Fluid monitoring apparatus

Claim 2

Apparatus for monitoring body fluids from a patient, comprising, (a) at least one container for receiving materials that contain body fluids from the patient; (b) a sorting grid located above the container and forming a plurality of openings corresponding to predetermined sizes of the materials; (c) at least one load cell supporting the container for weighing the materials; (d) at least one sensor for each opening in the grid for sensing placement of materials into the container; (e) input/output means connected to the load cells and sensors for receiving information produced by the load cells and sensors; (f) storage means for storing information received from the processor means and the input/output means; (g) processor means connected to the input/output means and the storage means for processing information received from the input/output means and the storage means; and (h) display means for displaying information relating to weight of fluids in the materials and counts of materials in the container.

Claim 3

Apparatus according to claim 1 in which the input/output means further comprises manual input means for entering information manually.

Claim 4

Apparatus according to claim 1 in which the sensor means comprises a plurality of photoelectric sensors, each having an optical path which intersects the space below an opening in the grid and above the container.

Claim 5

Apparatus according to claim 1 in which the storage means comprises at least one counter corresponding to each opening in the grid.

Claim 6

Apparatus according to claim 4 in which the input/output means comprises manual input means that include an on/off switch, a clear switch for resetting the counters in the storage means and at least one counter switch for altering information stored in the counters.

Claim 7

Apparatus according to claim 5 in which the manual input means further comprises a tare switch for causing the apparatus to tare the weight of the materials.

Claim 8

Apparatus according to claim 5 in which the manual input means further comprises a zero switch for causing the apparatus to account for the weight of the container.

Claim 9

Apparatus according to claim 5 in which the manual input means further comprises a span switch for causing calibration of the span of the apparatus.

Claim 10

Apparatus according to claim 1 in which the display means comprises a fluorescent display.

Claim 11

Apparatus for monitoring body fluids from a patient, comprising: (a) a container for receiving sponges that contain body fluids from the patient; (b) a sorting grid located above the container and forming a plurality of openings corresponding to predetermined sizes of sponges; (c) at least one load cell supporting the container for weighing the sponges in the container; (d) at least one photoelectric sensor corresponding to each opening in the grid, whose optical path intersects the space below the opening and above the container; (e) input/output means connected to the load cells and sensors for receiving information produced by the load cells and sensors as well as manually entered information; (f) storage means for storing information received from processor means and from the input/output means, which storage means includes at least one counter corresponding to each opening in the grid; (g) processor means connected to the input/output means and the storage means for processing information received from the input/output means and the storage means; and (h) display means for displaying information relating to weight of fluids in the sponges and number of sponges in the container.

Claim 12

Apparatus for monitoring body fluids from a patient, comprising: (a) a container for receiving sponges that contain body fluids from the patient; (b) a sorting grid located above the container and forming a plurality of openings corresponding to predetermined sizes of sponges; (c) at least one load cell supporting the container for weighing the sponges in the container; (d) at least one photoelectric sensor corresponding to each opening in the grid, whose optical path intersects the space below the opening and above the container; (e) input/output means connected to the load cells and sensors for receiving information produced by the load cells and sensors as well as manually entered information; (f) storage means for storing information received from processor means and from the input/output means, which storage means includes at least one counter corresponding to each opening in the grid; (g) processor means connected to the input/output means and the storage means for processing information received from the input/output means and the storage means; and (h) display means for displaying information relating to weight of fluids in the sponges and number of sponges in the container.

Claim 13

Apparatus according to claim 10 in which the input/output means further comprises an on/off switch, a clear switch for resetting the counters in the storage means and at least one counter switch for altering information stored in the counters.

Claim 14

Apparatus according to claim 11 in which the input/output means further comprises a tare switch for causing the apparatus to tare the weight of the sponges.

Claim 15

Apparatus according to claim 11 in which the input/output means further comprises a zero switch for causing the processor to account for the weight of the container.

Claim 16

Apparatus according to claim 11 in which the input/output means further comprises a span switch for causing the processor to calibrate the span of the apparatus.

Claim 17

Apparatus for monitoring weight and volume of body fluids in a patient, comprising: (a) at least one container for receiving materials that contain body fluids from the patient; (b) a sorting grid located above the container and containing a plurality of openings corresponding to predetermined sizes of materials; (c) at least one load cell supporting the container for weighing the materials; (d) at least one sensor corresponding to each opening in the grid for sensing placement of materials into the container; (e) input/output means connected to the load cells and sensors for receiving information produced by the load cells and sensors; (f) storage means for storing information received from processor means and the input/output means; (g) processor means connected to the input/output means and the storage means for processing information received from the input/output means and the storage means; (h) a keyboard connected to the input/output means for manual entry of information and commands into the apparatus; (i) a printer connected to the input/output means for printing information relating to weight and volume of fluids in the patient; and (j) a display connected to the input/output means for displaying information relating to weight and volume of fluids in the patient.

Claim 18

Apparatus for monitoring weight and volume of body fluids in a patient, comprising: (a) at least one container for receiving materials that contain body fluids from the patient; (b) a sorting grid located above the container and containing a plurality of openings corresponding to predetermined sizes of materials; (c) at least one load cell supporting the container for weighing the materials; (d) at least one sensor corresponding to each opening in the grid for sensing placement of materials into the container; (e) input/output means connected to the load cells and sensors for receiving information produced by the load cells and sensors; (f) storage means for storing information received from processor means and the input/output means; (g) processor means connected to the input/output means and the storage means for processing information received from the input/output means and the storage means; (h) a keyboard connected to the input/output means for manual entry of information and commands into the apparatus; (i) a printer connected to the input/output means for printing information relating to weight and volume of fluids in the patient; and (j) a display connected to the input/output means for displaying information relating to weight and volume of fluids in the patient.

Claim 19

Apparatus for monitoring weight and volume of body fluids in a patient, comprising: I. Apparatus for weighing body fluids taken from the patient, comprising: (a) a container for receiving sponges that contain body fluids from the patient; (b) a sorting grid located above the container and forming a plurality of openings corresponding to the predetermined sizes of sponges; (c) at least one load cell supporting the container for weighing the sponges in the container; (d) at least one photoelectric sensor corresponding to each opening in the grid, whose optical path intersects the space below the opening and above the container; (e) input/output means connected to the load cells and sensors for receiving information produced by the load cells and sensors as well as manually entered information; (f) storage means for storing information received from processor means and from the input/output means, which storage means includes at least one register corresponding to each opening in the grid; (g) processor means connected to the input/output means and the storage means for processing information received from the input/output means and the storage means; and (h) display means for displaying information relating to weight of fluids in the sponges and number of sponges in the container; and II. A computer for receiving information from the weighing apparatus and from a keyboard and for calculating, updating, storing and displaying information relating to weight and volume of body fluids in the patient, comprising: (a) processor means for processing information received from the weighing apparatus and from an input/output means and storage means; (b) storage means for storing information received from the processor means and from an input/output means; (c) input/output means connected to the processor which input/output means includes a keyboard; and (d) display means connected to the input/output means for displaying information relating to weight and volume of body fluids in the patient.

Claim 20

Apparatus for monitoring weight and volume of body fluids in a patient, comprising: I. Apparatus for weighing body fluids taken from the patient, comprising: (a) a container for receiving sponges that contain body fluids from the patient; (b) a sorting grid located above the container and forming a plurality of openings corresponding to the predetermined sizes of sponges; (c) at least one load cell supporting the container for weighing the sponges in the container; (d) at least one photoelectric sensor corresponding to each opening in the grid, whose optical path intersects the space below the opening and above the container; (e) input/output means connected to the load cells and sensors for receiving information produced by the load cells and sensors as well as manually entered information; (f) storage means for storing information received from processor means and from the input/output means, which storage means includes at least one register corresponding to each opening in the grid; (g) processor means connected to the input/output means and the storage means for processing information received from the input/output means and the storage means; and (h) display means for displaying information relating to weight of fluids in the sponges and number of sponges in the container; and II. A computer for receiving information from the weighing apparatus and from a keyboard and for calculating, updating, storing and displaying information relating to weight and volume of body fluids in the patient, comprising: (a) processor means for processing information received from the weighing apparatus and from an input/output means and storage means; (b) storage means for storing information received from the processor means and from an input/output means; (c) input/output means connected to the processor which input/output means includes a keyboard; and (d) display means connected to the input/output means for displaying information relating to weight and volume of body fluids in the patient.

Claim 21

Apparatus according to claim 16 further comprising a printer connected to the computer input/output means for printing information relating to weight and volume of body fluids in the patient.

Claim 22

Apparatus according to claim 16 in which the computer further comprises program means for causing the computer to perform the following steps: (a) read patient's blood quantity values from the keyboard; (b) read hematocrit values from the keyboard; (c) read fluid weight values transmitted by the weighting apparatus; (d) read sponge count values transmitted by the weighing apparatus; (e) read sponge tare weight values transmitted by the weight apparatus; (f) read suction values from the keyboard; (g) read urine removed values from the keyboard; (h) read crystalloid quantity infused values from the keyboard; (i) read irrigation solution used values from the keyboard; (j) read quantity of miscellaneous blood products used values from the keyboard; (k) read quantity of fresh frozen plasma used values from the keyboard; (l) read packed red blood cells used values from the keyboard; (m) read platelets used values from the keyboard; (n) read cryoprecipitate used values from the keyboard; (o) read stimate used values from the keyboard; and (p) update, store and display the values read in the steps recited above.