Scalpel Handle #3, Fits 10 Series Blades

What a number 3 scalpel handle is

A number 3 scalpel handle is a reusable steel handle that holds a disposable surgical blade. The number refers to the FITTING, which is the shape of the slot the blade locks onto, and a number 3 fitting takes the 10 series blades: numbers 10, 11, 12 and 15. Catalogues also list it as a number 3 scalpel holder, a surgical blade handle and a knife handle number 3, and all of those are this product.

One honest note about price, since this is the cheapest instrument in the category. We sell this at 7.50 dollars and the open market sells a comparable number 3 for about the same. On most of what we make we are a long way under the catalogue houses, but not here, and it would be dishonest to pretend otherwise on a page you can price check in one search.

Key design features

The number is the fitting, not the size

This is the thing most people want explained. A handle number tells you which family of blades will seat on it, not how long the handle is. A number 3 takes the 10 series, blades numbers 10, 11, 12 and 15. A number 4 takes the 20 series, blades numbers 20, 21, 22 and 25, and the two are not interchangeable in either direction. So the first question is never how big the handle is, it is which blades your list already stocks.

Why the 10 series covers most lists

A number 10 is the general purpose belly blade, an 11 is the straight stab point, a 12 is the small hook and a 15 is the short curved blade for fine work. Between those four you can open skin, stab a tract, cut a suture loop free and do a biopsy. That is the reason a number 3 handle is on more trays than every other handle put together.

Flat shank, pencil grip

The shank is flat rather than round, and lightly knurled. Flat tells your fingers which way the blade edge is pointing without looking, which matters when the hand comes back to the instrument mid case. The knurl is there for grip through a wet glove and it is cut shallow, because a deep knurl is somewhere for tissue to sit through a wash cycle.

Two finishes, and the reason to pick one

Satin is the default: it does not throw light back at you, which matters under a theater lamp or a loupe. Gold plating is chosen for a different reason, which is that it makes one handle instantly identifiable on a tray, so a set that must not be mixed up with the next tray along gets the gold. Both are the same steel underneath.

What to tell us when you order one

This product carries one option on our site, the finish. The rest is worth settling before you order.

Where it is used

It is on more trays than any other handle, because the four blades it takes cover most of what is cut through a short incision.

What seats on it, and what does not

The second column is the wasted order this table exists to prevent.

How it compares with the other handles

Six handles get asked for. We make four of them and we will say plainly which two we do not.

Materials and finish

Every number 3 handle 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 whether a blade still seats without play after two thousand blade changes, and the answer to that is in the making rather than in the alloy.

On a handle the whole instrument is one surface, so there is nowhere for a fault to hide. The blade slot is machined to hold a blade without play, because a blade that rocks is a blade that can come off the slot under load. The knurl is cut shallow and the edges of the shank are broken so there is no sharp line against a glove. The satin finish is applied last and it is not a coating, it is the steel itself.

Caring for it

Take the blade off with forceps or a blade remover, never with fingers, and dispose of it as a sharp. The handle itself has no moving parts and comes apart no further.

Brush the blade slot specifically, because that is where blood sits and where the next blade has to seat flat. Ultrasonic in a neutral pH enzymatic detergent, rinse in deionized water, dry fully and autoclave at 134 degrees Celsius. No lubrication is needed anywhere. Before the next case, fit a blade and try to rock it: if there is play, the slot has been damaged and the handle should be retired, and we replace it inside the three years.

Ordering and wholesale

Every number 3 scalpel handle we sell 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 tray, 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 us 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 scalpel handle used for?

Holding a disposable surgical blade so a surgeon can cut with it. The handle gives the length, the balance and the grip; the blade gives the edge and is thrown away after the case. Handles are reusable and autoclavable, which is why a tray carries two or three handles and a box of blades rather than a box of whole scalpels.

What are the sizes of scalpel handles?

Handles are described by FITTING rather than by length, and the two common fittings are the number 3 and the number 4. A number 3 takes the 10 series blades, numbers 10, 11, 12 and 15. A number 4 takes the 20 series, numbers 20, 21, 22 and 25. A number 7 is a different shape of handle but it uses the number 3 fitting, so it takes the same blades as this one.

What are the different types of scalpel handles?

By fitting there are two, the number 3 and the number 4. By shape there are several in the number 3 fitting. The standard flat handle is this page. A round handle rolls between the fingers, the Barron octagonal handle indexes for fingertip rotation, and the number 7 carries the same blades on a long slim neck for deep narrow fields. We make four of those and we do not currently make a number 4.

How to attach a scalpel blade to a scalpel handle?

Hold the blade in forceps or a blade mounter, never in your fingers. Line the slot in the blade up with the ridge on the handle, slide it on until it clicks home, and check it by trying to rock it sideways. To take it off, lift the back of the blade clear of the ridge with forceps and slide it off the same way it went on. If a blade needs force, it is the wrong series for the fitting.

What is the name of the handle on a scalpel?

It is just called a scalpel handle, or a blade handle, or a knife handle, and in a catalogue it will usually carry its fitting number, as in “scalpel handle number 3”. Some lists call it a scalpel holder. All of those mean the reusable part that the disposable blade mounts onto.

Related products and categories

The same fitting comes in three other shapes: the round number 3 handle rolls between the fingers, the Barron octagonal handle is eight sided for fingertip control, and the number 7 handle puts the same blades on a long slim neck for deep work. Everything here is listed in scalpel handles and skin grafting tools, and the facial and jaw range sits under maxillofacial instruments.