CN102058385A - Folding anoscope - Google Patents

Abstract

The invention discloses a folding anoscope, which comprises an anoscope barrel. An anoscope core is arranged in the anoscope barrel, the rear end of the anoscope core is provided with a pull rod, the rear end of the anoscope barrel is provided with a connecting sleeve, a locking ring is arranged on the connecting sleeve, and a first handle and a second handle are symmetrically arranged on the connecting sleeve by using the pull rod as an axis; the connecting sleeve is provided with two positioning grooves, positioning rods are arranged in the positioning grooves, the first handle is provided with a first mounting cavity, a screw cap and a connecting rod are arranged in the first mounting cavity, and a first spring is arranged on the correcting rod; a second mounting cavity and a connecting rod groove are formed in the first handle; the front end of the connecting rod passes through a wedge-shaped block arranged in the second mounting cavity through the connecting rod groove, the periphery of the connecting rod is provided with a limiting lug boss, two spring sheet seats are arranged in the second mounting cavity, two spring sheets are arranged on the two spring sheet seats, pressure blocks are arranged on the two spring sheet, two sides of the pressure blocks are provided with two limiting rods respectively, one end of each pressure block is provided with an inclined plane, the inclined plane is matched with that of the wedge-shaped block, and the other end of the pressure block is provided with a positioning ring; and the inside wall is provided with a through hole.

Description

Collapsible anoscope

Technical field

The present invention relates to a kind of medical apparatus and instruments, exactly is a kind of collapsible anoscope.

Background technology

Existing collapsible anoscope just can be divided into two kinds of straight handle type and horizontal shank types according to its handle form difference, but, though the collapsible anoscope of straight handle type makes things convenient for the medical worker to exert oneself when anal promotes the mirror body, in inconvenience fixed lens barrel when spurring the mirror core, precision is checked in influence; Though and the collapsible anoscope of horizontal shank type makes things convenient for fixed lens barrel when pulling mirror core, inconvenience pushes anal to the mirror body application of force with collapsible anoscope.

Summary of the invention

Purpose of the present invention has provided a kind of collapsible anoscope, and its handle is collapsible, and the medical worker can adjust the position of handle as required arbitrarily, thereby can improve checking efficiency and precision, solves the problem that prior art exists.

The objective of the invention is to be achieved through the following technical solutions: collapsible anoscope, comprise lens barrel, lens barrel is the big increaser in the little rear end of front end, the mirror core is installed in the lens barrel, the front end of mirror core is a bulb, bulb is positioned at outside the lens barrel, pull bar is installed in the rear end of mirror core, the rear end of lens barrel is provided with adapter sleeve, locking ring is installed in the periphery activity of adapter sleeve, the length of locking ring is greater than the length of adapter sleeve, is that the axis symmetry is installed first handle and second handle with the pull bar on the adapter sleeve, and the front end of first handle and second handle is hinged with adapter sleeve respectively; Offer first locating slot and second locating slot on the locking ring, be provided with first locating rod in first locating slot, first locating rod and first locating slot constitute first locating slot; Second locating rod is set in second locating slot, and second locating rod and second locating slot constitute second locating slot; Offer first installation cavity on the rear end inwall of first handle, nut and connecting rod are installed in first installation cavity, the rear end of connecting rod is threaded with nut, and the periphery of connecting rod is installed first spring; Offer second installation cavity and crank-guide way in the first handle, the two ends of crank-guide way communicate with first installation cavity and second installation cavity respectively; The front end of connecting rod is installed wedge in crank-guide way penetrates second installation cavity, the periphery of connecting rod is provided with positive stop lug boss, positive stop lug boss is positioned at second installation cavity, the first spring bar and the second spring bar are installed in second installation cavity, parallel installation first spring leaf and second spring leaf between the first spring bar and the second spring bar, on first spring leaf and second spring leaf briquetting is installed, the both sides of briquetting are provided with first gag lever post and second gag lever post respectively, briquetting is connected with second spring leaf with first spring leaf with second gag lever post by first gag lever post, one end of briquetting is the inclined-plane, the inclined-plane cooperates with the inclined-plane of wedge, and the other end of briquetting is installed locating ring; The medial wall on offer through hole, through hole is corresponding with locating ring; The internal structure and the first handle of second handle are identical.

For further realizing purpose of the present invention realizing by the following technical solutions: on the outer wall of adapter sleeve arcuate groove is set, offers dowel hole on the sidewall of locking ring, alignment pin is installed in the dowel hole, alignment pin cooperates with arcuate groove.The inboard of first handle is provided with first limited block, and the inboard of second handle is provided with second limited block.Offer interior hexagonal hole on the nut.The rear end mounting knob of pull bar, handle is between first handle and second handle.Rubber sleeve is set in the locating ring.

Good effect of the present invention is: its handle can be adjusted by the medical worker voluntarily according to the different operating stage, for example, in the stage that begins collapsible anoscope is pushed anal, two handles close up synthetic big handle, make things convenient for the medical worker to collapsible anoscope applied thrust, and the volume that also can significantly dwindle collapsible anoscope after first handle and second handle closed up is convenient for carrying and put; When needing pulling mirror core after collapsible anoscope pushes anus, first handle and second handle can be launched, abdicate enough big mobile space both can for the pull bar of mirror core, convenient pulling mirror core can make things convenient for fixed lens barrel again.In addition, launch arbitrarily or closure for preventing first handle and second handle, the periphery of adapter sleeve is installed locking ring, and the handle positioner all is installed in first handle and the second handle.The present invention also has compactness simple for structure, cheap for manufacturing cost and advantages of simple operation.

Description of drawings

Fig. 1 is a structural representation of the present invention, and first handle and second handle are to close up collapsed state among the figure; Fig. 2 is a structural representation of the present invention, first handle and second handle deployed condition among the figure; Fig. 3 is that the B of Fig. 2 is to the structure for amplifying sketch map; Fig. 4 is that the D of Fig. 3 is to the structure for amplifying sketch map; Fig. 5 is that the A-A of Fig. 1 analyses and observe the structure for amplifying sketch map; Fig. 6 is the structural representation of figure locking ring; Fig. 7 is the C-C sectional structure sketch map of Fig. 6; Fig. 8 is the plan structure sketch map of Fig. 6; Fig. 9 is the structural representation of looking up of Fig. 6.

Reference numeral: 1 mirror core, 2 lens barrels, 3 locking rings, 4 adapter sleeves, 5 first locating slots, 6 second locating slots, 7 deep-slotted chip breakers, 8 alignment pins, 9 first limited blocks, 10 second limited blocks, 11 first handles, 12 second handles, 13 pull bars, 14 handles, 15 nuts, 16 interiorhexagonal hole 17first springs 18 connectingrods 19first installation cavitys 20 crank-guide ways 21 positivestop lug boss 22first spring bars 23 second spring bars, 24 inclined-planes, 25 first spring leafs, 26 second spring leafs, 27 first gag lever posts, 28 second gag lever posts, 29 locating rings, 30 second installation cavitys, 31 wedges, 32 briquettings, 33 dowel holes, 34 through holes, 35 first locating slots, 36 second locating slots, 37 first backstays, 38 second backstays, 39 rubber sleeves.

The specific embodiment

Collapsible anoscope of the present invention, compriselens barrel 2,lens barrel 2 is the big increasers in the little rear end of front end,mirror core 1 is installed in thelens barrel 2, the front end ofmirror core 1 is a bulb, and bulb is positioned at outside thelens barrel 2, and the rear end oflens barrel 2 is provided withadapter sleeve 4,locking ring 3 is installed in the periphery activity ofadapter sleeve 4, andlocking ring 3 can rotate relative to adapter sleeve 4.The length oflocking ring 3 is greater than the length ofadapter sleeve 4, so thatfirst handle 11 andsecond handle 12 when launching, can snap in location in the locking ring 3.As shown in Figure 1, be that axis symmetry is installedfirst handle 11 andsecond handle 12 withpull bar 13 on theadapter sleeve 4, the front end offirst handle 11 andsecond handle 12 is hinged withadapter sleeve 4 respectively,first handle 11 andsecond handle 12 can be hinged by hinge andadapter sleeve 4, also can be hinged by other existing articulated structures and adapter sleeve 4.Offer on thelocking ring 3 and be provided with first locating rod, 37, the first locatingrods 37 and first locating slot, 5 formations, first locatingslot 35 in first locatingslot 5 and second locating slot, 6, the first locatingslots 5; Second locating rod, 38, the second locatingrods 38 and second locating slot, 6 formations, second locatingslot 36 are set in second locatingslot 6; Afterfirst handle 11 andsecond handle 12 expansion, first handle 11 snaps in first locatingslot 5,second handle 12 snaps in second locatingslot 6, twist-lock ring 3,first handle 11 andsecond handle 12 are snapped in respectively in first locatingslot 35 and second locatingslot 36, first locatingrod 37 and second locatingrod 38 play the role of positioning to two handles respectively, prevent from that 12 upsets offirst handle 11 and second handle from closing up to reset.Duringprocessing locking ring 3, directly onlocking ring 3, offer first locatingslot 35 and second locatingslot 36, first locatingslot 5 and second locatingslot 6, just can process first locatingrod 37 and second locatingrod 38 atlocking ring 3.

Infirst handle 11 and thesecond handle 12 identical handle positioner is installed respectively, the concrete structure of handle positioner is as follows: offerfirst installation cavity 19 on the rear inside wall offirst handle 11, infirst installation cavity 19nut 15 and connectingrod 18 are installed, the rear end of connectingrod 18 is threaded withnut 15, the periphery of connectingrod 18 is installedfirst spring 17,first spring 17 is positioned at first installation cavity, 19, thefirst springs 17 and cooperates withnut 15 and provide the pretightning force that resets to connectingrod 18; Offersecond installation cavity 30 and crank-guide way 20 in thefirst handle 11, the two ends of crank-guide way 20 communicate withfirst installation cavity 19 andsecond installation cavity 30 respectively; The front end of connectingrod 18 is installed wedge 31 in crank-guide way 20 penetratessecond installation cavity 30, the inclined-plane of wedge 31 is downward, the periphery of connectingrod 18 is provided with positivestop lug boss 21, positivestop lug boss 21 is positioned atsecond installation cavity 30, insecond installation cavity 30 thefirst spring bar 22 and thesecond spring bar 23 are installed, parallel installationfirst spring leaf 25 andsecond spring leaf 26 between thefirst spring bar 22 and thesecond spring bar 23, briquetting 32 is installed onfirst spring leaf 25 andsecond spring leaf 26, the both sides of briquetting 32 are provided with firstgag lever post 27 and secondgag lever post 28 respectively, briquetting 32 is connected and fixed by first gag lever post 27 and secondgag lever post 28 andfirst spring leaf 25 andsecond spring leaf 26, as shown in Figure 4, one end of briquetting 32 is inclined-planes 24, inclined-plane 24 cooperates with the inclined-plane of wedge 31, and the other end of briquetting 32 is installed locatingring 29; Offer through hole 34 on 11 the medial wall, through hole 34 is corresponding with locatingring 29; The structure of the handle positioner ofsecond handle 12 andfirst handle 11 identical.

The operational approach of collapsible anoscope of the present invention is basic identical with existing collapsible anoscope, difference is, when need push patient's anal with collapsible anoscope, be the thrust of conveniently exerting pressure forward, as shown in Figure 1,first handle 11 is closed up synthetic big handle, hold so that the medical worker takes; In the time ofmirror core 1 slowly need being pulled out after collapsible anoscope inserts anus, for making things convenient for the application of force, as shown in Figure 2, earlierrelative adapter sleeve 4 twist-lock rings 3 make first locatingslot 5 and second locatingslot 6 corresponding withfirst handle 11 andsecond handle 12 respectively; Againfirst handle 11 andsecond handle 12 are launched; After launching,first handle 11 andsecond handle 12 snap in respectively in first locatingslot 5 and second locatingslot 6; Then, pressnut 15,nut 15 moves by elastic force promotion positivestop lug boss 21 and the wedge 31 that connectingrod 18 overcomesfirst spring 17, because 18 are subjected to 20 guide effect, therefore, 18 limit wedge 31 moving linearly only, as shown in Figure 4, wedge 31 cooperates with inclined-plane 24, can produce the pressure that points to through hole 34 to briquetting 32 when wedge 31 straight lines move, thereby the elastic force that makes briquetting 32drive locating rings 29 overcomefirst spring leaf 25 andsecond spring leaf 26 stretches out outside the handle; At last, twist-lock ring 3 all snaps in first locatingslot 35 and second locatingslot 36first handle 11 andsecond handle 12, and two locatingrings 29 that makefirst handle 11 andsecond handle 12 are placed on first locatingrod 37 and second locatingrod 38 location respectively, and two locatingrings 29 can clamp the position of first locatingrod 37 and second locating rod, 38 lockingfirst handles 11 and second handle 12.First locatingrod 37 and second locating rod, 38 lockablefirst handles 11 andsecond handle 12 prevent thatfirst handle 11 andsecond handle 12 from closing up closure.

After inspection finishes, backwardrotation locking ring 3, two locatingrings 29 are separated with second locatingrod 38 with first locatingrod 37 respectively,first spring 17 can drive positivestop lug boss 21 recession bynut 15 and connectingrod 18 and reset, wedge 31 is reset to position shown in Figure 4 with briquetting 32,first spring leaf 25 andsecond spring leaf 26 drive in locatingring 29 incomessecond installation cavity 30 by briquetting 32 and reset, and can close upfirst handle 11 andsecond handle 12 this moment.When non-working condition, for preventing thatfirst handle 11 andsecond handle 12 from launching,locking ring 3relative adapter sleeves 4 can be turned an angle, make first locatingslot 5 and second locatingslot 6 open certain angle withfirst handle 11 andsecond handle 12 differences respectively, thereby make 4 pairs offirst handles 11 of adapter sleeve and 12 position-limiting actions of second handle.

Adapter sleeve 4 can adopt following scheme with the concrete connected mode of locking ring 3: as shown in Figure 6, arcuate groove 40 is set on the outer wall ofadapter sleeve 4, offer dowel hole 42 on the sidewall oflocking ring 3, alignment pin 41 is installed in the dowel hole 42, alignment pin 41 cooperates with arcuate groove 40.Alignment pin 41 and arcuate groove 40 cooperations play the role of positioning to lockingring 3.

For preventingmirror core 1 by deviating from thelens barrel 2 under non-working condition, as depicted in figs. 1 and 2, the inboard offirst handle 11 is provided with firstlimited block 9, and the inboard ofsecond handle 12 is provided with second limited block 10.When first handle 11 andsecond handle 12 closed up closure as shown in Figure 1, firstlimited block 9 and secondlimited block 10 were positioned at the rear end ofmirror core 1, andmirror core 1 is played the role of positioning.

For making things convenient fornut 15 and connectingrod 18 dismountings, as shown in Figure 3,hexagonal hole 16 in offering on the nut 15.When needingdismounting nut 15, insert interiorhexagonal hole 16 with six side'sspanners nut 15 is pulled down by rotation on the connectingrod 18.

The rearend mounting knob 14 ofpull bar 13,handle 14 is betweenfirst handle 11 and second handle 12.When first handle 11 andsecond handle 12 closed up closure, 14 pairs offirst handles 11 of handle andsecond handle 12 played a supportive role, and made things convenient for the medical worker to the collapsible anoscope application of force.

For making the locatingring 29 and first locatingrod 37 and 38 fixations of second locating rod, because of damaging, friction as shown in Figure 4, rubber sleeve 39 is set for preventing between the locatingring 29 and second locatingrod 38 and first locatingrod 37 in the locatingring 29 simultaneously.

The present invention not technology contents of detailed description is known technology.

Claims (6)

1. collapsible anoscope, comprise lens barrel (2), lens barrel (2) is the big increaser in the little rear end of front end, mirror core (1) is installed in the lens barrel (2), the front end of mirror core (1) is a bulb, bulb is positioned at outside the lens barrel (2), pull bar (13) is installed in the rear end of mirror core (1), it is characterized in that: the rear end of lens barrel (2) is provided with adapter sleeve (4), locking ring (3) is installed in the periphery activity of adapter sleeve (4), the length of locking ring (3) is greater than the length of adapter sleeve (4), and it is that the axis symmetry is installed first handle (11) and second handle (12) that adapter sleeve (4) is gone up with pull bar (13), and the front end of first handle (11) and second handle (12) is hinged with adapter sleeve (4) respectively; Offer first locating slot (5) and second locating slot (6) on the locking ring (3), be provided with first locating rod (37) in first locating slot (5), first locating rod (37) constitutes first locating slot (35) with first locating slot (5); Second locating rod (38) is set in second locating slot (6), and second locating rod (38) constitutes second locating slot (36) with second locating slot (6); Offer first installation cavity (19) on the rear end inwall of first handle (11), nut (15) and connecting rod (18) are installed in first installation cavity (19), the rear end of connecting rod (18) is threaded with nut (15), and the periphery of connecting rod (18) is installed first spring (17); Offer second installation cavity (30) and crank-guide way (20) in the first handle (11), the two ends of crank-guide way (20) communicate with first installation cavity (19) and second installation cavity (30) respectively; The front end of connecting rod (18) is installed wedge (31) in crank-guide way (20) penetrates second installation cavity (30), the periphery of connecting rod (18) is provided with positive stop lug boss (21), positive stop lug boss (21) is positioned at second installation cavity (30), the first spring bar (22) and the second spring bar (23) are installed in second installation cavity (30), parallel installation first spring leaf (25) and second spring leaf (26) between the first spring bar (22) and the second spring bar (23), first spring leaf (25) and second spring leaf (26) are gone up briquetting (32) are installed, the both sides of briquetting (32) are provided with first gag lever post (27) and second gag lever post (28) respectively, briquetting (32) is connected with second spring leaf (26) with first spring leaf (25) with second gag lever post (28) by first gag lever post (27), one end of briquetting (32) is inclined-plane (24), inclined-plane (24) cooperates with the inclined-plane of wedge (31), and the other end of briquetting (32) is installed locating ring (29); (11) offer through hole (34) on the medial wall, through hole (34) is corresponding with locating ring (29); The internal structure of second handle (12) and first handle (11) are identical.

2. collapsible anoscope according to claim 1, it is characterized in that: arcuate groove (7) is set on the outer wall of adapter sleeve (4), offer dowel hole (33) on the sidewall of locking ring (3), alignment pin (8) is installed in the dowel hole (33), alignment pin (8) cooperates with arcuate groove (7).

3. collapsible anoscope according to claim 1 is characterized in that: the inboard of first handle (11) is provided with first limited block (9), and the inboard of second handle (12) is provided with second limited block (10).

4. collapsible anoscope according to claim 1 is characterized in that: offer interior hexagonal hole (16) on the nut (15).

5. collapsible anoscope according to claim 1 is characterized in that: the rear end mounting knob (14) of pull bar (13), handle (14) are positioned between first handle (11) and the second handle (12).

6. collapsible anoscope according to claim 1 is characterized in that: rubber sleeve (39) is set in the locating ring (29).

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