Medical device housing with weld joint features

• US 10,327,344 B2
• Filed: 04/17/2017
• Issued: 06/18/2019
• Est. Priority Date: 04/18/2016
• Status: Active Grant

• Current Assignee: Cardiac Pacemakers Incorporated (Boston Scientific Corporation)
• Original Assignee: Cardiac Pacemakers Incorporated (Boston Scientific Corporation)
• Inventors: Bobgan, Jean M., Stieper, David P., Lamberty, Mark A.
• Primary Examiner(s): Tso, Stanley
• Application Number:
  US15/488,908
• Publication Number:
  US 20170303411A1
• Time in Patent Office: 792 Days
• Field of Search: 174504
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/0031 Implanted circuitry
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/0215 by means inserted into the body catheters A61M25/00
• CPC Class Codes: A61B 5/02444 Details of sensor A61B5/02427 takes precedence
• CPC Class Codes: A61B 5/11 Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb for measuring pulse A61B5/02 ;A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721
• CPC Class Codes: A61B 5/686 Permanently implanted devices, e.g. pacemakers, other stimulators, biochips A61B5/6861 takes precedence
• CPC Class Codes: A61N 1/36521 the parameter being derived from measurement of an electrical impedance
• CPC Class Codes: A61N 1/36535 controlled by body position or posture
• CPC Class Codes: A61N 1/36542 controlled by body motion, e.g. acceleration
• CPC Class Codes: A61N 1/3655 controlled by body or blood temperature
• CPC Class Codes: A61N 1/36564 controlled by blood pressure
• CPC Class Codes: A61N 1/36578 controlled by mechanical motion of the heart wall, e.g. measured by an accelerometer or microphone
• CPC Class Codes: A61N 1/375 Constructional arrangements, e.g. casings
• CPC Class Codes: A61N 1/37512 Pacemakers
• CPC Class Codes: A61N 1/3754 Feedthroughs
• CPC Class Codes: A61N 1/3756 Casings with electrodes thereon, e.g. leadless stimulators
• CPC Class Codes: A61N 1/3758 Packaging of the components within the casing
• CPC Class Codes: A61N 1/39622 Pacing therapy
• CPC Class Codes: A61N 1/3968 Constructional arrangements, e.g. casings A61N1/375 takes precedence
• CPC Class Codes: G16H 40/67 : for remote operation
• CPC Class Codes: H05K 5/0217 : Mechanical details of casings covers, lids, hoods or members for covering apertures H05K5/03

Abstract

Aspects of the present disclosure are directed toward a medical device having a a core assembly. The core assembly includes a core circuit assembly and a core assembly housing configured to enclose the core circuit assembly. The core assembly housing includes a first portion, and a second portion configured to be coupled to the first portion along a weld seam. The second portion includes at least one weld joint feature, which includes a thinned section of the second portion.

Claims

1. A medical device comprising:

a core circuitry assembly; and

a core assembly housing configured to enclose the core circuitry assembly, the core assembly housing comprising;

a first portion comprising;

a first side wall, the first side wall comprising a first end and a second end, wherein the first end comprises at least one notch and wherein the second end comprises at least one;

a first lower wall coupled to the first wall by a first corner portion and extending in a direction away from an inside surface of the first side wall; and

a first upper wall coupled to the first side wall by a second corner portion and extending in a direction away from the inside surface of the first side wall; and

a second portion configured to be coupled to the first portion along a weld seam, the second portion comprising;

a second side wall, the second side wall comprising a first end and a second end, wherein the first end comprises at least one notch and wherein the second end comprises at least one notch;

a second lower wall coupled to the second side wall by a third corner portion and extending in a direction away from an inside surface of the second side wall;

a second upper wall coupled to the side wall by a second corner portion and extending in a direction away from an inside surface of the second side wall; and

at least one weld joint feature, wherein the at least one weld joint feature includes a wedged-shaped section of an outside surface of the second lower wall, a wedged-shape section of an outside surface of the second upper wall, a wedged-shaped section of an inside surface of the first lower wall, and a wedge-shaped section of an inside surface of the first upper wall.

2. The medical device of claim 1, wherein the at least one weld joint feature comprises at least one of a flange and a wedge-shaped edge of at least one wall of the second portion.

3. The medical device of claim 1, wherein the at least one weld joint feature includes a first flange that is recessed with respect to an outside surface of the second lower wall and a second flange that is recessed with respect to an outside surface of the second upper wall.

4. The medical device of claim 3, the at least one weld joint feature further comprising a third flange that is recessed with respect to an inside surface of the first lower wall and a fourth flange that is recessed with respect to an inside surface of the first upper wall.

5. The medical device of claim 3, wherein the first and second flanges act as an integrated weld ring to protect the core circuitry assembly from the energy applied during a welding procedure.

6. The medical device of claim 1, wherein the wedge-shaped section of the outside surface of the second lower wall and the wedge-shaped section of the outside surface of the second upper wall act as an integrated weld ring to protect the core circuitry assembly from the energy applied during a welding procedure.

7. A medical device comprising:

a core circuitry assembly; and

a core assembly housing configured to enclose the core circuitry assembly, the core assembly housing comprising;

a first portion comprising;

(1) a first side wall, the first side wall comprising a first end and a second end, wherein the first end comprises at least one notch and wherein the second end comprises at least one;

(2) a first lower wall coupled to the first side wall by a first curved corner portion and extending in a direction away from an inside surface of the first side wall; and

(3) a first upper wall coupled to the first side wall by a second curved corner portion and extending in a direction away from the inside surface of the first side wall;

a second portion configured to be coupled to the first portion along a weld seam, the second portion comprising;

(1) a second side wall, the second side wall comprising a first end and a second end, wherein the first end comprises at least one notch and wherein the second end comprises at least one notch;

(2) a second lower wall coupled to the second side wall by a third curved corner portion and extending in a direction away from an inside surface of the second side wall; and

(3) a second upper wall coupled to the side wall by a second curved corner portion and extending in a direction away from an inside surface of the second side wall; and

at least one weld joint feature, wherein the at least one weld joint feature includes a wedged-shaped section of an outside surface of the second lower wall, a wedged-shape section of an outside surface of the second upper wall, a wedged-shaped section of an inside surface of the first lower wall, and a wedge-shaped section of an inside surface of the first upper wall.

8. The medical device of claim 7, the at least one weld joint feature includes a thinned section of the second portion that is recessed with respect to an outer surface of a wall of the second portion and a thinned section of the first portion that is recessed with respect to an inner surface of a wall of the first portion, wherein the thinned section of the second portion comprises a first flange that is recessed with respect to an outside surface of the second lower wall and a second flange that is recessed with respect to an outside surface of the second upper wall.

9. The medical device of claim 8, wherein the thinned section of the first portion comprises a third flange that is recessed with respect to an inside surface of the first lower wall and a fourth flange that is recessed with respect to an inside surface of the first upper wall.

10. The medical device of claim 8, wherein the first and second flanges act as an integrated weld ring to protect the core circuitry assembly from the energy applied during a welding procedure.

11. The medical device of claim 7, wherein the wedge-shaped section of the outside surface of the second lower wall and the wedge-shaped section of the outside surface of the second upper wall act as an integrated weld ring to protect the core circuitry assembly from the energy applied during a welding procedure.