System and method of tracking surgical sponges

• US 6,777,623 B2
• Filed: 04/17/2002
• Issued: 08/17/2004
• Est. Priority Date: 04/17/2002
• Status: Expired due to Fees

• Current Assignee: Ballard M. Daniel
• Original Assignee: Ballard M. Daniel
• Inventors: Ballard, M. Daniel
• Primary Examiner(s): Gibson, Randy W.
• Application Number:
  US10/124,534
• Publication Number:
  US 20030196837A1
• Time in Patent Office: 853 Days
• Field of Search: 177/25-1-, 177/245, 600/573, 600/584, 604/317, 604/362, 128/897-899, 340/505, 235/385, 705/28
• US Class Current: 177/25.13
• CPC Class Codes: A61B 2050/375 for sponges
• CPC Class Codes: A61B 2090/0805 automatically, e.g. by means of magnetic, optical or photoelectric detectors
• CPC Class Codes: A61B 50/37 for absorbent articles, e.g. bandages, garments, swabs or towels
• CPC Class Codes: G01G 17/00 Apparatus for or methods of weighing material of special form or property determining weight by measuring volume G01F
• CPC Class Codes: G01G 19/42 for counting by weighing G01G19/387 takes precedence
• CPC Class Codes: G01G 23/3728 with wireless means
• CPC Class Codes: G06Q 10/087 Inventory or stock management, e.g. order filling, procurement or balancing against orders

Abstract

The apparatus and method is provided that employs a “radiopaque” object to count and account for surgical sponges in an operating room. A radiopaque object is embedded in surgical sponges so that a scanning device can detect and count a large number of the sponges within a container. The container is designed to minimize contact with the sponges by humans. In addition, a surgical team can insure that no surgical sponge is left in a patient without performing the messy and time-consuming job of individually counting sponges as they are entered and disposed of from the surgical site.

Claims

1. A surgical supply tracking system, comprising:

a plurality of surgical sponges, each sponge comprising;

a passive, radiographically detectable object securely fixed to the sponge, wherein the radiographically detectable object appears substantially the same shape when viewed from different angles;

a scanning device for detecting each radiographically detectable object corresponding to each surgical sponge of the plurality of surgical sponges;

a sponge counter coupled to the scanning device, comprising;

a processor;

a display;

a memory;

logic stored on the memory and executed on the processor for counting each radiographically detectable object; and

logic for displaying on the display a number corresponding to the number of counted radiographically detectable objects.

2. The surgical supply tracking system of claim 1, further comprising a container for containing each particular surgical sponge after the particular surgical sponge has been removed from the surgical field.

3. The surgical supply tracking system of claim 2, further comprising a measurement device coupled to the container for weighing the surgical sponges in the container.

4. The surgical supply tracking system of claim 3, wherein the measurement device is coupled to the computing device and the computing device further comprises:

logic for calculating and displaying an estimated amount of fluids contained in the surgical sponges in the container, the amount based upon a difference between the weight of the counted sponges in the container and the weight of a same number of unused sponges.

5. The surgical supply tracking system of claim 1, wherein the plurality of surgical sponges includes sponges of at least two different types and the corresponding radiographically detectable objects include objects of at least two different types, the type of each particular radiographically detectable object corresponds to the type of the corresponding surgical sponge.

6. The surgical supply tracking system of claim 5, wherein the types of radiographically detectable objects are related to the size of the radiographically detectable objects.

7. The surgical supply tracking system of claim 1, wherein the radiographically detectable objects are spherical.

8. The surgical supply tracking system of claim 1, wherein the radiographically detectable objects are non-spherical.

9. The surgical supply tracking system of claim 1, wherein the radiographically detectable objects are metal.

10. The surgical supply tracking system of claim 1, wherein the radiographically detectable objects comprise a non-metallic radiopaque substance.

11. The surgical supply tracking system of claim 10, wherein the non metallic radiopaque substance is barium sulfate encased within a non-water-soluble material.

12. The surgical supply tracking system of claim 1, further comprising:

a tightly woven fabric for encasing each radiographically detectable object and for attaching each radiographically detectable object to the corresponding surgical sponge.

13. The surgical supply tracking system of claim 1, further comprising:

a fixture thread attached to each radiographically detectable object for affixing each radiographically detectable object to the corresponding surgical sponge.

14. The surgical supply tracking system of claim 1, wherein each radiographically detectable object comprises:

an interior material; and

a non-water soluble material surrounding the interior material.

15. A trackable, surgical sponge apparatus, comprising:

a plurality of surgical sponges; and

a passive, radiographically detectable object securely affixed to each surgical sponge of the plurality of surgical sponges, wherein each radiographically detectable object appears substantially the same shape when viewed from different angles.

16. The trackable, surgical sponge apparatus of claim 15, wherein the plurality of surgical sponges includes sponges of at least two different types and the corresponding radiographically detectable objects include objects of at least two different types, the type of each particular radiographically detectable object corresponds to the type of the corresponding surgical sponge.

17. The trackable, surgical sponge apparatus of claim 16, wherein the type of each radiographically detectable object is related to the size of each radiographically detectable object.

18. The trackable, surgical sponge apparatus of claim 15, wherein the radiographically detectable objects are spherical.

19. The trackable, surgical sponge apparatus of claim 15, wherein the radiographically detectable objects are non-spherical.

20. The trackable, surgical sponge apparatus of claim 15, wherein the radiographically detectable objects are metal.

21. The trackable, surgical sponge apparatus of claim 15, wherein the radiographically detectable objects comprise anon-metallic radiopaque substance.

22. The trackable, surgical sponge apparatus of claim 21, wherein the non-metallic radiopaque substance is barium sulfate encased within a non-water-soluble material.

23. A method of tracking and counting surgical sponges, comprising the steps of:

affixing a plurality of radiopaque objects in a plurality of surgical sponges, wherein each surgical sponge has one (1) radiopaque object;

scanning a container containing a number of the plurality of surgical sponges that have been employed in a surgical field;

determining, based upon the number of radiopaque objects detected in the scanning step, the number of surgical sponges in the container; and

displaying on a display device the number of surgical sponges in the container.

24. The method of claim 23,

wherein the plurality of surgical sponges includes surgical sponges of at least two different sizes and the corresponding radiographically detectable objects include objects of at least two different sizes, the size of each particular radiographically detectable object corresponds to the size of the corresponding surgical sponge;

wherein the determining step further determines the number of each size of surgical sponge based upon the size of the corresponding radiopaque objects; and

wherein the displaying step displays the count of each size of surgical sponges.

25. The method of claim 23, further comprising the steps of:

calculating an amount of fluid contained in the surgical sponges in the container by subtracting a tare weigh from the weight of the container.

26. A surgical sponge, comprising:

a tightly-woven, absorbent fabric; and

a passive, radiographically detectable object securely fixed to the fabric, wherein the radiographically detectable object appears substantially the same size when viewed from different angles.

27. The surgical sponge of claim 26, wherein there are at least two different types of sponges and the corresponding radiographically detectable objects include objects of at least two different types, the type of each particular radiographically detectable object corresponds to the type of the corresponding surgical sponge.

28. The surgical sponge of claim 27, wherein the types of radiographically detectable objects are related to the size of the radiographically detectable objects.

29. The surgical sponge of claim 26, wherein the radiographically detectable objects are spherical.

30. The surgical sponge of claim 26, wherein the radiographically detectable objects are non-spherical.

31. The surgical sponge of claim 26, wherein the radiographically detectable objects are metal.

32. The surgical sponge of claim 26, wherein the radiographically detectable objects comprise a non-metallic radiopaque substance.

33. The surgical sponge of claim 32, wherein the non-metallic radiopaque substance is barium sulfate encased within a non-water-soluble material.

34. The surgical sponge of claim 26, further comprising:

a fixture thread attached to each radiographically detectable object for affixing each radiographically detectable object to the corresponding surgical sponge.

35. The surgical sponge of claim 26, wherein each radiographically detectable object comprises:

an interior material; and

a non-water soluble material surrounding the interior material.