Electrical connector for an in-body multi-contact medical electrode device

• US 7,425,142 B1
• Filed: 03/16/2007
• Issued: 09/16/2008
• Est. Priority Date: 03/16/2007
• Status: Active Grant

• Current Assignee: AD-Tech Medical Instrument Corp.
• Original Assignee: AD-Tech Medical Instrument Corp.
• Inventors: Putz, David A.
• Primary Examiner(s): LEON, EDWIN A
• Application Number:
  US11/687,348
• Publication Number:
  US 20080228059A1
• Time in Patent Office: 550 Days
• Field of Search: 439/79, 439/909, 439/885, 439/138, 439/142, 439/144, 439/798, 439/824, 439/482, 607 37- 38, 607/115, 607/116, 607/119, 607/122, 600373-381
• US Class Current: 439/138
• CPC Class Codes: H01R 13/2421 using coil springs
• CPC Class Codes: H01R 13/5224 for medical use
• CPC Class Codes: H01R 2107/00 Four or more poles
• CPC Class Codes: H01R 2201/12 for medicine and surgery
• CPC Class Codes: H01R 24/58 Contacts spaced along longitudinal axis of engagement
• CPC Class Codes: Y10S 439/909 Medical use or attached to human body

Abstract

An improved electrical connector for connecting a multi-contact medical electrode device with a plural-contact tail. Having a tail-receiving first elongate member with a tail-receiving void and a second elongate member. The second elongate member has a nesting surface and an array of electrical conductors which are spring-loaded pin plunger devices. The spring-loaded pin plunger devices having movable pins that project into and at least partially, preferably halfway, across and into the tail-receiving void. The device is configured such that the spring-loaded pin plunger devices extend at an angle substantially parallel to the movement of the tail-receiving void at the point the pin tips enter therein. The distal end of the second elongate member has an opening through which a multi-wire electrical cable extends. The second elongate member also has a channel in alignment with the opening that has therein the multiple wires of the electrical cable.

Claims

1. In an electrical connector for connecting the linear-array plural-contact tail of an in-body multi-contact medical electrode device, including (a) a tail-receiving first elongate member having proximal and distal ends, the first elongate member forming a tail-receiving void and having a presentation face parallel to the void and having notches therealong intersecting with the void to expose the plural tail contacts and (b) a second elongate member with corresponding proximal and distal ends and having a nesting surface and an array of electrical conductors therealong, the improvement wherein:

the electrical conductors are spring-loaded pin plunger devices having movable pins projecting into and at least partially across and into the tail-receiving void of the first elongate member;

the second elongate member includes a pair of opposed endwalls between which the first elongate member extends in nested fashion with its ends adjacent to the endwalls and is pivotable with respect thereto about a pivot axis; and

the spring-loaded pin plunger devices on the second elongate member extend from the nesting surface at an angle substantially parallel to the movement of the tail-receiving void at the point the pin tips enter therein.

2. The multi-contact medical connector of claim 1 wherein the moveable pins project at least halfway across and into the tail-receiving void of the first elongate member.

3. The multi-contact medical connector of claim 1 wherein:

the pin plungers protrude beyond the nesting surface toward the first elongate member;

the presentation face and the nesting surface abut one another to define the closed position;

the presentation face has a lead edge which is adjacent to the nesting surface when the first elongate member is in the closed position; and

the notches on the presentation face extend to the lead edge such that the notches receive the pin plunger devices as the first elongate member is pivoted to the closed position.

4. The multi-contact medical connector of claim 1 wherein:

the nesting surface includes a pivot-axis-adjacent face and a pivot-axis-opposite face substantially perpendicular thereto; and

the presentation face is substantially parallel to the pivot-axis-opposite face when the first elongate member is in the closed position.

5. In an electrical connector for connecting the linear-array plural-contact tail of an in-body multi-contact medical electrode device, including (a) a tail-receiving first elongate member with proximal and distal ends and a presentation face and (b) a second elongate member with corresponding proximal and distal ends having a nesting surface and, an array of electrical conductors therealong, the proximal end of the second elongate member forming an electrode-tail access area, the first elongate member forming a tail-receiving void, the improvement comprising:

the distal end of the second elongate member having an opening through which a multi-wire electrical cable extends to allow connection to remote equipment;

a channel along the second elongate member in alignment with the opening and having therein the multiple wires of the electrical cable each attached with a respective conductor, the wires and attachments sealed by a body of epoxy-like substance within the channel;

the electrical conductors are spring-loaded pin plunger devices having movable pins projecting into and at least partially across and into the tail-receiving void of the first elongate member;

the second elongate member includes a pair of opposed endwalls between which the first elongate member having proximal and distal ends extends in nested fashion with its ends adjacent to the endwalls and is pivotable with respect thereto about a pivot axis; and

the spring-loaded pin plunger devices on the second elongate member extend from the nesting surface at an angle substantially parallel to the movement of the tail-receiving void at the point the pin tips enter therein.

6. The multi-contact medical connector of claim 5 wherein the second elongate member has a pair of outside surfaces defining intersecting planes and the body of epoxy-like substance is entirely between the second elongate member and the intersecting planes, thereby minimizing the cross-sectional profile of the connector.

7. The medical connector of claim 5 wherein the distal end of the second elongate member encircles the opening, which allows passage therethrough of the multi-wire electrical cable.

8. The medical connector of claim 5 where the second elongate member has at least one lock tab positioned to overlap the first elongate member, thereby securing the closed position.

9. In combination, (a) an electrical connector comprising a tail-receiving first elongate member with an presentation face and an elongate tail-receiving void with the plural-contact tail received therein, the first elongate member also having a lead edge with notches therealong intersecting with the void to expose the plural tail contacts, and a second elongate member having a nesting surface and an array of spring-loaded pin plunger devices therealong and (b) a linear-array plural-contact tail inserted within the void, the improvement comprising:

the distal end of the second elongate member having an opening through which a multi-wire electrical cable extends to allow connection to remote equipment;

a channel along the second elongate member in alignment with the opening and having therein the multiple wires of the electrical cable each attached with a respective conductor, the wires and attachments sealed by a body of epoxy-like substance within the channel;

the second elongate member includes a pair of opposed endwalls between which the first elongate member having proximal and distal ends extends in nested fashion with its ends adjacent to the endwalls and is pivotable with respect thereto about a pivot axis; and

the spring-loaded pin plunger devices on the second elongate member extend from the nesting surface at an angle substantially parallel to the movement of the tail-receiving void at the point the pin tips enter therein.

10. The multi-contact medical connector of claim 9 wherein the second elongate member has a pair of outside surfaces defining intersecting planes and the body of epoxy-like substance is entirely between the second elongate member and the intersecting planes, thereby minimizing the cross-sectional profile of the connector.

11. The medical connector of claim 9 where the second elongate member has a proximal and distal end, the distal end encircles the opening, which allows passage therethrough of the multi-wire electrical cable.

12. The multi-contact medical connector of claim 9 wherein the presentation face and nesting surface abut one another to define the closed position and the first elongate member includes a grip flange facilitating pivoting of the first elongate member from the closed to the open position.

13. The medical connector of claim 9 wherein the second elongate member has at least one lock tab positioned to overlap the first elongate member, thereby securing the closed position.

14. The multi-contact medical connector of claim 9 wherein:

the pin plungers protrude beyond the nesting surface toward the first elongate member;

the presentation face has a lead edge which is adjacent to the nesting surface when the first elongate member is in the closed position; and

the notches on the presentation face extend to the lead edge such that the notches receive the pin plunger devices as the first elongate member is pivoted to the closed position.

15. The multi-contact medical connector of claim 9 wherein:

the nesting surface includes a pivot-axis-adjacent face and a pivot-axis-opposite face substantially perpendicular thereto; and

the presentation face is substantially parallel to the pivot-axis-opposite face when the first elongate member is in the closed position.