78results about How to "Improve medical safety" patented technology

The invention relates to a device for monitoring hydrocephalus and encephaledema. The device comprises a signal encoding generator, an emitting electrode, a receiving electrode, a signal processing digital converter, an orthogonality regulator, a detector, a parameter evaluator, an impedance analysis instrument and an evaluation instrument. After passing through the human brain, electromagnetic waves change, by comparing attenuation coefficients, relative phase shifts, spreading time differences and complex wave values K of the electromagnetic waves before and after the electromagnetic waves enter the human brain, the specific conditions of the hydrocephalus and encephaledema be can evaluated, the method is different from the traditional invasion detection method, the device can be used for realizing 24-hour monitoring, so that the medical safety in treatment of hydrocephalus and encephaledema is obviously improved.

The invention belongs to the field of medical instruments, specifically disclosing a hard laser anorectal endoscope system which comprises a hard anorectal endoscope and a cold light source host computer, a camera host computer and a monitor which are connected with the hard anorectal endoscope. The hard anorectal endoscope is further provided with a laser knife operating device cooperative with treatment and a laser knife system host computer in use with the laser knife operating device. In the hard laser anorectal endoscope system, the anorectal endoscope technology and the laser technologyare dynamically integrated in separated and integrated forms. Because the laser knife technology is able to generate high energy and focus in a high order in short time, laser adaptive to wavelength can be selected according to nature of pathological changes, thereby having the function of treating anorectal diseases. The advanced laser knife technology is introduced to the anorectal endoscopy surgery for dynamical design and integration, so that the diagnostic technology of anorectal endoscope and the treatment effect of laser are superposed so as to achieve unexpected treatment effect by means of characteristics of the laser knife which has smooth cut, causes less bleeding and is less prone to infection.

The invention discloses an integral oral tube non-PVC membrane full-automatic bag-making filling and sealing machine. The integral oral tube non-PVC membrane full-automatic bag-making filling and sealing machine comprises a machine body, a membrane supplying mechanism, an oral tube supplying mechanism, a bag maker, a first annular conveying component, a filling and sealing machine, a second annular conveying component, a bag body transferring mechanism and a bag outputting mechanism, wherein the bag maker is used for making membrane materials and integral oral tubes which are conveyed to the bag maker into flexible bags which are partial to one side of each oral tube and are provided with preserved openings; the first annular conveying component is arranged on the bag maker in a matched mode, and is provided with an oral tube fixture; the filling position and the sealing position of the filling and sealing machine correspond to preserved openings of the flexible bags; the second annular conveying component is arranged on the filling and sealing machine in a matched mode, and is provided with a bag body fixture; the bag body transferring mechanism is arranged between the first annular conveying component and the second annular conveying component. An integral oral tube is adopted for the bag-making filling and sealing machine, and the bag-making filling and sealing machine is used for filling and sealing from the preserved openings partial to one side of the oral tube without heating the oral tube and a seal cap at high temperature; solid particles can be effectively prevented; the quality of liquid conveying flexible bags can be improved; the clinical hazard can be reduced; meanwhile, the production cost is reduced.

The invention belongs to the field of medical instruments, and particularly relates to a hard laser cystoscope system, which comprises a hard cystoscope, a cold light source host, a camera shooting host and a monitor. The cold light source host, the camera shooting host and the monitor are connected with the hard cystoscope, and the hard cystoscope is further provided with a laser scalpel operating device used for treatment and a laser scalpel system host used with the laser scalpel operating device. The hard laser cystoscope system organically combines cystoscope technology with laser technology, can be specifically divided into a separating mode and an integral mode. As the laser scalpel technology has ability of generating high energy and realizing highly focusing within a short time, laser with suitable wavelengths is selected according to properties of lesions, and treatment methods include that tumor in a bladder of a patient is incised and irradiated, blood of wounds is stopped and the like are realized. The advanced laser scalpel technology is led into cystoscope surgery, and the advanced laser scalpel technology and the cystoscope surgery are organically designed and combined, so that diagnosis of the cystoscope and a laser treatment effect are combined. By the aid of characteristics that incisions of a laser scalpel are smooth, bleeding is low and infection is not easy, surgery recovery rate and accuracy are effectively improved, recurrence rate is reduced, medical quality and medical safety are improved, and unexpected diagnosis and treatment effects are obtained.

The invention discloses a temperature-control anti-fog apparatus for a clamping type laparoscope lens. The apparatus comprises a clamping device, a heating system, a shell and an inner-wall gasket. The temperature-control anti-fog apparatus following beneficial effects: clamping type design is utilized; before an operation, the clamping device enables the apparatus to be directly clamped on a rod of a laparoscope; a switch is turned on and a heat-preservation system works; installation is easy and convenient; during the operation, no detachment is achieved so that operation efficiency is effectively raised; the heating system is efficient and stable and has good heating and insulation effect of the laparoscope lens; fogging phenomenon of the lens is effectively reduced during a laparoscopic surgery; and the apparatus is an integral device and ensures safety of the operation.

A radio emission device for monitoring hydrocephalus and cerebral edema comprises a signal encoding generator and an emission electrode, wherein the signal encoding generator is used for generating preset electromagnetic waves and recording the initial amplitude and the initial phase of the electromagnetic waves, and the emission electrode is used for transmitting the electromagnetic waves generated by the signal encoding generator to a human brain. The device provided by the invention is located below the skin of human brain and sends preset electromagnetic waves, and then the preset electromagnetic waves are changed after going through the human brain. Specific circumstances of hydrocephalus and cerebral edema can be assessed by comparing the attenuation coefficients, relative phase shifts, time differences of transmission and complex wave values K before the electromagnetic waves enter the human brain and after the electromagnetic waves go through the human brain. Different from the traditional invasive monitoring method, the device provided by the invention can realize monitoring for 24 hours, and therefore, the medical security of hydrocephalus and cerebral edema can be notably enhanced.

The invention belongs to the field of medical appliances, and particularly relates to a rigid laser hysteroscope system. The rigid laser hysteroscope system comprises a rigid hysteroscope as well as a cold light source host machine, a camera host machine and a monitor, wherein the cold light source host machine, the camera host machine and the monitor are connected with the rigid hysteroscope; and the rigid hysteroscope is provided with a laser scalpel operation device for cooperating with treatment and a laser scalpel system host machine matched with the laser scalpel operation device. The rigid laser hysteroscope system organically combines a hysteroscopy technology and a laser technology, and can be divided into a split type and an integrated type particularly. Because the laser scalpel technology has the capacity of generating high energy and realizing high order focusing, the function of treating various pathological changes in the cavity of uterus can be achieved by selecting laser with adaptive wavelength according to the property of pathological changes. The advanced laser scalpel technology is introduced into a hysteroscope operation, so that the characteristics, such as smooth cut, less bleeding and infection prevention, of the laser scalpel are utilized to serve the hysteroscope operation to superpose the diagnosis technology of the hysteroscope and the treatment effect of laser, the cure rate and accuracy of operation can be effectively improved, the relapse rate is reduced, the medical quality and medical safety are improved, and unexpected diagnosis and treatment effects can be achieved.

The invention belongs to the field of medical apparatus, and particularly relates to a hard ultrasonic gallbladder endoscope system. The hard ultrasonic gallbladder endoscope system comprises a hard gallbladder endoscope with a hard endoscope body, a miniature ultrasonic probe, and an external camera system and an external light source system which are connected with the hard gallbladder endoscope and the miniature ultrasonic probe. The hard gallbladder endoscope of the hard ultrasonic gallbladder endoscope system enters a gallbladder cavity through a micro incision at the bottom of a gallbladder; the miniature ultrasonic probe enters the gallbladder directly through an instrument channel of the hard gallbladder endoscope under the monitoring of the camera system of the hard gallbladder endoscope by taking the hard gallbladder endoscope as a platform, and simultaneously the miniature ultrasonic probe directly observes the condition in the gallbladder cavity clearly; and under the condition that the gallbladder is filled with liquid, the hard gallbladder endoscope makes diagnoses and gives treatment to various gallbladder diseases, the miniature ultrasonic probe performs real-time ultrasonic scanning and performs circular scanning, linear scanning or three-dimensional reconstruction in 360 degrees on the cavity so as to acquire change images of each layer of the gallbladder wall and organs surrounding the gallbladder, so the hard ultrasonic gallbladder endoscope system can determine the position, the size, the appearance and the range of a focus of a disease, improves the medical quality and the medical safety, and overcomes the defects of a diagnosis and treatment method at present.

The invention provides percutaneou transcutaneous electrical nerve stimulation pain therapeutic equipment modulated by music, consisting of a machine box, a key circuit, a singlechip circuit, a boosted circuit, an output circuit, a voice frequency processing circuit and a power supply circuit. The therapeutic equipment generates an electrical pulse wave under the control of the singlechip circuit and uses favorite music of a patient output by MP3 to modulate, so that electrophotoluminescence pulse amplitude acting on a human body changes along with strength and weakness of the music, and left and right channels of the music respectively correspond to two path for outputting, so that two path output pulses are different. The synchronously act of a special percutaneou transcutaneous electrical nerve stimulation (TENS) electrical signal and the music selected by the patient improves curative efficacy. The variable stimulation solves adaptability and tolerance of an organism on TENS to the greatest extent, and also realizes the individual demand of analgesia.

The invention discloses a rigid microwave enteroscope system, belonging to the field of medical equipment. The rigid microwave enteroscope system comprises a rigid enteroscope and a cold light source main machine, a main camera and a monitor which are connected with the rigid enteroscope, and the rigid enteroscope is also provided with a microwave knife operating device used for cooperating with treatment and a micro knife system main machine used for cooperating with the microwave knife operating device. As a novel medical treatment means for treating various diseases by using microwave energy for local heating, the microwave technology has wide application range, obvious curative effect, safety and no side effect. In the invention, by introducing the advanced microwave technology into the enteroscope operation and taking the advantages of the microwave technology, the diagnosis of the enteroscope and the therapeutic action of microwave are superposed, and the cure rate and the accuracy of the operation can be increased to achieve the purpose of reducing recurrence rate. The invention can improve the medical quality and the medical safety and better overcome the defects of the traditional operation for treating anorectal diseases, thereby obtaining unexpected results.

The invention provides a polypeptide specifically binding to a CD34 molecule and application thereof. The polypeptide is at least one selected from the group consisting of polypeptide No. 17 and polypeptide No. 19, wherein the amino acid sequences of the polypeptide No. 17 and the polypeptide No. 19 are respectively shown in a sequence 1 and a sequence 2 in a sequence table. The polypeptide provided by the invention can specifically bind to the CD34 molecule and can be produced by using an artificial synthesis or genetic engineering method. Compared with an antibody, the polypeptide provided by the invention has the characteristics of easiness in preparation, small molecular weight, small possibility of incurrence of immunological rejection, etc.; moreover, the polypeptide has small toxic and side effect, can bind to CD34+ cells and does not exert obvious killing and propagation inhibiting effects on target cells. The polypeptide can be used as a marker for a cell with CD34 positive expression, or as a substitute for an immunofluorescence CD34 antibody, or the like.

The invention discloses a high-sealing-performance medicinal synthetic-polyisoprene pad. The high-sealing-performance medicinal synthetic-polyisoprene pad comprises, by weight, 100 parts of basic rubber, 2.5-3.5 parts of vulcanizing agent, 0.5-0.8 part of vulcanization accelerator, 3-5 parts of activating agent and 6-15 parts of filling agent. A preparation method of the high-sealing-performance medicinal synthetic-polyisoprene pad includes the steps of firstly, mixing the rubber materials; secondly, discharging a pad material; thirdly, vulcanizing; fourthly, punching; fifthly, performing alkaline extraction; sixthly, pickling; seventhly, performing fine cleaning; eighthly, silicifying. The high-sealing-performance medicinal synthetic-polyisoprene pad and the preparation method thereof have the advantages that the vulcanizing agent and the vulcanization accelerator used by the method are nontoxic, applicable to the medical field and high in safety, and the high-sealing-performance medicinal synthetic-polyisoprene pad is fast in vulcanizing, high in crosslinking degree, good in elasticity and excellent in sealing performance; when 100ml of medicine is respectively added into soft infusion bags (2000 bags) and vertical polypropylene infusion bags (2000 bags), no liquid seeps from medicine adding holes, and sealing requirements in clinical use can be satisfied.

The invention relates to a new smart medical treatment method based on radio frequency identification, in particular to a medical information processing method based on radio frequency identification and providing privacy protection. The medical information processing method aims to solve the problems that malpractice occurs and privacy disclosure of patients occurs in the digital medical treatment process, improves the treatment efficiency of the patients, improves medication safety of the patients and avoids human errors in the digital medical treatment process. Although the measures based on radio frequency identification are more efficient than the traditional digital medical treatment process, privacy disclosure or malpractice occurs due to the fact that the information of the patients may be threatened during the data transmission period. The medical information processing method takes the following effective specific measures of anonymous authentication, diagnostic record encryption, correct relevance of test labels and patient registration labels, checking process recording to prevent medical disputes which may occur in future and drug prescription matching inspection to guarantee medication safety.

The invention provides a cloud nursing system based on a 4G network. The system comprises a mobile nursing system of a village and town health center, a hospital management information system, a 4G internet-of-thing card, a VPN private network, an optical fiber public network and a server of a family planning commission / top class-A hospital. The mobile nursing system of the village and town healthcenter is connected with the VPN private network through the 4G internet-of-thing card; the hospital management information system of the village and town health center is connected with the opticalfiber public network through wired communication; and the VPN private network and the optical fiber public network are connected with the server of the family planning commission / top class-A hospitalthrough a gateway / firewall and a switch. According to the system, treatment records in the village and town health center can be obtained in the top class-A hospital, and repeated examination in different hospitals is not needed, so that the time and medical resources are saved, and the patient can be treated more efficiently and accurately; resource and information sharing is realized, and doctor-seeing time and cost are saved; the service process is optimized; the service quality is improved; and the medical safety is improved.

The invention discloses a rigid microwave vaginoscope system used for treating common gynecopathy, belonging to the field of medical equipment. The rigid microwave vaginoscope system comprises a rigid vaginoscope and a cold light source main machine, a main camera and a monitor which are connected with the rigid vaginoscope, and the rigid vaginoscope is also provided with a microwave knife operating device used for cooperating with treatment and a micro knife system main machine used for cooperating with the microwave knife operating device. The rigid microwave vaginoscope system comprises a separating type and an integral type. As a new type medical treatment means for treating various diseases by using microwave energy for local heating, the microwave technology has wide application range, obvious curative effect, safety and no side effect. In the invention, the vaginoscope technology is organically combined with the microwave technology and serves gynecilogical operation by virtue of the characteristics of smooth incision, less bleeding and difficult infection of the microwave knife, and the diagnosis of the vaginoscope and the therapeutic action of microwave are superposed, and the cure rate and the accuracy of the operation can be increased to achieve the purpose of reducing recurrence rate. The invention can improve the medical quality and the medical safety and better overcome the defects of the traditional operation for treating vaginal diseases, thereby obtaining unexpected results.

The invention discloses a gallbladder protection series endoscope system for microtrauma protective gallbladder endoscope lithotomy and polypectomy operations, which comprises a hard single channel gallbladder endoscope, a composite gallbladder endoscope, and a hard ultrasonic gallbladder endoscope system, wherein the composite gallbladder endoscope comprises a mother endoscope and a son endoscope, and the son endoscope enters a gallbladder lumen through an instrument channel of the mother endoscope. The gallbladder protection series endoscope system ensures that a doctor accurately evaluates a pathological change of a gallbladder to truly and completely remove calculi and polypi, greatly improves medical quality and medical safety, and pushes gallbladder protection and lithotomy operations to develop in depth and breadth.

The invention discloses an infusion container dispensing apparatus capable of realizing multi-time direct dispensing. The infusion container dispensing apparatus comprises an insertion and connection nozzle (21), a powder injection dispensing body (22) and a puncture needle (23), wherein the insertion and connection nozzle (21) is in a tubular shape; the whole of the powder injection dispensing body (22) is in a cup shape; an inner cavity of the powder injection dispensing body (22) is a powder injection medicine dispersing cavity; the bottom end of the powder injection dispensing body (22) is connected with a cylindrical section (213) of the insertion and connection nozzle (21); the top of the insertion and connection nozzle (21) is provided with a liquid separation sheet (211); the puncture needle (23) is arranged in the dispersing cavity of the powder injection dispersing body (22); the opening end of the powder injection dispersing body (22) is also connected with a powder injection easy-to-pull cover (226); the powder injection easy-to-pull cover (226) is connected with the powder injection dispersing body (22) through fusing connection. Medical personnel and disinfection articles can be saved; the clear consumption and the clear treatment can be realized; the multi-time dispersing can be realized; the secondary pollution is reduced; the infusion container dispensing apparatus can be suitable for production line production; the period of validity of the medicine can be ensured.

The invention discloses an infusion container capable of performing repeated direct preparation to multiple dosage forms. The infusion container comprises a container body (1) and a combination cover (2), wherein an interface (11) connected with the combination cover (2) is arranged in the container body (1); an opening end of a connecting nozzle (22) and the interface (11) of the container body (1) are sealed and welded; the combination cover (2) comprises a powder injection dispensing nozzle (21), a connecting nozzle (22), an infusion nozzle (23) and a puncture needle (24); the opening end of the powder injection dispensing nozzle (21) is further connected with a snap lid (25) which is in fusion-connected with the powder injection dispensing nozzle (21); and a first positioning structure and a second positioning structure which are matched with the partition plates of the puncture needle (24) are arranged on the inner wall of the powder injection dispensing nozzle (21). Medical staffs and disinfection supplies can be saved, the transparent consumption and transparent treatment can be realized, repeated dispensing can be realized, secondary pollution can be reduced, the safety can be enhanced, the infusion container is suitable for production of a production line, and the sealing property is good.

The invention discloses handheld video equipment which is connected with a medical endoscope. The handheld video equipment comprises an embedded microcontroller, a memory cell, an imaging sensor, a lighting unit, a power supply unit, a display screen, an optical interface and a function button, wherein the embedded microcontroller, the memory cell, the imaging sensor, the lighting unit and the power supply unit are arranged in a cavity of a shell, and the display screen, the optical interface and the function button are arranged on a panel of the shell. The memory cell, the imaging sensor, the display screen and the function button are respectively and electrically connected with the embedded microcontroller. One end of the optical interface is clamped with the shell, the optical interface and the imaging sensor coaxially align, and the other end of the optical interface is used for clamping the eyepiece portion of the endoscope. The lighting unit is connected to a light source interface of the endoscope through a light guide fiber. The handheld video equipment is convenient to carry, applicable to more places, safer to use and more saving in energy.

The invention discloses a smart medical system based on big data, which relates to the technical field of smart medical treatment and comprises a data acquisition module, a data analysis module, a controller, an alarm module, a physical sign analysis module and an associated early warning module. The data analysis module is used for receiving and analyzing the electronic medical record information of the user and calculating a diagnosis and treatment coefficient of the user; the physical sign analysis module is used for receiving and analyzing physical sign parameter information of the user; the physical sign parameter information of the user can be monitored in real time, and the physical state of the user is evaluated and early warned in time according to the physical sign parameter information and the electronic medical record information; the medical safety of the user is effectively improved; when the physical sign parameter information of the user is abnormal, sending value analysis is carried out on the family members through an associated early warning module, and the physical sign parameter information of the user is sent to the mobile phone terminals of the corresponding family members according to the sending values for early warning; the attention of family members on the body health of the user is improved, so that timely treatment is realized.

The invention discloses an infusion container with repeated direct dispensing functions. The infusion container comprises a container body (1) and a combined cover (2). A port (11) for being connected with the combined cover (2) is arranged on the container body (1); an opening end of a cover body (22) is hermetically welded with the port (11) of the container body (1); the combined cover (2) comprises a medicine dispensing nozzle (21), the cover body (22), an infusion nozzle (23) and puncture needle (24); an easy-pull cover (25) is further connected onto an opening end of the medicine dispensing nozzle (21) and is in butt fusion with the medicine dispensing nozzle (21); a first positioning structure and a second positioning structure which are matched with partition plates of the puncture needle (24) are arranged on the inner wall of the medicine dispensing nozzle (21). The infusion container has the advantages that medical staffs and disinfection articles can be reduced, 'explicit consumption' and 'explicit treatment' can be implemented, medicines can be repeatedly dispensed, secondary pollution can be reduced, the safety can be improved, and the infusion container is suitable to be produced on production lines and good in sealing.

The present invention discloses a radiation structure naming standardization method, apparatus and device and a computer readable storage medium. The method comprises the steps of: receiving an inputoriginal structure file, and obtaining a first original structure name of the original structure file; performing signifying preprocessing of the first original structure name to generate at least onecharacter string; according to the at least one character string, generating a first regular expression; according to a trained standardization model, performing expression matching for the first regular expression; according to a second regular expression in the standardization model matching with the first regular expression and a structure word bank associated with the second regular expression, converting the first original structure file to a standard structure name, wherein the structure word bank is configured to store the standardization name of each tumour radiotherapy treatment structure; and outputting the standard structure file according to the standard structure name to avoid confusion caused by inconsistent and improper names.

The invention discloses a method and a system for monitoring wearing and taking-off behaviors of protective articles based on a computer vision technology, and the method comprises the steps that the whole process of a medical worker entering and leaving a protective clothing wearing and taking-off room is monitored, the wearing and taking-off behaviors of the protective articles of the medical worker are determining as a monitoring target , and the information collection is carried out; collected monitoring target information is converted into data signals for deep learning, effective information obtained through deep learning is transmitted to the early warning model, correct actions, wrong actions and missing actions are distinguished after analysis of the early warning model, and alarm signals are sent once the wrong actions and the missing actions are found, so that the alarm gives an alarm. According to the invention, the wearing and taking-off behaviors of the protective clothing of the medical worker can be accurately and comprehensively monitored, an alarm is given in time, the medical safety is improved, and infection events are reduced.

The invention relates to a hard lens protection sleeve, which comprises a hard sleeve for protecting a hard video lens and a soft bag sleeve for protecting a video transmission line. The front end ofthe hard sleeve is a straight sleeve while the rear part of the hard sleeve is an operation sleeve; the operation sleeve is provided with a soft film area, and the operation sleeve and the straight sleeve are mutually embedded in each other and can rotate coaxially so that an operation button of the hard video lens operates normally. Double films capable of water injection and arranged at the headof the hard sleeve can enlarge a camera. A heating ring can prevent lens from fogging. A multifunctional inflatable tube can prevent fogging and is used as an operation chamber. A cleaning mechanismcan clean the head. The soft bag sleeve and the operation sleeve are connected in a seal mode and can be arranged to sleeve a hard video lens video rod and a video transmission lead to avoid damage caused by repeated disinfection to the hard video lens video rod and the video transmission lead, improve the use efficiency of the hard video lens video rod and the video transmission lead, and reducethe use cost. The hard lens protection sleeve has a simple structure and high practicability.

The invention discloses a hard microwave hysteroscope system, which belongs to the field of medicinal apparatus. The hard microwave hysteroscope system comprises a hard hysteroscope, and a cold light source host, a camera host and a monitor which are connected with the hard hysteroscope, wherein the hard hysteroscope is provided with a microwave-knife operation device for cooperating treatment and a microwave-knife system host which is used together with the microwave-knife operation device. According to the relationship between the microwave-knife operation device and the hard hysteroscope, the hard microwave hysteroscope system of the invention can be divided into two types, namely, a separated hard microwave hysteroscope system and an integrated hard microwave hysteroscope system. Because a microwave probe is a novel medical device for treating various diseases through local heating by using microwave energies, the microwave probe is wide in application scope, distinct in curative effect and safe and has no side effect. By introducing advanced microwave technology into the hysteroscopy operation, and using the advantages of the microwave technology for cooperating with the hysteroscopy operation to achieve the purpose of superposition of the diagnosis function of the hysteroscope and the treatment function of the microwave, the hard microwave hysteroscope system can increase the cure rate and accuracy of an operation so as to achieve the purpose of reducing the recurrence rate, improve medical quality and medical security, overcome the shortage of the conventional uterine diseases diagnosis and operation, and achieve unexpected effects.

The invention discloses a mobile doctor terminal management platform system. The system comprises: a doctor monitoring management module configured in a mobile terminal device and used for a doctor toconsult the condition of a patient at a mobile terminal; and a patient interaction module used for communicating the doctor with a patient, inquiring the medication condition of the patient, receiving feedback of the patient based on instant messaging and providing targeted suggestions. According to the system, the nursing work efficiency and work quality are improved, the medical quality is improved, the credibility and authenticity of hospital information are improved, critical value warning information can be found and sent to related personnel in time, doctors can handle critical values in time, the timeliness of critical value handling is improved, and the medical quality and patient nursing safety are improved.

A bone drill of the present invention includes a housing and a drill bit; a power unit and a control unit are arranged in the shell; a pressure sensor is arranged at the joint of the power unit and the drill bit; the pressure sensor is used for outputting an electrical signal corresponding to the pressure applied to the drill bit, and the control unit is used for receiving the electrical signal and controlling the power unit to drive the drill bit to start or stop according to the electrical signal; the drill bit comprises a drill pipe and a drill bit assembly arranged on the drill pipe head in linkage; The drill bit assembly includes a positioning drill for positioning the drill pipe and a cutting drill for cutting bone, the cutting drill being disposed on the periphery of the positioningdrill. The bone drill of the invention has the advantages of good centering ability, high drilling precision and controllable drilling depth, alleviates the pain of patients and increases the medicalsafety.

The invention belongs to the field of medical instruments, specifically disclosing a hard laser anorectal endoscope system which comprises a hard anorectal endoscope and a cold light source host computer, a camera host computer and a monitor which are connected with the hard anorectal endoscope. The hard anorectal endoscope is further provided with a laser knife operating device cooperative with treatment and a laser knife system host computer in use with the laser knife operating device. In the hard laser anorectal endoscope system, the anorectal endoscope technology and the laser technologyare dynamically integrated in separated and integrated forms. Because the laser knife technology is able to generate high energy and focus in a high order in short time, laser adaptive to wavelength can be selected according to nature of pathological changes, thereby having the function of treating anorectal diseases. The advanced laser knife technology is introduced to the anorectal endoscopy surgery for dynamical design and integration, so that the diagnostic technology of anorectal endoscope and the treatment effect of laser are superposed so as to achieve unexpected treatment effect by means of characteristics of the laser knife which has smooth cut, causes less bleeding and is less prone to infection.

The invention relates to an accurate-positioning double-chamber trachea cannula for anesthesia, and belongs to the technical field of medical instrument manufacturing. A double-chamber cannula body is connected with an auxiliary insertion plate, the cross section of the auxiliary insertion plate is an arc-shaped flat tube, a separation and reunion control lever and a bifurcation control lever are mounted in the auxiliary insertion plate which is stuck to the double-chamber cannula body together, fixation clamps clamp the double-chamber cannula body and a main lever of the auxiliary insertion plate into a hole, a pressure switch is mounted at the juncture of the auxiliary insertion plate and branch tubes, and the pressure switch is connected with a display. The distance from the oral cavity to the bronchi is judged by the aid of an x-ray film of a patient before surgery, the double-chamber cannula body and the auxiliary insertion plate are inserted into the trachea from the oral cavity together to enable two bifurcated tubes of the double-chamber cannula body to enter the left and right bronchi, when the pressure switch reaches the carina of the trachea, a lamp of the display is lighted, and the auxiliary insertion plate is taken out from the trachea. The double-chamber cannula body is placed in the trachea accurately and controllably.