a pressure differential in an area within a region within the lumen to form a fluid seal around the one or more surgical instruments passing therethrough.

An endoluminal surgical system is disclosed that includes an operating device, a connecting rod, and a handle. The operating device comprises an operating instrument and a connecting part. During surgery, the operating device is placed in a cavity through an incision, then the tip end of the connecting rod enters the cavity along the puncture point to be fixedly connected with the connecting partof the operating device, the other end of the in-vitro connecting rod is fixedly connected with the handle, and then an operating instrument is controlled and adjusted in vitro through the handle to achieve a corresponding surgical operation. Injury to the body of a patient can be reduced, meanwhile, a surgical operation in vitro can be conducted more conveniently, and the success rate of a surgery is increased.

A duel lumen catheter is provided for use in minimally invasive surgery. The catheter generally includes a first tube defining an operative lumen and a second tube terminating proximally of the first tube and defining an inflation lumen. In one embodiment, the first and second tubes are concentric. In an alternative embodiment, the first and second tubes are separate and extend parallel to each other. The first and second tubes are provided with inflation ports adjacent their respective distal ends. There is also provided a method for performing minimally invasive surgery by inserting the catheter through the esophagus of a patient, insufflating the stomach and performing a surgical operation through the catheter and external to the stomach.

The invention provides a transverse intracavity stapler with a compact structure. The transverse intracavity stapler comprises an end actuator, a connecting outer pipe and a driving component at leastpart of which is arranged in the connecting outer pipe, wherein the end actuator comprises a staple cartridge shell and a positioning staple; the driving component comprises a driving shell used fordriving the staple cartridge shell; the staple cartridge shell is arranged in a staple cartridge accommodating cavity of the driving shell; an opening is formed in the staple cartridge accommodating cavity, and the staple cartridge shell can be axially arranged along the center shaft of the connecting outer pipe; one end of the positioning staple is arranged in the staple cartridge accommodatingcavity; a positioning staple hole which can be penetrated by the positioning staple, and the other end of the positioning staple is connected with a positioning staple driving mechanism. The structuremounting mode of an existing transverse stapler is improved, the assembly is compact, the radial size of the transverse stapler is effectively reduced, and the transverse stapler can enter an endoscopic surgical channel with a small inner diameter, so that the transverse intracavity stapler can be applied to intracavity surgeries.

The invention discloses an endoluminal surgery pressure monitoring system which comprises a pressure measuring optical fiber and a pressure monitor. The first end, extending into a cavity, of the pressure measuring optical fiber is provided with a pressure sensor, and the second end of the pressure measuring optical fiber is connected to the pressure monitor. The pressure sensor is used for measuring the pressure parameter in the cavity and transmitting the pressure parameter to the pressure monitor to be displayed and analyzed, the pressure parameter in a kidney can be obtained through observation visually and conveniently. The pressure sensor extends into the specified position in the cavity to be monitored, and the accuracy is high. According to an endoluminal surgery pressure adjusting system and method, on the basis of the endoluminal surgery pressure monitoring system, a peristaltic pump connected with a pressure controller is additionally arranged, the monitored pressure is compared with the maximum pressure set on the pressure monitor, opening and closing of the peristaltic pump are controlled according to an analysis and comparison result, so that liquid is poured into or discharged out of the peristaltic pump, pressure in the cavity is kept relatively constant in the endoscopic surgery process, and safe conduction of the surgery can be better achieved.

An endoluminal surgery system is disclosed. The endoluminal surgery system includes an operating device, a connecting rod, and a handle. The operating device includes an operating part and a connecting part. During the surgery, the operating device is placed in a body cavity through an incision, and then a piercing end of the connecting rod enters the body cavity through a piercing point and is fixedly connected with the connecting part of the operating device. The other end of the connecting rod that is outside the body is fixedly connected with the handle. Next, the operating part is controlled through the handle outside the body to achieve the corresponding surgical operation. After the operation, cut off the connecting rod, take out the operating device from the incision, and pull out the connecting rod, leaving no wound or tiny wounds on body. The present disclosure can reduce the injury to the patient's body, and make the surgical operation outside the body cavity more convenient, and improve the success rate of the operation.

The present invention is one rear urethral probe and one puncture needle for treating urethral stricture and urethral atresia. The rear urethral probe includes one sheath, one arc segment and one front straight segment connected successively, and has smooth hole. The puncture needle fitting the said rear urethral probe includes one needle with threads in the front part. During cryoprobe treatment of urethral stricture and urethral atresia, the puncture needle is first used in searching the weakest part, and the rear urethral probe is then used in puncturing. The present invention can facilitate the operation of treating urethral stricture and urethral atresia.

The invention discloses a single-hole transabdominal and stomach wall and stomach cavity passing operation device which comprises an abdominal wall fixing assembly, a stomach wall fixing assembly and an operating platform. The abdominal wall fixing assembly is of a hollow structure with two opened ends, and meanwhile the middle of the abdominal wall fixing assembly is extensible. The abdominal wall fixing assembly comprises a round air bag, an air bag air-injection pipe and an air bag fixing pipe, the round air bag is located below the abdominal wall fixing assembly, one end of the air bag air-injection pipe and one end of the air bag fixing pipe are mutually communicated with the round air bag, the other end of the air bag air-injection pipe and the other end of the air bag fixing pipe penetrates through the abdominal wall fixing assembly and extends out of the operating platform, and meanwhile one-way fixing teeth are arranged at the end. The lower portion of the operating platform is in sealed connection with the upper end of the abdominal wall fixing assembly, and an operating hole, an air inlet hole and an air outlet hole are formed in the upper portion of the operating platform. The problem that a transabdominal and stomach wall and stomach cavity passing operation sleeve is difficultly fixed to the stomach wall is solved, complicated surgical operation can be achieved through a single hole, and the operation device has a wide application prospect.

The invention provides a transverse stitching instrument for an endoscopic surgery. The transverse stitching instrument comprises a control part, a clamping push rod assembly, a positioning needle push rod assembly, a positioning needle driving assembly and a clamping driving assembly, wherein the positioning needle push rod assembly is arranged outside the clamping push rod assembly in a sleeve manner, the positioning needle push rod assembly is rotationally connected with the positioning needle driving assembly, the positioning needle push rod assembly and the positioning needle driving assembly are axially and relatively fixed and rotated relatively, the clamping push rod assembly is rotationally connected with the clamping driving assembly, the clamping push rod assembly and the clamping driving assembly are axially and relatively fixed and rotated relatively, the control part drives the clamping push rod assembly to rotate to make a clamping part be rotated relative to the clamping driving assembly, and the control part drives the positioning needle push rod assembly to rotate through the clamping push rod assembly to make a positioning needle be rotated relative to the positioning needle driving assembly. The steering of the end part of the stitching instrument is driven by rotating the control part, so that an operator can conveniently control the steering of the end part under the condition that a handheld handle part is not rotated, and therefore the use is convenient.

The invention provides a dilator and a surgical instrument, and relates to the technical field of medical instruments. The dilator comprises an inner tube and an outer tube; one end of the inner tubeis tapered; the outer tube sleeves the inner tube, and the inner side wall of the outer tube is provided with an endoscope head channel and / or a suction channel; the endoscope head channel is used forfixing an endoscope head, and the endoscope head is used for being connected with an endoscope device; the suction channel is used for being connected with an aspirator. The endoscope head can be inserted into brain tissues synchronously with the outer tube, the endoscope head can be used for observing whether or not the dilator reaches a target puncture site, during the operation, the directionand depth of the dilator are changed according to the positions and shapes of lesions in the brain, the direction and depth of a surgical operation are flexibly changed, and the operation time is shortened. The suction channel can absorb blood and seepage of a surgical view field at any time, which is beneficial for seeing the surgical view field and stopping bleeding; suction devices necessary for an operation inside dilator lumen are not needed, and the convenience and flexibility of the operation inside the dilator lumen are improved.

The subject invention relates to a valve replacement system together with methods of preparation and use, are provided for endovascular replacement of a heart valve in a host. The valve replacement system includes up to five components: a prosthetic valve device, a valve introducer device, an intraluminal procedure device, a procedure device capsule, and a tissue cutter. The system provides for endovascular removal of a malfunctioning valve and subsequent replacement with a permanent prosthetic heart valve.

Disclosed is an endoluminal surgery instrument, comprising an operating device (1) and a handle (2). The operating device (1) comprises an operating portion (11) and a connecting portion (12). The handle (2) is provided with a connecting rod (3), the connecting rod (3) has a tip portion, and the tip portion of the connecting rod (3) is connected to the operating device (1). The connecting rod (3) comprises a hollow sleeve rod (31) and a core rod (32) movably arranged in the sleeve rod (31), and the core rod (32) can be controlled to stay in different positions by means of operating the handle (2) so as to enable the operating device (1) to open or close. During an operation, the operating device (1) is placed in a lumen (D) via an incision (B), the tip portion of the connecting rod (3) enters the lumen (D) along a puncture point and is fixedly connected to the connecting portion (12) of the operating device (1), and the handle (2) is then operated in vitro such that the operating portion (11) can be controlled to implement a corresponding surgical operation. The diameter of the tip portion of the connecting rod (3) is less than 3 mm, such that the puncture point does not need to be stitched up, thereby reducing injury to the body of a patient. Moreover, since the operating device (1) can be detached from the handle (2), the size of the operating device (1) is not limited by the diameter of the connecting rod (3), such that it is possible to perform the surgical operation in vitro more conveniently.

An intracavity surgical system is disclosed, which includes an operating device, a connecting rod and a handle. Wherein, the operating device includes an operating instrument and a connecting portion. During the operation, the operating device is placed in the cavity through the incision, and then the tip of the connecting rod enters the cavity along the puncture point and is fixedly connected with the connecting part of the operating device, and the other end of the external connecting rod is fixedly connected with the handle, and then through the The handle controls and adjusts the operating instrument outside the body to achieve the corresponding surgical operation. The invention can reduce the damage to the patient's body, and at the same time, it can more conveniently perform the operation outside the body and improve the success rate of the operation.

The invention relates to a preparation method of a general-purpose anterior tooth opener, comprising: (1) taking a pair of standard upper and lower jaw dentition models, and recording the occlusal relationship, and then placing the upper jaw on the model; step (2) adjusting the jaw Opening degree, engrave the wax shape of the anterior tooth area mouth opener, and make the anterior tooth area resin mouth opener; step (3) measure and design the size of the anterior tooth area resin mouth opener, and obtain the data of the universal anterior tooth area opener; step (4) Convert the data of the designed universal anterior teeth mouth stretcher into data recognized by a 3D printer, and print out the universal anterior teeth mouth stretcher. The preparation method of the present invention is simple and easy, and the cost is low, and can be produced in batches by using 3D printing technology; the obtained universal anterior mouth opener can effectively shorten the number and time of patient visits, and can be used as a radiotherapy support for oral and maxillofacial radiotherapy As well as an oral fixation device during intraoral surgery, it has great application prospects in the medical field.

The present application provides a transverse stapler for intraluminal surgery, comprising a control member, a clamping push rod assembly, a positioning needle push rod assembly, a positioning needle driving assembly and a clamping driving assembly, and the positioning needle push rod assembly is sleeved on the clamp Holding the outside of the push rod assembly, the positioning needle push rod assembly and the positioning needle drive assembly are rotatably connected, and the positioning needle push rod assembly and the positioning needle drive assembly are axially relatively fixed and rotate relative to each other, clamping the push rod assembly and the clamp The holding and driving assembly is connected in rotation, and the axial direction between the clamping push rod assembly and the clamping driving assembly is relatively fixed and the two rotate relative to each other, and the control member drives the clamping push rod assembly to rotate to make the clamping member rotate relative to the clamping driving assembly, And the control member drives the positioning needle push rod assembly to rotate through the clamping push rod assembly, so that the positioning needle rotates relative to the positioning needle driving assembly. The steering of the end of the stapler is driven by the rotating control member, which is convenient for the operator to control the steering of the end without the hand-held handle part being rotated, and is convenient to use.

The present application provides a transverse endoluminal stapler with a compact structure, including an end effector, a connecting outer tube, and a driving assembly at least partially arranged in the connecting outer tube. The assembly includes a drive housing for driving the staple cartridge housing; the staple cartridge housing is arranged in the staple cartridge accommodating chamber of the drive housing, and the staple cartridge accommodating chamber is provided with an opening for the staple cartridge housing to be connected to the central axis of the outer tube. One end of the positioning pin is arranged in the accommodating chamber of the staple cartridge, the staple cartridge is provided with a positioning pin hole for the positioning pin to pass through, and the other end of the positioning pin is connected with the positioning pin driving mechanism. The structural installation method of the original transverse stapler is improved, the assembly is more compact, and the radial dimension of the transverse stapler is effectively reduced, so that it can enter the laparoscopic surgery channel with a small inner diameter, so that it can be used in the cavity Operation.

The invention discloses a surgical instrument for traceless invisibility of a television endoscope surgery and a method thereof. The surgical instrument comprises handles (1) and an end head, wherein the handle (1) is in threaded connection with the end head or in a lock catch connection with the end head; the method comprises the following steps of: during an operation, inserting one or more handles (1) into a thoracic cavity or an abdominal cavity from a position favorable for assisting a main knife operator, and fixedly connecting an end head with the handle (1) in the thoracic cavity or the abdominal cavity through a main operation hole; the plurality of handles (1) are operated by an operation assistant by utilizing different functions of the end heads, and are matched with instruments of a main knife operator in the main operation hole to complete various operation steps. After the intracavitary surgery is finished, the handle (1) is separated from the end, the handle (1) is pulled out, whether the puncture inner hole has active bleeding or not is examined through an endoscope, and the outer puncture hole of the chest wall or the abdominal wall does not need to be sutured and is directly bound aseptically. According to the invention, surgical incisions are reduced, the safe surgical experience of any multiple auxiliary incisions is realized, only scars of injury of a single-operation incision are left, and the pain of a patient is reduced.

The invention relates to a medical robotic arm, which includes a mounting structure, a bracket structure, a driving structure and a control structure; one end of the bracket structure is fixed to the mounting structure, and the other end is provided with a mounting position, and the mounting position is used to install intracavity surgical instruments; the driving structure is provided It is in the bracket structure and is drivingly connected to the intracavitary surgical instruments in the installation position; the control structure is connected to the installation structure, and one end of the control structure faces the installation position. The control structure is used to connect the intracavitary surgical instruments through the driving structure and control the intracavity in the same direction. Surgical Instruments. It has a simple design and lightweight structure. Users can perform surgical operations with only one hand. Due to its simple structure, there will be no collisions during use. It also avoids the problem of reverse control by traditional mode users through the same direction control method. , which is more in line with the user's operating habits, thereby reducing the occurrence of medical accidents due to operating errors and helping to improve surgical efficiency.