Abstract: A ventricular pressure waveform estimation device includes a calculation unit. The calculation unit estimates a plurality of coefficients of a model equation that indicates a left ventricular pressure waveform or a right ventricular pressure waveform by using values of one or more parameters related to a heartbeat or an arterial pressure to estimate at least a part of the left ventricular pressure waveform or the right ventricular pressure waveform.

Abstract: The present invention relates to a laminated glass including a first glass plate, a second glass plate and an intermediate layer provided between the first glass plate and the second glass plate, in which the first glass plate has a first face and a second face opposing the first face, the second glass plate has a third face and a fourth face opposing the third face, the intermediate layer is provided between the second face and the third face, the second glass plate is a chemically-strengthened glass, and in the second glass plate, when a compressive stress on the third face is denoted as CS(3), a tensile stress generated in an interior of the second glass plate is denoted as CT, a thickness of the second glass plate is denoted as t, a depth of the compressive stress on a side of the third face is denoted as DOL(3) and a depth of a compressive stress on a side of the fourth face is denoted as DOL(4), CS(3)/[CT2×{t?(DOL(3)+DOL(4))}] is greater than 1.1 MPa?1×mm.

Abstract: A method of retrieving calculus in a renal pelvis of a living body involves positioning an enclosure in the renal pelvis, creating convection in the renal pelvis by introducing liquid into the renal pelvis from outside the living body to lift the calculus from a surface of the renal pelvis, retrieving the calculus in the renal pelvis by creating a vacuum in the enclosure while the enclosure is located in the renal pelvis so that the calculus are drawn into the enclosure, wherein the vacuum also draws the liquid into the enclosure, and withdrawing the enclosure from the renal pelvis while the calculus is in the enclosure.

Abstract: A spacer and implant assembly are disclosed, the spacer including an outer balloon that is folded so as to be dilatable, and an inner balloon that is folded so as to be dilatable, and that is removably inserted into the outer balloon. The inner balloon dilates in response to introduction of a dilating fluid having a lower viscosity than a viscosity of a filling material inserted into the outer balloon, and the outer balloon dilates in response to the dilation of the inner balloon.

Abstract: A laminated glass includes a first glass plate; a second glass plate with a plate thickness which is less than a plate thickness of the first glass plate; and an intermediate film. The first glass plate and the second glass plate are laminated via the intermediate film. An external dimension of the second glass plate is less than an external dimension of the first glass plate. At least a part of an outer peripheral edge of the second glass plate is located on an inner periphery side with respect to an outer peripheral edge of the first glass plate.

Abstract: A method for accelerating the release of neurotransmitters includes a step of radiating light from within a cerebral blood vessel to accelerate the release of the neurotransmitters. An optomedical device includes a main body configured to be introduced into a cerebral blood vessel; a light emitting unit arranged on the main body, the light emitting unit configured to radiate light to accelerate the release of neurotransmitters; and a control unit configured to control a light emitting action of the light emitting unit.

Abstract: A laminated glass includes a first glass plate; a second glass plate with a plate thickness which is less than a plate thickness of the first glass plate; and an intermediate film. The first glass plate and the second glass plate are laminated via the intermediate film. An external dimension of the second glass plate is less than an external dimension of the first glass plate. At least a part of an outer peripheral edge of the second glass plate is located on an inner periphery side with respect to an outer peripheral edge of the first glass plate.

Abstract: A method of retrieving calculus in a renal pelvis of a living body involves positioning an enclosure in the renal pelvis, creating convection in the renal pelvis by introducing liquid into the renal pelvis from outside the living body to lift the calculus from a surface of the renal pelvis, retrieving the calculus in the renal pelvis by creating a vacuum in the enclosure while the enclosure is located in the renal pelvis so that the calculus are drawn into the enclosure, wherein the vacuum also draws the liquid into the enclosure, and withdrawing the enclosure from the renal pelvis while the calculus is in the enclosure.

Abstract: A medical treatment device for treating glaucoma includes a spherical portion formed in a partially spherical shape configured to align with the curve of an eyeball; and at least one puncture portion protruding from a concave side of the spherical portion.

Abstract: A calculus removing device includes an elongated member and a retrieval part fixed to the elongated member. A discharge force is produced in a lumen in the elongated member to discharge fluid in the lumen into the renal pelvis, and a suction force is produced in the lumen to draw fluid into the lumen from the renal pelvis. An outlet communicates with the lumen, and fluid in the lumen is discharged into the renal pelvis through the outlet in the presence of the discharge force. An inlet communicates with the lumen, and fluid in the renal pelvis is drawn into the lumen through the inlet in the presence of the suction force. The retrieval part includes an interior that communicates with the lumen and the renal pelvis, and the interior is configured to receive the calculus in the renal pelvis in the presence of the suction force.

Abstract: A method of retrieving calculus in a renal pelvis of a living body involves positioning an enclosure in the renal pelvis, creating convection in the renal pelvis by introducing liquid into the renal pelvis from outside the living body to lift the calculus from a surface of the renal pelvis, retrieving the calculus in the renal pelvis by creating a vacuum in the enclosure while the enclosure is located in the renal pelvis so that the calculus are drawn into the enclosure, wherein the vacuum also draws the liquid into the enclosure, and withdrawing the enclosure from the renal pelvis while the calculus is in the enclosure.

Abstract: The present invention relates to a laminated glass including a first glass plate, a second glass plate and an intermediate layer provided between the first glass plate and the second glass plate, in which the first glass plate has a first face and a second face opposing the first face, the second glass plate has a third face and a fourth face opposing the third face, the intermediate layer is provided between the second face and the third face, the second glass plate is a chemically-strengthened glass, and in the second glass plate, when a compressive stress on the third face is denoted as CS(3), a tensile stress generated in an interior of the second glass plate is denoted as CT, a thickness of the second glass plate is denoted as t, a depth of the compressive stress on a side of the third face is denoted as DOL(3) and a depth of a compressive stress on a side of the fourth face is denoted as DOL(4), CS(3)/[CT2×{t?(DOL(3)+DOL(4))}] is greater than 1.1 MPa?1×mm?1.

Abstract: A laminated plate includes a first plate; a second plate; and an intermediate film for bonding the first plate and the second plate, wherein the first plate includes a first main surface arranged at a side opposite to the intermediate film, and a second main surface that contacts the intermediate film, wherein the second plate has a third main surface that contacts the intermediate film, and a fourth main surface arranged at a side opposite to the intermediate film, wherein, upon the bonding by the intermediate film being released, a radius of curvature of the second main surface is smaller than that of the third main surface both in a transverse section and in a longitudinal section, and wherein a maximum value of bending compressive stress at an outer peripheral portion of the fourth main surface is less than or equal to 100 MPa.

Abstract: A spacer and implant assembly are disclosed, the spacer including an outer balloon that is folded so as to be dilatable, and an inner balloon that is folded so as to be dilatable, and that is removably inserted into the outer balloon. The inner balloon dilates in response to introduction of a dilating fluid having a lower viscosity than a viscosity of a filling material inserted into the outer balloon, and the outer balloon dilates in response to the dilation of the inner balloon.

Abstract: A calculus removing device includes an elongated member and a retrieval part fixed to the elongated member. A discharge force is produced in a lumen in the elongated member to discharge fluid in the lumen into the renal pelvis, and a suction force is produced in the lumen to draw fluid into the lumen from the renal pelvis. An outlet communicates with the lumen, and fluid in the lumen is discharged into the renal pelvis through the outlet in the presence of the discharge force. An inlet communicates with the lumen, and fluid in the renal pelvis is drawn into the lumen through the inlet in the presence of the suction force. The retrieval part includes an interior that communicates with the lumen and the renal pelvis, and the interior is configured to receive the calculus in the renal pelvis in the presence of the suction force.

Abstract: A method of retrieving calculus in a renal pelvis of a living body involves positioning an enclosure in the renal pelvis, creating convection in the renal pelvis by introducing liquid into the renal pelvis from outside the living body to lift the calculus from a surface of the renal pelvis, retrieving the calculus in the renal pelvis by creating a vacuum in the enclosure while the enclosure is located in the renal pelvis so that the calculus are drawn into the enclosure, wherein the vacuum also draws the liquid into the enclosure, and withdrawing the enclosure from the renal pelvis while the calculus is in the enclosure.

Abstract: A method for accelerating the release of neurotransmitters includes a step of radiating light from within a cerebral blood vessel to accelerate the release of the neurotransmitters. An optomedical device includes a main body configured to be introduced into a cerebral blood vessel; a light emitting unit arranged on the main body, the light emitting unit configured to radiate light to accelerate the release of neurotransmitters; and a control unit configured to control a light emitting action of the light emitting unit.

Abstract: A medical treatment device for treating glaucoma includes a spherical portion formed in a partially spherical shape configured to align with the curve of an eyeball; and at least one puncture portion protruding from a concave side of the spherical portion.

Abstract: An inertia force sensor that shortens a time from power activation until inertia force can be detected includes an oscillator, an oscillation circuit unit, and a detection circuit unit. The oscillation circuit unit functions as a closed loop self oscillation circuit with the oscillator as a resonant element, and includes a CV conversion circuit converting a monitor signal based on electrostatic capacitance according to an oscillating state of oscillator into a monitor signal based on a voltage corresponding to an amount in change of the electrostatic capacitance, and an automatic gain control circuit controlling gain based on the monitor signal converted at the CV conversion circuit to generate a driving signal, and supplying the driving signal to the oscillator. The CV conversion circuit includes an amplifier that amplifies a monitor signal with an amplification factor for a predetermined period after power activation.

Abstract: An oscillation type inertia force sensor includes an oscillator, an oscillation circuit unit, and a detection circuit unit. The oscillation circuit unit functions as a self oscillation circuit of a closed loop with the oscillator as a resonant element, and includes an AGC circuit. The AGC circuit includes a VGA circuit, a comparison circuit comparing a predetermined reference voltage with a voltage of the monitor signal to output a control signal based on the compared result, and a pulse width modulation circuit modulating the control signal to a pulse width modulation signal. Based on the pulse width modulation signal, the driving signal is modulated with the output of the VGA circuit switched between an ON state and OFF state to control the degree of the amplification factor of the VGA circuit.