From the description, the instrument you are looking for should be a bipolar coagulation forceps.
It is used to stop bleeding by coagulation of smaller vessels, bigger one will still have to be closed by e.g. a ligature.
It's part of the instruments used in the Electrosurgery, which uses high-frequency alternating polarity, typically in ...
The most important instrument is laparoscope/endoscope which is
a fiberoptic instrument inserted through an incision in the abdominal wall and used to examine visually the interior of the peritoneal cavity. (link)
Laparoscope is the instrument with video camera.
There are also:
veres needle needed for draining fluids
insufflator for ...
I think you are looking for irrigation syringes - I'm familiar only with the curved variety but at least on a google images search I see straight ones as well.
That said, I've always used luer-style syringes with an appropriate fitting when using syringes in an equipment context. Major catalog parts suppliers have plastic and metal fittings with just about ...
There are a variety of syringes listed as "disposable catheter " that typically have a tapered straight tip. A common size is 60 ml . The tip is "universal" friction fit. I use them for G-tube feeding , they are standard for that application despite the name. I typically use them about 20 times. Then use them for purposes similar to in the question . In ...
The use of ear buds in it of itself is probably not harmful.
The physical shape and the effort used to place the ear buds can be potential areas of abuse.
However, what has the most real-world potential of being harmful to your ear is most likely what comes out of those ear buds.
E.g. ear buds are being used to listen to very loud music/sounds.