CN215839384U

CN215839384U - Image CT puncture positioning device

Info

Publication number: CN215839384U
Application number: CN202122158091.XU
Authority: CN
Inventors: 王金英; 孟岩
Original assignee: First Affiliated Hospital of Xinjiang Medical University
Current assignee: First Affiliated Hospital of Xinjiang Medical University
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-02-18
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses an image CT puncture positioning device, which relates to the technical field of puncture positioning and comprises a clamping mechanism used for clamping a CT bed, wherein a horizontal guide rail is arranged on the clamping mechanism, a sliding block is sleeved on the outer side of the horizontal guide rail in a sliding manner, a lifting rod is rotatably connected onto the sliding block through a rotating assembly, a limiting strip is arranged on the outer side of the lifting rod, a height sleeve is sleeved on the outer side of the lifting rod in a sliding manner, a supporting rod is arranged on the height sleeve, a rotating sleeve is sleeved on the outer side of the supporting rod, a dial is arranged on the supporting rod, a pointer is arranged on the rotating sleeve, and one end of the rotating sleeve is rotatably connected with a positioning ring through a turnover mechanism, so that the utility model has the beneficial effects that: the regulation is comparatively convenient, and the position circle contact human, and positioner can carry out the displacement along with human breathing, conveniently finds the puncture point accurately, has reduced the relative toward displacement between guiding tube and the puncture point, and the puncture is more accurate.

Description

Image CT puncture positioning device

Technical Field

The utility model relates to the technical field of puncture positioning, in particular to an image CT puncture positioning device.

Background

Puncture is a common medical operation term, and is a diagnosis and treatment technology for puncturing a puncture needle into a body cavity to extract secretion for testing, injecting gas or contrast medium into the body cavity to perform contrast examination, or injecting medicine into the body cavity, and the purpose of puncture is blood extraction for testing, blood transfusion, fluid infusion, catheterization for angiography and the like.

The publication number is: CN201734787U somatic part CT precision positioning piercing depth discloses, a somatic part CT precision positioning piercing depth, its characterized in that the device includes an alignment jig, is fixed in the base frame of the square frame shape on this alignment jig to and settle in this base frame and locating plate and the puncture board that length width equals respectively, the locating plate in be equipped with equidistant and transverse arrangement's location coordinate line, the puncture board on run through have with the corresponding equidistance puncture hole of location coordinate line, the interval of every two adjacent rows of puncture holes all equals the interval of location coordinate line.

When the upper limb is punctured, a human body can be punctured in the breath holding stage of three stages of inspiration, expiration and breath holding without stopping breathing, but the positioning time in the breath holding stage is short, once normal breathing is performed, the positioning is disturbed, a certain relative displacement can always exist between a puncture point and a positioning device, and thus, the puncture positioning point and a predicted puncture point always have an error.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an image CT puncture positioning device, which can move along with the respiration of a human body, is convenient to find a puncture point and improves the puncture precision.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an image CT puncture positioner, is including being used for the fixture of centre gripping on the CT bed, the last horizontal guide rail that is provided with of fixture, the slider has been cup jointed in the outside slip of horizontal guide rail, it is connected with the lifter to rotate through rotatory subassembly on the slider, the outside of lifter is provided with spacing, the lifter outside slides and has cup jointed the high cover, be provided with the bracing piece on the high cover, the swivel cover has been cup jointed in the outside of bracing piece, be provided with the calibrated scale on the bracing piece, be provided with the pointer on the swivel cover, the one end of swivel cover rotates through tilting mechanism and is connected with the position circle, the card has the positioning disk on the position circle, be provided with the guiding tube on the positioning disk.

Preferably, the rotating assembly comprises a fixed block fixedly mounted on the sliding block, the inner side of the fixed block is rotatably connected with a rotating block, one end of the lifting rod is fixedly connected with the upper end face of the rotating block, and the fixed block is provided with a self-locking mechanism which is used for fixing the angle of the rotating block.

Preferably, the cross section of the horizontal guide rail is rectangular, one end of the horizontal guide rail penetrates through the sliding block, a self-locking mechanism is arranged on the sliding block, and the self-locking mechanism is used for fixing the position of the sliding block on the horizontal guide rail.

Preferably, the turnover mechanism comprises a convex shaft fixedly installed at one end of the rotary sleeve, a sleeve ring is sleeved outside the convex shaft in a sliding mode, a connecting rod is arranged at one end of the sleeve ring, one end of the connecting rod is fixedly connected with the positioning ring, a self-locking mechanism is arranged on the sleeve ring and used for fixing the rotating angle of the sleeve ring, the axial lead of the convex shaft is perpendicular to the axial lead of the rotary sleeve, and the connecting rod can use the sleeve ring as the center of a circle to swing in a reciprocating mode.

Preferably, a self-locking mechanism is arranged on the rotary sleeve and used for fixing the angle of the rotary sleeve.

Preferably, the self-locking mechanism comprises a screw for locking the respective parts

Preferably, the clamping mechanism comprises a clamping block, a screw rod is arranged on the clamping block, and the clamping block is arranged in a C shape.

Compared with the prior art, the utility model has the beneficial effects that: this image CT puncture positioner: can direct centre gripping on the bedstead of CT bed through the fixture block, horizontal guide rail level is placed, rotates through the angle to the rotary sleeve to and overturn the connecting rod, can adjust the position of position circle, make the guiding tube can coincide with the puncture point, it is comparatively convenient to adjust, and the position circle contact human body, and can follow human breathing and carry out displacement from top to bottom, reduced the relative past displacement between guiding tube and the puncture point, the puncture is more accurate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a rotary assembly according to the present invention;

fig. 3 is a partial structural schematic diagram of the present invention.

In the figure: 10. a clamping block; 11. a screw rod; 13. a horizontal guide rail; 14. a slider; 15. a rotating assembly; 16. a lifting rod; 17. a limiting strip; 18. a height sleeve; 19. a support bar; 20. a rotating sleeve; 21. a pointer; 22. a turnover mechanism; 23. a dial scale; 24. a connecting rod; 25. positioning rings; 26. positioning a plate; 27. a guide tube; 28. a fixed block; 29. rotating the block; 30. a protruding shaft; 31. a collar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an image CT puncture positioning device comprises a clamping mechanism clamped on a CT bed, the clamping mechanism can be clamped on a bed frame of the CT bed, a horizontal guide rail 13 is arranged on the clamping mechanism, the horizontal guide rail 13 can adjust the linear distance between the positioning device and a patient, a sliding block 14 is sleeved on the outer side of the horizontal guide rail 13 in a sliding manner, the sliding block 14 can move on the horizontal guide rail 13, a lifting rod 16 is rotatably connected onto the sliding block 14 through a rotating component 15, a limiting strip 17 is arranged on the outer side of the lifting rod 16, a height sleeve 18 is sleeved on the outer side of the lifting rod 16 in a sliding manner, the height sleeve 18 can move along the lifting rod 16, the height of the height sleeve 18 is further changed, the height sleeve 18 can only move in the vertical direction relative to the lifting rod 16 through the limitation of the limiting strip 17, a supporting rod 19 is arranged on the height sleeve 18, and a rotating sleeve 20 is sleeved on the outer side of the supporting rod 19, the rotating sleeve 20 can use the bracing piece 19 to carry out the change of angle as the centre of a circle, be provided with calibrated scale 23 on the bracing piece 19, be provided with pointer 21 on the rotating sleeve 20, it can change the angle of pointer 21 to rotate through rotating sleeve 20, it changes to kill the scale that falls on the corresponding calibrated scale 23 of pointer 21, can know what the rotatory angle is, the one end of rotating sleeve 20 rotates through tilting mechanism 22 and is connected with position circle 25, the inlay card has positioning disk 26 on the positioning disk 25, be provided with guide tube 27 on the positioning disk 26, setting through tilting mechanism 22, can make the angle of positioning ring 25 change, with better laminating human body, and make guide tube 27 can carry out the verticality with the puncture point, with better puncturing.

Referring to fig. 1 and 2, the rotating assembly 15 includes a fixed block 28 fixedly mounted on the sliding block 14, the inner side of the fixed block 28 is rotatably connected with a rotating block 29, one end of the lifting rod 16 is fixedly connected with the upper end face of the rotating block 29, a self-locking mechanism is arranged on the fixed block 28, the self-locking mechanism is used for fixing the angle of the rotating block 29, the rotating block 29 can rotate by the angle, the angle of the lifting rod 16 can be changed, the angle of the positioning ring 25 can be changed, the self-locking mechanism includes a screw, the screw is used for locking each part, the fixing block 28 can be screwed in by the screw, and the height of the rotating block 29 is realized.

Referring to fig. 1, the cross-sectional shape of the horizontal guide rail 13 is set to be rectangular, one end of the horizontal guide rail 13 penetrates through the sliding block 14, the sliding block 14 is provided with a self-locking mechanism, the self-locking mechanism is used for fixing the position of the sliding block 14 on the horizontal guide rail 13, the sliding block 14 displaces along the horizontal guide rail 13, so that the position of the locating ring 25 on the horizontal plane is changed, the self-locking mechanism comprises a screw, the screw is used for locking each part, the screw can be screwed into the sliding block 14 through the screw and abuts against the horizontal guide rail 13, and the sliding block 14 is fixed.

Please refer to fig. 1 and fig. 3, the turnover mechanism 22 includes a protruding shaft 30 fixedly installed at one end of the rotating sleeve 20, a sleeve ring 31 is slidably sleeved outside the protruding shaft 30, a connecting rod 24 is installed at one end of the sleeve ring 31, one end of the connecting rod 24 is fixedly connected with the positioning ring 25, a self-locking mechanism is installed on the sleeve ring 31, the self-locking mechanism is used for fixing the rotation angle of the sleeve ring 31, the axis of the protruding shaft 30 is perpendicular to the axis of the rotating sleeve 20, the connecting rod 24 can swing back and forth with the sleeve ring 31 as the center of a circle, the connecting rod 24 rotates with the protruding shaft 30 as the center of a circle through the sleeve ring 31, so that the positioning ring 25 can be better attached to the patient, it is ensured that the guiding tube 27 can be more perpendicular to the puncture site, the sleeve ring 31 and the protruding shaft 30 can be fixed together by screwing into the sleeve ring 31.

Referring to fig. 3, the rotating sleeve 20 is provided with a self-locking mechanism, the self-locking mechanism is used for fixing the angle of the rotating sleeve 20, the self-locking mechanism includes a screw, the screw is used for locking each component, the screw is screwed into the rotating sleeve 20, and the angle of the rotating sleeve 20 can be fixed after the screw is screwed down.

Referring to fig. 1, the clamping mechanism includes a clamping block 10, a screw rod 11 is disposed on the clamping block 10, the clamping block 10 is configured in a C shape, the C shape is configured, so that the clamping block 10 can be clamped on the bed frame of the CT bed, and one end of the clamping block 10 abuts against the CT bed by screwing the screw rod 11, so as to achieve the purpose of fixing the clamping block 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an image CT puncture positioner which characterized in that: comprises a clamping mechanism used for clamping on a CT bed, a horizontal guide rail (13) is arranged on the clamping mechanism, a sliding block (14) is sleeved on the outer side of the horizontal guide rail (13) in a sliding manner, a lifting rod (16) is connected to the sliding block (14) in a rotating manner through a rotating component (15), a limiting strip (17) is arranged on the outer side of the lifting rod (16), a height sleeve (18) is sleeved on the outer side of the lifting rod (16) in a sliding manner, a supporting rod (19) is arranged on the height sleeve (18), a rotating sleeve (20) is sleeved on the outer side of the supporting rod (19), a dial (23) is arranged on the supporting rod (19), a pointer (21) is arranged on the rotating sleeve (20), one end of the rotating sleeve (20) is rotatably connected with a positioning ring (25) through a turnover mechanism (22), and a positioning disc (26) is embedded on the positioning ring (25), and a guide pipe (27) is arranged on the positioning disc (26).

2. The apparatus according to claim 1, wherein: rotating assembly (15) are including fixed block (28) of fixed mounting on slider (14), the inboard of fixed block (28) is rotated and is connected with commentaries on classics piece (29), the one end of lifter (16) with the up end fixed connection who changes piece (29), be provided with self-locking mechanism on fixed block (28), self-locking mechanism is used for the fixed angle that changes piece (29).

3. The apparatus according to claim 1, wherein: the cross section of the horizontal guide rail (13) is rectangular, one end of the horizontal guide rail (13) penetrates through the sliding block (14), a self-locking mechanism is arranged on the sliding block (14), and the self-locking mechanism is used for fixing the position of the sliding block (14) on the horizontal guide rail (13).

4. The apparatus according to claim 1, wherein: tilting mechanism (22) including fixed mounting be in protruding axle (30) of rotatory cover (20) one end, the lantern ring (31) has been cup jointed in the outside slip of protruding axle (30), the one end of the lantern ring (31) is provided with connecting rod (24), the one end of connecting rod (24) with position circle (25) fixed connection, be provided with self-locking mechanism on the lantern ring (31), self-locking mechanism is used for fixing the rotation angle of the lantern ring (31), the axial lead of protruding axle (30) with it is perpendicular between the axial lead of rotatory cover (20), connecting rod (24) can with the lantern ring (31) carries out reciprocating swing as the centre of a circle.

5. The apparatus according to claim 4, wherein: and a self-locking mechanism is arranged on the rotary sleeve (20) and is used for fixing the angle of the rotary sleeve (20).

6. An image CT puncture positioning device according to any one of claims 2, 3, 4 and 5, wherein: the self-locking mechanism comprises a screw which is used for locking each part.

7. The apparatus according to claim 1, wherein: the clamping mechanism comprises a clamping block (10), a screw rod (11) is arranged on the clamping block (10), and the clamping block (10) is arranged in a C shape.