CN2694908Y

CN2694908Y - Dilator for operation

Info

Publication number: CN2694908Y
Application number: CN 200320100870
Authority: CN
Inventors: 颜宗宝
Original assignee: WANBANG HI-TECH Co Ltd
Current assignee: WANBANG HI-TECH Co Ltd
Priority date: 2003-10-24
Filing date: 2003-10-24
Publication date: 2005-04-27
Anticipated expiration: 2013-10-24

Abstract

The utility model relates to a dilator for the operation. A linkage device is sheathed in the dilator; the tail end of the screw part of the sleeve barrel of the linkage device is provided with a containing groove for containing an actuating block; the actuating block is respectively provided with two mutually parallel first side walls and two mutually parallel second side walls; an abutting pushing part is arranged on the contain position between the first side wall and the second side wall. Moreover, the screw rod of a rotation element can spirally enter the screw part of the above sleeve barrel; the contact holding face arranged on the tail end of the screw rod of the rotation element is abutted with the first side wall of the actuating block; the screw rod of the rotation element can extrude the actuating block for rotating.

Description

The operation dilator

Technical field

This utility model relates to a kind of operation dilator, especially the finger linkage is provided with in telescopic threaded portion end and can supplies to accommodate the storage tank of making motion block, and telescopic threaded portion is for being screwed into for the screw rod of rotating part, and make rotating part in the terminal set supporting surface of screw rod for can be held in the first side wall of making motion block, and then the screw rod of rotating part can be pushed as motion block do a turn.

Background technology

The inventor once proposed the novel patent application of " a kind of muscle stretching apparatus for operation " on May 31st, 2002 to Taiwan, and got permission and announce No. 516422 on January 1st, 2003.This stretching apparatus inserts near the surgery location predetermined in the patient earlier, and by the turn conjunction, the connecting portion that makes two expanded support parts is that a turn is done to seesaw spare in the axle center with the pin member, the expanded support portion of two expanded support parts can outwards be strutted, and then can effectively increase the width of tubular conduit; Yet, though above-mentioned public technology can effectively reach its purpose, come the turn conjunction but when reality is used, must expend bigger strength, and when the expanded support portion of two expanded support parts outwards being strutted by the turn conjunction, and can't make two expanded support parts to strut angle identical; So the inventor thinks that above-mentioned public technology still has many deficiencies and waits improved defective, how to manage to solve above-mentioned defective and inconvenience, be relevant dealer and desire most ardently the direction place that research improves.

Summary of the invention

Main purpose of the present utility model is to provide a kind of improved operation dilator, this dilator is provided with a linkage, this linkage is provided with in telescopic threaded portion end can be for accommodating the storage tank of making motion block, and telescopic threaded portion is for being screwed into for the screw rod of rotating part, and make rotating part in the terminal set supporting surface of screw rod for can be held on the first side wall of making motion block, and then the screw rod of rotating part can be pushed as motion block do a turn.

Secondary objective of the present utility model is to be, is sheathed in the stretching apparatus by this linkage, makes making motion block and can doing a turn of linkage, and then can be simultaneously two expanded support parts of stretching apparatus be outwards strutted.

For reaching above-mentioned purpose and structure, technological means that this utility model adopted and effect thereof illustrate with preferred embodiment of the present utility model now in conjunction with the accompanying drawings in detail.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is a stereo appearance figure of the present utility model.

Fig. 3 is inserted in side view before the stretching apparatus for this utility model.

Side view when Fig. 4 is inserted in stretching apparatus for this utility model.

Fig. 5 is inserted in the side view when using behind the stretching apparatus for this utility model.

Fig. 6 is inserted in the preceding side view of stretching apparatus for another preferred embodiment of this utility model.

Side view when Fig. 7 is inserted in stretching apparatus for another preferred embodiment of this utility model.

Fig. 8 is inserted in the side view when using behind the stretching apparatus for another preferred embodiment of this utility model.

Symbol description among the figure

1 stretching apparatus

11 pedestals, 1211 slide rails

111 hollow-out parts, 122 enlarged portion

1111 open-works, 123 passages

112 chutes, 124 knuckles

12 expanded support parts, 1241 pivoted holes

121 substrates

2 linkages

21 sleeves, 2221 supporting surfaces

211 base portions, 223 throw rods

212 bodys 23 are made motion block

2121 threaded portions, 231 locating holes

2122 storage tanks, 232 spacing holes

2123 pivoted holes, 233 the first side walls

22 rotating parts, 234 second sidewalls

221 base portions, 235 pushing parts

222 screw rods

3 pin connected assemblies

The specific embodiment

See also Fig. 1, shown in Figure 2, be three-dimensional exploded view of the present utility model and stereo appearance figure, by among the figure clear can find out be arranged with a linkage 2 in this utility model stretching apparatus 1 (Fig. 3), and linkage 2 includes sleeve 21, rotating part 22 and makes motion block 23 and form, now with regard to the main member of this case and feature describes in detail as after; Wherein:

As shown in Figure 1, this sleeve 21 is provided with base portion 211, and has then extended a body 212 in base portion 211 1 sides, and is provided with a threaded portion 2121 in body 212 thoroughly, and threaded portion 2121 ends then are provided with a storage tank 2122 and a plurality of pivoted hole 2123.

This rotating part 22 is provided with a base portion 221, and base portion 221 1 sides are for being extended with screw rod 222, and then is provided with a supporting surface 2221 in screw rod 222 ends, and the base portion 221 of rotating part 22 away from a side of screw rod 222 for can be for being equipped with throw rod 223.

This makes the spacing hole 232 that motion block 23 surfaces are provided with locating hole 231 and are the arcuation design, and make motion block 23 and be provided with two mutual parallel the first side wall 233 and the two mutual second parallel sidewalls 234 simultaneously, and then be formed with pushing part 235 in the intersection of the first side wall 233 and second sidewall 234.

By above-mentioned member in when assembling, to do earlier in the storage tank 2122 that motion block 23 is embedded at sleeve 21, and be hubbed at the pivoted hole 2123 of sleeve 21 and make the locating hole 231 of

motion block

23 and 232 of spacing holes by pin connected assembly 3, can be the axle center by locating hole 231 even make motion block 23, and can do the turn of a fixed angle simultaneously by the block of spacing hole 232; At this moment, the screw rod 222 of rotating part 22 can be screwed into sleeve 21 in 212 threaded portions of establishing thoroughly 2121 of body, and then make rotating part 22 be held in the first side wall 233 surfaces of making motion block 23 in screw rod 222 terminal set supporting surfaces 2221, can finish the assembling (Fig. 2, shown in Figure 3) of this utility model integral body.

See also Fig. 3, Fig. 4, shown in Figure 5, for this utility model be inserted in side view before the stretching apparatus, when being inserted in stretching apparatus side view and be inserted in stretching apparatus after side view when using.Can find out by clear among the figure, the above-mentioned linkage 2 of this utility model can be inserted in the stretching apparatus 1 and use, and stretching apparatus 1 is provided with the pedestal 11 of tool hollow-out parts 111, and be provided with two expanded support parts 12 relatively in pedestal 11 surfaces, and expanded support part 12 is provided with a substrate 121, and in a side of substrate 121 for being extended with enlarged

portion

122, and 122 of the enlarged portion of two expanded support parts 12 are for being formed with a passage 123; Moreover, the substrate 121 of expanded support part 12 is the knuckle 124 that is formed with tool pivoted hole 1241 with enlarged portion 122, and be provided with a plurality of open-works 1111 in hollow-out parts 111 sidewalls of pedestal 11, and the open-work 1111 of the pivoted hole 1241 of expanded support part 12 and pedestal 11 is for wearing the location for pin connected assembly 3; Thus, when above-mentioned linkage 2 via stretching apparatus 1 when the hollow-out parts 111 of pedestal 11 is inserted in two expanded support parts 12 in the formed passage 123 of 122 of enlarged portion, can be by rotating rotating part 22 in basic 221 set throw rods 223, and make rotating part 22 be held in the first side wall 233 surfaces of making motion block 23 in screw rod 222 terminal set supporting surfaces 2221, and then force and make motion block 23 and can locating hole 231 be the axle center, and do the turn of a fixed angle by the block of spacing hole 232; Moreover when doing motion block 23 in turn, 235 of pushing parts making motion block 23 can be held in passage 123 medial walls of two expanded support parts 12 respectively when above-mentioned; At this moment, can be that the axle center struts to both sides with two expanded support parts 12 with pivoted hole 1241 by the pushing part 235 of making motion block 23, and then make two expanded support parts 12 reach the purpose of expansion in 122 formed passages 123 of enlarged portion.

Moreover, please continue to consult Fig. 6, Fig. 7, shown in Figure 8, for side view before the stretching apparatus is inserted in another preferred embodiment of this utility model, the side view when using behind the stretching apparatus is inserted in side view when stretching apparatus is inserted in another preferred embodiment and another preferred embodiment, can find out that pedestal 11 surfaces of above-mentioned stretching apparatus 1 are provided with chute 112 by clear among the figure, expanded support part 12 then is provided with slide rail 1211 in substrate 121 root edges, and expanded support part 12 can be for embedding stretching apparatus 1 in the set chute 112 in pedestal 11 surfaces in the set slide rail 1211 of substrate 121 root edges, when linkage 2 via stretching apparatus 1 when the hollow-out parts 111 of pedestal 11 is inserted in two expanded support parts 12 in the formed passage 123 of 122 of enlarged portion, can be by rotating rotating part 22 in basic 221 set throw rods 223, and make rotating part 22 be held in the first side wall 233 surfaces of making motion block 23 in screw rod 222 terminal set supporting surfaces 2221, and then force and make motion block 23 and can locating hole 231 be the axle center, and do the turn of a fixed angle by the block of spacing hole 232; Moreover when doing motion block 23 in turn, 235 of pushing parts making motion block 23 can be held in passage 123 medial walls of two expanded support parts 12 respectively when above-mentioned; At this moment, pushing part 235 that can be by making motion block 23 struts the cooperation of two expanded support parts 12 by slide rail 1211 and chute 112 to both sides are parallel, and then makes two expanded support parts 12 reach the purpose of expansion in 122 formed passages 123 of enlarged portion.

Yet the above is preferred embodiment of the present utility model only, is not therefore to limit to claim of the present utility model; So, when this utility model uses in reality, except can be applicable to the use of soft tissue or ridge body dilator, can also same project organization be used in jack or other need be expanded on the apparatus of use, such as using this utility model description and accompanying drawing content to do all should in like manner be contained in the claim of the present utility model, closes and gives Chen Ming.

In sum, the above-mentioned operation of this utility model uses the structure of dilator when using, and can reach its effect and purpose really, so this utility model is the design of a practicality excellence really, meets the application important document of utility model, files an application in accordance with the law.

Claims

1. an operation dilator is arranged with a linkage in the stretching apparatus, and linkage includes sleeve, rotating part and makes motion block; It is characterized in that,

This sleeve is provided with base portion, and has then extended body in base portion one side, and is provided with a threaded portion thoroughly in body, and the threaded portion end then is provided with a storage tank and a plurality of pivoted hole;

This rotating part is provided with a base portion, and base portion one side is for being extended with screw rod, and then is provided with a supporting surface in the screw rod end, and the screw rod spiral shell of rotating part is located in the telescopic threaded portion;

This is contained in the telescopic storage tank as motion block, and be provided with locating hole and spacing hole in doing the motion block surface, and as motion block is to be respectively equipped with two mutual parallel the first side wall and the two mutual second parallel sidewalls, and be provided with pushing part in the intersection of the first side wall and second sidewall, and rotating part is held in the first side wall of making motion block in the terminal set supporting surface of screw rod, makes the screw rod of rotating part do a turn for pushing as motion block.

2. operation dilator as claimed in claim 1, wherein this telescopic base surface is provided with a plurality of clip protuberances.

3. operation dilator as claimed in claim 1, wherein the base portion of this rotating part is equipped with throw rod away from a side of screw rod.

4. as claim 1 a described operation dilator, wherein this makes motion block for generally being a diamond-shaped body structure.

5. as claim 1 a described operation dilator, wherein this spacing hole of making motion block is an arc structure.

6. as claim 1 a described operation dilator, wherein this stretching apparatus is provided with the pedestal of a tool hollow-out parts, and is provided with two expanded support parts relatively in base-plates surface, and the expanded support part is provided with a substrate, and be extended with enlarged portion, and be formed with a passage between the enlarged portion of two expanded support parts in a side of substrate.

7. as claim 6 a described operation dilator, wherein the substrate of this expanded support part and enlarged portion are formed with the knuckle of tool pivoted hole, and then be provided with a plurality of open-works in the hollow-out parts sidewall of pedestal, and the open-work of the pivoted hole of expanded support part and pedestal is that pin connected assembly wears the location.