CN202950667U

CN202950667U - Simple CT (Computed Tomography) guided-to-puncture angle guider

Info

Publication number: CN202950667U
Application number: CN2012207042887U
Authority: CN
Inventors: 陈陵; 朱波
Original assignee: Second Affiliated Hospital of TMMU
Current assignee: Second Affiliated Hospital of TMMU
Priority date: 2012-12-19
Filing date: 2012-12-19
Publication date: 2013-05-29
Anticipated expiration: 2022-12-19

Abstract

The utility model discloses a simple CT (Computed Tomography) guided-to-puncture angle guider which comprises a strip-shaped CT bed, struts are vertically and fixedly arranged on the long sides of the CT bed, the upper ends of the struts are fixedly connected with cross beams, the cross beams are respectively perpendicular to the long sides of the CT bed and the struts, the cross beams are connected with one end of a cantilever fixedly, the cantilever is perpendicular to a plane in which the struts and the cross beams are located, the other end of the cantilever is fixedly provided with an angle panel and a screw, the angle panel is perpendicular to the long sides of the CT bed, the screw perpendicularly penetrates through the middle part of the upper end of the angle panel, an indicator is sheathed on the screw, and the upper end of the indicator is fixedly arranged on the angle panel through a first nut sheathed on the screw. By adopting the structure, and through the indication of the indicator to the angle of the indicator ingoing for puncture, the CT guided-to-puncture accuracy and security can be obviously improved, and the simple CT guided-to-puncture angle guider has the characteristics of being smart in conception, simple in structure, easy to transform, low in transformation cost, and the like.

Description

The angle guideline of simple and easy CT guided puncture

Technical field

This utility model relates to medical instruments field, specifically, and particularly a kind of angle guideline of simple and easy CT guided puncture.

Background technology

At present, CT Guided Percutaneous Biopsies for Lung Lesions art is to determine the important means of enclosed mass character, at situation of all-level hospitals, is widely used, and approximately the pulmonary carcinoma more than 80% is made a definite diagnosis by CT Guided Percutaneous Biopsies for Lung Lesions art.But, as guiding tool, CT Scanner can only provide the numerical value of angle and the degree of depth of tomograph puncture inserting needle.As everyone knows, paracentesis depth is easy to be consistent with the given numerical value of CT Scanner, consistent with given numerical value but puncture angle but is difficult to guarantee.Thereby make the accuracy of CT guided puncture and the experience that safety depends on the patient to a great extent, and in most cases, owing to there is no corresponding angle guideline on CT Scanner, making puncture be difficult to settle at one go, easily cause pneumothorax, the complication such as hemorrhage.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of angle guideline of simple and easy CT guided puncture, is used to indicate the angle of puncture inserting needle.

The technical solution of the utility model is as follows: a kind of angle guideline of simple and easy CT guided puncture, the CT bed (1) that comprises strip, it is characterized in that: be vertically fixed with pillar (2) on the long limit of described CT bed (1), the upper end of described pillar (2) and crossbeam (3) are fixedly linked, described crossbeam (3) is vertical mutually with pillar (2) with the long limit of CT bed (1), this crossbeam (3) is fixedly linked with an end of cantilever (4), described cantilever (4) is mutually vertical with crossbeam (3) plane, place with pillar (2), the other end of cantilever (4) is fixed with angle panel (5) and screw rod (6), wherein angle panel (5) is mutually vertical with the long limit of CT bed (1), described screw rod (6) vertically runs through the upper center of angle panel (5), at the upper cover of this screw rod (6), pointer (7) is arranged, the upper end of described pointer (7) is fixed on angle panel (5) by the first nut (8) be enclosed within on screw rod (6).

Adopt said structure, pass through pillar, crossbeam and cantilever are fixed on CT bed top by the angle panel, and be fixed with pointer by the first nut and screw rod on the angle panel, make the angle of pointer freely to adjust, when the puncture inserting needle, only pointer need to be rotated to given angle, guarantee that by naked eyes puncture needle and pointer are parallel to each other, can be indicated the angle of puncture inserting needle, guarantee that puncture needle punctures by given angle, thereby significantly improve accuracy and the safety of CT guided puncture, and as medical apparatus and instruments, of the present utility model simple in structure, be convenient to clean, sterilization, use safety, health.

Be welded with train wheel bridge (2a) and lower plate (2b) in the lower end of described pillar (2), the edge of bed of described CT bed (1) snaps between train wheel bridge (2a) and lower plate (2b), be penetrated with the second nut (9) on described lower plate (2b) from bottom to top, the lower end of described pillar (2) is fixed on the long limit of CT bed (1) by clamping plate (2a/2b) and the second nut (9).So not only be convenient to dismounting, the installation of pillar, pillar can conveniently be adjusted in Shang De position, the long limit of CT bed, and fixed structure be simple, is convenient to clean, sterilize.

Be provided with two clamping plate that are parallel to each other (4a) at described cantilever (4) away from the termination of angle panel (5), described clamping plate (4a) are mutually vertical with cantilever (4), described crossbeam (3) snaps between two clamping plates (4a), and is fixedly linked with cantilever (4) by running through wherein the 3rd nut (10) of clamping plate (4a).By two clamping plates and the 3rd nut, crossbeam and cantilever are fixedly linked like this, not only are convenient to dismounting, the installation of cantilever, the position of cantilever on crossbeam can conveniently be adjusted, and fixed structure is simple, is convenient to clean, sterilize.

Described pillar (2) is one with crossbeam (3), makes overall construction intensity of the present utility model high, and mechanical connecting structure reduces, and is convenient to sterilization, uses health more.

Beneficial effect: this utility model is fixed on CT bed top by pillar, crossbeam and cantilever by the angle panel, and be fixed with pointer on the angle panel, thereby by pointer, the angle of puncture inserting needle is indicated, improved significantly accuracy and the safety of CT guided puncture, have be skillfully constructed, simple in structure, transformation easily and the characteristics such as improvement cost is low.

The accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is described in further detail.

As shown in Figure 1, this utility model comprises CT bed 1, pillar 2, crossbeam 3, cantilever 4, angle panel 5, screw rod 6, pointer 7, the first nut 8, the second nut 9 and the 3rd nut 10, and wherein CT bed 1 is strip, and this is same as the prior art, and therefore not to repeat here.Be vertically fixed with pillar 2 on the long limit of described CT bed 1, be welded with the train wheel bridge 2a and the lower plate 2b that are parallel to each other in the lower end of described pillar 2.Described train wheel bridge 2a is all mutually vertical with pillar 2 with lower plate 2b.Distance between train wheel bridge 2a and lower plate 2b adapts with the thickness of CT bed 1, and the edge of bed of described CT bed 1 snaps between this train wheel bridge 2a and lower plate 2b.Be penetrated with the second nut 9 on described lower plate 2b from bottom to top, the lower surface of the top of described the second nut 9 and CT bed 1 pushes against, thereby the lower end of pillar 2 is fixed on the long limit of CT bed 1 by train wheel bridge 2a, lower plate 2b and the second nut 9.

As shown in Figure 1, the upper end of described pillar 2 and crossbeam 3 are fixedly linked, and described crossbeam 3 is vertical mutually with pillar 2 with the long limit of CT bed 1, and the present embodiment preferably this pillar 2 is one with crossbeam 3.Described crossbeam 3 is fixedly linked with an end of cantilever 4, and described cantilever 4 is mutually vertical with crossbeam 3 planes, place with pillar 2.The other end of cantilever 4 is fixed with angle panel 5 and screw rod 6, and wherein angle panel 5 is the center of circle in upper semicircle, and angle panel 5 is mutually vertical with the long limit of CT bed 1.Centered by the center of circle of described angle panel 5 upper center, on this angle panel 5, be carved with angle.Described screw rod 6 vertically runs through the upper center of angle panel 5, and on this screw rod 6, cover has pointer 7, and the upper end of described pointer 7 is fixed on angle panel 5 by the first nut 8 be enclosed within on screw rod 6.

As shown in Figure 1, be provided with two clamping plate 4a that are parallel to each other at described cantilever 4 away from the termination downside of angle panel 5, described clamping plate 4a is mutually vertical with cantilever 4, and described crossbeam 3 snaps between two clamping plates 4a, and is fixedly linked with cantilever 4 by running through wherein the 3rd nut 10 of a clamping plate 4a.For for convenience detach and fitting operation, the present embodiment preferably the 3rd nut 10 runs through the clamping plate 4a away from angle panel 5.

Operation principle of the present utility model is as follows:

Second nut 9 of outwarding winding, adjust to CT bed 1 Shang De appropriate location, long limit by pillar 2, screws the second nut 9; The 3rd nut 10 of outwarding winding, adjust to the appropriate location on crossbeam 3 by cantilever 4, screws the 3rd nut 10; First nut 8 of outwarding winding, push the given angle value of puncture inserting needle by pointer 7, then screws the first nut 8, pointer 7 is fixing, guarantee that by naked eyes puncture needle and pointer 7 are parallel to each other, can be indicated the angle of puncture inserting needle, guarantee that puncture needle punctures by given angle.

Claims

1. the angle guideline of a simple and easy CT guided puncture, the CT bed (1) that comprises strip, it is characterized in that: be vertically fixed with pillar (2) on the long limit of described CT bed (1), the upper end of described pillar (2) and crossbeam (3) are fixedly linked, described crossbeam (3) is vertical mutually with pillar (2) with the long limit of CT bed (1), this crossbeam (3) is fixedly linked with an end of cantilever (4), described cantilever (4) is mutually vertical with crossbeam (3) plane, place with pillar (2), the other end of cantilever (4) is fixed with angle panel (5) and screw rod (6), wherein angle panel (5) is mutually vertical with the long limit of CT bed (1), described screw rod (6) vertically runs through the upper center of angle panel (5), at the upper cover of this screw rod (6), pointer (7) is arranged, the upper end of described pointer (7) is fixed on angle panel (5) by the first nut (8) be enclosed within on screw rod (6).

2. the angle guideline of simple and easy CT guided puncture according to claim 1, it is characterized in that: be welded with train wheel bridge (2a) and lower plate (2b) in the lower end of described pillar (2), the edge of bed of described CT bed (1) snaps between train wheel bridge (2a) and lower plate (2b), be penetrated with the second nut (9) on described lower plate (2b) from bottom to top, the lower end of described pillar (2) is fixed on the long limit of CT bed (1) by clamping plate (2a, 2b) and the second nut (9).

3. the angle guideline of simple and easy CT guided puncture according to claim 1, it is characterized in that: at described cantilever (4), away from the termination of angle panel (5), be provided with two clamping plate that are parallel to each other (4a), described clamping plate (4a) are mutually vertical with cantilever (4), described crossbeam (3) snaps between two clamping plates (4a), and is fixedly linked with cantilever (4) by running through wherein the 3rd nut (10) of clamping plate (4a).

4. according to the angle guideline of claim 1 or 2 or 3 described simple and easy CT guided punctures, it is characterized in that: described pillar (2) is one with crossbeam (3).