Drainage device for collecting liquids from a body cavity

Claim 2

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal when in normal, upstanding disposition, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, with said chamber being in fluid communication with the vacuum opening, (c) a sampling collection means in the apparatus at the inlet opening to the collection chamber for accumulating a specimen of recent inlet matter therein, and an openable access means to the sampling collection means from outside the apparatus for sampling a specimen from the collection means, (d) a means vacuum line for regulating the vacuum drawn on the collection chamber, and (e) a gas permeable, liquid impermeable one way valve means for allowing gas flow between said collection chamber and the vacuum opening only from the collection chamber to the vacuum opening when the apparatus is in said normal, upstanding disposition, and said valve means being constructed so as to act as a seal when the chamber is upset.

Claim 3

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, with said chamber being in communication with the vacuum opening, (c) a liquid seal chamber means having first and second conduits for receiving liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber, and (d) fluid control means disposed across at least said first conduit for preventing liquid flow thereacross while permitting gas flow thereacross.

Claim 4

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, with said chamber being in communication with the vacuum opening, (c) a liquid seal chamber means having first and second conduits for receiving liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber, and (d) fluid control means disposed across at least said first conduit for preventing liquid flow thereacross while permitting gas flow thereacross.

Claim 5

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) an atmosphere opening, (c) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, with said chamber being in fluid communication with said vacuum opening, (d) a manometer having a water chamber and conduits on opposite sides thereof, in fluid communication with each other through said water chamber, and and (e) fluid control means disposed across at least one said conduit for preventing liquid flow thereacross while permitting gas flow thereacross.

Claim 6

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) an atmosphere opening, (c) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, with said chamber being in fluid communication with said vacuum opening, (d) a manometer having a water chamber and conduits on opposite sides thereof, in fluid communication with each other through said water chamber, and and (e) fluid control means disposed across at least one said conduit for preventing liquid flow thereacross while permitting gas flow thereacross.

Claim 7

The apparatus of claim 3, including a liquid seal chamber having first and second conduits wherein said manometer conduits are third and fourth conduits and with said third conduit being in fluid communication with said second conduit of said liquid seal chamber and with the vacuum opening; and with said fourth conduit being in fluid communication with the atmosphere opening.

Claim 10

The apparatus of any of claim 6 and wherein said member comprises a membrane sheet of material.

Claim 11

The apparatus of claim 6, wherein said fluid control means comprises a gas permeable, liquid impermeable member disposed in a vertical plane, in the normal upstanding disposition of the device.

Claim 12

The apparatus of claim 4, wherein said fluid control means is disposed between said atmosphere opening and the manometer fourth conduit.

Claim 13

The apparatus of claim 4, wherein said fluid control means is disposed between the first conduit and the collection chamber.

Claim 14

The apparatus of claim 4, wherein said fluid control means is disposed between the manometer third conduit and said vacuum opening.

Claim 15

The apparatus of claim 4, wherein said fluid control means is disposed between the manometer third conduit and the seal chamber second conduit.

Claim 17

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber in fluid communication with said vacuum opening and having an inlet opening adapted to be placed in communication with the cavity to be drained, (c) a removable and repositionable supporting base adapted for mechanical engagement at the lower end of the device, with the device having front and rear walls in an upstanding position of use thereof, with the base having legs extending in opposite directions, with said legs extending substantially beyond said walls in one position of the base on the device and having no substantial extension of the legs beyond said walls in another position of the base on the device, and (d) wherein said base is provided with four upstanding wall-engaging friction-fit fingers with each said finger having a plurality of chamber engaging surface means providing two alternate engagement surfaces.

Claim 18

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber in fluid communication with said vacuum opening and having an inlet opening adapted to be placed in communication with the cavity to be drained, (c) a removable and repositionable supporting base adapted for mechanical engagement at the lower end of the device, with the device having front and rear walls in an upstanding position of use thereof, with the base having legs extending in opposite directions, with said legs extending substantially beyond said walls in one position of the base on the device and having no substantial extension of the legs beyond said walls in another position of the base on the device, and (d) wherein said base is provided with four upstanding wall-engaging friction-fit fingers with each said finger having a plurality of chamber engaging surface means providing two alternate engagement surfaces.

Claim 19

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) an atmosphere opening, (c) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (d) a liquid seal chamber having first and second conduits and adapted to receive liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber (e) a manometer having a water chamber and third and fourth conduits and adapted to receive liquid in its chamber between the third and fourth conduits; with the third conduit being in fluid communication with the second conduit of the liquid seal chamber and with the vacuum opening; and with the fourth conduit being in fluid communication with the atmosphere opening, and (f) said apparatus being defined by upstanding walls and upper and lower end walls in upstanding orientation of the device in normal use; with said atmosphere opening having entries thereto lying in a plurality of nonparallel planes.

Claim 20

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) an atmosphere opening, (c) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (d) a liquid seal chamber having first and second conduits and adapted to receive liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber (e) a manometer having a water chamber and third and fourth conduits and adapted to receive liquid in its chamber between the third and fourth conduits; with the third conduit being in fluid communication with the second conduit of the liquid seal chamber and with the vacuum opening; and with the fourth conduit being in fluid communication with the atmosphere opening, and (f) said apparatus being defined by upstanding walls and upper and lower end walls in upstanding orientation of the device in normal use; with said atmosphere opening having entries thereto lying in a plurality of nonparallel planes.

Claim 22

The apparatus of claim 16, wherein said port is provided with a sampling valve normally closed but openable for sampling access.

Claim 23

The apparatus of claim 17, wherein said valve is of the needleless type, characterized in that said valve contains tool receiving means whereby insertion of a tool means opens said valve for sampling access.

Claim 24

The apparatus of claim 2, including at least one openable access port to a liquid receiving collection zone from outside the device for sampling a specimen therethrough, and wherein said collection zone comprises the liquid seal chamber.

Claim 25

The apparatus of claim 3, including at least one openable access port to a liquid receiving collection zone from outside the device for sampling a specimen therethrough, and wherein said collection zone comprises the manometer water chamber.

Claim 26

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening and a liquid seal chamber having first and second conduits, (b) an atmosphere opening, (c) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (d) a manometer having a water chamber means and third and fourth conduits to receive liquid in its chamber means between the third and fourth conduits; with the third conduit being in fluid communication with the second conduit of said liquid seal chamber and with the vacuum opening; and with the fourth conduit being in fluid communication with the atmosphere opening, and (e) said manometer being generally U-shaped with the third and fourth conduits comprising at least portions of different legs of the U-shape with the water chamber means therebetween for bubbling of air from atmosphere therethrough upon application of a vacuum to the third conduit; including a bubble breaker disposed in the water chamber and located a sufficient distance above the bottom of the chamber to allow bubbles passing through the chamber to achieve sufficient velocity to break upon striking the bubble breaker.

Claim 27

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening and a liquid seal chamber having first and second conduits, (b) an atmosphere opening, (c) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (d) a manometer having a water chamber means and third and fourth conduits to receive liquid in its chamber means between the third and fourth conduits; with the third conduit being in fluid communication with the second conduit of said liquid seal chamber and with the vacuum opening; and with the fourth conduit being in fluid communication with the atmosphere opening, and (e) said manometer being generally U-shaped with the third and fourth conduits comprising at least portions of different legs of the U-shape with the water chamber means therebetween for bubbling of air from atmosphere therethrough upon application of a vacuum to the third conduit; including a bubble breaker disposed in the water chamber and located a sufficient distance above the bottom of the chamber to allow bubbles passing through the chamber to achieve sufficient velocity to break upon striking the bubble breaker.

Claim 28

The apparatus of claim 21, wherein the bubble breaker comprises a reticulated foam insert across said chamber.

Claim 29

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber in fluid communication with said vacuum opening, (c) said collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (d) a liquid seal chamber having first and second conduits and adapted to receive liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber, and (e) said liquid seal chamber and first and second conduits together comprising a generally U-shaped configuration for bubbling of air through the seal from the first conduit to the second conduit upon application of a vacuum to the second conduit; including air bubble observation enhancement means at the bottom of said U-shaped configuration for permitting air bubble flow therealong from the first conduit to the second conduit upon application of a vacuum to the second conduit, for facilitating the observation of air bubbles passing therealong, and wherein the enhancement means comprises a laterally extending upwardly-angled shelf.

Claim 30

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber in fluid communication with said vacuum opening, (c) said collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (d) a liquid seal chamber having first and second conduits and adapted to receive liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber, and (e) said liquid seal chamber and first and second conduits together comprising a generally U-shaped configuration for bubbling of air through the seal from the first conduit to the second conduit upon application of a vacuum to the second conduit; including air bubble observation enhancement means at the bottom of said U-shaped configuration for permitting air bubble flow therealong from the first conduit to the second conduit upon application of a vacuum to the second conduit, for facilitating the observation of air bubbles passing therealong, and wherein the enhancement means comprises a laterally extending upwardly-angled shelf.

Claim 31

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber in fluid communication with said vacuum opening, and having an inlet opening adapted to be placed in communication with the cavity to be drained, (c) a second collection chamber having its own inlet opening adapted to be placed into communication with a second cavity to be drained, with vacuum communication means between said collection chambers at upper ends thereof, for simultaneous collection of matter from two cavities with one vacuum source, and (d) a fluid control means in said vacuum communication means between said chambers, for preventing liquid flow therethrough while permitting gas flow therethrough.

Claim 32

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber in fluid communication with said vacuum opening, and having an inlet opening adapted to be placed in communication with the cavity to be drained, (c) a second collection chamber having its own inlet opening adapted to be placed into communication with a second cavity to be drained, with vacuum communication means between said collection chambers at upper ends thereof, for simultaneous collection of matter from two cavities with one vacuum source, and (d) a fluid control means in said vacuum communication means between said chambers, for preventing liquid flow therethrough while permitting gas flow therethrough.

Claim 33

The apparatus of claim 24, wherein said fluid control means comprises a gas permeable, liquid impermeable member.

Claim 35

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus being normally disposed in upstanding relation and comprising: (a) a vacuum opening, (b) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (c) a liquid seal chamber having first and second conduits generally vertically disposed conduits in the upstanding disposition of the apparatus, and adapted to receive liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber, including trapping means comprising a laterally disposed part of said seal chamber for trapping air therein upon lateral upsetting the apparatus at about a right angle to its normal upstanding disposition (d) said apparatus having a top wall, said walls and a bottom wall which when in a upstanding position said bottom wall of said apparatus forms the bottom wall of said seal chamber, said seal chamber conduits extending upwardly from said seal chamber.

Claim 36

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus being normally disposed in upstanding relation and comprising: (a) a vacuum opening, (b) a collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (c) a liquid seal chamber having first and second conduits generally vertically disposed conduits in the upstanding disposition of the apparatus, and adapted to receive liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber, including trapping means comprising a laterally disposed part of said seal chamber for trapping air therein upon lateral upsetting the apparatus at about a right angle to its normal upstanding disposition (d) said apparatus having a top wall, said walls and a bottom wall which when in a upstanding position said bottom wall of said apparatus forms the bottom wall of said seal chamber, said seal chamber conduits extending upwardly from said seal chamber.

Claim 37

The apparatus of claim 27, with a fill opening at an upper portion of one of the conduits and having a closure thereat, said closure being free of substantial protrusion beyond the rest of the apparatus.

Claim 38

The apparatus of claim 27, with a fill opening at an upper portion of one of the conduits and having a closure thereat, including bacteria filter means across said fill opening for filtering bacteria from water being applied into the opening.

Claim 40

The apparatus of claim 27, including opening means for filling the liquid seal chamber in a generally horizontally disposed side thereof when the apparatus is in a right-angle-upset disposition.

Claim 41

The apparatus of claim 31, wherein said visual indicating means comprises a receptacle portion for receiving and retaining liquid.

Claim 42

The apparatus of claim 15, with a removable and repositionable supporting base adapted for frictional engagement at the lower end of the apparatus, with the apparatus having front and rear walls in an upstanding position of use thereof, with the base having legs extending in opposite directions, with said legs extending substantially beyond said walls in one position of the base on the apparatus and having no substantial extension of the legs beyond said walls in another position of the base on the apparatus, said apparatus being defined by upstanding walls and upper and lower end walls in upstanding orientation of the apparatus in normal use, at least one openable access port to a liquid receiving collection zone from outside the apparatus for sampling a specimen therethrough, wherein said openable access port is provided with a sampling valve, a removable tape having means for securing it for application to an outer surface of said collection chamber, said tape having numerical indicia thereon for indicating liquid quantity within said chamber at any given time; and tape being capable of being written thereon, with the tape being of a type permitting removal and attachment to some other surface, said manometer being generally U-shaped with the third and fourth conduits comprising at least portions of different legs of the U-shape with the water chamber therebetween for bubbling of air from atmosphere therethrough upon application of a vacuum to the third conduit; said collection chamber comprising a plurality of chamber sections, each separated by a generally vertical separation wall, with each said separation wall being of a different height, and with the separation wall closest to said inlet opening being of the shortest height, wherein the liquid seal chamber and first and second conduits together are substantially U-shaped with the chamber between the conduits, wherein the manometer chamber and third and fourth conduits together are substantially U-shaped with the chamber between the conduits, with said apparatus being adapted for upstanding disposition during use, with liquids in chambers at lower ends of the device, and visual indicating means at an upper end of said apparatus for retaining an amount of liquid delivered thereto upon the apparatus being upset from it normal upstanding disposition after return of the apparatus to its normal upstanding disposition, including a sampling trough at the inlet to the collection chamber, and with fluid control means of the gas permeable, liquid impermeable sheet type means disposed across at least one said conduit for preventing liquid flow thereacross while permitting gas flow thereacross.

Claim 43

The apparatus of claim 27 including sizing of chambers such that ratio of water filled volume to air filled volume of seal and manometer chambers, such that the fluid control means are covered with fluid on an upset to at least horizontal, thus shotting off vacuum and also preventing reflux of air and/or fluids to patient.

Claim 44

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber in fluid communication with said vacuum opening. (c) said collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (d) a liquid seal chamber having first and second conduits and adapted to receive liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber, (e) said liquid seal chamber and first and second conduits together comprising a generally U-shaped configuration for bubbling of air through the seal from the first conduit to the second conduit upon application of a vacuum to the second conduit; including air bubble observation enhancement at the bottom of said U-shaped configuration for permitting air bubble flow therealong from the first conduit to the second conduit upon application of a vacuum to the second conduit, for facilitating the observation of air bubbles passing therealong; and wherein the enhancement means comprises a bubble flow meter device in fluid communication with the interior of the liquid seal chamber; characterized in that said bubble flow meter comprises a duct means paralleling said liquid seal chamber with inlet and outlet means to said liquid seal chamber; a mixing means depending from said duct; and an emulsifying means contained within said duct.

Claim 45

A drainage apparatus for collection of matter including liquids and any solids carried therewith from a body cavity of a mammal, said apparatus comprising: (a) a vacuum opening, (b) a collection chamber in fluid communication with said vacuum opening. (c) said collection chamber having an inlet opening adapted to be placed in communication with the cavity to be drained, (d) a liquid seal chamber having first and second conduits and adapted to receive liquid therein in liquid sealing relationship between the first and second conduits; with said first conduit being in fluid communication with said collection chamber, (e) said liquid seal chamber and first and second conduits together comprising a generally U-shaped configuration for bubbling of air through the seal from the first conduit to the second conduit upon application of a vacuum to the second conduit; including air bubble observation enhancement at the bottom of said U-shaped configuration for permitting air bubble flow therealong from the first conduit to the second conduit upon application of a vacuum to the second conduit, for facilitating the observation of air bubbles passing therealong; and wherein the enhancement means comprises a bubble flow meter device in fluid communication with the interior of the liquid seal chamber; characterized in that said bubble flow meter comprises a duct means paralleling said liquid seal chamber with inlet and outlet means to said liquid seal chamber; a mixing means depending from said duct; and an emulsifying means contained within said duct.