Trocar instrument and auxiliary device therefor
AssigneesChungnam National University Hospital, The Industry & Academic Cooperation in Chungnam National University (IAC)
InventorsJoo-Hak KIM, Sang-Ha OH
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Abstract
An auxiliary device for use in a trocar instrument, including a trocar needle having a fastening groove formed on an outer circumferential surface thereof. The auxiliary device includes: a body into which at least a portion of the trocar needle is inserted; and a hook connected to the body and configured to be inserted into the fastening groove of the trocar needle. The hook includes a fixing portion fixed to the body and a coupling portion extending from one end of the fixing portion and configured to be inserted into the fastening groove when the trocar needle is disposed inside the body. A gap is formed between the fixing portion and the coupling portion.
Claims21
1-13. (canceled)
An auxiliary device for a use in a trocar instrument including a trocar needle having a fastening groove formed on an outer circumferential surface thereof, comprising:
- a body into which at least a portion of the trocar needle is inserted;
- and
- a hook connected to the body and configured to be inserted into the fastening groove of the trocar needle,
- wherein the hook includes a fixing portion fixed to the body and a coupling portion extending from one end of the fixing portion and configured to be inserted into the fastening groove when the trocar needle is disposed inside the body, and
- wherein a gap is formed between the fixing portion and the coupling portion.
A trocar instrument, comprising:
- a trocar needle having a fastening groove formed on an outer circumferential surface thereof;
- an auxiliary device configured to be removably coupled to the trocar needle, wherein the auxiliary device includes;
- a body into which at least a portion of the trocar needle is inserted;
- and a hook connected to the body and configured to be inserted into the fastening groove of the trocar needle,
- wherein the hook includes a fixing portion fixed to the body and a coupling portion extending from one end of the fixing portion and configured to be inserted into the fastening groove when the trocar needle is disposed inside the body, and
- wherein a gap is formed between the fixing portion and the coupling portion.
Dependencies are inferred from the claim text.