Authorities are hunting for three thieves who stole $450,000 worth of colonoscopes from a Philadelphia hospital over the weekend.

The robbery took place on Saturday at 7.30am at Lankenau Medical Center in Wynnewood where one robber made sure the coast was clear as they walked through the hospital halls to steal the medical equipment.

Together the trio - two men and a woman - stole several Olympus colonscopes worth approximately $450,000.

It's too early to tell if the incident was an inside job, authorities say.

Three thieves - two men and a woman - are wanted for stealing $450,000 worth of colonoscopes from a Philadelphia hospital on Saturday at 7.30am

Together the trio stole several Olympus colonscopes worth approximately $450,000 from Lankenau Medical Center. One of the suspects pictured above

They stole several Olympus colonscopes, which are tube-like instruments used to examine the colon during colonscopies. The female in the back was seen looking around to make sure the coast was clear

The tube-like instruments are used to examine colons during a colonoscopy procedure.

'This is the first time we have encountered this type of theft, so we don't have all the answers,' Lower Merion Police Detective Sergeant Michael Vice said to NBC.

Lower Merion Police described the suspects as a white male in his early 20s possibly wearing a wig with curly hair and glasses, a white male in his late 40s wearing a fedora hat and a dark colored jacket, and a white female in her late 20s wearing a pink winter ski cap and a black jacket.

The suspects include a white male in his early 20s who could have been wearing a curly hair wig, a white female in her late 20s (together left) and a white male in his late 40s (right)

The robbers used a dark colored Jeep Wrangler with four doors and a hard top

They used a dark colored Jeep Wrangler with four doors and a hard top in the robbery.

In the video the men and women are seen entering the hospital with black backpacks.

Once inside, they pried open two doors to gain access to a secure area and remove the colonoscopes.

'This is not something that a typical pawn shop might accept. My feeling would be that it was some type of black market sales,' Vice said.

Anyone who can identify the suspects is asked to contact Detective John Mick at (610) 645-6229.

The group stole several Olympus colonoscopes worth approximately $450,000. Such equipment is used to conduct colonoscopy procedures. A file image of a colonoscope pictured left and the Olympus colonoscope pictured right