CA2359725A1 - Hand piece connector - Google Patents

Hand piece connector Download PDF

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Publication number
CA2359725A1
CA2359725A1 CA002359725A CA2359725A CA2359725A1 CA 2359725 A1 CA2359725 A1 CA 2359725A1 CA 002359725 A CA002359725 A CA 002359725A CA 2359725 A CA2359725 A CA 2359725A CA 2359725 A1 CA2359725 A1 CA 2359725A1
Authority
CA
Canada
Prior art keywords
connector
electrical conductors
outer shell
instrument
extending
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.)
Granted
Application number
CA002359725A
Other languages
French (fr)
Other versions
CA2359725C (en
Inventor
Richard M. Harper
Robert P. Gill
William T. Donofrio
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.)
Ethicon Endo Surgery Inc
Original Assignee
Ethicon Endo-Surgery, Inc.
Richard M. Harper
Robert P. Gill
William T. Donofrio
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
Application filed by Ethicon Endo-Surgery, Inc., Richard M. Harper, Robert P. Gill, William T. Donofrio filed Critical Ethicon Endo-Surgery, Inc.
Publication of CA2359725A1 publication Critical patent/CA2359725A1/en
Application granted granted Critical
Publication of CA2359725C publication Critical patent/CA2359725C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5213—Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5224—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for medical use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
    • H01R13/6456—Means for preventing incorrect coupling by exchangeable elements on case or base comprising keying elements at different positions along the periphery of the connector
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00172—Connectors and adapters therefor
    • A61B2018/00178—Electrical connectors

Abstract

The present invention provides a connector assembly including a connector for use in electrically connecting a surgical instrument to a power source, such as a generator.
The connector generally includes an outer shell with a plurality of first and second electrical conductors disposed within the outer shell for providing the electrical connection between the surgical instrument and a cable leading to the power source. In one aspect of the present invention, the connector includes an isolation barrier disposed within the outer shell so as to separate each of the first electrical conductors from each of the second electrical conductors. In another aspect, the connector includes a keying feature in which the outer surface of the outer shell is modified so as to ensure that the connector may only be plugged into the generator a single way. This reduces the risk that the electrical conductors may be bent due to improper orientation during the insertion action. In yet another aspect of the present invention, a member disposed at the end of an instrument cable sealingly mates with one end of the connector to protect the electrical connection between the cable and the conductor. The member has a resilient arm which is attached to a soak cap permitting the opposite end of the connector to be sealed in select conditions.

Claims (23)

1. A connector for electrically connecting an instrument to a power supply, the connector comprising:
an outer shell having a first end and an opposing second end;
an interior wall extending across the outer shell intermediate to the first and second ends, the interior wall having a plurality of first and second openings formed therethrough;
a plurality of first electrical conductors extending through the plurality of first openings, the first electrical conductors being electrically connected to the instrument;
a plurality of second electrical conductors extending through the plurality of second openings, the second electrical conductors being electrically connected to the instrument; and an isolation barrier disposed within the outer shell and extending from at least one of first and second surfaces of the interior wall so as to separate each of the first electrical conductors from each of the second electrical conductors.
2. The connector as in claim 1, wherein the interior wall partitions the connector into a first cavity extending to the first end and a second cavity extending to the second end.
3. The connector as in claim 2, wherein the isolation barrier has a first section extending from the first surface into the first cavity and a second section extending from the second surface into the second cavity.
4. The connector as in claim 1, wherein the isolation barrier is integrally formed with the interior wall.
5. The connector as in claim 1, wherein the connector further includes: a keying feature formed on an outer surface of the outer shell.
6. The connector as in claim 5, wherein the keying feature comprises an elongated planar indented surface.
7. The connector as in claim 5, wherein the keying feature extends from the first end to a location prior to the second end.
8. The connector as in claim 5, wherein the keying feature has a beveled inner edge which serves as a stop.
9. The connector as in claim 1, wherein the connector is formed of a thermoplastic material and comprises a unitary molded member.
10. The connector as in claim 1, wherein the first and second electrical conductors comprise electrical pins.
11. The connector as in claim 1, wherein the connector further includes:
a non-conductive base in which the plurality of first and second electrical conductors are connected thereto and extend away from first and second surfaces thereof, the conductive base being seated against the interior wall when the connector is assembled.
12. The connector as in claim 1, wherein the instrument comprises an ultrasonic surgical instrument.
13. The connector as in claim 1, wherein each of the first electrical conductors has a first length and each of the second electrical conductors has a second length, the first length being greater than the second length.
14. The connector as in claim 13, wherein the connector is adapted to be inserted into a complementary receptacle, the first electrical conductors comprising isolated contacts which serve to drive the instrument and the second electrical conductors comprise non-isolated contacts which are referenced to ground and detect presence of the instrument being matingly received in the receptacle, whereby the presence of the instrument is not detected until the shorter second electrical conductors are inserted into the receptacle.
15. A connector assembly for electrically connecting an instrument to a power supply, the connector assembly comprising:
a first member for attachment to one end of an electrical cable which connects at an opposite end to the instrument, the first member having a resilient arm extending therefrom and being connected at an opposite end to an end cap member;
a connector formed of an outer shall having a first end and an opposing second end, the connector having a plurality of first and second electrical conductors disposed within the outer shell with an isolation barrier extending internally between the outer shell so as to separate each of the first electrical conductors from each of the second electrical conductors; and wherein the first member has resilient skirt section which sealingly mates with the second end of the connector, the end cap member being received within the first end of the connector to form a seal therewith for protecting the first and second electrical conductors under select conditions.
16. The connector assembly as in claim 15, wherein the connector further comprises:
an interior wall extending between the outer shell intermediate to the first and second ends, the interior wall having a plurality of first and second openings formed therethrough, wherein the plurality of first electrical conductors extend through the plurality of first openings and the plurality of second electrical conductors extend through the plurality of second openings.
17. The connector assembly as in claim 16, wherein the interior wall partitions the connector into a first cavity extending to the first end and a second cavity extending to the second end, the first and second electrical conductors each having a first end extending into the first cavity for reception in an outlet of the power supply and a second end for electrical attachment to the electrical cable.
18. The connector assembly as in claim 15, wherein the first and second electrical conductors comprise conductive pins.
19. The connector assembly as in claim 15, wherein the connector further includes:
a keying feature formed on an outer surface of the outer shell, the keying surface for orienting the connector relative to the power supply so that the first and second electrical conductors properly mate therewith to provide power to the instrument.
20. The connector assembly as in claim 19, wherein the keying feature comprises an elongated planar indented surface.
21. The connector assembly as in claim 15, wherein the outer shell includes a plurality of channels formed on an outer surface thereof for engaging complementary ribs formed on an inner surface of the resilient skirt section so as to locate and seal the resilient skirt about the outer shell.
22. The connector assembly as in claim 15, wherein the end cap member includes a resilient flange at one end which is received within the first end of the connector to form the seal.
23. The connector assembly as in claim 15, wherein the first member including the resilient arm and end cap member form a resilient unitary member.
CA2359725A 2000-10-20 2001-10-17 Hand piece connector Expired - Lifetime CA2359725C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/693,550 US6338657B1 (en) 2000-10-20 2000-10-20 Hand piece connector
US09/693,550 2000-10-20

Publications (2)

Publication Number Publication Date
CA2359725A1 true CA2359725A1 (en) 2002-04-20
CA2359725C CA2359725C (en) 2011-04-19

Family

ID=24785122

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2359725A Expired - Lifetime CA2359725C (en) 2000-10-20 2001-10-17 Hand piece connector

Country Status (7)

Country Link
US (1) US6338657B1 (en)
EP (1) EP1201188B1 (en)
JP (1) JP2002280119A (en)
AU (1) AU784537B2 (en)
CA (1) CA2359725C (en)
DE (1) DE60105731T2 (en)
ES (1) ES2227075T3 (en)

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