CN115778507A

CN115778507A - Clinical thyroid gland puncture auxiliary device

Info

Publication number: CN115778507A
Application number: CN202211525593.4A
Authority: CN
Inventors: 王超宇; 翟宝伟; 彭欢
Original assignee: Guizhou Provincial Peoples Hospital
Current assignee: Guizhou Provincial Peoples Hospital
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-14

Abstract

The invention relates to the technical field of medical equipment, in particular to a clinical thyroid puncture auxiliary device. The headrest is fixedly installed on the rear side of the bottom plate, a first threaded block and a second threaded block are respectively installed on the left side and the right side of the interior of the bottom plate in a sliding mode, the first threaded block and the second threaded block synchronously slide back and forth along the bottom plate under the driving of a power assembly, and an arc-shaped support is rotatably installed at the top of the first threaded block; the invention has the beneficial effects that: the pjncture needle can be towards a plurality of position, is convenient for adjust the position and the puncture position of puncture needle, improves the accurate nature of puncture process, can puncture to different positions, and the suitability of reinforcing means, the puncture process is mild stable, avoids shaking because of medical personnel's hand and causes the puncture failure or cause the discomfort for patient, and the pull nook closing member that relapses carries out the sample operation, need not to support the puncture needle, and the puncture needle is fixed motionless in the sample process, alleviates and rocks because of the puncture needle and causes the patient discomfort.

Description

Clinical thyroid gland puncture auxiliary device

Technical Field

The invention relates to the technical field of medical equipment, in particular to a clinical thyroid puncture auxiliary device.

Background

The thyroid gland is a very important gland of vertebrates, belongs to an endocrine organ, is positioned below thyroid cartilage of the neck of mammals and on both sides of trachea, and is named as a reddish brown gland like a shield nail in the shape of the thyroid gland of a human; when the thyroid gland is diseased, a thyroid gland puncture is usually used to extract a pathological specimen from the thyroid nodule and to perform a test diagnosis.

Present thyroid gland puncture art is the handheld pjncture needle of medical personnel to operate mostly, and medical personnel's hand probably takes place to vibrate because of reasons such as tired, leads to the position of pjncture needle to take place the skew, influences the puncture precision, and medical personnel hand dynamics is inhomogeneous, leads to the puncture process stability of lacking, and the puncture process stability is relatively poor, and the puncture process need all the time to support the pjncture needle with the hand, and the pjncture needle takes place to rock easily, causes the discomfort for the patient.

Therefore, a clinical thyroid puncture assisting device is needed to solve the above problems.

Disclosure of Invention

In order to solve the problems that the puncture precision is affected due to the fact that the position of the puncture needle deviates, the stability of the puncture process is poor due to the fact that the hand force is not uniform, the puncture needle needs to be supported by hands all the time in the puncture process, and the puncture needle is prone to shaking, the invention provides the clinical thyroid puncture auxiliary device.

A clinical thyroid gland puncture auxiliary device comprises a bottom plate and a headrest, wherein the headrest is fixedly installed on the rear side of the bottom plate, a first thread block and a second thread block are respectively installed on the left side and the right side of the inner portion of the bottom plate in a sliding mode, the first thread block and the second thread block synchronously slide back and forth along the bottom plate under the driving of a power assembly, an arc-shaped support is rotatably installed on the top of the first thread block, a slot is fixedly installed on the top of the second thread block, and an arc-shaped sliding frame is fixedly installed on the top of the arc-shaped support;

an angle adjusting mechanism is arranged in the arc-shaped sliding frame, a fixed rod is fixedly arranged at the bottom of the angle adjusting mechanism, a movable rod is slidably arranged in the fixed rod, and the movable rod can slide along the fixed rod under the driving of the length adjusting mechanism;

the bottom fixed mounting of movable rod has circular regulation frame, first spout, every have been seted up to the equal symmetry in the left and right sides of circular regulation frame equal slidable mounting has first slider, every in the first spout the inside of first slider all rotates and installs first connecting rod, the middle part of circular regulation frame is equipped with the grip block, every the other end of first connecting rod all with grip block fixed connection, the equal symmetrical rotation in both sides installs the linking piece around circular regulation frame is inside, two all rotate on the linking piece and install the second connecting rod, two the other end of second connecting rod all with grip block fixed connection, be located the place ahead the front end fixed mounting of linking piece has the knob, the inside demountable installation of grip block has the pjncture needle, the inside slidable mounting of pjncture needle has the needle core.

The utility model provides an above-mentioned clinical thyroid gland puncture auxiliary device, angle adjustment mechanism includes slip table, first pivot and arc rack, slip table slidable mounting is in inside the arc sliding frame, arc rack fixed mounting is in the back of arc sliding frame, first guide way has been seted up to the front and the back symmetry of arc sliding frame, first pivot rotation is installed at the middle part of slip table, and both ends all pass first guide way and extend to the outside of arc sliding frame around the first pivot, the rear end fixed mounting of first pivot with arc rack engaged with's first gear, rotate on the first pivot and install and be located the gasket in arc sliding frame the place ahead, fixed mounting has first spring between the front end of gasket and first pivot, the second guide way has been seted up at the top of arc sliding frame, the top threaded connection of slip table has can follow the gliding first locking bolt of second guide way.

The utility model provides a clinical thyroid gland puncture auxiliary device, length adjustment mechanism includes second pivot, fixing base and spur rack, spur rack fixed mounting is in the left side of movable rod, fixing base fixed mounting is in the left side of dead lever, logical groove has been seted up in the left side of dead lever, logical inslot is arranged in to the upper end of spur rack, the second pivot is rotated and is installed in the fixing base, the middle part fixed mounting of second pivot has the second gear with spur rack engaged with, movable mounting has the second spring between the rear end of second pivot and the fixing base, the draw-in groove has been seted up in the front of fixing base, but the front end fixed mounting of second pivot has the fixture block of joint in the draw-in groove.

The utility model provides a clinical thyroid gland puncture auxiliary device, power component includes threaded rod and transfer line, the threaded rod has two, the transmission chamber has been seted up to the inside of bottom plate, two the threaded rod rotates respectively and installs the left and right sides in transmission chamber, the transfer line rotates and installs in the transmission intracavity, two the rear end of threaded rod all meshes with the transfer line mutually, first thread piece and second thread piece are threaded connection respectively on two threaded rods about.

Above-mentioned clinical thyroid gland puncture auxiliary device, the cavity has been seted up to the inside of knob, the inside of cavity is equipped with the joint ball, be equipped with the third spring between cavity and the joint ball, a plurality of joint grooves have evenly been seted up in the front of circular adjusting frame.

Above-mentioned clinical thyroid gland puncture auxiliary device, the inside of grip block is seted up flutedly, slidable mounting has the stripper plate in the recess, threaded connection has the stripper bar that runs through to the recess on the grip block, the rear end and the stripper plate of stripper bar rotate to be connected.

The utility model provides a above-mentioned clinical thyroid gland puncture auxiliary device, the bilateral symmetry slidable mounting of bottom plate has the clamp plate, every equal slidable mounting has the roof on the clamp plate, every the equal threaded connection in bottom of clamp plate has ejector pin, every the top of ejector pin all rotates with the clamp plate that corresponds to be connected, every equal fixed mounting has first extension spring between one side of clamp plate and the bottom plate.

Above-mentioned clinical thyroid gland puncture auxiliary device, the regulation chamber has been seted up to the inside of headrest, the inside symmetry fixed mounting in regulation chamber has the guide bar, the inside rotation in regulation chamber installs two-way lead screw, the equal threaded connection in both ends of two-way lead screw has can follow the gliding regulation seat of guide bar, two the equal fixed mounting in top of adjusting the seat has the guard plate.

The utility model provides a clinical thyroid gland puncture auxiliary device, the rear side fixed mounting of headrest has the backup pad, slidable mounting has first clamp plate in the backup pad, slidable mounting has first spacer pin behind the first clamp plate, fixed mounting has the second extension spring between first spacer pin and the first clamp plate, the first spacing hole of multiunit has evenly been seted up at the back of backup pad, the inside slidable mounting of first clamp plate has the second clamp plate, the top threaded connection of first clamp plate has second locking bolt, two the side of guard plate, the bottom of first clamp plate and the equal fixed mounting in bottom of second clamp plate have the protection pad.

Above-mentioned clinical thyroid gland puncture auxiliary device, the right side slidable mounting of slot has the second spacer pin, fixed mounting has the third extension spring between second spacer pin and the slot, the spacing hole of second has been seted up to the right-hand member of arc support.

The beneficial effects of the invention are as follows:

1. according to the invention, through the arrangement of the power assembly, the length adjusting mechanism, the angle adjusting mechanism, the connecting piece, the first sliding block, the first connecting rod and the second connecting rod, the puncture needle can move in a 8-shaped manner in the curved surface along with the clamping block, so that the puncture needle can face to multiple directions, medical workers can conveniently adjust the position and the puncture direction of the puncture needle, the accuracy of a puncture process is improved, the puncture needle can puncture different parts, the applicability of the device is enhanced, after the direction of the puncture needle is adjusted and fixed, the length adjusting mechanism is slowly adjusted, the puncture needle punctures the puncture part, the puncture process is gentle and stable, the puncture failure or discomfort of a patient caused by hand shake of the medical workers is avoided, after the puncture needle is punctured to a proper depth, the puncture needle is fixed at the current position, the medical workers repeatedly pull the needle core to perform sampling operation, the puncture needle does not need to support, the puncture needle is fixed in the sampling process, and the discomfort of the patient caused by shaking of the puncture needle in the sampling process is effectively reduced.

2. According to the invention, by arranging the sliding table, the first rotating shaft, the arc-shaped rack, the first guide groove, the first gear and the first spring, the first rotating shaft is pressed backwards to separate the first gear from the arc-shaped rack, and the first rotating shaft is slid along the first guide groove, so that the position of the sliding table can be quickly adjusted, the time required by angle adjustment is reduced, and the angle adjustment efficiency is improved; the extrusion to first pivot is relieved, and first spring drives first gear and meshes with the arc rack again, slowly rotates first pivot, and the slip table drives the dead lever slow motion, finely tunes the circular adjusting frame position, has improved the precision of angle modulation.

3. According to the invention, by arranging the second rotating shaft, the spur rack, the second gear, the second spring, the clamping groove and the clamping block, medical staff only need to pull the second rotating shaft outwards and rotate the second rotating shaft slowly, so that the puncture needle can be slowly and stably punctured into a position to be punctured of a patient, the puncturing process is stable and stable, and discomfort to the patient in the puncturing process is avoided; when waiting to pierce suitable degree of depth, loosen the second pivot, in the automatic card of fixture block goes into the draw-in groove, fix the movable rod, prevent that the pjncture needle from taking place to rock, improve the stability of device.

4. According to the invention, a medical worker places the device on a sickbed, pulls the two clamping plates towards the left side and the right side respectively, so that the inner sides of the two clamping plates are respectively attached to the two sides of the sickbed under the pulling action of the corresponding first tension springs, and rotates the ejector rods to push the corresponding top plates to move upwards until the two top plates are both tightly propped against the bottom of the sickbed, so that the device is fixed, the device is prevented from moving in the puncturing process, and the stability of the puncturing process is ensured.

5. According to the invention, the two sides of the head of the patient are limited and fixed by adjusting the protection plate, the first pressing plate and the second pressing plate, so that the puncture failure caused by shaking of the head of the patient is prevented, and the success rate of puncture is improved.

Drawings

FIG. 1 is a first general structural diagram of the present invention;

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

FIG. 3 is a schematic structural view of a circular adjustment frame according to the present invention;

FIG. 4 is a schematic cross-sectional view of the arc-shaped sliding frame according to the present invention;

FIG. 5 is a schematic structural view of an angle adjustment mechanism according to the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 7 is a schematic structural view of a length adjustment mechanism according to the present invention;

FIG. 8 is a schematic structural view of a power module according to the present invention;

FIG. 9 is a schematic cross-sectional view of a knob according to the present invention;

FIG. 10 is a schematic cross-sectional view of a clamping block of the present invention;

FIG. 11 is a partial cross-sectional view of the base plate of the present invention;

FIG. 12 is a schematic view of the position of the first platen in the present invention;

FIG. 13 is a schematic view of a socket according to the present invention.

In the figure:

1. a base plate; 2. a headrest; 3. a first thread block; 4. a second thread block; 5. an arc-shaped bracket; 6. a slot; 7. an arc-shaped sliding frame; 8. fixing the rod; 9. a movable rod; 10. a circular adjusting frame; 11. a first chute; 12. a first slider; 13. a first link; 14. a clamping block; 15. a tag; 16. a knob; 17. puncturing needle; 18. a needle core; 19. a sliding table; 20. a first rotating shaft; 21. an arc-shaped rack; 22. a first guide groove; 23. a first gear; 24. a gasket; 25. a first spring; 26. a second guide groove; 27. a first locking bolt; 28. a second rotating shaft; 29. a fixed seat; 30. straight rack; 31. a through groove; 32. a second gear; 33. a second spring; 34. a card slot; 35. a clamping block; 36. a threaded rod; 37. a transmission rod; 38. a transmission cavity; 39. a concave cavity; 40. clamping the ball; 41. a third spring; 42. a clamping groove; 43. a groove; 44. a pressing plate; 45. an extrusion stem; 46. a clamping plate; 47. a top plate; 48. a top rod; 49. a first tension spring; 50. an adjustment chamber; 51. a guide bar; 52. a bidirectional screw rod; 53. an adjusting seat; 54. a protection plate; 55. a support plate; 56. a first platen; 57. a first limit pin; 58. a second tension spring; 59. a first limit hole; 60. a second platen; 61. a second locking bolt; 62. a protective pad; 63. a second limit pin; 64. a third tension spring; 65. a second limiting hole; 66. a second link.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

As shown in fig. 1-3, 8 and 10, an embodiment of the invention discloses a clinical thyroid puncture auxiliary device, which comprises a bottom plate 1 and a headrest 2, wherein the headrest 2 is fixedly installed on the rear side of the bottom plate 1, a first thread block 3 and a second thread block 4 are respectively installed on the left side and the right side inside the bottom plate 1 in a sliding manner, the first thread block 3 and the second thread block 4 synchronously slide along the bottom plate 1 in the front-back direction under the driving of a power assembly, an arc-shaped support 5 is rotatably installed on the top of the first thread block 3, a slot 6 is fixedly installed on the top of the second thread block 4, the right end of the arc-shaped support 5 can be inserted into the slot 6, and an arc-shaped sliding frame 7 is fixedly installed on the top of the arc-shaped support 5;

an angle adjusting mechanism is arranged inside the arc-shaped sliding frame 7, a fixed rod 8 is fixedly arranged at the bottom of the angle adjusting mechanism, a movable rod 9 is slidably arranged inside the fixed rod 8, the movable rod 9 can slide along the fixed rod 8 under the driving of a length adjusting mechanism, the angle adjusting mechanism can adjust and position the angle of the movable rod 9, and the length adjusting mechanism can adjust and position the length of the movable rod 9 extending out of the fixed rod 8;

a circular adjusting frame 10 is fixedly installed at the bottom of the movable rod 9, first sliding grooves 11 are symmetrically formed in the left side and the right side of the circular adjusting frame 10, a first sliding block 12 is installed in each first sliding groove 11 in a sliding manner, two first sliding blocks 12 move circularly around the central axis of the circular adjusting frame 10 in the corresponding first sliding grooves 11, a first connecting rod 13 is installed inside each first sliding block 12 in a rotating manner, a clamping block 14 is arranged in the middle of the circular adjusting frame 10, the other end of each first connecting rod 13 is fixedly connected with the clamping block 14, under the matching action of the two first sliding blocks 12 and the two first connecting rods 13, the clamping block 14 can rotate around the central axis of the circular adjusting frame 10 in the circular adjusting frame 10 along with the two first sliding blocks 12, and can rotate around the central axis of the first connecting rods 13 along with the two first connecting rods 13, the front side and the rear side inside the circular adjusting frame 10 are symmetrically and rotatably provided with connecting pieces 15, the orientations of the two connecting pieces 15 are opposite, the two connecting pieces 15 are rotatably provided with second connecting rods 66, the other ends of the second connecting rods 66 are fixedly connected with the clamping block 14, when the connecting piece 15 positioned in front rotates, the clamping block 14 can swing in the circular adjusting frame 10 through the matching of the two connecting pieces 15 and the two second connecting rods 66, the front end of the connecting piece 15 positioned in front is fixedly provided with a knob 16, a puncture needle 17 is detachably arranged inside the clamping block 14, the puncture needle 17 is slidably provided with a needle core 18, when the connecting piece 15 positioned in front rotates, under the matching of the connecting pieces 15, the first sliding block 12, the first connecting rod 13 and the second connecting rod 66, the puncture needle 17 moves along with the clamping block 14 in a 8-shaped manner in a curved surface, the puncture needle 17 can be oriented to a plurality of directions;

when puncturing is carried out, medical personnel lift the arc-shaped support 5 firstly, so that the arc-shaped support 5 is in an open state, a patient lies on a hospital bed, the head of the patient is rested on the headrest 2, the neck of the patient is positioned on the bottom plate 1, the arc-shaped support 5 is rotated, the right end of the arc-shaped support 5 is inserted into the slot 6, the arc-shaped support 5 is in a closed state at the moment, a proper puncture needle 17 is selected and installed in the clamping block 14, the arc-shaped support 5 is driven to move through the power assembly, the position of the puncture needle 17 is preliminarily adjusted, and the puncture needle 17 and a puncture part are approximately positioned on the same vertical plane;

when the puncture part is positioned on the side of the neck, the angle of the fixing rod 8 is adjusted through the angle adjusting mechanism, so that the angle of the circular adjusting frame 10 is adjusted, the position of the puncture needle 17 is further adjusted, and the puncture needle 17 is further aligned with the puncture part; the length of the movable rod 9 extending out of the fixed rod 8 is adjusted through the length adjusting mechanism, so that the puncture needle 17 is slowly close to the puncture part, and the length adjusting mechanism is stopped being adjusted;

at the moment, the knob 16 is rotated, the knob 16 drives the connecting piece 15 positioned in front to rotate, under the matching of the connecting piece 15, the first sliding block 12, the first connecting rod 13 and the second connecting rod 66, the puncture needle 17 moves along with the clamping block 14 in a 8-shaped manner in the curved surface, when the puncture needle 17 rotates to the position facing the puncture part, the knob 16 stops rotating, at the moment, the medical worker enables the movable rod 9 to slowly extend out of the fixed rod 8 through the length adjusting mechanism, the movable rod 9 drives the circular adjusting frame 10 and the puncture needle 17 to slowly puncture the part to be punctured, when the puncture is at a proper depth, the adjustment of the length adjusting mechanism is stopped, at the moment, the medical worker repeatedly pulls the needle core 18 in the puncture needle 17, and sampling operation can be carried out;

by arranging the power assembly, the length adjusting mechanism, the angle adjusting mechanism, the connecting piece 15, the first sliding block 12, the first connecting rod 13 and the second connecting rod 66, the puncture needle 17 moves along the clamping block 14 in a 8-shaped manner in the curved surface, the puncture needle 17 can face to a plurality of directions, medical workers can adjust the position and the puncture direction of the puncture needle 17 conveniently, the accuracy of the puncture process is improved, the puncture needle 17 can puncture different parts, the applicability of the device is enhanced, after the direction of the puncture needle 17 is adjusted and fixed, the length adjusting mechanism is slowly adjusted, the puncture needle 17 punctures the puncture part, the puncture process is stable and stable, the problem that the puncture needle fails due to shaking of hands of the medical workers or discomfort of a patient is caused is avoided, after the puncture is punctured to a proper depth, the puncture needle 17 is fixed at the current position, the medical workers pull the needle core 18 repeatedly to perform sampling operation, the puncture needle 17 does not need to be supported, the puncture needle 17 is fixed and cannot move in the sampling process, and the patient caused by shaking of the puncture needle 17 in the sampling process is effectively reduced.

As shown in fig. 1, 2, 4 and 5, the angle adjusting mechanism includes a sliding table 19, a first rotating shaft 20 and an arc-shaped rack 21, the sliding table 19 is slidably mounted inside the arc-shaped sliding frame 7, the bottom of the sliding table 19 extends to the lower side of the arc-shaped sliding frame 7, the fixing rod 8 is fixedly mounted at the bottom of the sliding table 19, the arc-shaped rack 21 is fixedly mounted at the back side of the arc-shaped sliding frame 7, first guide grooves 22 are symmetrically formed in the front side and the back side of the arc-shaped sliding frame 7, the first rotating shaft 20 is rotatably mounted in the middle of the sliding table 19, both the front end and the back end of the first rotating shaft 20 penetrate through the first guide grooves 22 and extend to the outer side of the arc-shaped sliding frame 7, a first gear 23 engaged with the arc-shaped rack 21 is fixedly mounted at the back end of the first rotating shaft 20, a gasket 24 located in front of the arc-shaped sliding frame 7 is rotatably mounted on the first rotating shaft 20, a first spring 25 is fixedly mounted between the gasket 24 and the front end of the first rotating shaft 20, a second guide groove 26 is formed in the top of the arc-shaped sliding frame 7, and a second guide groove 26 is connected with a sliding bolt 27;

the medical staff loosens the first locking bolt 27, presses the first rotating shaft 20 backwards, at this time, the first rotating shaft 20 drives the first gear 23 to move backwards, so that the first gear 23 is separated from the arc-shaped rack 21, at this time, the first rotating shaft 20 slides along the first guide groove 22, the position of the sliding table 19 in the arc-shaped sliding frame 7 can be quickly adjusted, when the sliding table 19 roughly slides to a proper position, the first rotating shaft 20 is not extruded, at this time, the first spring 25 pushes the first rotating shaft 20 and the first gear 23 to slide forwards to an initial position, the first gear 23 is meshed with the arc-shaped rack 21 again, at this time, the first rotating shaft 20 is rotated slowly, under the meshing action of the first gear 23 and the arc-shaped rack 21, the first rotating shaft 20 drives the sliding table 19 to slide slowly in the arc-shaped sliding frame 7, the sliding table 19 drives the fixing rod 8 to move, so as to finely adjust the position of the circular adjusting frame 10, the circular adjusting frame 10 is adjusted slowly to an optimal position, the first locking bolt 27 is screwed, the angle adjusting process is completed, and the accuracy of angle adjustment is improved;

by arranging the sliding table 19, the first rotating shaft 20, the arc-shaped rack 21, the first guide groove 22, the first gear 23 and the first spring 25, the first rotating shaft 20 is pressed backwards to separate the first gear 23 from the arc-shaped rack 21, and the first rotating shaft 20 slides along the first guide groove 22, so that the position of the sliding table 19 can be quickly adjusted, the time required by angle adjustment is shortened, and the angle adjustment efficiency is improved; the extrusion to first pivot 20 is relieved, and first spring 25 drives first gear 23 and meshes with arc rack 21 mutually again, slowly rotates first pivot 20, and slip table 19 drives dead lever 8 slow motion, finely tunes circular adjusting frame 10 position, has improved the precision of angle modulation.

As shown in fig. 6 and 7, the length adjusting mechanism includes a second rotating shaft 28, a fixing base 29 and a spur rack 30, the spur rack 30 is fixedly installed on the left side of the movable rod 9, the fixing base 29 is fixedly installed on the left side of the fixed rod 8, a through groove 31 is formed in the left side of the fixed rod 8, the upper end of the spur rack 30 is disposed in the through groove 31, the second rotating shaft 28 is rotatably installed in the fixing base 29, a second gear 32 engaged with the spur rack 30 is fixedly installed in the middle of the second rotating shaft 28, a second spring 33 is movably installed between the rear end of the second rotating shaft 28 and the fixing base 29, a clamping groove 34 is formed in the front surface of the fixing base 29, and a clamping block 35 capable of being clamped in the clamping groove 34 is fixedly installed at the front end of the second rotating shaft 28;

the medical staff pulls the second rotating shaft 28 forward, the second rotating shaft 28 drives the clamping block 35 to be separated from the clamping groove 34, at the moment, the second spring 33 is in a compressed state, in the process, the second gear 32 is always meshed with the spur rack 30, the second rotating shaft 28 is slowly rotated, the second rotating shaft 28 drives the second gear 32 to rotate, the second gear 32 drives the movable rod 9 to slowly extend out of the fixed rod 8 through the spur rack 30, so that the circular adjusting frame 10 slowly moves, the puncture needle 17 smoothly and stably punctures a puncture position of a patient, when the puncture position is at a proper depth, the rotation is stopped and the second rotating shaft 28 is loosened, the second spring 33 pushes the second rotating shaft 28 to slide backwards, the clamping block 35 is automatically clamped into the clamping groove 34, the adjustment and fixation of the movable rod 9 are completed, and the puncture process is completed;

by arranging the second rotating shaft 28, the spur rack 30, the second gear 32, the second spring 33, the clamping groove 34 and the clamping block 35, medical staff only need to pull the second rotating shaft 28 outwards and rotate the second rotating shaft slowly, so that the puncture needle 17 can be gently and stably punctured into a position to be punctured of a patient, the puncturing process is gentle and stable, and discomfort to the patient in the puncturing process is avoided; when the puncture needle is punctured to a proper depth, the second rotating shaft 28 is loosened, the clamping block 35 is automatically clamped into the clamping groove 34, the movable rod 9 is fixed, the puncture needle 17 is prevented from shaking, and the stability of the device is improved.

As shown in fig. 8, the power assembly includes two threaded rods 36 and two transmission rods 37, a transmission cavity 38 is formed in the bottom plate 1, the two threaded rods 36 are respectively rotatably installed at the left side and the right side of the transmission cavity 38, the transmission rods 37 are rotatably installed in the transmission cavity 38, a rotating handle located outside the bottom plate 1 is fixedly installed at the left end of the transmission rod 37, the rear ends of the two threaded rods 36 are both engaged with the transmission rods 37, and the first threaded block 3 and the second threaded block 4 are respectively in threaded connection with the left threaded rod 36 and the right threaded rod 36; medical personnel rotate the transmission rod 37 through the handle, the transmission rod 37 drives the two threaded rods 36 to synchronously rotate, the two threaded rods 36 drive the first threaded block 3 and the second threaded block 4 to synchronously move, and then the position of the arc-shaped support 5 is adjusted.

As shown in fig. 9, a concave cavity 39 has been seted up to the inside of knob 16, the inside of concave cavity 39 is equipped with joint ball 40, be equipped with third spring 41 between concave cavity 39 and the joint ball 40, a plurality of joint grooves 42 have evenly been seted up in the front of circular adjusting frame 10, medical personnel rotate knob 16, joint ball 40 breaks away from in joint groove 42 intermittently under the extrusion, and when joint ball 40 breaks away from in joint groove 42, third spring 41 is in compression state, treat to adjust pjncture needle 17 to suitable position after, stop rotating knob 16, third spring 41 will push the automatic card of joint ball 40 and go into corresponding joint groove 42 this moment, carry on spacingly to knob 16 to fix pjncture needle 17 in current position, the simple operation realizes carrying on spacingly automatically to knob 16.

As shown in fig. 10, a groove 43 is formed in the clamping block 14, a squeezing plate 44 is slidably mounted in the groove 43, a squeezing rod 45 penetrating through the groove 43 is connected to the clamping block 14 through a thread, and the rear end of the squeezing rod 45 is rotatably connected with the squeezing plate 44; after the medical staff places the puncture needle 17 in the clamping block 14, the extrusion rod 45 is rotated, the extrusion rod 45 pushes the extrusion plate 44 in the groove 43 to slide towards the puncture needle 17 until the extrusion plate 44 abuts against the outer wall of the puncture needle 17, clamping and fixing of the puncture needle 17 are completed, the puncture needle 17 is prevented from loosening in the puncture process, and the safety and stability of the puncture process are improved.

As shown in fig. 11, clamping plates 46 are symmetrically and slidably mounted on the left side and the right side of the bottom plate 1, a top plate 47 is slidably mounted on each clamping plate 46, a top rod 48 is connected to the bottom of each clamping plate 46 through a thread, the top of each top rod 48 is rotatably connected to the corresponding clamping plate 46, and a first tension spring 49 is fixedly mounted between one side of each clamping plate 46 and the bottom plate 1; medical personnel place the device on the sick bed, respectively to two clamp plates 46 of left and right sides pulling, make the inboard of two clamp plates 46 paste respectively tightly in the sick bed both sides under the pulling that corresponds first extension spring 49, rotate ejector pin 48, make ejector pin 48 promote the roof 47 upward movement that corresponds, until two roof 47 all push up tightly in the sick bed bottom, accomplish the fixed to the device, prevent that the puncture in-process device from taking place to remove, guarantee the stability of puncture process.

As shown in fig. 8, an adjusting cavity 50 is formed inside the headrest 2, guide rods 51 are symmetrically and fixedly mounted inside the adjusting cavity 50, a bidirectional screw rod 52 is rotatably mounted inside the adjusting cavity 50, adjusting seats 53 capable of sliding along the guide rods 51 are respectively in threaded connection with two ends of the bidirectional screw rod 52, and protection plates 54 are respectively and fixedly mounted on the tops of the two adjusting seats 53; medical personnel rotate two-way lead screw 52, and two-way lead screw 52 will drive two guard plates 54 on adjusting seat 53 along guide bar 51 simultaneous movement, makes two guard plates 54 paste tightly in patient's head both sides, carries out spacing fixed to patient's head both sides, prevents to rock because of patient's head and leads to the puncture failure, improves the success rate of puncture.

As shown in fig. 2 and 12, a support plate 55 is fixedly mounted at the rear side of the headrest 2, a first pressure plate 56 is slidably mounted on the support plate 55, a first limit pin 57 is slidably mounted at the rear side of the first pressure plate 56, a second tension spring 58 is fixedly mounted between the first limit pin 57 and the first pressure plate 56, a plurality of groups of first limit holes 59 are uniformly formed in the back surface of the support plate 55, a second pressure plate 60 is slidably mounted inside the first pressure plate 56, and a second locking bolt 61 is in threaded connection with the top of the first pressure plate 56; the medical staff pulls the first limiting pin 57 backwards and slides the first pressing plate 56 up and down to enable the bottom of the first pressing plate 56 to be attached to the forehead of the patient, the first limiting pin 57 is loosened, the second tension spring 58 pulls the first limiting pin 57 to be automatically clamped into the corresponding first limiting hole 59, the head of the patient is further fixed, the head of the patient is prevented from being lifted in the puncturing process, the successful completion of the puncturing process is guaranteed, the medical staff can adjust the length of the second pressing plate 60 extending out of the first pressing plate 56 according to the actual situation of the patient, and the position of the second pressing plate 60 is limited by using the second locking bolt 61, so that the device can fix the heads of different patients, and the applicability of the device is enhanced; two equal fixed mounting in the side of guard plate 54, the bottom of first clamp plate 56 and the bottom of second clamp plate 60 has protection pad 62, and protection pad 62 is soft sponge material, prevents effectively that guard plate 54, first clamp plate 56 or second clamp plate 60 from hurting patient's head, improves patient's comfort level.

As shown in fig. 13, a second limit pin 63 is slidably mounted on the right side of the slot 6, a third tension spring 64 is fixedly mounted between the second limit pin 63 and the slot 6, and a second limit hole 65 is formed at the right end of the arc-shaped support 5; medical personnel stimulate second spacer pin 63 right to peg graft the right-hand member of arc support 5 in slot 6, loosen second spacer pin 63, third extension spring 64 will stimulate second spacer pin 63 joint in the spacing hole 65 of second, fixes arc support 5, prevents to adjust the device or puncture in-process arc support 5 and takes place the pine to take off the aversion, has improved the stability of device.

The working principle is as follows: medical personnel firstly fix the device on a sickbed, lift the arc-shaped support 5, lay a patient on an operating table, enable the head to be rested on the headrest 2, locate the neck on the bottom plate 1, rotate the arc-shaped support 5 and insert the right end of the arc-shaped support into the slot 6, fix the head of the patient by the adjusting protection plate 54, the first pressing plate 56 and the second pressing plate 60, install the proper puncture needle 17 in the clamping block 14, drive the arc-shaped support 5 to move through a power assembly, preliminarily adjust the position of the puncture needle 17, enable the puncture needle 17 and a puncture part to be approximately in the same vertical plane, further adjust the position of the puncture needle 17 through an angle adjusting mechanism, and enable the puncture needle 17 to further aim at the puncture part; the length adjusting mechanism is used for adjusting the movable rod 9, so that the puncture needle 17 is slowly close to the puncture part, and the length adjusting mechanism is stopped adjusting;

the knob 16 is rotated, the knob 16 enables the puncture needle 17 to move along with the clamping block 14 in a 8-shaped manner in the curved surface, when the puncture needle 17 rotates to the position facing the puncture part, the knob 16 stops rotating, medical workers enable the movable rod 9 to slowly extend out of the fixed rod 8 through the length adjusting mechanism, the movable rod 9 drives the circular adjusting frame 10 and the puncture needle 17 to slowly puncture the part to be punctured, when the puncture is carried out to a proper depth, the adjustment of the length adjusting mechanism is stopped, at the moment, the medical workers repeatedly pull the needle core 18 in the puncture needle 17, and then puncture sampling operation can be carried out.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. A clinical thyroid gland puncture auxiliary device comprises a bottom plate (1) and a headrest (2), and is characterized in that the headrest (2) is fixedly installed on the rear side of the bottom plate (1), a first thread block (3) and a second thread block (4) are respectively installed on the left side and the right side of the interior of the bottom plate (1) in a sliding mode, the first thread block (3) and the second thread block (4) synchronously slide back and forth along the bottom plate (1) under the driving of a power assembly, an arc-shaped support (5) is installed on the top of the first thread block (3) in a rotating mode, a slot (6) is fixedly installed on the top of the second thread block (4), and an arc-shaped sliding frame (7) is fixedly installed on the top of the arc-shaped support (5);

an angle adjusting mechanism is arranged inside the arc-shaped sliding frame (7), a fixed rod (8) is fixedly arranged at the bottom of the angle adjusting mechanism, a movable rod (9) is slidably arranged inside the fixed rod (8), and the movable rod (9) can slide along the fixed rod (8) under the driving of a length adjusting mechanism;

the bottom fixed mounting of movable rod (9) has circular adjusting frame (10), first spout (11), every have been seted up to the equal symmetry in the left and right sides of circular adjusting frame (10) first spout (11) interior equal slidable mounting of first slider (12), every the inside of first slider (12) all rotates and installs first connecting rod (13), the middle part of circular adjusting frame (10) is equipped with grip block (14), every the other end of first connecting rod (13) all with grip block (14) fixed connection, the equal symmetrical rotation in both sides installs connection piece (15), two around circular adjusting frame (10) inside all rotate on connection piece (15) and install second connecting rod (66), two the other end of second connecting rod (66) all with grip block (14) fixed connection, be located the place ahead the front end fixed mounting of connection piece (15) has knob (16), the inside demountable mounting of grip block (14) has pjncture needle (17), the inside slidable mounting of pjncture needle (17) has needle core (18).

2. The clinical thyroid gland puncture auxiliary device according to claim 1, characterized in that, angle adjustment mechanism includes slip table (19), first pivot (20) and arc rack (21), slip table (19) slidable mounting is in inside arc sliding frame (7), arc rack (21) fixed mounting be in the back of arc sliding frame (7), first guide way (22) have been seted up to the front and back symmetry of arc sliding frame (7), first pivot (20) rotate and install the middle part at slip table (19), and both ends all pass first guide way (22) and extend to the outside of arc sliding frame (7) around first pivot (20), the rear end fixed mounting of first pivot (20) with first gear (23) that arc rack (21) meshed mutually, rotate on first pivot (20) and install and be located gasket (24) in arc sliding frame (7) the place ahead, fixed mounting has first spring (25) between the front end of gasket (24) and first pivot (20), the top of arc sliding frame (7) is seted up and can be connected with the screw thread guide way (26) along second guide way (26).

3. A clinical thyroid gland puncture auxiliary device according to claim 1, wherein the length adjusting mechanism comprises a second rotating shaft (28), a fixed seat (29) and a spur rack (30), the spur rack (30) is fixedly installed on the left side of the movable rod (9), the fixed seat (29) is fixedly installed on the left side of the fixed rod (8), a through groove (31) is formed in the left side of the fixed rod (8), the upper end of the spur rack (30) is placed in the through groove (31), the second rotating shaft (28) is rotatably installed in the fixed seat (29), a second gear (32) meshed with the spur rack (30) is fixedly installed in the middle of the second rotating shaft (28), a second spring (33) is movably installed between the rear end of the second rotating shaft (28) and the fixed seat (29), a clamping groove (34) is formed in the front surface of the fixed seat (29), and a clamping block (35) capable of being clamped in the clamping groove (34) is fixedly installed at the front end of the second rotating shaft (28).

4. The clinical thyroid gland puncture auxiliary device according to claim 1, wherein the power assembly comprises two threaded rods (36) and two transmission rods (37), a transmission cavity (38) is formed in the bottom plate (1), the two threaded rods (36) are rotatably mounted on the left side and the right side of the transmission cavity (38), the transmission rods (37) are rotatably mounted in the transmission cavity (38), the rear ends of the two threaded rods (36) are meshed with the transmission rods (37), and the first threaded block (3) and the second threaded block (4) are respectively in threaded connection with the left threaded rod and the right threaded rod (36).

5. The clinical thyroid puncture auxiliary device according to claim 1, wherein a concave cavity (39) is formed in the knob (16), a clamping ball (40) is arranged in the concave cavity (39), a third spring (41) is arranged between the concave cavity (39) and the clamping ball (40), and a plurality of clamping grooves (42) are uniformly formed in the front surface of the circular adjusting frame (10).

6. The clinical thyroid puncture auxiliary device according to claim 1, wherein a groove (43) is formed in the clamping block (14), an extrusion plate (44) is slidably mounted in the groove (43), an extrusion rod (45) penetrating through the groove (43) is in threaded connection with the clamping block (14), and the rear end of the extrusion rod (45) is rotatably connected with the extrusion plate (44).

7. A clinical thyroid puncture auxiliary device according to claim 4, wherein the clamping plates (46) are symmetrically and slidably mounted on the left side and the right side of the bottom plate (1), a top plate (47) is slidably mounted on each clamping plate (46), a top rod (48) is in threaded connection with the bottom of each clamping plate (46), the top of each top rod (48) is rotatably connected with the corresponding clamping plate (46), and a first tension spring (49) is fixedly mounted between one side of each clamping plate (46) and the bottom plate (1).

8. The clinical thyroid gland puncture auxiliary device according to claim 1, wherein an adjusting cavity (50) is formed in the headrest (2), guide rods (51) are symmetrically and fixedly mounted in the adjusting cavity (50), a bidirectional screw rod (52) is rotatably mounted in the adjusting cavity (50), adjusting seats (53) capable of sliding along the guide rods (51) are in threaded connection at two ends of the bidirectional screw rod (52), and a protection plate (54) is fixedly mounted at the tops of the two adjusting seats (53).

9. The clinical thyroid gland puncture auxiliary device according to claim 8, characterized in that, the rear side fixed mounting of headrest (2) has backup pad (55), slidable mounting has first clamp plate (56) on backup pad (55), slidable mounting has first spacer pin (57) on the rear side of first clamp plate (56), fixed mounting has second extension spring (58) between first spacer pin (57) and first clamp plate (56), the first spacing hole of multiunit (59) has evenly been seted up at the back of backup pad (55), slidable mounting has second clamp plate (60) in the inside of first clamp plate (56), the top threaded connection of first clamp plate (56) has second locking bolt (61), two the side of guard plate (54), the bottom of first clamp plate (56) and the bottom of second clamp plate (60) all fixed mounting have protection pad (62).

10. The clinical thyroid puncture auxiliary device according to claim 1, wherein a second limit pin (63) is slidably mounted on the right side of the slot (6), a third tension spring (64) is fixedly mounted between the second limit pin (63) and the slot (6), and a second limit hole (65) is formed in the right end of the arc-shaped support (5).