91 results about "End instrument" patented technology

A communication system having a policy server coupled to a communications network for managing secure communication with and among end instruments (EI). The EI comprises a memory, and a processor coupled to the memory with processor-executable instructions, including instructions for an operating system kernel; and instructions for a protection core that monitors operations of the operating system kernel in accordance with a security policy for the EI. Security policies can intercept calls to an operating system kernel and for each call, determining whether the call is allowed under the security policy(ies). Policies are stored in a policy library and transmitted to an EI over a wireless communication network.

Example embodiments relate to devices, systems, and methods for performing a surgical action. The device may comprise a port assembly, a camera arm assembly, and an instrument arm assembly. The port assembly comprises an access port and a plurality of anchoring portions. The camera arm assembly comprises at least one camera at a distal end and is configurable to insert into the access port and attach to one of the anchoring portions. The instrument arm assembly comprises a serial arrangement including a plurality of arm segments, a plurality of joint portions, and at least one end instrument attached to one of the arm segments by an instrument joint portion at a distal end. Each joint portion is configurable to provide an attached arm segment with at least one degree of freedom. Furthermore, the instrument joint portion is configurable to provide the end instrument with at least one degree of freedom.

The invention discloses a tail end instrument for a single port laparoscopy minimally invasive surgery flexible robot with multiple freedom degrees, and relates to a minimally invasive surgery robot. The tail end instrument for the single port laparoscopy minimally invasive surgery flexible robot with the multiple freedom degrees solves the problems that an existing tail end instrument for the single port laparoscopy surgery robot is low in overall integration level, simple, and large in overall size, and can not completely achieve the freedom degrees similar to a person. A forth motor achieves axial rotation motion for a wrist pivoting joint through a forth joint drive wire. A fifth motor achieves pitching motion for the wrist pivoting joint through a fifth joint drive wire. A sixth motor achieves opening and closing motion for a first gripping forceps joint through a sixth joint drive wire. A seventh motor achieves opening and closing motion for a second gripping forceps joint through a seventh drive joint drive wire. The tail end instrument for the single port laparoscopy minimally invasive surgery flexible robot with the multiple freedom degrees is used in single port laparoscopy minimally invasive surgery.

The invention discloses a master-slave isomorphic teleoperation force feedback master manipulator of a minimally invasive surgery robot. The master manipulator comprises a universal joint mechanism assembly, a translational autorotation assembly, a parallelogram mechanism and a control handle connected with the translational autorotation assembly. The universal joint mechanism assembly is fixed onthe base, the translational autorotation assembly is rotatably connected with a deflection frame of the universal joint mechanism assembly, and the parallelogram mechanism is rotatably connected withthe translational autorotation assembly. According to the invention, four degrees of freedom of three-dimensional rotation around a certain point and linear motion along an operating handle shaft canbe realized; the force feedback function is achieved for pitching, yawing and linear motion freedom degrees, isomorphic arrangement is adopted for all the freedom degrees and the motion freedom degree of a minimally invasive surgery execution end instrument, the one-to-one mapping relation is achieved, errors caused by master-slave control system delay and kinematics solving are reduced, and operation intuition is improved. The force feedback driver is fixedly installed, motion and feedback force is transmitted through the parallelogram mechanism, the motion inertia of a main hand moving partis reduced, and the control flexibility is improved.

The invention relates to the field of stem cell culture and in particular relates to a separation method of limbal stem cells. The separation method has the beneficial effects that limbal tissues are subjected to enzymolysis under the combined action of a compound enzyme by combining neutral protease with collagenase IV, thus ensuring obtainment of the cells through enzymolysis in a short time, reducing damages to the cells, increasing the cell yield and improving the purity of the obtained cells; the method is simple and convenient to operate, dispenses with high-end instruments and equipment and causes smaller damages to the cells; experiments show that by adopting the method provided by the invention to separate the limbal stem cells, every 1cm<3> of limbal tissues can obtain 8.4*10<5>-9.0*10<5> limbal stem cells, the positive rate of an antibody CX43 in the cells is 0, the positive rate of AE5 is 0.1%, the positive rate of BrdU is 70.1%, and the positive rate of PCNA is 82.1%; the separation method has obviously better effects than the prior art.

The invention aims to provide a joint vaginitis detection kit which is convenient, quick and sensitive to operate, does not need any high-end instrument and equipment, and has low price. The technical scheme of the invention is to provide the joint vaginitis detection kit comprising a clamp-shaped reaction device with four dry chemical reaction blind holes, diluent and chromogenic reagent; and the four blind holes are respectively provided with a hydrogen peroxide concentration determination test reagent pad, a sialic acid glucoside enzyme activity test reagent pad, a leukocyte esterase activity determination test reagent pad and a vaginal fluid pH test reagent pad. The joint vaginitis detection kit can simultaneously test four indexes, i.e. the pH value of vaginal secretion, hydrogen peroxide, sialic acid glucoside enzyme and leukocyte esterase. Through the four indexes, the micro-ecological environment of vagina is determined, and the joint vaginitis detection kit is for identifying bacterial vaginosis of normal vaginal flora and bacteria groups.

The present invention discloses an angular velocity sensor modeling method based on Magneto-hydrodynamic Effects. The method comprises the following steps: step S1. establishing a transfer model of a sensor probe; step S2. establishing a transfer function of a primary amplification transformer; step S3. establishing a transfer characteristic of a rear-end instrument amplification circuit; and step S4. according to a result obtained in steps S1, S2 and S3, constructing an overall model of a sensor. The method disclosed by the present invention systematically gives a sensor probe model, a transformer model, a rear-end amplification circuit model and a sensor full-process model made of the three models. The method can quantitatively analyze a frequency response characteristic corresponding to the sensor under certain design parameters; and by means of the transfer model thereof, perform optimization, type selection and design on related parameters in the sensor, so as to instruct actual research and development of sensors.

The invention discloses a vehicle height-limiting barrier early-warning system and method based on binocular lasers. The system comprises two laser ranging sensors and a control and warning module. The two laser ranging sensors are fixedly installed on the two sides of a vehicle front end instrument desk through installation plates respectively. The two laser ranging sensors are kept at the same height. An included angle smaller than or equal to 5 degrees is formed between the straight line where the light emitted by the two laser ranging sensors is located and the horizontal plane where the vehicle front end instrument desk is located. The control and warning module comprises an MCU control unit, a power module, a storage module, an SRAM module and a warning module. The warning module comprises a warning lamp and a buzzer. The height-limiting barrier detection can be conducted only with the two laser ranging sensors, the system has the advantages of being low in cost and convenient toinstall and being not restrained by the low light illumination intensity at night, and the firm foundation is laid for the large-scale application and popularization of the system.

The invention relates to a surgical robot starting method, a computer readable memory and a surgical robot. The surgical robot comprises a handle and an operating arm, the handle is capable of free movement, the operating arm has an end instrument for performing a surgical operation and following the movement of the handle, and the starting method of the surgical robot comprises the following steps of: obtaining a first posture information of the end instrument; acquiring second posture information of the handle in real time; The second posture information is compared with the first posture information, and when the deviation is within a preset deviation, the end instrument is aligned with the handle, and a follow signal is sent to activate the end instrument into a follow state. The second posture information is aligned with the first posture information, and when the deviation is within a preset deviation, the end instrument is aligned with the handle to initiate the end instrument into a follow state.

The invention relates to a radio display panel background switching method. The method comprises the steps of performing background pattern display of a corresponding display style pattern on a display panel of a radio arranged in a car based on expressions of personnel in the car by using a radio display panel background switching platform. The radio display panel background switching platform isarranged in a front-end instrument panel of the car. The platform comprises a radio-frequency processing device used for receiving a CMMB signal from an antenna and performing radio-frequency processing on the CMMB signal to obtain and output an audio compression signal and a video compression signal, and an audio decompression device connected with the radio-frequency processing device and usedfor performing decompression processing on the audio compression signal to obtain an audio broadcast signal, which is used for a player of the radio to perform playing operation, wherein the radio-frequency processing device comprises a tuner and a detuner.

The invention provides a master hand control clamp for a surgical robot and belongs to the technical field of medical instruments. The master hand control clamp comprises a base, a first handle, a second handle and a touch sensing module, the first handle and the second handle are hinged onto the base, and the touch sensing module is arranged on the base and used for sensing whether the first handle and the second handle are touched or not and transmitting information about whether the first handle and the second handle are touched or not to a far-end instrument. Due to the arrangement of thetouch sensing module, a power supply of a remote instrument can be connected or disconnected by sensing whether an operator touches the handle or not, so that the connection or disconnection of the power supply of the remote instrument is synchronous with the contact or separation of the operator from the handle, the possibility of misoperation is reduced, and unnecessary injury to a patient is avoided.

The invention provides a negative-pressure cleaning machine and relates to the field of cleaning equipment. The negative-pressure cleaning machine comprises a rack, a cleaning cabin and a control system and further comprises a liquid feeding mechanism, a steam heating system, a liquid circulating system, a vacuum mechanism and a circulating heater which are controlled to operate by the control system. The liquid feeding mechanism communicates with the cleaning cabin and is used for adding cleaning liquid into the cleaning cabin. The circulating heater comprises a heating box and a heating coil, the heating box is internally provided with a first heating chamber used for heating the liquid, the heating coil is arranged on the surface of the heating box in a sleeving mode, and the first heating chamber communicates with the top of the cleaning cabin. The vacuum mechanism communicates with the cleaning cabin. The negative-pressure cleaning machine generates a large number of bubbles and oscillates constantly through decompression boiling, clean air introduced from the bottom of a cabin body in the vacuum environment is utilized to form the bubbles to impact the surfaces of instruments, the whole process is under control of a program, and it can be guaranteed that the blind-end instruments and other instruments are cleaned without a dead angle; and the negative-pressure cleaning machine can be used for cleaning the high-value-added precise medical instruments which are not easily (or difficultly) cleaned by traditional equipment.

The invention belongs to the technical field of biology, and particularly relates to a compound staining solution of a piroplasma blood smear. The compound staining solution comprises a compound staining solution I and a compound staining solution II, wherein the compound staining solution I comprises 2g Swiss powder, 1.7g giemsa pigment, 50ml glycerol and 1000ml methanol; and the compound staining solution II comprises 2.3g anhydrous sodium dihydrogen phosphate, 0.3g anhydrous monopotassium phosphate and 1000ml distilled water. The staining method comprises the following steps: I, blood smear preparation, II, secondary treatment of the blood smear, and III, staining in the compound staining solution. The compound staining solution and the staining method have a better piroplasma staining effect without the help of high-end instruments and equipment, are economical and practical and have a very excellent effect; the required time is shorter; and no impurity interferes with observation of a piroplasma body.

A medical apparatus comprising an apparatus body and a terminal instrument which operates when receiving a terminal output which is an electric or electromagnetic output. The terminal instrument is provided with an installed cell of predetermined capacity and the apparatus body is provided with a circuit for measuring the electromotive force (emf) of the installed cell while discharging the emf via a predetermined resistance as the terminal instrument is used. A comparator compares the emf with a standard voltage and the output command is blocked from the primary control section when the emf of the installed cell is below the standard voltage. Moreover, an alarm is generated when the emf of the installed cell is below the standard voltage level during the use of the terminal instrument.