阅读说明：本技术 一种线缆收紧器 (Cable tightener ) 是由 史春宝 解凤宝 吕昌禹 胡恩玉 于 2020-06-28 设计创作，主要内容包括：本申请涉及一种线缆收紧器,涉及医疗器械的领域,包括主体、用于牵引线缆的引导部、转动杆和收紧线缆的滑动件,主体上开设有活动腔,主体的一端与引导部相连接,转动杆的一端伸入主体并延伸至活动腔内,滑动件位于活动腔内,其底部套装在位于活动腔内的转动杆上,滑动件在活动腔内与转动杆活动连接,滑动件的顶部向上延伸出活动腔。本申请结构简单、精巧,操作简便,使操作过程更加直观、收紧效果显著,提高了手术操作的效率,缩短了手术操作的时间,降低了手术的风险。(The utility model relates to a cable tightener relates to medical instrument's field, including the main part, be used for pulling guide portion, dwang of cable and the slider that tightens up the cable, seted up movable chamber in the main part, the one end of main part is connected with guide portion, and the one end of dwang stretches into the main part and extends to movable intracavity, and the slider is located movable intracavity, and its bottom suit is on the dwang that is located movable intracavity, and the slider upwards extends movable chamber at movable intracavity and dwang swing joint, the top of slider. The operation device is simple and exquisite in structure, simple and convenient to operate, more visual in operation process, remarkable in tightening effect, capable of improving the efficiency of operation, shortening the time of operation and reducing the risk of operation.)

1. A cable retractor, comprising: including main part (1), guide portion (2), dwang (3) that are used for pulling the cable and slider (4) that tighten up the cable, main part (1) on seted up movable chamber (11), the one end of main part (1) is connected with guide portion (2), the one end of dwang (3) stretch into main part (1) and extend to activity chamber (11) in, slider (4) be located activity chamber (11), its bottom suit is on dwang (3) that are located activity chamber (11), slider (4) in activity chamber (11) with dwang (2) swing joint, the top of slider (4) upwards extends activity chamber (11).

2. A cable retractor according to claim 1, wherein: the bottom of the sliding piece (4) is provided with a transverse connecting hole (41), the sliding piece (4) is sleeved on the rotating rod (3) through the connecting hole (41), a transverse first through hole (42) for a cable to pass through is formed in the side edge of the sliding piece (4), a longitudinal insertion groove (43) is formed in the upper end face of the sliding piece (4), and the through hole (42) is communicated with the insertion groove (43).

3. A cable retractor according to claim 2, wherein: the top of the sliding part (4) is provided with a locking part (5), and the locking part (5) is inserted into the insertion groove (43) to be connected with the sliding part (4).

4. A cable retractor according to claim 3, wherein: the guide part (2) and the main body (1) are of an integral structure, a second through hole (21) which is used for a cable to pass through and is in the same axis with the first through hole (42) is formed in the guide part (2), and the second through hole (21) is communicated with the movable cavity (11).

5. A cable retractor according to claim 3, wherein: the guiding part (2) and the main body (1) are of a split structure, a second through hole (21) which is used for a cable to pass through and is in the same axis with the first through hole (42) is formed in the guiding part (2), a third through hole (12) communicated with the movable cavity (11) is formed in the main body (1), and the third through hole (12) is communicated with the second through hole (21).

6. A cable retractor according to claim 3, wherein: the lateral wall in activity chamber (11) on be equipped with hollow limiting plate (13), limiting plate (13) divide activity chamber (11) into epicoele (111) and lower chamber (112), dwang (2) be located lower chamber (112).

7. A cable retractor according to claim 6, wherein: slider (4) on the cover be equipped with bridging plate (44) that limiting plate (13) cooperation was used, first through-hole (42) be located bridging plate (44) top, connecting hole (41) be located the below of bridging plate (44).

8. A cable retractor according to claim 7, wherein: the other end of the rotating rod (3) is provided with a handle (6).

9. A cable retractor according to claim 8, wherein: the lateral wall of handle (5) is kept away from in activity chamber (11) on open and to have jack (112), dwang (3) stretch into activity chamber (11) in the end extend to jack (113).

10. A cable retractor according to claim 9, wherein: dwang (3) on seted up recess (31) along the circumferencial direction, main part (1) on open and to have two arc walls, arc wall and recess (31) set up relatively and cooperate the use, cable tightener still includes two fixed pins (7), fixed pin (7) insert the cavity between arc wall and recess (31) and make dwang (2) and main part (1) relative rotation.

Technical Field

The application relates to the field of medical equipment, in particular to a cable tightener.

Background

When an orthopedic surgery is performed, a cable is often used for bundling and fixing a bone fracture and a bone fracture part. At this time, a cable tightener is used to tighten the cable penetrating into the jacket or the lock catch, so as to avoid dislocation and influence recovery.

The cable tightener in the use at present is complicated in structure, large in size, more inconvenient to operate, unobvious in tightening effect, incapable of visually checking the operation condition, prolonged in operation time and undoubtedly increased in operation risk for patients.

Disclosure of Invention

In order to solve the problem that the volume is great, the operation is inconvenient, the tightening effect is not obvious that exists among the cable tightener, the application provides a structure more exquisite, convenient operation, audio-visual cable tightener.

The application provides a cable tightener adopts following technical scheme:

the utility model provides a cable tightener, includes the main part, is used for pulling guide portion, dwang of cable and the slider that tightens up the cable, the main part on seted up movable chamber, the one end of main part is connected with guide portion, the one end of dwang stretch into the main part and extend to movable intracavity, the slider be located movable intracavity, its bottom suit is on the dwang that is located movable intracavity, the slider at movable intracavity and dwang swing joint, the top of slider upwards extends movable chamber.

Through adopting above-mentioned technical scheme, the cable passes guide portion and slider, and the control dwang is at the main part internal rotation, and slider round trip movement on the dwang in activity chamber makes the cable tighten up, simple structure, the operation of being convenient for.

Preferably, the bottom of the sliding part is provided with a transverse connecting hole, the sliding part is sleeved on the rotating rod through the connecting hole, the side edge of the sliding part is provided with a transverse first through hole for a cable to pass through, the upper end face of the sliding part is provided with a longitudinal insertion groove, and the through hole is communicated with the insertion groove.

Through adopting above-mentioned technical scheme, the dwang passes connecting hole and slider swing joint, and the cable passes first through-hole, and the removal of slider on the dwang can drive the cable and remove.

Preferably, the top of the sliding part is provided with a locking part, and the locking part is inserted into the insertion groove to be connected with the sliding part.

Through adopting above-mentioned technical scheme, the retaining member passes through inserting groove and slider fixed connection, and after the cable passed first through-hole, it revolves to the inserting groove precession to twist the retaining member, makes the bottom extrusion fixed cable of retaining member, makes the cable can not take place the skew in the operation process again, can not influence the operation.

Preferably, the guide part and the main body are of an integral structure, a second through hole which is transversely provided for the cable to pass through and is positioned on the same axis with the first through hole is formed in the guide part, and the second through hole is communicated with the movable cavity.

Through adopting above-mentioned technical scheme, the lead portion that passes of cable passes the second through-hole through the cable, and the cable passes the second through-hole earlier, passes first through-hole again, makes the cable along with the slider removes in the activity intracavity.

Preferably, the guide part and the main body are of a split structure, the guide part is provided with a second through hole which is used for a cable to pass through and is in the same axis with the first through hole, the main body is provided with a third through hole communicated with the movable cavity, and the third through hole is communicated with the second through hole.

Through adopting above-mentioned technical scheme, the cable passes the second through-hole earlier, passes first through-hole and third through-hole again, makes the cable remove along with the slider in the activity intracavity, and guide portion and main part are the components of a whole that can function independently structure, make things convenient for the dismouting, can prepare not unidimensional guide portion, adapt to not unidimensional cable, and application scope is wider.

Preferably, the lateral wall in activity chamber on be equipped with hollow limiting plate, the limiting plate divide into epicoele and lower chamber with the activity chamber, the dwang be located the lower chamber.

Through adopting above-mentioned technical scheme, the limiting plate divide into epicoele and lower chamber with the activity chamber, the lower part and the dwang of slider with be located the lower chamber, the upper portion of slider is located the upper chamber and extends to the outside, simple structure, the operation is more directly perceived, simple and convenient.

Preferably, the slider on the cover be equipped with the bridging plate that the limiting plate cooperation was used, first through-hole be located the bridging plate top, the connecting hole be located the below of bridging plate.

Through adopting above-mentioned technical scheme, the slider slides in last intracavity and carries out spacingly through the lap joint board overlap joint at the limiting plate, can stabilize the upper portion of slider in the operation process.

Preferably, the other end of the rotating rod is provided with a handle.

Through adopting above-mentioned technical scheme, the dwang is convenient for operate more to the handle.

Preferably, the side wall of the movable cavity far away from the handle is provided with a jack, and the rotating rod extends into the end head of the movable cavity and extends into the jack.

Through adopting above-mentioned technical scheme, in the dwang extended to the jack in activity chamber, the jack provided firm effect to the end of dwang.

Preferably, the dwang on seted up the recess along the circumferencial direction, the main part on open and to have two arc walls, arc wall and recess set up relatively and cooperate the use, cable tightener still includes two fixed pins, the fixed pin insert the cavity between arc wall and the recess and make dwang and main part rotate relatively.

Through adopting above-mentioned technical scheme, the fixed pin inserts in arc wall and the recess, and the fixed pin plays spacing effect to the threaded rod, guarantees that the threaded rod can not the back-and-forth movement, and in the dwang extended to the jack in activity chamber, messenger's slider and dwang formed lead screw system, relative rotation between dwang and the main part.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The device has the advantages of simple and exquisite structure, simple and convenient operation, more visual operation process, obvious tightening effect, improvement of the efficiency of the operation, shortening of the time of the operation and reduction of the risk of the operation;

2. the guide part and the main body are of a split structure, so that the guide part is convenient to disassemble and assemble, the guide parts with different sizes can be prepared to adapt to cables with different sizes, and the application range is wider;

3. the fixed pin inserts in arc wall and the recess, and the fixed pin plays spacing effect to the threaded rod, and the dwang makes main part and dwang form lead screw system in extending to the jack in activity chamber, rotates relatively between dwang and the main part, has guaranteed the removal of slider on the dwang.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present application.

Fig. 2 is a schematic view of an integrated structure of a main body and a guiding portion in a first embodiment of the present application.

Fig. 3 is a schematic structural diagram of a rotating rod in an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a sliding member in the first embodiment of the present application.

Fig. 5 is a schematic structural diagram of a locking member in the first embodiment of the present application.

Fig. 6 is a schematic structural diagram of a second embodiment of the present application.

Fig. 7 is a schematic structural diagram of a main body in the second embodiment of the present application.

Fig. 8 is a schematic structural view of a guide portion in the second embodiment of the present application.

Description of reference numerals: 1. the main part, 11, the activity chamber, 111, the epicoele, 112, the cavity of resorption, 113, the jack, 12, the third through-hole, 13, the limiting plate, 2, the guide portion, 21, the second through-hole, 3, the dwang, 31, the recess, 32, first polished rod, 33, the threaded rod, 34, the second polished rod, 4, the slider, 41, the connecting hole, 42, first through-hole, 43, the inserting groove, 44, the bridging plate, 5, the retaining member, 6, the handle, 7, the fixed pin.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.