Holder for syringes and other medical instruments

An instrument holder including:

• a. a base block having:
• (1) an upper base block surface having at least two elongated prongs extending therefrom, the prongs having at least approximately parallel lengthwise axes,
• (2) an opposing lower base block surface having mounting means thereon or therein for removably and inviolably mounting the lower surface to a placement surface,
• b. a receiving block:
• (1) formed of material which is resiliently expandable,
• (2) having:
• (a) a first receiving block surface including at least two prong apertures formed therein, each prong aperture being situated to receive a respective one of the prongs when the first receiving block surface is urged onto the prongs, and
• (b) a second receiving block surface including an instrument aperture formed therein,
• wherein each prong has a length of at least one-third of a height of the receiving block, whereby the prongs extend at least one-third of the way through the receiving block when the receiving block is urged onto the prongs.

An instrument holder including:

• a. a base block:
• (1) including an upper base block surface and an opposing lower base block surface,
• (2) wherein the upper base block surface has at least two elongated prongs extending therefrom,
• b. a mounting block:
• (1) including an upper mounting block surface and an opposing lower mounting block surface,
• (2) wherein the upper mounting block surface and lower base block surface are magnetically attracted together,
• c. a receiving block formed of material which is:
• (1) resiliently expandable, and
• (2) configured to be readily penetrated by the prongs when the receiving block is urged onto the prongs, the receiving block thereby being removably affixed to the base block.