Abstract: A medical elastic sheet includes a plate-like base portion, and rib portions formed on at least one surface of the base portion, wherein the base portion comprises a plurality of cell regions that are each surrounded on an entire circumference by the rib portions and are continuously formed in plane through the rib portions, and wherein the rib portions are continuously connected to each other.

Abstract: There is provided an endoscopic snare including: a flexible sheath 1; a cable 2 configured to slide in the sheath; a snare loop 3 connected to the cable 2, and projecting from or retracting into the sheath 1; a distal end tip 4 disposed in a distal end part of the sheath and retaining the snare loop 3; and a hand operating part for operating the snare loop 3 via the cable 2. One end of the snare loop 3 is attached to the distal end tip and the other end of the snare loop 3 is attached to a distal end of the cable. The snare loop 3 is expanded into a ring shape without a protruding portion when it is projected from the sheath 1, and is formed into an asymmetric shape where expansion is deviated to either side about an axis of the sheath.

Abstract: An eyelids opening device with a drape comprising a flexible upper ring (1) applied in contact with the face while surrounding eyelids, a lower ring (2) inserted into a conjunctiva sac and applied in contact with the eyelids conjunctiva side, and an elastic sheet (3) of soft tubular thin film located to extend from the face side to the eyelids conjunctiva side and used to fix one end to the upper ring and to fix the other end to the lower ring by expanding, wherein the outside diameter at the smallest portion of the elastic sheet is substantially equal to or longer than the interpalpebral length (between upper and lower eyelids). Difference in size of conjunctiva sac or interpalpebral length of individuals is absorbed even by an appliance of one size, the eyelids can be opened by fitting the eyelids opening device to the eyelids or the face while burden on the eyeball is reduced and high safety is ensured.

Abstract: An ultrasonic puncture needle for conducting puncturing while observing a puncturing condition by an ultrasonic image, includes a needle tube main body including an edge at its tip end, and a plurality of corner cube mirrors provided at a predetermined position of the needle tube main body, wherein the plurality of corner cube mirrors are provided in parallel with a center axis of the needle tube main body.

Abstract: An eyelids opening device with a drape comprising a flexible upper ring (1) applied in contact with the face while surrounding eyelids, a lower ring (2) inserted into a conjunctiva sac and applied in contact with the eyelids conjunctiva side, and an elastic sheet (3) of soft tubular thin film located to extend from the face side to the eyelids conjunctiva side and used to fix one end to the upper ring and to fix the other end to the lower ring by expanding, wherein the outside diameter at the smallest portion of the elastic sheet is substantially equal to or longer than the interpalpebral length (between upper and lower eyelids). Difference in size of conjunctiva sac or interpalpebral length of individuals is absorbed even by an appliance of one size, the eyelids can be opened by fitting the eyelids opening device to the eyelids or the face while burden on the eyeball is reduced and high safety is ensured.

Abstract: A puncture needle capable of clear imaging even if an angle to the irradiation direction of a detection wave such as an ultrasonic wave of an ultrasonic probe is small. According to one embodiment, a ultrasonic puncture needle (1) that conducts puncturing while observing a puncturing condition by means of a ultrasonic image is formed with an edge (13) at the tip end of a puncture needle main body (1), and formed at a specified position of the puncture needle main body (11) with at least one corner cube mirror (12) formed by a triangular pyramid recess. Since a ultrasonic wave oscillated from the ultrasonic probe is reflected off the corner cube mirror (12) to be returned to the ultrasonic probe, the reflected wave progresses in the same direction as the incident direction of the ultrasonic wave to be positively returned to the probe even when an angle formed by the irradiation route of a ultrasonic wave and the axis of the puncture needle is small.

Abstract: A drying method, a drying device, and a drying machine, capable of remarkably reducing a drying time by assigning the standby time for an article to be dried to a preliminary drying time in drying, wherein hot air is supplied to the drying machine so as to dry the article to be dried and, at the same time, hot air exhausted from the drying machine is led into a preliminary drying machine so as to preliminarily dry the article to be dried before drying, and then the article to be dried contained in the preliminary drying machine is fed to the drying machine for drying.

Abstract: An improved zoom telescope which has a freely rotatable annular zoom ring connected through an interposition gear to a cam cylinder.

Abstract: There is provided a method for lining the internal surface of a pipe having a first open end and a second open end.

Abstract: Liquefied resin is supplied into a pipeline having a branch pipe from an end. Mass of the resin is moved by compressed air passing through the pipeline at constant speed, thereby lining inner walls of the pipeline and branch pipe with the resin.

Abstract: A system for repairing joints in pipes laid underground, such as gas pipes, in their buried state, from their inside, to ensure their sealing.The system, in the process of pushing the resin used for repairing along the inside of the pipes by the pig, is to fill and seal the sealing material with the resin through gaps in numerous pipe joints inside of the pipes. In order to guarantee insertion of resin into gaps in the pipe joints (sealing material) whether or not the pipe joint has developed a leak, the system comprises a substitution pig, and a means whereby the pig pushes the resin placed ahead of it along the pipe, and further, a means whereby the filling amount of the resin does not change even if the amount of resin present in front of the pig differs between the early and later stages of the repairing operation, gaps in the pipe joints will be uniformly filled.

Abstract: A method for repairing pipes laid underground, such as gas pipes, consisting of a main supply pipe from which numerous distribution pipes branch off to supply the individual users, the method using resin to repair the main supply pipe and the distribution pipes from the inside while in their buried state.The repair method of this invention is characterized by the fact that, having repaired the main supply pipe and the distribution pipe in successive operations, whether the repairs to the main supply pipe and the distribution pipes have been done properly or not can be confirmed on completion of the repairs by carrying out sealage tests on the distribution pipes and the main supply pipe.

Abstract: A method for lining pipes in a town gas underground pipeline. The method is characterized in that carrier air is flown together with plastics mist passing through a route comprising a branch line for distributing the gas to consumers, so that the pipeline and branch pipe are lined with the plastics.

Abstract: A pig for repairing interior portions of a pipeline with resin. The pig has a cylindrical portion diameter of which is slightly smaller than the inner diameter of the pipeline so as to allow the moving of the pig in the pipeline.A pair of introduction portions are formed by slanting rear portions of the cylindrical portion.A pair of discharge grooves are axially formed in the cylindrical portion. The discharge grooves are overlapped with the introduction portions interposing periphery portions of the cylindrical portion and opened to the front of the cylindrical portion. Thus the resin in the rear side of the pig can be discharged to the front side passing through the periphery portions and discharge grooves.

Abstract: A method for lining pipes in a pipeline. The method is characterized in that the air in the pipeline is sucked from an outlet by a vacuum pump together with plastics mist, and additional air is supplied from an inlet of the pipeline at a low pressure, so that the pipeline is lined with the plastics. The residual plastics mist is recovered into a tank at the outlet end of the pipeline.

Abstract: A method for lining pipes of a pipeline. The method is characterized in that at a first stage, mist of plastics having a low viscosity is passed through the pipeline by carrier air at a low pressure, and at a second stage mist of plastics having a high viscosity is carried through the pipeline at a high pressure, thereby to form double layers of plastics on the inner wall of the pipeline.