CN118844924B

CN118844924B - A disposable retractable vaginal speculum with self-contained light source

Info

Publication number: CN118844924B
Application number: CN202411201813.7A
Authority: CN
Inventors: 李芳菲; 叶明侠; 王铭洋; 李明霞; 高原; 张婷婷; 闫志风; 李立安; 孟元光
Original assignee: First Medical Center of PLA General Hospital
Current assignee: First Medical Center of PLA General Hospital
Priority date: 2024-08-29
Filing date: 2024-08-29
Publication date: 2025-03-18
Anticipated expiration: 2044-08-29
Also published as: CN118844924A

Abstract

The present invention discloses a disposable retractable speculum with its own light source, which belongs to the field of medical devices. It comprises a lower leaf handle and an upper leaf handle, and the lower leaf handle and the upper leaf handle are hinged by an upper and lower leaf hinge shaft arranged between the two, and a reset spring is fixedly connected between the bottom ends of the lower leaf handle and the upper leaf handle: both ends of the lower leaf handle and the upper leaf handle on opposite sides are fixedly connected to limiting flanges, the lower leaf handle is slidably connected to the lower leaf through two limiting flanges, and the upper leaf handle is slidably connected to the upper leaf through two limiting flanges, and a movable groove is provided through the upper leaf handle, and one end of the lower leaf and the upper leaf are fixedly connected to a push-pull rod. The present application can adjust the extension length of the lower leaf and the upper leaf by setting an extension component, thereby avoiding the problem in the prior art that the specifications of the speculum need to be changed during operation, and reducing the discomfort of patients during gynecological examinations.

Description

Disposable telescopic vaginal speculum with light source

Technical Field

The invention relates to the field of medical equipment, in particular to a disposable telescopic vaginal speculum with a light source.

Background

Because of the special physiological structure of women, the vaginal speculum is an indispensable medical instrument in clinical gynecological examination, is used for examining the abnormal conditions of the cervical orifice and the vagina of women, and creates conditions for various uterine cavity operations. The metal materials capable of being repeatedly disinfected and sterilized are mostly adopted for the vaginal speculum in early stage, so that the use cost is reduced, the risk of cross infection among diseases is increased, the requirements of the vaginal speculum are greatly increased along with the improvement of people consciousness and living standard, and the vaginal speculum made of disposable plastic materials is generated. However, in the current clinical work, we still find that there is room for improvement and a need.

For example, the clinical vaginal speculum must be used by means of an external light source (usually a floor-type incandescent lamp) to observe the cervical orifice and the internal condition of the vagina, but in the process, due to the limitation of the body position (bladder lithotomy position) of a patient, a doctor is positioned between the patient and the external light source, the head often shields the light at the rear side to form a peeping dark area, the observation field is affected after the head is moved, and in addition, under special conditions such as power failure, the observation cannot be continued, so that a lot of inconvenience is caused.

In addition, as the depth of the vagina of different patients or the depth of the stump of the vagina in different operation modes are different, the operation process needs to be changed in spite of the current different types of vaginoscope, so that the vision is fully exposed, but discomfort such as pain can be brought to the patients in the gynecological examination process.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a disposable telescopic vaginal speculum with a light source.

In order to solve the problems, the invention adopts the following technical scheme.

A disposable telescopic vaginal speculum with a light source comprises a lower leaf handle and an upper leaf handle, wherein the lower leaf handle and the upper leaf handle are hinged through an upper shaft and a lower shaft She Jiaojie shaft which are arranged in the middle of the lower leaf handle and the upper leaf handle, a reset spring is fixedly connected between the lower leaf handle and the bottom end of the upper leaf handle, two opposite sides of the lower leaf handle and the upper leaf handle are fixedly connected with limit flanges, the lower leaf handle is connected with the lower leaf through two limit flanges in a sliding manner, the upper leaf handle is connected with the upper leaf through two limit flanges in a sliding manner, a movable groove is formed in the upper leaf handle in a penetrating manner, the lower leaf end and the upper leaf end are fixedly connected with push-pull rods, the two push-pull rods are arranged in a sliding manner in a penetrating manner, one ends of the two push-pull rods extending to the outside of the upper She Bashou are provided with a recovery disassembly assembly, one ends of the two rods are detachably connected with an extension assembly through the recovery disassembly assembly, and the extension assembly is used for adjusting the extension length of the lower leaf and the upper leaf.

Optionally, retrieve and dismantle the subassembly including with push-and-pull rod one end fixed connection's connecting cylinder, the draw-in groove has been seted up in the outer disc of connecting cylinder run through, the connecting cylinder is inside cup joint with extension subassembly, and the inside locking bolt that is equipped with locking connecting cylinder and extension subassembly of draw-in groove.

Optionally, the extension assembly comprises a limit assembly arranged at one end of the upper blade handle, the lower end of the limit assembly is fixedly connected with a fixing strip, an upper extension rod and a lower extension rod are respectively connected in the connecting cylinder of the recovery disassembly assembly through bolts, the upper extension rod and the lower extension rod are connected with the fixing strip in a sliding penetrating manner, one ends of the upper extension rod and the lower extension rod are fixedly connected with a ball installation sliding seat, the inside of the ball installation sliding seat is in spiral transmission connection with a screw rod push rod, one end of the screw rod push rod is in rotational connection with the fixing strip, and a rotational fit assembly for matching with the upper She Bashou is arranged on the upper extension rod.

Optionally, an outer circular surface at one end of the upper extension rod is provided with a propulsion value scale line for reading the propulsion degree of the lower leaf and the upper leaf.

Optionally, the upper extension rod is divided into two sections, and a rotating fit assembly is arranged at the middle position of the two sections.

Optionally, the rotating fit assembly comprises a U-shaped frame fixedly connected with one end of one section of the extension rod, a roller body fixedly connected with one end of the other section of the extension rod, two ends of the roller body are rotatably connected with the U-shaped frame, a semicircular gear is fixedly connected with the outer circular surface of the roller body, a vagina angle measuring assembly is arranged at the top end of the semicircular gear, a driven gear is rotatably connected inside the U-shaped frame, and the semicircular gear is meshed with the driven gear.

Optionally, vagina angle measurement subassembly is including seting up the rotation groove on one of them section extension pole to and fixed mounting in the connecting plate of semicircle gear upper end, the arc scale plate of connecting plate upper end rigid coupling, and arc scale plate one side is equipped with opens the angle scale mark, and the arc scale plate lower extreme runs through the rotation groove setting.

Optionally, spacing subassembly includes the dead lever with last leaf handle fixed connection, dead lever upper end fixed connection goes up the arc pole, fixed bar upper end fixed connection is the arc cover down, go up arc pole sliding connection in the arc cover is inside down, and go up the arc pole and all offer the screw locking hole down between the arc cover, and go up arc pole and utilize screw locking hole threaded connection fixing bolt with lower arc cover.

Optionally, the lower leaf handle, the upper leaf handle, the lower leaf, the upper leaf and the push-pull rod are all made of PMMA resin light guide materials.

Optionally, the top is equipped with the LED cold light source in the upper lobe, upper lobe handle one end is equipped with the lamp source switch that control LED cold light source was opened and close, the button cell that supplies the electric energy of LED cold light source is installed to the inside embedding of upper lobe handle, and passes through wire electric connection between LED cold light source, lamp source switch, the button cell.

Compared with the prior art, the technical scheme provided by the invention has at least the following beneficial effects:

in the above-mentioned scheme, through setting up extension subassembly, firstly, can realize simultaneously adjusting lower leaf and upper lobe, adjustment efficiency is higher, need not adjust lower leaf and upper lobe extension length one by one, secondly, because lower leaf and upper lobe are adjusted simultaneously, can guarantee that both extension length are the same, lower leaf and upper lobe extension length inconsistent that has avoided adjusting one by one brought, the poor problem of regulation precision that leads to, finally, compare in prior art, extension subassembly can be adjusted lower leaf and upper lobe extension length, the problem that the vaginal speculum specification needs to be changed in the operation in-process among the prior art has been avoided, patient's uncomfortable sense in the gynecological examination process has been reduced.

Through setting up normal operation subassembly, at first, can guarantee to extend the subassembly normal work, can adjust the extension length of lower leaf and upper lobe, and secondly, can guarantee to peep the normal opening of angle between lower leaf and the upper lobe of the vaginal speculum, can not influence the normal use of vaginal speculum.

Through setting up spacing subassembly, when carrying out length adjustment, utilize fixing bolt to go up the arc pole and go down the arc cover and carry out fixed connection, guarantee the stability of fixed strip for lower leaf and upper lobe stretch out length adjustment precision higher, when the vaginal speculum uses, unscrew fixing bolt, and then when opening the angle between lower leaf and upper lobe, go up the arc pole and can normally retract down inside the arc cover, guarantee the normal use of vaginal speculum.

Through setting up and retrieving the dismantlement subassembly, can unscrew the lock bolt after peeping the vaginal speculum and use, extract extension subassembly from the connecting cylinder is inside, can accomplish the dismantlement of extension subassembly, extension subassembly does not stretch into the vagina inside in the use, can disinfect and reuse, and then avoided the waste of resource, and reduce the cost of vagina inspection.

Through setting up the lamp source switch, open the cold light source of LED, utilize button cell to supply power for the cold light source of LED for intravaginal illumination, be convenient for observe, avoid doctor in prior art to be located between patient and the extraneous light source, the head often can shelter from the light at side rear, forms peeping the dark space, can influence the problem of observing the field of vision after removing the head again, solved in addition under special conditions such as power failure, can't continue to observe, arouse a lot of inconvenient problems

Drawings

The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the invention and to enable a person skilled in the pertinent art to make and use the invention.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;

FIG. 5 is a schematic view of the structure of the extension assembly of the present invention;

FIG. 6 is an enlarged schematic view of the recovery disassembly assembly of FIG. 1 according to the present invention;

FIG. 7 is an enlarged schematic view of the snap-fit assembly of FIG. 5 according to the present invention;

fig. 8 is a schematic structural view of a limiting assembly according to the present invention.

[ Reference numerals ]

1. Lower She Bashou, an upper leaf handle, 3, an upper leaf, 4, a lower leaf, 5, an upper She Jiaojie shaft, 6, a return spring, 7, a movable groove;

8. An extension assembly;

81. the device comprises a limiting component, 811, a fixed rod, 812, an upper arc rod, 813, a fixed bolt, 814, a threaded locking hole, 815 and a lower arc sleeve;

82. a fixing bar, an upper extension bar, and a lower extension bar;

85. the rotary matching component, 851, U-shaped frame, 852, rotary groove, 853, open angle scale mark, 854, arc scale plate, 855, connecting plate, 856, roller body, 857, semicircle gear, 858, driven gear;

86. the push value scale mark, 87, the ball installation slide seat, 88, the lead screw push rod;

9. recovering the disassembly component; 91, a connecting cylinder, 92, a clamping groove, 93 and a locking bolt;

10. the LED lamp comprises a lamp source switch, an LED cold light source, 12, a push-pull rod, 13, a limit flange, 14 and a button cell.

Specific structures and devices are labeled in the drawings to enable clear implementation of embodiments of the invention, but this is merely illustrative and is not intended to limit the invention to the specific structures, devices and environments that may be modified or adapted by those of ordinary skill in the art, based on the specific needs.

Detailed Description

The invention will now be described in detail with reference to the drawings and to specific embodiments. While the invention has been described herein in detail in order to make the embodiments more detailed, the following embodiments are preferred and can be embodied in other forms as well known to those skilled in the art, and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention to the specific forms disclosed herein.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.

It is to be understood that the meaning of "on," "above," "over" and "above" in the present invention should be read in the broadest manner so that "on" means not only "directly on" but also includes "on" something with intervening features or layers therebetween, and "on" or "above" means not only "on" or "over" but also may include the meaning of "on" or "over" it without intervening features or layers therebetween.

Furthermore, spatially relative terms such as "under," "below," "lower," "above," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.

As shown in fig. 1 to 8, the embodiment of the invention provides a disposable telescopic vaginal speculum with a light source, which comprises a lower leaf handle 1 and an upper leaf handle 2, wherein the lower leaf handle 1 and the upper leaf handle 2 are hinged through an upper shaft and a lower shaft She Jiaojie arranged between the lower leaf handle 1 and the upper leaf handle 2, a return spring 6 is fixedly connected between the lower leaf handle 1 and the bottom end of the upper leaf handle 2, limiting flanges 13 are fixedly connected to two opposite ends of the lower leaf handle 1 and the upper leaf handle 2, the lower leaf handle 1 is in sliding connection with a lower leaf 4 through two limiting flanges 13, the upper leaf handle 2 is in sliding connection with an upper leaf 3 through two limiting flanges 13, a movable groove 7 is formed in the upper leaf handle 2 in a penetrating manner, one ends of the lower leaf 4 and the upper leaf 3 are fixedly connected with push-pull rods 12, the two push rods 12 are arranged in a penetrating manner through the movable groove 7, one ends of the two push-pull rods 12 extending to the outside the upper leaf handle 2 are respectively provided with a recovery push-pull and pull assembly 9, one ends of the two push-pull rods 12 are detachably connected with the recovery extension assembly 9 through the two extension assembly 9, and the two extension assembly 8 can be used for adjusting the extension length of the upper leaf 4 and the upper leaf 4.

When the vaginal speculum is used, the extension assembly 8 and the two push-pull rods 12 are locked and fixed by the recovery disassembly assembly 9, after the fixation is completed, the extension length of the lower leaf 4 and the upper leaf 3 can be adjusted to a set value according to the requirement by the extension assembly 8, after the adjustment is completed, the lower leaf handle 1 and the upper leaf handle 2 are held by hand, the lower leaf 4 and the upper leaf 3 are extended into the vagina of a patient, the upper leaf handle 2 is pressed, the upper leaf handle 2 rotates around the upper and lower She Jiaojie shafts 5, the angle between the lower leaf 4 and the upper leaf 3 is further opened, the vagina is expanded, and a doctor can fully expose the visual field when performing vaginal examination conveniently.

As shown in fig. 1 and 6, the recovery and disassembly assembly 9 includes a connecting cylinder 91 fixedly connected with one end of the push-pull rod 12, a clamping groove 92 is formed in the outer circumferential surface of the connecting cylinder 91 in a penetrating manner, the inside of the connecting cylinder 91 is sleeved with the extension assembly 8, and a locking bolt 93 for locking the connecting cylinder 91 and the extension assembly 8 is arranged in the clamping groove 92.

After the inspection is finished, the vaginal speculum main bodies such as the lower leaf handle 1, the upper leaf handle 2, the lower leaf 4, the upper leaf 3 and the like need to be discarded, and the risk of cross infection among diseases is reduced, therefore, the locking bolt 93 can be unscrewed after the vaginal speculum is used, the extension assembly 8 is pulled out from the inside of the connecting cylinder 91, the disassembly of the extension assembly 8 can be completed, the extension assembly 8 does not extend into the vagina in the use process, and the vaginal speculum can be disinfected and reused, so that the waste of resources is avoided, and the cost of vaginal inspection is reduced.

As shown in fig. 5, the extension assembly 8 includes a limit assembly 81 disposed at one end of the upper She Bashou, a fixing strip 82 is fixedly connected to the lower end of the limit assembly 81, an upper extension rod 83 and a lower extension rod 84 are respectively connected to the inside of the connecting cylinder 91 of the recovery disassembly assembly 9 by bolts, the upper extension rod 83 and the lower extension rod 84 are slidably connected with the fixing strip 82 in a penetrating manner, one ends of the upper extension rod 83 and the lower extension rod 84 are fixedly connected with a ball mounting slide seat 87, the inside of the ball mounting slide seat 87 is spirally connected with a screw rod 88, one end of the screw rod 88 is rotatably connected with the fixing strip 82, and a rotating fit assembly 85 for rotating in coordination with the upper She Bashou is disposed on the upper extension rod 83.

As shown in fig. 5, an outer circumferential surface of one end of the upper extension rod 83 is provided with a scale line 86 for reading the pushing degree of the lower blade 4 and the upper blade 3.

When the extension assembly 8 is utilized to adjust the extension length of the lower leaf 4 and the upper leaf 3, the recovery disassembly assembly 9 is utilized to fixedly connect the upper extension rod 83 and the lower extension rod 84 with one ends of the two push-pull rods 12 respectively, after connection is completed, the limiting assembly 81 is locked again, at this time, the extension length values of the lower leaf 4 and the upper leaf 3 which need to be extended are obtained according to the vaginal depth, then the push rod 88 is rotated by contrasting with the push value scale mark 86, because the fixing strip 82 is fixedly connected with the upper leaf handle 2 through the limiting assembly 81, one end of the push rod 88 is rotationally connected with the fixing strip 82, when the push rod 88 is rotated, the ball mounting sliding seat 87 slides left and right on the push rod 88 and drives the upper extension rod 83, the lower extension rod 84, the push-pull rod 12, the lower leaf 4 and the upper leaf 3 to slide left and right, the extension length of the lower leaf 4 and the upper leaf 3 in the upper leaf handle 2 is adjusted, after the extension length of the lower leaf 4 and the upper leaf 3 is adjusted to a preset value, the push rod 88 is stopped, and the ball mounting seat 87 is utilized to rotate, the ball mounting seat 87 is prevented from sliding on the lower leaf 4 and the upper leaf 3, and the left and right rocking of the upper leaf 3 is prevented from being adjusted accurately.

According to the application, the extension assembly 8 is arranged, so that firstly, the lower leaf 4 and the upper leaf 3 can be adjusted simultaneously, the adjustment efficiency is higher, the extension lengths of the lower leaf 4 and the upper leaf 3 do not need to be adjusted one by one, secondly, the lower leaf 4 and the upper leaf 3 can be adjusted simultaneously, the extension lengths of the lower leaf 4 and the upper leaf 3 are ensured to be the same, the problem of poor adjustment precision caused by inconsistent extension lengths of the lower leaf 4 and the upper leaf 3 due to one by one adjustment is avoided, and finally, compared with the prior art, the extension assembly 8 can adjust the extension lengths of the lower leaf 4 and the upper leaf 3, the problem that the specifications of the vaginal speculum in the prior art need to be replaced in the operation process is avoided, and the discomfort of a patient in the gynecological examination process is reduced.

As shown in fig. 7, the upper extension bar 83 is divided into two sections, and a rotating fit assembly 85 is disposed at a middle position of the two sections.

The rotating assembly 85 comprises a U-shaped frame 851 fixedly connected with one end of one section of the upper extension rod 83, a roller 856 fixedly connected with one end of the other section of the upper extension rod 83, two ends of the roller 856 are rotatably connected with the U-shaped frame 851, a semicircular gear 857 is fixedly connected with the outer circular surface of the roller 856, a vaginal angle measuring assembly is arranged at the top end of the semicircular gear 857, a driven gear 858 is rotatably connected inside the U-shaped frame 851, and the semicircular gear 857 is meshed with the driven gear 858.

The vagina angle measurement assembly comprises a rotary groove 852 formed in one section of the upper extension rod 83, and a connecting plate 855 fixedly mounted at the upper end of the semicircular gear 857, wherein an arc-shaped scale plate 854 is fixedly connected to the upper end of the connecting plate 855, an opening angle scale mark 853 is arranged on one side of the arc-shaped scale plate 854, and the lower end of the arc-shaped scale plate 854 penetrates through the rotary groove 852.

Because the extension component 8 needs to adjust the extension length of the lower leaf 4 and the upper leaf 3 on a straight line, and when the vaginal speculum is used, an opening angle is needed between the lower leaf 4 and the upper leaf 3, the extension component 8 can adapt to the requirement of the opening angle between the lower leaf 4 and the upper leaf 3 by arranging the rotating fit component 85;

When the rotating fit assembly 85 is used, the upper blade handle 2 is pressed, the upper blade handle 2 rotates around the upper and lower She Jiaojie shafts and drives the upper blade 3 to rotate, and the push-pull rod 12 fixedly connected with the upper blade 3 rotates, when the push-pull rod 12 rotates, the upper extension rod 83 (fixedly connected with the push-pull rod 12 through the recovery disassembly assembly 9) is driven to rotate, the upper extension rod 83 rotates to drive the roller 856 to rotate, and then the semicircular gear 857 fixedly connected with the roller 856 is driven to rotate, and the semicircular gear 857 is meshed with the driven gear 858, so that the upper blade 3 and the push-pull rod 12 fixedly connected with the upper blade 3 can rotate, and the normal opening of the angle between the lower blade 4 and the upper blade 3 of the vaginal speculum is ensured.

As shown in fig. 8, the limiting component 81 includes a fixing rod 811 fixedly connected with the upper leaf handle 2, an upper arc rod 812 is fixedly connected with the upper end of the fixing rod 811, a lower arc sleeve 815 is fixedly connected with the upper end of the fixing rod 82, the upper arc rod 812 is slidably connected inside the lower arc sleeve 815, threaded locking holes 814 are formed between the upper arc rod 812 and the lower arc sleeve 815, and the upper arc rod 812 and the lower arc sleeve 815 are in threaded connection with fixing bolts 813 through the threaded locking holes 814.

In order to ensure the stability of the extension assembly 8 when the lower blade 4 and the upper blade 3 extend out of the length, the limiting assembly 81 is arranged, when the length is adjusted, the upper arc rod 812 and the lower arc sleeve 815 are fixedly connected by the fixing bolt 813, the stability of the fixing strip 82 is ensured, the lower blade 4 and the upper blade 3 extend out of the length, the fixing bolt 813 is unscrewed when the vaginal speculum is used, and then the upper arc rod 812 can be normally retracted into the lower arc sleeve 815 when the angle is opened between the lower blade 4 and the upper blade 3, so that the normal use of the vaginal speculum is ensured.

As shown in fig. 1, the lower leaf handle 1, the upper leaf handle 2, the lower leaf 4, the upper leaf 3 and the push-pull rod 12 are made of PMMA resin light guide materials.

As shown in fig. 1 to 4, the top in the upper leaf 3 is provided with an LED cold light source 11, one end of the upper She Bashou is provided with a light source switch 10 for controlling the LED cold light source 11 to be turned on or off, the inside of the upper leaf handle 2 is embedded with a button cell 14 for supplying electric energy to the LED cold light source 11, and the LED cold light source 11, the light source switch 10 and the button cell 14 are electrically connected through wires.

When the vaginal speculum is used, the LED cold light source 11 can be started through the light source switch 10, the button cell 14 is utilized to supply power for the LED cold light source 11, the vaginal speculum is used for lighting in vagina, the observation is convenient, the problem that a doctor is positioned between a patient and an external light source, the head always shields light at the rear side to form a peeping dark space, the observation field of view can be influenced after the head is moved is solved, the problem that the vaginal speculum cannot be observed continuously under special conditions such as power failure and the like is solved, a plurality of inconveniences are caused, and the lower leaf handle 1, the upper leaf handle 2, the lower leaf 4, the upper leaf 3 and the push-pull rod 12 are all made of PMMA resin light guide materials, so that good light transmittance is ensured, and the illumination effect is improved.

The application process of the invention is as follows:

Firstly, the extension assembly 8 and the two push-pull rods 12 are locked and fixed by the recovery disassembly assembly 9, after the fixation is completed, the extension lengths of the lower leaf 4 and the upper leaf 3 can be adjusted to the set values according to the requirements by the extension assembly 8, after the adjustment is completed, the lower leaf handle 1 and the upper leaf handle 2 are held by hand, the lower leaf 4 and the upper leaf 3 are extended into the vagina of a patient, the upper leaf handle 2 is pressed, the upper leaf handle 2 rotates around the upper and lower She Jiaojie shafts 5, the angle between the lower leaf 4 and the upper leaf 3 is opened, the vagina is expanded, and a doctor can fully expose the visual field when performing vaginal examination conveniently;

The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the following description of preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims

1. A disposable retractable vaginal speculum with its own light source, comprising a lower leaf handle and an upper leaf handle, wherein the lower leaf handle and the upper leaf handle are hingedly connected by an upper and lower leaf hinge shaft arranged between the two, and a reset spring is fixedly connected between the bottom ends of the lower leaf handle and the upper leaf handle, characterized in that both ends of the lower leaf handle and the upper leaf handle on opposite sides are fixedly connected to a limiting flange, the lower leaf handle is slidably connected to the lower leaf through two limiting flanges, and the upper leaf handle is slidably connected to the upper leaf through two limiting flanges, and a movable groove is penetrated through the upper leaf handle, one end of the lower leaf and the upper leaf are fixedly connected to a push-pull rod, and the two push-pull rods slide through the movable groove arrangement; one end of the two push-pull rods extending to the outside of the upper leaf handle is provided with a recovery and disassembly assembly, and one end of the two push-pull rods is detachably connected to an extension assembly through the recovery and disassembly assembly, and the extension assembly is used to adjust the extension length of the lower leaf and the upper leaf;

The extension component includes a limit component arranged at one end of the upper leaf handle, the lower end of the limit component is fixedly connected to a fixing bar, the connecting tubes of the two recovery and disassembly components are respectively bolted with an upper extension rod and a lower extension rod, and the upper extension rod, the lower extension rod and the fixing bar are slidably connected; one end of the upper extension rod and the lower extension rod are commonly fixedly connected to a ball mounting slide, the ball mounting slide is internally spirally connected to a lead screw push rod, and one end of the lead screw push rod is rotatably connected to the fixing bar; the upper extension rod is provided with a rotation matching component for cooperating with the rotation of the upper leaf handle.

2. The disposable, self-contained, retractable vaginal speculum according to claim 1 is characterized in that: the recovery and disassembly assembly includes a connecting tube fixedly connected to one end of the push-pull rod, a slot is provided through the outer circumferential surface of the connecting tube, the interior of the connecting tube is sleeved with the extension assembly, and a locking bolt for locking the connecting tube and the extension assembly is provided inside the slot.

3. The disposable self-contained retractable vaginal speculum according to claim 1 is characterized in that: the outer circumferential surface of one end of the upper extension rod is provided with advancement value scale lines for reading the advancement degree of the lower leaf and the upper leaf.

4. The disposable retractable vaginal speculum with self-contained light source according to claim 1 is characterized in that the upper extension rod is divided into two sections, and a rotating matching component is provided in the middle of the two sections.

5. The disposable, self-contained, retractable speculum with its own light source according to claim 1 is characterized in that: the rotating matching assembly includes a U-shaped frame fixedly connected to one end of one section of the upper extension rod, and also includes a roller body fixedly connected to one end of the other section of the upper extension rod, and both ends of the roller body are rotatably connected to the U-shaped frame; a semicircular gear is fixedly connected to the outer circle surface of the roller body, a vaginal angle measurement assembly is provided on the top of the semicircular gear, and the U-shaped frame is also rotatably connected to a driven gear inside, and the semicircular gear is meshed with the driven gear.

6. The disposable, self-contained, retractable vaginal speculum according to claim 5 is characterized in that: the vaginal angle measurement component includes a rotation groove opened on one section of the upper extension rod, and a connecting plate fixedly installed on the upper end of the semicircular gear, the upper end of the connecting plate is fixedly connected to an arc-shaped scale plate, and an opening angle scale line is provided on one side of the arc-shaped scale plate, and the lower end of the arc-shaped scale plate passes through the rotation groove.

7. The disposable, self-contained, retractable speculum according to claim 1 is characterized in that: the limiting assembly includes a fixing rod fixedly connected to the upper leaf handle, the upper end of the fixing rod is fixedly connected to the upper arc rod, the upper end of the fixing bar is fixedly connected to the lower arc sleeve, the upper arc rod is slidably connected to the inside of the lower arc sleeve, and a threaded locking hole is provided between the upper arc rod and the lower arc sleeve, and the upper arc rod and the lower arc sleeve are threadedly connected to the fixing bolts using the threaded locking holes.

8. The disposable retractable vaginal speculum with self-contained light source according to claim 1, characterized in that the lower leaf handle, upper leaf handle, lower leaf, upper leaf and push-pull rod are all made of PMMA resin light-conducting material.

9. The disposable retractable speculum with its own light source according to claim 1 is characterized in that: an LED cold light source is provided at the top of the upper leaf, a light source switch for controlling the on and off of the LED cold light source is provided at one end of the upper leaf handle, a button battery for supplying electricity to the LED cold light source is embedded in the upper leaf handle, and the LED cold light source, the light source switch and the button battery are electrically connected through a wire.