IP Library › Granted Patent US 12708713
Granted Patent B2
US 12708713 · App. 17/920,113 · Granted Aug 18, 2026

Injection device with an electronic detector

Inventors: Philipp Troebner (Frankfurt am Main, DE); Stefan Alt (Frankfurt am Main, DE); Thomas Klemm (Frankfurt am Main, DE); Patrick Steiner (Frankfurt am Main, DE); Philipp Mueller (Wil, CH); Martin Rebmann (Wil, CH)
Assignee: SANOFI
A61M5/31551A61M5/20A61M5/24A61M5/31568A61M2205/3561A61M2205/50A61M2205/8206
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Quick Facts
Patent No.
US 12708713
App. No.
17/920,113
Granted
Aug 18, 2026
Kind
B2
Abstract

The present disclosure relates to an injection device for administering of a dose of a medicament. The injection device includes a housing that configured to accommodates a cartridge filled with the medicament, a first component movable relative to the housing along the longitudinal direction between an initial position and a trigger position for dispensing of the dose of the medicament, a second component rotatable relative to the housing for at least one of setting of the dose or dispensing of the dose, a cavity provided in or formed by at least one of the first component and the second component, the cavity been sized to accommodate an electronic detector, and at least a first gasket fastened to one of the housing, the first component and the second component and configured to seal the cavity against ingress of impurities at least while the first component is in the initial position.

Claims (45)

1 . An injection device for administering a dose of a medicament, the injection device comprising:

a housing extending along a longitudinal direction and configured to accommodate a cartridge filled with the medicament;

a drive mechanism configured to operably engage with the cartridge for dispensing the dose of the medicament;

a first component movable relative to the housing along the longitudinal direction between an initial position and a trigger position for dispensing the dose;

a second component rotatable relative to the housing for at least one of setting the dose or dispensing the dose;

a cavity provided in or formed by at least one of the first component or the second component, wherein the cavity is sized to accommodate an electronic detector,

wherein one of the first component and the second component is configured for attachment of the electronic detector, and the electronic detector is configured to recognize a code provided on the other one of the first component and the second component; and

at least one first gasket fastened to one of the housing, the first component, and the second component, wherein the at least one first gasket is configured to seal the cavity against an ingress of impurities at least while the first component is in the initial position,

wherein when the first component is in the trigger position, the at least one first gasket is fastened to one of the housing, the first component, and the second component, and is disengaged from the other two of the housing, the first component, and the second component.

2 . The injection device according to claim 1 , wherein the second component is rotatable relative to the first component during at least one of setting the dose and dispensing the dose.

3 . The injection device according to claim 1 , wherein the code comprises a rotary encoding.

4 . The injection device according to claim 1 , wherein the first component is movable relative to the second component along the longitudinal direction into the trigger position for dispensing the dose.

5 . The injection device according to claim 1 , wherein when the first component is in the initial position, the at least one first gasket is sealingly engaged with at least two of the housing, the first component, and the second component.

6 . The injection device according to claim 1 , wherein the second component comprises one of a dose dial and a dial extension rotatable relative to the housing for setting the dose.

7 . The injection device according to claim 1 , further comprising the cartridge filled with the medicament and arranged inside the housing.

8 . The injection device according to claim 1 , wherein the drive mechanism includes a clutch, wherein a distal movement of the clutch in the longitudinal direction relative to at least one of the second component or the housing causes switching of the drive mechanism from a dose setting mode to a dose dispensing mode.

9 . An injection device for administering a dose of a medicament, the injection device comprising:

a housing extending along a longitudinal direction and configured to accommodate a cartridge filled with the medicament;

a drive mechanism configured to operably engage with the cartridge for dispensing the dose of the medicament;

a first component movable relative to the housing along the longitudinal direction between an initial position and a trigger position for dispensing the dose;

a second component rotatable relative to the housing for at least one of setting the dose or dispensing the dose;

a cavity provided in or formed by at least one of the first component or the second component, wherein the cavity is sized to accommodate an electronic detector,

wherein one of the first component and the second component is configured for attachment of the electronic detector, and the electronic detector is configured to recognize a code provided on the other one of the first component and the second component; and

at least one first gasket fastened to one of the housing, the first component, and the second component, wherein the at least one first gasket is configured to seal the cavity against an ingress of impurities at least while the first component is in the initial position,

wherein the at least one first gasket is provided on one of a proximal end face of the housing and a longitudinal end face of one of the first component and the second component, the at least one first gasket being sealingly engaged with the proximal end face and the longitudinal end face when the first component is in the initial position.

10 . The injection device according to claim 9 , wherein the second component is rotatable relative to the first component during at least one of setting the dose and dispensing the dose.

11 . The injection device according to claim 9 , wherein the first component comprises a trigger provided at a proximal end of the injection device and distally depressible in the longitudinal direction for dispensing the dose.

12 . The injection device according to claim 9 , wherein the second component comprises one of a dose dial and a dial extension rotatable relative to the housing for setting the dose.

13 . The injection device according to claim 9 , further comprising the cartridge filled with the medicament and arranged inside the housing.

14 . The injection device according to claim 9 , wherein the drive mechanism includes a clutch, wherein a distal movement of the clutch in the longitudinal direction relative to at least one of the second component or the housing causes switching of the drive mechanism from a dose setting mode to a dose dispensing mode.

15 . An injection device for administering a dose of a medicament, the injection device comprising:

a housing extending along a longitudinal direction and configured to accommodate a cartridge filled with the medicament;

a drive mechanism configured to operably engage with the cartridge for dispensing the dose of the medicament;

a first component movable relative to the housing along the longitudinal direction between an initial position and a trigger position for dispensing the dose;

a second component rotatable relative to the housing for at least one of setting the dose or dispensing the dose;

a cavity provided in or formed by at least one of the first component or the second component, wherein the cavity is sized to accommodate an electronic detector,

wherein one of the first component and the second component is configured for attachment of the electronic detector, and the electronic detector is configured to recognize a code provided on the other one of the first component and the second component; and

at least one first gasket fastened to one of the housing, the first component, and the second component, wherein the at least one first gasket is configured to seal the cavity against an ingress of impurities at least while the first component is in the initial position,

wherein the first component comprises a first sidewall, and the second component comprises a second sidewall at least partially surrounding the first sidewall, and

wherein the at least one first gasket is sealingly disengaged from at least one of the first sidewall and the second sidewall when the first component is in the trigger position.

16 . The injection device according to claim 15 , wherein the at least one first gasket is fastened to one of the first sidewall or the second sidewall, and the at least one first gasket faces towards the other one of the first sidewall and the second sidewall.

17 . The injection device according to claim 15 , wherein the at least one first gasket is attached to one of the first sidewall and the second sidewall, and the at least one first gasket protrudes towards the other one of the first sidewall and the second sidewall.

18 . The injection device according to claim 15 , wherein at least one of the first sidewall or the second sidewall comprises at least one of a tapering section, a curved section, or a bulged section in the longitudinal direction.

19 . The injection device according to claim 15 , wherein the at least one first gasket is in a sealing engagement with the first sidewall and with the second sidewall when the first component is in the initial position.

20 . The injection device according to claim 1 , wherein the first component comprises a trigger provided at a proximal end of the injection device and distally depressible in the longitudinal direction for dispensing the dose.