CN209899532U

CN209899532U - Guide frame for tumor CT detection puncture

Info

Publication number: CN209899532U
Application number: CN201920478298.5U
Authority: CN
Inventors: 杜芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-01-07
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a tumour CT detects guide frame for puncture, including erecting frame and horizontal pole, the dead slot has been seted up to horizontal pole inside, and dead slot internal surface top is rotated through axis of rotation and cylinder and is connected. The utility model discloses in, tight pulley and fixed wheel have been adopted, in-process that penetrates the cylinder at the pjncture needle, pjncture needle and removal wheel surface butt, spring push bearing this moment, the bearing drives the dwang and removes the wheel and support tight pjncture needle, play the effect of centre gripping, remove the wheel simultaneously and rotate along the bearing, do not influence the pjncture needle and push, removal wheel and pjncture needle surface butt in the fixed wheel simultaneously, prevent that the pjncture needle from rocking in the cylinder, thereby ensure the stability of pjncture needle at the puncture in-process, the problem of traditional guide frame needle structure of wearing to adjust clamping strength has been solved in setting up of tight pulley and fixed wheel, avoid the centre gripping too tight and arouse the pjncture needle to pierce inconveniently, also avoided the centre gripping to cross the pine simultaneously and arouse the problem that the pjn.

Description

Guide frame for tumor CT detection puncture

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a tumour CT detects guide frame for puncture.

Background

Medical equipment refers to instruments, equipment, instruments, materials or other articles used alone or in combination in the human body, and also includes necessary software, and in recent years, minimally invasive techniques have been rapidly developed and popularized, and a considerable part of these techniques are used for puncturing deep tissue targets under CT, and a puncture guide frame is required for puncturing.

In the traditional puncture guide frame, a puncture needle cylinder adopts a lateral opening type, a puncture needle is put into the needle cylinder, then the needle cylinder is fixed, the puncture needle is fixed, so that the puncture needle can only move along the needle cylinder, however, the clamping force of the traditional puncture needle cylinder is not well adjusted, if the clamping force is too large, the puncture needle can not easily move, if the clamping force is too small, the puncture needle can shake in the needle cylinder, and the phenomenon of inaccurate puncture is caused, meanwhile, when the length of the traditional puncture guide frame is adjusted, an adjustable telescopic rod is adopted, but a gap exists between the inner rod and the outer rod, even if the inner rod is fixed, the phenomenon of slight shaking still occurs, and for puncture detection with high precision requirement, the slight shaking may cause failure of the whole process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a guide frame for tumor CT detection puncture.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a guide frame for tumor CT detection puncture comprises a vertical frame and a cross rod, wherein a hollow groove is formed in the cross rod, the upper part of the inner surface of the hollow groove is rotatably connected with a needle cylinder through a rotating shaft, clamping wheels and fixed wheels are alternately arranged in the needle cylinder from top to bottom, an alignment line is printed at the vertical center line position on the surface of the needle cylinder, the surface of the cross rod is fixedly connected with a protractor, the circle center of the protractor corresponds to the circle center of the rotating shaft, a lantern ring is fixedly connected to the bottom surface of the needle cylinder in the hollow groove, a third jackscrew is hinged to one side surface of the lantern ring through a universal adjusting ball seat and penetrates through the side wall of the hollow groove and extends to the outer side of the cross rod, the vertical frame is spirally connected with a moving disc through feet, the moving disc is slidably clamped in a rail, sealing plates are fixedly connected to two ends of the rail, clamping seats are welded on the bottom surface of the rail, and the other end of the first jackscrew penetrates through the sealing plate and extends to the outer side of the track.

As a further description of the above technical solution:

the tight wheel of clamp includes wheel seat, spring, dwang, removal wheel and bearing, and wheel seat and cylinder inner wall fixed connection, wheel seat is inside to be seted up slottedly, and inslot sliding connection has the bearing to inside the pegging graft of bearing has the dwang, dwang and removal wheel fixed connection, the bearing passes through spring and inslot wall connection.

As a further description of the above technical solution:

the clamping wheels are distributed on the inner wall of the needle cylinder at equal angles, the fixed wheels are distributed on the inner wall of the needle cylinder at equal angles, the surface of the movable wheel is of an arc-shaped structure, and the curvature radius of the surface of the movable wheel is equal to that of the puncture needle.

As a further description of the above technical solution:

the center positions of the surfaces of the top end and the bottom end of the needle cylinder are provided with needle-penetrating holes, and the aperture of each needle-penetrating hole is slightly larger than the diameter of the puncture needle.

As a further description of the above technical solution:

the bottom surface of the cross rod is positioned on one side of the empty groove and is fixedly connected with a laser alignment lamp which is of a detachable structure.

As a further description of the above technical solution:

erect a side fixed surface and be connected with the round level ware, a joint seat side surface runs through threaded connection has the second jackscrew.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, the clamping wheel and the fixed wheel are adopted, the surfaces of the moving wheel of the clamping wheel and the moving wheel of the fixed wheel are arc-shaped, the curvature radius is equal to the curvature radius of the puncture needle, in the process that the puncture needle penetrates into the needle cylinder, the puncture needle is abutted against the surface of the moving wheel, at the moment, the bearing is pushed by the spring, the bearing drives the rotating rod and the moving wheel to abut against the puncture needle, the clamping effect is achieved, simultaneously, the moving wheel and the bearing rotate, the pushing of the puncture needle is not influenced, simultaneously, the moving wheel in the fixed wheel is abutted against the surface of the puncture needle, the puncture needle is prevented from shaking in the needle cylinder, the stability of the puncture needle in the puncture process is ensured, the problem that the traditional guide frame puncture structure is not good in clamping strength adjustment is solved by the arrangement of the clamping wheel and the fixed wheel, the inconvenience in puncture caused by the too tight clamping is avoided, the puncture efficiency is improved.

2. The utility model discloses in, adopted the removal dish, foot spiral and track groove, the removal dish is removed at track inslot portion through rotating first jackscrew, adjustable horizontal pole horizontal position, adjust the support for traditional telescopic link formula, there is the clearance between the telescopic link has been avoided, produce the problem of rocking easily, make the pjncture needle at the puncture in-process, the level is more stable to supporting, and simultaneously, first jackscrew thread interval is less, it is higher to adjust the precision, in addition, erect the frame and the horizontal pole sets up perpendicularly, can with erecting the frame adjustment to with perpendicular to the ground through adjusting the foot spiral, keep the level of horizontal pole, make things convenient for medical personnel to calculate the angle of pricking, it is more accurate to make the angle of pricking, improve the puncture precision.

Drawings

Fig. 1 is a schematic structural view of a guide frame for tumor CT detection puncture according to the present invention;

FIG. 2 is a schematic view of the inner structure of the syringe of the present invention;

FIG. 3 is a sectional view taken along line A-A of the cylinder of the present invention;

FIG. 4 is a sectional view taken along line B-B of the cylinder of the present invention;

FIG. 5 is a schematic view of the internal structure of the cross bar of the present invention;

FIG. 6 is a schematic view of the movable plate and rail connection of the present invention;

fig. 7 is a schematic view of the connection between the movable plate and the first jack screw according to the present invention.

Illustration of the drawings:

1. erecting; 2. a circular level; 3. a first jackscrew; 4. a second jackscrew; 5. a clamping seat; 6. a track; 7. a movable tray; 8. a foot spiral; 9. a third jackscrew; 10. aligning the lines; 11. a needle cylinder; 12. a protractor; 13. a laser alignment lamp; 14. a cross bar; 15. a bearing; 16. a spring; 17. a wheel seat; 18. rotating the rod; 19. a moving wheel; 20. perforating a pinhole; 21. a pinch wheel; 22. fixing the wheel; 23. an empty groove; 24. a rotating shaft; 25. a collar; 26. a universal adjusting ball seat; 27. and (7) closing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-7, a guide frame for tumor CT detection puncture comprises a vertical frame 1 and a cross bar 14, wherein a hollow groove 23 is formed in the cross bar 14, the upper portion of the inner surface of the hollow groove 23 is rotatably connected with a needle cylinder 11 through a rotating shaft 24, a clamping wheel 21 and a fixed wheel 22 are alternately arranged in the needle cylinder 11 from top to bottom, an alignment line 10 is printed on the vertical center line position of the surface of the needle cylinder 11, a protractor 12 is fixedly connected to the surface of the cross bar 14, the center of the protractor 12 corresponds to the center of the rotating shaft 24, a collar 25 is fixedly connected to the bottom surface of the needle cylinder 11 in the hollow groove 23, a third jackscrew 9 is hinged to one side surface of the collar 25 through a universal adjusting ball seat 26, the third jackscrew 9 penetrates through the side wall of the hollow groove 23 and extends to the outer side of the cross bar 14, a moving disc 7 is connected to the bottom surface 1 of the vertical frame, and the welding of track 6 bottom surface has joint seat 5, and the surface of one side of moving plate 7 is located track 6 inside and is connected with first jackscrew 3 through the rolling disc, and the shrouding 27 is run through and extend to the track 6 outside to the first jackscrew 3 other end.

The clamping wheel 21 comprises a wheel seat 17, a spring 16, a rotating rod 18, a moving wheel 19 and a bearing 15, the wheel seat 17 is fixedly connected with the inner wall of the needle cylinder 11, a groove is formed in the wheel seat 17, the bearing 15 is connected with the bearing 15 in a sliding manner, the rotating rod 18 is inserted in the bearing 15, the rotating rod 18 is fixedly connected with the moving wheel 19, the bearing 15 is connected with the inner wall of the groove through the spring 16, the clamping wheel 21 is distributed on the inner wall of the needle cylinder 11 at equal angles, the fixed wheel 22 is distributed on the inner wall of the needle cylinder 11 at equal angles, the surface of the moving wheel 19 is of an arc structure, the surface curvature radius of the moving wheel 19 is equal to the curvature radius of the puncture needle, a puncture hole 20 is formed in the center positions of the top end surface and the bottom end surface of the needle cylinder 11, the aperture of the puncture hole 20 is slightly larger than the diameter of the puncture needle, the, the surface of one side of the clamping seat 5 is connected with a second jackscrew 4 through a penetrating thread, in the process of rotating the third jackscrew 9, the third jackscrew 9 drives the needle cylinder 11 to rotate along the rotating shaft 24 through a universal adjusting ball seat 26, the rotating angle can be observed through an alignment line 10, the thread of the third jackscrew 9 is thin, the angle adjustment is more accurate, in addition, the third jackscrew 9 stops rotating, the third jackscrew 9 is connected with the surface wall thread of the cross rod 14 to limit horizontal movement, namely, the needle cylinder 11 can be positioned, the trouble that a fixing mechanism is required to be arranged independently for a traditional guide frame for puncture is eliminated, the device has simpler structure and more convenient maintenance, a moving wheel 19 is rotatably connected inside the fixed wheel 22, when the clamping wheel 21 is not punctured with a puncture needle, the spring 16 is in an uncompressed state, at the moment, the distance between the moving wheel 19 of the clamping wheel 21 in the horizontal direction and the vertical direction is smaller than that between the moving wheel 19 of the fixed wheel 22 in the horizontal direction and the, the vertical frame 1 and the cross bar 14 are of an integrated structure, the angle between the vertical frame 1 and the cross bar 14 is 90 degrees, the foot screw 8 and the circular level 2 are of a common combined structure, the leveling method is common, and redundant description is omitted.

The working principle is as follows: when the device is used, the device is fixed at the bedside through the clamping seat 5 and the second jackscrew 4, light spots emitted by the first jackscrew 3 to the laser alignment lamp 13 are aligned to the skin right above a tumor, the horizontal rod 14 can be kept level by adjusting the foot spiral 8 to the bubble in the circular level 2, medical staff can calculate the puncture angle conveniently, the puncture angle is more accurate, the puncture precision is improved, after the device is fixed, the puncture needle penetrates through the puncture hole 20, the surfaces of the moving wheel 19 of the clamping wheel 21 and the moving wheel 19 of the fixed wheel 22 are arc-shaped, the curvature radius is equal to the curvature radius of the puncture needle, the puncture needle is abutted against the surface of the moving wheel 19 in the process that the puncture needle penetrates into the needle cylinder 11, the spring 16 pushes the bearing 15 at the moment, the bearing 15 drives the rotating rod 18 and the moving wheel 19 to abut against the puncture needle, the clamping effect is achieved, the moving wheel 19 rotates along the bearing 15 simultaneously, the push of the, simultaneously remove wheel 19 and pjncture needle surface butt in the fixed wheel 22, prevent that the pjncture needle from rocking in cylinder 11, thereby ensure the stability of pjncture needle in puncture process, the problem of the not good regulation clamping strength of traditional guide frame threading structure has been solved in the setting of pinch roller 21 and fixed wheel 22, avoid the centre gripping too tight and arouse the pjncture needle to pierce inconveniently, the problem that the centre gripping too loose arouses the pjncture needle to rock has also been avoided simultaneously, make things convenient for medical personnel to operate, improve puncture efficiency, after the threading is good, rotate the certain angle of third jackscrew 9 to cylinder 11 slope, can puncture, the accessible is observed alignment 10 and protractor 12 scale and is confirmed turned angle.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The guide frame for tumor CT detection puncture comprises a vertical frame (1) and a cross rod (14), and is characterized in that a hollow groove (23) is formed in the cross rod (14), the upper portion of the inner surface of the hollow groove (23) is rotatably connected with a needle cylinder (11) through a rotating shaft (24), a clamping wheel (21) and a fixed wheel (22) are alternately arranged in the needle cylinder (11) from top to bottom, an alignment line (10) is printed on the vertical center line position of the surface of the needle cylinder (11), a protractor (12) is fixedly connected to the surface of the cross rod (14), the circle center of the protractor (12) corresponds to the circle center of the rotating shaft (24), a lantern ring (25) is fixedly connected to the bottom surface of the needle cylinder (11) in the hollow groove (23), a third jackscrew (9) is hinged to one side surface of the lantern ring (25) through a universal adjusting ball seat (26), and the third jackscrew (9) penetrates through the side wall of the hollow groove (23), erect frame (1) bottom surface and be connected with removal dish (7) through foot spiral (8), and remove dish (7) slip joint inside track (6), track (6) both ends fixedly connected with shrouding (27), and track (6) bottom surface welding has joint seat (5), it is connected with first jackscrew (3) through the rolling disc to move dish (7) one side surface and be located track (6) inside, and first jackscrew (3) other end runs through shrouding (27) and extends to the track (6) outside.

2. The guide frame for tumor CT detection puncture according to claim 1, wherein the clamping wheel (21) comprises a wheel seat (17), a spring (16), a rotating rod (18), a moving wheel (19) and a bearing (15), the wheel seat (17) is fixedly connected with the inner wall of the needle cylinder (11), a groove is formed in the wheel seat (17), the bearing (15) is slidably connected in the groove, the rotating rod (18) is inserted in the bearing (15), the rotating rod (18) is fixedly connected with the moving wheel (19), and the bearing (15) is connected with the inner wall of the groove through the spring (16).

3. The tumor CT detection puncture guide frame as claimed in claim 2, wherein the clamping wheels (21) are distributed on the inner wall of the syringe (11) at equal angles, the fixed wheels (22) are distributed on the inner wall of the syringe (11) at equal angles, the surface of the moving wheel (19) is in an arc structure, and the radius of curvature of the surface of the moving wheel (19) is equal to the radius of curvature of the puncture needle.

4. The tumor CT detection puncture guide frame as claimed in claim 1, wherein a puncture hole (20) is formed in the center of the top end surface and the bottom end surface of the needle cylinder (11), and the aperture of the puncture hole (20) is slightly larger than the diameter of the puncture needle.

5. The tumor CT detection puncture guide frame as claimed in claim 1, wherein the laser alignment lamp (13) is fixedly connected to the bottom surface of the cross bar (14) at one side of the hollow groove (23), and the laser alignment lamp (13) is of a detachable structure.

6. The tumor CT detection puncture guide frame as claimed in claim 1, wherein a circular level (2) is fixedly connected to one side surface of the vertical frame (1), and a second jackscrew (4) is connected to one side surface of the clamping seat (5) through a thread.