Disposable hand operated cartridge body piercing instrument method
View Patent ↗Methods for apparatuses and systems for ornamental piercing of body parts are disclosed comprising a main housing having a thumb grip section along a rear surface, a post holder including separate portions held together slidably engaged within a post holder track within the main housing such that the separate portions support a post while held together within the post holder track and fall away to release the post after exiting the post holder track, and a jaw slidably engaged with the main housing with a jaw track. The jaw track is parallel to the post holder track and the jaw supports a backing platform for piercing with the post as the jaw and main housing are moved together along the jaw track. The jaw includes a finger grip section disposed below and opposite the backing platform and opposite the thumb grip section of the main housing.
1. A method of piercing a body part, comprising the steps of:
disposing a body part against a backing platform of a jaw, the jaw slidably engaged with a main housing with a jaw track and the body part between the jaw and a post supported in a post holder and slidably engaged with a post holder track within the main housing parallel to the jaw track;
disposing one or more fingers of a user's hand across a finger grip section disposed below and opposite the backing platform of the jaw and having a stiffener behind the finger grip section aligned parallel with the jaw track;
disposing a thumb of the user's hand across a thumb grip section along a rear surface of the main body; and
applying pressure between the thumb and one or more fingers to move the jaw and the main body together along the jaw track such that the post pierces the body part against the backing platform of the jaw.
2. The method of claim 1 , wherein the stiffener forms an additional track between the main housing and the jaw.
3. The method of claim 1 , further comprising disposing a spring between the main housing and the jaw to oppose to moving the jaw and main housing together.
4. The method of claim 3 , wherein the jaw includes a catch for holding the jaw engaged in the jaw track of the main housing against the spring forcing the jaw and the main housing apart.
5. The method of claim 3 , wherein the jaw includes a push catch for sliding past the post holder as the jaw and main housing are moved together during piercing to engage a back end of the post holder and push the post holder out of the post holder track as the spring forces the jaw and main housing apart after piercing.
6. The method of claim 1 , wherein the backing platform comprises a surface for supporting a user body part in an area around a back side of a piercing location and a hole therethough aligned with the post.
7. The method of claim 6 , wherein the hole therethough is vertically elongated to accommodate some vertical movement by the post during piercing.
8. The method of claim 1 , wherein the post comprises a conical barb for clutchless piercing.
9. The method of claim 1 , wherein the backing platform houses a clutch disposed in a vertical slot to engage the post during piercing and then slide out of the vertical slot.
10. The method of claim 1 , wherein the finger grip section and the thumb grip section each comprise a series of bumps or ridges for improving grip.
11. The method of claim 1 , wherein the jaw includes the stiffener disposed behind forger grip section.
12. The method of claim 11 , wherein the stiffener comprises a longitudinal stiffener extending from the finger grip section parallel to the jaw track into the main housing.
13. The method of claim 11 , wherein the stiffener stabilizes movement of the jaw and main body during piercing.
14. The method of claim 1 , wherein the post holder includes separate portions held together to support the post while slidably engaged with the post holder track within the main housing such that the separate portions fall away to release the post after exiting the post holder track.