59 results about "Bipolar coagulation" patented technology

A bipolar electrosurgical scissors for use in open or endoscopic surgery has a pair of opposed blade members pivotally joined to one another and to the distal end of the scissors itself by a rivet which extends through a insulated bushing member. Each of the blade members comprises a blade support and a blade itself, each fabricated from metal, such as stainless steel. The blades are affixed to their associated supports by means of a suitable adhesive or adhesive composite material such as a fiberglass reinforced epoxy exhibiting dielectric properties. Cutting is performed, steel-on-steel, without causing a short circuit between the two blade supports which themselves function as the bipolar electrodes.

The invention discloses a bipolar coagulation clean cover for brain operation. The bipolar coagulation clean cover is characterized by comprising an one-piece three-finger cover, wherein a clean layer is arranged outside a finger clamp of the one-piece three-finger cover; the clean layer is a frictional surface with spots; a little finger ring cover is arranged at one side of the one-piece three-finger cover; and the length of the little finger ring cover is smaller than the length of the one-piece three-finger cover. The bipolar coagulation clean cover has the advantages that points of bipolar coagulation forceps are rubbed by the cleaning layer at the finger clamp in the operation; adhesion materials on the surface of a cleaner are cleaned, then the cleaned bipolar coagulation forceps can be put into use, thereby greatly reducing the time for cleaning the bipolar coagulation forceps in the whole operation, and the operation speed is improved.

The invention relates to a medical device, in particular to a medical bipolar electric coagulation forceps. The invention is characterized in that one end of a clamp core rod in a clamp head device is connected with an external clamp tube and the other end is fixed on the main body of a lock cylinder by the lock cylinder. An insulation tube is inserted in a support frame. An axis nail is arranged in the insulation tube. An axis nail head is fixed on one end of the axis nail by welding and the other end of the axis nail is equipped with the head of the axis nail which is integrated with the axis nail into a whole. A runner on the back end of the clamp tube device is connected with a rotation axis in a clamp handle device by screw thread. The runner is fixed on the clamp tube device, and the rotation axis is arranged in the front end of the clamp handle device. A poke pin is fixed on the upper end of a back handle in the clamp handle device. The upper part of the poke pin is arranged in the main body of the lock cylinder, and an elongated slot is arranged on the main body of the handle. The medical device has the advantages of reasonable structure and design, being simple to assemble and good insulation effect, which is convenient and reliable to use.

A bipolar coagulation electrode (1) has electrode poles (3a, 3b, 4a, 4b) arranged at a distance from each other and one behind the other in a region of the distal electrode end (2) in the longitudinal profile of the coagulation electrode (1). At least one of the two electrode poles (3a, 3b, 4a, 4b) is built to be electrically conductive and to deliver power over only a portion of its circumference and the remaining portion of its circumference is electrically insulated.

The invention discloses surgical equipment, surgical instrument control equipment and medical equipment, and relates to medical instruments. The surgical equipment comprises a surgical instrument and nerve monitoring electrodes arranged on the outer side of the surgery action portion of the surgical instrument and electrically insulated from the surgical instrument. Due to the fact that the nerve monitoring electrodes are arranged on the periphery of the surgical instrument and can carry out nerve monitoring in real time in the process of performing surgery through the surgical instrument and send out reminding signals automatically and/or stop energy output of bipolar coagulation when getting close to nerves to be protected, the switching frequency of the surgical instrument is reduced and the purpose of protecting the nerves is achieved.

The invention relates to the technical field of medical apparatuses, in particular to an electric-coagulation hemostatic device comprising a body 1 and a head 2, wherein a pair of slots 3 and 4 which are matched with a forceps blade of the common bipolar coagulation forceps is arranged in the body 1, the head 2 comprises a protecting plate 5 and a pair of tissue contact electrodes 6 and 7, wherein the pair of tissue contact electrodes 6 and 7 are fixed on the protecting plate 5, the slots 3 and 4 are respectively connected with the tissue contact electrodes 6 and 7 by metal wires 8 and 9 which are buried into the body 1 and the protecting plate 5, the body 1 and the head 2 form a certain included angle, and the protecting plate 5 and the body 1 are insulators. The protecting plate 5 is used for preventing heat generated from electric coagulation from being quickly transferred to the other side of the protecting plate from one side to destroy spinal dura mater, spinal cord and nerves. The invention has simple structure and convenience for operation, can quickly and definitely carry out electric-coagulation hemostasis on hemorrhagic spots of epidural spaces in spinal operation and increase operation safety.

The invention belongs to the technical field of medical treatment, and particularly relates to a bipolar coagulation forceps with a knife. The bipolar coagulation forceps comprises a handle and is characterized in that a sleeve is arranged on the handle and can axially move, a knife rod and two forceps rods are parallelly arranged in the sleeve in a penetrating manner, the forceps rods are fixed with the handle, forceps heads are arranged at the outer ends of the forceps rods, a blade is arranged at the outer end of the knife rod, a power supply structure is arranged on the handle, the knife rod and the forceps rods are made of conducting materials and connected with the power supply structure, a big trigger is arranged hinged to the handle, the inner end of the big trigger is connected with a first transmission mechanism, the first transmission mechanism can push the sleeve to axially move when the big trigger rotates, so that the actions of the forceps heads are controlled, a small trigger is hinged on the handle, the inner end of the small trigger is connected with a second transmission mechanism, and the second transmission mechanism can control the knife rod to move along the axial direction of the sleeve when the small trigger rotates. The bipolar coagulation forceps has the advantages that the forceps controls clamping of the forceps heads and cutting of the blade through cooperation of the big trigger and the small trigger and is simple to operate, and power is automatically connected in the cutting process.

The invention discloses a disposable self-destruction protecting device for medical bipolar coagulation forceps, comprising a plug and a socket, wherein the socket is electrically connected to the power supply input end of the medical bipolar coagulation forceps in a non-detachable manner and mainly comprises a jack base, a spring, a brake lining and a pin roll; the jack base is provided with a slideway and a jack in which the plug is inserted and connected; the slideway is axially equidirectional with the jack; the pin roll is axially and movably inserted into an opening of the jack, which is opposite to the plug; the surface of the pin roll is fixedly connected with one end of a separation blade; the separation blade is positioned in the slideway and can axially move relative to the slideway; the other end of the separation blade can extend out and retract into an opening of the jack, which faces to the plug; the spring is elastically pressed against one side of the brake lining; the other side of the brake lining can be elastically pressed against the other end of the separation blade; and the other end of the separation blade can leave from the other side of the brake lining, so that the brake lining can be used for closing one opening of the jack, which faces to the plug. The self-destruction protecting device has a simple structure; and According to the self-destruction protecting device, stable and reliable operation of operation instruments can be ensured, pollution can be reduced and disposable specification is really realized.

The invention relates to a control method for detection and protection of high-frequency surgical equipment, and belongs to the technical field of medical products such as high-frequency electric knives and radio-frequency knives. The method comprising the following steps: step 1, acquiring a voltage signal Vout of a current human tissue, a current signal Iout of the current human tissue and a resistance signal dout of a current starting resistor, and acquiring a pat voltage signal through an oscillation feedback circuit; step 2, judging whether a single-pole output mode or a double-pole output mode is adopted according to whether the dout signal is in a high level or not or whether a double-pole pedal outputs or not, and if the dout signal is in the single-pole output mode, executing step 3; and if yes, executing the step 12. The safety of the negative plate can be ensured, and the timely blood coagulation requirement can be met; and the bipolar coagulation device is suitable for a pedal mode and an automatic control mode during bipolar coagulation, can output small power to coagulate when two forceps tips are short-circuited or two ends of the forceps detect low resistance values, and can cut off the output when coagulation is completed in a self-starting mode.

The invention relates to the mini-invasion medical cosmetic technology and the field of medical equipment, in particular to device and method for finely beautifying the skin, improving the mini-invasion skin-lifting technology and lifting pendulous skin by the combination of multifunctional rowed pins and the diathermocoagulation technology. The device integrates multifunctional rowed pins, a handle, a needle threader, a wire and a host into a device for lifting the pendulous skin. The method combines multifunctional rowed pin multi-ring arranging lines with the high-frequency bipolar coagulation and direct current electrochemical technology for lifting the pendulous skin and mainly solves the related technical problems of improving a mini-invasion skin wrinkle remover, related medical equipment, and the like. The invention has the advantages that large-area skin can be evenly lifted and tightened on the same level by the rowed pins so that the skin has greater pressed area, evener and firmer lifting force and longer maintenance time, the subcutaneous tissue is contracted and solidified, and mechanocyte and fiber tissue are proliferated to form subcutaneous tissue adhesion.

The invention relates to a water dropping accessory of bipolar coagulation tweezers for the brain department. A water dropping accessory device is additionally arranged on a pair of ordinary bipolar coagulation tweezers for the brain department, two P-shaped clamping grooves are clamped to two tweezer legs of the bipolar coagulation tweezers respectively, and two water dropping hoses pass through the P-shaped clamping grooves. The P-shaped clamping grooves are driven to be overlapped or staggered through elastic force of the bipolar coagulation tweezers so as to start or stop water dropping. When the pair of bipolar coagulation tweezers is folded to perform fulguration on tissue, water dropping is started; when the pair of bipolar coagulation tweezers is loosened, water dropping is stopped. The two water dropping hoses are fixed to the bipolar coagulation tweezers through the clamping grooves, and the tail ends of the water dropping hoses are connected with an infusion bottle. The infusion bottle is hung in a high position to generate gravity difference so as to achieve water dropping. The water dropping accessory of the bipolar coagulation tweezers for the brain department has the advantages that electric coagulation eschars are effectively reduced; water dropping can be controlled; a pair of special water dropping bipolar coagulation tweezers does not need to be purchased additionally, and thus medical cost is reduced; the view field of microsurgery is not affected; the water dropping accessory is simple in structure, favorable for mass production, easy and convenient to operate and disposable.

The present invention relates to a linear bipolar electric coagulator which comprises a pair of electric coagulating heads (1), wherein, each electric coagulating head (1) consists of an electrode head (2), an electrode cover (5) and a forceps head cover (3); the back of the electrode head (2) is expanded to be covered inside the electrode cover (5); the back of the electrode cover (5) is expanded to form the forceps head cover (3). The electric coagulating heads (1) are sheathed at a forceps head of various kinds of biting forceps to be penetrated into the operation cavity for the electric coagulating hemostasis of various kinds of positions. The linear bipolar electric coagulator of the present invention can be matched with the biting forceps of various kinds of shapes and is fit for the electric coagulating hemostasis of each position inside nose and skull base, which has the advantages of simple structure and low cost and being one-off and convenient for using.

The invention discloses a bipolar electric coagulation forceps positioning device based on binocular optics and a method thereof, and relates to the field of biomedical engineering. The purpose of theinvention is to solve the problems that an existing medical image provides an operation map for an operation, the specific operation of the operation is completed by double poles, but inaccurate positioning of the double poles may damage a brain functional area of a patient and incomplete excision of other intracranial important tissues. The method comprises the following steps: constructing a coordinate system for a binocular camera, and setting space coordinate points of a recognizer marker in the coordinate system constructed for the binocular camera; calculating the coordinates of the bipolar tip at the fixed position under the coordinate system of the binocular camera; calculating coordinates of the bipolar tip in a local coordinate system of a positioning rigid body; and calculatingthe coordinates of the bipolar tip in an open state in a coordinate system constructed by the binocular camera by using the calculation result of the position of the bipolar tip and combining the position of the positioning rigid body local coordinate system in the coordinate system constructed by the binocular camera, and calculating the tip coordinates in a closed state from the midpoint of theconnecting line of the two tips in the open state. The device and the method are suitable for biomedical engineering.

The invention relates to a composite bipolar coagulation aspirator for keyhole surgery. The composite bipolar coagulation aspirator for the keyhole surgery comprises an aspirator body (1), a bipolar coagulation probe (2), a push-and-pull button (3), an electric wire (4), a suction device (5) and a system power source (11). The aspirator body (1) is formed by a suction pipe (6), a control portion (7), a hand-held portion (8) and a connecting end (9), wherein the suction pipe (6), the control portion (7), the hand-held portion (8) and the connecting end (9) are connected in sequence and formed in an integrated mode. A through hole is formed in the aspirator body (1). A probe groove (13) is formed in the suction pipe (6). The bipolar coagulation probe (2) is arranged in the probe groove (13). A suction adjusting hole (10) is formed in the control portion (7) and communicated with the through hole formed in the aspirator body (1). A sliding groove (12) is formed in one side of the control portion (7). By the adoption of the composite bipolar coagulation aspirator for the keyhole surgery, the labor intensity of the surgery conducted by a doctor is greatly relieved, operation conducted by the doctor is convenient, and surgery time is saved.

The invention relates to the field of medical instruments, and particularly relates to bipolar electric coagulation forceps capable of being cut under an endoscope. The bipolar electric coagulation forceps comprise a fixed handle, a movable handle, an outer tube, a forceps head and an electric connector, wherein the outer tube is rotationally arranged on the fixed handle, the far end of the outer tube penetrates through the fixed handle to be provided with the forceps head, a forceps head push piece is arranged in the outer tube, one end of the forceps head push piece is in transmission connection with the forceps head, the other end of the forceps head push piece extends out of the outer tube to be located in the fixed handle, the movable handle is rotationally connected with the fixed handle, and the movable handle is in transmission connection with the forceps head push piece; the forceps head and the forceps head push piece are electrically connected to the electric connector, the electric connector is located outside the fixed handle, and the electric connector is used for being connected to a high-frequency electrotome main machine; and a smoke inlet is formed in one end of the outer tube, and the other end of the outer tube communicates with a smoke suction tube through a rotary sealing assembly. The bipolar electric coagulation forceps are reasonable in structural arrangement, good in electric coagulation effect, safe to use, beneficial to smoke removal and capable of ensuring clear operation view.

The invention relates to a neuro-intervention micro-guide wire bipolar electrocoagulator. The bipolar electrocoagulator comprises a variable-diameter mandrel, a spring electrocoagulation head, an insulating protective layer, a hydrophilic coating, a spiral wire core and an annular electrocoagulation head; the variable-diameter mandrel is composed of a near-end linear equal-diameter section, a streamline variable-diameter section, a far-end linear equal-diameter section, a conical spring sleeving part and a nut-shaped welding point; the insulating protective layer covers the side surface of thevariable-diameter mandrel, and the spiral wire core is located in the insulating protective layer; the upper end of the spiral wire core is connected with an electrocoagulation wire connector, the lower end of the spiral wire core is connected with the annular electrocoagulation head, and the insulating protective layer is coated with the hydrophilic coating. The bipolar electrocoagulator has theadvantages that the electric quantity used by the bipolar electrocoagulator is low, the heat effect is small, and deep damage is avoided; the bipolar electrocoagulator has the characteristics of conductivity, precision, small action range, flexibility and torsion controllability of a bipolar electrocoagulator; the design of the insulating protective layer prevents normal structures of the human body from being injured; the hydrophilic coating improves the compatibility with blood, the smoothness in small blood vessels is improved, and the intervention operation is easier to carry out.

The invention discloses a disposable self-destruction protective device for a medical bipolar electric coagulation forceps, relating to the technical field of medical equipment; two insulating baffles are symmetrically arranged, in a splayed way, on a base at the front ends of two jacks, the lower ends of the insulating baffles are articulated respectively through pin shafts protruding at the front end of the base, and a return torsional spring is arranged between each baffle and the corresponding pin shaft; a vertical hole is arranged above the two jacks at the front end of the base respectively, each of the vertical holes is internally provided with an insulating L-shaped limiting block, a spring is arranged between the upper end of each L-shaped limiting block and the base, one end of each L-shaped limiting block stretches into the corresponding jack, the tail end of the L-shaped limiting block at this end is provided with an inclined plane towards the front end of the base, the lowermost end of the inclined plane does not surpass half of the corresponding jack; and the other end of each L-shaped limiting block is integrally provided with a baffle block towards the front end of the base, and the baffle blocks are respectively arranged at the upper ends of the baffles towards the corresponding jacks. The device can ensure safe disposable use of the medical bipolar electric coagulation forceps objectively.

The invention discloses a minimally invasive soft hydraulic bipolar electrocoagulator. The minimally invasive soft hydraulic bipolar electrocoagulator comprises a bipolar electrocoagulator head, a bipolar wire, a water tube rod, a fiberoptic endoscope, a manually-controlled hydraulic accessory and an electrocoagulator straight apertural plug which is located on the water tube rod; one end of the water tube rod is connected with a water bag, and the other end of the water tube rod is connected with the manually-controlled hydraulic accessory; the bipolar electrocoagulator is put into a steeringsoft aspirator capable of maintaining negative pressure,, and the bipolar electrocoagulator head is opened and closed to clamp target tissue and conduct electrocoagulation hemostasis under negative-pressure aspiration. According to the minimally invasive soft hydraulic bipolar electrocoagulator, a traditional hard mechanical force conduction mode is changed, flexible hydraulic pressure is adopted, the electrocoagulator can penetrate through a straight or arc guiding apparatus, and is operated under the assistance of the soft/hard fiberoptic endoscope and a microscope, the spatial positions ofa main aspirator body and the guiding apparatus do not need to be repeatedly adjusted, only the position and direction of the head of the aspirator need to be adjusted, in this way, the spatial position of the bipolar electrocoagulator head is controlled, the operation difficulty is lowered, physical traction and compression on the nerves, blood vessels and other tissue of the deep brain part arereduced, and complications in a perioperative period are reduced.

The invention relates to a neurosurgery department operating table movable instrument placement device, and belongs to the technical field of medical apparatus and instrument ancillary facilities. The device is composed of a placement bag, device split-charging bags, fixing belts, an adjustable buckle, a concave fixing clamp, a locking screw and a fixing liner plate. The placement bag is fixedly installed on one side of the fixing linear plate. The two fixing belts are fixedly arranged on the other side, the other ends of the fixing belts are connected to one side of the concave fixing clamp through the adjustable buckle, and the locking screw is arranged on the other side of the concave fixing clamp. The length of the fixing belts can be adjusted through the adjustable buckle, pay-off and take-up of the fixing belts can be rapid, the device can adapt to operating tables of various sizes, the multiple device split-charging bags are formed on the placement bag, circuit winding and collisions of surgical instruments with pipelines are avoided, and installing, fixing and using are convenient. The problems that an existing neurosurgery department operating table operating tray is limited in area, other instruments such as bipolar coagulation scalpels, electric scalpels and aspirators cannot be placed, so that surgical instruments are not convenient to place, and tools are taken in a troublesome mode are solved.

A self-destruction device of medical unipolar and bipolar electric coagulation forceps for disposable use relates to the technical field of medical equipment. A jack base is transversely and symmetrically provided with two jacks. The device is characterized in that the jack base between the two jacks is provided with a horizontal groove; the horizontal groove is internally provided with one supporting spring and two sliding blocks; the two sliding blocks are respectively arranged at both ends of the supporting spring and respectively keep out the corresponding jack at a position which is 1/10-1/2 of the diameter of the jack; the jack base below the two jacks is provided with a vertical groove; the vertical groove is internally provided with a spring and a catch; one end of the catch is arranged above the spring, and the other end of the catch is arranged below the corresponding jack; and one upper side of the catch presses below the corresponding sliding block. The self-destruction device is simple and reasonable in structure, convenient to produce and manufacture and beneficial to reducing cost for disposable use.

The invention provides a novel double-pole electrocoagulation device. The novel double-pole electrocoagulation device is characterized in that the rear part of each electrocoagulation body is provided with a groove and a pair of scissors; and the grooves and scissors on two electrocoagulation bodies are mutually matched and can be overlapped. The double-pole electrocoagulation device does not cause any damage to patients, can gradually shear the electrocoagulated tissues while gradually moving forwards to work, has the advantages of simple structure, low cost, convenience in use and operation, high working efficiency and good quality, and is especially suitable for primary hospitals without ultrasonic knives. By using the double-pole electrocoagulation device in the operation, the labor intensity of operators is reduced, the operation time is also reduced, the infection probability of patients is also reduced, and the pains of patients are obviously reduced.