Abstract: A tissue restoration composition in a colloidal phase, includes a copolymer in which a hydrophobic biocompatible polymer and a hydrophilic biocompatible polymer are polymerized and which is dispersed in water. The colloidal phase has increased viscosity by heating the copolymer dispersed in water. The colloidal phase has a viscosity, by the heating, of 20-200,000 cP.

Abstract: Provided is a tooth analysis server including: a server communication unit linked with a tooth photographing device for photographing teeth to communicate with a user terminal; a database management unit for managing an image of the photographed teeth as data; an analysis unit for analyzing a state of the teeth of the user according to the request; and a result providing unit for providing an analysis result for the state of the teeth of the user to the user terminal, wherein the analysis unit receives a first image obtained by photographing the teeth of the user at a first speed from the tooth photographing device to perform a first analysis, and receives a second image obtained by photographing the doubtful area at a second speed slower than the first speed from the tooth photographing device to perform a second analysis.

Abstract: The present invention relates to porous microparticles of a biodegradable polymer, and a polymer filler comprising the same.

Abstract: The present invention relates to porous microparticles of a biodegradable polymer, and a polymer filler comprising the same.

Abstract: Disclosed are a composition for tissue repair treatment using a non-toxic biocompatible polymer and a method for manufacturing the same. The composition includes a copolymer in which a hydrophobic biocompatible polymer and a hydrophilic biocompatible polymer are polymerized, and having a colloidal phase in which the copolymer is dispersed in water. The method including: preparing a polymer by polymerizing a hydrophobic biocompatible polymer and a hydrophilic biocompatible polymer; and obtaining a colloidal solution by adding the polymer to water.

Abstract: An anti-adhesion composition with a good anti-adhesion property as well as a good biocompatibility, a surgical mesh composite with anti-adhesion property comprising the same and method for producing the same are provided.

Abstract: Provided is a non-woven fabric type composite hemostatic agent, obtained by overlapping (i) at least one web of a first polymer selected from the group consisting of biodegradable polymers, oxidative regeneration cellulose, and alkali metal salt neutralizers of oxidative regeneration cellulose and (ii) at least one web of a second polymer selected from the group consisting of oxidative regeneration cellulose and alkali metal salt neutralizers thereof, followed by needle punching, compressing, and integrating.

Abstract: The present invention relates to a monofilament with a segmented pie structure formed by conjugated spinning of degradable polymers and non-degradable polymers, a hernia mesh having improved flexibility and biocompatibility, and a preparation method of the monofilament. More specifically, the hernia mesh of the present invention having improved flexibility and biocompatibility is prepared using the monofilament obtained by conjugated spinning of degradable polymers and non-degradable polymers into a segmented pie form, to control it to be gradually degraded in the body, whereby the stiffness of the early stage is removed, and thereby the foreign body sensation is also removed.

Abstract: A self bias buffer circuit includes a buffer and bias controller. The buffer provides a self bias voltage based on a reference voltage and to be driven based on the self bias voltage. The buffer also generates an output signal based on a comparison of an input signal and the reference voltage. The bias controller adjusts the self bias voltage based on the reference voltage.

Abstract: A compensation circuit for use with an input buffer includes an input buffer configured to amplify an input signal and output a compensated signal. A process detector includes a replica of the input buffer. The process detector is configured to output at least one comparison signal indicating a variation in the input buffer. The input buffer controls an output signal based on the at least one comparison signal.

Abstract: The present invention relates to a monofilament with a segmented pie structure formed by conjugated spinning of degradable polymers and non-degradable polymers, a hernia mesh having improved flexibility and biocompatibility, and a preparation method of the monofilament. More specifically, the hernia mesh of the present invention having improved flexibility and biocompatibility is prepared using the monofilament obtained by conjugated spinning of degradable polymers and non-degradable polymers into a segmented pie form, to control it to be gradually degraded in the body, whereby the stiffness of the early stage is removed, and thereby the foreign body sensation is also removed.

Abstract: A self bias buffer circuit includes a buffer and bias controller. The buffer provides a self bias voltage based on a reference voltage and to be driven based on the self bias voltage. The buffer also generates an output signal based on a comparison of an input signal and the reference voltage. The bias controller adjusts the self bias voltage based on the reference voltage.

Abstract: An anti-adhesion composition with a good anti-adhesion property as well as a good biocompatibility, a surgical mesh composite with anti-adhesion property comprising the same and method for producing the same are provided.

Abstract: A compensation circuit for use with an input buffer includes an input buffer configured to amplify an input signal and output a compensated signal. A process detector includes a replica of the input buffer. The process detector is configured to output at least one comparison signal indicating a variation in the input buffer. The input buffer controls an output signal based on the at least one comparison signal.

Abstract: A semiconductor memory device for controlling an operation of a delay-locked loop (DLL) circuit is provided. The semiconductor memory device includes a DLL circuit that receives an external clock signal and that performs a locking operation on the external clock signal and an internal clock signal, thereby obtaining a locked state. A control unit controls the DLL circuit to constantly maintain the locked state during an updating period of an auto-refresh period of an auto-refresh operation for refreshing memory banks.

Abstract: The duty correcting circuit includes a duty cycle corrector, a duty detector and a duty correction code generator. The duty cycle corrector corrects a duty cycle of an input clock signal to generate an output clock signal. The duty detector adjusts a delay time of the output clock signal to generate a sampling clock signal, samples the output clock signal in response to the sampling clock signal to generate sample data, and detects a duty of the output clock signal based on logic states of the sample data. Therefore, the duty correcting circuit precisely detects and corrects a duty of the output clock signal.

Abstract: A calibration circuit includes a pad connected between an external resistor connected to a first voltage source and a first node, a first resistor unit connected between the first node and a second voltage source, a second resistor unit connected between a second node and the second voltage source, a first control unit for generating and outputting a first output signal, a first pull-down circuit connected between the second node and the first voltage source, a second pull-down circuit connected between a third node and the first voltage source, a second control unit for generating and outputting a second output signal, and a pull-up circuit connected between the third node and the second voltage source.

Abstract: A delay locked loop (DLL) circuit is disclosed. The DLL circuit includes a delay circuit and a phase adjusting circuit. The phase adjusting circuit is configured to receive a clock signal output from the delay circuit, pass the clock signal through a N-divider and a replica path to create a N-divided delay signal, and detect phase information about an external clock signal in response to a rising edge and a falling edge of the N-divided delay signal, wherein N denotes a natural number. The delay circuit is configured to output the clock signal by adjusting a phase of the external clock signal in response to a result of the detection. A semiconductor device, semiconductor system, and method are also disclosed.

Abstract: A semiconductor memory device for controlling an operation of a delay-locked loop (DLL) circuit is provided. The semiconductor memory device includes a DLL circuit that receives an external clock signal and that performs a locking operation on the external clock signal and an internal clock signal, thereby obtaining a locked state. A control unit controls the DLL circuit to constantly maintain the locked state during an updating period of an auto-refresh period of an auto-refresh operation for refreshing memory banks.

Abstract: A delay-locked loop includes a delay line and a duty correction block. The delay line includes receives an input clock signal and includes a cascade of delay cells for respectively generating a plurality of delayed input clock signals based on the input clock signal. The duty correction block is for correcting a duty ratio of the input clock signal based on a duty ratio of at least one clock signal from among the input clock signal and the plurality of delayed input clock signals in a first duty correction operation in which the duty ratio of the input clock signal is corrected, and correcting a duty ratio of an output clock signal based on the duty ratio of the output clock in a second duty correction operation in which the duty ratio of the output clock signal is corrected.