CN207928305U - Vaginal speculum with connection ring - Google Patents

Abstract

The utility model discloses a kind of vaginal speculums with connection ring, including handle, sight glass head, the handle is equipped with connection ring, connection ring connects in succession with sight glass headgear, is achieved a fixed connection by the clamping connection type of the lock of protrusion and the indent locked groove to match with lock between connection ring and sight glass head.The beneficial effects of the utility model：Due to the setting of connection ring so that between sight glass head and handle can with split settings, and due between connection ring and sight glass head pass through lock, lockhole（Or groove）Clamping connection, and by latch outer rim to locked groove bottom surface difference value be 1.2mm, so that the clamping power between sight glass head and connection ring can both make doctor obtain good feel in assembly and disassembly sight glass head, it is also ensured between sight glass head and connection ring and cannot be loosened after in diagnosis and treatment, sight glass head is facilitated to disengage or assemble with handle in this way, be conducive to the dismounting disinfection or disposable discarded of sight glass head, it is ensured that patient will not cross one another infection.

Description

Vaginal speculum with connection ring

Technical field

The utility model is related to the field of medical instrument technology more particularly to a kind of vagina for vaginal disease diagnosis and treatment to peep Mirror.

Background technology

The effect of vaginal speculum is to stretch into vagina by upper duckbilled piece, the lower duckbilled piece being hingedly connected together, and then will Vagina opens, and doctor is by visual observation or the situation of vagina intra focal is observed in the methods of camera shooting.Vaginal speculum Handle and lower duckbilled piece are usually all linked together, if Patent Office of the People's Republic of China is in the notification number of the Granted publication on the 21st of August in 2013 For the patent of invention of CN102525392B, the patent of invention of Publication No. CN102934984A disclosed on 2 20th, 2013 with And the notification number of the June in 2016 of Granted publication on the 1st is the utility model patent of CN205268137U, the vagina described in these patents The handle of sight glass is linked together with lower duckbilled piece.It is generally known that the moon of upper and lower the duckbilled piece and patient of vaginal speculum Road is in direct contact, and is inevitably contaminated, and is crossed one another infection to prevent patient, vaginal speculum it is upper, It has to solve by stringent immersing type disinfection or by disposable method before lower duckbilled piece diagnosis and treatment, it is aobvious and easy See, handle is linked together with lower duckbilled piece, and lower duckbilled piece is hingedly connected together with upper duckbilled piece, and to sterilize must be together with handle It sterilizes together, and is often provided with the components such as camera, electronic control system in handle, these electronic components cannot be with liquid Body contact, it must remove before disinfection, be assembled again after disinfection in advance, various formalities are cumbersome.If using disposably making Method is discarded since these electronic components are expensive together with handle, very uneconomical, can give patient with To be difficult to the high cost of medical service born.

Invention content

To overcome drawbacks described above, the utility model technical issues that need to address to be to provide a kind of vagina with connection ring Sight glass facilitates the be articulated and connected sight glass head to be formed and handle of upper and lower duckbilled piece to disengage or assemble, is conducive to the dismounting disinfection of sight glass head It is or disposable discarded, it is ensured that patient will not cross one another infection.

The technical solution adopted in the utility model is：A kind of vaginal speculum with connection ring, including handle, sight glass head, The handle is equipped with connection ring, and connection ring connects in succession with sight glass headgear, passes through the lock of protrusion between connection ring and sight glass head It achieves a fixed connection with the clamping connection type of the indent locked groove to match with lock.

The sight glass head is collectively formed by upper duckbilled piece and the articulated connection of lower duckbilled piece, due to being provided with connection on handle Ring so that sight glass head can be with split settings with handle.Sight glass head can be socketed in the peripheral side of connection ring, can also the company of being socketed in Connect the inner circumferential side of ring, it is preferable that connection ring is socketed in the peripheral side of sight glass head.The lock of the protrusion can be arranged in connection ring Madial wall on, can also be arranged on the peripheral surface of sight glass head, it is preferable that lock be arranged on the peripheral surface of sight glass head, this The locked groove of sample indent is just arranged on the madial wall of connection ring.The lock clamping of sight glass head peripheral side is connected to the locked groove of connection ring The middle reliable clamping connection of realization so that the dismounting, assembling between sight glass head and connection ring are very convenient, are conducive to sight glass head Disinfection with it is disposable discarded, it is ensured that patient will not cross one another infection in diagnosis and treatment.

Preferably, the lock is located on sight glass head, the locked groove is located in connection ring.Be conducive to simplify mold in this way Structure, reduce manufacturing cost.

Preferably, the one end open of the locked groove, open end is located in the outer rim of connection ring, the other end bottom surface of locked groove It is equipped with the lockhole of the groove or perforation that match with lock.Locked groove one end setting opening so that lock can be easily from locked groove Opening enter locked groove, facilitate the assembly and disassembly that connection is clamped between sight glass head and connection ring；The setting of the locked groove other end is recessed Slot or lockhole, in this way lock enter groove or lockhole from locked groove, it can be ensured that the clamping connection between sight glass head and connection ring Reliably；Whether the clamping connection that lockhole is through with conducive to confirming between sight glass head and connection ring is clamped in place.

Preferably, being circumferentially extended on the peripheral surface for latching in sight glass head and along sight glass head, circumferentially extending is latched Both ends are equipped with arcuate guide slope.It is oriented to being provided with conducive to the assembly and disassembly of connection are clamped between sight glass head and connection ring for slope.

Preferably, the junction of the groove or lockhole and locked groove is equipped with arc-shaped transition slope.The setting of transition slope also has Conducive to being clamped the assembly and disassembly of connection between sight glass head and connection ring.

Preferably, the lock outer surface is more than locked groove bottom surface to connection ring to sight glass head central shaft apart from maximum value Central shaft apart from maximum value, the difference of the two is 1 to 1.5mm.Only lock outer surface to sight glass head central shaft distance most Big value is more than locked groove bottom surface to connection ring central shaft apart from maximum value, and lock could enter groove or lockhole, in this way can be true The clamping connection protected between sight glass head and connection ring is reliable.The difference of the two is 1 to 1.5mm.If the difference of the two is excessive, The clamping power of lock and groove or lockhole will tension, doctor can feel painstaking in assembly and disassembly sight glass head；If the two Difference is too small, and the clamping power of lock and groove or lockhole will be excessively loose, and unexpected loosening would tend to occur in sight glass head, is unfavorable for curing Raw diagnosis and treatment.

Preferably, both described difference is 1.2mm.It is described lock lockhole between clamping power indicated with x,, wherein k is safety coefficient, and f is the confficient of static friction between lock and locked groove, μ To connect the Poisson's ratio of ring material, σ is elastic limit, and δ is the thickness of connection ring, and θ is the central angle of otic placode, and E is springform Amount, h are that lock outer surface is maximum at a distance from locked groove bottom surface to connection ring central shaft apart from maximum value to sight glass head central shaft The difference of value, h values 1.2mm, R are the arc radius for being oriented to slope, and r is the arc radius of transition slope.By calculating, when h values When 1.2mm, it is good that the clamping power between sight glass head and connection ring can both be such that doctor is obtained in assembly and disassembly sight glass head Feel is also ensured between sight glass head and connection ring and cannot be loosened after in diagnosis and treatment.

The beneficial effects of the utility model：Due to the setting of connection ring so that seperated can be set between sight glass head and handle It sets, and due to passing through lock, lockhole between connection ring and sight glass head（Or groove）Clamping connection, and will lock outer surface to peeping The difference value apart from maximum value maximum value at a distance from locked groove bottom surface to connection ring central shaft of optical center axis is 1.2mm, So that the clamping power between sight glass head and connection ring can both make doctor obtain good feel in assembly and disassembly sight glass head, It is also ensured between sight glass head and connection ring in diagnosis and treatment and cannot be loosened after so that it is convenient to which sight glass head is disengaged with handle Or assembling, be conducive to the dismounting disinfection or disposable discarded of sight glass head, it is ensured that patient will not cross one another infection.

Description of the drawings

Fig. 1 is a kind of structural upright schematic diagram of the utility model；

Fig. 2 is the stereoscopic schematic diagram of the utility model connection ring；

Fig. 3 is the stereoscopic schematic diagram of the utility model sight glass head；

Fig. 4 is the stereoscopic schematic diagram of the utility model handle；

Fig. 5 is schematic cross-sectional view when the utility model lock is in clamped condition；

Fig. 6 is the enlarged diagram in the portions N in Fig. 5；

Fig. 7 is the schematic cross-sectional view of the utility model light compensating apparatus；

Fig. 8 is the portions the L enlarged diagram in Fig. 7；

Fig. 9 is the portions the M enlarged diagram in Fig. 4.

In figure：Sight glass head 1, connection ring 2, handle 3, otic placode 4, lockhole 5, locked groove 6, card seam 7, grab 8, lock lack 9, jam plate 10, lock 11, lower duckbilled piece 12, upper duckbilled piece 13, the second isolation board 14, the first isolation board 15, video portion 16, trapezoidal protrusion 17, hand-held part 18, transition shoulder 19, camera 20, diffusion layer 21, every photosphere 22, shoulder block 23, outstanding bucket 24, supplementary lighting sources 25, every light Circle 26, card slot 27, slope 28.

Specific implementation mode

Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model work is further specifically retouched It states：

Embodiment：A kind of vaginal speculum with connection ring, as shown in Figure 1, including handle 3, connection ring 2, sight glass head 1, The sight glass head 1 connects to realize and handle 3 by the clamping of clamping connection and connection ring 2 and handle 3 with connection ring 2 It is connected, so that sight glass head 1 is securely fixed connection on the handle 3, meet diagnosis and treatment demand of the doctor to patient, while again Sight glass head 1 can quickly and easily be disassembled from handle 3, in favor of the disinfection of sight glass head 1 or disposable, Prevent the hidden danger that cross-infection occurs from each other in patient.

As shown in figure 3, hollow sight glass head 1 is equipped with the upper duckbilled piece 13 of articulated connection, lower duckbilled piece 12, lower duckbilled piece 12 are linked together with sight glass head 1, and one end end of the sight glass head 1 far from upper duckbilled piece 13 is outward extended with a pair of of jam plate 10, this is right Jam plate 10 axisymmetricly arranges that this is formed between jam plate 10 is in relative to 1 central shaft of sight glass head relative to 1 central shaft of sight glass head The lock of axial symmetry arrangement lacks 9, and lock lacks 9 one end and closes one end open, locks and lacks width of the width of 9 open ends more than blind end, institute It states jam plate 10 and is equipped with lock 11, lock 11 circumferentially extends on the peripheral surface of sight glass head 1 and along sight glass head 1.

As shown in fig. 4, fig. 9, the handle 3 is common by hand-held part 18, transition shoulder 19 and the video portion 16 being arranged in order Constitute, the outer diameter of transition shoulder 19 is more than the outer diameter in video portion 16, transition shoulder 19 towards video portion 16 end face along the outer of screen portion Surface is outward extended with trapezoidal raised 17, trapezoidal raised 17 and is linked together with video portion 16, trapezoidal raised 17 shape and Fig. 3 institutes The lock shown lacks 9 and matches；Video portion 16 is equipped with pair of circumferentially-extending card slot 27 at the position for being close to transition shoulder 19, this is to card slot The 27 opposite central shafts with handle 3 axisymmetricly arrange that one end end face of card slot 27 is slope 28, and slope 28 is located at trapezoidal protrusion On 17.

As shown in Figure 1 and Figure 2, the connection ring 2 towards 18 one end of hand-held part inner peripheral surface be equipped with it is pair of circumferentially-extending simultaneously The grab 8 to match with card slot 27 shown in Fig. 9,8 projected direction of grab is vertical with the side wall of connection ring 2, and grab 8 is outwardly protruding Outer rim is arc surface, which axisymmetricly arranges, in grab on the side wall of connection ring 2 Axially extending card seam 7, the 7 one end open one end closing of card seam, the open end direction of card seam 7 are respectively arranged on the outside of 8 both ends Hand-held part 18.A pair of of otic placode 4 is extended in the end face of the connection ring 2 towards 1 one end of sight glass head to 1 direction of sight glass head, this is to ear Plate 4 axisymmetricly arranges that otic placode 4 is equipped with the lockhole 5 that lock 11 as shown in figure 3 matches relative to the central shaft of connection ring 2, The locked groove 6 to match with lock 11 is provided between the outer rim of 4 side of lockhole 5 and otic placode, locked groove 6 is parallel with the end face of connection ring 2, Locked groove 6 is located on the madial wall of connection ring 2, the one end open of locked groove 6, and open end is located in the outer rim of connection ring 2, and locked groove 6 is opened The depth at mouthful end slightly larger than locked groove 6 close to the depth of 5 one end of lockhole, the plane of symmetry of two grabs 8 with two latch 11 it is symmetrical Face is vertical, and the sum of the extension total length of the length that grab 8 extends and lockhole 5, locked groove 6 is less than the length that card slot 27 extends.

As shown in Figure 5, Figure 6, connection ring 2 is socketed in the peripheral side of sight glass head 1, and lock 11 is located in lockhole 5, latches 11 Both ends are equipped with arcuate guide slope, and lockhole 5 and the junction of locked groove 6 are equipped with arc-shaped transition slope, 11 outer surfaces of the lock to sight glass First 1 central shaft is more than 6 bottom surface of locked groove to 2 central shaft of connection ring apart from maximum value apart from maximum value.The lock 11 and lock Clamping power between hole 5 indicates with x,, wherein k is safety coefficient, and f is lock Confficient of static friction between 11 and locked groove 6, μ are the Poisson's ratio of 2 material of connection ring, and σ is elastic limit, and δ is the thickness of connection ring 2 Degree, θ are the central angle of otic placode 4, and E is elasticity modulus, and h is to latch 11 outer surfaces to 1 central shaft of sight glass head apart from maximum value With the difference of maximum value at a distance from 6 bottom surface of locked groove to 2 central shaft of connection ring, R is the arc radius for being oriented to slope, and r is transition slope Arc radius.By calculating, as h value 1.2mm, the clamping power x between lock 11 and lockhole 5 is about 30 Ns, meets human body Engineering principles, the clamping power between such sight glass head 1 and connection ring 2 can both make doctor in assembly and disassembly sight glass head 1 Good feel is obtained, is also ensured between sight glass head 1 and connection ring 2 and cannot be loosened after in diagnosis and treatment.

As shown in Figure 7, Figure 8, sight glass head 1 is socketed in 16 peripheral side of video portion of handle 3, the lower duckbilled piece on sight glass head 1 12 towards upper duckbilled piece 13 one side be equipped with hollow cavity, video portion 16 be equipped with camera 20 and with camera 20 The peripheral side of the supplementary lighting sources 25 arranged in the same direction, camera 20 is socketed with every aperture 26, and supplementary lighting sources 25 are arranged in every aperture 26 Peripheral side, supplementary lighting sources 25 arrange that the cavity is being mended rearward in the shooting direction of camera 20 relative to camera 20 The front side of 25 direction of illumination of radiant is equipped with the second transparent isolation board 14, and supplementary lighting sources 25 are connected to the interior of the second isolation board 14 On surface, the second isolation board 14 is equipped with through-hole at the position of camera 20, and the side wall of through-hole is along the side that supplementary lighting sources 25 irradiate To outstanding bucket 24 is extended outward, the internal diameter formation shoulder block 23 that internal diameter of the bucket 24 far from 20 one end of camera is more than the other end is hanged, is hanged Be equipped with the first isolation board 15 in 24 internal diameter big ends of bucket, the first isolation board 15 is connected on shoulder block 23, camera 20 with every aperture 26 It is connected to respectively on the inner surface of the first isolation board 15.On the peripheral surface of the inner surface of the outstanding bucket 24 and the first isolation board 15 The peripheral surface of whole frosted processing, the inner surface and the first isolation board 15 that make outstanding bucket 24 becomes diffusion layer 21, and is dissipating simultaneously Coated on photosphere 21 it is pitch-dark, make it is pitch-dark become every photosphere 22.

The assembling of the utility model：1, connection ring 2 had into the peripheral side that one end of otic placode 4 is socketed in sight glass head 1, sight glass Lock 11 on first 1 jam plate 10 is directed at 6 open end of locked groove on 2 otic placode 4 of connection ring, and be rotatably connected ring 2, makes lock 11 along lock Slot 6 enters the realization of lockhole 5 and connects and fixes connection；2, the lock on sight glass head 1 is lacked trapezoidal convex in 9 alignment handle, 3 video portion 16 17 indentations are played, the grab 8 in connection ring 2 has been directed at card slot 27 at this time, and sight glass head 1 is achieved that after grab 8 slides into card slot 27 It is connect with the clamping of handle 3, the lock for being located at matching due to trapezoidal raised 17 lacks in 9 so that the card between sight glass head 1 and handle 3 It is connected in and is fixedly connected in succession.

The dismounting of the utility model：1, with 30 Ns or so push dynamic connection ring 2 rotate, make lock 11 skid off lockhole 5 into Enter locked groove 6, continues to press on the rotation of connection ring 2, lock 11 is made to be skidded off from the open end of locked groove 6；2, sight glass head 1 is regarded from handle 3 It extracts in frequency portion 16；3, connection ring 2 is reversely rotated, the grab 8 of connection ring 2 is made to be skidded off from the slope of card slot 27 28, grab 8 and card Slot 27 is detached from clamped condition；4, connection ring 2 is extracted from handle 3.

From the assembly and disassembly of the utility model as can be seen that sight glass head 1 and handle 3 assemble and disengage it is very convenient, Fast, meet base of principle of human engineering, be conducive to the dismounting of sight glass head 1 disinfection or disposable discarded, it is ensured that patient will not be mutual Cross-infection.

Claims (7)

1. a kind of vaginal speculum with connection ring, including handle, sight glass head, it is characterised in that：The handle is equipped with connection Ring, connection ring connect in succession with sight glass headgear, pass through the lock of protrusion and the indent to match with lock between connection ring and sight glass head The clamping connection type of locked groove achieves a fixed connection.

2. the vaginal speculum according to claim 1 with connection ring, it is characterised in that：The lock is located at sight glass head On, the locked groove is located in connection ring.

3. the vaginal speculum according to claim 2 with connection ring, it is characterised in that：The one end open of the locked groove, Open end is located in the outer rim of connection ring, and the other end bottom surface of locked groove is equipped with the lockhole of the groove or perforation that match with lock.

4. the vaginal speculum according to claim 1 or 2 or 3 with connection ring, it is characterised in that：It is described to latch in sight glass It is circumferentially extended on the peripheral surface of head and along sight glass head, the both ends for latching circumferentially extending are equipped with arcuate guide slope.

5. the vaginal speculum according to claim 3 with connection ring, it is characterised in that：The groove or lockhole and locked groove Junction be equipped with arc-shaped transition slope.

6. the vaginal speculum according to claim 2 with connection ring, it is characterised in that：The lock outer surface is to sight glass Head central shaft is more than locked groove bottom surface to connection ring central shaft apart from maximum value apart from maximum value, the difference of the two be 1 to 1.5mm。

7. the vaginal speculum according to claim 2 with connection ring, it is characterised in that：Both described difference is 1.2mm。