CN201959398U

CN201959398U - Vaginal dilator

Info

Publication number: CN201959398U
Application number: CN2011200481677U
Authority: CN
Inventors: 钊文菊; 任钰; 王海玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-02-25
Filing date: 2011-02-25
Publication date: 2011-09-07
Anticipated expiration: 2021-02-25

Abstract

The utility model discloses a vaginal dilator which comprises a supporting rod. A screw installing base is arranged at the upper part of the supporting rod, and two sets of dilating mechanisms are arranged on the screw installing base from up to down and are vertical to each other in space; each dilating mechanism comprises a screw, two nuts and a gear are arranged on the screw, the two nuts are in threaded connection with the screw, and the gear is fixedly connected with the screw; shearing and forking arms are arranged at the two sides of the two nuts respectively, and a movable arc-shaped board is arranged at one end of each shearing and forking arm; the screw installing base is provided with a guide rod which is parallel with the screws, and is positioned under the first screw, and the guide rod is provided with two guide sleeves which are respectively and fixedly connected with the nuts in one-to-one correspondence way; the supporting rod is provided with a guide sleeve which is internally provided with a push-and-pull rod; two racks are respectively arranged at the upper part of the push-and-pull rod and are meshed with two gears; the guide sleeve is internally provided with a locking mechanism which is matched with the push-and-pull rod; and the directions of threads of the tow nuts of the same dilating mechanism are opposite.

Description

Vaginal dilator

Technical field

This utility model relates to a kind of vaginal dilator.

Background technology

At present, repair operation on hymen in the hospital, usually need at least one doctor and a nurse to finish jointly, its reason is that existing colpectasis apparatus also blocks vaginal walls when strutting patient's vagina fully, and the doctor can't be undergone surgery, so, the time can not use existing colpectasis apparatus in operation, and have to please another doctor or the nurse strut with the vagina of hands the patient, and prevent that patient's big nympha from blocking doctor's sight line.From the above,, therefore, make that the labor intensity of hymen repair operation is bigger owing to lack special-purpose colpectasis apparatus, and waste great amount of manpower resource, operation efficient and effect are undesirable.

The utility model content

The purpose of this utility model provides a kind of vaginal dilator, it both can be as requested struts patient's vagina, can not block the position that vaginal walls need be performed the operation again, and the hymen repair operation is finished by single, can improve the efficient and the effect of operation effectively.

This utility model for achieving the above object, be achieved through the following technical solutions: vaginal dilator, comprise support bar, support bar top is provided with the leading screw mount pad, first leading screw is installed on the leading screw mount pad, first nut, the 3rd nut and first gear are installed on first leading screw, first nut is connected with first threads of lead screw respectively with the 3rd nut, first gear is fixedlyed connected with first leading screw, first gear is between first nut and the 3rd nut, and first nut and the 3rd nut lay respectively at leading screw mount pad both sides; One side of first nut and the 3rd nut is installed first and is cut yoke, first end of cutting yoke is installed the first adjustable arc plate, it is hinged that the first adjustable arc plate is cut yoke by first hinge seat and first, the opposite side of first nut and the 3rd nut is installed the 4th and is cut yoke, the 4th end of cutting yoke is installed the 4th adjustable arc plate, and it is hinged that the 4th adjustable arc plate is cut yoke by the 4th hinge seat and the 4th; First guide rod is installed on the leading screw mount pad, first guide rod is parallel with first leading screw and be positioned at the below of first leading screw, movable first fairlead and the 3rd fairlead installed on first guide rod, first fairlead is fixedlyed connected with first nut, and the 3rd fairlead is fixedlyed connected with the 3rd nut; Second leading screw is installed on the leading screw mount pad, second leading screw is vertical with first leading screw and be positioned at the below of first leading screw, the 4th nut, second nut and second gear are installed on second leading screw, the 4th nut is connected with second threads of lead screw respectively with second nut, second gear is fixedlyed connected with second leading screw, second gear is between second nut and the 4th nut, and second nut and the 4th nut lay respectively at leading screw mount pad both sides; One side of second nut and the 4th nut is installed second and is cut yoke, second end of cutting yoke is installed the second adjustable arc plate, it is hinged that the second adjustable arc plate is cut yoke by second hinge seat and second, the opposite side of second nut and the 4th nut is installed the 3rd and is cut yoke, the 3rd end of cutting yoke is installed the 3rd adjustable arc plate, and it is hinged that the 3rd adjustable arc plate is cut yoke by the 3rd hinge seat and the 3rd; Second guide rod is installed on the leading screw mount pad, second guide rod is parallel with second leading screw and be positioned at second leading screw below, movable second fairlead and the 4th fairlead installed on second guide rod, second fairlead is fixedlyed connected with second nut, and the 4th fairlead is fixedlyed connected with the 4th nut; One side of support bar is provided with guide pin bushing, and push-pull bar is installed in the guide pin bushing, second tooth bar and first tooth bar is installed, second tooth bar and first gears engaged, first tooth bar and second gears engaged on the adjacent two side, push-pull bar top respectively; Retaining mechanism is installed in the guide pin bushing, and retaining mechanism cooperates with push-pull bar; The first adjustable arc plate, the second adjustable arc plate, the 3rd adjustable arc plate and the 4th adjustable arc plate fasten and constitute conical expansion head; The hand of spiral of first nut and the 3rd nut is opposite, and the hand of spiral of second nut and the 4th nut is opposite.

In order further to realize the purpose of this utility model, can also be by the following technical solutions: described retaining mechanism be connected and composed by button, gag lever post and spring, offer open-work on the sidewall of second gear, gag lever post is installed in the open-work, one end of gag lever post passes guide pin bushing button is installed outward, the periphery mounting spring of gag lever post, spring is between button and guide pin bushing outer wall; Offer groove on the gag lever post, gag lever post is provided with locating convex block, and locating convex block is positioned at groove; Offer at least two locating slots on the sidewall of push-pull bar, one of them locating slot cooperates with locating convex block.

Good effect of the present utility model is: it be provided with four can vaginal dilation the adjustable arc plate.Under doctor's operation, it both can be closed into, and conical expansion head is convenient to insert intravaginal, can open in intravaginal again vagina is propped up, and makes things convenient for the doctor to perform the operation, and can not block the operative site of vaginal walls can guarantee vaginal dilation the time.Make a doctor just can finish operation separately, can save the human resources, improve operation efficient and effect, and can effectively reduce patient's misery.This utility model also has compactness simple for structure, cheap for manufacturing cost and manipulate easy advantage.

Description of drawings

Fig. 1 is a vaginal dilator structural representation described in the utility model; Fig. 2 is the local structure for amplifying sketch map of the II of Fig. 1; Fig. 3 is that the C-C of Fig. 2 analyses and observe the structure for amplifying sketch map; Fig. 4 is that the A-A of Fig. 1 analyses and observe the structure for amplifying sketch map; Fig. 5 is the local structure for amplifying sketch map of the I of Fig. 4; Fig. 6 is the structural representation of the expansion actuating unit of described expansion head; Fig. 7 is that the B of Fig. 6 is to structural representation; Fig. 8 is the user mode structural representation of Fig. 4, and four blocks of adjustable arc plates are deployed condition among the figure.

Reference numeral: 1 first adjustable arc plate, 2 first hinge seats 3 first are cut yoke 4 first leading screws 5 first nuts 6 first gears 7 pull bars 8 second gears 9 second adjustable arc plates 10 second and are cut yoke 11 second hinge seats 13 second leading screws 14 second tooth bars 15 support bars 16 gag lever posts 17 leading screw mount pads 18 guide pin bushings 19 springs 20 buttons 21 the 3rd nut 22 the 4th nut 23 first fairleads 24 the 3rd fairlead 25 first guide rods 26 second guide rods 27 the 4th fairlead 28 first tooth bars 29 second fairleads 30 second nuts 31 the 3rd and cut yoke 32 the 3rd adjustable arc plate 33 the 4th adjustable arc plate 34 the 4th and cut yoke 35 open-works 36 locating convex blocks 37 locating slots 38 saturating groove 39 the 4th hinge seat 40 the 3rd hinge seats.

The specific embodiment

Vaginal dilator described in the utility model, comprise support bar 15, support bar 15 tops are provided with leading screw mount pad 17, first leading screw 4 is installed on the leading screw mount pad 17, first nut 5, the 3rd nut 21 and first gear 6 are installed on first leading screw 4, first nut 5 and the 3rd nut 21 are threaded with first leading screw 4 respectively, first gear 6 is fixedlyed connected with first leading screw 4, first gear 6 is between first nut 5 and the 3rd nut 21, and first nut 5 and the 3rd nut 21 lay respectively at leading screw mount pad 17 both sides; One side of first nut 5 and the 3rd nut 21 is installed first and is cut yoke 3, first end of cutting yoke 3 is installed the first adjustable arc plate 1, it is hinged that the first adjustable arc plate 1 is cut yoke 3 by first hinge seat 2 and first, the opposite side of first nut 5 and the 3rd nut 21 is installed the 4th and is cut yoke 34, the 4th end of cutting yoke 34 is installed the 4th adjustable arc plate 33, the four adjustable arc plates 33, and to cut yoke 34 by the 4th hinge seat 39 and the 4th hinged; First guide rod 25 is installed on the leading screw mount pad 17, first guide rod 25 is parallel with first leading screw 4 and be positioned at the below of first leading screw 4, movable first fairlead 23 and the 3rd fairlead 24 installed on first guide rod 25, first fairlead 23 and the 3rd fairlead 24 can slide along first guide rod 25 respectively, first fairlead 23 is fixedlyed connected with first nut 5, and the 3rd fairlead 24 is fixedlyed connected with the 3rd nut 21; Second leading screw 13 is installed on the leading screw mount pad 17, second leading screw 13 is vertical with first leading screw 4 and be positioned at the below of first leading screw 4, the 4th nut 22, second nut 30 and second gear 8 are installed on second leading screw 13, the 4th nut 22 and second nut 30 are threaded with second leading screw 13 respectively, second gear 8 is fixedlyed connected with second leading screw 13, second gear 8 is between second nut 30 and the 4th nut 22, and second nut 30 and the 4th nut 22 lay respectively at leading screw mount pad 17 both sides; One side of second nut 30 and the 4th nut 22 is installed second and is cut yoke 10, second end of cutting yoke 10 is installed the second adjustable arc plate 9, it is hinged that the second adjustable arc plate 9 is cut yoke 10 by second hinge seat 11 and second, the opposite side of second nut 30 and the 4th nut 22 is installed the 3rd and is cut yoke 31, the 3rd end of cutting yoke 31 is installed the 3rd adjustable arc plate 32, the three adjustable arc plates 32, and to cut yoke 31 by the 3rd hinge seat 40 and the 3rd hinged; Second guide rod 26 is installed on the leading screw mount pad 17, second guide rod 26 is parallel with second leading screw 13 and be positioned at second leading screw, 13 belows, movable second fairlead 29 and the 4th fairlead 27 installed on second guide rod 26, second fairlead 29 and the 4th fairlead 27 can slide along second guide rod 26 respectively, second fairlead 29 is fixedlyed connected with second nut 30, and the 4th fairlead 27 is fixedlyed connected with the 4th nut 22; One side of support bar 15 is provided with guide pin bushing 18, push-pull bar 7 is installed in the guide pin bushing 18, push-pull bar 7 can move along guide pin bushing 18 straight lines, guide pin bushing 18 play the guiding role for push-pull bar 7, as shown in Figure 5, second tooth bar 14 and first tooth bar, 28, the

second tooth bars

14 and 6 engagements of first gear are installed,

first tooth bar

28 and 8 engagements of second gear on the adjacent two side, push-pull bar 7 tops respectively; Retaining mechanism is installed in the guide pin bushing 18, and retaining mechanism cooperates with push-pull bar 7, after push-pull bar 7 relative guide pin bushing 18 straight lines move a certain distance, and the relative position of described retaining mechanism lockable push-pull bar 7 and guide pin bushing 18; The first adjustable arc plate 1, the second adjustable arc plate 9, the 3rd adjustable arc plate 32 and the 4th adjustable arc plate 33 fasten and constitute conical expansion head; The hand of spiral of first nut 5 and the 3rd nut 21 is opposite, and the hand of spiral of second nut 30 and the 4th nut 22 is opposite.Described first leading screw 4, first nut 5, first gear 6, push-pull bar 7, second gear 8, second leading screw 13, second tooth bar 14, support bar 15, leading screw mount pad 17, guide pin bushing 18, the 3rd nut 21, the 4th nut 22, first fairlead 23, the 3rd fairlead 24, first guide rod 25, second guide rod 26, the 4th fairlead 27, first tooth bar 28, second fairlead 29, second nut 30 and retaining mechanism connect and compose the expansion actuating unit of expansion head.

During operation, earlier described expansion head is inserted patient's intravaginal, and make the expansion head pass operative site, be positioned at the inboard of operative site, guarantee that operative site is not blocked; Promote push-pull bar 7 again, push-pull bar 7 drives second tooth bar 14 and first tooth bar, 28 straight lines move, and second tooth bar 14 drives first leading screw 4 by first gear 6 and rotates, and first tooth bar 28 drives second leading screw 13 by second gear 8 and rotates; Because the hand of spiral of first nut 5 and the 3rd nut 21 is opposite, first leading screw 4 is also inevitable opposite with the hand of spiral of the part that first nut 5 and the 3rd nut 21 cooperate respectively, therefore, first leading screw 4 can make first nut 5 and the 3rd nut 21 move in the opposite direction when rotating, thereby as shown in Figure 8, first nut 5 and the 3rd nut 21 drive the first adjustable arc plate 1 respectively and the 4th adjustable arc plate 33 stretches, and the first adjustable arc plate 1 and the 4th adjustable arc plate 33 are strutted; In like manner, second leading screw 13 rotates drive second nut 30 and the 4th nut 22 is mobile towards in the other direction, second nut 30 and the 4th nut 22 drive second respectively and cut yoke 10 and the 3rd and cut yoke 31 and stretch, and the second adjustable arc plate 9 and the 3rd adjustable arc plate 32 are opened.As shown in Figure 8, the first adjustable arc plate 1, the 3rd adjustable arc plate 32, the 4th adjustable arc plate 33 and the second adjustable arc plate 9 strut vagina, utilize described retaining mechanism with the locking position of push-pull bar 7 with guide pin bushing 18, thereby prevent that described expansion head from shrinking under the pressure of vagina, make the doctor convenient at intravaginal reparation hymen.

As Fig. 1, Fig. 2 and shown in Figure 3, described retaining mechanism can be connected and composed by button 20, gag lever post 16 and spring 19, offer open-work 35 on the sidewall of second gear 8, gag lever post 16 is installed in the open-work 35, one end of gag lever post 16 passes the guide pin bushing 18 outer buttons 20 of installing, the periphery mounting spring 19 of gag lever post 16, spring 19 is between button 20 and guide pin bushing 18 outer walls, and spring 19 provides pretightning force for button 20; Offer groove 38 on the gag lever post 16, gag lever post 16 is provided with locating convex block 36, and locating convex block 36 is positioned at groove 38; Offer at least two locating slots 37 on the sidewall of push-pull bar 7, one of them locating slot 37 cooperates with locating convex block 36.When need when guide pin bushing 18 moves push-pull bar 7, the hands that the doctor holds guide pin bushing 18 is pressing keys 20 simultaneously, button 20 drives locating convex block 36 by gag lever post 16 to be separated with locating slot 37, the constraint that this moment, push-pull bar 7 lost locating convex block 36 can be moved relative to guide pin bushing 18 free straight lines, and the expansion of described expansion head is opened or closure; Make 36 pairs of another locating slot 37 and locating convex blocks seasonable when push-pull bar 7 moves, only need unclamp button 20, button 20 can reset under the elastic force effect of spring 19, and locating convex block 36 cooperates with locating slot 37 locking position of push-pull bar 7 with guide pin bushing 18.For making described expansion head have a plurality of latched positions of opening amplitude, three, four, five or more locating slots 37 can be set on the push-pull bar 7, different locating slots 37 cooperate with locating convex block 36, and the latched position of expansion head is also different, and the doctor can freely select according to patient's the bodily form.

Described retaining mechanism also can be the bolt that is installed on guide pin bushing 18 outer walls, and an end of bolt passes guide pin bushing 18 and contacts with leading screw mount pad 17.When the mobile push-pull bar 7 of need, unscrew described bolt, bolt is separated with push-pull bar 7, after push-pull bar 7 moves to desired location, screw bolt again, utilize friction between bolt and push-pull bar 7 sidewalls with the relation locking of the position between push-pull bar 7 and the guide pin bushing 18.

This utility model not part of detailed description is known technology.

Claims

1. vaginal dilator, it is characterized in that: comprise support bar (15), support bar (15) top is provided with leading screw mount pad (17), leading screw mount pad (17) is gone up first leading screw (4) is installed, first leading screw (4) is gone up first nut (5) is installed, the 3rd nut (21) and first gear (6), first nut (5) and the 3rd nut (21) are threaded with first leading screw (4) respectively, first gear (6) is fixedlyed connected with first leading screw (4), first gear (6) is positioned between first nut (5) and the 3rd nut (21), and first nut (5) and the 3rd nut (21) lay respectively at leading screw mount pad (17) both sides; One side of first nut (5) and the 3rd nut (21) is installed first and is cut yoke (3), first end of cutting yoke (3) is installed the first adjustable arc plate (1), it is hinged that the first adjustable arc plate (1) is cut yoke (3) by first hinge seat (2) and first, the opposite side of first nut (5) and the 3rd nut (21) is installed the 4th and is cut yoke (34), the 4th end of cutting yoke (34) is installed the 4th adjustable arc plate (33), and it is hinged that the 4th adjustable arc plate (33) is cut yoke (34) by the 4th hinge seat (39) and the 4th; Leading screw mount pad (17) is gone up first guide rod (25) is installed, first guide rod (25) is parallel with first leading screw (4) and be positioned at the below of first leading screw (4), first guide rod (25) is gone up movable first fairlead (23) and the 3rd fairlead (24) installed, first fairlead (23) is fixedlyed connected with first nut (5), and the 3rd fairlead (24) is fixedlyed connected with the 3rd nut (21); Leading screw mount pad (17) is gone up second leading screw (13) is installed, second leading screw (13) is vertical with first leading screw (4) and be positioned at the below of first leading screw (4), second leading screw (13) is gone up the 4th nut (22) is installed, second nut (30) and second gear (8), the 4th nut (22) and second nut (30) are threaded with second leading screw (13) respectively, second gear (8) is fixedlyed connected with second leading screw (13), second gear (8) is positioned between second nut (30) and the 4th nut (22), and second nut (30) and the 4th nut (22) lay respectively at leading screw mount pad (17) both sides; One side of second nut (30) and the 4th nut (22) is installed second and is cut yoke (10), second end of cutting yoke (10) is installed the second adjustable arc plate (9), it is hinged that the second adjustable arc plate (9) is cut yoke (10) by second hinge seat (11) and second, the opposite side of second nut (30) and the 4th nut (22) is installed the 3rd and is cut yoke (31), the 3rd end of cutting yoke (31) is installed the 3rd adjustable arc plate (32), and it is hinged that the 3rd adjustable arc plate (32) is cut yoke (31) by the 3rd hinge seat (40) and the 3rd; Leading screw mount pad (17) is gone up second guide rod (26) is installed, second guide rod (26) is parallel with second leading screw (13) and be positioned at second leading screw (13) below, second guide rod (26) is gone up movable second fairlead (29) and the 4th fairlead (27) installed, second fairlead (29) is fixedlyed connected with second nut (30), and the 4th fairlead (27) is fixedlyed connected with the 4th nut (22); One side of support bar (15) is provided with guide pin bushing (18), push-pull bar (7) is installed in the guide pin bushing (18), second tooth bar (14) and first tooth bar (28) are installed respectively on the adjacent two side, push-pull bar (7) top, second tooth bar (14) and first gear (6) engagement, first tooth bar (28) and second gear (8) engagement; Retaining mechanism is installed in the guide pin bushing (18), and retaining mechanism cooperates with push-pull bar (7); The first adjustable arc plate (1), the second adjustable arc plate (9), the 3rd adjustable arc plate (32) and the 4th adjustable arc plate (33) fasten and constitute conical expansion head; The hand of spiral of first nut (5) and the 3rd nut (21) is opposite, and the hand of spiral of second nut (30) and the 4th nut (22) is opposite.

2. vaginal dilator according to claim 1, it is characterized in that: described retaining mechanism is connected and composed by button (20), gag lever post (16) and spring (19), offer open-work (35) on the sidewall of second gear (8), gag lever post (16) is installed in the open-work (35), one end of gag lever post (16) passes the outer button (20) of installing of guide pin bushing (18), the periphery mounting spring (19) of gag lever post (16), spring (19) are positioned between button (20) and guide pin bushing (18) outer wall; Offer groove (38) on the gag lever post (16), gag lever post (16) is provided with locating convex block (36), and locating convex block (36) is positioned at groove (38); Offer at least two locating slots (37) on the sidewall of push-pull bar (7), one of them locating slot (37) cooperates with locating convex block (36).