Measuring mechanism, and fixed-quantity dispensing container and fixed-quantity applicator including the same

A method for curing, preventing or treating a disease in a human by applying a pharmaceutical preparation on a body surface of the human, comprising:

• a) providing a quantitative dispensing container including a container body capable of containing a liquid pharmaceutical preparation and a measuring mechanism mounted on the container body,
• the measuring mechanism including a base attached to the container body and a head defining a measurement space between the base and the head,
• the measuring mechanism including an application surface adapted to apply the pharmaceutical preparation to the body surface,
• the base including a first passageway adapted to allow the pharmaceutical preparation to flow from an interior of the container body into the measurement space, and a first check valve located on the first passageway,
• the head including a second passageway adapted to discharge the pharmaceutical preparation inside the measurement space such that the pharmaceutical preparation stays on the application surface, and a second check valve located on the second passageway,
• the measuring mechanism adapted to discharge a measured amount of the pharmaceutical preparation to an outside in response to a predetermined operation of the head including a measurement operation for increasing a volume of the measurement space and a discharge operation for reducing the volume of the measurement space, the measured amount being a predetermined fixed amount or an arbitrary amount,
• wherein a valve body of the first check valve is shaped as a disk made of a material containing silicone, and only an upper surface and a peripheral surface of the valve body are exposed to the measurement space when pressure in the measurement space and pressure in the supplier are substantially equal or when the pressure in the measurement space is a positive pressure relative to the pressure in the supplier;
• b) measuring the predetermined fixed amount or the arbitrary amount by the first check valve being opened when the head is pulled up relative to the base while the second check valve remains closed such that the pharmaceutical preparation flows into the measurement space defined by the base and the head,
• c) discharging the measured amount of the pharmaceutical preparation such that the pharmaceutical preparation stays on the application surface by the first check valve being closed and the second check valve being opened when the head is pushed down relative to the base;
• and
• d) applying the discharged pharmaceutical preparation on the application surface to the body surface.

A quantitative dispensing container including a container body for preserving a liquid composition and a measuring mechanism for measuring a liquid composition, wherein the measuring mechanism is mounted on the container body,

• the measuring mechanism including a base and a head defining a measurement space between the base and the head,
• the base including a first passageway adapted to allow the liquid composition to flow from a supplier into the measurement space, and a first check valve located on the first passageway,
• the head including a second passageway adapted to discharge the composition inside the measurement space to an outside, and a second check valve located on the second passageway, and
• the measuring mechanism adapted to discharge a measured amount of the composition to the outside in response to a predetermined operation of the head including a measurement operation for increasing a volume of the measurement space and a discharge operation for reducing the volume of the measurement space, the measured amount being a predetermined fixed amount or an arbitrary amount,
• the measuring mechanism including the base attached to the container body and the head defining the measurement space between the base and the head, the base and the head constructed such that the volume of the measurement space is changeable by an operation of the head, and
• the first check valve of the base including a valve body having such an outer-surface geometry that a sealability of the first check valve increases as a pressure inside the measurement space increases,
• wherein a flat valve seat is provided on the first passageway, the valve body of the first check valve is shaped as a plate adapted to abut the valve seat in a direction toward the container body away from the measurement space and has an upper surface adapted to receive a pressure in the measurement space so as to increase sealability.

A quantitative dispensing container including a container body for preserving a liquid composition and a measuring mechanism for measuring a liquid composition, wherein the measuring mechanism is mounted on the container body,

• the measuring mechanism including a base and a head defining a measurement space between the base and the head,
• the base including a first passageway adapted to allow the liquid composition to flow from a supplier into the measurement space, and a first check valve located on the first passageway,
• the head including a second passageway adapted to discharge the composition inside the measurement space to an outside, and a second check valve located on the second passageway, and
• the measuring mechanism adapted to discharge a measured amount of the composition to the outside in response to a predetermined operation of the head including a measurement operation for increasing a volume of the measurement space and a discharge operation for reducing the volume of the measurement space, the measured amount being a predetermined fixed amount or an arbitrary amount,
• the measuring mechanism including the base attached to the container body and the head defining the measurement space between the base and the head, the base and the head constructed such that the volume of the measurement space is changeable by an operation of the head, and
• the first check valve of the base including a valve body having such an outer-surface geometry that a sealability of the first check valve increases as a pressure inside the measurement space increases,
• wherein a flat valve seat is provided on the first passageway, the valve body of the first check valve is shaped as a disk adapted to abut the valve seat in a direction toward the container body away from the measurement space and has an upper surface adapted to receive a pressure in the measurement space so as to increase sealability, and only the upper surface and a peripheral surface are exposed to the measurement space when pressure in the measurement space and pressure in the outside are substantially equal or when the pressure in the measurement space is a positive pressure relative to the pressure in the outside.

A quantitative dispensing container including a container body for preserving a liquid composition and a measuring mechanism for measuring a liquid composition, wherein the measuring mechanism is mounted on the container body,

• the measuring mechanism including a base and a head defining a measurement space between the base and the head,
• the base including a first passageway adapted to allow the liquid composition to flow from a supplier into the measurement space, and a first check valve located on the first passageway,
• the head including a second passageway adapted to discharge the composition inside the measurement space to an outside, and a second check valve located on the second passageway,
• the measuring mechanism adapted to discharge a measured amount of the composition to the outside in response to a predetermined operation of the head including a measurement operation for increasing a volume of the measurement space and a discharge operation for reducing the volume of the measurement space, the measured amount being a predetermined fixed amount or an arbitrary amount,
• the measuring mechanism including the base attached to the container body and the head defining the measurement space between the base and the head, the base and the head constructed such that the volume of the measurement space is changeable by an operation of the head, and
• the first check valve of the base including a valve body having such an outer-surface geometry that a sealability of the first check valve increases as a pressure inside the measurement space increases,
• wherein an outside-air inlet is provided in the base or the container body, the outside-air inlet is adapted to communicate an interior of the container body with outside air, the first check valve is adapted to operate to become open by virtue of a difference between a negative pressure inside the measurement space generated as the volume of the measurement space has been increased by an operation of the head, on one hand, and an outside pressure within the container body, on the other, and the second check valve is adapted to operate to become open by virtue of a difference between a pressure inside the measurement space generated when the volume of the measurement space has been reduced by an operation of the head, on one hand, and the outside pressure, on the other.

A quantitative dispensing container including a container body capable of containing a liquid composition and a quantitative applicator,

• the quantitative applicator including a measuring mechanism for measuring a liquid composition and an application surface,
• the measuring mechanism including a base and a head defining a measurement space between the base and the head,
• the base including a first passageway adapted to allow the liquid composition to flow from a supplier into the measurement space, and a first check valve located on the first passageway,
• the head including a second passageway adapted to discharge the composition inside the measurement space to an outside, and a second check valve located on the second passageway, and
• the measuring mechanism adapted to discharge a measured amount of the composition to the outside in response to a predetermined operation of the head including a measurement operation for increasing a volume of the measurement space and a discharge operation for reducing the volume of the measurement space, the measured amount being a predetermined fixed amount or an arbitrary amount,
• the application surface is an application surface provided on an upper side of the head to hold the measured amount of the composition discharged by the predetermined operation of the head so as to be applied to a body surface,
• wherein the base of the measuring mechanism included in the quantitative applicator is a base attached to the container body, and the measurement space and an interior of the container body are capable of communicating with each other via the first passageway, the interior of the container body constituting the supplier, and
• wherein an outside-air inlet for communicating the interior of the container body with outside air is provided in the base or the container body.