| 摘要 |
A new self-service surgical retractor with the characteristics comprising: main post (1), lock sleeve (7), lock operating lever (11), take-up device lock sleeve (15), take-up device (17) and hook plate (22). The lock sleeve (7) is covered on the lower part of the main post (1) to form a dovetail groove; the lock operating lever (11) is spun on the main post (1) through the thread; the take-up device lock sleeve (15) is spun on the upper part of the main post (1) and locks and fixes the inserted link (18) of the take-up device (17) on the upper end of the main post (1); the take-up device (17) is connected with the hook plate (22) through the retraction tape or rope (21). With simple structure and low cost, the present invention is easy to manufacture and use. |
| 主权项 |
1. A self-service surgical retractor comprising:
Maina main post (1)having an upper end and a lower end, wherein the lower end of the main post (1) is equipped with a first half of a dovetail groove (2) matched with thea surgical bedside and the upper end of the main post is equipped with an external thread (3) and a jack (4); The upper end ofand wherein the said external thread (3) is of conical structure (5) and has an opening (6) along the axial direction; Locka lock sleeve (7)having an upper end and a lower end, wherein: the lock sleeve (7) is set on the said main post (1); Thethe lower end of the lock sleeve (7) is equipped with the othera second half of the dovetail groove (8) that can move up and down and the said, wherein the othersecond half of the dovetail groove (8) that can move up and down, together with the first half of the dovetail groove, constitutes a complete dovetail groove connected with the surgical bedside with the half of dovetail groove (2); wherein, on thean inner wall of the lock sleeve (7) an axial guide groove (9) is equipped, which is matched with thean anti-rotation convex (10) on the lower end of the main post (1), so that the lock sleeve (7) can only move up and down along the main post (1); Locka lock operating lever (11)having an upper end and a lower end, wherein the upper end of the lock operating lever (11) is equipped with thean internal thread (12) matched with the external thread (3) on the upper end of the main post (1) and the lower end of the lock operating lever (11) is equipped with a circular groove (13), which is matched with thea circular convex (14) on the upper end of the lock sleeve (7), so that the lock operating lever (11) is connected with the lock sleeve (7) and can drive the lock sleeve (7) to move up and down along the main post (1) with the lock operating lever (11); Take-upa take-up device lock sleeve (15)having an upper end and a lower end, wherein the upper end of the take-up device lock sleeve (15) is equipped with the internal thread (16) matched with the external thread (3) on the upper end of the main post (1) and the lower end of the take-up device lock sleeve (15) is covered on the upper end of the lock operating lever (11); a hook plate, wherein the hook plate is connected with traction tape or rope and is equipped with a hook head used to hook human tissue or an abdominal wall; and Take-upa take-up device (17)having an upper end and a lower end, wherein the lower end of the take-up device (17) is equipped with an inserted link (18) that is inserted in the jack (4) on the upper end of the main post (1) and the height of the take-up device (17) can be adjusted by adjusting the position of the inserted link (18) in the jack (4); the upper end of the take-up device (17) is equipped with a take-up box (19), in which a take-up spool (20) is installed; Bothboth ends of the take-up spool (20) stretch out of the take-up box (19), one of which acts as a take-down press end and the other acts as a take-up driving end; one end of the traction tape or rope (21) is fixed on the take-up spool (20) and the other end is connected with the hook plate (22) through thean opening on the take-up box (19); on the said take-up box (19) thea toothed sleeve (23) is fixed, the end face of the toothed sleeve is set with a one-way gear; the said take-up spool (20) is also equipped witha the one-way gear column (24), which is set with the one-way gear on the end face matched with the toothed sleeve (23) and can only rotate in one-way after engaged with the toothed sleeve (23); one end of the one-way gear column (24) abuts on one end of thea spring (25) which always pushes the one-way gear column (24) to the toothed sleeve (23) and the other end of the spring abuts on the inner wall of the take-up box (19); the said spring (25) is cased on the take-up spool (20); the said take-up spool (20) is installed in the toothed sleeve (23); Hook plate (22), the hook plate (22) is connected with the traction tape or rope (21) and is equipped with a hook head (26) used to hook the human tissue or abdominal wall. |
