Cerebrospinal fluid drainage
Abstract
A cerebrospinal fluid drainage. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.
Claims
exact text as granted — not AI-modified1 . A device for draining cerebrospinal fluid comprising a supply tube and a discharge tube, wherein the supply tube takes up cerebrospinal fluid at a place in the cranial cavity and supplies a valve and the valve supplies the cerebrospinal fluid to a discharge tube, wherein at least one second supply tube and/or at least one second discharge tube is provided, wherein a switchable distributor for the cerebrospinal fluid is provided between the supply tubes and the discharge tubes.
2 - 39 . (canceled)
40 . The device according to claim 1 , wherein:
at least one of:
the various supply tubes take up the cerebrospinal fluid at one or more places, and
the various discharge tubes discharge the cerebrospinal fluid to one or more parts of the body and/or discharge to an external drainage place, and
a slider is used as the distributor with a closing element located therein, with a rotary slider, wherein the rotary slider possesses openings for controlling and/or distributing cerebrospinal fluid which extend in the peripheral direction and/or in the radial direction and/or in the axial direction in the slider, and
at the same time the distributor is designed as a valve, wherein the valve or distributor is equipped with a housing, wherein openings for distributing cerebrospinal fluids are located in the housing which, in relation to the rotating slider, extend in the peripheral direction and/or in the radial direction and/or in the axial direction, wherein the openings are totally or partially sealable;
said device comprises a rotary slider, in which a small clearance or at least a valve ball seal forms a seal on the openings to be sealed; the rotary slider has the shape of a disc, a ring, a rod, a cap or a bell, and is arranged in a pivotably movable or rotatably movable manner in the housing; the valve ball of the valve ball seal reaches into the opening of the housing and forms an arrester for the valve or distributor in the respective pivot position or rotational position; the valve ball seal is located wholly or partially inside a cavity of the ring, the rod, the cap or the bell which forms the rotary slider, or the valve ball seal is located beside the ring, rod, cap or bell and that a spring passes through an opening in the ring, rod, cap or bell to the valve ball seal; the guide is formed by a pivotably movable bearing or is a straight guide; a weight is attached to the valve ball seal, the weight being greater than that of the balls; the valve or distributor is at least partially made of at least one of: ruby, sapphire, tantalum, and titanium; said device comprises a discoidal shape of the housing, wherein the closing element is arranged at a sufficient distance from the housing wall or from the housing base or housing cover for its movement in the housing and at a sufficient distance from the fixtures in the housing for movement; the valve housing or distributor housing possesses at least one cover, and the disc, ring, rod, cap or bell that forms the closing element has a diameter that is smaller than the opening in the housing which corresponds to the cover; the spring is completely or partially fixed to the pivot shaft; the spring is designed as a spring wire or as a leaf spring; the spring is equipped with an adjustment device; the adjustment device possesses a pivotably movable or rotatably movable element that is moved by means of magnets from the exterior by pivoting or rotating, such that the closing element or the spring is wound up or released; said device comprises an activatable brake that when activated prevents, restricts, or minimizes an unintended adjustment movement and when deactivated allows the adjustment movement; said device comprises a self-activating spring-loaded brake that is deactivated by releasing the spring pressure; the housing is:
resilient and has friction surfaces that in the unstressed state of the housing are friction-locked on at least one part of the adjustment device and by pressing together the housing are raised up from the corresponding surfaces of the adjustment device; or
is equipped with a resilient cover that in the unstressed state remains friction-locked to at least one part of the adjustment device and under pressure is raised up from the corresponding surfaces of the adjustment device;
the resilient housing or the cover:
in the locked position of the brake exhibits an outwardly curved initial shape and after being pressed together forms a reduced curvature or a flat surface or an inward curvature;
in the locked position of the brake exhibits a flat initial shape and after being pressed together exhibits an inward curvature;
in the locked position of the brake exhibits an inward curvature and after being pressed together forms a greater inward curvature, or the housing wall possesses an inwardly curved initial shape and undergoes a further inward curvature from the deformation;
said device comprises the use of a rotatably or pivotably movable rotary slider that possesses friction surfaces for locking on the external edge; said device comprises the use of a rotatably or pivotably movable rotary slider that is prestressed with the housing walls that can be pressed together or with the compressible cover; said device comprises a deformation of the housing wall for prestressing to a degree that is one of (i) and (ii), wherein (i) and (ii) are:
(i) equal to twice the wall thickness of the housing; and
(ii) up to 0.1 millimeter;
a rotary slider is used that has a U-shaped cross section, such that the frictional locking occurs on the projecting edge of the U-shape; said device comprises the use of a pressable housing wall or a pressable cover with a thickness of one of (iii) and (iv), wherein (iii) and (iv) are:
(iii) up to 0.5 millimeter; and
(iv) up to 0.2 millimeter;
the housing or the deformable wall of the housing comprises a metal comprising titanium or a titanium alloy; an adjustment device is provided percutaneously, to which belongs a percutaneously pressable, rotatable part with adjusting magnets; said device comprises a pressure control of the rotary slider; said device comprises the use of spring members to indicate the pressure and the pressure limitation and/or the use of elongating measurement strips for measuring the pressure; said device comprises the use of magnets with:
a diameter of one of (v) and (vi), wherein (v) and (vi) are:
(v) up to three millimeters; and
(vi) up to one millimeter; and
a height of one of (vi) and (vii), wherein (vi) and (vii) are:
(vi) up to five millimeters; and
(vii) up to two millimeters;
at least one of (viii) and (ix), wherein (viii) and (ix) are:
(viii) the magnets in the externally lying adjustment device are at a distance from one another that deviates from the magnets in the internally lying adjustment device by one of one of (x) and (xi), wherein (x) and (xi) are:
(x) at most three millimeters; and
(xi) at most one millimeter; and
(ix) the magnets are distanced apart by one of (xii), (xiii), and (xiv), wherein (xii), (xiii), and (xiv) are:
(xii) at most twenty millimeters;
(xiii) at most ten millimeters; and
(xiv) at most eight millimeters;
the externally lying adjustment device is equipped with a measuring device for the adjustment movement; the measuring device is a pressure measurement device and/or a device for measuring rotation; the externally lying adjustment device acts freely on the magnet position of the closing element and is adjustable and that the rotation position of the magnets can be read off externally; the internally lying adjustment device possesses a spring in the form of a metallic wire or sheet, whose cross section is circular or rectangular and whose diameter or thickness is one of (xv), (xvi), and (xvii), wherein (xv), (xvi), and (xvii) are:
(xv) up to 0.5 millimeters;
(xvi) up to 0.3 millimeters; and
(xvii) up to 0.2 millimeters;
the spring bar is designed as one of (A) and (B), wherein (A) and (B) are:
(A) a single-armed lever; and
(B) a two-armed lever, of which one lever arm presses against the adjustment plate and whose other lever arm presses against the valve ball or valve cap of the valve or distributor in operative connection;
the spring bar is flexibly mounted and presses in a sliding contact against a cam disc of the closing element and/or presses in a sliding contact against the valve ball closure; the valve or distributor has:
an external diameter of one of (xviii) and (xix), wherein (xviii) and (xix) are:
(xviii) up to thirty-one millimeters; and
(xix) up to twenty millimeters; and
a height of one of (xx) and (xxi), wherein (xx) and (xxi) are:
(xx) up to ten millimeters; and
(xxi) up to six millimeters; and
the weight is positively connected with the spring element to be adjusted.
41 . The device according to claim 1 , wherein:
a) the various supply tubes take up the cerebrospinal fluid at one or more places and/or b) the various discharge tubes discharge the cerebrospinal fluid to one or more parts of the body and/or discharge to an external drainage place and/or c) a slider is used as the distributor with a closing element located therein, with a rotary slider, wherein the rotary slider possesses openings for controlling and/or distributing cerebrospinal fluid which extend in the peripheral direction and/or in the radial direction and/or in the axial direction in the slider and/or d) at the same time the distributor is designed as a valve, wherein the valve or distributor is equipped with a housing, wherein openings for distributing cerebrospinal fluids are located in the housing which, in relation to the rotating slider, extend in the peripheral direction and/or in the radial direction and/or in the axial direction,
wherein the openings are totally or partially sealable.
42 . The device according to claim 41 , wherein said device comprises a rotary slider, in which a small clearance or at least a valve ball seal forms a seal on the openings to be sealed.
43 . The device according to claim 42 , wherein:
the rotary slider has the shape of a disc, a ring, a rod, a cap or a bell, and is arranged in a pivotably movable or rotatably movable manner in the housing; and the valve ball of the valve ball seal reaches into the opening of the housing and forms an arrester for the valve or distributor in the respective pivot position or rotational position.
44 . The device according to claim 43 , wherein one of:
the valve ball seal is located wholly or partially inside a cavity of the ring, the rod, the cap or the bell which forms the rotary slider; and the valve ball seal is located beside the ring, rod, cap or bell and that a spring passes through an opening in the ring, rod, cap or bell to the valve ball seal.
45 . The device according to claim 44 , wherein:
the guide is formed by a pivotably movable bearing or is a straight guide; a weight is attached to the valve ball seal, the weight being greater than that of the balls; and the weight is positively connected with the spring element to be adjusted.
46 . The device according to claim 45 , wherein:
the valve or distributor is at least partially made of at least one of: ruby, sapphire, tantalum, and titanium; and the valve housing or distributor housing possesses at least one cover, and the disc, ring, rod, cap or bell that forms the closing element has a diameter that is smaller than the opening in the housing which corresponds to the cover; said device comprises a discoidal shape of the housing, wherein the closing element is arranged at a sufficient distance from the housing wall or from the housing base or housing cover for its movement in the housing and at a sufficient distance from the fixtures in the housing for movement.
47 . The device according to claim 44 , wherein:
the spring is completely or partially fixed to the pivot shaft; the spring is designed as a spring wire or as a leaf spring; and the spring is equipped with an adjustment device.
48 . The device according to claim 47 , wherein the adjustment device possesses a pivotably movable or rotatably movable element that is moved by means of magnets from the exterior by pivoting or rotating, such that the closing element or the spring is wound up or released.
49 . The device according to claim 42 , wherein said device comprises an activatable brake that when activated prevents, restricts, or minimizes an unintended adjustment movement and when deactivated allows the adjustment movement.
50 . The device according to claim 49 , wherein:
said device comprises a self-activating spring-loaded brake that is deactivated by releasing the spring pressure; and the housing is resilient and has friction surfaces that in the unstressed state of the housing are friction-locked on at least one part of the adjustment device and by pressing together the housing are raised up from the corresponding surfaces of the adjustment device; or the housing is equipped with a resilient cover that in the unstressed state remains friction-locked to at least one part of the adjustment device and under pressure is raised up from the corresponding surfaces of the adjustment device.
51 . The device according to claim 50 , wherein the resilient housing or the cover:
in the locked position of the brake exhibits an outwardly curved initial shape and after being pressed together forms a reduced curvature or a flat surface or an inward curvature; in the locked position of the brake exhibits a flat initial shape and after being pressed together exhibits an inward curvature; and in the locked position of the brake exhibits an inward curvature and after being pressed together forms a greater inward curvature, or the housing wall possesses an inwardly curved initial shape and undergoes a further inward curvature from the deformation.
52 . The device according to claim 51 , wherein:
said device comprises the use of a rotatably or pivotably movable rotary slider that possesses friction surfaces for locking on the external edge; and said device comprises the use of a rotatably or pivotably movable rotary slider that is prestressed with the housing walls that can be pressed together or with the compressible cover.
53 . The device according to claim 52 , wherein:
said device comprises a deformation of the housing wall for prestressing to a degree that is one of (i) and (ii), wherein (i) and (ii) are:
(i) equal to twice the wall thickness of the housing; and
(ii) up to 0.1 millimeter; and
a rotary slider is used that has a U-shaped cross section, such that the frictional locking occurs on the projecting edge of the U-shape.
54 . The device according to claim 53 , wherein:
said device comprises the use of a pressable housing wall or a pressable cover with a thickness of one of (iii) and (iv), wherein (iii) and (iv) are:
(iii) up to 0.5 millimeter; and
(iv) up to 0.2 millimeter;
the housing or the deformable wall of the housing comprises a metal comprising titanium or a titanium alloy; and the valve or distributor has an external diameter of one of (xviii) and (xix), wherein (xviii) and (xix) are:
(xviii) up to thirty-one millimeters; and
(xix) up to twenty millimeters; and
a height of one of (xx) and (xxi), wherein (xx) and (xxi) are:
(xx) up to ten millimeters; and
(xxi) up to six millimeters.
55 . The device according to claim 47 , wherein:
the internally lying adjustment device possesses a spring in the form of a metallic wire or sheet, whose cross section is circular or rectangular and whose diameter or thickness is one of (xv), (xvi), and (xvii), wherein (xv), (xvi), and (xvii) are:
(xv) up to 0.5 millimeters;
(xvi) up to 0.3 millimeters; and
(xvii) up to 0.2 millimeters.
the spring bar is designed as one of (A) and (B), wherein (A) and (B) are:
(A) a single-armed lever; and
(B) a two-armed lever, of which one lever arm presses against the adjustment plate and whose other lever arm presses against the valve ball or valve cap of the valve or distributor in operative connection; and
the spring bar is flexibly mounted and presses in a sliding contact against a cam disc of the closing element and/or presses in a sliding contact against the valve ball closure.
56 . The device according to claim 48 , wherein:
an adjustment device is provided percutaneously, to which belongs a percutaneously pressable, rotatable part with adjusting magnets; and said device comprises a pressure control of the rotary slider.
57 . The device according to claim 56 , wherein:
said device comprises the use of spring members to indicate the pressure and the pressure limitation and/or the use of elongating measurement strips for measuring the pressure; said device comprises the use of magnets with:
a diameter of one of (v) and (vi), wherein (v) and (vi) are:
(v) up to three millimeters; and
(vi) up to one millimeter; and
a height of one of (vi) and (vii), wherein (vi) and (vii) are:
(vi) up to five millimeters; and
(vii) up to two millimeters;
at least one of (viii) and (ix), wherein (viii) and (ix) are:
(viii) the magnets in the externally lying adjustment device are at a distance from one another that deviates from the magnets in the internally lying adjustment device by one of one of (x) and (xi), wherein (x) and (xi) are:
(x) at most three millimeters; and
(xi) at most one millimeter; and
(ix) the magnets are distanced apart by one of (xii), (xiii), and (xiv), wherein (xii), (xiii), and (xiv) are:
(xii) at most twenty millimeters;
(xiii) at most ten millimeters; and
(xiv) at most eight millimeters.
58 . The device according to claim 57 , wherein:
the externally lying adjustment device is equipped with a measuring device for the adjustment movement; the measuring device is a pressure measurement device and/or a device for measuring rotation; the externally lying adjustment device acts freely on the magnet position of the closing element and is adjustable and that the rotation position of the magnets can be read off externally; and the valve or distributor has an external diameter of one of (xviii) and (xix), wherein (xviii) and (xix) are:
(xviii) up to thirty-one millimeters; and
(xix) up to twenty millimeters; and
a height of one of (xx) and (xxi), wherein (xx) and (xxi) are:
(xx) up to ten millimeters; and
(xxi) up to six millimeters.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.