CA2566936C - Surgical cassette - Google Patents

Surgical cassette Download PDF

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Publication number
CA2566936C
CA2566936C CA2566936A CA2566936A CA2566936C CA 2566936 C CA2566936 C CA 2566936C CA 2566936 A CA2566936 A CA 2566936A CA 2566936 A CA2566936 A CA 2566936A CA 2566936 C CA2566936 C CA 2566936C
Authority
CA
Canada
Prior art keywords
cassette
console
surgical
optical
identifying means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2566936A
Other languages
French (fr)
Other versions
CA2566936A1 (en
Inventor
Alexander N. Artsyukhovich
Mikhail Boukhny
Raphael Gordon
Gary P. Sorensen
David Thoe
Ralph E. Svetic
Michael Yadlowsky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcon Inc
Original Assignee
Alcon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Alcon Inc filed Critical Alcon Inc
Publication of CA2566936A1 publication Critical patent/CA2566936A1/en
Application granted granted Critical
Publication of CA2566936C publication Critical patent/CA2566936C/en
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/77—Suction-irrigation systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/72—Cassettes forming partially or totally the fluid circuit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0201—Cassettes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/35—Communication
    • A61M2205/3546—Range
    • A61M2205/3569—Range sublocal, e.g. between console and disposable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A61M2205/6063—Optical identification systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A61M2205/6063—Optical identification systems
    • A61M2205/6072—Bar codes

Abstract

A surgical system and cassette, the cassette having an identification method that is specific to the cassette. Suitable methods include bar coding or Radio Frequency Identification ("RFID"). Cassette information that may be encoded include features such as lot number and performance characteristics, such as pressure sensor calibration data, flow and pressure data and any other performance characteristics of the cassette captured during testing of the cassette at manufacture.

Description

SURGICAL CASSETTE
Background of the Invention This invention relates generally to the field of surgical cassettes and more particularly to an identification system for surgical cassettes.
The use of cassettes with surgical instruments to help manage irrigation and aspiration flows into and out of a surgical site is well-known. See, for example, U.S.
Patent Nos.
io 4,493,695, 4,627,833 (Cook), 4,395,258 (Wang, et al.), 4,713,051 (Steppe, et al.), 4,798,850 (DeMeo, et al.), 4,758,238, 4,790,816 (Sundblom, et al.), 5,267,956, 5,364,342 (Beuchat), 6,036,458 (Cole, et al.) and 6,059,544 (Jung et al.).

The fluidic performance of the surgical instrument is substantially affected by the fluidic performance of the cassette. As a result, current surgical instrumentation and cassettes are designed to work as an integral system, with the fluidic perfonnance of the cassette designed to optimize the fluidic performance of the entire surgical system.
Recent advances made in surgical instrumentatioti now allow the surgeon to manually or automatically control the operating parameters of the surgical instrumentation to a very fine degree. Specialized cassettes have been developed to allow the surgeon to capitalize on the advance control afforded by modem surgical instrumentation. The operating parameters of the surgical instrumentation, however, must be adjusted depending upon the cassette being used. One system, disclosed in U.S. Patent No. 6,059,544 (Jung, et al.), has a cassette with a series of frangible tabs that can be used to allow the instrument to recognize the type of cassette being used. While such a system works very well, and has been commercially successful, the cassette identification system disclosed in this reference identifies only the type of cassette installed in the surgical console, and does not provide any information as to the performance characteristics of the specific cassette. Other ophthalmic surgical instruments contain embedded memory chips or other ID methods that allow the surgical console to recognize the instrument and adjust the console automatically to appropriate operating parameter.s. None of these systems; however, is capable of recognizing a specific cassette or instrument and adjusting the surgical console for the unique performance characteristics of a specific cassette or instrument.
2 Accordingly, a need exists for a cassette identification system that identifies the performance parameters for each specific cassette.

Brief Summarv of th8 Invention The present invention improves upon the prior art by providing a surgical system and cassette, the cassette having an identification method that is specific to the cassette. Suitable methods include bar coding or Radio Frequency Identification ("RFID").
Cassette information that may be encoded include features such as lot number and performance characteristics, such as pressure sensor calibration data, flow and pressure data and any other performance characteristics of the cassette captured during testing of the cassette at manufacture.
Accordingly, one objective of the present invention is to provide a surgical cassette that can be readily identified by the surgical instrument in which the cassette is used.
Another objective of the present invention is to provide a surgical system that recognizes information that is cassette specific.
Still another objective of the present invention is to provide a cassette encoded with information specific to the cassette.
These and other advantages and objectives of the present invention will become apparent from the detailed description and claims that follow.

Brief Description of the Drawing FIG. 1 is a perspective view of a surgical console that may be used with the system of the present invention.
FIG. 2 is a perspective view of a first embodiment of a cassette suitable for use with the present invention.
FIG. 3 is a perspective view of a first embodiment of a cassette suitable for use with the present invention.

I I , CA 02566936 2006-11-01 ~ ~. .
3 Detailed Description of the Preferred Embodiments As best seen in FIG. 1, surgical console 100 generally contains cassette receiving portion 110 that may contain reader 120. Console 100 may be any suitable surgical console, such as the INFINTe Surgical System commercially available from Alcon Laboratories, Fort Worth, Texas. As best seen in FIG. 2, cassette 10 that may be used with the present invention generally contains bar code 20 placed in a location corresponding to optical reader 120 when cassette 10 is placed within cassette receiving portion 110 of console 100.
One skilled in the art will recognize that reader 120 may be a bar code reader, a CCD camera, a CMOS sensor or other suitable optical reader. Bar code 20 may be printed on housing 12 in any suitable location and in any suitable color designed to perform optimally with reader 120. By way of example, bar code 20 may be printed on pressure sensor 40. In this way, if pressure sensor 40 is an optical pressure sensor, reader 120 can be used both for cassette 10 identification and as part of pressure sensor 40. Cassette 10 may be any suitable irrigation/aspiration cassette, such as the IlVFINTe Fluid Management System commercially available from Alcon Laboratories, Fort Worth, Texas. Alternatively, as seen in FIG. 3, cassette 10' may contain, within or on housing 12', a non-optical means, such as an acoustic or a hard wired or wireless communication device, with microcomputer or RFID chip 30 being one specific example, that is read by detector or receiver 130 in console 100, appropriate microcomputer or RFID
chips and detectors/receivers being well-known in the art.
During manufacture of cassettes 10 and 10', information specific to each individual cassette can be recorded into bar code 20 or chip 30. Such information can include lot number, manufacture date, component part tracking information and similar information about cassettes 10 and 10'. In addition, cassettes 10 and 10' may be tested during manufacture and the specific operating performance of individual cassettes 10 and 10' can be recorded and included in the information provided in bar code 20 or chip 30.
Such information can include calibration data for aspiration pressure sensors 40 and 40', irrigation pressure sensors 50 and S0', the performance characteristics of peristaltic pump tubes 60 and 60', such characteristics possibly including vacuum rise time, maximum vacuum and flow resistance and being unique to each individual cassette 10 or 10'. Such information can be transferred to surgical console 100 through bar code 20 or chip 30 so that the software contained within console 100 can make automatically, appropriate adjustments in the I ii 1 (4 operating parameters of console 100 to help assure optimum performance of surgical console 100 and cassettes 10 and 10'.
This description is given for purposes of illustration and explanation. It will be apparent to those skilled in the relevant art that changes and modifications may be made to the invention described above without departing from its scope or spirit.

Claims (8)

Claims
1. A surgical system, comprising:
a) a surgical console having a cassette receiving portion;
b) a cassette sized and shaped to be received in the cassette receiving portion of the surgical console, the cassette comprising:
a housing;
a means for identifying the cassette and storing information about the cassette readable by the console;
an optical aspiration pressure sensor on the exterior of the housing;
c) the surgical console having a detector, so that information contained within the identifying means can be detected or received by the detector when the cassette is received by the cassette receiving portion of the surgical console; and the information contained within the identifying means located in or on the cassette identifies fluidic performance characteristics specific to the operation of the cassette, unique to each individual cassette and captured during testing of the cassette at manufacture and software contained within the console adapted to automatically make appropriate adjustments in the operating parameters of the console, in response to detecting said information, to help assure optimum performance of the surgical console in combination with an individual cassette, said fluidic performance characteristics are selected from:
calibration data for the optical aspiration pressure sensor, calibration data for irrigation pressure sensors, the performance characteristics of peristaltic pump tubes, vacuum rise time for the peristaltic pump tubes, maximum vacuum and flow resistance for the peristaltic pump tubes.
2. The system of claim 1, wherein the identifying means is an optical means, located on the cassette, and wherein the detector is an optical reader located on the cassette receiving portion of the surgical console.
3. The system of claim 2, wherein the identifying means comprises a bar code.
4. The system of claim 2, wherein the identifying means comprises an optical means located on the optical aspiration pressure sensor.
5. The system of claim 1, wherein the identifying means is a non-optical means, located in or on the cassette, and wherein the detector is located in the surgical console.
6. The system of claim 5, wherein the identifying means comprises a microcomputer chip, or a Radio Frequency Identification (RFID) chip.
7. A surgical cassette sized and shaped to be received in a cassette receiving portion of a surgical console, the cassette comprising:
a housing;
a means for identifying the cassette and storing information about the cassette readable by the console;
an optical aspiration pressure sensor on the exterior of the housing;
wherein the surgical console has a detector, so that information contained within the identifying means can be detected or received by the detector when the cassette is received by the cassette receiving portion of the surgical console; and the information contained within the identifying means located in or on the cassette identifies fluidic performance characteristics specific to the operation of the cassette, unique to each individual cassette and captured during testing of the cassette at manufacture, said fluidic performance characteristics are selected from:
calibration data for the optical aspiration pressure sensor, calibration data for irrigation pressure sensors, the performance characteristics of peristaltic pump tubes, vacuum rise time for the peristaltic pump tubes, maximum vacuum and flow resistance for the peristaltic pump tubes.
8. The cassette of claim 7, wherein the identifying means additionally identifies encoded individual cassette identification data, including lot number, manufacture date, component part tracking information.
CA2566936A 2005-11-17 2006-11-01 Surgical cassette Active CA2566936C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/281,751 US8011905B2 (en) 2005-11-17 2005-11-17 Surgical cassette
US11/281,751 2005-11-17

Publications (2)

Publication Number Publication Date
CA2566936A1 CA2566936A1 (en) 2007-05-17
CA2566936C true CA2566936C (en) 2010-04-13

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ID=37529400

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2566936A Active CA2566936C (en) 2005-11-17 2006-11-01 Surgical cassette

Country Status (19)

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US (2) US8011905B2 (en)
EP (1) EP1787606B1 (en)
JP (1) JP4662908B2 (en)
KR (1) KR100914095B1 (en)
CN (1) CN1981718B (en)
AR (1) AR058524A1 (en)
AT (1) ATE404142T1 (en)
AU (1) AU2006235983B2 (en)
BR (1) BRPI0604809B8 (en)
CA (1) CA2566936C (en)
CY (1) CY1108374T1 (en)
DE (1) DE602006002225D1 (en)
DK (1) DK1787606T3 (en)
ES (1) ES2312094T3 (en)
IL (1) IL179073A (en)
PL (1) PL1787606T3 (en)
PT (1) PT1787606E (en)
SI (1) SI1787606T1 (en)
TW (1) TWI344356B (en)

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