CN113208863B

CN113208863B - Gynecological uterine curettage auxiliary device

Info

Publication number: CN113208863B
Application number: CN202110515621.3A
Authority: CN
Inventors: 魏利; 王轶英; 樊茹佳; 冯燕; 李琪雁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-09-06
Anticipated expiration: 2041-05-12
Also published as: CN113208863A

Abstract

The gynecological uterine curettage auxiliary device effectively solves the problems that the leg height of the existing device can not be adjusted aiming at different patients, the existing device can not well assist the patients to perform leg opening and poor waste liquid collection and use experience, and even the operation process is influenced; the base is included, fixedly connected with bedplate on the base, the bedplate rear side is rotated and is connected with adjustable backplate, the base rotates and is connected with rotatable drive screw, drive screw middle part threaded connection have with base sliding connection's second slider, second slider below is equipped with adjustable support frame, open the logical groove that has the U type on the bedplate of support frame upside, the left and right sides that leads to the groove all rotates and is connected with rotatable connecting block, the connecting block front side is rotated and is connected with synchronous motion's angle modulation piece, sliding connection has adjustable leg frame on the angle modulation piece, the leg frame upside is rotated and is connected with the buckle that is used for fixing, sliding connection has vertical gliding footboard on the leg frame.

Description

Gynecological uterine curettage auxiliary device

Technical Field

The invention relates to the technical field of medical assistance, in particular to a gynecological uterine curettage assisting device.

Background

The obstetrics and gynecology department is one of four main subjects of clinical medicine, and is mainly used for researching the etiology, pathology, diagnosis and prevention of female reproductive organ diseases, the physiological and pathological changes of pregnancy and childbirth, the prevention and diagnosis and treatment of high-risk pregnancy and dystocia, female reproductive endocrine, family planning, female health care and the like. The advanced research of the medical basic theories of modern molecular biology, oncology, genetics, reproductive endocrinology, immunology and the like and the progress of the clinical medical diagnosis and treatment detection technology widen and deepen the development of the gynecologic and obstetric science, and play an important role in ensuring the health and reproductive health of women and preventing and treating various gynecological diseases.

At present when gynaecology and obstetrics's curettage, it spills the treatment position to need patient to open two legs, later just can normally treat, rely on patient oneself to open both legs not only tired easily, also take place the shank displacement and influence going on of operation when the treatment easily, for this reason, some have appeared supporting spacing auxiliary device to patient's shank, however, these current auxiliary device simple structure, excellent in use effect is not enough, when using, the support height of its shank can't advance to adjust according to different patient's needs, and still need patient oneself to open both legs and treat, for this reason, medical personnel can not adjust the degree that patient's both legs opened as required, thereby have certain influence to the operation, for this reason, the auxiliary device that excellent in use effect is urgently needed.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the invention provides the gynecological uterine curettage assisting device, and by means of the design, the problems that the conventional gynecological uterine curettage assisting device is simple in structure, cannot adjust the leg heights of different patients, cannot well assist the patients in stretching the legs and poor in waste liquid collection and use experience, and even influences the operation process are effectively solved.

In order to achieve the purpose, the invention provides the following technical scheme: the invention comprises a base, a seat board is fixedly connected to the base, an adjustable back board is rotatably connected to the rear side of the seat board, a rotatable first bevel gear set is rotatably connected to the base, a driving screw rod rotatably connected to the base is fixedly connected to the first bevel gear set, a first slide block slidably connected to both the base and the back board is threadedly connected to the rear side of the driving screw rod, a second slide block slidably connected to the base is threadedly connected to the middle of the driving screw rod, an adjustable support frame is arranged below the second slide block, a slidable first clamping block and a slidable second clamping block are slidably connected to the support frame, a U-shaped through groove is formed in the seat board on the upper side of the support frame, rotatable connecting blocks are rotatably connected to the left side and the right side of the through groove, an angle adjusting block which moves synchronously is rotatably connected to the front side of the connecting blocks, and an adjustable leg frame is slidably connected to the angle adjusting block, the upper side of the leg frame is rotatably connected with a buckle plate, a fixing block capable of vertically sliding is connected in the buckle plate in a sliding mode, and a pedal capable of vertically sliding is connected on the leg frame in a sliding mode.

Preferably, the left side and the right side of the back plate are both fixedly connected with armrests, a supporting rod fixedly connected with the back plate is arranged on the outer side of the armrests, the inflection point of the supporting rod is rotatably connected with the seat plate, a first key-shaped groove is formed in the supporting rod, and the left side and the right side of the first sliding block are both located in the first key-shaped groove and are in sliding connection with the first key-shaped groove.

Preferably, the second sliding block comprises two connecting rods which are symmetrically distributed, the front side of each connecting rod is fixedly connected with a first rectangular block which is in threaded connection with the driving screw rod, a second rectangular block is fixedly connected with the rear side of the connecting rod, a height difference is formed between the first rectangular block and the second rectangular block, a rotatable first connecting rod is hinged on the first rectangular block, a second connecting rod with the same length as the first connecting rod is hinged on the second rectangular block, the first connecting rod and the second connecting rod are both rotationally connected with a supporting frame, a rotatable limiting block is rotationally connected on the supporting frame, the upper side of the limiting block is a wedge-shaped cambered surface, a limiting groove is formed in the limiting block, the limiting groove and a hinge joint at the lower end of the first connecting rod are located at the same horizontal height, and a limiting pin matched with the limiting groove is fixedly connected to the first connecting rod;

the first connecting rod is fixedly connected with a transmission gear, a rack fixedly connected with the seat plate is meshed on the upper side of the transmission gear, and the number of tooth grooves in the rack is one fourth of the total number of teeth of the transmission gear.

Preferably, the support frame left and right sides all opens there is the arc wall, sliding connection has the first pull rod of being connected with the stopper rotation in the arc wall, sliding connection has the second pull rod of vertical gliding on the first pull rod, sliding connection has the guide block with support frame bottom fixed connection on the second pull rod, the guide block with fixedly connected with separation blade on the second pull rod between the first pull rod, the separation blade with the cover has the spring on the second pull rod between the guide block.

Preferably, the support frame is provided with a guide groove, the first clamping block and the second clamping block are both in sliding connection with the guide groove, the first clamping block and the second clamping block are in common threaded connection with a first screw rod which is connected with the support frame in a rotating mode, the thread pitch of a thread groove on the rear side of the first screw rod is smaller than that of a thread groove on the front side of the first screw rod, the second clamping block is provided with a second key groove, the second key groove is in sliding connection with a right-angle clamping block which is connected with the support frame in a rotating mode, the other end of the right-angle clamping block is fixedly connected with a cylindrical rod, and a clamping plate is installed on the upper side of the cylindrical rod.

Preferably, a first gear rotationally connected with the seat plate is fixedly connected to the connecting block, the first gear is meshed with a rotatable driving gear, the driving gear is rotationally connected with the seat plate, a second gear fixedly connected with the seat plate is arranged below the connecting block, a third gear rotationally connected with the connecting block is meshed with the second gear, the third gear is meshed with a fourth gear fixedly connected with the angle adjusting block, and the first gear, the second gear, the third gear and the fourth gear are identical in size and specification;

the worm gear is coaxially and fixedly connected to the driving gear, a worm is meshed to the worm gear, a second bevel gear set is coaxially and fixedly connected to the worm, and the other end of the second bevel gear set is fixedly connected with the driving screw.

Preferably, the angle adjusting block is in threaded connection with a second screw, the upper end of the second screw is rotatably connected with the leg frame, the front end of the angle adjusting block is provided with a first sliding groove, and the protruding block on the rear side of the leg frame is located in the first sliding groove and is in sliding connection with the first sliding groove.

Preferably, the buckle with install the buckle between the leg frame, the equal fixedly connected with guide bar of fixed block left and right sides, it has the second spout with guide bar sliding connection to open on the buckle, buckle top surface threaded connection has the third screw rod, the third screw rod runs through the buckle and is connected with the fixed block rotation.

Preferably, the leg frame is provided with a cylindrical hole, the cylindrical hole is internally and slidably connected with an adjusting rod fixedly connected with the pedal, the leg frame on one side of the adjusting rod is in threaded connection with a fastening screw, and the pedal is provided with a fixable strap.

Compared with the prior art, the invention has the beneficial effects that: the back plate, the supporting frame and the leg frame are driven by the driving screw to synchronously move, so that the patient on the device is placed in a position beneficial to the operation of medical personnel, and waste liquid generated by uterine curettage is collected, thereby being beneficial to the operation and the quick cleaning after the operation and improving the efficiency of the medical personnel; the angle adjusting block compensates the rotation of the leg frame for the angle, the parallel and level state of the leg frame and the seat plate is guaranteed, the comfort level of the patient during leg fixing is improved, and the use experience of the patient is improved; the third screw rod can adjust the height of the leg frame, so that the height of the leg of the patient can be adjusted according to the requirements of different patients and actual operations, and the smooth operation is facilitated; the adjusting rod and the fastening screw on the pedal can adjust the distance between the pedal and the leg frame, so that the device is suitable for people with different heights; the uterine curettage assisting device for gynecology is novel in structure, ingenious in conception and simple and convenient to operate, and effectively solves the problems that a conventional uterine curettage assisting device for gynecology is easy to shake and move, occupies a large longitudinal space when not in use, and the writing area and the height of a teaching board cannot be adjusted.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 3 is a schematic view of the bottom structure of the present invention.

FIG. 4 is a schematic diagram of the longitudinal cross-sectional structure of the present invention.

FIG. 5 is a schematic diagram of a cross-sectional structure of the present invention.

FIG. 6 is a schematic view of a first form of the supporting frame of the present invention.

FIG. 7 is a schematic structural diagram of a second embodiment of the stand according to the present invention.

FIG. 8 is a cross-sectional view of the stand of the present invention.

Fig. 9 is a schematic view of the bottom end structure of the supporting frame of the present invention.

FIG. 10 is a schematic view of the leg frame connection structure of the present invention.

FIG. 11 is a side view of the leg assembly of the present invention.

FIG. 12 is a cross-sectional view of the gusset plate of the present invention.

FIG. 13 is an enlarged view of A in FIG. 3 according to the present invention.

Reference numbers in the figures: 1. a base; 2. a seat plate; 3. a back plate; 4. a handrail; 5. a support bar; 6. a first key-shaped groove; 7. a first slider; 8. a drive screw; 9. a first bevel gear set; 10. a second slider; 1001. a connecting rod; 1002. a first rectangular block; 1003. a second rectangular block; 11. a first link; 12. a second link; 13. a support frame; 14. a limiting block; 15. a limiting groove; 16. a spacing pin; 17. a transmission gear; 18. a rack; 19. an arc-shaped slot; 20. a first pull rod; 21. a second pull rod; 22. a guide block; 23. a baffle plate; 24. a spring; 25. a first clamping block; 26. a second clamp block; 27. a first screw; 28. a guide groove; 29. a second key-shaped groove; 30. a right-angle clamping block; 31. a cylindrical rod; 32. a splint; 33. a through groove; 34. connecting blocks; 35. a first gear; 36. a second gear; 37. a third gear; 38. a fourth gear; 39. an angle adjusting block; 40. a drive gear; 41. a worm gear; 42. a worm; 43. a second bevel gear set; 44. a second screw; 45. a first chute; 46. a leg frame; 47. buckling the plate; 48. a fixed block; 49. a guide bar; 50. a second chute; 51. a third screw; 52. a cylindrical bore; 53. adjusting a rod; 54. fastening screws; 55. a belt; 56. a pedal.

Detailed Description

The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 13.

The invention comprises a base 1, a seat board 2 is fixedly connected on the base 1, an adjustable back board 3 is rotatably connected at the rear side of the seat board 2, a rotatable first bevel gear set 9 is rotatably connected in the base 1, a driving screw 8 rotatably connected with the base 1 is fixedly connected on the first bevel gear set 9, a first slide block 7 slidably connected with the base 1 and the back board 3 is connected at the rear side of the driving screw 8 in a threaded manner, a second slide block 10 slidably connected with the base 1 is connected at the middle part of the driving screw 8 in a threaded manner, an adjustable support frame 13 is arranged below the second slide block 10, a slidable first clamping block 25 and a slidable second clamping block 26 are slidably connected on the support frame 13, a U-shaped through groove 33 is formed in the seat board 2 at the upper side of the support frame 13, rotatable connecting blocks 34 are rotatably connected at the left and right sides of the through groove 33, and angle adjusting blocks 39 which move synchronously are rotatably connected at the front sides of the connecting blocks 34, angle adjusting block 39 goes up sliding connection and has adjustable leg 46, leg 46 upside is rotated and is connected with buckle 47, but sliding connection has vertical gliding fixed block 48 in buckle 47, but sliding connection has vertical gliding footboard 56 on leg 46.

As shown in fig. 1-4, the initial state of the back plate 3 is perpendicular to the seat plate 2, the connecting blocks 34 and the angle adjusting blocks 39 located at both sides of the through slot 33 are in a collinear state, the legs on the two angle adjusting blocks 39 are located at the positions with the shortest relative distance, and the positions of the left and right sides of the seat plate 2, which are matched with the connecting blocks 34, are provided with grooves, so that when the connecting blocks 34 rotate outside the seat plate 2, no interference is generated between the connecting blocks 34 and the seat plate 2; the first bevel gear set 9 is composed of two bevel gears meshed with each other, a motor is connected on the first bevel gear set 9, when the motor moves, the motor drives a driving screw 8 to rotate through the first bevel gear set 9, the driving screw 8 drives a first slider 7 and a second slider 10 to move, the movement of the first slider 7 and the second slider 10 is synchronous, the pitch of a thread groove at the matching part of the driving screw 8 and the second slider 10 is larger than that of a thread groove of the driving screw 8 at the first slider 7, only the freedom degree of front-back sliding exists between the first slider 7 and the base 1 and between the second slider 10 and the base 1, when the first slider 7 and the second slider 10 synchronously move forwards, the first slider 7 drives the back plate 3 to rotate towards the rear side, meanwhile, the second slider 10 drives the support frame 13 to move forwards relative to the seat plate 2, when the second slider 10 moves towards the foremost side of a groove formed on the base 1, the support frame 13 just rotates ninety degrees, the top surface of the supporting frame 13 is just located at the lower end of the through slot 33, at this time, the first clamping block 25 and the second clamping block 26 on the upper side of the supporting frame 13 can be used for fixing a collector for receiving waste liquid from uterine curettage, which is convenient for the subsequent treatment after uterine curettage operation, while the first slider 7 and the second slider 10 move forward, the two connecting blocks 34 rotate outward relative to the seat plate 2, the connecting blocks 34 rotate outward to drive the angle adjusting blocks 39 and the leg frames 46 on the front side to rotate outward relative to the seat plate 2, the two leg frames 46 on the two sides simultaneously rotate outward relative to the seat plate 2, so that the two legs of the patient on the seat plate 2 are opened, thereby facilitating the uterine curettage operation of the medical staff, in the process of opening the legs, in order to make the direction opposite to the feet of the patient inconvenient, the angle adjusting blocks can reversely rotate by the same angle to compensate when fast rotating, thereby ensuring that the front sides of the leg frames are always parallel to the front side of the seat plate 2, the comfort level of the patient during use is improved, and the phenomenon that the leg is cramped due to long-time discomfort in the operation process and the operation is affected is avoided.

The utility model discloses a chair, including backplate 3, backplate 2, first slider 7, handrail 4, the equal fixedly connected with handrail 4 in the left and right sides of backplate 3, the handrail 4 outside is equipped with the bracing piece 5 with backplate 3 fixed connection, the turning point department of bracing piece 5 rotates with bedplate 2 and is connected, it has first key type groove 6 to open on the bracing piece 5, the left and right sides of first slider 7 all is located first key type groove 6 and with first key type groove 6 sliding connection.

The support rod 5 is in an inverted L-shaped shape, as shown in fig. 1 and fig. 2, when the first slider 7 moves forward, the first slider 7 drives the lower side end of the support rod 5 to move forward, when the lower end of the support rod 5 moves forward, the support rod 5 rotates counterclockwise around the hinge point of the support rod 5 and the seat plate 2, when the support rod 5 rotates counterclockwise, the back plate 3 is driven to turn backward, so that the included angle between the back plate 3 and the seat plate 2 is increased, the body position of a patient is changed to a lying seat state during a patient operation, the comfort of the patient during use is increased, the first slider 7 slides back and forth horizontally, the cooperation of the first key-shaped groove 6 and the first slider 7 can ensure that the movement of the support rod 5 driven by the first slider 7 can be performed smoothly, meanwhile, the thread cooperation between the first slider 7 and the driving screw 8 has a real-time limiting effect on the first slider 7, and ensures that the back plate 3 is driven by the support rod 5 to move by the first slider 7, the movement position of the back plate 3 can be fixed.

The second sliding block 10 comprises two symmetrically distributed connecting rods 1001, a first rectangular block 1002 connected with the driving screw 8 in a threaded manner is fixedly connected to the front side of the connecting rods 1001, a second rectangular block 1003 is fixedly connected to the rear side of the connecting rod 1001, a height difference exists between the first rectangular block 1002 and the second rectangular block 1003, a first rotatable connecting rod 11 is hinged on the first rectangular block 1002, a second connecting rod 12 with the same length as the first connecting rod 11 is hinged on the second rectangular block 1003, the first connecting rod 11 and the second connecting rod 12 are both connected with a supporting frame 13 in a rotating way, a rotatable limiting block 14 is connected on the supporting frame 13 in a rotating way, the upper side of the limiting block 14 is a wedge-shaped cambered surface, a limiting groove 15 is formed on the limiting block 14, the hinge point of the limiting groove 15 and the lower end of the first connecting rod 11 is positioned at the same horizontal height, a limit pin 16 matched with the limit groove 15 is fixedly connected to the first connecting rod 11;

the first connecting rod 11 is fixedly connected with a transmission gear 17, a rack 18 fixedly connected with the seat plate 2 is meshed on the upper side of the transmission gear 17, and the number of tooth grooves in the rack 18 is one fourth of the total number of teeth of the transmission gear 17.

The second sliding block 10 is an integral framework composed of two connecting rods 1001, a first rectangular block 1002 and a second rectangular block 1003, the first rectangular block 1002 and the second rectangular block 1003 are both positioned in the base 1 and only have a front-back sliding freedom degree with the base 1, the two connecting rods 1001 are positioned at the left side and the right side of the base 1 and do not interfere with the base 1, the driving screw 8 penetrates through the first rectangular block 1002, when the driving screw 8 drives the first rectangular block 1002 to move forwards, the first rectangular block 1002 drives the second rectangular block 1003 to move forwards through the connecting rods 1001, the first rectangular block 1002 and the second rectangular block 1003 move forwards to drive the first connecting rod 11 and the second connecting rod 12 to move forwards synchronously, the first connecting rod 11 and the second connecting rod 12 both have two left sides and right sides respectively positioned on the supporting frame 13 and left-right dislocation exists between the first connecting rod 11 and the second connecting rod 12, the first connecting rod 11 and the second connecting rod 12 move forwards to drive the supporting frame 13 to move forwards, after the first connecting rod 11 moves forwards until the transmission gear 17 is in contact with the rack 18, the transmission gear 17 moves forwards relative to the rack 18, the transmission gear 17 rotates anticlockwise under the interaction of the rack 18 and the transmission gear 17, the transmission gear 17 rotates anticlockwise to drive the first connecting rod 11 to rotate anticlockwise, and the first connecting rod 11 and the second connecting rod 12 rotate anticlockwise. The second slider 10 and the support frame 13 form a parallelogram mechanism, when the first link 11 rotates counterclockwise, the first link 11 drives the support frame 13 to move towards the through slot 33 horizontally, the foremost end of the rack 18 and the foremost side of the groove between the second slider 10 and the base 1 are on the same straight line, when the second slider 10 moves to the through slot, the transmission gear 17 is just meshed with the rack 18, the rack 18 drives the transmission gear 17 to rotate ninety degrees, and the transmission gear 17 just drives the first link 11 to rotate from the vertical state to the horizontal state.

Support frame 13 left and right sides all has opened arc wall 19, sliding connection has the first pull rod 20 of being connected with stopper 14 rotation in the arc wall 19, sliding connection has second pull rod 21 that can vertical gliding on the first pull rod 20, sliding connection has the guide block 22 with support frame 13 bottom fixed connection on the second pull rod 21, guide block 22 with fixedly connected with separation blade 23 on the second pull rod 21 between the first pull rod 20, separation blade 23 with the cover has spring 24 on the second pull rod 21 between the guide block 22.

When the driving gear drives the first connecting rod 11 to rotate, the first connecting rod 11 rotates backwards relative to the supporting frame 13, when the limiting pin 16 on the first connecting rod 11 contacts with the wedge-shaped cambered surface on the limiting block 14, the limiting block 14 rotates forwards under the action of the limiting pin 16, the limiting pin 16 rotates forwards to drive the first pull rod 20 in the arc-shaped groove 19 to move towards the arc-shaped groove 19, the first pull rod 20 moves forwards to drive the second pull rod 21 to move forwards, the first pull rod 20 slides downwards relative to the second pull rod 21, the second pull rod 21 moves forwards to drive the blocking piece 23 to compress the spring 24, when the first pull rod 20 moves to the foremost position of the arc-shaped sliding groove, the limiting groove 15 on the limiting block 14 just matches with the limiting pin 16, the second pull rod 21 moves backwards under the action of the spring 24 elasticity, the second pull rod 21 moves backwards to have horizontal backward thrust on the first pull rod 20, the first pull rod 20 moves backwards along the arc-shaped groove 19 under the action of the second pull rod 21 and the arc-shaped groove 19, the first pull rod 20 moves backwards along the arc-shaped groove 19 to drive the limiting block 14 to rotate towards the rear side, so that the limiting groove 15 on the limiting block 14 moves to be perpendicular to the limiting pin 16, the rotation of the first connecting rod 11 is limited, and the position of the support frame 13 is ensured when the support frame is located below the through groove 33.

The supporting frame 13 is provided with a guide groove 28, the first clamping block 25 and the second clamping block 26 are both in sliding connection with the guide groove 28, the first clamping block 25 and the second clamping block 26 are in common threaded connection with a first screw 27 in rotating connection with the supporting frame 13, the thread pitch of a thread groove on the rear side of the first screw 27 is smaller than that of a thread groove on the front side of the first screw 27, the second clamping block 26 is provided with a second key-shaped groove 29, the second key-shaped groove 29 is in sliding connection with a right-angle clamping block 30 in rotating connection with the supporting frame 13, the other end of the right-angle clamping block 30 is fixedly connected with a cylindrical rod 31, and a clamping plate 32 is arranged on the upper side of the cylindrical rod 31.

The guide groove 28 ensures that only the freedom degree of back and forth movement exists between the first clamping block 25 and the second clamping block 26 and the support frame 13, the first clamping block 25 and the second clamping block 26 are at the farthest distance in the initial position, when the collector is required to be fixed, the collector is placed between the first clamping block 25 and the second clamping block 26, then the first screw 27 is rotated, the first screw 27 drives the first clamping block 25 and the second clamping block 26 to move backwards simultaneously, because the first screw 27 on the first screw 27 is provided with two sections of thread grooves with different thread pitches, when the first screw 27 is rotated, the distance that the first screw 27 pushes the first clamping block 25 to move is larger than the distance that the first screw 27 pushes the second clamping block 26 to move, the distance between the first clamping block 25 and the second clamping block 26 is reduced, so that the acting force on the collector is increased, when the second clamping block 26 moves backwards, the second clamping block 26 drives the back side of the right-angle clamping block 30 to move rightwards, meanwhile, one end of the right-angle clamping block 30, the cylindrical rod 31 and the clamping plate 32 are fixedly connected to the inside of the support frame 13, so that the two clamping plates 32 on the left side and the right side of the support frame 13 are close to each other, the first clamping block 25 and the second clamping block 26 are used for fixing the collector in an auxiliary mode, one side of the right-angle clamping block 30 is connected with the second key-shaped groove 29 in the second clamping block 26 in a sliding mode, and the right-angle clamping block 30 and the second clamping block 26 can be guaranteed to move without interference.

A first gear 35 rotationally connected with the seat plate 2 is fixedly connected to the connecting block 34, the first gear 35 is meshed with a rotatable driving gear 40, the driving gear 40 is rotationally connected with the seat plate 2, a second gear 36 fixedly connected with the seat plate 2 is arranged below the connecting block 34, a third gear 37 rotationally connected with the connecting block 34 is meshed with the second gear 36, the third gear 37 is meshed with a fourth gear 38 fixedly connected with an angle adjusting block 39, and the first gear 35, the second gear 36, the third gear 37 and the fourth gear 38 are identical in size and specification;

the driving gear 40 is coaxially and fixedly connected with a worm gear 41, the worm gear 41 is meshed with a worm 42, the worm 42 is coaxially and fixedly connected with a second bevel gear set 43, and the other end of the second bevel gear set 43 is fixedly connected with the driving screw 8.

The second bevel gear set 43 is also composed of two bevel gears meshed with each other, when the driving screw 8 rotates, the driving screw 8 drives the worm 42 to rotate through the second bevel gear set 43, the worm 42 rotates to drive the worm wheel 41 to rotate, the worm wheel 41 rotates to drive the driving gear 40 to rotate, the driving gear 40 rotates to drive the first gear 35 to rotate, the first gear 35 drives the connecting block 34 to rotate relatively, when the connecting block 34 rotates, the third gear 37 is driven to move along with the connecting block 34, under the meshing action of the third gear 37 and the second gear 36, the third gear 37 rotates to drive the fourth gear 38 to rotate reversely, the fourth gear 38 rotates reversely to drive the angle adjusting block 39 to rotate reversely relative to the connecting block 34, and the first gear 35, the second gear 36, the third gear 37 and the fourth gear 38 have the same size specification, so that the first gear 35 can drive the connecting block 34 to rotate by the same angle as the fourth gear 38 The degrees of the angle of the gear 38 driving the angle adjusting rod 53 to rotate are the same, so that the angle adjusting rod 53 driving the leg frame to be always in a parallel and level state with the seat plate 2 is ensured, and the comfort level of the patient when the legs are spread is improved.

The angle adjusting block 39 is connected with a second screw 44 through a thread, the upper end of the second screw 44 is rotatably connected with a leg frame 46, the front end of the angle adjusting block 39 is provided with a first sliding groove 45, and a protruding block on the upper rear side of the leg frame 46 is positioned in the first sliding groove 45 and is in sliding connection with the first sliding groove 45.

Only vertical gliding degree of freedom between leg 46 and first spout 45, the level height on leg 46 upper portion can be adjusted to second screw 44, and when rotating second screw 44, second screw 44 can have vertical lift on angle adjustment block 39, and when the actual operation, medical personnel can adjust leg 46's height according to actual demand, makes going on of the more convenient operation of patient's position.

Buckle 47 with install the buckle between the leg 46, the equal fixedly connected with guide bar 49 in the fixed block 48 left and right sides, it has second spout 50 with guide bar 49 sliding connection to open on the buckle 47, buckle 47 top surface threaded connection has third screw 51, third screw 51 runs through buckle 47 and rotates with fixed block 48 and be connected.

The buckle is the buckle structure of using often in the life, buckle 47 is located one side of leg frame during initial position, when needs are fixed to patient's shank, place patient's shank on the leg frame, later rotate buckle 47 and close buckle 47 and leg frame through the buckle, later adjust fixed block 48 in the buckle 47 according to the size of patient's shank, fixed block 48 is adjusted through third screw 51 on the buckle 47, fixed block 48 under guide bar 49 and second spout 50 the effect and only vertical gliding degree of freedom between the buckle 47, when rotating third screw 51, third screw 51 can drive fixed block 48 and carry out vertical lift, thereby the completion is to the fixed of patient's shank and loosen.

The leg frame is provided with a cylindrical hole 52, an adjusting rod 53 fixedly connected with a pedal 56 is connected in the cylindrical hole 52 in a sliding mode, a fastening screw 54 is connected to the leg frame on one side of the adjusting rod 53 in a threaded mode, and a fixable strap 55 is installed on the pedal 56.

Magic tapes are sewn on the strap 55, the pedal 56 is used for placing feet of a patient, the strap 55 is used for bypassing the feet of the patient to fix the feet of the patient on the pedal 56, and in order to enable the device to meet the requirements of patients with different heights, the distance between the pedal 56 and the leg frame can be adjusted through the matching between the fastening screw 54 and the adjusting rod 53.

When the uterine cavity curettage device is used, the first bevel gear set 9 is connected with a motor, when the motor moves, the motor drives the driving screw 8 to rotate through the first bevel gear set 9, the driving screw 8 drives the first sliding block 7 and the second sliding block 10 to move, the movement of the first sliding block 7 and the second sliding block 10 is synchronous, only the freedom degree of front-back sliding exists between the first sliding block 7 and the base 1 and between the second sliding block 10 and the base 1, when the first sliding block 7 and the second sliding block 10 synchronously move forwards, the first sliding block 7 drives the back plate 3 to rotate towards the rear side, meanwhile, the second sliding block 10 drives the supporting frame 13 to move forwards relative to the seat plate 2, when the second sliding block 10 moves towards the foremost side of the groove formed in the base 1, the supporting frame 13 just rotates ninety degrees, the top surface of the supporting frame 13 just locates at the lower end of the through groove 33, at this time, the first clamping block 25 and the second clamping block 26 on the upper side of the supporting frame 13 can be used for fixedly receiving a uterine cavity curettage collector, convenient for the subsequent processing after the uterine curettage operation, when the first slider 7 and the second slider 10 move forward, two connecting blocks 34 rotate outwards relative to the seat plate 2, the connecting blocks 34 rotate outwards to drive the angle adjusting block 39 at the front side and the leg frame 46 to rotate outwards relative to the seat plate 2, two leg frames 46 at two sides simultaneously rotate outwards relative to the seat plate 2, thereby the two legs of a patient on the seat plate 2 are opened, the uterine curettage operation is convenient for medical personnel, in the process of opening the legs, in order to make the direction opposite to the feet of the patient inconvenient, the angle adjusting block can reversely rotate the same angle to compensate when rapidly rotating, thereby the front of the leg frame is always in a parallel state with the front of the seat plate 2, the comfort level of the patient during use is improved, and the phenomenon that the legs are difficult to pull out due to discomfort for a long time in the operation process and the smooth operation is influenced is avoided.

The uterine curettage assisting device for gynecology is novel in structure, ingenious in conception and simple and convenient to operate, and effectively solves the problems that a conventional uterine curettage assisting device for gynecology is easy to shake and move, occupies a large longitudinal space when not in use, and the writing area and the height of a teaching board cannot be adjusted.

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 invention.

Claims

1. The gynecological uterine curettage assisting device comprises a base (1), wherein a seat plate (2) is fixedly connected onto the base (1), an adjustable back plate (3) is rotatably connected onto the rear side of the seat plate (2), and the gynecological uterine curettage assisting device is characterized in that a rotatable first bevel gear set (9) is rotatably connected into the base (1), a driving screw (8) rotatably connected with the base (1) is fixedly connected onto the first bevel gear set (9), a first sliding block (7) slidably connected with the base (1) and the back plate (3) is in threaded connection onto the rear side of the driving screw (8), a second sliding block (10) slidably connected with the base (1) is in threaded connection onto the middle of the driving screw (8), an adjustable supporting frame (13) is arranged below the second sliding block (10), a first sliding clamping block (25) and a second clamping block (26) which can slide are slidably connected onto the supporting frame (13), a U-shaped through groove (33) is formed in the seat plate (2) on the upper side of the supporting frame (13), the left side and the right side of the through groove (33) are rotatably connected with a rotatable connecting block (34), the front side of the connecting block (34) is rotatably connected with an angle adjusting block (39) which moves synchronously, an adjustable leg frame (46) is slidably connected onto the angle adjusting block (39), a buckling plate (47) is rotatably connected onto the upper side of the leg frame (46), a fixing block (48) which can slide vertically is slidably connected into the buckling plate (47), and a pedal (56) which can slide vertically is slidably connected onto the leg frame (46);

the second sliding block (10) comprises two connecting rods (1001) which are symmetrically distributed, the front side of each connecting rod (1001) is fixedly connected with a first rectangular block (1002) in threaded connection with the driving screw (8), the rear side of each connecting rod (1001) is fixedly connected with a second rectangular block (1003), a height difference exists between the first rectangular block (1002) and the second rectangular block (1003), the first rectangular block (1002) is hinged with a rotatable first connecting rod (11), the second rectangular block (1003) is hinged with a second connecting rod (12) which is the same as the first connecting rod (11) in length, the first connecting rod (11) and the second connecting rod (12) are jointly and rotatably connected with a supporting frame (13), the supporting frame (13) is rotatably connected with a rotatable limiting block (14), the upper side of the limiting block (14) is a wedge-shaped cambered surface, and a limiting groove (15) is formed in the limiting block (14), the limiting groove (15) and a hinge point at the lower end of the first connecting rod (11) are positioned at the same horizontal height, and a limiting pin (16) matched with the limiting groove (15) is fixedly connected to the first connecting rod (11); the first connecting rod (11) is fixedly connected with a transmission gear (17), a rack (18) fixedly connected with the seat plate (2) is meshed on the upper side of the transmission gear (17), and the number of tooth grooves in the rack (18) is one fourth of the total number of teeth of the transmission gear (17).

2. The gynecological uterine curettage assisting device according to claim 1, wherein handrails (4) are fixedly connected to the left side and the right side of the back plate (3), a supporting rod (5) fixedly connected with the back plate (3) is arranged on the outer side of the handrails (4), the inflection point of the supporting rod (5) is rotatably connected with the seat plate (2), a first key-shaped groove (6) is formed in the supporting rod (5), and the left side and the right side of the first sliding block (7) are located in the first key-shaped groove (6) and are in sliding connection with the first key-shaped groove (6).

3. The gynecological uterine curettage assisting device according to claim 2, wherein the supporting frame (13) is provided with arc grooves (19) on the left and right sides, a first pull rod (20) rotatably connected with the limiting block (14) is slidably connected in the arc grooves (19), a second pull rod (21) capable of vertically sliding is slidably connected in the first pull rod (20), a guide block (22) fixedly connected with the bottom of the supporting frame (13) is slidably connected in the second pull rod (21), a blocking piece (23) is fixedly connected to the second pull rod (21) between the guide block (22) and the guide block (22), and a spring (24) is sleeved on the second pull rod (21) between the blocking piece (23) and the guide block (22).

4. A gynecological uterine curettage aid according to claim 1, wherein the support frame (13) is provided with a guide groove (28), the first clamping block (25) and the second clamping block (26) are both connected with a guide groove (28) in a sliding way, the first clamping block (25) and the second clamping block (26) are in threaded connection with a first screw rod (27) which is rotatably connected with the supporting frame (13), the thread pitch of a thread groove at the rear side of the first screw rod (27) is smaller than that of a thread groove at the front side of the first screw rod (27), a second key-shaped groove (29) is formed in the second clamping block (26), a right-angle clamping block (30) which is rotationally connected with the supporting frame (13) is connected in the second key-shaped groove (29) in a sliding manner, the other end of the right-angle clamping block (30) is fixedly connected with a cylindrical rod (31), and a clamping plate (32) is installed on the upper side of the cylindrical rod (31).

5. A gynecological uterine curettage assisting device according to claim 1, wherein a first gear (35) rotatably connected with the seat plate (2) is fixedly connected to the connecting block (34), the first gear (35) is engaged with a rotatable driving gear (40), the driving gear (40) is rotatably connected with the seat plate (2), a second gear (36) fixedly connected with the seat plate (2) is arranged below the connecting block (34), a third gear (37) rotatably connected with the connecting block (34) is engaged with the second gear (36), the third gear (37) is engaged with a fourth gear (38) fixedly connected with the angle adjusting block (39), and the first gear (35), the second gear (36), the third gear (37) and the fourth gear (38) have the same size and specification;

coaxial fixedly connected with worm wheel (41) on drive gear (40), meshing has worm (42) on worm wheel (41), the coaxial fixedly connected with second bevel gear group (43) of worm (42), second bevel gear group (43) other end and driving screw (8) fixed connection.

6. The gynecological uterine curettage assisting device according to claim 1, wherein a second screw (44) is connected to the angle adjusting block (39) in a threaded manner, the upper end of the second screw (44) is rotatably connected to a leg (46), a first sliding groove (45) is formed in the front end of the angle adjusting block (39), and a protruding block on the upper rear side of the leg (46) is located in the first sliding groove (45) and is slidably connected to the first sliding groove (45).

7. The gynecological uterine curettage assisting device according to claim 1, wherein a buckle is installed between the buckle plate (47) and the leg frame (46), guide rods (49) are fixedly connected to the left side and the right side of the fixing block (48), a second sliding groove (50) in sliding connection with the guide rods (49) is formed in the buckle plate (47), a third screw rod (51) is connected to the top face of the buckle plate (47) in a threaded mode, and the third screw rod (51) penetrates through the buckle plate (47) and is connected with the fixing block (48) in a rotating mode.

8. The gynecological uterine curettage assisting device according to claim 1, wherein the leg frame is provided with a cylindrical hole (52), an adjusting rod (53) fixedly connected with a pedal (56) is slidably connected in the cylindrical hole (52), a fastening screw (54) is in threaded connection with the leg frame on one side of the adjusting rod (53), and a fixable belt (55) is installed on the pedal (56).