CN111631676B

CN111631676B - Vaginal dilator for exposing vagina

Info

Publication number: CN111631676B
Application number: CN202010578233.5A
Authority: CN
Inventors: 代倩苓; 吴逢霞; 陈晶; 王薇
Original assignee: Chengdu Womens and Childrens Central Hospital
Current assignee: Chengdu Womens and Childrens Central Hospital
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2023-05-16
Anticipated expiration: 2040-06-23
Also published as: CN111631676A

Abstract

The invention provides a vaginal dilator for exposing vagina, which relates to the technical field of medical appliances and comprises a dilator and a pushing cylinder for gathering the dilator into the vagina, wherein the dilator comprises a fixed ring, a holding cylinder and a plurality of elastic thin rods which are connected between the fixed ring and the holding cylinder and are compressed; the middle part fixedly connected with magnetism of every elasticity slender rod is inhaled the piece, is provided with the electro-magnet device that can adsorb the magnetism in the propelling movement section of thick bamboo, and the magnetism is inhaled the piece and is connected on the propelling movement section of thick bamboo through detachable spring coupling, and the parcel has the lubricant bag on the elasticity slender rod, and the one end that grips the section of thick bamboo and is adjacent the elasticity slender rod rotates and be connected with the angle scale ring. Solves the problem that colposcope can not be fully checked due to the large shielding range of the vaginal inner wall by the vaginal dilator in the prior art.

Description

Vaginal dilator for exposing vagina

Technical Field

The invention relates to the technical field of medical appliances, in particular to a vaginal dilator for exposing vagina.

Background

The vaginal dilator is used for dilating the vagina, so that cervical and vaginal tissues are fully exposed, and medical workers can observe and perform medical operation on lesions of the lower genital tract conveniently. In the past concept, the vaginal lesion is considered to be a rare disease, most colposcopic examination rooms are used for diagnosing and treating cervical lesions, so that the common vaginal dilator is a disposable plastic two-leaf vaginal dilator with adjustable opening size and is used for dilating the vagina to expose the cervix after the vagina, but as the two-leaf vaginal dilator usually shields the upper and lower walls of the vagina with a barrel-shaped structure in gynecological examination, an inspector can observe the vaginal wall with a blind area close to half, and as the incidence rate of the vaginal lesion increases year by year, in the examination of the lesion before the genital tract cancer by using the colposcopy, the vaginal dilation still uses the disposable two-leaf vaginal dilator, and the vaginal dilator has unsatisfactory exposure for the observation of the vaginal lesion, is inconvenient for the observation of the whole vagina, and a new vaginal dilator which is convenient for observing the inner wall of the vagina is urgently needed to be suitable for clinic.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a vaginal dilator for exposing a vagina, which solves the problem that the vaginal dilator in the prior art can not fully check a colposcope due to a large shielding range of the vaginal inner wall.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the vaginal dilator comprises a dilator and a pushing cylinder for gathering the dilator into the vagina, wherein the dilator comprises a fixed ring, a holding cylinder and a plurality of elastic thin rods which are connected between the fixed ring and the holding cylinder and are compressed, the fixed ring is connected with the holding cylinder through a pull rod, and the pushing cylinder is connected with the fixed ring in a sliding way after passing through the holding cylinder; the middle part fixedly connected with magnetism of every elasticity slender rod is inhaled the piece, is provided with the electro-magnet device that can adsorb the magnetism in the propelling movement section of thick bamboo, and the magnetism is inhaled the piece and is connected on the propelling movement section of thick bamboo through detachable spring coupling, and the parcel has the lubricant bag on the elasticity slender rod, and the one end that grips the section of thick bamboo and is adjacent the elasticity slender rod rotates and be connected with the angle scale ring.

The beneficial effects of the invention are as follows: the electromagnet device on the pushing cylinder generates magnetic force to attract the magnetic attraction piece when being electrified, so that the elastic thin rod on the expander is folded onto the outer wall surface of the pushing cylinder, the pushing cylinder is slowly fed into the vagina of a patient, the electromagnet device is controlled to be powered off, the magnetic force disappears, the elastic thin rod rebounds into an arch shape under the action of the elastic force, the elastic thin rod rebounds slowly due to the buffering action of the spring, the impact on the vaginal wall is avoided, pain is caused to the patient, the pushing cylinder is pulled out outwards, meanwhile, the connecting end of the spring and the magnetic attraction piece slides out from the magnetic attraction piece, and after the whole pushing cylinder is pulled out, the colposcope is put into the colposcope for examination.

The holding cylinder on the expander is positioned outside the approach, so that the operation convenience is improved, the fixing ring of the expander can be abutted against the cervical part to prop open the fornix around the cervical part, the pull rod is used for fixing the interval between the fixing ring and the holding cylinder, the compressed elastic thin rod is always in a compressed arched state, the vaginal wall is propped open from different directions through the plurality of elastic thin rods, the shielding of the vaginal wall can be reduced as much as possible, the colposcope stretches into the vagina from the shaft hole of the holding cylinder, the cervical part and the vaginal wall can be fully inspected at the same time, and then the part which is originally shielded by the elastic thin rod is exposed in the visual field of the colposcope after rotating the holding cylinder for a certain angle, so that the vaginal wall percentage is inspected, the inspection accuracy is improved, and the missing inspection is prevented.

The lubricant bag on the elastic slender rod can automatically discharge lubricant under the mutual extrusion action of the vaginal wall and the elastic slender rod, so that the dilator is smoother when being rotated, the scraping and rubbing action on the vaginal wall is reduced, and uncomfortable feeling to a patient is avoided; the angle scale ring is marked with angle scale marks, so that the angle reference of the rotary expander can be provided, and the inspection controllability is improved.

Drawings

Fig. 1 is a schematic view of the structure of a vaginal dilator for exposing the vagina.

Fig. 2 is a cross-sectional view taken along the direction A-A in fig. 1.

Fig. 3 is an enlarged view at B in fig. 2.

Fig. 4 is an enlarged view at C in fig. 2.

Fig. 5 is a view of the dilator in the vaginal dilator after being collapsed to expose the vagina.

Fig. 6 is a schematic view of the structure of the dilator in the vaginal dilator exposing the vagina.

Fig. 7 is a bottom view of fig. 6.

Wherein, 1, a dilator; 11. a fixing ring; 111. a storage chamber; 112. a sealing plug; 113. an annular sucker; 12. a grip barrel; 13. an elastic thin rod; 14. a pull rod; 2. a pushing cylinder; 21. an electromagnet device; 211. an electromagnet; 212. a storage battery; 213. a switch button; 3. a magnetic attraction piece; 4. a spring; 41. inserting sheets; 5. a lubricant bag; 6. an angle scale ring; 61. a rubber ring.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.

As shown in fig. 1 and 2, the vaginal dilator for exposing vagina comprises a dilator 1 and a pushing cylinder 2 for folding the dilator into the vagina. The dilator 1 comprises a fixed ring 11, a holding cylinder 12 and a plurality of elastic thin rods 13 connected between the fixed ring 11 and the holding cylinder 12 and compressed, wherein the fixed ring 11 and the holding cylinder 12 are connected through a pull rod 14. The elastic thin rod 13 is a steel wire with the diameter of 1-2.5 mm, one end of the elastic thin rod 13 is fixed on the bottom surface of the fixed ring 11, the other end of the elastic thin rod is fixed on the top surface of the holding cylinder 12, and 5-8 elastic thin rods are uniformly distributed along the circumference of the fixed ring 11. The pull rod 14 is a rigid straight rod, two ends of the pull rod 14 are respectively fixed on the fixed ring 11 and the holding cylinder 12, and two pull rods are symmetrically distributed along the circumference and used for fixing the distance between the fixed ring 11 and the holding cylinder 12 in the axial direction so as to maintain the compressed degree between the elastic thin rods 13, thereby controlling the expansion effect of the expander 1.

The inner aperture of the fixation ring 11 is not smaller than the diameter of the cervix in order to fully expose the cervix. As shown in fig. 3, the end of the fixing ring 11, which is far away from the elastic thin rod 13, is provided with an annular groove to form a storage cavity 111, which can be used for storing lubricant, the bottom surface of the storage cavity 111 is communicated with a interlayer cavity in the lubricant bag 5, and the lubricant bag 5 can be supplemented with lubricant through the storage cavity 111 so as to ensure that the expander can be sufficiently lubricated in long-time colposcopy.

As shown in fig. 3, the elastic thin rod 13 is wrapped with a lubricant bag 5, the lubricant bag 5 is a sleeve made of silica gel, a interlayer cavity for storing lubricant is arranged in the lubricant bag 5, and a via hole for extruding the lubricant is arranged on the surface layer of the lubricant bag 5.

A sealing plug 112 is connected to the storage chamber 111 in a sealing manner. The sealing plug 112 is integrally formed with an annular suction cup 113. The sealing plug 112 is an annular plug made of silica gel material and sealing the storage cavity 111 by means of extrusion deformation, the annular sucker 113 can be adsorbed on tissues around the cervix, displacement of the fixed ring 11 is prevented, and meanwhile, the annular sucker 113 can also be used for pulling out a handle of the sealing plug 112, so that convenience in operation is improved.

The pushing cylinder 2 passes through the holding cylinder 12 and is connected with the fixed ring 1 in a sliding way. The inner wall of the fixed ring 11 is provided with positioning grooves penetrating axially, at least two positioning grooves are asymmetrically distributed on the circumference of the fixed ring 11, the outer wall of the end part of the pushing cylinder 2 is provided with positioning convex strips capable of sliding into the positioning grooves, the circumference is asymmetrically arranged, the pushing cylinder 2 can be uniquely inserted into the fixed ring 11 each time, so that the magnetic attraction sheets 3 on each elastic thin rod 13 are aligned with the electromagnets 211 one by one, a mark line can be arranged at the outer end of the vagina of the pushing cylinder 2, and the mark line on the holding cylinder 12 indicate the correct direction.

The middle part fixedly connected with magnetism of every elasticity slender rod 13 is inhaled piece 3, is provided with in the push cylinder 2 and can adsorb magnetism and inhale the electro-magnet device 21 of piece 3, and magnetism is inhaled piece 3 and is connected on push cylinder 2 through detachable spring 4. One end of the spring 4 is fixed on a screw, the screw is connected to the outer wall surface of the pushing cylinder 2 along the radial thread of the pushing cylinder 2, the other end of the spring 4 is vertically fixed on the inserting sheet 41, and the inserting sheet 41 is inserted into the magnetic attraction sheet 3 from the side where the holding cylinder 12 is located.

Preferably, the magnetic attraction piece 3 is made of a material capable of being attracted by a magnet, and has a smooth outer surface, and the magnetic attraction piece 3 is adhered or welded on the elastic thin rod 13. The magnetic attraction piece 3 has the functions of attracting the elastic thin rod 13 by the electromagnet and fixing the spring 4 and enabling the spring 4 to be pulled out of the vagina along with the holding cylinder 12. As shown in fig. 4, the magnetic attraction piece 3 is provided with a plane attracted by an electromagnet towards one end of the pushing barrel 2, the bottom end of the magnetic attraction piece 3 is provided with a slot for inserting the inserting piece 41, the slot is opened towards one end of the bottom end, and the inserting piece 41 corresponds to the slot and has a rectangular section. After the inserting piece 41 is inserted into the slot, the inserting piece only has the degree of freedom of being pulled out from the opening end of the slot, so that the spring 4 can be firmly connected with the magnetic attraction piece 3 in the axial direction, and the purpose of slowing the rebound speed of the spring 4 in the rebound process of the elastic slender rod 13 is achieved.

The electromagnet device 21 comprises an electromagnet 211 embedded in the side wall of the pushing cylinder 2, a storage battery 212 for supplying power to the electromagnet 211 and a switch button 213 for controlling the on-off of the electromagnet 211, the power supply 212 is arranged in the inner cavity of the pushing cylinder 2, and the switch button 213 is arranged at one end of the pushing cylinder 2 far away from the fixed ring 11. The push cylinder 2 is provided with a plurality of electromagnets 211 which are in one-to-one correspondence with the magnetic attraction pieces 3, the number of the electromagnets 211 is the same as that of the elastic thin rods 13, and one electromagnet 211 is correspondingly attracted with one magnetic attraction piece 3 so as to ensure that the attraction positions are mutually independent, and the position change of the elastic thin rods 13 after rebound is small. All electromagnets 211 are powered by the same storage battery 212 and are controlled to be switched on and off by the same switch button 213. The axial direction of each electromagnet 211 is parallel to the radial direction of the push cylinder 2.

The end of the grip barrel 12 adjacent to the flexible thin rod 13 is rotatably connected with the angle scale ring 6. The angle scale ring 6 is sleeved on the holding barrel 12, and the end surface of the angle scale ring 6 is marked with angle scale marks, as shown in fig. 7, so that the rotation angle of the holding barrel 12 is convenient to control, and the part shielded by the elastic slender rod 13 is exposed by rotating the expander 1. The rubber ring 61 is connected between the angle scale ring 6 and the holding cylinder 12, and the friction force between the angle scale ring 6 and the holding cylinder 12 can be increased through the rubber ring 61, so that the friction force during rotation is increased, and the rotation angle is convenient to control. The end face of the angle scale ring 6 facing the end of the elastic thin rod 13 can be stuck with silica gel to improve the comfort of the contact with the labia of a patient. The angle scale ring 6 can also act as a stop to prevent the vaginal dilator from extending excessively.

Before the vaginal dilator is used, the dilator 1 is sleeved on the pushing cylinder 2, as shown in fig. 5, the inserting piece 41 on the spring 4 is inserted into the inserting groove on the magnetic attraction piece 3, the electromagnet 211 is in an electrified state, the magnetic attraction piece 3 is adsorbed, when the vaginal dilator is needed to be used, a patient lies on an examination bed, two legs are separated, a doctor coats lubricant on one end of the fixing ring 11, the vaginal dilator is slowly fed into the vagina of the patient, after the fixing ring 11 is abutted to the cervical orifice, the switch button 213 is pressed down to power off the electromagnet 211, the magnetic attraction piece 3 loses adsorption, the elastic thin rod 13 rebounds under the action of the elasticity of the elastic thin rod 13, the spring 4 is pulled to deform, the elastic action of the spring 4 can prevent the deformation, so that the rebound speed of the elastic thin rod 13 can slow down, the vaginal wall of a patient is prevented from being impacted too fast, after the elastic thin rod 13 fully rebounds, the doctor holds the holding the barrel 12 with one hand, one hand pulls out the pushing cylinder 41 is also automatically pulled out of the inserting groove, and the dilator 1 is left in the vagina to be supported in the vagina of the patient as shown in fig. 6. When it is desired to adjust the dilator 1, the dilator 1 can be rotated by rotating the grip barrel 12, the grip barrel 12 being located outside the vagina. The colposcope extends from the grip barrel 12 into the vagina for examination. After the inspection is finished, the spring 4 is unscrewed from the pushing cylinder 2, the pushing cylinder 2 without the spring 4 is sent into the expander 1, the switch button 213 is turned on to enable the electromagnet 211 to be electrified to generate magnetism to adsorb the magnetic attraction piece 3 to fold the elastic thin rod 13, and then the holding cylinder 12 is held to take out the expander 1.

Claims

1. A vaginal dilator for exposing vagina, which is characterized by comprising a dilator (1) and a pushing cylinder (2) for folding the dilator into the vagina, wherein the dilator (1) comprises a fixed ring (11), a holding cylinder (12) and a plurality of elastic thin rods (13) which are connected between the fixed ring (11) and the holding cylinder (12) and are compressed, the holding cylinder (12) is fixedly connected with the fixed ring (11) through a pull rod (14), and the pushing cylinder (2) is in sliding connection with the fixed ring (11) after passing through the holding cylinder (12);

the middle part of each elastic slender rod (13) is fixedly connected with a magnetic attraction piece (3), an electromagnet device (21) capable of adsorbing the magnetic attraction pieces (3) is arranged in the pushing cylinder (2), the magnetic attraction pieces (3) are connected onto the pushing cylinder (2) through a detachable spring (4), the elastic slender rods (13) are wrapped with lubricant bags (5), and one end, adjacent to the elastic slender rods (13), of the holding cylinder (12) is rotationally connected with an angle scale ring (6);

one end of the spring (4) is detachably connected to the pushing cylinder (2) along the radial direction, the other end of the spring (4) is vertically fixed to the inserting sheet (41), and the inserting sheet (41) is inserted into the magnetic attraction sheet (3) from one side of the holding cylinder (12).

2. The vaginal speculum for the exposure of the vagina according to claim 1, characterized in that the electromagnet device (21) comprises an electromagnet (211) embedded in the side wall of the pushing cylinder (2), a storage battery (212) for supplying power to the electromagnet (211) and a switch button (213) for controlling the on-off of the electromagnet (211), wherein the storage battery (212) is arranged in the inner cavity of the pushing cylinder (2), and the switch button (213) is arranged at one end of the pushing cylinder (2) far away from the fixed ring (11).

3. The vaginal speculum for the exposure of the vagina according to claim 2, wherein a plurality of electromagnets (211) are arranged on the pushing cylinder (2) in one-to-one correspondence with the magnetic attraction pieces (3), and each electromagnet (211) is arranged along the radial direction of the pushing cylinder (2).

4. The vaginal dilator for exposing vagina according to claim 1, wherein the lubricant bag (5) is a sleeve made of silica gel, a interlayer cavity for storing lubricant is arranged in the lubricant bag (5), and a through hole for extruding the lubricant is arranged on the surface layer of the lubricant bag (5).

5. The vaginal speculum for the exposure of the vagina according to claim 1, characterized in that the end of the fixing ring (11) remote from the elastic thin rod (13) is provided with a storage cavity (111), and a sealing plug (112) is connected to the storage cavity (111) in a sealing way.

6. The vaginal speculum for the exposed vagina of claim 5, wherein said sealing plug (112) has an annular suction cup (113) integrally formed thereon.

7. The vaginal speculum for the exposure of the vagina according to claim 1, characterized in that the angle scale ring (6) is sleeved on the holding cylinder (12), and a rubber ring (61) is connected between the angle scale ring (6) and the holding cylinder (12).