32 results about "Tissue forceps" 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 tissue forceps includes a first arm and a second arm. In an unbiased state, the arms extend from a common base along respective lines that form an acute angle resulting in an initial displacement between distal ends of the two arms. The distal end of each arm includes a finger portion that may include a retention notch, a flared footing, or both. Retention notches formed in one or both of the fingers define a retention aperture when the tissue forceps is closed. Retention apertures may be triangular, square, circular or any other suitable shape. The size and shape of the retention aperture may accommodate a surgical needle having a cross section of like size and shape. Flared footings may include inward flares, outward flares, or both. A pair of fingers may include any combination of flared footings combined with any combination of retention notches.

The invention relates to the field of endoscopic instruments, in particular to a soft tissue forceps clip device which comprises a chuck, a forceps clip and a forceps release portion. The chuck comprises a protecting sleeve and a clamping unit mounted in the protecting sleeve, the protecting sleeve is arranged outside the clamping unit in a sleeving manner, one end of the protecting sleeve is a nip end, and the other end of the protecting sleeve is a limit end. One end, extending out of the nip end of the protecting sleeve, of the clamping unit is a clamping end, and the other end of the clamping unit extends into the protecting sleeve. The forceps clip is connected with the clamping unit and used for moving the position of the clamping unit in the protecting sleeve to control the openingand closing state of the clamping end of the clamping unit, and the forceps release portion is used for driving the clamping unit to move to one side of the nip end of the protecting sleeve to open the clamping end when the clamping end of the clamping unit is clamped. The clamping unit can move in the protecting sleeve, the clamping end is separated from a soft tissue with a non-ideal clamping position when the clamping gradually moves out from the protecting sleeve, an incision of the soft tissue can be clamped again, and healing of the incision of the soft tissue is facilitated.

The invention discloses a tissue forceps for removing hidden deep lesions, which is composed of two clamp arms arranged in parallel, and each clamp arm is composed of a hinged forearm and a rear arm; the front ends of the two forearms are opposite to each other. The sides are all set in a serrated shape to form a clamp, and the rear end is connected by a pin shaft near the hinge; the two rear arms are connected by a pin shaft near the hinge. The present invention is composed of two clamping arms arranged in parallel, and the two clamping arms are composed of two sections, and the corresponding positions of the front and rear sections are pin-connected, which reduces the clamping displacement of the clamping arms and is convenient to use. When removing deep hidden lesions, the operation can be performed on the diseased tissue, and under the action of the protective plate, the shallow normal tissue can be effectively protected; and the direction of the clamp is at a certain angle with the plane of the entire tissue clamp. More convenient and effective removal of diseased tissue.

The invention discloses pneumatic laryngeal tissue forceps for the ophthalmology and otorhinolaryngology department. The pneumatic laryngeal tissue forceps comprise a seat plate. Grab handles are movably mounted on the left side and the right side of the lower surface of the seat plate through rotating shafts. A supporting rod is fixedly connected and assembled to the center of the lower surface of the seat plate; one end of a first compression spring is fixedly connected and assembled to each of the left side wall and the right side wall of the supporting rod; and the other end of each firstcompression spring is connected with one grab handle. A partition plate is fixedly connected and assembled to the center of the interior of the seat plate; electric air cylinders are arranged on the left side and the right side of the partition plate; and screw rods are fixedly connected and assembled to the output ends of the electric air cylinders. According to the pneumatic laryngeal tissue forceps, the grab handles are held by hands to resist the elasticity of the first compression springs; the grab handles are pushed elastically to adjust the proper expansion degree; and thus the forcepsare driven to be aligned at the laryngeal to be processed. Power sources of the electric air cylinders are controlled and the output ends of the electric air cylinders are controlled to be pushed out,so that manual controlling of the tissue forceps is avoided by applying forces with cylinders; and thus the overall tissue forceps can be dismounted to be received or disinfected.

The invention discloses a construction method of a mouse ventricular aneurysm model, comprising the following steps: anesthetizing a mouse by inhaling isoflurane without mechanical ventilation; forming a small skin incision in the left chest to expose the intercostal space of the most violent cardiac beating after the mouse enters a relaxed state and does not have respiratory depression and dysphoria; forming a small hole between the ribs by using tissue forceps and hemostatic forceps, opening the pleura and pericardium, and slightly extruding the thorax of the mouse; ligating at a position 4-4.5 mm away from the origin of the coronary artery by adopting an absorbable 6-0 suture; ligating the left anterior descending branch and the half myocardium together; immediately putting the heart into the thoracic cavity after ligation, manually exhausting, and suturing and knotting. According to the method, a simple, repeatable and stable mouse ventricular aneurysm model can be manufactured, the model forming rate is high, the method can be used for researching before ventricular aneurysm formation and researching the internal mechanism of mouse ventricular aneurysm formation under different strains and in different states, and a theoretical basis is provided for treatment and prevention of ventricular aneurysm.

The invention discloses a pair of minimally invasive surgery department tissue clamp forceps, and belongs to the field of medical apparatus and instruments. The pair of minimally invasive surgery department tissue clamp forceps comprises a handle, a connecting part connected with the handle, and an operation part connected with the connecting part, wherein the handle controls the operation part through the connecting part; the connecting part comprises a connecting pipe and a connecting rod positioned in the connecting pipe; the connecting pipe is independently fixedly connected with the handle and the operation part; and the connecting rod can be driven by the handle to move so as to drive the operation part to open and close the tissue clamp forceps.

The invention relates to medical tissue forceps and a use method thereof. The medical tissue forceps comprise an outer tube, a transmission piece, a sliding part and a guide rail part, wherein a far end of the outer tube is connected with a base, the joint between the outer tube and the base is provided with forceps head arms, openings can be formed between the forceps head arms and the base, anda near end of the outer tube is connected with a far end of the guide rail part; a far end of the transmission piece is connected with near ends of the forceps head arms, and a near end of the transmission piece penetrates through the outer tube and is connected with the sliding part; the sliding part can independently slide on the guide rail part, and the sizes of the openings of the forceps headarms relative to the base are controlled by sliding, so that the openings are opened and closed independently of each other; the guide rail part is provided with a guide rail locking part, the sliding part is provided with a sliding locking part, the sliding locking part and the guide rail locking part achieve separation and locking, thereby controlling the fixation and positioning of the forcepshead arms, and the states of the forceps head arms are not needed to maintain. The medical tissue forceps are easy to operate, can effectively reduce the difficulty of wound suture, and increases thesuccess rate of operation.

A gastrointestinal double-grasp surgical tissue forceps has bifurcated jaws. By gripping a piece of tissue on two sides, the jaw arms fix the tissue plate between them to enable an easier and more accurate puncture, cut, needle insertion/exit or similar procedure. By contrast, when using existing tissue forceps, forces induced by such procedures can turn the tissue on a single grasp-made-pivot. By eliminating the summative effect of these turns, although they are minimal and conventionally compensated for, the gastrointestinal double-grasp forceps is expected to improve the overall speed and control of surgeons and the quality of their manual anastomoses during gastrointestinal operations.

The invention discloses a soft tissue double-hole forceps for easy fixation, comprising a forceps handle, an anti-slip bump is arranged in the upper middle of the forceps handle, and a forceps head a and a forceps head b are respectively provided at one end of the forceps handle. Forceps head a and forceps head b, the top of the forceps head a and the forceps head b are both provided with a withdrawal port, this kind of soft tissue double-hole forceps for easy fixation is provided with a withdrawal port, and the withdrawal port is a "beak" Shaped, double-hole structure, the doctor can align the tweezers at the retraction port with the gingival soft tissue to be sutured, and the nylon thread can be sutured back and forth at the retraction port. The soft tissue of the patient's gums can be sutured and fixed accurately, the forceps can be easily taken out, the operation difficulty of the doctor is reduced, the suture work can be completed more accurately and conveniently, and finally the fixation effect of the forceps on the patient's gum tissue can be improved.

The invention discloses a pair of antibacterial tissue forceps. The pair of antibacterial tissue forceps comprises forcep handles and a forcep jaw, wherein a polymer antibacteirla coating layer is arranged on the forcep jaw, and the thickness of the polymer antibacterial coating layer is 10 to 100mu m.

A surgical instrument, such as a tissue sealing instrument, is provided with an end effector having first and second movable jaws that define a gap therebetween in a closed position for gripping, sealing and/or stapling tissue. The jaws are movable relative to each other in the closed position to reduce a thickness of at least a portion of the gap. The configuration allows the jaws to move closer together to reduce the overall size of the instrument, for example, when the instrument is introduced and retracted through an opening in a patient, or manipulated within a body cavity. The surgical instrument may also have a variety of settings for different staple cartridges while still maintaining a fixed size between the two jaws for gripping, suturing and/or sealing tissue, thereby providing a more adaptable surgical instrument that allows a surgeon to use different staple cartridges without replacement of the surgical instrument.

The invention discloses soft hydraulic tissue forceps. The soft hydraulic tissue forceps comprise a tissue forceps head part with a water bag, a water tube rod and a hydraulic accessory, one end of the water tube rod is connected with the water bag, the other end of the water tube rod is connected with the hydraulic accessory, and the hydraulic accessory controls the tissue forceps head part to beclosed and opened by controlling out-stretching and back-drawing of the water bag. The tissue forceps and a fiberoptic endoscope are put into a minimally invasive steering soft aspirator with negative pressure after being combined, and the aspirator is put into a guiding device; an upper spatula arm and a lower spatula arm are opened and closed to conduct forceps scraping or separation by utilizing the hydraulic accessory for controlling out-stretching and back-drawing of the water bag. The soft hydraulic tissue forceps can be put into the minimally invasive steering soft aspirator and can pass through rigid small-caliber straight channels and arc channels after being deformed, and thus the injuries to the brain parenchyma, the nerves, the blood vessels and other tissue are reduced.

The invention discloses a stainless steel multi-loop elastic thread anorectal ligator which solves problems of high cost, troublesome operation and poor controllability of the prior art and is characterized in that the tissue chamber (1) is cylindrical, and has a double-layer arc structure above it, forming an elastic thread penetration hole (6) and a tissue insertion hole (7), and the lower backhalf is provided with a tissue forceps insertion hole (4) and an elastic coil stopper (5), and the end is movably connected with the handle (3) through a connecting rod (2). A movable elastic coil (12) which is tied after the front end of the elastic wire (11) passes through the elastic wire penetration hole (6) is snared on the cylinder of the front end of the tissue compartment, and the end is tied on the elastic wire fixing window (10) arranged above the handle. The invention has the advantages of reasonable structure, low cost, simple operation, strong controllability and the like, and issuitable for anorectal diseases such as internal hemorrhoids, external hemorrhoids, mixed hemorrhoids, rectal polyp, anal papilloma and prolapse, rectal protrusion and the like in various stages, andcan be widely used in hospitals at all levels, especially in grass-roots hospitals.

The invention relates to nude mouse pincers for tissue membrane transplantation. The nude mouse pincers comprise a nude mouse pincers body, wherein the nude mouse pincers body comprises two sets of nude mouse pincers split bodies and a pin shaft; mounting holes are formed in the front ends of the nude mouse pincers split bodies, the pin shaft penetrates through the mounting holes in the front endsof the two sets of nude mouse pincers split bodies to fix the nude mouse pincers split bodies, and each nude mouse pincers split body comprises handheld parts, clamping arms and flattening arms; anda handheld hole is formed in the rear end of each handheld part, each clamping arm is arranged at the front end of the corresponding handheld part, each flattening arm is arranged at the bottom end ofthe corresponding clamping arm, clamping teeth are arranged on one sid, close to the pin shaft, of the front end of the corresponding clamping arm, and corrugated teeth are arranged on one side awayfrom the pin shaft, of the corresponding flattening arm. The tissue forceps are convenient to use independently, and extra auxiliary instruments are not needed. The nude mouse pincers are suitable forclinical sterilization methods, can be widely applied to soft tissues with different sizes by changing clamping parts, can be manufactured into different sizes, and is more convenient and wider to use.

The invention provides a device for stretching and fixing intracavity tissues. The device at least comprises a first sucker and a second sucker. The first sucker is connected with a first connecting piece by a first connecting rod, and the second sucker is connected with the first connecting piece by a second connecting rod; the first connecting piece is used for adjusting angles between the firstconnecting rod and the second connecting rod. The device in an embodiment of the invention has the advantages that intracavity non-target tissues can be fixed by the aid of the suckers, accordingly,the target tissues can be exposed, the problem of fatigue due to the fact that existing non-target tissues need to be clipped by assistants in whole intracavity surgical procedures and the assistantsmaintain a single action for a long time can be solved, influence on surgical effects can be prevented, and the problem of tissue injury due to the fact that the existing non-target tissues are clipped by tissue forceps for a long time can be solved; the device can be fed into the body cavities of human bodies via main operation holes or observation holes, at least one assistant operation hole canbe omitted, accordingly, surgical wound of patients can be relieved, and postoperative rehabilitation of the patients can be accelerated.

The invention provides a pair of double-joint tissue forceps with a blocking net of a chain type structure , and belongs to the technical field of medical instruments. According to the double-joint tissue forceps with the blocking net of the chain type structure, the blocking net of the chain type structure can be opened along with movement of a first forceps arm, a first connecting arm, a second forceps arm and a second connecting arm, and the effect of blocking soft tissue around an operation area can be achieved; and the design of the first bend and the second bend at a first handle and a second handle is more beneficial to fitting the tissue, so that the sight is prevented from being shielded during operation.