44results about How to "Does not affect the operation" patented technology

The invention discloses a lower limb traction device for an intramedullary nail surgery. The lower limb traction device includes a bottom beam, a shank support plate, a thigh backup plate, a sliding block, a traction needle, a traction bow and a pulling mechanism, the sliding block is installed on an axial sliding channel on the bottom beam and provided with sliding block locking screws, the shanksupport plate and the thigh backup plate are hinged in a Chinese character 'ren' shape, the lower end of the thigh backup plate is rotatably connected with the head end of the bottom beam, the lowerend of the shank support plate is rotatably connected with the sliding block, thighs and shanks of a patient respectively abut against the upper part of the thigh backup plate and the upper part of the shank support plate, the traction needle penetrates through the far-end of an anklebone or a shin bone of the patient and is connected between the two ends of the traction bow, and the bow back of the traction bow is connected with the tail end of the bottom beam through the pulling mechanism. According to the lower limb traction device, the patient can be kept in the state of curved leg, reliable traction of the shin bone of the patient can be achieved, all parts are not higher than lower limbs of the patient, and surgery operation is not affected; and according to the lower limb traction device, smooth operation of the intramedullary nail implantation surgery of a thigh bone and the shin bone can be ensured, and the surgical quality and the surgical efficiency are improved.

The invention discloses an intervertebral expander for a TLIF (Transforaminal Lumbar Interbody Fusion) surgical channel, and relates to the technical field of medical instruments. The intervertebral expander for the TLIF surgical channel is provided with an expanding gear rack, wherein the expanding gear rack is provided with two expanding arms; at least one expanding arm can longitudinally slide along the expanding gear rack; the expanding arm which can be longitudinally slid along the expanding gear rack is provided with a non-return pawl which cooperates with the expanding gear rack; the two expanding arms are provided respectively with a vertebral pedicle screw sleeve which is used for being connected with a vertebral pedicle screw; the expanding gear rack between the two expanding arms is provided with a traction base; the traction base is provided with a sliding hole; traction screw rods are arranged in the sliding hole; the traction screw rod at the back side of the traction base is provided with a traction nut; the front part of the traction screw rod at the front side of the traction base is provided with a traction hook plate. The intervertebral expander for the TLIF surgical channel is simple in structure and is convenient to use; surgical operation is not influenced; the firm surgical channel can be quickly established.

In order to solve above technical problems, the invention provides a navigation system used for shaft fracture intramedullary reduction. The system comprises a marrow cavity endoscope, an image display module, a computer, an electromechanical control module, and a mechanical traction frame. The image display module is electrically connected between the marrow cavity endoscope and the computer. The electromechanical control module is electrically connected between the mechanical traction frame and the computer. The marrow cavity endoscope acquires image signals of proper positions, and transmits the image data to the computer through the image display module. After the image data is displayed, analyzed and processed on the computer, a displacement instruction is transmitted to the electromechanical control module. The electromechanical control module drives the mechanical traction frame to complete corresponding displacement operation. The system is characterized in that operation is simple, axial alignment and rotation alignment are realized, X-ray radiation damages are prevented, the system monitors reduction state in real time, and is high in precision, and can maintain a satisfied closed reduction state for a long time.

The invention relates to a medical radiation protection device. The medical radiation protection device comprises a barrel-shaped protective frame and a protective cover, wherein the barrel-shaped protective frame includes an upper protective frame and a lower protective frame, the upper protective frame is connected with the lower protective frame, and the upper protective frame can move up and down along the lower protective frame; and the protective cover is disposed on the sidewall of the barrel-shaped protective frame. Through adoption of the medical radiation protection device, non-wearing X-ray protection can be realized, the load of a user is reduced, and the protection effect is improved; and through arrangement of universal casters on the protection device, movement of the deviceby a user is facilitated during operation, operation of hands of the user is not hindered, and simple and convenient use is achieved.

The invention discloses a lower limb resetting device for intramedullary nail surgeries. The lower limb resetting device for intramedullary nail surgeries comprises a rectangular bottom plate, a telescopic shank supporting plate, a thigh backup plate, a kirschner wire and a tensioning bow, wherein the rectangular bottom plate is horizontally placed on an operating bed; the telescopic shank supporting plate is hinged with the upper end of the thigh backup plate; the lower end of the telescopic shank supporting plate and the lower end of the thigh backup plate are respectively hinged with the two ends of the rectangular bottom plate; in surgery, the thigh and the shank of a patient lean against the upper portion of the thigh backup plate and the upper portion of the telescopic shank supporting plate respectively, the kirschner wire penetrates through the far end of the ankle bone or the tibia of the patient, the two ends of the kirschner wire are connected to the two ends of the tensioning bow respectively, and each end of the tensioning bow is connected with the telescopic shank supporting plate through an adjustable support. The patient can be kept in a leg bending state, the tibiaor thighbone of the patient can be reliably pulled, all parts are not higher than the lower limb of the patient, and surgical operation is not affected. The lower limb resetting device can ensure that a tibia or femoral intramedullary nail implantation operation is smoothly carried out, and the operation quality and efficiency are improved.

The invention discloses a laparoscope, hysteroscope and guidewire combined tubal repatancy system, comprising a laparoscope, a hysteroscope, a guidewire combination and a clamping and positioning device; the clamping and positioning device comprises a base, a universal arm, a universal rotor and clamping clamps; the universal rotor is connected with the base through the universal arm, the clamping clamps are fixedly connected with the universal rotor, the universal rotor is provided with an electronic positioning lock, and therefore the universal arm, the universal rotor and the clamping clamps form a positioning mechanism; two groups of positioning mechanisms are arranged on the base; the laparoscope is connected with the corresponding positioning mechanism through one of the clamping clamps, and the hysteroscope is connected with the corresponding positioning mechanism through the other one of the clamping clamps; the guidewire combination comprises a catheter and a guidewire, wherein the insertion end of the catheter is a taper with an opening in the top and the tail end of the catheter is provided with an electronic flowmeter. The laparoscope, hysteroscope and guidewire combined tubal repatancy system has the advantages that the surgical operation difficulty is reduced, the judgment of the position of the guidewire is improved, and the judgment error of the medicinal liquid injection rate is reduced.

The invention discloses a quick release mechanism, an end effector and a robot. The quick release mechanism comprises a first connecting part, a second connecting part rotatably connected with the first connecting part and a buckle, wherein the buckle is provided with a first turning point rotatably connected with the second connecting part, opening and closing between the buckle and the first connecting part are achieved through a connecting rod, and the connecting rod comprises an opening and closing point for being connected with the first connecting part in a matched mode and a second turning point for being rotatably connected with the buckle; and in a closed state, the connecting line of the second turning point and the opening and closing point is located below the first turning point. Rapid locking and unlocking can be achieved, the locking effect is good, operation is convenient, fast and reliable, and surgical operation is not affected.

The invention relates to a combined endoscope surgical instrument which is suitable for endoscopic surgery and allows the endoscope surgical instrument to have two functions. The combined endoscope surgical instrument is characterized in that a combined head is mounted on the shell of the combined endoscope surgical instrument, the combined head is combined by two conventional endoscope surgical instrument heads, the combined head comprises a fixed rod and two different movable rods, a switch and a handle can control the opening and closing of the movable rods so as to perform surgery, and different combined heads can be used on the shell through replacement. The combined endoscope surgical instrument has the advantages that times of instruments entering the body of a patient are reduced, and surgery efficiency is increased.

The invention provides a device for intracranial bypass of aorta and bilateral internal carotid artery. The invention has the advantages that the device for intracranial bypass of the aorta and the bilateral internal carotid arteries can simply carry out temporary blood supply of the bilateral internal carotid arteries and the intracranial blood vessels when the aortic arch is covered by the membrane covered stent through the temporary blood supply channel established by the external bypass tube, and the original blood flow can be restored after the fenestration branch of the membrane coveredstent is reconstructed. The method of extracorporeal bypass is simple, less invasive, does not need to block the internal carotid artery, does not need to interrupt the intracranial blood flow, rarelycauses plaque loss, does not affect the surgical procedures and the incidence of stroke in patients with low.

The invention discloses a miniature in-ear imaging device, and relates to the field of medical detection equipment. According to the specific scheme, the miniature in-ear imaging device comprises an image transmission assembly, a lighting assembly, an imaging module and a display. The image transmission assembly includes a transmission channel, and the two ends of the transmission channel are correspondingly a detection end and an observation end, the lighting assembly is arranged on one side of the observation end of the transmission channel, the lighting assembly includes a lighting light source and a reflector, the reflector is arranged in the extension direction of the transmission channel and is arranged obliquely relative to the extension direction, and the reflector is located in the lighting direction of the lighting light source and reflects light into the transmission channel. The imaging module is arranged on the other side, opposite to the transmission channel, of the reflector, and the imaging module is connected with the display in a signal mode. The miniature in-ear imaging device uses flexible optical fibers, so that the detection effect is improved; the miniature in-ear imaging device can record videos, and the subsequent processing and reference the videos in the later stage is facilitated; and the miniature in-ear imaging device has a good application effectand is further highly economical.

The invention discloses a covering curtain winding device capable of buffering. The covering curtain winding device comprises an inner tube (20), an outer tube (10), and outer seal covers (60), wherein the outer seal covers are used for sealing two ends of the outer tube (10). The covering curtain winding device is characterized in that the inner tube (20) is rotatably connected inside the outer tube (10). A covering curtain is wound on the outer surface of the inner tube (20). A spring set (80) is fixed in the inner cavity of the inner tube (20). A buffering device for slowing down the rotation of the inner tube (20) is disposed between the inner tube (20) and one of the outer seal covers (60). Due to the fact that the winding device is provided with the buffering device, application operations is unaffected during pulling out, the retraction speed is reduced by 1.5-2.0 seconds during retraction, and impact is buffered effectively.

The invention provides a device for intracranial bypass of aorta and left internal carotid artery. The invention has the advantages that the temporary blood supply channel established by the externalbypass tube can simply carry out the temporary blood supply of the left internal carotid artery and the intracranial blood vessel when the aortic arch is covered by the covered stent, and the originalblood flow can be restored after the fenestrated branch of the covered stent is reconstructed. The invention has the advantages that the temporary blood supply channel established by the external bypass tube can be used for covering the aortic arch by the covered stent. The method of extracorporeal bypass is simple, less invasive, no need to occlude the carotid artery, no need to interrupt intracranial blood flow, little plaque loss, no impact on the surgical procedures and the incidence of stroke patients lower.

The invention discloses a renal artery blockage and cold infusion device for laparoscopic surgeries, which comprises a renal artery blockage clip, wherein the renal artery blockage clip is integrated with a renal artery puncture needle, is connected with an infusion tube capable of simultaneously and continuously infusing normal saline or kidney protection fluid of 0 to 4 DEG C to the kidney, and is an ordinary 4cm bent vascular clamp which is widely used for blocking renal arteries in partial nephrectomy at present; the renal artery puncture needle is similar to a vascular sclerosis needle, and consists of a needle core and a sheath; the renal artery blockage clip and the renal artery puncture needle are fixedly connected with each other to be integrated; and the renal artery puncture needle is fixed to the middle part of the front half of the renal artery blockage clip vertically and at 60 degrees to a horizontal direction. The renal artery blockage and cold infusion device has the characteristics of rational design, simple structure, material cost saving, simple operation, capability of effectively reducing haemorrhage in the surgeries, protecting renal function, remarkably prolonging renal blockage time (longer than 1 hour) in the surgeries without damaging the renal function, greatly reducing the risk of laparoscopic partial nephrectomy, extensively developing the laparoscopic partial nephrectomy, and the like.

The invention belongs to the technical field of body surface projection adjustment and motion capture, and particularly relates to a shaft adjustment method facing a body surface projection adjustmentmethod of a minimally invasive surgery. The adjustment method comprises the steps of positioning the sole of the foot, fixing the toe, obtaining the angle change of the foot surface, judging the offset direction and adjusting a hinge shaft. After the thigh, the calf and the foot of a doctor and a device are fixed, by swinging the calf back and forth and intercepting the angle change between the sole of the foot and a foot pad within one swinging period, the positions of the leg axis and the hinge shaft can be judged, the position of the hinge shaft is adjusted automatically, so that the errorbetween the hinge shaft and the axis is within the allowable range, the adjustment process is simple and automatic, the adjustment can be quickly completed, the adjustment time is saved, and the device can adapt to doctors of different postures.

The invention belongs to the technical field of body surface projection adjusting and action capturing, and particularly relates to an adjusting method for minimally invasive surgery body surface projection. The method includes steps: fixing thighs, positioning shank length, positioning feet, acquiring longitudinal coordinates, acquiring horizontal coordinates, and acquiring operation intention. After the thighs of a doctor are fixed and the shank length and the feet are positioned, the longitudinal coordinates are acquired by swinging shanks of the doctor, the horizontal coordinates are acquired by rotating the feet, the operation intention of the doctor is acquired by allowing tiptoes of the doctor to touch a button, the whole process has no impact on surgical operation by hands of the doctor, and assistant handholding of an assistant is not needed, so that surgery continuity is maintained, distraction of the doctor is avoided when projection is adjusted, and surgical efficiency is improved.