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Liposuction Cannulas and Accessories › Syringe SnapLock Stop Lock 20cc
The Syringe SnapLock Stop Lock 20cc, also called a stop lock or plunger lock, snaps onto a 20cc syringe plunger and holds it at the drawn-back position so negative pressure is maintained without the surgeon holding it. Mid-size harvesting for facial, neck and small body areas, and the usual size for fat grafting preparation. It is part of the Healermed liposuction cannulas and accessories range.
At a Glance
The 20cc lock fits the syringe size most fat grafting work is actually done in.
Twenty millilitres is enough to harvest a facial area or a small body site without changing the syringe every few passes, and small enough to handle comfortably and to process without decanting into something larger. For most surgeons it is the default harvesting syringe, which makes this the lock that gets used most.
The load is also where a lock earns its place. At 10cc the plunger is easy enough to hold by hand for a short draw; by 20cc the force is real and sustained across a longer harvest, and that is exactly the point at which a hand starts to creep forward without the surgeon noticing.
In syringe-assisted liposuction the vacuum comes from the plunger. The surgeon draws it back, and the negative pressure that holds while the cannula works is only there for as long as the plunger is held.
That is the problem the stop lock solves. Holding a plunger back against suction for a full pass takes a hand, and it takes force that grows as the barrel fills. The surgeon is doing two things at once: driving the cannula through tissue with one hand and maintaining vacuum with the other, for as long as the harvest takes.
A SnapLock snaps onto the plunger shaft behind the barrel flange and holds it at the drawn-back position. The vacuum becomes mechanical rather than muscular. The surgeon sets it once, and both hands are free to work the cannula for the rest of the syringe.
There is a second gain that matters more than comfort. A hand-held plunger creeps. As the hand tires the vacuum falls off gradually and the surgeon does not necessarily notice, so the last part of a syringe is harvested at lower suction than the first. A mechanical stop holds the same position throughout, so every pass into that syringe is taken at the same negative pressure.
| Material | German stainless steel |
| Syringe size | 20cc |
| Also known as | Stop lock, plunger lock, syringe vacuum lock |
| Function | Maintains negative pressure without hand pressure on the plunger |
| Reusable | Yes — steam autoclavable to 134°C |
| Other sizes | Also made in the other harvesting syringe sizes |
| Compliance | FDA CGMP, ISO 13485, ISO 9001, CE Mark |
The lock is made from German stainless steel and is fully reusable, steam autoclavable to 134°C. Clean immediately after use and dry fully before autoclaving. Check the gripping faces at every cycle: this instrument does one job, and a lock that has spread or worn will creep under load, letting the plunger move forward and the vacuum drop without any outward sign. Replace rather than continue with a lock that no longer holds its position firmly.
Distributor, importer, or hospital group? Get bulk pricing, OEM manufacturing, and custom branding on the full range.
Manufactured by Healermed Instruments, a surgical instruments manufacturer and exporter based in Sialkot, Pakistan. Factory-direct pricing removes the importer and distributor layer. Production runs under an ISO 13485 and FDA CGMP quality system, with ISO 9001 and CE Mark certification. OEM manufacturing and custom branding are available for distributor and brand-owner orders.
| Syringe SnapLock Stop Lock 10cc Facial and small-volume harvesting, where a few millilitres are taken from each pass and the syringe is changed often. |
| Syringe SnapLock Stop Lock 60cc Body harvesting with Toomey-tip syringes, where large volumes are collected before processing. |
| Decanting Stand 60cc to Luer Holds harvest syringes upright for gravity separation before grafting. |
| Luer Lock to Luer Lock Fat Transfer 2mm Low-shear connector for combining harvest syringes and loading injection syringes. |
What is a syringe SnapLock used for?
It holds a syringe plunger at the drawn-back position during syringe-assisted liposuction, so negative pressure is maintained mechanically instead of by hand. The surgeon sets it once and both hands are free to work the cannula for the rest of the syringe.
Is a SnapLock the same as a stop lock?
Yes. The same item is called a SnapLock, a stop lock, a plunger lock or a syringe vacuum lock depending on the supplier and the region. All refer to the device that holds a syringe plunger back to maintain suction during harvesting.
Why is 20cc the most common size?
It holds enough to harvest a facial area or small body site without changing the syringe every few passes, while staying easy to handle and to process. For most surgeons it is the default harvesting syringe, so the 20cc lock is the one that sees the most use.
Does it hold vacuum better than a hand?
It holds it more consistently. A hand-held plunger creeps as the hand tires, so the last part of a syringe is harvested at lower suction than the first, usually without the surgeon noticing. A mechanical stop holds the same position throughout the syringe.
Is it autoclavable?
Yes. It is German stainless steel and steam autoclavable to 134°C. Check the gripping faces at each cycle, since a worn lock creeps under load and lets vacuum drop with no outward sign.
What is the minimum order quantity for bulk orders?
The minimum order quantity is agreed per order rather than set at a fixed number. Send us the sizes and quantities you need through the wholesale request page and we will confirm the minimum for that specification.