303 results about "Operative incision" patented technology

The invention provides a compound phospholipid gel sustained release preparation and a preparation method thereof. The preparation mainly comprises a local anesthetic, a non-steroidal anti-inflammatory drug, phospholipid and water for injection. The preparation can be injected around a surgical incision or directly instilled or coated at the surgical incision to achieve the purpose of long-acting analgesia, and is used for postoperative analgesia.

The invention relates to the technical field of thoracoscope lens cleaning, in particular to a thoracoscope lens cleaning device which comprises a thoracoscope used for collecting images of a surgical site in real time; the supporting tube is used for supporting the thoracoscope to enter a surgical incision; the cleaning mechanism comprises a decontamination cover, a cleaning pipe and a cleaning base and is used for cleaning the lens; the negative pressure suction mechanism comprises a smoke suction pipe, a plurality of smoke suction holes and a siphon opening; the data acquisition module is used for acquiring an incident light spectrum and a transmission light spectrum of the lens in real time; and the control mechanism is used for determining the resolution of the image so as to judge whether to start to clean the lens and the qualification of the cleaning effect of the lens, determining the distribution mode and the pollution index of pollutants based on the comparison result of the incident light spectrum and the transmitted light spectrum so as to determine the cleaning mode, and determining the cleaning parameters of the lens based on the pollution index. The cleaning efficiency of the thoracoscope lens is improved.

The invention discloses a surgical incision dilator. The surgical incision dilator comprises a dilating part, a positioning strip and a dilating mechanism, the two groups of expansion pieces are horizontally arranged, the two ends of the two groups of expansion pieces are hinged to the same hinge piece respectively, and the two groups of expansion pieces can deform outwards in the middle positions of the expansion pieces under the action of external force; the positioning strip is arranged between the two hinging pieces, the two ends of the positioning strip are detachably connected relative to the hinging pieces, and the length of the expansion piece can be kept unchanged in the longitudinal position of the surgical incision in the deformation process of the expansion piece; the expansion mechanism is arranged on the positioning strip and used for applying external force capable of enabling the expansion piece to deform to the expansion piece, so that the expansion piece expands the surgical incision in the transverse position of the surgical incision; according to the surgical incision expander provided by the invention, the area of a part in contact with a surgical incision is increased, so that the expanded range of the surgical incision is expanded; after the surgical incision is expanded and fixed, the expansion mechanism can be detached to provide the maximum surgical space.

The invention relates to the field of demonstration teaching aids, in particular to a pediatric orthopedic repair demonstration box which comprises a box body, a front chamber is formed in the middle of the front side of the box body, silos are rotationally connected to the upper portion and the lower portion in the front chamber, and mounting discs are mounted on the inner sides of the ends, close to each other, of the silos. The ends, close to each other, of the mounting discs are fixedly connected with a plurality of simulation blood vessels, electric heating wires are arranged in the simulation blood vessels, the ends, away from the simulation blood vessels, of the mounting discs are fixedly connected with power connection bins, and the power connection bins are used for supplying power to the electric heating wires in the simulation blood vessels; according to the device, how to avoid the main blood vessel of the leg when a surgical incision is formed in a fracture point can be trained, the actual surgical condition is simulated, the surgical scene is highly restored, the practical training pertinence is improved, and the practical training efficiency is improved. And the operation opening proficiency of people is trained.

An incisional instrument and method of use for creating accurate, reproducible surgical incisions. An exemplary embodiment includes an incisional instrument configured for attachment to a patient's eye and for use performing arcuate limbal relaxing incisions (LRIs). The incisional instrument is made up of two coaxial, interconnecting pieces: a docking piece and a cutting piece. The docking piece includes a suction mechanism and is configured for being secured to a patient's eye just outside the corneal limbus. The cutting piece is configured to fit flush within the docking piece and includes cutting blades and one or more handles for rotating the cutting piece relative to the docking piece. When assembled, the cutting blades extend into a patient's eye a desired LRI depth. An embodiment further includes an arcuate guide template with stoppers for providing lateral, arcuate stops for precise cuts in the desired LRI locations. An LRI method includes the steps of utilizing the incisional instrument in an ophthalmologic LRI procedure.

The utility model discloses a pair of orthopedic spinal operation tissue distraction forceps in the technical field of medical equipment, which comprises a fixing mechanism, a distraction adjusting mechanism is mounted at the upper end of the fixing mechanism, distraction mechanisms are mounted on the surface of the distraction adjusting mechanism, and the two groups of distraction mechanisms are symmetrically distributed; according to the scheme, through the structural arrangement of the fixing mechanism, the distraction adjusting mechanism and the distraction mechanisms, after the device is installed on one side of a sickbed through the fixing mechanism, the two distraction mechanisms are controlled to operate synchronously through the distraction adjusting mechanism, and after the two distraction mechanisms are inserted into a surgical incision of a patient, the surgical incision can be distraction towards the two sides; according to the surgical incision distraction device, the area in a surgical incision is exposed, operation of medical staff is facilitated, and when the fixing mechanism is fixed, the mounting height, position and distraction direction of the distraction mechanism can be adaptively adjusted, so that the surgical incision distraction device is adaptive to surgical incisions of different shapes and sizes.

Oral surgery collaborative surgical field exposure assistance surgical robot and control method, comprising two 6-degree-of-freedom robotic arms, two force-sensing surgical retractor assemblies and a main control computer. The force-sensing surgical retractor assembly includes a force-sensing surgical retractor, and there is a contact sensor inside the end cover plate of the force-sensing surgical retractor. The force-sensing surgical retractor is connected to the end of the robotic arm through a surgical retractor connecting piece. There are drag mode interaction and reference force adjustment interaction on the main control computer. The present invention is used to assist doctors in continuously retracting the surgical incision. The doctor only needs to place the surgical retractor at the initial position of the target area, input the reference retraction force on the interaction interface, and turn on the control system. The robot drives the force-sensing surgical retractor to safely and stably retract the surgical incision. For the convenience of doctors' operation and to ensure human-machine safety, the present invention has designed control strategies such as detailed modeling analysis, torque compensation, active retraction compensation, and safety threshold for the surgical retraction process.

The invention relates to the technical field of medical supplies, and discloses a microcapsule controlled-release medical dressing and a preparation method thereof.The microcapsule controlled-release medical dressing comprises a base cloth layer, a microcapsule layer arranged on one side of the base cloth layer and a protective layer covering the microcapsule layer; the microcapsule layer is composed of a plurality of drug-loaded microcapsules, each microcapsule is composed of a wall material and a core material, the core material is a wound treatment drug, and the wall material is a modified chitosan-sodium alginate composite wall material; the base cloth layer is a polyurethane non-woven fabric with air holes, and the protective layer is a degradable hyaluronic acid film. The microcapsule is suitable for various types of wounds, such as surgical incisions, burn wounds, chronic ulcers and the like, different wound treatment requirements can be met by adjusting the types of antibiotics in the microcapsule, the crosslinking degree of the wall materials and the drug loading capacity, and the microcapsule has a wide clinical application prospect.

The invention discloses a surgical incision protection device for thoracic surgery patients, and relates to the technical field of medical instruments, the surgical incision protection device comprises a body mechanism, the body mechanism comprises a protection box, an adhesive tape main body is arranged in the protection box, two elastic belts are fixedly mounted on the outer surface of the protection box, and a box cover is slidably connected in the protection box; a processing mechanism is arranged above the protection box; the treatment mechanism comprises a removal unit, the removal unit is located above the protection box, the removal unit is used for removing the adhesive tape main body in a shaking mode, and the device is provided with the removal unit, so that when the device removes the adhesive tape main body, hot air is conveyed to the connecting position of the adhesive tape main body and the skin of a patient; the adhesive tape main body is slightly shaken in the dragging process, so that the adhesive tape main body is conveniently separated from the patient, the viscosity between the adhesive tape main body and the skin of the patient is reduced, and the phenomenon that the incision of the patient is dragged when the adhesive tape main body is removed is avoided.

The utility model discloses a skin pulling operation incision protection device, which belongs to the technical field of skin pulling operations, and comprises a protection cover, the left side surface and the right side surface of the protection cover are fixedly connected with hanging lugs, the outer surface of each hanging lug is fixedly connected with a lacing belt, the inner side wall of the protection cover is fixedly connected with two protection pressing plates, and the protection pressing plates are fixedly connected with the protection cover. One ends, close to each other, of the two protective pressing plates are fixedly connected with bonding pastes, one side surfaces, close to each other, of the two protective pressing plates are provided with grooves, and by arranging the protective cover, the protective pressing plates, the bonding pastes, ice compress grooves, air holes, lacing belts, hook-and-loop fasteners and hook-and-loop fasteners, wound medicine pastes can be adhered to the protective pressing plates through the bonding pastes; through cooperation of the lacing belt, the hook-and-loop fastener and the hook-and-loop fastener, the protection cover can be tightened, extrusion medicine applying on the incision of the skin pulling operation is achieved, ice compress treatment on the incision of a patient is achieved through the ice compress groove and the air holes, and rapid healing and protection of the incision of the skin pulling operation are facilitated.

The invention relates to the technical field of medical nursing materials, in particular to a cesarean postoperative hemostasis bellyband which comprises a main bellyband body used for being fixed to the abdomen of a puerpera in a sleeving mode, an auxiliary adjusting band used for adjusting the tightening tension of the main bellyband body and a tourniquet used for conducting pressing hemostasis on the position of a cesarean operation incision. The two sides of the tourniquet are detachably connected with the main bellyband body through zippers, the tourniquet comprises a fabric layer, a filling layer, a heating layer and a hemostasis layer which are sequentially arranged from outside to inside, a gap is formed between the fabric layer and the filling layer, and medical cotton cloth is arranged in the gap; the filling layer acts on an operative incision through inflation expansion, and a heat insulation sheet is arranged between the filling layer and the heating layer and sewn to the heating layer. The outer side of the hemostasis layer adheres to the heating layer, and the inner side of the hemostasis layer makes contact with a surgical incision. The invention aims to solve the defects of the existing bellyband in the aspects of hemostasis and adaptive adjustment after cesarean section.

An apparatus for closing a surgical incision comprises left and right base panels, a plurality of closure components, and a plurality of left and right axial supports coupled to the respective base panels. The closure components couple the left and right base panels to each other laterally and have left and right ends coupled to the respective base panels. The closure components are positioned laterally across the left and right panels, the left axial supports are disposed between pairs of left closure component ends, the right axial supports are disposed between pairs of right closure component ends, and the left and right axial supports are offset from one another such that a serpentine arrangement of consecutive closure components and axial supports is formed. The apparatus can be made of antimicrobial materials or materials impregnated with antimicrobial agents. A flexible adhesive cover can be provided over the apparatus when in use.

The utility model provides a negative pressure drainage device used for preventing peritoneal drainage liquid from exosmosis, and relates to the technical field of medical supplies, the negative pressure drainage device comprises a negative pressure container used for providing a negative pressure environment needed by drainage; one end of the drainage tube is connected with the negative pressure container, and the other end of the drainage tube is an open drainage end; the air bag is arranged around the drainage tube close to the drainage end; the air inflation assembly is used for inflating the air bag; when the inflation assembly is used for inflating the air bag, the expanded air bag can seal and fill the gap between the drainage tube and the peritoneal cavity surgical incision around the drainage tube. The device has the effect of preventing exosmosis of abdominal cavity liquid media from the surgical incision of a patient after detumescence.

The invention relates to the technical field of image analysis, in particular to a general surgery department surgical incision image analysis method and system, and the method comprises the following steps: removing background noise and a non-target region in an image based on an initially collected surgical incision image, adjusting the brightness and contrast of the image, and compressing and decompressing image data through a self-encoder, and stable features in the image data are extracted. According to the method, the definition of image data and the accuracy of analysis are ensured by finely adjusting the brightness and the contrast ratio of the image and accurately removing irrelevant noise, so that the observation of the incision healing process is more accurate, and the application of the auto-encoder is excellent in the aspect of extracting stable features of the image; according to the method, key information is quickly identified from complex data, an abnormal image deviating from normal healing is identified by using an isolated forest algorithm, and the development trend of abnormity is analyzed through an LSTM network, so that the ability of early judgment of complications is greatly improved.

The invention relates to the technical field of surgical equipment, in particular to a disposable medical dilator which comprises a dilator body and a power supply cable, the dilator body is used for hooking a human body part to dilate a surgical operation window so as to completely display a surgical operation part of a human body, and a hooking part for hooking the human body part is arranged at the head end of the dilator body. A flue is arranged in the hooking part, a light-emitting mechanism used for providing illumination is embedded in the expander body, and the tail end of the expander body is detachably installed on a power supply part of a power supply cable. A series of work such as hooking of a human body part, expansion of an operative incision, collection and exhaust of smoke and light source irradiation of the human body operative part can be achieved, operation is convenient and rapid, the operation view of a doctor during an operation can be effectively expanded, and the operation efficiency is improved. Meanwhile, the tail end of the dilator body is detachably installed on the power supply part of the power supply cable, rapid replacement of the dilator body can be achieved, disinfection is convenient, and economic benefits are improved.

The invention provides a sterilizing, breathable, self-liquid-absorbing and anti-adhesion dressing and a preparation method thereof. The dressing comprises a hydrophobic inner layer and a hydrophilic surface layer, the hydrophilic surface layer is formed by weaving hydrophilic warp yarns and surface layer weft yarns; the hydrophobic inner layer is composed of a plurality of juncus effuses which are uniformly distributed along the weft direction; and the junci medulla and the warp yarns of the hydrophilic surface layer are fixed through a specific binding double-layer weave weaving structure. Through a specific fabric weave structure weaving method and mutual cooperation of different layer structures and raw materials, the junci medulla is firmly fixed to the hydrophobic layer, and the high-performance dressing of a specific structure is obtained; the dressing is reasonable in design and simple in structure, facilitates absorption of wound moisture, promotes wound healing, has a good anti-inflammation effect, and can be widely applied to anti-inflammation and binding materials of trauma such as surgical incisions, burns and scalds and repair of wound surfaces.

The invention belongs to the technical field of postoperative incision protection, and particularly relates to a surgical incision protection device for thoracic surgery patients, which comprises a back plate assembly, a thoracic-abdominal assembly is arranged on the back plate assembly, one end of the thoracic-abdominal assembly is connected with a belt retracting device, a waist support plate is arranged on the lower side of the back plate assembly, and a first fixing belt is arranged on the waist support plate. According to the chest and abdomen assembly, through cooperation of the belt collecting device and the isolation protection device, the belt collecting device can adjust the tension of the chest and abdomen assembly in real time based on a tension sensor, and a buffering air bag and elastic spokes of the isolation protection device synchronously buffer impact; a tension adjusting-buffering protection dual-protection system is formed, the chest and abdomen traction force generated when the patient moves or bends down can be accurately counteracted, and the incision is prevented from being torn due to traction.

The invention provides a preoperative incision positioning device for spine minimally invasive surgery aiming at different fracture types, and belongs to the technical field of medical equipment. Comprising a mounting box, a notched gear ring is slidably connected into the mounting box, an adjusting mechanism used for adjusting the position of the notched gear ring is arranged in the mounting box, the two ends of the notched gear ring are fixedly connected with mounting bases respectively, and the lower end face of the mounting base on the upper side is fixedly connected with a detector; through the detector, the X-ray source and the positioning mechanism, real-time imaging of the spine of a patient is achieved, laser indication can be automatically conducted on an incision positioning point, medical staff can accurately position and mark the incision position, accurate positioning of the spine minimally invasive surgery incision is achieved, the positioning error is reduced, and the accuracy of the spine minimally invasive surgery incision is improved. The success rate and safety of the operation are improved, and the problems of poor positioning efficiency and precision in the prior art are solved.

The invention discloses a vascular nerve protection microscopic aspirator, and relates to the field of medical instruments, the vascular nerve protection microscopic aspirator comprises a box body, a placement groove is formed in the upper end of the left side of the box body, a storage cylinder is sleeved with the placement groove, the upper end of the storage cylinder is in threaded connection with a threaded cover, and a third fixing pipe is fixedly arranged on the left side of the threaded cover; the third fixing pipe is connected with the right end of a connecting hose in an inserted mode, and the left end of the connecting hose is connected with an inserting hole formed in the right end of a suction head in an inserted mode. The suction cavity and the rotating cavity are formed in the left end of the suction head, and the separation shifting plate is arranged in the rotating cavity, so that when the device is used for sucking the surgical incision of a patient, the suction head can be inserted into the incision, and body fluid at the incision is sucked into the suction cavity; then the blood vessel and the nerve are sucked into the storage cylinder through the suction cavity, the inserting hole, the connecting hose and the third fixing pipe, and in the suction process, the separation shifting plate can stretch out of the rotating cavity to strip the blood vessel and the nerve at the incision so as to avoid negative pressure suction injury.

The utility model relates to the technical field of medical equipment, in particular to a thyroid surgery incision protection distraction device which comprises a neck protection support. A traction mechanism is arranged on the neck protection support, and a protection mechanism is arranged on the outer side of the neck protection support. The traction mechanism comprises two pasters, the pasters are arranged on the surface of the neck protection support, the inner sides of the two pasters are connected with traction ropes, the ends, away from the pasters, of the traction ropes are fixedly connected with piston rods, the outer sides of the piston rods are slidably connected with piston cylinders, the piston cylinders are fixedly connected into the neck protection support, and one sides of the piston cylinders are fixedly connected with air inlet nozzles. The arranged pneumatic traction mechanism pulls and opens an operative incision, the situation that the skin on the two sides of the incision is burnt by an ultrasonic knife is avoided, meanwhile, the pneumatic structure can reduce the traction strength, the arranged protection mechanism can protect the suture position after an operation, damage caused by collision to the affected part is reduced, and the operation safety is improved. The neck protection support can position the head of the patient, and it is avoided that due to rotation of the head of the patient, suture breakage is caused, and incision healing is affected.

The invention discloses an abdominal belt capable of monitoring errhysis and seepage, and belongs to the technical field of medical instruments. A bellyband capable of monitoring errhysis and seepage comprises a bellyband body and hanging buckle structures connected to the two ends of the bellyband body, an elastic band is arranged in the bellyband body, the bellyband body is provided with a display screen, and the bellyband further comprises a seepage collecting assembly arranged on the inner wall of the bellyband body; the detection assembly is arranged on one side of the collection assembly, the detection assembly is used for detecting the seepage in time, the detection assembly is electrically connected with the display screen, and the display screen is used for displaying seepage components; cleanness of the exudate collecting box and the sponge block is guaranteed, and the risk of cross infection caused by exudation or exudate deposition is further avoided; according to seepage detection, the type of seepage is determined and displayed through a display screen, so that medical staff can conveniently master the seepage condition in time, a surgical incision is treated, and seepage generation is controlled in time. The pipeline is prevented from being blocked through dredging, and it is guaranteed that seepage smoothly enters the pipeline for subsequent detection.

The utility model relates to the technical field of surgical operation auxiliary instruments, in particular to a thoracoscope lens fixator which comprises a fixing ring, a plastic spring buckle is installed on the upper surface of the fixing ring, a fixing rope is arranged on the plastic spring buckle, a sliding assembly is fixedly arranged at the bottom of the plastic spring buckle, and the position of the spring buckle can be changed according to requirements in an operation. The fixing ring comprises an annular through groove and an annular inner groove, the annular through groove is formed in the center of the upper surface of the fixing ring, and the annular inner groove is formed in the bottom of the annular through groove in a penetrating mode. The fixing ring is placed on the periphery of a surgical incision, then the thoracoscope tube penetrates through the ring formed by the fixing rope and the plastic spring buckle, then the button on the plastic spring buckle is pressed, the fixing rope is tensioned, and the effect of fixing the tensioned thoracoscope tube is achieved.

A surgical retractor may be configured for mounting to a self-retained surgical retractor frame. The surgical retractor may include dual capability for both retracting tissue at a wound or surgical incision site and for providing surgical site illumination. The surgical retractor may include a light conduit, a mounting post, and a blade. The light conduit may be disposed along at least a part of the blade at a distance to define an offset gap between the light conduit and the post. In operation, the post may be translatably received within an aperture formed in the connector so that the connector is moved within the offset gap and the blade moved in a direction suitable for tissue retraction.

The utility model relates to an electrical sheet subassembly and nerve electrical stimulation device, including electrical sheet, conducting wire, sheath tube and gasbag, the distal end of conducting wire is connected with the proximal end of electrical sheet, sheath tube and gasbag all sleeve the outside of conducting wire, the distal end of sheath tube is connected with the proximal end of gasbag, and the distal end of sheath tube is connected with the proximal end of gasbag. The far end of the air bag is connected with the near end of the electric sheet, an air channel is formed between the sheath tube and the wire, and the air channel is communicated with the air bag. The electric sheet is implanted into the vagus nerve in a mode of guiding a puncture needle through ultrasound, and an open operation is not needed to dissect the free vagus nerve, so that the trauma of a patient is reduced, a general anesthesia operation and a relatively large operative incision are avoided, rapid later rehabilitation is facilitated, and the opportunity of vagus nerve electrical stimulation treatment is provided for the patient who cannot bear the general anesthesia operation.

The utility model provides a surgical retractor, which belongs to the technical field of medical instruments and comprises a retractor mechanism, the retractor mechanism comprises a hollow sleeve, four retractor supports and a lining, the lining is positioned at the upper end of the sleeve and is in threaded connection with a rotating rod, the lower end of the rotating rod is movably connected with a slider, the slider slides in the sleeve, and the four retractor supports are connected with the lower end of the rotating rod. By means of the abdominal cavity retractor, in the abdominal cavity operation process of medical staff, tissue and organs around an operation incision can be quickly retracted, the operation view is enlarged, operation is easy and convenient, time and labor are saved, operation can be completed only by one person, operation is convenient, and the operation efficiency is improved. And one-by-one adjustment is not needed like a traditional instrument.

The invention belongs to the technical field of surgical incision rehabilitation equipment, and particularly relates to a chest incision intelligent compression device for DBS postoperative management, the chest incision intelligent compression device comprises a fixing cloth strip and an air supply box, the two side ends of the fixing cloth strip are fixedly connected with fixing mechanisms, and the inner side wall of the fixing cloth strip is connected with a compression mechanism; a plurality of mounting through holes for connecting the compression mechanism are formed in the outer wall of the fixed cloth strip. The chest incision intelligent compression device used for DBS postoperative management has the functions that use is stable, the chest incision is compressed intermittently according to the breathing frequency of a patient, safe compression force meets personalized adjustment of the patient, the intelligent degree of the device can be effectively improved, the effect of compression management on the chest incision of the patient can be improved, and the patient experience is improved. The device further has the functions of heat preservation and drying of the chest incision of the patient, the situation that the chest incision of the patient is infected by bacteria bred due to moisture can be effectively avoided, the incision healing effect is effectively promoted, and the use reliability of the device is improved.

The set of inventions relates to medical devices, in particular to surgical retractors and wound retractors for displacing and securing anatomy of a surgical incision in a given position during surgery to provide access to a surgical region of a patient's body. A removable clip for a surgical retractor, made as an L-shaped curved member, includes a base provided with a device for fixation in a surgical retractor and a microsurgical instrument recess, and a pair of teeth for holding an anatomical structure. The toothing is configured as a profiled plate with a working area widening to ensure contact with the anatomical structure, the widening being formed by a raised pad located at least on the inner and / or outer end edge side of the lower end of the plane of the toothing plate. The included angle between each tooth part and the plane of the base is smaller than 90 degrees, and therefore gaps used for passing of microsurgical instruments are formed between the tooth parts. The surgical retractor comprises a frame with a rack carrying a fixed arm and a movable arm, the fixed arm and the movable arm being hingedly connected to a retainer for the detachable clip, where the retainer is configured to receive at least one of the aforementioned detachable clips. A removable clip assembly for a surgical retractor includes at least one central dual tooth removable clip; the at least one peripheral double-tooth detachable clamp is constructed to be capable of accommodating the central double-tooth clamp between the tooth parts of the central double-tooth clamp; and at least one central single-tooth detachable clamp. The use of the invention provides an increased working space and a higher degree of freedom of surgical instrument operation, enabling access to the lateral region of the operated structure during surgery without extending the skin incision.

A surgical incision cover cloth (10) includes a flexible substantially flat area substrate (20) having an upper side (22) and an opposing tissue-facing side having a longitudinal axis (21) and a pressure-sensitive adhesive (40) disposed on the tissue-facing side; at least one hollow microtubular compartment (30) containing a flowable agent (100), the hollow microtubular compartment (30) being positioned to intersect the longitudinal axis (21) and embedded in or positioned on the substrate (20).

The utility model relates to the field of medical skin preparation knives, in particular to a disposable medical armpit skin preparation knife. Comprising a hollow spherical tool bit attached to the armpit curve, a plurality of rows of arc-shaped blades matched with the tool bit in outline are installed on the outer surface of the tool bit, and a plurality of liquid outlet holes are formed between the blades. The cutter head and the cutter handle with the cavity are integrally formed; a piston push rod is arranged in the cutter handle; and the arc-shaped blade faces downwards and forms a certain inclined angle with the tangent line of the hollow spherical cutter head. The shaver is simple in structure and convenient to use, the blade can go deep into the armpit, hair difficult to touch is better removed, and the shaver handle comprises the bent section, so that the convenience during shaving operation is improved. The design of the spherical cutter head accords with the armpit physiological curvature of a human body, and the infection risk of an operative incision can be reduced.

The utility model discloses a disposable multifunctional maxillofacial coronal surgical incision isolation hole towel, relates to the field of medical instruments, and aims to at least solve one of the technical problems that an existing hole towel cannot collect intraoperative liquid, the towel laying process is tedious, a tracheal catheter is inconvenient to fix, surgical instruments are inconvenient to fix and the like. According to the hole towel, the hole towel body is reasonably partitioned, so that medical staff can conveniently lay, replace and use the towel; through the arrangement of the tracheal catheter fixing structure, the tracheal catheter can be conveniently fixed so as to reduce the risk of unplanned extubation of the tracheal catheter; through the arrangement of the surgical instrument fixing structure, common instruments in the oral and maxillofacial surgical operation can be conveniently fixed; the liquid collecting bag is arranged on the front face of the head sagging area, bleeding and flushing liquid in an operation can be guided from an operation incision and collected into the liquid collecting bag, the liquid is prevented from soaking the hole towel body, and the isolation and protection effects of the hole towel are guaranteed.