Flexible connector for implantable wiring harness

• US 20080009198A1
• Filed: 08/26/2005
• Published: 01/10/2008
• Est. Priority Date: 08/27/2004
• Status: Active Grant

• Current Assignee: PMI Industries, Inc.
• Original Assignee: PMI Industries, Inc.
• Inventors: Marino, Jay
• Granted Patent: US 7,641,520 B2
• Time in Patent Office: Days
• US Class Current: 439/668
• CPC Class Codes: H01R 13/2478 spherical
• CPC Class Codes: H01R 13/5221 having cable sealing means
• CPC Class Codes: H01R 13/5224 for medical use
• CPC Class Codes: H01R 13/5227 with evacuation of penetrating liquids
• CPC Class Codes: H01R 13/5845 the strain relief being achieved by molding parts around cable and connections
• CPC Class Codes: H01R 13/631 for engagement only
• CPC Class Codes: H01R 13/639 Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
• 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: H01R 35/00 Flexible or turnable line connectors , i.e. the rotation angle being limited rotary current collectors, distributors H01R39/00

Abstract

The present invention is directed to a linear connector assembly comprising a plug connector (22) and a receptacle connector (24). The plug connector (22) includes an elongated member (26), and an electrical contact (72) disposed about a portion of the elongated member. The receptacle connector (24) includes a wall defining a cavity (44) dimensioned to sealingly receive the elongated member, and an electrical contact having a surface disposed in the wall for electrical connection with the plug contact. The electrical contacts of the plug connector (22) and the receptacle connector (24) have spherical surface portions whereby a spherical interlace between the electrical contacts is formed upon make-up and reduces voltage drops between the contacts.

Claims

1. A linear connector assembly comprising:

a plug connector including an elongated member, and an electrical contact disposed about a portion of the elongated member; and

a receptacle connector including a wall defining a cavity dimensioned to sealingly receive the elongated member, and an electrical contact having a surface disposed in the wall for electrical connection with the plug contact;

wherein the electrical contacts of the plug connector and the receptacle connector have spherical surface portions whereby a spherical interface between the electrical contacts is formed upon make-up and reduces voltage drops between the contacts.

2. The invention of claim 1 wherein the plug connector is formed at least partially from a flexible elastomeric material.

3. The invention of claim 1 wherein the receptacle connector is formed at least partially from a flexible elastomeric material.

4. The invention of claim 3 wherein the elastomeric material at least partially encapsulates the electrical contact of the receptacle connector.

5. The invention of claim 1 wherein the plug connector includes a proximal seal and a distal seal axially spaced therefrom, the proximal seal being fixedly secured to a proximal portion of the elongated member, the distal seal distal being fixedly secured to a distal portion of the elongated member.

6. The invention of claim 5 wherein the proximal seal and the distal seal are integrally formed with the elongated member.

7. The invention of claim 1 wherein the receptacle connector further includes a fluid exhaust port in fluid communication with the cavity.

8. The invention of claim 1 wherein the receptacle connector further includes a shaping member extending therethrough for maintaining a desired conformation of the connector assembly.

9. The invention of claim 1 wherein the plug connector includes a bore for receiving first power and sensor cables, the first power and sensor cables being electrically connected to the plug contact.

10. The invention of claim 1 wherein the receptacle connector includes a bore for receiving second power and sensor cables, the second power and sensor cables being electrically connected to the receptacle contact.

11. The invention of claim 10 wherein the second receptacle power and sensor cables are helically coiled about the cavity for flexibility and for relieving strain from solder joints between each second cable and the receptacle contact.

12. The invention of claim 1 wherein a distal portion of the plug connector includes a tapered strain relief for flexibility and sealingly securing the plug connector to a first cable jacket.

13. The invention of claim 1 wherein a distal portion of the receptacle connector includes a tapered strain relief for flexibility and sealingly securing the receptacle connector to a second cable jacket.

14. The invention of claim 1 further comprising locking means for securing the distal portion of the plug connector to a proximal portion of the receptacle connector.

15. The invention of claim 1 wherein the receptacle connector includes a pin being in electrical contact with the receptacle contact, the pin being hermetically sealed for internal wiring.

16. The invention of claim 1 further including a titanium housing.

17. A flexible connector assembly comprising:

a plug connector including;

an elongated connector body,

a plurality of longitudinally spaced apart first electrical contacts fixedly secured to a peripheral surface of the elongated connector body; and

a receptacle connector including;

a wall defining a cavity dimensioned to matingly receive the plug connector,

a plurality of longitudinally spaced apart second electrical contacts extending from the wall and at least partially surrounding the cavity, the plurality of second contacts being electrically connected to the plurality of first contacts when the plug connector is received in the receptacle connector;

wherein upon insertion of the elongated connector body into the cavity, the peripheral surface of the elongated connector body located between adjacent first contacts sealingly engages the wall to electrically isolate adjacent first contacts from each other.

18. The invention of claim 17 wherein the plurality of first contacts are generally circular.

19. The invention of claim 17 wherein the plurality of second contacts are generally semi-circular.

20. The invention of claim 17 wherein an interface between each receptacle contact and each plug contact is generally spherical for reducing voltage drops.

21. The invention of claim 17 wherein the plug connector further includes a proximal seal and a distal seal, the proximal seal expelling any fluid or air in the cavity upon advancement of the plug connector into the receptacle connector.

22. The invention of claim 17 wherein the receptacle connector further includes an exhaust port in fluid communication with the cavity.

23. The invention of claim 17 wherein the receptacle connector further includes a bore for receiving a shaping member for maintaining a desired conformation of the connector assembly.

24. The invention of claim 17 wherein the plug connector includes means for pulling the elongated connector body of the plug connector into the cavity of the receptacle connector.

25. The invention of claim 17 further comprising means for locking the plug connector to the receptacle connector.

26. A linear connector assembly comprising:

an elongated plug connector including;

a first bore for receiving a first set of power and sensor cables, and

a plurality of spaced apart first electrical contacts received therein, wherein the first set of power and sensor cables are electrically connected to the plurality of first electrical contacts; and

a receptacle connector including;

a cavity dimensioned to sealingly receive the elongated plug connector,

a plurality of second electrical contacts received therein, the plurality of second contacts being electrically connected to the plurality of first contacts upon assembly of the plug connector to the receptacle connector, and

a second bore for receiving a second set of power and sensor cables electrically connected to the plurality of second electrical contacts

wherein the second set of receptacle power and sensor cables are helically coiled about the cavity for flexibility and for relieving strain from solder joints between each second cable and each second electrical contact.

27. The invention of claim 26 wherein upon insertion of the elongated plug connector into the cavity, the elongated plug connector sealingly engages a wall defining the cavity to electrically isolate adjacent first electrical contacts from each other.