3
en
7.9 Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7.10 Steam sterilization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7.11 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
9. Troubleshooting list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
10. Technical Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
11. Accessories/Spare parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12. Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12.1 Classification acc. to Directive 93/42/EEC. . . . . . . . . . . . . . . . . 13
12.2 Performance data, information about standards . . . . . . . . . . . 13
12.3 Operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
12.4 Environmental conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
13. Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1. Applicable to
► For item-specific instructions for use and information on material
compatibility, see also the Aesculap Extranet at
https://extranet.bbraun.com
2. General information
2.1 Intended use
Task/Function
The hand-held small drill GA344 and the drill GA844, combined with the
appropriate attachment, is used for driving drilling, milling (medullary
reaming), sawing and screwing tools.
Application Environment
The product is used in operating rooms in sterile zones outside of the
explosion risk zone (such as areas with pure oxygen or anesthesia gases).
2.2 Main functions and design characteristics
2.2.1 Operating mode
Operation with non-periodic load and speed changes (type S9 pursuant to
IEC EN 60034-1)
Drilling (clockwise/counterclockwise rotation)
■ 60 second application, 60 second pause
■ 6 repetitions
■ 30 min cooling time
■ Max. Temperature 48 °C
Medullary reaming (clockwise/counterclockwise rotation)
■ 30 second application, 30 second pause
■ 8 repetitions
■ 30 min cooling time
■ Max. Temperature 48 °C
Drilling (oscillation)
■ 15 second application, 15 second pause
■ 3 repetitions
■ 30 min cooling time
■ Max. Temperature 48 °C
Saw mode with GB891R
■ 30 second application, 60 second pause
■ 4 repetitions
■ 30 min cooling time
■ Max. Temperature 48 °C
Saw mode with GB892R
■ 30 second application, 60 second pause
■ 5 repetitions
■ 30 min cooling time
■ Max. Temperature 48 °C
Screwing with GB896R/GB897R
■ 10 second mechanical application, 10 second manual application,
30 second pause
■ 30 repetitions
■ 30 min cooling time
■ Max. Temperature 48 °C
Electrical systems generally heat up during continual operation. It is
advised to give the system a break after use to cool down, as listed in the
table on operating mode.
Heating depends on the tool used and the load. After a certain number of
repetitions, the system should cool down. This procedure prevents the sys-
tem overheating as well as possible injury to the patient or user.
The user is responsible for the use and adherence to the pause sequence
described.
2.3 Indications
The small drill GA344 and the drill GA844, combined with the relevant
attachment and tool, is used for separating, removing and shaping, hard
tissue, cartilage and the like, as well as bone replacement material, to
screw bone pins in and out, to drive screw tools and to set transfixion
wires.
2.4 Absolute contraindications
The product is not licensed for use on the central nervous system or central
circulatory system.
Speed GB870R
GB871R
GB872R
0 min
-1
to max. 320 min
-1
GB878R
GB881R
GB882R
GB884R
GB886R
GB887R
GB894R
0 min
-1
to max. 1 250 min
-1
GB891R
GB892R
0 min
-1
to max. 15 750 min
-1
GB896R
GB897R
0 min
-1
to max. 165 min
-1
Rotational
direction
Right and left rotation, oscillation
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