What the Backhaus towel clamp is
A backhaus towel clamp is a ratcheted, scissor shaped clamp with two curved points that hold sterile drapes and towels to the edge of the operating field. It is listed just as often as a towel clip, and catalogues also carry it as a perforating towel clamp and as a surgical drape clamp. The points face inward and cross each other as the handles close.
That crossing is the whole instrument. Because the two points pass through the drape and lock against one another, the hold does not rely on gripping the cloth between two flat faces. A friction clip slides when the drape is pulled; this one does not.
Key design features of the Backhaus towel clamp
Five things make this pattern what it is, and the first two are the reason it is still in every set.
- Curved perforating points. Sharp, inward facing, and shaped to pass through the material rather than pinch it.
- Interlocking tips. The two points cross at the end of the stroke, so the hold is mechanical and not frictional.
- Multi position ratchet. The hold can be set light or firm and left there, then released one handed.
- Finger ring handles. Worked like scissors, placed and removed without looking away from the field.
- Box joint. The halves pass through each other, which keeps the two points meeting exactly after years of use.
Backhaus towel clamp sizes and build options
The size chart is the variation list, so what is shown is what ships. Choose the length on the Select Size field.
| Length | Imperial | Point | Item code |
|---|---|---|---|
| 9 cm | 3-1/2 in | Curved, sharp, perforating | AE-156.08 |
| 11.5 cm | 4-1/2 in | Curved, sharp, perforating | Select Size field |
| 13 cm | 5-1/4 in | Curved, sharp, perforating | Select Size field |
| 15 cm | 6 in | Curved, sharp, perforating | Select Size field |
Imperial figures are given because most United States buyers order in inches. The 9 cm and 11.5 cm clamps suit head, hand and foot draping where a long handle gets in the way; 13 cm and 15 cm suit body drapes and heavier material.
Backhaus towel clamp uses by specialty
The first five rows are draping. The sixth is the job nobody writes down and everybody does.
| Specialty | What it is used for |
|---|---|
| General surgery | Anchoring the four corners of the drape so the sterile field keeps its shape |
| Plastic and reconstructive surgery | Holding drapes around a face or a limb where the surface is not flat |
| Orthopedic surgery | Heavier drapes and stockinette, where a friction clip lets go |
| ENT and rhinoplasty | Small clamps on head drapes, where a long handle would be in the way |
| Veterinary surgery | Draping, and holding small bone fragments during reduction |
| Every specialty, off label | Bundling suction tubing, cautery cords and camera lines clear of the field |
What the points take
This is a fixation instrument and not a tissue instrument, so there is no suture gauge and no tissue list to quote. What matters is what the points go through, and the honest list ends with the row most catalogues leave out.
| What the points take | How the clamp takes it |
|---|---|
| Woven surgical drapes | The points pass through the weave and cross, so the hold does not depend on friction |
| Disposable non woven drapes | Same, and the small puncture closes around the point rather than tearing |
| Surgical towels | The classic use, and the one the pattern is named for |
| Suction tubing and cautery cords | Gathered and clipped to the drape so they stop migrating during the case |
| Camera and light cables | Same, and the ratchet means one clamp holds several lines |
| Skin | It CAN pierce skin and sometimes does. That is why it is counted as a sharp at the end of the case |
How the Backhaus towel clamp compares with other patterns
The only comparison that changes a purchase is perforating against non perforating, so that row comes first.
| Pattern | How it differs | When you reach for it instead |
|---|---|---|
| Non perforating towel clamp | Blunt tips that grip by pressure, so nothing is pierced | Over a patient area where a puncture is unwanted, or on disposable drapes you plan to reuse |
| Jones cross action towel clamp | Closes under spring pressure with no ratchet, lighter and quicker to place | Quick, temporary holds where a ratchet is more than you need |
| Foerster sponge forceps | Open oval jaw, made for gauze and swabs | Swabbing and skin prep, never draping |
| Kocher delicate artery forceps | Serrated jaw with a tooth, a clamp for tissue and vessels | Tissue and bleeding, not cloth |
| Mayo towel clamp | Catalogues do not agree on this one. Some list Mayo and Backhaus as the same perforating clamp under two names, and others give Mayo a heavier point | Ask us which pattern you need rather than ordering on the surname alone |
Backhaus towel clamp materials and finish
The clamp is made from high quality medical grade stainless steel, hardened at the points so they stay sharp enough to pass through a drape rather than drag it. A point that has gone blunt tears the material instead of piercing it, and that is the first sign a clamp needs replacing. The finish is satin rather than mirror, which cuts glare under operating lights. The steel itself is made to a German specification. The finished instrument carries the CE mark.
There is no coating and no insert on this pattern. The hold comes from the geometry of the two crossing points and from the hardness of the steel behind them.
Backhaus towel clamp care and sterilization
Treat it as a sharp at the end of the case and count it as one. Rinse under cold running water straight away, and check the points under a light for burrs, because a burred point snags the drape it is meant to pass through. Open the jaws fully for ultrasonic cleaning and for autoclaving so the box joint drains and steam reaches the ratchet. Dry completely, then store with the ratchet released.
Ordering Backhaus towel clamps and wholesale
Adas Instruments supplies hospitals, clinics and distributors across the United States, from stock and to order. Towel clamps are usually ordered in fours or in sixes, because that is how a drape is anchored, and wholesale quantities are quoted on request. Backorder items dispatch in 10 to 12 working days. Item code AE-156.08, and 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 Backhaus towel clamp used for?
Holding sterile drapes and towels to the edge of the operating field so the field keeps its shape through the case. The two sharp points pass through the material and cross, which is why the hold does not slip when the drape is pulled. The same clamp is routinely used to gather suction tubing and cautery cords out of the way.
What is a towel clamp used for?
The same job, described more loosely. Towel clamp is the family name for any ratcheted or sprung clamp used to fix draping, and the Backhaus is the perforating pattern within it. In the United States the same instrument is usually called a towel clip.
What are the different types of towel clamps?
Two, and the difference is the tip. Perforating clamps such as the Backhaus have sharp points that pass through the drape. Non perforating clamps have blunt tips that grip by pressure and leave no hole. Within the perforating group the choice is length and whether the clamp ratchets or works on a cross action spring.
What are Backhaus towel clamps used for in veterinary surgery?
Draping, exactly as in human surgery, and one job more. Veterinary teams also use them as a reduction tool, taking hold of a small bone fragment or a length of tissue during a procedure. The ratchet is what makes that possible, because the hold stays set without a hand on the instrument.
What size Backhaus towel clamp should I order?
Match the length to the drape. The 9 cm and 11.5 cm clamps are for head, hand and foot work where a long handle is in the way. The 13 cm and 15 cm clamps are for body drapes and heavier material. Most sets carry four of one length rather than one of each.
Related products and categories
Buyers who order the backhaus towel clamp usually order alongside it the foerster sponge forceps, the brand tendon grasping forceps and the kocher delicate artery forceps. The whole family sits in hemostats and grasping forceps, and this pattern is also listed under facelift and neck lift instruments.




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