Stopcock valve
First Claim
1. A medical stopcock comprising:
- a medical stopcock main body including;
a chamber part having an inner surface defining an open space part, the inner surface being formed spherically, the chamber part defining a guide hole therein extending from the inner surface to an outside, the guide hole including a horizontal guide hole extending along a horizontal axis and a vertical guide hole extending from an approximate center of the horizontal guide hole along a vertical axis; and
plural branch-tubes extending outwardly from the chamber part, the plural branch-tubes including a pair of horizontal branch-tubes extending in opposite directions along the horizontal axis and a vertical branch-tube extending along the vertical axis; and
a valve main body defining an approximately spherical shape installed in the chamber part; and
a rod-shaped operating part passing through the guide hole, the rod-shaped operating part being configured to move along the horizontal guide hole to selectively control fluid communication between the pair of horizontal branch-tubes, the horizontal guide hole configured to permit movement of the rod-shaped operating part therealong in a horizontal direction and to substantially prevent movement of the rod-shaped operating part therealong in a vertical direction, and the rod-shaped operating part being configured to move along the vertical guide hole to selectively control fluid communication between the vertical branch-tube and the horizontal branch-tubes, the vertical guide hole configured to permit movement of the rod-shaped operating part therealong in a vertical direction and to substantially prevent movement of the rod-shaped operating part therealong in a horizontal direction.
5 Assignments
0 Petitions
Accused Products
Abstract
A medical stopcock which allows easier switching operation of plural branch-tubes. The main body of the stopcock comprises a chamber part with a nearly spherical inner surface, and an upstream branch-tube, a downstream branch-tube and a merge-branch-tube all extending from the chamber part. A valve body of the stopcock comprises a nearly spherical valve main body and a rod-shaped operating part with a guide hole linking the inner surface of the chamber part to the outside. In operation, the rod-shaped operating part is moved along the guide hole through the use of the horizontal flow passages and the vertical flow passage to allow the predetermined branch-tubes out of the upstream branch-tube, the downstream branch-tube and the merge-branch-tube to communicate with one another or to shut-off the communication.
8 Citations
7 Claims
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1. A medical stopcock comprising:
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a medical stopcock main body including; a chamber part having an inner surface defining an open space part, the inner surface being formed spherically, the chamber part defining a guide hole therein extending from the inner surface to an outside, the guide hole including a horizontal guide hole extending along a horizontal axis and a vertical guide hole extending from an approximate center of the horizontal guide hole along a vertical axis; and plural branch-tubes extending outwardly from the chamber part, the plural branch-tubes including a pair of horizontal branch-tubes extending in opposite directions along the horizontal axis and a vertical branch-tube extending along the vertical axis; and a valve main body defining an approximately spherical shape installed in the chamber part; and a rod-shaped operating part passing through the guide hole, the rod-shaped operating part being configured to move along the horizontal guide hole to selectively control fluid communication between the pair of horizontal branch-tubes, the horizontal guide hole configured to permit movement of the rod-shaped operating part therealong in a horizontal direction and to substantially prevent movement of the rod-shaped operating part therealong in a vertical direction, and the rod-shaped operating part being configured to move along the vertical guide hole to selectively control fluid communication between the vertical branch-tube and the horizontal branch-tubes, the vertical guide hole configured to permit movement of the rod-shaped operating part therealong in a vertical direction and to substantially prevent movement of the rod-shaped operating part therealong in a horizontal direction. - View Dependent Claims (2, 3, 4)
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5. A medical stopcock comprising:
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a medical stopcock main body including; a chamber part having an inner surface defining an open space, the inner surface being formed approximately spherically, the chamber part defining a guide hole therein extending from the inner surface to an outside, the guide hole including a horizontal guide hole extending along a horizontal axis and a vertical guide hole extending from the horizontal guide hole along a vertical axis; and plural branch-tubes extending outwardly from the chamber part, the plural branch-tubes including a pair of horizontal branch-tubes extending in opposite directions along the horizontal axis and a vertical branch-tube extending along the vertical axis, and a valve body including; a valve main body defining an approximately spherical shape installed in the chamber part; and a rod-shaped operating part passing through the guide hole, the rod-shaped operating part being configured to move along the horizontal guide hole to selectively control fluid communication between the pair of horizontal branch-tubes, wherein substantial change in a degree of fluid communication through the vertical branch-tube is prevented during movement of the rod-shaped operating part along the horizontal guide hole, and the rod-shaped operating part being configured to move along the vertical guide hole to selectively control communication between the vertical branch-tube and the horizontal branch-tubes, wherein substantial change in a degree of fluid communication between the pair of horizontal branch-tubes is prevented during movement of the rod-shaped operating part along the vertical guide hole. - View Dependent Claims (6, 7)
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Specification