CN111481238A

CN111481238A - Gynaecology uses cervical brush

Info

Publication number: CN111481238A
Application number: CN202010295906.6A
Authority: CN
Inventors: 师帅
Original assignee: SECOND AFFILIATED HOSPITAL OF SHAANXI UNIVERSITY OF CHINESE MEDICINE
Current assignee: SECOND AFFILIATED HOSPITAL OF SHAANXI UNIVERSITY OF CHINESE MEDICINE
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-08-04

Abstract

The invention discloses a gynecological cervical brush which comprises a main substrate, wherein a brushing and scraping strip and brushing and scraping hair are fixedly arranged on one side face of the main substrate, the brushing and scraping strip is positioned in the middle of the side face of the main substrate, an internal thread connecting pipe is fixedly arranged in the middle of the side face, far away from the brushing and scraping strip, of the main substrate, and a fastening washer is bonded at one end, far away from the main substrate, of the internal thread connecting pipe. Through pressing down spacing plug knob, make spacing plug knob slide to the alcove in spacing through-hole and intercommunicating pore, promote the rubber block of excellent power of slide extrusion, when spacing plug knob slips from spacing through-hole, can make connecting sleeve slide on connecting tube and spliced pole surface, keep off when spacing plug knob is counterpointed with another spacing through-hole, can pop out the grafting under the rubber block reset action of excellent power, thereby make connecting sleeve in connecting tube surface telescopic position with the adjustment, thereby make whole brush body length adjustment, reached and be convenient for to the effect of brush body length adjustment, the operation of being convenient for more is got up in the use.

Description

Gynaecology uses cervical brush

Technical Field

The invention relates to the technical field of cervical brushes, in particular to a gynecological cervical brush.

Background

The cervical brush is called cervical scraping brush again, and its sampling tool who is applicable to cervical doctor-bar examination, cervical doctor-bar examination are the indispensable project of women who carries out gynecological examination, and cervical doctor-bar is that to get a small amount of cell sample from the cervical part, puts on the glass piece, then whether unusual at the study under the microscope. The cervical smear is preferably made once a year by female conditional patients with sexual life, the cervical smear is the simplest and most convenient and effective diagnosis method for widely inspecting cervical cancer, the cervical smear inspection can reduce the death rate of the cervical cancer by at least 70 percent, any women with sexual behaviors more than three years or 21 years old or more can begin to regularly screen the cervical cancer, and women with early marriage and early childbirth, abortion history, sexual disease history and multiple sexual partners are high-incidence groups of the cervical cancer.

At present, the cervical brush applied to gynecological cervical scraping blade examination is mostly difficult to adjust the brush body length of the cervical brush in the sampling use process, and is difficult to adjust the angle between the handheld end and the brush body or the brush handle, so that the cervical brush is not convenient to flexibly adjust in the application process, and is inconvenient to operate when in use.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a gynecological cervical brush, which solves the problems that the length of a brush body of the cervical brush is difficult to adjust mostly, the angle between a handheld end and the brush body or a brush handle is difficult to adjust, the flexible adjustment is inconvenient in the application process, and the operation is inconvenient in use when the existing cervical brush applied to gynecological cervical scraping examination is used for sampling.

In order to achieve the purpose, the invention adopts the following technical scheme: a gynecological cervical brush comprises a main substrate, wherein a brush scraping strip and a brush hair are fixedly arranged on one side face of the main substrate, the brush scraping strip is positioned in the middle of the side face of the main substrate, an internal thread connecting pipe is fixedly arranged in the middle of the main substrate far away from one side face of the brush scraping strip, a fastening washer is bonded to one end, far away from the main substrate, of the internal thread connecting pipe, a thread column is connected to the internal thread of the internal thread connecting ring in a threaded manner, a fixing piece is fixedly arranged at the end part of the thread column, a connecting bobbin is fixedly arranged at one end, far away from the thread column, of the fixing piece, a connecting column is fixedly arranged at one end, far away from the fixing piece, of the connecting bobbin is connected with the surface of the connecting column in a sliding manner, a limiting through hole is formed in, the interior of the concave chamber is connected with a sliding sheet in a sliding way, the bottom surface of the sliding sheet is bonded with a high-strength rubber block, the top surface of the sliding sheet is fixedly provided with a limit inserting button, the end part of the connecting sleeve is fixedly provided with a right-angle sheet frame, a support sheet is fixedly arranged in the right-angle sheet frame, a hinge shaft is fixedly arranged in the middle of the support sheet, two ends of the right-angle sheet frame are fixedly provided with limit sheets, magnetic suction rings are arranged on two sides of the limiting plate in a penetrating way, the surface of the hinge shaft is rotatably connected with a hinge piece, the end part of the hinged sheet is fixedly provided with a connecting block, one side of the connecting block far away from the hinged sheet is fixedly provided with a hand-held strip, a sliding chamber is arranged inside the connecting block, sliding holes are arranged on the top surface and the bottom surface of the inner wall of the sliding chamber and the top and the bottom of the surface of the connecting block in a penetrating way, the inside sliding connection of sliding chamber has the slip stopper, the top surface and the bottom surface fixed mounting of slip stopper have the magnetism to inhale the axle.

Preferably, a hand-held touch pad is bonded on the surface of the hand-held strip, and an anti-skid groove is formed in the surface of the hand-held touch pad.

Preferably, the handheld touch pad is a silicone rubber pad, and the number of the anti-skid grooves is three.

Preferably, the surface of the internal thread connecting pipe is provided with four anti-slip convex stripe strips, and the four anti-slip convex stripe strips are respectively positioned on the front side and the rear side of the surface of the internal thread connecting pipe.

Preferably, the magnetic ring and the magnetic shaft are made of a magnet material, and the magnetic shaft is slidably connected inside the sliding hole.

Preferably, the number of the hinge pieces is two, and the two hinge pieces are respectively positioned on the front side and the back side of the support piece.

Preferably, the limiting insertion button is inserted in the communicating hole and the limiting through hole in a sliding mode, and the aperture of the communicating hole is equal to that of the limiting through hole.

Preferably, the number of the limiting through holes is three, and the fastening washer is a fluororubber ring.

Compared with the prior art, the invention has the beneficial effects that:

1. this gynaecology uses cervical brush, through pressing down spacing plug button, make spacing plug button slide to the alcove in spacing through-hole and intercommunicating pore, promote the excellent power rubber block of slide extrusion, when spacing plug button slips from spacing through-hole, can make adapter sleeve slide on adapter tube and spliced pole surface, keep off when spacing plug button counterpoints with another spacing through-hole, can pop out the grafting under excellent power rubber block reset effect, thereby make adapter sleeve in adapter tube surface telescopic position with the adjustment, thereby make whole brush body length adjustment, reached and be convenient for to the effect of brush body length adjustment, use the operation of being convenient for more.

2. This gynaecology uses cervical brush, inhale the intra-annular magnetism of magnetism through pressing down magnetism and inhale the axle, can make magnetism inhale the axle and inhale the ring and move to the sliding chamber in magnetism inhale ring and slide opening, make magnetism inhale the axle and extrude magnetism and inhale the ring and can overturn the connecting block, make the articulated piece pass through hinge and backing sheet upset, when connecting block and another spacing slab overlap joint, can press the magnetism and inhale the axle, make the magnetism of slip plug another side inhale the ring with the lapped magnetism of connecting block and adsorb and insert, thereby can be to the articulated piece, connecting block and handheld strip upset are adjusted, reached and be convenient for carry out the effect adjusted to the handheld end angle of brush body, the target of the operation of being convenient for.

3. This gynaecology uses cervical brush through setting up anti-skidding raised grain strip for when changing the operation of internal thread pipe, be difficult for the slippage, through setting up handheld touch pad and anti-skidding recess, make to be convenient for more hold when holding handheld strip, the inspection sample of being convenient for is used.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is a front cross-sectional view of the female connection tube configuration of the present invention;

FIG. 4 is a front cross-sectional view of the connecting sleeve structure of the present invention;

FIG. 5 is a front cross-sectional view of the connecting block structure of the present invention.

In the figure: the device comprises a main substrate 1, a scraping strip 2, a scraping brush 3, an internal thread connecting pipe 4, a fastening gasket 5, a threaded column 6, a fixing sheet 7, a connecting bobbin 8, a connecting column 9, a connecting sleeve 10, a limiting through hole 11, a communicating hole 12, a concave chamber 13, a sliding sheet 14, a high-strength rubber block 15, a limiting insertion button 16, a right-angle sheet frame 17, a supporting sheet 18, a hinge shaft 19, a limiting sheet 20, a magnetic suction ring 21, a hinge sheet 22, a connecting block 23, a handheld strip 24, a sliding hole 25, a sliding chamber 26, a sliding plug 27, a magnetic suction shaft 28, a handheld touch pad 29, an anti-skidding groove 30 and an anti-skidding convex stripe 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-5, a gynecological cervical brush comprises a main substrate 1, a brush scraping strip 2 and brush bristles 3 are fixedly mounted on one side surface of the main substrate 1, the brush scraping strip 2 is located in the middle of the side surface of the main substrate 1, an internal thread connecting pipe 4 is fixedly mounted in the middle of the main substrate 1 far away from one side surface of the brush scraping strip 2, a fastening washer 5 is bonded to one end of the internal thread connecting pipe 4 far away from the main substrate 1, a thread column 6 is connected to the internal thread of the internal thread connecting ring 4, a fixing piece 7 is fixedly mounted at the end of the thread column 6, a connecting bobbin 8 is fixedly mounted at one end of the fixing piece 7 far away from the thread column 6, a connecting column 9 is fixedly mounted at one end of the connecting bobbin 8 far away from the fixing piece 7, a connecting sleeve 10 is slidably connected to the surfaces of the connecting bobbin 8 and the connecting column, a concave chamber 13 is arranged in the communicating hole 12, a sliding sheet 14 is connected in the concave chamber 13 in a sliding manner, a high-strength rubber block 15 is bonded on the bottom surface of the sliding sheet 14, a limiting inserting button 16 is fixedly arranged on the top surface of the sliding sheet 14, the limiting inserting button 16 is inserted in the communicating hole 12 and the limiting through hole 11 in a sliding manner, the aperture of the communicating hole 12 is equal to that of the limiting through hole 11, the number of the limiting through holes 11 is three, the fastening washer 5 is a fluororubber ring, the limiting inserting button 16 is pressed to enable the limiting inserting button 16 to slide towards the concave chamber 13 in the limiting through hole 11 and the communicating hole 12, the sliding sheet 14 is pushed to extrude the high-strength rubber block 15, when the limiting inserting button 16 slides away from the limiting through hole 11, the connecting sleeve 10 can slide on the surfaces of the connecting bobbin 8 and the connecting column 9, and when the limiting inserting button 16 is aligned with the other limiting through hole 11, the bobbin can be ejected and inserted under the resetting action of the high-strength rubber block 15, so that the, thereby the length of the whole brush body is adjusted, the effect of conveniently adjusting the length of the brush body is achieved, the brush body is more convenient to operate when in use, the end part of the connecting sleeve 10 is fixedly provided with a right-angle sheet frame 17, the inside of the right-angle sheet frame 17 is fixedly provided with a support sheet 18, the middle part of the support sheet 18 is fixedly provided with a hinge shaft 19, two ends of the right-angle sheet frame 17 are both fixedly provided with a limit plate 20, two sides of the limit plate 20 are penetrated and provided with a magnetic attraction ring 21, the surface of the hinge shaft 19 is rotatably connected with two hinge sheets 22, the two hinge sheets 22 are respectively positioned on the front and the back of the support sheet 18, the end part of the hinge sheet 22 is fixedly provided with a connecting block 23, one side of the connecting block 23 far away from the hinge sheet 22 is fixedly provided with a hand-held strip 24, the inside of the connecting block 23 is provided with a sliding chamber 26, a sliding plug 27 is connected inside the sliding chamber 26 in a sliding manner, magnetic attraction shafts 28 are fixedly arranged on the top surface and the bottom surface of the sliding plug 27, the magnetic attraction ring 21 and the magnetic attraction shafts 28 are both made of magnet materials, the magnetic attraction shaft 28 is slidably connected to the inside of the slide hole 25, and by pressing the magnetic attraction shaft 28 in the magnetic attraction ring 21, the magnetic attraction shaft 28 can move in the magnetic attraction ring 21 and the sliding hole 25 to the sliding chamber 26, so that the magnetic attraction shaft 28 can extrude the magnetic attraction ring 21 to turn over the connecting block 23, the hinge plate 22 can turn over the support plate 18 through the hinge shaft 19, when the connecting block 23 is lapped with another limit plate 20, the magnetic suction shaft 28 can be pressed to make the magnetic suction shaft 28 on the other side of the sliding plug 17 and the magnetic suction ring 21 lapped with the connecting block 23 to be sucked and inserted, therefore, the hinging sheet 22, the connecting block 23 and the handheld strip 24 can be turned and adjusted, the effect of adjusting the angle of the handheld end of the brush body conveniently is achieved, and the aim of convenient operation is achieved.

Example 2: referring to fig. 1-5, a gynecological cervical brush comprises a main substrate 1, a brush scraping strip 2 and brush bristles 3 are fixedly mounted on one side surface of the main substrate 1, the brush scraping strip 2 is located in the middle of the side surface of the main substrate 1, an internal thread connecting pipe 4 is fixedly mounted in the middle of the main substrate 1 far away from one side surface of the brush scraping strip 2, a fastening washer 5 is bonded to one end of the internal thread connecting pipe 4 far away from the main substrate 1, a thread column 6 is connected to the internal thread of the internal thread connecting ring 4, a fixing piece 7 is fixedly mounted at the end of the thread column 6, a connecting bobbin 8 is fixedly mounted at one end of the fixing piece 7 far away from the thread column 6, a connecting column 9 is fixedly mounted at one end of the connecting bobbin 8 far away from the fixing piece 7, a connecting sleeve 10 is slidably connected to the surfaces of the connecting bobbin 8 and the connecting column, a concave chamber 13 is arranged in the communicating hole 12, a sliding sheet 14 is connected in the concave chamber 13 in a sliding manner, a high-strength rubber block 15 is bonded on the bottom surface of the sliding sheet 14, a limiting inserting button 16 is fixedly arranged on the top surface of the sliding sheet 14, the limiting inserting button 16 is inserted in the communicating hole 12 and the limiting through hole 11 in a sliding manner, the aperture of the communicating hole 12 is equal to that of the limiting through hole 11, the number of the limiting through holes 11 is three, the fastening washer 5 is a fluororubber ring, the limiting inserting button 16 is pressed to enable the limiting inserting button 16 to slide towards the concave chamber 13 in the limiting through hole 11 and the communicating hole 12, the sliding sheet 14 is pushed to extrude the high-strength rubber block 15, when the limiting inserting button 16 slides away from the limiting through hole 11, the connecting sleeve 10 can slide on the surfaces of the connecting bobbin 8 and the connecting column 9, and when the limiting inserting button 16 is aligned with the other limiting through hole 11, the bobbin can be ejected and inserted under the resetting action of the high-strength rubber block 15, so that the, thereby the length of the whole brush body is adjusted, the effect of conveniently adjusting the length of the brush body is achieved, the brush body is more convenient to operate when in use, the end part of the connecting sleeve 10 is fixedly provided with a right-angle sheet frame 17, the inside of the right-angle sheet frame 17 is fixedly provided with a support sheet 18, the middle part of the support sheet 18 is fixedly provided with a hinge shaft 19, two ends of the right-angle sheet frame 17 are both fixedly provided with a limit plate 20, two sides of the limit plate 20 are penetrated and provided with a magnetic attraction ring 21, the surface of the hinge shaft 19 is rotatably connected with two hinge sheets 22, the two hinge sheets 22 are respectively positioned on the front and the back of the support sheet 18, the end part of the hinge sheet 22 is fixedly provided with a connecting block 23, one side of the connecting block 23 far away from the hinge sheet 22 is fixedly provided with a hand-held strip 24, the inside of the connecting block 23 is provided with a sliding chamber 26, a sliding plug 27 is connected inside the sliding chamber 26 in a sliding manner, magnetic attraction shafts 28 are fixedly arranged on the top surface and the bottom surface of the sliding plug 27, the magnetic attraction ring 21 and the magnetic attraction shafts 28 are both made of magnet materials, the magnetic attraction shaft 28 is slidably connected to the inside of the slide hole 25, and by pressing the magnetic attraction shaft 28 in the magnetic attraction ring 21, the magnetic attraction shaft 28 can move in the magnetic attraction ring 21 and the sliding hole 25 to the sliding chamber 26, so that the magnetic attraction shaft 28 can extrude the magnetic attraction ring 21 to turn over the connecting block 23, the hinge plate 22 can turn over the support plate 18 through the hinge shaft 19, when the connecting block 23 is lapped with another limit plate 20, the magnetic suction shaft 28 can be pressed to make the magnetic suction shaft 28 on the other side of the sliding plug 17 and the magnetic suction ring 21 lapped with the connecting block 23 to be sucked and inserted, therefore, the hinging sheet 22, the connecting block 23 and the handheld strip 24 can be turned and adjusted, the effect of adjusting the angle of the handheld end of the brush body conveniently is achieved, and the aim of convenient operation is achieved.

Handheld strip 24's surface bonds has handheld touch pad 29, antiskid groove 30 has been seted up on handheld touch pad 29's surface, handheld touch pad 29 is the silica-rubber pad, antiskid groove 30's quantity is three, the surface of internal thread connecting pipe 4 is equipped with anti-skidding fringe strip 31, the quantity of anti-skidding fringe strip 31 is four, and four anti-skidding fringe strips 31 are located the front side and the rear side on internal thread connecting pipe 4 surface respectively, through setting up anti-skidding fringe strip 31, when making change internal thread pipe 4 operation, be difficult for the slippage, through setting up handheld touch pad 29 and antiskid groove 30, be convenient for more hold when making hold handheld strip 24, be convenient for inspect the sample and use and take hold, be convenient for

In summary, according to the gynecological cervical brush, the limiting insertion button 16 is pressed to slide the limiting insertion button 16 in the limiting through hole 11 and the through hole 12 to the concave chamber 13, the sliding sheet 14 is pushed to press the high-strength rubber block 15, when the limiting insertion button 16 slides away from the limiting through hole 11, the connecting sleeve 10 can slide on the surfaces of the connecting tube 8 and the connecting post 9, when the limiting insertion button 16 is aligned with the other limiting through hole 11, the high-strength rubber block 15 can be popped out and inserted under the reset action, so that the telescopic position of the connecting sleeve 10 on the surface of the connecting tube 8 can be adjusted, the length of the whole brush body can be adjusted, the effect of conveniently adjusting the length of the brush body is achieved, the operation is more convenient, by pressing the magnetic attraction shaft 28 in the magnetic attraction ring 21, the magnetic attraction shaft 28 can move in the magnetic attraction ring 21 and the sliding hole 25 to the sliding chamber 26, and the magnetic attraction shaft 28 can extrude the magnetic attraction ring 21 to turn over the connecting block 23, the hinged sheet 22 is overturned with the supporting sheet 18 through the hinged shaft 19, when the connecting block 23 is lapped with another limit plate 20, the magnetic suction shaft 28 can be pressed, the magnetic suction shaft 28 on the other side of the sliding plug 17 is inserted into the magnetic suction ring 21 lapped with the connecting block 23, so that the hinged sheet 22, the connecting block 23 and the handheld strip 24 can be overturned and adjusted, the effect of conveniently adjusting the angle of the handheld end of the brush body is achieved, the aim of conveniently operating is achieved, the anti-skidding convex stripe strip 31 is arranged, the internal thread tube 4 is not easy to slip when being replaced, the handheld contact pad 29 and the anti-skidding groove 30 are arranged, the handheld strip 24 is more convenient to hold when being held, the application of examination and sampling is facilitated, the problem that the existing cervical brush applied to gynecological cervical scraping blade examination is solved, the problem that the length of the brush body of the cervical brush body is difficult to adjust mostly, and the angle of the handheld end and the brush body or the brush handle is difficult to, the application process is inconvenient to flexibly adjust, and the operation is inconvenient to use.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gynaecology uses cervical brush, includes main substrate (1), its characterized in that, a side fixed mounting of main substrate (1) has the brush to scrape strip (2) and brush and scrape hair (3), and brush and scrape strip (2) and be located the middle part of main substrate (1) side, main substrate (1) is kept away from the brush and is scraped the middle part fixed mounting of strip (2) side and is had internal thread connecting pipe (4), the one end that main substrate (1) was kept away from in internal thread connecting pipe (4) bonds and has fastening washer (5), the internal thread connection of internal thread connecting pipe (4) has screw thread post (6), the tip fixed mounting of screw thread post (6) has stationary blade (7), the one end fixed mounting that screw thread post (6) were kept away from to stationary blade (7) has connection bobbin (8), the one end fixed mounting that stationary blade (7) were kept away from in connection bobbin (8) has, the connecting device is characterized in that the surfaces of the connecting bobbin (8) and the connecting column (9) are connected with a connecting sleeve (10) in a sliding manner, a limiting through hole (11) is formed in the wall of the connecting sleeve (10) in a penetrating manner, a communicating hole (12) is formed in the surface of the connecting column (9), a concave chamber (13) is formed in the communicating hole (12), a sliding sheet (14) is connected in the concave chamber (13) in a sliding manner, a high-strength rubber block (15) is bonded on the bottom surface of the sliding sheet (14), a limiting plug-in button (16) is fixedly mounted on the top surface of the sliding sheet (14), a right-angle sheet frame (17) is fixedly mounted at the end of the connecting sleeve (10), a supporting sheet (18) is fixedly mounted in the supporting sheet frame (17), a hinge shaft (19) is fixedly mounted in the middle of the supporting sheet (18), and limiting sheets (20, and the two sides of spacing slab (20) run through and seted up magnetism and inhale ring (21), the surface rotation of hinge (19) is connected with articulated piece (22), the tip fixed mounting of articulated piece (22) has connecting block (23), one side fixed mounting that articulated piece (22) were kept away from in connecting block (23) has handheld strip (24), the inside of connecting block (23) is equipped with sliding chamber (26), sliding hole (25) have been seted up in top surface and the bottom surface of sliding chamber (26) inner wall and the top and the bottom on connecting block (23) surface run through, the inside sliding connection of sliding chamber (26) has sliding plug (27), the top surface and the bottom surface fixed mounting of sliding plug (27) have magnetism to inhale axle (28).

2. The cervical brush for gynecology according to claim 1, wherein the surface of the hand-held strip (24) is adhered with a hand-held contact pad (29), and the surface of the hand-held contact pad (29) is provided with an anti-slip groove (30).

3. A gynecological cervical brush according to claim 2, characterized in that the hand-held contact pad (29) is a silicone rubber pad and the number of the anti-slip grooves (30) is three.

4. A cervical brush for gynecology according to claim 1, wherein the surface of the internal thread connecting pipe (4) is provided with anti-slip convex stripes (31), the number of the anti-slip convex stripes (31) is four, and the four anti-slip convex stripes (31) are respectively located at the front side and the rear side of the surface of the internal thread connecting pipe (4).

5. The cervical brush for gynecology according to claim 1, wherein the magnetic ring (21) and the magnetic shaft (28) are made of magnet material, and the magnetic shaft (28) is slidably connected inside the sliding hole (25).

6. A cervical brush for gynecology according to claim 1, wherein the number of the hinge pieces (22) is two, and the two hinge pieces (22) are respectively located on the front and back of the support piece (18).

7. The cervical brush for gynecology according to claim 1, wherein the limiting button (16) is slidably inserted into the communicating hole (12) and the limiting through hole (11), and the apertures of the communicating hole (12) and the limiting through hole (11) are equal.

8. A cervical brush for gynecology according to claim 1, wherein the number of the limiting through holes (11) is three, and the fastening washer (5) is a viton ring.