CN115153413A

CN115153413A - Adjustable duckbilled vaginal speculum

Info

Publication number: CN115153413A
Application number: CN202210723544.5A
Authority: CN
Inventors: 金海容; 林莉; 谢爱兰
Original assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Current assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-10-11

Abstract

The invention discloses an adjustable duckbill vaginal speculum which comprises an upper blade and a lower blade, wherein the rear end part of the upper blade and the rear end part of the lower blade are hinged with each other, an observation channel is formed between the upper blade and the lower blade, the rear end parts of the upper blade and the lower blade form extension surfaces, the two extension surfaces are rotatably connected with a first telescopic rod, the free end of the first telescopic rod is detachably connected with a fixed plate, one surface of the fixed plate, which is far away from the first telescopic rod, is symmetrically provided with clamping grooves, the clamping grooves are used for clamping cervical holding forceps, the clamping grooves can be folded through the arrangement of the first telescopic rod, so that the observation of the observation channel is prevented from being influenced, the holding forceps can be moved to the edge of the observation channel through the first telescopic rod and the fixed plate, the observation channel can obtain the largest observation range, the lateral observation of a cervical holding part can be realized through the movement of the observation forceps, and the clamping grooves can be directly clamped into the clamping grooves through the arrangement of the clamping grooves, so that the operation is convenient.

Description

Adjustable duckbilled vaginal speculum

Technical Field

The invention relates to the technical field of medical instruments, in particular to an adjustable duckbill vaginal speculum.

Background

A vaginal speculum is an instrument for dilating a female vagina in gynecological examination, and generally comprises two blades, wherein the two blades are opened and closed up and down to dilate the vagina.

The prior patent with application number cn201910931370.X discloses a vaginal speculum, specifically disclosing that by arranging a driving rod, a slider, a clamp and a clamping column on a lower blade, the driving rod is twisted to drive the slider to move, the clamp is further driven to move and close the clamping column, so as to realize the clamping of a cervical clamp holder, but the device still has the following defects when in use: clamping mechanism etc. all install on the lower blade on the one hand, lead to it can influence the normal observation to the vagina when not using cervical holder, and the doctor need operate cervical holder simultaneously when the operation, wrench movement actuating lever on the one hand, and it is very inconvenient to use, consequently, needs one kind can obtain normal observation field of vision when not using cervical holder, can be convenient for fix the adjustable duckbilled formula vaginal speculum of cervical holder simultaneously.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an adjustable duckbill vaginal speculum which can obtain a normal observation visual field when a cervical holder is not used and can be used for conveniently fixing the cervical holder.

In order to realize the purpose, the invention provides the following technical scheme: the utility model provides a vaginal speculum is peeld to adjustable duckbilled formula, includes blade and lower blade, the back tip of going up the blade and the back tip of lower blade are articulated each other, it observes the passageway to go up to form between blade and the lower blade, it all forms the face of extending, two to go up blade back tip and lower blade back tip all to rotate on the face of extending and be connected with first telescopic link, first telescopic link free end can be dismantled and be connected with the fixed plate, the one side symmetry that first telescopic link was kept away from to the fixed plate is equipped with the joint groove, the joint groove is used for joint cervical holding pincers.

As a further improvement of the invention, the floating plates are symmetrically arranged in the clamping groove, the clamping groove is internally provided with a second telescopic rod and is connected with the floating plates through the second telescopic rod, the second telescopic rod is connected with the spherical surface pair of the floating plates, and a first spring is wound around the second telescopic rod and is used for driving the floating plates to move in the direction away from the second telescopic rod.

As a further improvement of the invention, a containing cavity is arranged in the floating plate, a first opening and a second opening which are communicated with the containing cavity are respectively arranged at two ends of the floating plate, a roller is arranged at the first opening, the roller partially extends out of the first opening and is abutted against the cervical clamp, an abutting part is arranged at the second opening, a driving mechanism connected with the abutting part is arranged in the containing cavity, and the roller rolls to drive one end of the abutting part to extend out of the second opening through the driving mechanism.

As a further improvement of the present invention, the driving mechanism includes a balancing rod, two ends of the balancing rod are respectively disposed corresponding to the lower end of the roller and the lower end of the abutting member, the middle section of the balancing rod is hinged to the accommodating cavity, a driving block is disposed on the outer wall of the roller, and the roller rolls to drive the driving block to abut against one end of the balancing rod and swing in a direction away from the roller.

As a further improvement of the invention, the inner wall of the accommodating cavity is provided with vertically arranged sliding grooves corresponding to two sides of the roller, sliding blocks are arranged in the sliding grooves, the roller is fixedly provided with a rotating rod along the axis direction, two ends of the rotating rod are respectively rotatably connected with the sliding blocks at two sides, a second spring is arranged in the sliding groove, two ends of the second spring are respectively connected with the sliding grooves and the sliding blocks, the second spring is used for driving the sliding blocks to move towards the first opening direction, and after the roller is moved, the upper end face of the roller is aligned with one face of the floating plate, which is far away from the second telescopic rod.

As a further improvement of the invention, the free end of the first telescopic rod is connected with a spherical pair of the fixed plate.

As a further improvement of the invention, the roller is provided with a rolling groove along the rolling surface, and the edge of the rolling groove forms an arc surface.

As a further improvement of the invention, the first telescopic rod is connected with the upper part of the fixed plate.

The invention has the beneficial effects that:

1. the first telescopic rod can be folded, so that the observation of the observation channel is prevented from being influenced;

2. the clamping forceps can be moved to the edge of the observation channel through the first telescopic rod and the fixing plate, so that the observation channel can obtain the largest observation range, and the lateral direction of the cervical clamping part can be observed through the movement of the observation forceps;

3. the clamping pincers can be directly clamped into the clamping groove through the clamping groove, so that the operation is convenient.

Drawings

FIG. 1 is a first overall installation schematic of the present invention;

FIG. 2 is a second overall installation schematic of the present invention;

FIG. 3 is a schematic view illustrating the installation of the clamping groove and the clamping block according to the present invention;

FIG. 4 is a schematic view of the floating plate installation of the present invention;

FIG. 5 is a schematic cross-sectional view of a containment cavity of the present invention;

FIG. 6 is a schematic view of a glide groove of the present invention;

FIG. 7 is a schematic view of a roller according to the present invention.

Reference numerals: 1. an upper blade; 2. a lower blade; 3. an observation channel; 4. an extension plane; 5. a first telescopic rod; 6. a fixing plate; 7. a clamping block; 8. a card slot; 9. a clamping groove; 10. a handle portion; 11. a bump; 12. a fixing strip; 13. hooking a groove; 14. a floating plate; 15. a second telescopic rod; 16. a first spring; 17. an accommodating cavity; 18. a first opening; 19. a second opening; 20. a roller; 21. a contact member; 22. a drive mechanism; 23. a drive block; 24. a sliding groove; 25. a sliding block; 26. rotating the rod; 27. a second spring; 28. rolling a groove; 29. and (5) cambered surface.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples. In which like parts are designated by like reference numerals.

As shown in fig. 1-7, an adjustable duckbill vaginal speculum comprises an upper blade 1 and a lower blade 2, wherein the rear end of the upper blade 1 and the rear end of the lower blade 2 are hinged to each other, an observation channel 3 is formed between the upper blade 1 and the lower blade 2, the rear end of the upper blade 1 and the rear end of the lower blade 2 both form extension surfaces 4, a first telescopic rod 5 is rotatably connected to both of the extension surfaces 4, the free end of the first telescopic rod 5 is detachably connected to a fixing plate 6, in one embodiment, the first telescopic rod 5 and the fixing plate 6 are connected to each other through a magnetic member, in the embodiment, the first telescopic rod 5 and the fixing plate 6 are in clamping connection, that is, a clamping block 7 and a clamping groove 8 are respectively arranged on the first telescopic rod 5 and the fixing plate 6 to realize clamping connection, the one side symmetry that first telescopic link 5 was kept away from to fixed plate 6 is equipped with joint groove 9, joint groove 9 is used for joint cervical holding forceps, joint groove 9 is trapezoidal, 9 cross-sectional areas of joint groove expand to the one end of keeping away from observation passageway 3 by the one end that is close to observation passageway 3 anterior segment gradually, can contract when not using cervical holding forceps conceals on the one hand through setting up of first telescopic link 5, thereby avoid hindering the observation, simultaneously can cooperate fixed plate 6 to adjust the border position of observation passageway 3 with cervical holding forceps through setting up of first telescopic link 5, thereby realize the observation to cervical lateral position, can obtain the biggest observation field of observation passageway 3 simultaneously, can dismantle when not using through the connection of dismantling of fixed plate 6 simultaneously, thereby further reduce the interference of observing the cervix.

Preferably, the upper blade 1 is provided with a handle portion 10, the rear end of the upper blade 1 is provided with a hinge portion and is hinged to the lower blade 2, the handle portion 10 is provided with a fixing component, the handle portion 10 is fixed to the corresponding extending surface 4 of the lower blade 2 through the fixing component, so that the upper blade 1 and the lower blade 2 are kept in a spreading state, in one embodiment, the fixing component is a magnet, and meanwhile, an adsorption piece and a magnet are arranged on the corresponding extending surface 4 of the lower blade 2 to be magnetically connected to achieve fixing, in this embodiment, the fixing component is a protruding block 11 symmetrically arranged on two sides of the handle portion 10, a fixing strip 12 is rotatably connected to the extending surface 4 of the lower blade 2, at least two hook grooves 13 are formed in the fixing strip 12 in the length direction, the hook grooves 13 are used for clamping the protruding block 11, spreading ranges of the upper blade 1 and the lower blade 2 can be controlled through the fixing strip 12 and the hook grooves 13, and self-adjustment can be achieved according to actual needs.

Preferably, the interior symmetry of joint groove 9 is equipped with floating plate 14, be equipped with second telescopic link 15 in joint groove 9 and be connected with floating plate 14 through second telescopic link 15, second telescopic link 15 is connected with floating plate 14 sphere pair, second telescopic link 15 is outer around having first spring 16, first spring 16 is used for driving floating plate 14 and removes to keeping away from 15 directions of second telescopic link, and the spherical pair's that sets up through floating plate 14 and floating plate 14 connection can carry out automatically regulated according to the joint position to cervical holding forceps to obtain the biggest contact area with cervical holding forceps, thereby improve the joint effect to cervical holding forceps, simultaneously because different people and different clamping position can lead to cervical holding forceps's joint position and range diverse, consequently can the each joint position and range that cervical holding forceps open through floating plate 14 and second telescopic link 15 adaptation cervical holding forceps, thereby improve the practicality, the setting of first spring 16 can keep conflicting all the time of 14 and cervical holding forceps, thereby improves stability.

Preferably, a containing cavity 17 is arranged in the floating plate 14, a first opening 18 and a second opening 19 which are communicated with the containing cavity 17 are respectively arranged at two ends of the floating plate 14, a roller 20 is arranged at the first opening 18, part of the roller 20 extends out of the first opening 18 and abuts against the cervical clamp, an abutting part 21 is arranged at the second opening 19, a driving mechanism 22 which is connected with the abutting part 21 is arranged in the containing cavity 17, the roller 20 rolls and drives one end of the abutting part 21 to extend out of the second opening 19 through the driving mechanism 22, the cervix has certain elasticity, so that when a woman moves or the force is applied to the cervix, the clamping clamp is driven to move back, when the clamping clamp is pulled, the wall of the clamping clamp abuts against the roller 20 to drive the roller 20 to roll, the electric abutting part 21 further extends out through the driving mechanism 22 and applies force to the clamping clamp, the clamping force of the clamping clamp is improved, the clamping part of the clamping clamp is prevented from falling off, and meanwhile, the clamping clamp can be matched with the second telescopic rod 15 and the first spring 16, so that the clamping clamp can be folded automatically, and the clamping clamp can still keep a fixed clamping effect.

Preferably, actuating mechanism 22 includes the balancing pole, the balancing pole both ends correspond gyro wheel 20 lower extreme and conflict 21 lower extreme setting respectively, the balancing pole middle section is articulated with holding cavity 17, the 20 outer walls of gyro wheel are equipped with drive block 23, gyro wheel 20 rolls and drives 23 conflict balancing pole one end of drive block and to keeping away from 20 direction swings of gyro wheel, when using, when gyro wheel 20 rolls, drives drive block 23 and conflicts with balancing pole one end to along with gyro wheel 20 rolls, drive block 23 drives the balancing pole and constantly takes place the slope, thereby drives conflict 21 and stretches out second opening 19, can adapt to the small amplitude roll of gyro wheel 20 through setting up of balancing pole and drive block 23, thereby makes overall structure more succinct.

Preferably, it all is equipped with the sliding groove 24 of vertical setting to hold cavity 17 inner wall corresponding gyro wheel 20 both sides, be equipped with sliding block 25 in the sliding groove 24, gyro wheel 20 is along the fixed dwang 26 that is equipped with of axis direction, dwang 26 both ends respectively with both sides sliding block 25 rotates to be connected, be equipped with second spring 27 in the sliding groove 24, sliding groove 24 and sliding block 25 are connected respectively at second spring 27 both ends, second spring 27 is used for driving sliding block 25 and removes to first opening 18 direction, gyro wheel 20 removes and accomplishes the back gyro wheel 20 up end aligns with the one side that second telescopic link 15 was kept away from to floating board 14, can reciprocate gyro wheel 20 through sliding groove 24 and sliding block 25 to make centre gripping pincers and floating board 14 carry out the face contact, avoid floating board 14 and the centre gripping pincers separation form that cause by gyro wheel 20, only contradict by gyro wheel 20 up end and centre gripping pincers promptly, thereby area of contact reduces, and stability descends, can make the swing that the pole takes place the bigger degree through reciprocating of gyro wheel simultaneously to increase driving block 23 application of force.

Preferably, the free end of the first telescopic rod 5 is connected with the spherical pair of the fixed plate 6, the self-adaption fixing can be carried out according to the local clamping position of the clamping pincers and the clamping angle of the clamping pincers through the connection mode of the spherical pair, and meanwhile the clamping pincers can be moved to the left side and the right side of the observation channel 3 by matching with the second telescopic rod 15, so that the practicability is expanded.

Preferably, the roller 20 is provided with a rolling groove 28 along the rolling surface thereof, the edge of the rolling groove 28 forms an arc surface 29, the rolling groove 28 and the arc surface 29 can be matched with the curved edge of the clamping pliers, and meanwhile, the rolling groove can be matched with the spherical pair of the first telescopic rod 5 to swing to a certain degree so as to improve the fixing effect of the clamping pliers.

Preferably, first telescopic link 5 and 6 upper portions of fixed plate are connected for after the centre gripping pincers installation, because the tie point of first telescopic link 5 and fixed plate 6 is upper portion, make fixed plate 6 can swing, thereby cooperate the spherical pair of first telescopic link 5 and fixed plate 6 to connect and carry out the slope conflict to the centre gripping pincers, thereby with fixed plate 6 with form the circumference conflict to the centre gripping pincers together, thereby avoid the defect that the vertical atress of centre gripping pincers drops easily.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an adjustable duckbilled vaginal speculum which characterized in that: including last blade (1) and under blade (2), the back tip of going up blade (1) and the back tip of under blade (2) are articulated each other, it observes passageway (3) to go up to form between blade (1) and under blade (2), it all forms extension face (4), two to go up blade (1) back tip and under blade (2) back tip all extend face (4) on extending face (4) all rotate and be connected with first telescopic link (5), first telescopic link (5) free end can be dismantled and be connected with fixed plate (6), the one side symmetry that first telescopic link (5) were kept away from in fixed plate (6) is equipped with joint groove (9), joint groove (9) are used for joint palace neck holding pincers.

2. The adjustable duckbill speculum of claim 1, wherein: the novel floating plate fixing device is characterized in that floating plates (14) are symmetrically arranged in the clamping groove (9), a second telescopic rod (15) is arranged in the clamping groove (9) and connected with the floating plates (14) through the second telescopic rod (15), the second telescopic rod (15) is connected with a spherical pair of the floating plates (14), a first spring (16) winds the outer ring of the second telescopic rod (15), and the first spring (16) is used for driving the floating plates (14) to move towards the direction away from the second telescopic rod (15).

3. An adjustable duckbill speculum according to claim 2, wherein: be equipped with in floating plate (14) and hold cavity (17), floating plate (14) both ends are equipped with respectively and hold first opening (18) and second opening (19) of cavity (17) intercommunication, first opening (18) department is equipped with gyro wheel (20), gyro wheel (20) part is stretched out first opening (18) and is contradicted with cervical centre gripping pincers, second opening (19) department is equipped with and supports thing (21), be equipped with actuating mechanism (22) of being connected with conflict piece (21) in holding cavity (17), gyro wheel (20) roll and drive to support thing (21) one end through actuating mechanism (22) and stretch out from second opening (19).

4. An adjustable duckbill speculum according to claim 3, wherein: actuating mechanism (22) include the balancing pole, the balancing pole both ends correspond gyro wheel (20) lower extreme and conflict piece (21) lower extreme setting respectively, the balancing pole middle section is articulated with holding cavity (17), gyro wheel (20) outer wall is equipped with drive block (23), gyro wheel (20) roll and drive block (23) conflict balancing pole one end and to keeping away from gyro wheel (20) direction swing.

5. The adjustable duckbill speculum of claim 4, wherein: hold cavity (17) inner wall and correspond groove (24) that slides that gyro wheel (20) both sides all were equipped with vertical setting, be equipped with sliding block (25) in groove (24) slides, gyro wheel (20) are fixed along the axis direction and are equipped with dwang (26), dwang (26) both ends respectively with both sides sliding block (25) rotate to be connected, be equipped with second spring (27) in groove (24) slides, groove (24) and sliding block (25) slide are connected respectively at second spring (27) both ends, second spring (27) are used for driving sliding block (25) and remove to first opening (18) direction, gyro wheel (20) remove and accomplish the back gyro wheel (20) up end aligns with the one side of keeping away from second telescopic link (15) with unsteady board (14).

6. An adjustable duckbill speculum according to any one of claims 1-3, wherein: the free end of the first telescopic rod (5) is connected with the spherical pair of the fixed plate (6).

7. An adjustable duckbill speculum according to claim 3, wherein: the roller (20) is provided with a rolling groove (28) along the rolling surface, and the edge of the rolling groove (28) forms an arc surface (29).

8. An adjustable duckbill speculum according to claim 7, wherein: the first telescopic rod (5) is connected with the upper part of the fixing plate (6).