Medical item thermal treatment systems and method of monitoring medical items for compliance with prescribed requirements

• US 20070000910A1
• Filed: 01/17/2006
• Published: 01/04/2007
• Est. Priority Date: 04/07/1997
• Status: Active Grant

• Current Assignee: Bruce Heymann, Calvin Blankenship, David Hendrix, Durward Faries
• Original Assignee: Bruce Heymann, Calvin Blankenship, David Hendrix, Durward Faries
• Inventors: Blankenship, Calvin, Heymann, Bruce, Hendrix, David, Faries, Durward
• Granted Patent: US 7,417,205 B2
• Time in Patent Office: Days
• US Class Current: 219/506
• CPC Class Codes: A61B 2050/105 Cabinets
• CPC Class Codes: A61B 2050/185 Drawers
• CPC Class Codes: A61B 50/10 Furniture specially adapted for surgical or diagnostic appliances or instruments
• CPC Class Codes: A61B 50/13 Trolleys, e.g. carts
• CPC Class Codes: A61J 1/10 Bag-type containers
• CPC Class Codes: A61J 1/1462 Containers with provisions for hanging, e.g. integral adaptations of the container accessories for hanging the container A61M5/1414
• CPC Class Codes: A61J 1/1468 Containers characterised by specific material properties
• CPC Class Codes: A61J 1/1487 with friction fit, e.g. connecting tubes directly to a protruding port
• CPC Class Codes: A61J 2200/30 Compliance analysis for taking medication
• CPC Class Codes: A61J 2200/42 Heating means
• CPC Class Codes: A61J 2200/72 for temperature
• CPC Class Codes: A61J 2205/10 Bar codes
• CPC Class Codes: A61J 2205/20 Colour codes
• CPC Class Codes: A61J 2205/30 Printed labels
• CPC Class Codes: A61J 2205/50 using icons or symbolic figures, e.g. by a graphical representation symbolising the type of pathology or the organ by an image
• CPC Class Codes: A61J 2205/60 using magnetic or electronic identifications, e.g. chips, RFID, electronic tags
• CPC Class Codes: A61M 2205/362 by gas flow
• CPC Class Codes: A61M 2205/60 with identification means
• CPC Class Codes: A61M 5/445 the media being heated in the reservoir, e.g. warming bloodbags
• CPC Class Codes: G01K 11/12 using changes in colour, translucency or reflectance
• CPC Class Codes: G01N 2035/00673 : of reagents

Abstract

Various present invention devices enable adherence to requirements for medical items. A medical item of the present invention includes a monitoring or data recording device to monitor and/or record medical solution conditions. The device may further include indicators to indicate compliance of the medical solution with prescribed requirements (e.g., manufacturer, medical standard or regulation, etc.). The medical item may alternatively include a barcode or transponder to uniquely identify the medical item to a thermal treatment system measuring and storing conditions in a central database. The present invention further includes various thermal treatment systems that monitor medical items for prescribed requirements and display the monitored parameters to medical personnel. In addition, the present invention may place time stamp information on medical items to enable determination by medical personnel of compliance with prescribed requirements.

Claims

1-44. -44. (canceled)

45. A temperature control system for thermally treating medical items to desired temperatures comprising:

a system housing;

a compartment disposed within said housing to receive at least one medical item;

at least one thermal treatment assembly each disposed within said compartment to thermally treat a corresponding medical item;

at least one temperature sensor each associated with a corresponding thermal treatment assembly to contact and measure a temperature of said medical item treated by that assembly;

a timer to measure residence time of each medical item treated by said at least one assembly; and

a controller to facilitate entry of said desired temperature for each medical item and to control a thermal output of each assembly to thermally treat said corresponding medical item to said entered desired temperature based on said temperature measured by said associated temperature sensor.

46. The temperature control system of claim 45, wherein at least one thermal treatment assembly includes:

a heating plate to distribute heat to a corresponding medical item placed thereon, wherein said heating plate includes at least one primary conducting section and at least one secondary conducting section; and

a heater affixed and applying heat to said heating plate, wherein said heater is attached to and covers selected portions of said at least one primary conducting section to directly apply heat to said selected portions, wherein each said secondary conducting section is coupled to said at least one primary conducting section receiving said heater and receives said applied heat through conduction.

47. The temperature control system of claim 46 further including:

at least one guide element disposed within said housing to position said medical item on said heating plate in a proper orientation for heating, wherein dimensions of said at least one guide element are adjusted to accommodate various sized medical items.

48. The temperature control system of claim 45 further including:

at least one switching device each associated with a corresponding assembly to detect the presence of a medical item on that assembly and to enable said corresponding assembly to thermally treat said medical item in response to said detection.

49. The temperature control system of claim 48, wherein said timer measures said residence time for a medical item in response to detection of that medical item by a corresponding switching device.

50. The temperature control system of claim 48, wherein said at least one temperature sensor is disposed on a corresponding switching device to measure a temperature of a medical item disposed on said associated assembly.

51. The temperature control system of claim 45 further including:

a stand to support said system housing.

52. The temperature control system of claim 45, wherein said system housing includes a plurality of rollers to transport said temperature control system.

53. The temperature control system of claim 48, wherein said temperature control system includes a plurality of said assemblies each thermally treating a corresponding medical item and a display to simultaneously display for each assembly at least one of residence time for a corresponding medical item, temperature information, an indication of the absence of a medical item and an indication of a temperature outside a predetermined range.

54. The temperature control system of claim 53, wherein said compartment includes a plurality of trays with each tray including a plurality of said assemblies to thermally treat said at least one medical item.

55. The temperature control system of claim 45, wherein at least one assembly includes an indicator to indicate when a corresponding medical item attains one of said desired temperature for that medical item and a temperature within a predetermined range of said desired temperature for that medical item.

56. The temperature control system of claim 45 further including:

a report unit to collect information pertaining to at least one of medical item conditions, system conditions, time, corresponding temperature information for at least one medical item, patient information, doctor information and facility information, and to generate a report.

57. The temperature control system of claim 56, wherein said report unit collects information in response to at least one user-defined event.

58. The temperature control system of claim 56, wherein said report includes said time and temperature information in the form of a graph.

59. The temperature control system of claim 56 further including a display to display said generated report.

60. The temperature control system of claim 56 further including:

a printer to print said generated report.

61. The temperature control system of claim 60, wherein said printer prints said report on labels for attachment to at least one of a medical file and a medical item associated with said report.

62. The temperature control system of claim 56, wherein said report unit includes:

a report controller to communicate said report electronically to an external device.

63. The temperature control system of claim 62, wherein said external device is remote from said temperature control system and enables remote monitoring of said temperature control system.

64. The temperature control system of claim 56 further including:

an interface unit to identify said at least one medical item disposed within said compartment to associate collected information with a corresponding medical item.

65. The temperature control system of claim 64, wherein said at least one medical item includes an identification device and said interface unit receives information from said identification device to identify said at least one medical item.

66. The temperature control system of claim 65, wherein said interface unit transmits information pertaining to a medical item to said identification device associated with that medical item for storage to enable said medical item information to be available with said medical item.

67. The temperature control system of claim 45 further including:

a usage control unit to control usage of said temperature control system in accordance with usage parameters associated with a user.

68. The temperature control system of claim 67, wherein said usage parameters are stored on a card provided by said user to said temperature control system.

69. The temperature control system of claim 67, wherein said usage parameters include at least one of time, quantity of thermal cycles and a quantity of medical items to thermally treat.

126. The temperature control system of claim 46, wherein said heating plate includes a curved configuration.

70. A temperature control system for thermally treating medical items to desired temperatures comprising:

a system housing;

a compartment disposed within said housing to receive at least one medical item;

a plurality of thermal treatment assemblies each disposed within said compartment to thermally treat a corresponding medical item;

a plurality of temperature sensors each associated with a corresponding thermal treatment assembly to contact and measure a temperature of said medical item treated by that assembly;

a controller to facilitate entry of said desired temperature for each medical item and to control a thermal output of each assembly to thermally treat said corresponding medical item to said entered desired temperature based on said temperature measured by said associated temperature sensor; and

a display to simultaneously display information for each assembly.

71. The temperature control system of claim 70 further including:

a timer to measure residence time of each medical item thermally treated by said assemblies.

72. The temperature control system of claim 71 further including:

a plurality of switching devices each associated with a corresponding assembly to detect the presence of a medical item on that assembly and to enable said corresponding assembly to thermally treat said medical item in response to said detection, wherein said display displays for each assembly at least one of residence time for a corresponding medical item, temperature information for a medical item, an indication of the absence of a medical item and an indication of a temperature outside a predetermined range.

73. The temperature control system of claim 72, wherein said plurality of temperature sensors are respectively disposed on a corresponding switching device to measure a temperature of a medical item disposed on said associated assembly.

74. The temperature control system of claim 70, wherein at least one assembly includes:

a heating plate to distribute heat to a corresponding medical item placed thereon, wherein said heating plate includes at least one primary conducting section and at least one secondary conducting section; and

a heater affixed and applying heat to said heating plate, wherein said heater is attached to and covers selected portions of said at least one primary conducting section to directly apply heat to said selected portions, wherein each said secondary conducting section is coupled to said at least one primary conducting section receiving said heater and receives said applied heat through conduction.

75. The temperature control system of claim 70, wherein at least one assembly includes an indicator to indicate when a corresponding medical item attains one of said desired temperature for that medical item and a temperature within a predetermined range of said desired temperature for that medical item.

76. The temperature control system of claim 70 further including:

a report unit to collect information pertaining to at least one of medical item conditions, system conditions, time, corresponding temperature information for at least one medical item, patient information, doctor information and facility information, and to generate a report.

77. The temperature control system of claim 76, wherein said report unit collects information in response to at least one user-defined event.

78. The temperature control system of claim 76, wherein said report includes said time and temperature information in the form of a graph.

79. The temperature control system of claim 76 further including:

a printer to print said generated report.

80. The temperature control system of claim 79, wherein said printer prints said report on labels for attachment to at least one of a medical file and a medical item associated with said report.

81. The temperature control system of claim 76, wherein said report unit includes:

a report controller to communicate said report electronically to an external device.

82. The temperature control system of claim 81, wherein said external device is remote from said temperature control system and enables remote monitoring of said temperature control system.

83. The temperature control system of claim 76 further including:

an interface unit to identify said at least one medical item disposed within said compartment to associate collected information with a corresponding medical item.

84. The temperature control system of claim 70 further including:

a usage control unit to control usage of said temperature control system in accordance with usage parameters associated with a user.

85. The temperature control system of claim 84, wherein said usage parameters are stored on a card provided by said user to said temperature control system.

86. The temperature control system of claim 84, wherein said usage parameters include at least one of time, quantity of thermal cycles and a quantity of medical items to thermally treat.

127. The temperature control system of claim 74, wherein said heating plate includes a curved configuration.

87. In a temperature control system, a method of thermally treating medical items to desired temperatures comprising:

(a) receiving at least one medical item by at least one thermal treatment assembly within a compartment disposed within a system housing;

(b) thermally treating said at least one medical item via said at least one thermal treatment assembly;

(c) measuring a temperature and residence time of each medical item treated by said at least one thermal treatment assembly; and

(d) facilitating entry of said desired temperature for each medical item and controlling a thermal output of each assembly to thermally treat a corresponding medical item to said entered desired temperature based on said measured temperature.

88. The method of claim 87, wherein at least one assembly includes a heating plate with at least one primary conducting section and at least one secondary conducting section and a heater attached to and covering selected portions of said at least one primary conducting section, and step (b) further includes:

(b.1) directly applying heat to said selected portions, wherein each said secondary conducting section is coupled to said at least one primary conducting section receiving said heater and receives said applied heat through conduction.

89. The method of claim 88, wherein step (a) further includes:

(a.1) positioning said medical item on said heating plate in a proper orientation for heating via at least one guide element, wherein dimensions of said at least one guide element are adjusted to accommodate various sized medical items.

90. The method of claim 87, wherein step (a) further includes:

(a.1) detecting the presence of a medical item on a thermal treatment assembly via a corresponding switching device and enabling said corresponding assembly to thermally treat said medical item in response to said detection.

91. The method of claim 90, wherein step (c) further includes:

(c.1) measuring said residence time for a medical item in response to detection of that medical item by a corresponding switching device.

92. The method of claim 90, wherein step (c) further includes:

(c.1) measuring said temperature of each medical item via a temperature sensor disposed on a corresponding switching device and contacting that medical item.

93. The method of claim 90, wherein said temperature control system includes a plurality of said assemblies each thermally treating a corresponding medical item and said method further includes:

(e) simultaneously displaying for each assembly at least one of residence time for a corresponding medical item, temperature information, an indication of the absence of a medical item and an indication of a temperature outside a predetermined range.

94. The method of claim 87 further including:

(e) indicating when a corresponding medical item attains one of said desired temperature for that medical item and a temperature within a predetermined range of said desired temperature for that medical item.

95. The method of claim 87 further including:

(e) collecting information pertaining to at least one of medical item conditions, system conditions, time, corresponding temperature information for at least one medical item, patient information, doctor information and facility information, and generating a report.

96. The method of claim 95, wherein step (e) further includes:

(e.1) collecting information in response to at least one user-defined event.

97. The method of claim 95, wherein said report includes said time and temperature information in the form of a graph.

98. The method of claim 95, wherein step (e) further includes:

(e.1) displaying said generated report via a display of said temperature control system.

99. The method of claim 95, wherein step (e) further includes:

(e.1) printing said generated report via a printer of said temperature control system.

100. The method of claim 99, wherein step (e.1) further includes:

(e.1.1) printing said report on labels for attachment to at least one of a medical file and a medical item associated with said report.

101. The method of claim 95, wherein step (e) further includes:

(e.1) communicating said report electronically to an external device.

102. The method of claim 101, wherein said external device is remote from said temperature control system and enables remote monitoring of said temperature control system.

103. The method of claim 95, wherein step (e) further includes:

(e.1) identifying said at least one medical item disposed within said compartment to associate collected information with a corresponding medical item.

104. The method of claim 103, wherein said at least one medical item includes an identification device and step (e.1) further includes:

(e.1.1) receiving information from said identification device to identify said at least one medical item.

105. The method of claim 104, wherein step (e.1) further includes:

(e.1.2) transmitting information pertaining to a medical item to said identification device associated with that medical item for storage to enable said medical item information to be available with said medical item.

106. The method of claim 87 further including:

(e) controlling usage of said temperature control system in accordance with usage parameters associated with a user.

107. The method of claim 106, wherein said usage parameters are stored on a card provided by said user to said temperature control system.

108. The method of claim 106, wherein said usage parameters include at least one of time, quantity of thermal cycles and a quantity of medical items to thermally treat.

128. The method of claim 88, wherein said heating plate includes a curved configuration.

109. In a temperature control system, a method of thermally treating medical items to desired temperatures comprising:

(a) receiving at least one medical item within a compartment including a plurality of thermal treatment assemblies and disposed within a system housing;

(b) thermally treating said at least one medical item via corresponding thermal treatment assemblies;

(c) measuring a temperature of each medical item treated by an assembly;

(d) facilitating entry of said desired temperature for each medical item and controlling a thermal output of each assembly to thermally treat said corresponding medical item to said entered desired temperature based on said measured temperature; and

(e) simultaneously displaying information for each assembly.

110. The method of claim 109, wherein step (c) further includes:

(c.1) measuring residence time of each medical item thermally treated by an assembly.

111. The method of claim 110, wherein step (a) further includes:

(a.1) detecting the presence of a medical item on an assembly via a corresponding switching device and enabling said corresponding assembly to thermally treat said medical item in response to said detection;

wherein step (e) further includes;

(e.1) displaying for each assembly at least one of residence time for a corresponding medical item, temperature information for a medical item, an indication of the absence of a medical item and an indication of a temperature outside a predetermined range.

112. The method of claim 111, wherein step (c) further includes:

(c.2) measuring said temperature of each medical item via a temperature sensor disposed on a corresponding switching device and contacting that medical item.

113. The method of claim 109, wherein at least one assembly includes a heating plate with at least one primary conducting section and at least one secondary conducting section, and a heater attached to and covering selected portions of said at least one primary conducting section, and step (b) further includes:

(b.1) directly applying heat to said selected portions, wherein each said secondary conducting section is coupled to said at least one primary conducting section receiving said heater and receives said applied heat through conduction.

114. The method of claim 109 further including:

(f) indicating when a corresponding medical item attains one of said desired temperature for that medical item and a temperature within a predetermined range of said desired temperature for that medical item via an indicator.

115. The method of claim 109 further including:

(f) collecting information pertaining to at least one of medical item conditions, system conditions, time, corresponding temperature information for at least one medical item, patient information, doctor information and facility information, and generating a report.

116. The method of claim 115, wherein step (f) further includes:

(f.1) collecting information in response to at least one user-defined event.

117. The method of claim 115, wherein said report includes said time and temperature information in the form of a graph.

118. The method of claim 115, wherein step (f) further includes:

(f.1) printing said generated report via a printer of said temperature control system.

119. The method of claim 118, wherein step (f.1) further includes:

(f.1.1) printing said report on labels for attachment to at least one of a medical file and a medical item associated with said report.

120. The method of claim 115, wherein step (f) further includes:

(f.1) communicating said report electronically to an external device.

121. The method of claim 120, wherein said external device is remote from said temperature control system and enables remote monitoring of said temperature control system.

122. The method of claim 115, wherein step (f) further includes:

(f.1) identifying said at least one medical item disposed within said compartment to associate collected information with a corresponding medical item.

123. The method of claim 109 further including:

(f) controlling usage of said temperature control system in accordance with usage parameters associated with a user.

124. The method of claim 123, wherein said usage parameters are stored on a card provided by said user to said temperature control system.

125. The method of claim 124, wherein said usage parameters include at least one of time, quantity of thermal cycles and a quantity of medical items to thermally treat.

129. The method of claim 113, wherein said heating plate includes a curved configuration.