
Indications For Use
The V. Mueller™ Take-Apart Kerrison Rongeur is a
manually operated instrument used for cutting or
biting bone during surgery involving the skull or
spinal column.
Catalog Numbers
NL4291-71T, NL4291-72T, NL4291-73T, NL4291-74T,
NL4291-75T, NL4291-76T, NL4291-81T, NL4291-82T,
NL4291-83T, NL4291-84T, NL4291-85T, NL4291-86T,
NL4291-91T, NL4291-92T, NL4291-93T, NL4291-94T,
NL4291-95T, NL4291-96T, NL4291-71, NL4291-72,
NL4291-73, NL4291-74, NL4291-75, NL4291-76,
NL4291-81, NL4291-82, NL4291-83, NL4291-84,
NL4291-85, NL4291-86, NL4291-91, NL4291-92,
NL4291-93, NL4291-94, NL4291-95, NL4291-96,
NL4291-01, NL4291-02, NL4291-03, NL4291-04,
NL4291-05, NL4291-06, NL4291-21, NL4291-22,
NL4291-23, NL4291-24, NL4291-25, NL4291-26,
NL4291-01T, NL4291-02T, NL4291-03T, NL4291-04T,
NL4291-05T, NL4291-06T, NL4291-21T, NL4291-22T,
NL4291-23T, NL4291-24T, NL4291-25T, NL4291-26T
How Supplied
V. Mueller devices are packaged as non-sterile.
Cleaning and sterilization must occur prior to use.
imitations on Reprocessing
Repeated reprocessing has minimal effect on these
devices. End of life is normally determined by wear
and damage due to use.
Warnings
Devices shall be used in accordance with these
instructions for use. Read all sections of this insert
prior to use. Improper use of this device may cause
serious injury. In addition, improper care and
maintenance of the device may render the device
non-sterile prior to patient use and cause a serious
injury to the patient or health care provider.
Cautions
If there are any variations between these instructions
and either your facility’s policies and/or your
cleaning/sterilization equipment manufacturer’s
instructions, those variations should be brought to
the attention of the appropriate responsible hospital
personnel for resolution before proceeding with
cleaning and sterilizing your devices.
Use of device for a task other than that for which it is
intended will usually result in a damaged or broken
device.
Prior to use, inspect device to ensure proper function
and condition. Do not use devices if they do not
satisfactorily perform their intended function or have
physical damage.
Only the cleaning and sterilization processes which
are defined within these instructions for use have
been validated.
1
Proofed by: Date:
Dimensions checked: Copy checked:
DCN 43808
Vernon Hills, IL
Richard Cisneroz
02-18-16
36-10023B
Pre-processing Instructions
Initiate cleaning of device within two (2) hours of use.
Transport devices via the institution’s established
transport procedure.
Remove excess gross soil as soon as possible after
use by rinsing or wiping the device.
All devices must be processed in the open/relaxed
position to allow solution contact of all surfaces.
Take-Apart Kerrison Rongeur
a.Open/Relaxed
b.Closed
c. Trigger
d. Top Cutting Rail
e.ront Handle
f. Thumb Rest
g. Connection Mechanism
h.Top Rail Connection
Device Use Instructions
Disassembly
1. Orient the instrument so the working end is
facing you.
2. Grasp Kerrison handle with thumb on upper
portion of trigger and fingers below thumb rest.
(Figure 1)
3. Grip front handle with the opposite hand.
(Figure 2)
4. Depress and hold the trigger with your thumb.
5. Guide the front handle back until the connection
mechanism releases. (Figure 3 and 4)
Note: The trigger must remain depressed the entire
time.
Note: You will hear an audible snap upon proper
disengagement.
6. Upon hearing the audible snap and seeing the
connection mechanism disengage, guide the front
handle forward until the trigger is completely
covering the connection mechanism.
(Figure 5 and 6)
7. Release grip on trigger.
8. Lift top cutting rail from tip. (Figure 7)
9. Clean and lubricate as needed.
Assembly
1. Ensure handle is in fully open/relaxed position
and the connection mechanism is engaged.
(Figure 8 and 9)
Note: If connection mechanism is dis-engaged, top
cutting rail will not properly align. ( ollow steps 4-7
from Dis ssembly above.)
2. Align the top cutting rail directly over the bottom
rail and hold top cutting rail in place.
(Figure 10 and 11)
3. While holding top cutting rail in place, close
handle to engage connection mechanism.
Note: You should hear an audible snap as the
connection mechanism is engaged.
4. Release handle and check device for proper
movement.
en