McIndoe Nasal Rasp, Backward Cut Straight
$ 26.00
The McIndoe nasal rasp is a straight, backward cutting bone rasp used to take down and level the nasal dorsum in rhinoplasty. Backward cutting means the teeth lean toward the handle and remove bone on the draw, so the surgeon pulls the instrument back out of the nose rather than pushing it up toward the root, and feels resistance before anything gives. The shank runs straight in line with the handle, which makes the stroke a simple pull with no twist at the wrist.
Key Features
- Backward cut face, so bone is removed on the draw stroke toward the surgeon
- Straight shank in line with the handle, for a direct pull and no twisting moment
- Cut steel teeth, for reduction rather than for the finishing pass
- Flat handle, held in the palm and worked from the forearm
- High quality medical grade stainless steel, fully autoclavable
- Three year replacement warranty against manufacturing defects
- Item code AO-01.17
Available on backorder
What a McIndoe nasal rasp is
Everything about this pattern comes from one decision: the teeth face backward. On a forward cutting rasp the surgeon pushes, and the force runs along the nasal bone and into the root, which is the direction a green stick fracture likes to travel. On a backward cutting rasp the surgeon draws, and the force runs back out of the nose. The McIndoe nasal rasp is built entirely around that safer stroke.
The shank is straight rather than curved, which keeps the pull in a single line and gives the hand a direct feel of what the face is doing. It is the pattern that suits a wide open approach and a surgeon who wants the shortest possible path between the teeth and the forearm.
Key design features
Backward cut
The teeth lean toward the handle, so the face bites when the instrument is drawn toward the surgeon and skates when it is pushed. That is not a limitation, it is the safety feature: the return stroke costs nothing, and the surgeon can stop a draw halfway through in a way a push cannot be stopped once it is committed.
A straight shank
No curve means no twisting moment at the wrist and nothing between the hand and the bone. Through an open approach, where the dorsum is fully exposed, a straight shank is faster and more accurate than a curved one. Through a small closed incision it is the wrong choice, because the handle will foul the rim.
A linear face
The working surface is flat and runs in a straight line, so it levels along its length. That suits the middle third of the dorsum, which is the part that is closest to flat on most noses, and it is the reason this pattern turns up so often in reduction sets alongside a curved rasp for the root.
The handle
Flat and wide, so the instrument is held in the palm and drawn with the forearm. On a draw stroke the grip is doing less work than on a push, which is part of why surgeons describe this pattern as the more controllable of the two.
Which McIndoe pattern to order
This page is the straight backward cutting steel pattern. We carry no length or width options against it, so the decision is between the patterns rather than between sizes.
| If you need | Buy | Why |
|---|---|---|
| A straight face and a draw stroke | This page, AO-01.17 | Backward cut, straight shank, steel teeth. The standard reduction rasp of the McIndoe pattern |
| The same instrument with a harder face | the McIndoe nasal rasp in tungsten carbide, AO-03.17 | Carbide holds its bite much longer than steel, which matters when the instrument is used daily |
| A curved shank that follows the dorsum | the Aufricht nasal rasp, AO-09.50 | Curved, and offered in forward, reverse and cross cut |
| To finish the surface once the bone is down | a diamond coated Peet pattern | Cut teeth always leave ridges. Under thin skin those show, and a coated face is what removes them |
Where it is used
A straight linear face suits a straight linear surface, and the list follows from that.
| Procedure | What the McIndoe rasp does there |
|---|---|
| Dorsal hump reduction | Takes the bony hump down on the draw stroke, working the middle third of the dorsum where the bone runs closest to flat |
| Open rhinoplasty | The pattern of choice when the dorsum is fully exposed and a straight shank has room to work |
| Osteotomy margins | Levels the edge of a lateral cut so the mobilized bone seats without a step |
| Nasal fracture, malunion | Reduces a healed prominence where only the surface needs correcting |
| Maxillofacial contouring | Flat bony surfaces elsewhere on the face, where the same straight face and draw stroke apply |
What it abrades, and what it must leave alone
The draw stroke is safer than the push, but a toothed face is still a toothed face.
| Tissue | What this rasp does with it |
|---|---|
| Nasal bones and the bony dorsum | Removes, on the draw. The working tissue |
| Osteotomy edges | Removes. Short strokes, because a cut edge is already weakened |
| Upper lateral cartilage | Clogs the teeth. Cartilage stops this face working and is a signal to lift off |
| Periosteum | MUST BE LEFT ALONE. The flap is raised first, and a loaded face is never drawn back across lifted tissue |
| Skin | Never. The draw stroke ends outside the nose, which is exactly where the skin is, so the face is lifted before the stroke finishes |
How it compares with the other finishing surfaces
The choice that actually matters here is not which surgeon’s name is on the instrument. It is which direction the teeth lean and how hard the face is.
| Face | How it behaves | Verdict |
|---|---|---|
| Backward cut steel, as here | Bites on the draw, skates on the push, dulls slowly | The controllable stroke, and the one most reduction sets are built on |
| Forward cut steel | Bites on the push, sending force up toward the root | Faster for a surgeon standing in the right place, less forgiving if the bone gives |
| Cross cut steel | Bites both ways at about half the rate | Short controlled passes where there is no room for a full stroke |
| Tungsten carbide | Holds its bite far longer than steel and costs more | Worth it on an instrument used every day, not on one used twice a month |
Materials and finish
Every McIndoe nasal rasp we make is cut from high quality medical grade stainless steel. The steel itself is made to a German specification. We do not publish a grade number, because the number on a certificate tells a surgeon nothing about how an abrasive face holds up after fifty autoclave cycles, and the answer to that is in the finish rather than in the alloy.
The teeth are machined into the face, so nothing is bonded and nothing can shed. The body is passivated and satin finished so it does not glare under the light. What ends a steel toothed rasp is not corrosion, it is the teeth going round at the tips; the instrument stops cutting cleanly and starts skating, and at that point a new face is cheaper than the time lost fighting an old one.
Caring for it
Rinse it before the case is cleared. On a backward cutting face the debris packs against the leading edge of each tooth, which is the side a brush reaches last if it is worked in the wrong direction.
Brush along the teeth in the direction they lean, which on this pattern means brushing toward the handle. Soft nylon only, never wire. Enzymatic cleaner, ultrasonic cycle, deionized water rinse, dry fully, autoclave at 134 degrees Celsius. Store it so the face rests against nothing.
Ordering and wholesale
The McIndoe nasal rasp is made in our own workshop and sold direct, which is why the price sits where it does against the catalogue houses. Order one for a single set, or in quantity for a hospital list or a distributor line; we do OEM work under your own brand and your own item numbers, and we will hold a run to your pattern rather than ours if you send a sample. Stock items ship from our own workshop. Backorder items take 10 to 12 working days to make. Every instrument carries a three year replacement warranty against manufacturing defects. Production is controlled under an ISO 13485 quality management system.
Frequently asked questions
What is a McIndoe nasal rasp used for?
Reducing and levelling the bony dorsum in rhinoplasty. It is a straight backward cutting rasp, so it removes bone as the surgeon draws it back out of the nose, and it is used for the reduction itself rather than for the finishing pass at the end.
What does backward cut mean on a McIndoe rasp?
The teeth lean toward the handle, so the face removes bone on the pull toward the surgeon and skates on the push. The advantage is direction of force: a draw sends it back out of the nose instead of up into the nasal root, and a draw can be stopped halfway through.
Should I order the straight or the curved pattern?
Straight for an open approach, where the dorsum is exposed and the handle has room. Curved when the work is done through a small closed incision, because a straight handle will foul the nostril rim and put the face on the bone at an angle. Most sets end up carrying one of each.
Is the McIndoe nasal rasp available in tungsten carbide?
Yes, as a separate item code. This page is the steel toothed pattern. Carbide holds its bite considerably longer and is the better buy for an instrument in daily use; for a rasp used occasionally, steel is the sensible choice.
Does it leave a smooth enough surface to close on?
Not on its own, and no toothed rasp does. Cut teeth leave fine ridges, and under thin dorsal skin those become visible over the first year. Follow it with a diamond coated finishing rasp before the flap goes back down.
Related products and categories
The rest of the named nasal rasps, and the pattern that follows this one: Maltz nasal rasp, 7.5mm wide for a narrower face worked in strips, Aufricht nasal rasp, three cut directions for a curved shank, and Barsky glabellar nasal rasp, 18cm for the brow ridge and the nasal root.
The whole family is in raspatories and saws, and the tray is in rhinoplasty instruments.
| Weight | 0.09 kg |
|---|
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