CN215458497U - Cervical dilator for gynecological operation - Google Patents
Cervical dilator for gynecological operation Download PDFInfo
- Publication number
- CN215458497U CN215458497U CN202120611314.0U CN202120611314U CN215458497U CN 215458497 U CN215458497 U CN 215458497U CN 202120611314 U CN202120611314 U CN 202120611314U CN 215458497 U CN215458497 U CN 215458497U
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- Prior art keywords
- groove
- pull rod
- block
- connecting block
- supporting plate
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- 230000010339 dilation Effects 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 2
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 210000003781 tooth socket Anatomy 0.000 description 7
- 210000003739 neck Anatomy 0.000 description 6
- 210000003679 cervix uteri Anatomy 0.000 description 3
- 230000000916 dilatatory effect Effects 0.000 description 3
- 210000004291 uterus Anatomy 0.000 description 2
- 206010067268 Post procedural infection Diseases 0.000 description 1
- 206010000210 abortion Diseases 0.000 description 1
- 231100000176 abortion Toxicity 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The cervical dilator effectively solves the problems that the existing cervical dilator has great damage to uterine membranes, is susceptible to infection in the process of repeated uterine dilation and causes other diseases; the multi-position telescopic supporting device comprises supporting blocks, wherein an upper supporting plate is rotatably connected to each supporting block, a connecting block is fixedly connected to one side of the upper supporting plate, a threaded rod rotatably connected with the connecting block penetrates through the connecting block, a limiting nut is sleeved on the threaded rod, a lower supporting plate capable of vertically sliding is slidably connected to the lower side of each supporting block, and a first multi-position telescopic pull rod and a second multi-position telescopic pull rod are arranged between the lower supporting plate and the supporting blocks.
Description
Technical Field
The utility model relates to the technical field of medical assistance, in particular to a cervical dilatation device for gynecological operation.
Background
In the operation of induced abortion, it is necessary to dilate the cervix using a cervical dilation instrument. The cervical dilation forceps used clinically at present are extremely common in application, and are also of multiple types, and the cervical dilation forceps comprise forceps bodies, parallel rods, holding rods, parallel rods and the like, the parallel rods are enabled to be expanded in parallel through the structural action of the parallel connecting rods, two anastomotic forceps mouths are driven to be expanded in parallel, each set of forceps mouth has different outer diameter sizes from small to large, the uterine necks are inserted one by one from small to large during use, the purpose of dilating the uterine necks is achieved, the uterine necks are inserted into the uterine necks for multiple times during operation, and the forceps mouths are parallelly moved in the uterine necks to be repeatedly pushed and pulled, so that the skin of the external opening of the uterine necks easily drops, postoperative infection and other adverse effects are caused, and the cervical dilation forceps are not favorable for clinical popularization and application.
SUMMERY OF THE UTILITY MODEL
Aiming at the situation, the utility model provides the cervical dilator for gynecological operation, which overcomes the defects of the prior art, and effectively solves the problems that the existing cervical dilator has great damage to uterine membranes, is easy to infect and causes other diseases in the process of repeated uterine dilatation.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model comprises a supporting block, an upper supporting plate is rotatably connected to the supporting block, a connecting block is fixedly connected to one side of the upper supporting plate, a threaded rod rotatably connected to the connecting block penetrates through the connecting block, a limit nut is sleeved on the threaded rod, a lower supporting plate capable of vertically sliding is slidably connected to the lower side of the supporting block, a first pull rod is fixedly connected to the lower supporting plate, a second pull rod fixedly connected to the supporting block is slidably connected to the first pull rod, a limit block is rotatably connected to the first pull rod, a wedge-shaped tooth socket and a limit groove are formed in the limit block, an elastic pressing plate fixedly connected to the first pull rod is matched to the upper side of the wedge-shaped tooth socket, a limit pin is fixedly connected to the other end of the limit block, a strip-shaped ratchet groove is matched to the limit pin, a first cambered surface groove is connected to the upper side of the ratchet groove, and a second cambered surface groove is connected to the lower side of the ratchet groove, the ratchet groove, the first cambered surface groove and the second cambered surface groove are all located on the second pull rod, the structure that the pressure plate is matched with the limiting groove to enable the limiting pin to be separated from the ratchet groove is formed when the limiting pin is located at the first cambered surface groove, and the structure that the pressure plate is matched with the wedge-shaped gear groove to enable the limiting pin to fall into the ratchet groove is formed when the limiting pin is located at the second cambered surface groove.
Preferably, a first sliding groove is formed in the connecting block, the threaded rod is located in the second sliding groove and penetrates through the first sliding groove, and the limiting nut is located on the front side of the connecting block.
Preferably, the front ends of the upper supporting plate and the lower supporting plate are both in a U-shaped shape, and U-shaped grooves are formed in the supporting blocks.
Preferably, a sliding block is fixedly connected to the first pull rod, the sliding block is connected with the supporting block in a sliding mode, a second sliding groove is connected to the sliding block in a sliding mode, and the second sliding groove is located on the supporting block.
Preferably, the shape of the pressure plate is a side-placed L-shaped shape.
Preferably, the lower supporting plate is provided with a reversely bent hook below, and the supporting block, the connecting block and the limiting nut are all provided with anti-skidding grooves.
Compared with the prior art, the utility model has the outstanding advantages that: the space between the upper supporting plate and the lower supporting plate can be adjusted in two ways, a multi-position telescopic structure is arranged between the first pull rod and the second pull rod, the upper supporting plate and the lower supporting plate can be conveniently moved in a large-range distance, and the space between the upper supporting plate and the supporting block is finely adjusted through the rotary connection between the upper supporting plate and the supporting block, so that the device meets the requirements of different patients on the aperture, the plugging times are reduced, and the infection to the cervix of the patient is avoided; the cervical dilator has the advantages of novel structure, ingenious design and simple and convenient operation, and effectively solves the problems that the conventional cervical dilator has great damage to a uterine membrane and is susceptible to infection and other diseases in the process of repeatedly dilating the uterus.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic cross-sectional view of the present invention.
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention.
Fig. 4 is a schematic view of a first pull rod connection structure according to the present invention.
Fig. 5 is a schematic view of a connection structure of the limiting block of the present invention.
Reference numbers in the figures: 1. a support block; 2. an upper supporting plate; 3. connecting blocks; 4. a threaded rod; 5. a limit nut; 6. a lower supporting plate; 7. a first pull rod; 8. a second pull rod; 9. a limiting block; 10. a wedge-shaped tooth socket; 11. A limiting groove; 12. pressing a plate; 13. a spacing pin; 14. a ratchet groove; 15. a first cambered surface groove; 16. a second cambered surface groove; 17. a first chute; 18. a groove; 19. a slider; 20. a second chute; 21. and (4) an anti-slip groove.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 5.
The utility model comprises a supporting block 1, an upper supporting plate 2 is rotatably connected on the supporting block 1, a connecting block 3 is fixedly connected on one side of the upper supporting plate 2, a threaded rod 4 rotatably connected with the connecting block 3 penetrates through the connecting block 3, a limit nut 5 is sleeved on the threaded rod 4, a lower supporting plate 6 capable of vertically sliding is slidably connected on the lower side of the supporting block 1, a first pull rod 7 is fixedly connected on the lower supporting plate 6, a second pull rod 8 fixedly connected with the supporting block 1 is slidably connected on the first pull rod 7, a limiting block 9 is rotatably connected on the first pull rod 7, a wedge-shaped tooth socket 10 and a limiting groove 11 are arranged on the limiting block 9, an elastic pressing plate 12 fixedly connected with the first pull rod 7 is matched above the wedge-shaped tooth socket 10, a limiting pin 13 is fixedly connected at the other end of the limiting block 9, and a strip-shaped ratchet socket 14 is matched on the limiting pin 13, the upper side of the ratchet groove 14 is connected with a first arc surface groove 15, the lower side of the ratchet groove 14 is connected with a second arc surface groove 16, the ratchet groove 14, the first arc surface groove 15 and the second arc surface groove 16 are all located on the second pull rod 8, when the limiting pin 13 is located at the position of the first arc surface groove 15, a structure that the pressing plate 12 is matched with the limiting groove 11 to enable the limiting pin 13 to be separated from the ratchet groove 14 is formed, and when the limiting pin 13 is located at the position of the second arc surface groove 16, a structure that the pressing plate 12 is matched with the wedge-shaped groove 10 to enable the limiting pin 13 to fall in the ratchet groove 14 is formed.
An included angle which is more than ninety degrees is formed between the connecting block 3 and the upper supporting plate 2, the upper supporting plate 2 and the supporting block 1 can rotate, the supporting block 1 and the lower supporting plate 6 can vertically slide up and down, when the lower supporting plate 6 slides downwards relative to the supporting block 1, the distance between the lower supporting plate 6 and the upper supporting plate 2 is increased, so that the through hole between the upper supporting plate 2 and the lower supporting plate 6 is enlarged, the cervical part of a patient is propped, the operation of medical personnel is convenient, the distance between the upper supporting plate 2 and the supporting block 1 can be adjusted in a large range by moving the upper supporting plate 2 and the supporting block 1, when the distance is finely adjusted, the distance can be adjusted by rotating the upper supporting plate 2, specifically, the limit nut 5 on the threaded rod 4 is rotated, when the limit nut 5 drives the connecting block 3 to move backwards relative to the threaded rod 4, the connecting block 3 can drive the upper supporting plate 2 to rotate along the hinged point of the supporting block 1, thereby leading the rear side of the upper supporting plate 2 to tilt upwards and increasing the distance between the upper supporting plate 2 and the lower supporting plate 6; the first pull rod 7 and the second pull rod 8 between the lower supporting plate 6 and the supporting block 1 are mostly of telescopic structures, when the pressing plate 12 is matched with the wedge-shaped tooth socket 10, the clockwise rotation of the limiting block 9 is limited, when the limiting pin 13 is positioned at the bottommost part in the ratchet socket 14, the connecting line of the axis of the limiting pin 13 and the center of the limiting block 9 is parallel to the first pull rod 7, the first pull rod 7 moves upwards relative to the second pull rod 8, the first pull rod 7 moves upwards to drive the lower supporting plate 6 to move upwards so as to reduce the distance between the upper supporting plate 2 and the lower supporting plate 6, when the first pull rod 7 moves upwards, the limiting pin 13 is matched with the ratchet socket 14 to drive the limiting block 9 to rotate anticlockwise, the ratchet socket 14 is matched with the limiting pin 13 to drive the rotating block to rotate by an angle smaller than the included angle between the wedge-shaped tooth socket 10 and the limiting socket 11, so that the pressing block can not be matched with the limiting socket 11 when the limiting pin 13 moves in the ratchet socket 14, the radian of the first cambered groove 15 is larger than that of the ratchet groove 14, when the limiting pin 13 is positioned in the first cambered groove 15, the limiting block 9 rotates anticlockwise to enable the pressing plate 12 to be matched with the limiting groove 11, the height of the limiting pin 13 is higher than the tooth crest of the ratchet groove 14, no vertical limiting exists between the first pull rod 7 and the second pull rod 8, the first pull rod 7 and the second pull rod 8 can slide freely, the minimum distance between the upper supporting plate 2 and the lower supporting plate 6 is the minimum distance, the device can conveniently enter the cervix, the first pull rod 7 can be pushed to slide downwards relative to the second pull rod 8, after the limiting pin 13 is positioned in the second cambered groove 16, the limiting block 9 is pushed to rotate clockwise by the acting force between the second cambered groove 16 and the cylindrical pin, when the limiting pin 13 falls into the ratchet groove 14 again, the maximum distance between the upper supporting plate 2 and the lower supporting plate 6 is the maximum distance, medical staff can pull the first pull rod 7 upwards according to the comfort of a patient and the surgical requirements, thereby making the space between the upper supporting plate 2 and the lower supporting plate 6 more suitable for the patient.
The connecting block 3 is provided with a first sliding groove 17, the threaded rod 4 is positioned in the second sliding groove 20 and penetrates through the first sliding groove 17, and the limiting nut 5 is positioned on the front side of the connecting block 3.
Threaded rod 4 can slide from top to bottom and can the back-and-forth movement again in first spout 17, and first spout 17 can avoid connecting block 3 to produce the interference condition between connecting block 3 and threaded rod 4 when rotating.
The front ends of the upper supporting plate 2 and the lower supporting plate 6 are both U-shaped, and U-shaped grooves 18 are formed in the supporting block 1.
Go up fagging 2 and lower fagging 6 and be the edges and corners that the U type shape reduced the device, avoid causing the damage to patient's cervical department, recess 18 can avoid supporting shoe 1 to block medical personnel's observation sight, and medical personnel of being convenient for carry out the operation.
The first pull rod 7 is fixedly connected with a sliding block 19, the sliding block 19 is in sliding connection with the supporting block 1, the sliding block 19 is in sliding connection with a second sliding groove 20, and the second sliding groove 20 is located on the supporting block 1.
The sliding block 19 and the second sliding groove 20 ensure that only the freedom degree of vertical sliding exists between the supporting block 1 and the lower supporting plate 6, and meanwhile, the second sliding groove 20 plays a role in guiding the movement of the sliding block 19.
The lower supporting plate 6 is provided with a hook bent backwards below, and the supporting block 1, the connecting block 3 and the limiting nut 5 are all provided with anti-skidding grooves 21.
The reverse-bending hook and the anti-skid groove 21 of the lower supporting plate 6 are used for increasing the friction force between the hand and the device part, so that the device is convenient to adjust, and the use experience is improved.
The cervical dilator has the advantages of novel structure, ingenious design and simple and convenient operation, and effectively solves the problems that the conventional cervical dilator has great damage to a uterine membrane and is susceptible to infection and other diseases in the process of repeatedly dilating the uterus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. Gynaecology's operation cervical dilatation device, including supporting shoe (1), its characterized in that, it is connected with backup pad (2) to rotate on supporting shoe (1), go up backup pad (2) one side fixedly connected with connecting block (3), run through threaded rod (4) of being connected with connecting block (3) rotation on connecting block (3), the cover has stop nut (5) on threaded rod (4), but the downside sliding connection of supporting shoe (1) has vertical gliding lower stay plate (6), fixedly connected with first pull rod (7) on lower stay plate (6), first pull rod (7) sliding connection have with supporting shoe (1) fixed connection's second pull rod (8), it is connected with stopper (9) to rotate on first pull rod (7), it has wedge tooth's socket (10) and spacing groove (11) to open on stopper (9), the cooperation of wedge tooth's socket (10) top has the clamp plate (12) with first pull rod (7) fixed connection's elasticity The other end of the limiting block (9) is fixedly connected with a limiting pin (13), the limiting pin (13) is matched with a strip-shaped ratchet groove (14), the upper side of the ratchet groove (14) is connected with a first arc surface groove (15), the lower side of the ratchet groove (14) is connected with a second arc surface groove (16), the ratchet groove (14), the first arc surface groove (15) and the second arc surface groove (16) are all located on the second pull rod (8), when the limiting pin (13) is located at the position of the first arc surface groove (15), a structure that the limiting pin (13) is separated from the ratchet groove (14) through the matching of a pressing plate (12) and the limiting groove (11) is formed, and when the limiting pin (13) is located at the position of the second arc surface groove (16), a structure that the pressing plate (12) is matched with the wedge-shaped ratchet groove (10) to enable the limiting pin (13) to fall in the ratchet groove (14) is formed.
2. Gynecological cervical dilation device according to claim 1, wherein the connecting block (3) is provided with a first sliding slot (17), the threaded rod (4) is located inside the second sliding slot (20) and passes through the first sliding slot (17), and the stop nut (5) is located at the front side of the connecting block (3).
3. The gynecological cervical dilatation device of claim 1 wherein the front ends of the upper support plate (2) and the lower support plate (6) are both U-shaped, and the support block (1) is provided with a U-shaped groove (18).
4. Gynecological cervical dilation device according to claim 1, wherein a slider (19) is fixedly connected to the first pull rod (7), the slider (19) is slidably connected to the support block (1), the slider (19) is slidably connected to a second sliding groove (20), and the second sliding groove (20) is located on the support block (1).
5. Gynecological cervical dilation device according to claim 1, characterized in that the pressure plate (12) is shaped as a side-lying L.
6. The gynecological operation cervical dilatation device of claim 1 characterized in that a reverse-bending hook is arranged under the lower supporting plate (6), and anti-skid grooves (21) are arranged on the supporting block (1), the connecting block (3) and the limiting nut (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120611314.0U CN215458497U (en) | 2021-03-25 | 2021-03-25 | Cervical dilator for gynecological operation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120611314.0U CN215458497U (en) | 2021-03-25 | 2021-03-25 | Cervical dilator for gynecological operation |
Publications (1)
Publication Number | Publication Date |
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CN215458497U true CN215458497U (en) | 2022-01-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120611314.0U Expired - Fee Related CN215458497U (en) | 2021-03-25 | 2021-03-25 | Cervical dilator for gynecological operation |
Country Status (1)
Country | Link |
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CN (1) | CN215458497U (en) |
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2021
- 2021-03-25 CN CN202120611314.0U patent/CN215458497U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |
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CF01 | Termination of patent right due to non-payment of annual fee |