CN2668152Y - Disposable light-guide vaginal dilator - Google Patents
Disposable light-guide vaginal dilator Download PDFInfo
- Publication number
- CN2668152Y CN2668152Y CNU2003201161614U CN200320116161U CN2668152Y CN 2668152 Y CN2668152 Y CN 2668152Y CN U2003201161614 U CNU2003201161614 U CN U2003201161614U CN 200320116161 U CN200320116161 U CN 200320116161U CN 2668152 Y CN2668152 Y CN 2668152Y
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- inferior lobe
- leaf
- insertion section
- fixed part
- angle
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Abstract
The utility model provides a disposable light guiding type vaginal dilator which comprises an upper lobe 1 and a lower lobe 2. The utility model is characterized in that the vaginal dilator is also provided with a handgrip illuminating source part 14 and a light guiding channel 22, wherein, the light guiding channel 22 is composed of the bottom of the lower lobe 2 which is made of light permeating material and has an elliptical cross section. The utility model solves the problem that a traditional dilator can be used for diagnostic check only by using the lighting of an extraneous illuminating source. The upper and the lower lobes of the dilator are disposable components, and the handgrip illuminating source is portable and can be repeatedly used for many times. The handgrip illuminating source can be easily integrated with or separated from the disposable dilator. The utility model has the characteristics of sanitation, convenience, no limitation to the check operation caused by the lighting condition of a check site, etc.
Description
Technical field
This utility model relates to medical apparatus and instruments, and particularly obstetrics and gynecology hospital is used for the medical apparatus and instruments of examination per vagina.
Background technology
Disposable vagina expander is that obstetrics and gynecology hospital is used for vaginal dilation when doing examination per vagina, a kind of indispensable medical apparatus and instruments of being convenient to check.Traditional vaginal dilator is a metallic article, after change into disposable.But no matter be traditional product, still present existing disposable vagina expander does not possess from body optical illumination function, and must cooperate illumination to check for the patient by the examination in hospital light station lamp of outside.Because the hospital station lamp must connect external power supply and could use, so can not move at random, the doctor checks generally at inspection chamber, and is especially comparatively inconvenient to the patient who lies in bed.
The purpose of this utility model provides a kind of disposable light-guiding type vaginal dilator, makes it have characteristics such as the mains lighting supply of carrying, health, convenience, the lamp of need not standing cooperation illumination.
Realize that concrete technical scheme of the present utility model is, this disposable light-guiding type vaginal dilator comprises leaf 1 and inferior lobe 2, it is characterized in that it also has handle light source portion 14 and guide lighting channel 22; Last leaf 1 is formed with the last leaf sliding part 4 that is positioned at leaf 1 rear portion by being positioned at the leaf 1 forward leaf insertion section 3 of going up, angle between the medial surface of medial surface of insertion section 3 (promptly relative with inferior lobe one side) and sliding part 4 is 130 to 140 degree, and it is excessively slick and sly that its corner is; Inferior lobe 2 is formed with the inferior lobe fixed part 6 that is positioned at inferior lobe 2 rear portions by being positioned at inferior lobe 2 forward inferior lobe insertion sections 5, angle between the lateral surface of lateral surface of inferior lobe insertion section 5 (dorsal surface of promptly relative with last leaf one side) and inferior lobe fixed part 6 is 100 to 110 degree, and it is excessively slick and sly that its corner is; Thereby the rear portion of inferior lobe fixed part 6 is for inserting the movable inserted link 13 that movable inserted link groove 21 that opening is arranged in handle light source portion 14 front ends makes inferior lobe fixed part 6 be connected with handle light source portion 14, and a side of its end has had the triangle baffle plate 30 of fixation; Last leaf 1 and inferior lobe 2 slideway 7 by being positioned at leaf sliding part 4 inside upper part be positioned at inferior lobe insertion section 5 and be connected with the vertical traveller 8 in inferior lobe fixed part 6 intersections, traveller 8 embeds in the chute 9 of slideways 7; The rear end of last leaf sliding part 4 is that subtended angle is regulated slip pushing hands 10, there is shifting axle 12 its below, bottom, this shifting axle 12 stretches in inferior lobe fixed part 6 and the grooves last leaf slip pushing hands 10 corresponding positions, and the two ends of this shifting axle 12 are connected on the two side that links to each other with the bottom of last leaf slip pushing hands 10; Have the dilator subtended angle of the vertical arrangement that is connected as a single entity with the inferior lobe fixed part to regulate retaining teeth groove 11 between the bottom of last leaf slip pushing hands 10 and shifting axle 12, this teeth groove 11 is corresponding with shifting axle 12; Middle inside at inferior lobe fixed part 6 can have mucus retaining groove 29; Guide lighting channel 22 is by by light transmissive material, and the bottom that the cross section of making as polystyrene is elliptoid inferior lobe 2 constitutes, and this guide lighting channel 22 increases at the front end place of inferior lobe insertion section 5 and is oval spherical formation optically focused head 26; Handle light source portion 14 is by handle casing 15 and the battery case 16 that is positioned at handle casing 15, voltage control circuit 17, light source switch 18, reflective basin 19, high brightness spot light lamp bulb 20, and opening is positioned at the movable inserted link groove 21 and the inserted link fixture formation of handle light source portion 14 front ends, handle casing 15 intracavity are forward to withdraw from spring 23 and locating rod 24 is formed to the inserted link fixture by being positioned at, locating rod 24 is a strip structure, its middle part is connected on the ridge 25 on handle casing 15 medial walls by movable axis, its front end is close to by tension spring 31 on the medial wall of handle casing 15 front ends, with the sidewall of the anterior adjacent handle casing 15 of locating rod 24 on have and can withdraw from button 27 to the inserted link that the cavity center of handle casing 15 produces displacement the front end of locating rod 24 front end that makes locating rod 24 of exerting pressure.
Upward leaf of the present utility model and inferior lobe can be made of plastics, and become disposable product, and be convenient, health.
The Cross section Design of guide lighting channel of the present utility model is ellipse garden shape, the angle of inferior lobe insertion portion and handle portion is decided to be the 100-110 degree, preferred 100 degree, 90 ° than traditional instruments have increased by 10 °, and make the corner rounding off, make the light that spreads out of from handle light source straight line generation total reflection on the corner as much as possible, light by light close be light therein the less medium of spread speed be mapped to light and dredge when being the interface of the light medium that spread speed is bigger therein, all be reflected back toward the phenomenon in the former medium, reduce scattering and disappearing of light, light is propagated to the optically focused head along guide lighting channel.Its principle is: when light enters optically thinner medium by optically denser medium, leave the normal refraction.When angle of incidence θ was increased to certain situation, fringence prolonged the surface and carries out, and promptly the refraction angle is 90 °, and this angle of incidence θ is called critical angle.If angle of incidence greater than critical angle, does not then have refraction, whole equal backspace optically denser media of light, this phenomenon is called total reflection.From the critical angle that plastics enter air, different and different with the composition of plastics, about about 40 °, as shown in Figure 7, the angle of incidence of incident ray is all greater than 40 °, promptly greater than critical angle, so incident illumination will can not enter in the air, but continue to propagate forward along guide lighting channel.When light arrives the optically focused head, because the oval ball transition that being designed to of optically focused head increased to volume by the oval cross section of guide lighting channel, help like this optically focused of light by original guide lighting channel, reflection, refraction by arcwall face are propagated to airborne all directions, to reach the purpose that illuminates whole cavity.
When needs are regulated upper and lower lobes front portion subtended angle, to pin subtended angle slip pushing hands with thumb and promote up or down, leaf portion moves up and down along slideway on the dilator.When arriving required angle, unclamp hands, last leaf front portion is subjected to vagina to shrink the effect of external force, shifting axle slips into subtended angle nearby and regulates the shelves further groove, and the inferior lobe of blocking dilator makes it no longer to slide, by the adjusting of subtended angle, change the viewing area, to reach convenient purpose of observing.
When the light-guiding type vaginal dilator inserted handle portion, the extractor in the inserted link driving handle of inferior lobe stretched its upper spring; Locating rod is rotated along the contrary inserting needle direction of fixed axis, its stiff end spring is stretched, when insertion portion triangle block surpassed the locating rod movable end, locating rod clockwise direction under the effect of stiff end spring rotated return, blocks insertion portion.This moment, two parts formed a whole.When handle withdraws from, upwards promote to withdraw from button, withdraw from the part that button stretches to intracavity and make locating rod counterclockwise rotate, when the locating rod movable end changes when falling to surpass insertion portion triangle block along fixed axis, insertion portion leaves handle under the spring of extractor promotes, finish dismounting.
The disposable light-guiding type vaginal dilator that this utility model provides has solved the problem that traditional dilator need just can carry out work up by the ambient light source lighting, illumination by self handle light source, can carry out clinical examination easily, both kept the disposable advantage of dilator, make clinical examination do not checked the restriction of field lighting condition again, particularly very convenient to bed patient's inspection.The handle light source can be carried, and is repeatedly used, and can very easily integrates with disposable dilator or separate, and makes the use cost of dilator that remarkable increase not arranged, and clinical practice becomes possibility.Because be the direct direct-injection type illumination of dilator, the illuminating effect in its deep is better than the emanating light illumination, is convenient to check, comprises the redesign of subtended angle retaining, insertion portion and handle angle, makes the operation of dilator and uses convenient.The dilator front end can have lubricant coating, and dilator can easily be entered in the patient body.The mucus retaining groove can make the light source handle portion avoid polluting, and keeps life-time service.
Description of drawings
Fig. 1 is this utility model example structure figure;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the A-A profile of Fig. 1;
Fig. 4 is the C-C profile of Fig. 1;
Fig. 5 is an optically focused header structure sketch map (overlooking);
Fig. 6 is the B-B profile of Fig. 2;
Fig. 7 leaded light schematic diagram;
Fig. 8, Fig. 9 are handle light source portion structure chart;
Figure 10 is voltage control circuit figure.
The utility model is described in further detail below in conjunction with accompanying drawing.
The specific embodiment
Embodiment
Fig. 1 is the disposable light-guiding type vaginal dilator of this utility model, comprises leaf 1 and inferior lobe 2, it is characterized in that it also has handle light source portion 14 and guide lighting channel 22; Last leaf 1 is formed with the last leaf sliding part 4 that is positioned at leaf 1 rear portion by being positioned at the leaf 1 forward leaf insertion section 3 of going up, and the angle between the medial surface of the medial surface of insertion section 3 and sliding part 4 is 130 degree, and it is excessively slick and sly that its corner is; Inferior lobe 2 is formed with the inferior lobe fixed part 6 that is positioned at inferior lobe 2 rear portions by being positioned at inferior lobe 2 forward inferior lobe insertion sections 5, and the angle between the lateral surface of the lateral surface of inferior lobe insertion section 5 and inferior lobe fixed part 6 is 100 degree, and it is excessively slick and sly that its corner is; Thereby the rear portion of inferior lobe fixed part 6 is for inserting the movable inserted link 13 that movable inserted link groove 21 that opening is arranged in handle light source portion 14 front ends makes inferior lobe fixed part 6 be connected with handle light source portion 14, and a side of its end has had the triangle baffle plate 30 of fixation; Last leaf 1 and inferior lobe 2 slideway 7 by being positioned at leaf sliding part 4 inside upper part be positioned at inferior lobe insertion section 5 and be connected with the vertical traveller 8 in inferior lobe fixed part 6 intersections, traveller 8 embeds in the chute 9 of slideways 7; The rear end of last leaf sliding part 4 is that subtended angle is regulated slip pushing hands 10, there is shifting axle 12 its below, bottom, this shifting axle 12 stretches in inferior lobe fixed part 6 and the grooves last leaf slip pushing hands 10 corresponding positions, and the two ends of this shifting axle 12 are connected on the two side that links to each other with the bottom of last leaf slip pushing hands 10; Have the dilator subtended angle of the vertical arrangement that is connected as a single entity with the inferior lobe fixed part to regulate retaining teeth groove 11 between the bottom of last leaf slip pushing hands 10 and shifting axle 12, this teeth groove 11 is corresponding with shifting axle 12; Guide lighting channel 22 is made of the bottom that the cross section of being made by the light transmissive material polystyrene is elliptoid inferior lobe 2, and this guide lighting channel 22 is oval spherical formation optically focused head 26 in the increase of the front end place of inferior lobe insertion section 5; Handle light source portion 14 is by handle casing 15 and the battery case 16 that is positioned at handle casing 15, voltage control circuit 17, light source switch 18, reflective basin 19, high brightness spot light lamp bulb 20, and opening is positioned at the movable inserted link groove 21 and the inserted link fixture formation of handle light source portion 14 front ends, handle casing 15 intracavity are forward to withdraw from spring 23 and locating rod 24 is formed to the inserted link fixture by being positioned at, locating rod 24 is a strip structure, its middle part is connected on the ridge 25 on handle casing 15 medial walls by movable axis, its front end is close to by tension spring 31 on the medial wall of handle casing 15 front ends, with the sidewall of the anterior adjacent handle casing 15 of locating rod 24 on have and can withdraw from button 27 to the inserted link that the cavity center of handle casing 15 produces displacement the front end of locating rod 24 front end that makes locating rod 24 of exerting pressure; Also have cell voltage to cross low alarm lamp 28 on the handle light source portion 14.
Figure 10 is the voltage control circuit figure of this utility model embodiment, and element and parameter are among the figure:
R1、R2：1/8W，270Ω
R3：1/8W，100Ω
R4：1/8W，68Ω
Q1、Q2：2SC9014
LED: be common red light emitting diodes
C1: filter capacitor, 2.2uF, 10V
L: high brightness spot light lamp bulb, running voltage be 1.2V-2.2V all can, can determine by regulating R4.
SW1: be micro power switch
LED is that cell voltage is crossed low alarm lamp, and R2, R3 are the cell voltage sample circuit.When cell voltage during greater than 2.5V, press gauge tap SW1, cell voltage is through the sample circuit dividing potential drop, and the R3 both end voltage will make the Q1 saturation conduction greater than Q1 emitter junction threshold voltage (about 0.6V) this moment, and the Q1 current collection is electronegative potential very, it is luminous to be not enough to the driving LED conducting, cell voltage charges to C1 through R4 simultaneously, when the C1 both end voltage reaches Q2 emitter junction threshold level, and Q2 emitter junction forward conduction, Q2 is saturation conduction also, makes bulb L luminous.Otherwise, when cell voltage during less than 2.5V, after the sample circuit dividing potential drop, will be in the pressure drop of R3 two ends less than Q1 emitter junction threshold voltage, Q1 ends, and cell voltage makes the LED forward conduction through R1, LED light is bright, battery need is changed in prompting, this moment bulb L also conducting is luminous, but because of the lower just light of cell voltage a little less than.
Claims (9)
1. disposable light-guiding type vaginal dilator comprises leaf (1) and inferior lobe (2), it is characterized in that it also has handle light source portion (14) and guide lighting channel (22);
Last leaf (1) is formed by being positioned at the forward last leaf sliding part (4) of going up leaf insertion section (3) and being positioned at leaf (1) rear portion of leaf (1), angle between the medial surface of the medial surface of insertion section (3) and sliding part (4) is 130 to 140 degree, and it is excessively slick and sly that its corner is;
Inferior lobe (2) is made up of the inferior lobe fixed part (6) that is positioned at inferior lobe (2) forward inferior lobe insertion section (5) and is positioned at inferior lobe (2) rear portion, angle between the lateral surface of the lateral surface of inferior lobe insertion section (5) and inferior lobe fixed part (6) is 100 to 110 degree, and it is excessively slick and sly that its corner is; The rear portion of inferior lobe fixed part (6) for inserting that opening is arranged in the movable inserted link groove (21) of handle light source portion (14) front end thus the movable inserted link (13) that inferior lobe fixed part (6) is connected with handle light source portion (14), a side of its end has had the triangle baffle plate (30) of fixation; Last leaf (1) and inferior lobe (2) slideway (7) by being positioned at leaf sliding part (4) inside upper part be positioned at inferior lobe insertion section (5) and be connected with the vertical traveller in inferior lobe fixed part (6) intersection (8), traveller (8) embeds in the chute (9) of slideway (7); The rear end of last leaf sliding part (4) is that subtended angle is regulated slip pushing hands (10), there is shifting axle (12) its below, bottom, this shifting axle (12) stretches in inferior lobe fixed part (6) and the groove corresponding position of last leaf slip pushing hands (10), and the two ends of this shifting axle (12) are connected on the two side that links to each other with the bottom of last leaf slip pushing hands (10); Have the dilator subtended angle of the vertical arrangement that is connected as a single entity with the inferior lobe fixed part to regulate retaining teeth groove (11) between the bottom of last leaf slip pushing hands (10) and shifting axle (12), this teeth groove (11) is corresponding with shifting axle (12); Guide lighting channel (22) is made of the bottom that the cross section of being made by light transmissive material is elliptoid inferior lobe (2), and this guide lighting channel (22) is oval spherical formation optically focused head (26) in the front end place of inferior lobe insertion section (5) increase; Handle light source portion (14) is by handle casing (15) and be positioned at the battery case (16) of handle casing (15), voltage control circuit (17), light source switch (18), reflective basin (19), high brightness spot light lamp bulb (20), and opening is positioned at the movable inserted link groove (21) and the inserted link fixture formation of handle light source portion (14) front end, handle casing (15) intracavity is forward to withdraw from spring (23) and locating rod (24) is formed to the inserted link fixture by being positioned at, locating rod (24) is a strip structure, its middle part is connected on the ridge (25) on handle casing (15) medial wall by movable axis, its front end is close to by tension spring (31) on the medial wall of handle casing (15) front end, with the sidewall of the anterior adjacent handle casing (15) of locating rod (24) on have and can withdraw from button (27) to the inserted link that the cavity center of handle casing (15) produces displacement the front end of locating rod (24) front end that makes locating rod (24) of exerting pressure.
2. disposable light-guiding type vaginal dilator according to claim 1 is characterized in that described light transmissive material is a polystyrene.
3. disposable light-guiding type vaginal dilator according to claim 1 and 2 is characterized in that having on the described handle light source portion (14) cell voltage to cross low alarm lamp (28)
4. disposable light-guiding type vaginal dilator according to claim 1 and 2 is characterized in that in the middle inside of inferior lobe fixed part (6) mucus retaining groove (29) being arranged.
5. disposable light-guiding type vaginal dilator according to claim 3 is characterized in that in the middle inside of inferior lobe fixed part (6) mucus retaining groove (29) being arranged.
6. disposable light-guiding type vaginal dilator according to claim 1 and 2 is characterized in that the angle between the medial surface of the medial surface of leaf insertion section (3) and sliding part (4) is 130 degree, and it is excessively slick and sly that its corner is; Angle between the lateral surface of the lateral surface of inferior lobe insertion section (5) and inferior lobe fixed part (6) is 100 degree, and it is excessively slick and sly that its corner is.
7. disposable light-guiding type vaginal dilator according to claim 3 is characterized in that the angle between the medial surface of the medial surface (promptly relative with inferior lobe one side) of leaf insertion section (3) and sliding part (4) is 130 degree, and it is excessively slick and sly that its corner is; Angle between the lateral surface of lateral surface of inferior lobe insertion section (5) (dorsal surface of promptly relative with last leaf one side) and inferior lobe fixed part (6) is 100 degree, and it is excessively slick and sly that its corner also is.
8. disposable light-guiding type vaginal dilator according to claim 4 is characterized in that the angle between the medial surface of the medial surface of leaf insertion section (3) and sliding part (4) is 130 degree, and it is excessively slick and sly that its corner is; Angle between the lateral surface of the lateral surface of inferior lobe insertion section (5) and inferior lobe fixed part (6) is 100 degree, and it is excessively slick and sly that its corner is.
9. disposable light-guiding type vaginal dilator according to claim 5 is characterized in that the angle between the medial surface of the medial surface of leaf insertion section (3) and sliding part (4) is 130 degree, and it is excessively slick and sly that its corner is; Angle between the lateral surface of the lateral surface of inferior lobe insertion section (5) and inferior lobe fixed part (6) is 100 degree, and it is excessively slick and sly that its corner is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201161614U CN2668152Y (en) | 2003-12-04 | 2003-12-04 | Disposable light-guide vaginal dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201161614U CN2668152Y (en) | 2003-12-04 | 2003-12-04 | Disposable light-guide vaginal dilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2668152Y true CN2668152Y (en) | 2005-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201161614U Expired - Fee Related CN2668152Y (en) | 2003-12-04 | 2003-12-04 | Disposable light-guide vaginal dilator |
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| CN (1) | CN2668152Y (en) |
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| CN102934985A (en) * | 2012-10-29 | 2013-02-20 | 上海商联医疗器械有限公司 | Vaginal speculum streamer fixer |
| US9307897B2 (en) | 2010-09-28 | 2016-04-12 | Obp Corporation | Disposable speculum having lateral stabilizing mechanism |
| US9332898B2 (en) | 2005-04-01 | 2016-05-10 | Welch Allyn, Inc. | Vaginal speculum apparatus |
| US9532706B2 (en) | 2014-08-07 | 2017-01-03 | Welch Allyn, Inc. | Vaginal speculum with illuminator |
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| CN110236477A (en) * | 2019-07-10 | 2019-09-17 | 武汉秋雨医疗器械有限公司 | The disposable sterile vaginal dilator of LED wireless lighting source formula |
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| CN102934985B (en) * | 2012-10-29 | 2015-08-19 | 上海忆沐康医疗器械有限公司 | Peep the moon and penetrate light fixture |
| CN102934985A (en) * | 2012-10-29 | 2013-02-20 | 上海商联医疗器械有限公司 | Vaginal speculum streamer fixer |
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| CN110236477A (en) * | 2019-07-10 | 2019-09-17 | 武汉秋雨医疗器械有限公司 | The disposable sterile vaginal dilator of LED wireless lighting source formula |
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| US11622758B2 (en) | 2020-02-25 | 2023-04-11 | Obp Surgical Corporation | Illuminated dual-blade retractor |
| US10966702B1 (en) | 2020-02-25 | 2021-04-06 | Obp Medical Corporation | Illuminated dual-blade retractor |
| CN112603252A (en) * | 2020-12-25 | 2021-04-06 | 湖南省鸿俊广升医疗科技有限公司 | Implantation type device for vaginal examination |
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