6593results about How to "Reduce manufacturing difficulty" patented technology

An electrically operated surgical instrument includes a surgical end effector having an actuation assembly effecting a surgical procedure when actuated and a handle connected to the end effector for actuating the assembly. A part of the assembly moves between start and fully actuated positions. The handle has a self-contained power supply and a drive assembly disposed entirely within the handle. The drive assembly has an electrically powered motor and a controller electrically connected to the power supply and to the motor. The controller selectively operates the motor. A transmission mechanically connects the motor to the moving part and selectively displaces the moving part anywhere between the start and fully extended positions when the motor is operated. A manual release is mechanically coupled to the transmission to selectively interrupt the transmission and, during interruption, displaces the moving part towards the start position independent of motor operation.

A surgical instrument includes a surgical end effector having a receiving portion for removably receiving therein an interchangeable part. The receiving portion has a communication connection. A handle connected to the end effector actuates the end effector. The handle has a controller electrically connected to the communication connection for authenticating the interchangeable part when placed at the end effector. An interchangeable part is removably connected to the receiving portion and has an encryption device electrically removably connected to the communication connection when placed at the receiving portion. The encryption device authenticates the interchangeable part when queried by the electric controller.

An electrically powered surgical instrument includes a surgical end effector having a surgical procedure effecting actuation assembly. A handle is coupled with the end effector. An electric motor is disposed within a shell of the handle and has power terminals and a drive train actuating the assembly when the motor is supplied with power. A break-before-make power supply switch at the handle selectively controls supply of power to the motor. A post-termination braking circuit electrically short-circuits the power terminals when the switch does not supply power to the motor. A method for post-termination braking of an electrical motor utilizes the permanent magnetic field of the motor to counteract an inertia-induced over-stroke characteristic of the motor, drive train, and / or actuation assembly after powered operation by short-circuiting the still-spinning motor to create an electrically generated magnetic field in opposition to the permanent magnetic field upon ceasing supply of power to the motor.

A surgical instrument, includes a surgical end effector having a receiving portion for removably receiving therein an interchangeable part. The receiving portion has a communication connection. A handle connected to the end effector actuates the end effector. The handle has a controller electrically connected to the communication connection for authenticating the interchangeable part when placed at the end effector. An interchangeable part is removably connected to the receiving portion and has an encryption device electrically removably connected to the communication connection when placed at the receiving portion. The encryption device authenticates the interchangeable part when queried by the electric controller.

A method for encrypted authentication of interchangeable parts of a surgical instrument includes providing a surgical end effector at a distal end of a handle of the surgical instrument and electrically connecting an authentication controller within the handle to a receiving portion of the end effector. An interchangeable part is removably placed at the receiving portion. The interchangeable part is authenticated with the authentication controller when the interchangeable part is seated in the end effector.

A surgical instrument includes a surgical end effector having at least one actuation assembly to effect a surgical procedure when actuated, an electric motor operationally connected to the end effector to operate the at least one actuation assembly, and a power supply electrically connected to the motor and selectively powering the motor to actuate the actuation assembly. The power supply has a battery cell with a critical current rate and, when activated to power the motor and actuate the actuation assembly, operates the cell at a super-critical current rate or at an average current rate above the critical current rate. The power supply selectively powers the motor to actuate the assembly less than 16 times during a clinical life of at least one of the end effector, the motor, and the power supply. When actuated, the assembly operates only between 0.5 seconds and 16 seconds in duration.

A method for effecting a tissue-compressing surgery at a user-selected compression force provides an electrical switch having switching states changed solely by mechanical movements. The switch is mechanically coupled with an adjustable biasing device retaining the switch in one state until a force greater than the bias device is imparted to the switch. The switch is in line with a tissue-compressing device to place a proportional amount of compression force on the switch as imparted upon the tissue. The biasing device is set to a desired state-changing tissue compression force so that the switch changes its state when the force on the switch is at least the desired force. Tissue compresses until a force imparted on the switch at least equals the desired state-changing tissue compression force and, at such time, the switching state changes and, thereafter, a surgical procedure is carried out on the compressed tissue.

A surgical instrument includes an end effector having an actuator effecting a surgical procedure when actuated, an electric motor operating the actuator, and a power supply actuating the actuator when power is supplied to the motor. The power supply has a battery cell with a given rated power for an operating period of over 15 seconds and for a total aggregate operating time of over 300 seconds. The motor and power supply are configured to utilize the battery cell at a power greater than the given rated power. The motor characteristics are selected to utilize the battery cell for periods of operation of less than 16 seconds and for a total aggregate operating time of less than 300 seconds. A one-handed handle contains all of the power supply, at least part of an anvil control assembly, and at least part of an electrically-powered stapler / cutter control assembly.

An electrically powered surgical instrument includes a surgical end effector having a surgical procedure effecting actuation assembly. A handle is coupled with the end effector. An electric motor is disposed within a shell of the handle and has power terminals and a drive train actuating the assembly when the motor is supplied with power. A break-before-make power supply switch at the handle selectively controls supply of power to the motor. A post-termination braking circuit electrically short-circuits the power terminals when the switch does not supply power to the motor. A method for post-termination braking of an electrical motor utilizes the permanent magnetic field of the motor to counteract an inertia-induced over-stroke characteristic of the motor, drive train, and / or actuation assembly after powered operation by short-circuiting the still-spinning motor to create an electrically generated magnetic field in opposition to the permanent magnetic field upon ceasing supply of power to the motor.

An electrically operated surgical instrument includes a surgical end effector having an actuation assembly effecting a surgical procedure when actuated and a handle connected to the end effector for actuating the assembly. A part of the assembly moves between start and fully actuated positions. The handle has a self-contained power supply and a drive assembly disposed entirely within the handle. The drive assembly has an electrically powered motor and a controller electrically connected to the power supply and to the motor. The controller selectively operates the motor. A transmission mechanically connects the motor to the moving part and selectively displaces the moving part anywhere between the start and fully extended positions when the motor is operated. A manual release is mechanically coupled to the transmission to selectively interrupt the transmission and, during interruption, displaces the moving part towards the start position independent of motor operation.

A tiled display apparatus includes at least five functionally identical transparent partially-overlapped display tiles arranged in two dimensions, each display tile including pixels arranged in a two-dimensional array, and the display tiles being disposed so that light emitted by pixels located beneath a neighboring display tile at the edge of the pixel array passes through the neighboring display tile.

The invention provides an organic light-emitting diode (OLED) display screen. The display screen comprises a glass substrate, a circuit layer, an anode layer, an organic luminescent layer, a cathode layer, a touch control inductive layer and a touch control detection unit, wherein the circuit layer, the anode layer, the organic luminescent layer and the cathode layer are arranged on one side of the glass substrate. The OLED display screen integrated with a capacitive touch screen provided by the invention can perform accurate touch control operation and clear image display at the same time. Compared with the prior art, the display screen has the advantages of reducing a plurality of structural layers and effectively lowering production cost and manufacturing difficulty. Moreover, the capacitive touch screen can be integrated in a bottom luminous OLED display screen structure so that the application range of technology can be expanded greatly.

The invention discloses a wide-width off-axis three-reflection-mirror optical system adopting a free curved surface, and belongs to the technical field of optics. A conventional off-axis three-reflection optical system adopting a free curved surface has a small field angle, and the adopted totally unbalanced free curved surface has large processing difficulty. The system is a wide-width off-axis three-reflection mirror optical system taking a primary reflection mirror as a free curved surface, and comprises the primary reflection mirror, a secondary reflection mirror, a third reflection mirror and a aperture diaphragm, wherein the aperture diaphragm is overlapped with the secondary reflection mirror; incident light is reflected to the secondary reflection mirror through the main reflection mirror, reflected to the third reflection mirror through the secondary reflection mirror, and then reflected through the third reflection mirror, so that an image is formed; the main reflection mirror is a free curved surface which is symmetrical to a meridian plane, so that the manufacturing difficulty of the system can be reduced; and at the same time, the system has a lager rectangular view field, so that wide-width imaging can be realized.

A surgical instrument includes an end effector having an actuation assembly to effect a surgical procedure when actuated. An electric motor has a rated operating voltage and is operationally connected to the end effector to operate the actuation assembly. A power supply is electrically connected to the motor and selectively powers the motor to actuate the actuation assembly at least 1 and less than 16 times during a clinical life of at least one of the end effector, the motor, or the power supply. The power supply has a battery cell with a critical current rate. When activated to power the motor and actuate the actuation assembly, the power supply operates the battery cell at a super-critical current rate during a non-zero super-critical pulse discharge period lasting less than approximately 16 seconds. The power supply operates the motor above the rated operating voltage during the super-critical pulse discharge period.

The present application provides a gas showerhead including a gas distribution and diffusion plate and a water cooling plate, the gas distribution and diffusion plate includes several columns of first gas diffusion passages connecting to a first reactant gas source and several columns of second gas diffusion passages connecting to a second reactant gas source; the water cooling plate having cooling liquid passages is arranged below the gas distribution and diffusion plate, and the water cooling plate is provided with first gas outlet passages provided for the reactant gas in the first gas diffusion passages to flow out and second gas outlet passages provided for the reactant gas in the second gas diffusion passages to flow out, so as to isolatedly feed at least two reactant gases into a reaction chamber.

The invention discloses a flection and energy consumption preventing brace which comprises a core stress member, a restriction member, an isolation layer positioned between the core stress member and the restriction member, and a connecting member connected with two ends of the core stress member. The core stress member comprises two steel plates; and an elastic filling material is arranged between two steel plates. As the elastic filling material is adopted to solve the problems of the flection and energy consumption after the double steel plates are stressed, the material for the isolation material only needs to realize the separation of the double steel plate and a restriction sleeve, does not need to consider reserving a gap with certain thickness; therefore, common lipin or an organic material is applied on the surface of the double steel plates to meet the requirement, so manufacturing difficulty is greatly reduced.

A high-voltage direct-current breaker is composed of an initial current path (1) and a fail current interdicting path (2). The initial current path (1) comprises at least one electric electronic switch module (3) and a mechanical switch (4), and the fail current interdicting path (2) comprises an initial capacitor (C) and a modular switching subunit series connection component (5). The modular switching subunit series connection component (5) is formed by connecting a plurality of sub units (6) in series. When a high-voltage direct-current electric transmission line fails, the opening and closing of a fail electric transmission line can be rapidly achieved.

A surgical instrument includes a surgical end effector having a receiving portion for removably receiving therein an interchangeable part. The receiving portion has a communication connection. A handle connected to the end effector actuates the end effector. The handle has a controller electrically connected to the communication connection for authenticating the interchangeable part when placed at the end effector. An interchangeable part is removably connected to the receiving portion and has an encryption device electrically removably connected to the communication connection when placed at the receiving portion. The encryption device authenticates the interchangeable part when queried by the electric controller.

The present invention discloses a display panel and a display device. The display panel comprises an organic light-emitting display panel, a fingerprint identification module and an angle limiting film. The fingerprint identification module is located in a display area of one side, away from organic light-emitting structures, of an array substrate. The fingerprint identification module comprises at least one fingerprint identification unit, and the fingerprint identification module can perform fingerprint identification according to light beams reflected to the fingerprint identification unit(s) via a touching subject. The angle limiting film is between the organic light-emitting display panel and the fingerprint identification module. In the light beams reflected to the fingerprint identification unit(s) via the touching subject, the transmittance of the light beams that the incident angle corresponding to the angle limiting film is less than the transmission angle corresponding to the angle limiting film is A1; and in the light beams reflected to the fingerprint identification unit(s) via the touching subject, the transmittance of the light beams that the incident angle corresponding to the angle limiting film is more than the transmission angle corresponding to the angle limiting film is A2; A1>A2>0. According to the technical proposal of the display panel and the display device, under the prerequisite of no effect on the fingerprint identification accuracy, the crosstalk phenomenon is effectively avoided, and the producing difficulty of the angle limiting film is reduced.

The invention discloses a cavity film bulk acoustic resonator and a preparation method thereof, belonging to the technical field of acoustic resonators. The preparation method comprises the steps of growing a film structure layer in the acoustic resonator on a preparation substrate; fixing both the preparation substrate and the film structure layer growing on the preparation substrate on a support substrate through one side of the film structure layer so as to form a cavity between the support substrate and the film structure layer; and stripping the film structure layer off the preparation substrate. The film structure layer comprises a support layer, or comprises a support layer and a bottom electrode, or comprises a support layer, a bottom electrode and a piezoelectric film, or comprises a support layer, a bottom electrode, a piezoelectric film and a top electrode, so as to form a structure comprising the support substrate, the support layer, the bottom electrode, the piezoelectric film and the top electrode that are sequentially overlaid. Bad effects on a resonance structure in removing of a sacrificial layer in the conventional process are eliminated, so that the cavity film bulk acoustic resonator prepared by the method has better performances.

The invention provides a full-automatic nucleic acid extraction and PCR amplification micro-fluidic chip which comprises at least one main body, wherein the main body is distributed in equal distance around the chip; the main body comprises a nucleic acid extraction unit, a PCR amplification unit, a waste liquid unit and an exhaust unit, wherein the nucleic acid extraction unit is positioned on the main body and is used for extracting, washing and eluting nucleic acid in sequence under the driving of centrifugal force and capillary force; the PCR amplification unit is adopted for PCR reaction amplification; the waste liquid unit comprises a waste liquid cavity which is used for storing a waste liquid; the exhaust unit comprises exhaust holes and a plurality of exhaust channels; and the plurality of exhaust channels are communicated with the nucleic acid extraction unit, the PCR amplification unit and the waste liquid unit and are used for exhausting air. The invention discloses a micro-fluidic chip for achieving full-automatic nucleic acid extraction and PCR reaction through centrifugal force, capillary force and siphon phenomenon, the micro-fluidic chip has no integrated equipment such as pumps or valves, so that the manufacturing difficulty and cost of the chip are greatly reduced, and moreover the reliability of the chip is improved.

A surgical instrument comprising a surgical end effector having an actuation assembly operable to effect a surgical procedure when actuated, a part of the actuation assembly being movable between a first position and second position, and a handle connected to the end effector for actuating the actuation assembly, the handle having a power supply disposed within the handle, a motor disposed within the handle and electrically powered by the power supply, a transmission connecting the motor to the moving part and operational to displace the moving part anywhere between the first and second positions when the motor is operated, and a manual release mechanism that selectively interrupts the transmission and, during interruption, displaces the moving part towards the first position independent of operation of the motor.

The invention discloses a manufacturing method of an array substrate, the array substrate and a display panel and belongs to the technical field of display. The method comprises the steps as follows:a first thin film transistor and a second thin film transistor are formed on a substrate, wherein the first thin film transistor comprises a first active layer graph, a first gate, a first source anda first drain; the second thin film transistor comprises a second active layer graph, a second gate, a second source and a second drain; the first source, the first drain and the second gate are formed by adopting a primary composition process; and the second source and the second drain are formed by adopting the primary composition process. The first source, the first drain and the second gate are formed by adopting the primary composition process, and the second source and the second drain are formed by adopting the primary composition process, so that the overall manufacturing difficulty ofthe array substrate is reduced under the condition of not increasing the composition process.

The invention relates to a 3D (three-dimensional) printing system structure. The 3D (three-dimensional) printing system structure comprises a lifting printing platform, a dual-screw dual-optical-axis Z-shaft driving mechanism, an X-shaft drive mechanism, a Y-shaft drive mechanism as well as a stationary object carrying platform, wherein the printing platform is provided with an X-shaft drive motor and a Y-shaft drive motor; the two motors are respectively connected to a pair of driven bearings by synchronous belts at two ends of the driving shaft; double slide shafts in the X direction and the Y direction are both provided with slide seats; two pairs of slide seats are respectively connected by an X cross beam and a Y cross beam, and the two cross beams respectively penetrate through a 3D printer head; a driving motor of the dual-screw dual-optical-axis driving mechanism and the driving shaft are connected by the synchronous belt; the position of the driving motor can be adjusted randomly. The X-shaft drive mechanism, the Y-shaft drive mechanism and the driving shaft operate individually, so that the motion modulation is reduced; the dual-screw dual-optical-axis driving mechanism has favorable stability, so that the printing platform is stressed in a balance manner; the driving in each direction is stable; the 3D printing precision is improved.

The invention relates to a double-loop multi-frequency antenna, with a T-shaped metal radiator provided with long sides at different lengths acting as a main body and two L-shaped metal radiators connected with the ground cooperated to form two loop antennas, which can respectively generate high-frequency and low-frequency operation modes. The invention utilizes a bidirectional structure to allow multi-frequency antenna to have enough frequency width at high frequency, and at the same time, to meet the usage demands at low frequency, so as to meet the system requirements of the frequency bands of DCS / PCS / UMTS high frequency and AMPS / GSM low frequency.

The technological process of rolling and forming large hollow disc forging includes the steps of: deforming metal rod material, heating, upsetting to form cake blank, profiling to obtain disc blank, punching hole to obtain hollow disc blank, heating, locating, axial rolling, radial and axial rolling, and measuring size to obtain hollow disc forging. The rolling process has axial rolling force of (2-5)x10<5> kg, radial rolling force of (5-20)x10<4> kg, and broadening speed of 5-15 mm / s. The rolled disc forging has outer diameter of 800-3000 mm, inner diameter of 300-2000 mm and thickness of 30-250 mm. By means of altering the conic size and sizes of the conic roll, disc forgings of different sizes may be rolled. The present invention can form disc forging continuously and form large forging in small apparatus.

The invention discloses a digital microfluidic droplet driving device and method. The digital microfluidic droplet driving device comprises a first substrate, a second substrate and a control circuitlayer. A droplet accommodating space is formed between the first substrate and the second substrate. A reference electrode is arranged in one side of the first substrate. A first hydrophobic layer isarranged in one side of the reference electrode layer. A driving electrode layer is arranged in one side of the second substrate. The driving electrode layer comprises multiple driving electrode blocks spaced apart from each other. A dielectric layer is disposed on one side of the driving electrode layer. A second hydrophobic layer is arranged in one side of the dielectric layer. The control circuit layer comprises a scanning line and a first driving signal line. The scanning line and the first driving signal line intersect to define a plurality of control units. The control units are arrangedcorresponding to the driving electrode blocks. The digital microfluidic droplet driving device can greatly improve the number of independent electrodes in the microfluidic chip and a controllable droplet size and realize free movement, separation and merging of high-density droplets.

A microcavity color OLED device, includes at least one light-emitting layer arranged so as to produce light; a reflector and a semi-transparent reflector forming a microcavity structure for resonating the light produced in the at least one light emitting layer; and a color filter element disposed over the microcavity structure including a light-scattering material selected so as to reduce the angular dependence of the light that has passed through the color filter element.

A tiled display apparatus includes at least five functionally identical transparent partially-overlapped display tiles arranged in two dimensions, each display tile including pixels arranged in a two-dimensional array, and the display tiles being disposed so that light emitted by pixels located beneath a neighboring display tile at the edge of the pixel array passes through the neighboring display tile.