CN2928003Y - Retractor for general surgery - Google Patents

Abstract

Disclosed is a surgical use drag hook in medical appliance technical sphere, the surgical use drag hook structure can not completely expose the operation sight, the well proceed of the operation is unfavorable, the technical scheme includes of the utility model is that, shifting chute (10) and alignment pin (9) are equipped on drag hook frame (1) which is dead jointed with nut handle lever (3), the alignment pin (9) is covered by drag hook (11), the drag hook (11) is fixed by pressed thread anti-slip nut (13) which is twisted in the flush type jack bolt (12), the ends of adjustable extension bar (2) are separately twisted on nut handle lever (3) and nut drag hook lever (4), gimbals (5) which is on the fixation hook (6) is articulated with the nut drag hook lever (4), retaining spring (7) is provided in the fixation hook (6) which equips a movable latch hook (8), the utility model has the advantages that the device provides drag hook number flexibility based on the operation section and the operation sight can be completely exposure, the operation is simplicity and safety, the labor and the time can be saved.

Description

A kind of department of general surgery drag hook

Technical field: this utility model relates to the medical device technical field, is a kind of department of general surgery drag hook more specifically.

Background technology: the single exposure operating field of the drag hook structure that department of general surgery uses is insufficient, will draw with the hand-held a plurality of drag hooks of many people and carries out in order to enlarge operating field sometimes, and what the medical worker firmly was easy to that fatigue is unfavorable for performing the operation for a long time on drag hook carries out smoothly.

Summary of the invention: for overcoming above-mentioned shortcoming, the purpose of this utility model is a kind of department of general surgery of design drag hook.Its technical scheme is: draw framework 1 to be provided with shifting chute 10 and alignment pin 9, draw framework 1 to fixedly connected with nut handlebar 3, drag hook 11 is enclosed within on the alignment pin 9, embedded type bolt 12 passes shifting chute 10, the anti-skidding nut 13 of rolled thread is screwed in and fixes drag hook 11 on the embedded type bolt 12, adjustable extension bar 2 two ends are screwed in respectively on nut handlebar 3 and the nut drag hook bar 4 by screw thread, universal joint 5 on the fixed hook 6 is hinged with nut drag hook bar 4, be provided with return spring 7 in the fixed hook 6, mobile latch hook 8 one ends that have lever 14 in fixed hook 6 contact with return spring 7, and its other end inserts in the fixed hook 6.The advantage of this utility model is: the reasonable in design practicality, novelty is skillfully constructed, this department of general surgery integrates multi-functional with drag hook, can drag hook quantity be set according to the surgical openings flexible in size and fully expose operating field, the short available nut handlebar of operating time gets final product with pulling drag hook, operating time length can add adjustable extension bar and be suspended to a fixed position by fixed hook and pin fixed hook by mobile latch hook and make drag hook live the position surely to remain operating field and fully open, it has been saved manpower and has reduced labor intensity, and this instrumentation is simple and convenient time saving and energy saving safe and reliable.

Description of drawings: Fig. 1 front view, the view of Fig. 2 for making progress at Figure 1A.In the accompanying drawing: 1, draw framework, 2, adjustable extension bar, 3, the nut handlebar, 4, nut drag hook bar, 5, universal joint, 6, fixed hook, 7, return spring, 8, mobile latch hook, 9, alignment pin, 10, shifting chute, 11, drag hook, 12, embedded type bolt, 13, the anti-skidding nut of rolled thread, 14, lever.

The specific embodiment: draw framework 1 to be provided with shifting chute 10 and alignment pin 9, draw framework 1 to fixedly connected with nut handlebar 3, drag hook 11 is enclosed within on the alignment pin 9, embedded type bolt 12 passes shifting chute 10, the anti-skidding nut 13 of rolled thread is screwed in and fixes drag hook 11 on the embedded type bolt 12, adjustable extension bar 2 two ends are screwed in respectively on nut handlebar 3 and the nut drag hook bar 4 by screw thread, universal joint 5 on the fixed hook 6 is hinged with nut drag hook bar 4, be provided with return spring 7 in the fixed hook 6, mobile latch hook 8 one ends that have lever 14 in fixed hook 6 contact with return spring 7, and its other end inserts in the fixed hook 6.According to the surgical openings flexible in size drag hook quantity is set, hangs over each drag hook 11 on the alignment pin 9 and be screwed in and fix drag hook 11 on the embedded type bolt 12, hold surgical openings with drag hook 11 and fully expose operating field by the anti-skidding nut 13 of rolled thread; When operating time in short-term, available nut handlebar 3 usefulness pull drag hook 11 and get final product; When the operating time long time, can screw on adjustable extension bar 2 also by fixed hook 6, palm lever 14 is opened mobile latch hook 8, fixed hook 6 is suspended to a fixed position, the unclamp operation handle 14 then, make mobile latch hook 8 returns pinning fixed hook 6 make drag hook 11 fixed firmly positions remain operating field under return spring 7 effects and fully open; The design of universal joint 5 can adapt to fixed hook 6 and be suspended on the fixed position that can hang arbitrarily.

Claims (1)

1, a kind of department of general surgery drag hook, it is characterized in that: draw framework (1) to be provided with shifting chute (10) and alignment pin (9), draw framework (1) to fixedly connected with nut handlebar (3), drag hook (11) is enclosed within on the alignment pin (9), embedded type bolt (12) passes shifting chute (10), the anti-skidding nut of rolled thread (13) is screwed in and fixes drag hook (11) on the embedded type bolt (12), adjustable extension bar (2) two ends are screwed in respectively on nut handlebar (3) and the nut drag hook bar (4) by screw thread, universal joint (5) on the fixed hook (6) is hinged with nut drag hook bar (4), be provided with return spring (7) in the fixed hook (6), the mobile latch hook that has lever (14) (8) one ends in fixed hook (6) contact with return spring (7), and its other end inserts in the fixed hook (6).

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