34 results about "Resective surgery" patented technology

A fluid management system for use in a tissue resection procedure includes a controller. An inflow pump is operated by the controller and configured to provide fluid inflow through a flow path to a site in patient's body. An outflow pump is operated by the controller and configured to provide fluid outflow through a flow path from the site in patient's body. A motor driven resecting device may be provided for resecting tissue at the site. The controller is configured to actuate an inflow pump and an outflow pump in response to various signals and various algorithms are provided to provide malfunction warnings and assure safe operation.

Post-surgical medical device for quadrectomy, mastectomy and/or mammary surgery, comprising a support and containing corset divided into at least two parts, respectively front part and rear part, tightened about patient thorax, said corset supporting a cups bra, and providing at least two bandage bands that are passed about the patient thorax, crossing them many times, to be finally fixed giving the proper containment function without using adhesive tapes.

The invention discloses an irrigation and disinfection device used for tumor resection operation instruments. The irrigation and disinfection device comprises a disinfection box, a door panel, a storage board, a nozzle and a layering board; the layering board is horizontally arranged near the bottom end in the disinfection box; the surface of the layering board is provided with meshes; the upper surface of the layering board is horizontally provided with a support rod; one end of the support rod is fixedly connected with the inner side wall of the sterilization box, and the other end of the support rod is not in contact with the other side wall of the sterilization box and is welded to a limiting block; the inner wall of the end, close to the limiting block, of the disinfection box is rotationally provided with the door panel sealing an opening; the door panel is rotationally connected with the disinfection box; the two sides, adjacent to a fixture block, of the door panel are each fixedly connected with a second fixing rod; and the two sets of second fixing rods symmetrically distributed on the two sides of the door panel are rotationally connected with the inner wall of the disinfection box. The irrigation and disinfection device used for the tumor resection operation instruments has a reasonable structure, does not require manual disinfection and irrigation, ensures hygieneand tidiness, and can be widely used.

The invention relates to a rotary resection operation device. The rotary resection operation device comprises an outer sheath tube (1), an inner sheath tube (2), a water inlet (3), a water outlet (4)and a cable (6). The rotary resection operation device further comprises a rotating shaft (7) and a motor (501), wherein the rotating shaft (7) can be driven by the motor (501) to rotate, and a resection ring is arranged at the tail end of the rotating shaft (7). The outer sheath tube (1) and the inner sheath tube (2) are nested with each other, and the rotating shaft (7) is positioned in the inner sheath tube (2).

The invention provides a chest strap for the postoperative recovery of breast cancer surgery. The chest strap comprises a front part and is characterized in that the positions, corresponding to the left breast and/or the right breast of a human body, of the front part are provided with a plurality of tightly-arranged air bags, the arrangement shape of the air bags is adaptive to the shape of the breasts, and each air bag is provided with an inflating valve. The chest strap has the advantages that a patient can inflate the air bags at the corresponding positions according to the cut positions of the breasts, and the inflated air bags provides pressure to the breast cuts to prevent postoperative infection; the elastic pressure generated by the air bag inflation is good in flexibility and does not affect respiratory movement; the chest strap is suitable for the postoperative recovery of the patient with part of mammary glands being cut off.

The invention provides a method for establishing a tumor excision margin distance field model, and aims to solve the problems of high surgical risk and long surgical time in a liver tumor excision process in the prior art. The invention provides a method for defining a tumor incisal margin distance field, which comprises the following steps of: S1, acquiring imaging data of a patient, and establishing a model of a relative position relationship between a tumor and each tissue; s2, calling relative position information between the tumor and each tissue to judge the resection property of the tumor, if so, entering step S3, and if not, ending; s3, establishing an envelope surface according to the outer contour information of the tumor surface; and S4, determining a cutting edge surface and an edge distance field according to the envelope surface. The model is established to simulate the relative position relation of the tumor in the human body, and meanwhile, the risk in the operation is reduced, and the operation duration is shortened. The invention further discloses application of the defining method of the tumor excision margin distance field to positioning of the distance between a scalpel and a tumor in the liver resection operation process. The invention further discloses a system for establishing the tumor incisional margin distance field.

The invention discloses a biomarker or a biodegradation product thereof for epilepsy prediction, diagnosis, treatment and prognosis evaluation. The protein is named as Hemoglobin subunit beta, and theencoding gene of the biomarker is HBB. Particularly, the invention relates to a proteomic screening and detection method for a Hemoglobin subunit beta protein or a biodegradation product thereof. Results of the method show that before and after epilepsy primary lesion resection operation of a patient suffering from epilepsy, the contents of Hemoglobin subunit beta or biodegradation products thereof in serum are remarkably different (as shown in the figure 1 accompanying the abstract). The biomarker protein Hemoglobin subunit beta or the biodegradation product thereof disclosed by the invention has great significances in fields such as epilepsy research, prediction, diagnosis, treatment and prognosis evaluation.

The invention discloses a non-intubation general anesthesia pulmonary lobectomy system based on robot assistance, and particularly relates to the technical field of operation anesthesia. The non-intubation general anesthesia pulmonary lobectomy system comprises a human body, a nerve block set or an epidural puncture bag, and a laryngeal mask; and the human body is connected with an ultrasonic instrument used for guiding lower thoracic paravertebral nerve block or thoracic epidural block, a BIS monitor used for monitoring the sedation depth of a patient, an invasive arterial monitor used for monitoring arterial blood gas of the patient, and a conventional monitor used for monitoring vital signs of the patient. Through thoracic paravertebral nerve block or epidural block, good unilateral orbilateral analgesia can be provided, sympathetic nerve tension is lowered, the dosage of general anesthetics, especially opioids is decreased, complications of trachea intubation general anesthesia ofthe patient of pulmonary lobectomy under assistance of a Da Vinci robot are reduced, the patient can fall asleep through general anesthesia, trachea intubation is replaced with the laryngeal mask, the postoperation satisfaction of the patient with general anesthesia is better, and postoperative rehabilitation of the patient of the chest department is promoted.

The invention discloses a use method of a novel mammary gland resection device and related equipment of the novel mammary gland resection device, and particularly relates to the field of mammary gland resection surgeries. The use method of the novel mammary gland resection device comprises the following steps that S1, preoperative preparation is carried out: a patient lies in a horizontal position on the neck, the head deviates towards the uninjured side, the upper limb of the affected side naturally extends outwards by 90 degrees to expose and fix the armpit, and a conventional disinfection towel is laid; S2, a mechanical traction support large piece and a screw drag hook are installed on the bedside, after general anesthesia, a 4cm natural fold incision is selected in the armpit, an incision is appropriately formed in the outer side edge of the lower pectoralis major muscle of the armpit, and an assistant drag hook assists a lower electrotome in dissociating and cavity building. According to the scheme, a endoscopic surgery has the effect of magnifying and clearing the visual field, for the patient, on the basis that the curative effect equal to that of an open surgery is obtained, it is guaranteed that the chest of the patient is free of any scar, the beautifying effect is excellent, for the surgical operation, in the surgical operation, the patient enters from the side direction of the mammary gland, more convenient angles and ways are provided for identifying and protecting other tissues in the mammary gland, and high feasibility and safety are achieved.

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 relates to an included angle between transverse sinus and sinus sigmoideus, which comprises the following steps of: (1) scanning a skull thin layer of a patient to obtain data; (2) importing the data into software to obtain a 3D image; (3) finding an included angle position of a transverse sinus and a sigmoid sinus on the inner side surface of the skull, and carrying out small hole positioning by utilizing a software tool; (4) adjusting the image to obtain images of the brain and skin muscles; (5) connecting the midpoint of the zygomatic arch and the midpoint of the external auditory canal and lengthening; (6) drawing a vertical line from the small hole as an original point to the extension lines of the midpoint of the zygomatic arch and the midpoint of the external auditory canal, and intersecting, wherein the intersection point is a point C; (7) respectively connecting the small hole with the midpoint of the zygomatic arch and the midpoint of the external auditory canal; and (8) measuring each included angle between transverse sinus and sinus sigmoideus by using software, and performing resection operation on the tumor. According to the method, the sinus sigmoideus-transverse sinus angle can be accurately positioned, the craniotomy speed and tumor excision efficiency of the bridge cerebellar horn tumor are remarkably improved, and technical support is provided for bridge cerebellar horn tumor excision.

The invention belongs to the technical field of orthopedic equipment, and particularly relates to a universal vertebral body resetting device for orthopedic spinal surgery. The universal vertebral body resetting device aims to solve the problems that at present, only left-right resetting operation, front-back resetting operation and the like can be realized in the transverse direction unilaterally, and the surgical experience of a patient is poor. According to the scheme, the universal vertebral body resetting device comprises a base, a stabilizing frame is arranged on the outer wall of the top of the base, an air cylinder is arranged on the outer wall of the top of the stabilizing frame, a fixing frame is arranged at the top end of the air cylinder, a chest pad is arranged on the outer wall of one side of the fixing frame, movable arms are connected to the outer walls of the two sides of the fixing frame through hinges, one end of one movable arm is connected with a buckle plate through a hinge, and one end of the buckle plate is clamped with one end of the other movable arm. According to the universal vertebral body resetting device, under the condition that the upper half body is guaranteed to be fixed, the pulling stress between the vertebral bodies of the spine of the patient is reduced through auxiliary supporting, targeted excision is carried out after the device is adjusted to the most proper position, and the smooth operation of the lesion vertebral body excision surgery is effectively guaranteed.

The invention discloses a surgical instrument for fixing sick tumor excision surgical incision. The surgical instrument comprises a moving body and two fixed supporting bodies which are symmetrical left and right, wherein a connecting body is fixedly installed between the two fixed supporting bodies, lifting cavities with openings facing the moving body are formed in the two fixed supporting bodies, lifting blocks are arranged on the inner walls of the lifting cavities in an up-and-down sliding mode, a square sliding column is fixedly installed between the two lifting blocks, and the moving body is arranged on the periphery of the square sliding column in a left-and-right sliding mode. Sleeves and pull rods are adjusted to be rotated to a horizontal state through folding movement of a first connecting rod, a second connecting rod and a third connecting rod, so that pull hooks pull open surgical incision skin, when the first connecting rod rotates, pull ropes are controlled to be tightened, the pull hooks are pulled towards the side away from tumor to pull open the incision skin completely, and the stabilizing effect is achieved.

The invention discloses a gastrointestinal surgery balloon navigation system with endoscope visibility and pressure detection, which comprises a main through pipe; one end of the main through pipe is sleeved with a balloon; an auxiliary pipe is arranged on the outer wall of the top of the main through pipe; a pressure sensor is fixedly connected to the outer wall of the top of the auxiliary pipe; the output end of the pressure sensor is connected with a sensor signal line; the sensor signal line is located in the auxiliary pipe; the end, away from the pressure sensor, of the sensor signal line is connected with a digital display mechanism; a mounting hole is formed in the bottom end of the main through pipe; a side through pipe is inserted into the inner wall of the mounting hole; and the end, away from the main through pipe, of the side through pipe is sleeved with an inflation injector. According to the invention, doctors can complete the stomach resection operation through comprehensive data; and navigation guidance is provided for more accurate stomach resection.

The invention discloses a dilator for thyroid resection through oral vestibule combined with subchin approach, which comprises an adjusting bracket suitable for upward view of the head of a patient, and an expanding and supporting mechanism for exposing the oral vestibule and neck operation channel of the patient is slidably mounted on the adjusting bracket; stand columns of an adjusting support are symmetrically installed on the upper surface of a headrest plate, flexible rotating mechanisms are installed at the tops of the stand columns, the two ends of a rotating plate are connected with the rotating ends of the two flexible rotating mechanisms respectively, and a nipper is horizontally arranged and rotationally installed at the top of the rotating plate. The expanding mechanism comprises a hand-held part and expanding parts, the upper portion of the hand-held part is in sliding connection with the nipper, and the expanding parts are installed on the middle portion and the lower portion of the hand-held part. According to the distraction device, rapid distraction of an operation channel is facilitated, the operation time is saved, waste and consumption of energy of operation personnel are avoided, the distraction effect and stability of the operation channel are improved, the operation of the operation personnel is facilitated, the process and accuracy of resection operation are improved, and excessive secondary trauma to a patient is greatly avoided.