# US 10,765,813 B2 · Self injection device with multi-position cap

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- Number: US 10,765,813 B2
- Document ID: US10765813B2
- Status: Granted
- Kind: B2
- Application number: 15/602,785
- Filed: 2017-05-23
- Published: 2017-09-07
- Granted: 2020-09-08
- Earliest claimed: 2009-12-04
- Assignees: Becton, Dickinson and Company
- Applicants: Becton, Dickinson and Company
- Inventors: Richard Cronenberg; Ruane Jeter
- Web page: https://patentgrep.com/patent/US10765813B2

## CPC

- A61M 5/3202: {Devices for protection of the needle before use, e.g. caps (A61M5/50 takes precedence; protectors for sharps A61B50/3001)}
- A61M 5/3134: {characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula}
- A61M 5/3213: {Caps placed axially onto the needle, e.g. equipped with finger protection guards (axially-extensible protective sleeves A61M5/3243)}
- A61M 5/24: Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or cartridges, e.g. automatic
- A61M 5/31525: {Dosing (burettes, pipettes B01L3/02)}
- A61M 5/31533: {Dosing mechanisms, i.e. setting a dose (administrating mechanisms A61M5/31565)}
- A61M 2005/2407: {from the rear}
- A61M 2005/3104: {Caps for syringes without needle}
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}

## Abstract

A self-injection device (100, 200), including a pen body (108, 208) connectable to a pen needle (10), and a cap (104, 204) selectively connectable to the pen body (108, 208) in a first orientation with respect to the pen body (108, 208) to minimize the length or volume of the self injection device (100, 200), and in a second orientation to provide sufficient length or volume in an interior of the cap (104, 204) to house a pen needle (10) connected to the pen body (108, 208).

## Claims

### Claim 1

A self-injection device, comprising:
a pen needle;
a pen body connectable to the pen needle; and
a cap connectable directly to a first end of the pen body:
in a first orientation with respect to the pen body to render a length or volume of the self-injection device insufficient to house the pen needle connected to the pen body; and
in a second orientation to provide sufficient length or volume in an interior of the cap to house the pen needle connected to the pen body.

### Claim 2 (depends on 1)

The self-injection device according to claim 1, wherein the first and second orientations are radial orientations with respect to the pen body.

### Claim 3

A self-injection device, comprising:
a pen needle;
a pen body connectable to the pen needle; and
a cap connectable to the pen body in a first orientation with respect to the pen body to render a length or volume of the self-injection device insufficient to house the pen needle connected to the pen body, and in a second orientation to provide sufficient length or volume in an interior of the cap to house the pen needle connected to the pen body;
wherein:
the pen body comprises a pen body axial protrusion and a pen body axial recess, and the cap comprises a cap axial protrusion and a cap axial recess;
in the first orientation, the pen body axial protrusion axially abuts the cap axial recess and the cap axial protrusion axially abuts the pen body axial recess; and
in the second orientation, the pen body axial protrusion axially abuts the cap axial protrusion.

### Claim 4 (depends on 3)

The self-injection device according to claim 3, wherein:
the pen body comprises a first body connector disposed within the pen body axial recess;
the cap comprises a cap connector disposed on an interior of the cap axial protrusion axially adjacent to an end of the cap axial protrusion to interact with the first body connector to secure the cap to the pen body in the first orientation; and
the first body connector comprises one of a radial protrusion and a radial recess, and the cap connector comprises a remaining one of the radial protrusion and the radial recess.

### Claim 5 (depends on 4)

The self-injection device according to claim 4, wherein:
the pen body further comprises a second body connector disposed axially adjacent to an end of the pen body axial protrusion; and
the second body connector comprises one of a second radial protrusion and a second radial recess, to interact with the cap connector to secure the cap to the pen body in the second orientation.

### Claim 6 (depends on 4)

The self-injection device according to claim 4, wherein:
the pen body further comprises a cartridge container for holding a medicament cartridge in the pen body, the cartridge container having an axial slot therethrough for viewing content of the medicament cartridge; and
the cap further comprises a radial protrusion that engages the cartridge container axial slot to secure the cap to the pen body in the second orientation.

### Claim 7 (depends on 3)

The self-injection device according to claim 3, further comprising an anti-rotation feature for preventing rotation of the cap with respect to the pen body subsequent to connection of the cap to the pen body.

### Claim 8 (depends on 7)

The self-injection device according to claim 7, wherein the anti-rotation feature comprises:
a pair of axially protruding horns disposed on radial sides of the pen body axial protrusion; and
a pair of axial horn recesses disposed on radial sides of the cap axial recess, the horn recesses corresponding to the horns;
wherein the horns interact with horn recesses when the cap is secured to the pen body in the first orientation to prevent relative rotation of the cap with respect to the pen body; and
wherein the horns interact with radial sides of the cap axial protrusion when the cap is secured to the pen body in the second orientation to prevent relative rotation of the cap with respect to the pen body.

### Claim 9 (depends on 7)

The self-injection device according to claim 7, wherein the anti-rotation feature comprises:
a pair of axially protruding horns disposed on radial sides of the cap axial protrusion; and
a pair of axial horn recesses disposed on radial sides of the pen body axial recess, the horn recesses corresponding to the horns;
wherein the horns interact with horn recesses when the cap is secured to the pen body in the first orientation to prevent relative rotation of the cap with respect to the pen body; and
wherein the horns interact with radial sides of the pen body axial protrusion when the cap is secured to the pen body in the second orientation to prevent relative rotation of the cap with respect to the pen body.

### Claim 10

A self-injection device, comprising:
a pen needle;
a body connectable to the pen needle at a first end of the body;
a cap having an interior cavity, the cap being connectable directly to the first end of the body:
in a first orientation with respect to the body in which the interior cavity is unable to accommodate the pen needle connected to the body; and
in a second orientation with respect to the body that is axially further from a second end of the body than the first orientation, to accommodate the pen needle connected to the body within the interior cavity, the second end of the body being opposite to the first end.

### Claim 11 (depends on 10)

The self-injection device according to claim 10, wherein the first and second orientations are radial orientations with respect to the body.

### Claim 12

A self-injection device, comprising:
a pen needle;
a body connectable to the pen needle at a first end of the body; and
a cap having an interior cavity, the cap being connectable to the body in a first orientation with respect to the body in which the interior cavity is unable to accommodate the pen needle connected to the body, and in a second orientation with respect to the body that is axially further from a second end of the body than the first orientation, to accommodate the pen needle connected to the body within the interior cavity, the second end of the body being opposite to the first end;
wherein:
the body comprises a body axial protrusion and a body axial recess, and the cap comprises a cap axial protrusion and a cap axial recess;
in the first orientation, the body axial protrusion axially abuts the cap axial recess and the cap axial protrusion axially abuts the body axial recess; and
in the second orientation, the body axial protrusion axially abuts the cap axial protrusion.

### Claim 13 (depends on 12)

The self-injection device according to claim 12, wherein:
the body comprises a first body connector disposed within the pen body axial recess;
the cap comprises a cap connector disposed on an interior of the cap axial protrusion axially adjacent to an end of the cap axial protrusion to interact with the first body connector to secure the cap to the body in the first orientation; and
the first body connector comprises one of a radial protrusion and a radial recess, and the cap connector comprises a remaining one of the radial protrusion and the radial recess.

### Claim 14 (depends on 13)

The self-injection device according to claim 13, wherein:
the body further comprises a second body connector disposed axially adjacent to an end of the pen body axial protrusion; and
the second body connector comprises one of a second radial protrusion and a second radial recess, to interact with the cap connector to secure the cap to the body in the second orientation.

### Claim 15 (depends on 13)

The self-injection device according to claim 13, wherein:
the body further comprises a cartridge container for holding a medicament cartridge in the body, the cartridge container having an axial slot therethrough for viewing a content of the medicament cartridge; and
the cap further comprises a radial protrusion that engages the cartridge container axial slot to secure the cap to the body in the second orientation.

### Claim 16 (depends on 12)

The self-injection device according to claim 12, further comprising an anti-rotation feature for preventing rotation of the cap with respect to the body subsequent to connection of the cap to the body.

### Claim 17 (depends on 16)

The self-injection device according to claim 16, wherein the anti-rotation feature comprises:
a pair of axially protruding horns disposed on radial sides of the body axial protrusion; and
a pair of axial horn recesses disposed on radial sides of the cap axial recess, the horn recesses corresponding to the horns;
wherein the horns interact with horn recesses when the cap is secured to the body in the first orientation to prevent relative rotation of the cap with respect to the body; and
wherein the horns interact with radial sides of the cap axial protrusion when the cap is secured to the body in the second orientation to prevent relative rotation of the cap with respect to the body.

### Claim 18 (depends on 16)

The self-injection device according to claim 16, wherein the anti-rotation feature comprises:
a pair of axially protruding horns disposed on radial sides of the cap axial protrusion; and
a pair of axial horn recesses disposed on radial sides of the body axial recess, the horn recesses corresponding to the horns;
wherein the horns interact with horn recesses when the cap is secured to the body in the first orientation to prevent relative rotation of the cap with respect to the body; and
wherein the horns interact with radial sides of the body axial protrusion when the cap is secured to the body in the second orientation to prevent relative rotation of the cap with respect to the body.

### Claim 19

A method of using a self-injection device comprising a pen needle, a body, and a cap, the method comprising the operations of:
at a first time, connecting the cap directly to a first end of the body in a first orientation in which a length or volume of the self-injection device is insufficient to house the pen needle connected to the body; and
at a second time, connecting the cap directly to the first end of the body in a second orientation that provides sufficient length or volume in an interior of the cap to house the pen needle connected to the body.

### Claim 20

A method of using a self-injection device comprising a pen needle, a body, and a cap, the method comprising the operations of:
at a first time, connecting the cap to the body in a first orientation in which a length or volume of the self-injection device is insufficient to house the pen needle connected to the body; and
at a second time, connecting the cap to the body in a second orientation that provides sufficient length or volume in an interior of the cap to house the pen needle connected to the body;
wherein connecting the cap to the body in the first orientation comprises orienting an axial protrusion and an axial recess of the cap to respectively axially abut an axial recess and an axial protrusion of the body; and
wherein connecting the cap to the body in the second orientation comprises orienting the axial cap protrusion to axially abut the axial body protrusion.

### Claim 21

A self-injection device, comprising:
a pen needle;
a pen body connectable to the pen needle; and
a cap connectable directly to a first end of the pen body:
in a first orientation with respect to the pen body to provide insufficient length or volume in an interior of the cap to house the pen needle connected to the pen body; and
in a second orientation to provide sufficient length or volume in the interior of the cap to house the pen needle connected to the pen body.