Device for regulating a volumetric flow
First Claim
Patent Images
1. A device for regulating a volumetric flow of a fluid, the device comprising:
- a hose segment having a lumen through which the fluid can flow and having a closable region and a perfusion region;
a hose clamp including a housing with an accommodating region for the hose segment and a clamping element adapted to move rotationally about a center of rotation in a first direction and in a second direction that is opposite to the first direction among a closed regulation position, an open regulation position and a perfused regulation position, and in interaction with first and second sections of the accommodating region as first and second pressing points on the closable region and the perfusion region, respectively, of the hose segment, at least one counter-pressure element of the clamping element acting on the hose segment to achieve the closed regulation position and the perfused regulation position, respectively;
for the perfused regulation position a spacer is arranged in the lumen of the hose segment at least in the perfusion region; and
the device can be set, without movement of the center of rotation along the lumen of the hose segment, to at least the closed regulation position, the open regulation position and the perfused regulation position when the clamping element is moved rotationally about the center of rotation, wherein (i) in the closed regulation position the lumen of the hose segment is completely closed in the closable region when the clamping element is rotated in the first direction, (ii) in the perfused regulation position the lumen of the hose segment is kept at least partially open by the spacer in the perfused region of the hose segment when the clamping element is rotated in the second direction, and (iii) the open regulation position is achieved by rotating the clamping element between the closed and perfused regulation positions.
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Accused Products
Abstract
A hose segment, and a device for using the hose segment, to regulate a volumetric flow rate, including the hose segment through which fluid can flow, and a hose clamp including a basic housing having an accommodating region for the hose segment and a clamping element that can be moved between at least two regulation positions. The clamping element has an effect on the hose segment in interaction with segments of the accommodating region as pressing points at least in one regulation position.
18 Citations
19 Claims
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1. A device for regulating a volumetric flow of a fluid, the device comprising:
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a hose segment having a lumen through which the fluid can flow and having a closable region and a perfusion region; a hose clamp including a housing with an accommodating region for the hose segment and a clamping element adapted to move rotationally about a center of rotation in a first direction and in a second direction that is opposite to the first direction among a closed regulation position, an open regulation position and a perfused regulation position, and in interaction with first and second sections of the accommodating region as first and second pressing points on the closable region and the perfusion region, respectively, of the hose segment, at least one counter-pressure element of the clamping element acting on the hose segment to achieve the closed regulation position and the perfused regulation position, respectively; for the perfused regulation position a spacer is arranged in the lumen of the hose segment at least in the perfusion region; and the device can be set, without movement of the center of rotation along the lumen of the hose segment, to at least the closed regulation position, the open regulation position and the perfused regulation position when the clamping element is moved rotationally about the center of rotation, wherein (i) in the closed regulation position the lumen of the hose segment is completely closed in the closable region when the clamping element is rotated in the first direction, (ii) in the perfused regulation position the lumen of the hose segment is kept at least partially open by the spacer in the perfused region of the hose segment when the clamping element is rotated in the second direction, and (iii) the open regulation position is achieved by rotating the clamping element between the closed and perfused regulation positions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A device for regulating a volumetric flow of a fluid, the device comprising:
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a hose segment having a lumen through which the fluid can flow and having a closable region and a perfusion region; a hose clamp including a housing with an accommodating region for the hose segment and a clamping element adapted to move rotationally about a center of rotation in a first direction and in a second direction that is opposite to the first direction among a closed regulation position, an open regulation position and a perfused regulation position; the clamping element defining two counter-pressure elements, wherein (a) one of the counter-pressure elements acts on the closable region of the hose segment to achieve the closed regulation position and (b) another of the counter-pressure elements acts on the perfusion region of the hose segment to achieve the perfused regulation position; for the perfused regulation position a spacer is arranged in the lumen of the hose segment at least in the perfusion region; and the device can be set, without movement of the center of rotation along the lumen of the hose segment, to at least the closed regulation position, the open regulation position and the perfused regulation position when the clamping element is moved rotationally about the center of rotation, wherein (i) in the closed regulation position the lumen of the hose segment is completely closed in the closable region when the clamping element is rotated in the first direction to press one of the counter-pressure elements against the closable region, (ii) in the perfused regulation position the lumen of the hose segment is kept at least partially open by the spacer in the perfused region of the hose segment when the clamping element is rotated in the second direction to press the other of the counter-pressure elements against the perfused region, and (iii) the open regulation position is achieved by rotating the clamping element between the closed and perfused regulation positions. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification