CN212699073U

CN212699073U - Three-dimensional angle guide frame based on CT puncture is used

Info

Publication number: CN212699073U
Application number: CN202020845804.2U
Authority: CN
Inventors: 王园园; 姚敬帮; 王鹏; 张静; 赵明慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-03-16
Anticipated expiration: 2030-05-20

Abstract

The utility model provides a three-dimensional angle guide frame for CT puncture, which comprises a main base; a second positioning pressing block is movably embedded into the inner side of the connecting block and the top of the second positioning gear. The setting of location briquetting and positioning gear, be favorable to improving the fastness of location, during angle of adjustment, earlier upwards pull up the location briquetting, at this moment the arch of location briquetting bottom can break away from with the tooth's socket at positioning gear top, then can hold the connecting axle with the hand and rotate the inclination of adjustment along the X axle, it directly drives pjncture needle support rotation adjustment Y axle inclination to hold the backup pad, directly loosen the location briquetting after adjusting, at this moment the spring at top just can promote the location briquetting rebound again with positioning gear top in close contact with, thereby it stops rotatoryly to lock the positioning gear, the positioning mechanism of this device adopts the tight structure in fixture block top, can not cause the rotation during location, moreover, the operation is more convenient, also more firm after the location, difficult production skew problem.

Description

Three-dimensional angle guide frame based on CT puncture is used

Technical Field

The utility model belongs to the technical field of medical instrument, more specifically say, in particular to three-dimensional angle guide frame based on CT puncture usefulness.

Background

The puncture frame is also called an ultrasonic probe puncture frame, or a puncture guide frame, or a puncture guider. By installing the puncture frame on the ultrasonic probe, the puncture needle can be guided to a target position of a human body under ultrasonic guidance so as to realize cytological biopsy, histological biopsy, cyst suction, treatment and the like. The main function of the device is to complete various operations such as biopsy, liquid extraction, puncture, radiography, blood vessel drainage, drug injection and blood transfusion, cancer focus drug injection and the like under the monitoring or guidance of real-time ultrasound, so that certain surgical operations can be avoided, and the same effect as the surgical operations can be achieved.

For example, the patent with the application number of 201620947051.X discloses a CT puncture three-dimensional angle guide frame, which comprises a puncture needle support, wherein the puncture needle support is connected with a shaft through a vertical angle locking, a vertical angle reading area is arranged on the shaft, the shaft is connected with a holder, and the holder is fixed on a grounding support. The utility model discloses on the basis of traditional CT puncture guide frame, increased the function of vertical regulation, through adjusting horizontal and fore-and-aft angle respectively, guide the angle of marcing of pjncture needle better. The application of the patent has positive significance to tumor intervention technology and also has higher economic value.

Based on the above search, the above patent also combines with many CT puncture guide holders in the prior art, and has the following problems in use: although the existing guide frame for CT puncture can be adjusted in multiple ways, the fixed adjusting position of the guide frame is positioned through a screw tightening structure, the guide frame is likely to slightly rotate due to a rotating bolt during positioning, the angle of the guide frame is affected, the guide frame is inconvenient to fasten, the firmness during use is poor, and the guide frame is easy to deviate.

In view of the above, the present invention provides a three-dimensional angle guide frame for CT based puncture, which is improved based on the existing structure and defects, and is expected to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a three-dimensional angle guide frame based on CT puncture is used to solve present CT puncture and can carry out multinomial regulation with the guide frame, but its position of adjusting fixedly all fixes a position through spiral shell screw-tightening formula structure, because the rotatory bolt probably causes slight rotation during the location, influence guide frame angle, and also inconvenient during the fastening, the fastness during use is also relatively poor, produce the problem of skew easily.

The utility model discloses three-dimensional angle guide frame's purpose and efficiency based on CT puncture is reached by following specific technological means:

a three-dimensional angle guide frame for CT puncture comprises a main base; a rotatable first positioning gear is fixedly embedded in the inner side of the main base; one end of the first positioning gear is fixedly connected with a connecting shaft, and the connecting shaft penetrates through the shell of the main base and extends outwards; a first positioning pressing block is movably embedded and mounted on the inner side of the main base and the top of the first positioning gear; the other end of the connecting shaft is fixedly connected with one side of the connecting block; a second positioning gear is fixedly embedded in the inner side of the connecting block; one end of the second positioning gear is also fixedly connected with a rotating shaft, and the rotating shaft penetrates through the outer wall of the connecting block to extend outwards and is fixedly connected with the support supporting plate; a puncture needle bracket is fixedly arranged at the top of the bracket supporting plate; a second positioning pressing block is movably embedded into the inner side of the connecting block and the top of the second positioning gear.

Furthermore, a first positioning gear and a second positioning gear are both rotatable structures, the first positioning gear can drive the connecting shaft and the connecting block to rotate along the X axis when rotating, and the second positioning gear can drive the puncture needle support to rotate along the Y axis when rotating.

Furthermore, the bottom of a location briquetting and No. two location briquetting all is provided with the arch that corresponds with a location gear and No. two location gear tooth's socket, and a location briquetting and No. two location briquetting can slide from top to bottom in the inboard track groove in main base and connecting block top respectively, and the top of a location briquetting and No. two location briquetting still all installs two springs and promotes its downstream.

Furthermore, the outer sides of the first positioning gear and the second positioning gear are annularly arranged and provided with sixty groups of tooth grooves, and the first positioning pressing block and the second positioning pressing block can position the first positioning gear and the second positioning gear through the sixty groups of tooth grooves.

Furthermore, a plurality of strip-shaped bulges are fixedly arranged on the outer side of the connecting shaft in an annular arrangement mode, and the length of the part, exposed outside, of the connecting shaft is 25 cm.

Compared with the prior art, the utility model discloses following beneficial effect has:

the setting of location briquetting and positioning gear, be favorable to improving the fastness of location, during angle of adjustment, earlier upwards pull up the location briquetting, at this moment the arch of location briquetting bottom can break away from with the tooth's socket at positioning gear top, then can hold the connecting axle with the hand and rotate the inclination of adjustment along the X axle, it directly drives pjncture needle support rotation adjustment Y axle inclination to hold the backup pad, directly loosen the location briquetting after adjusting, at this moment the spring at top just can promote the location briquetting rebound again with positioning gear top in close contact with, thereby it stops rotatoryly to lock the positioning gear, the positioning mechanism of this device adopts the tight structure in fixture block top, can not cause the rotation during location, moreover, the operation is more convenient, also more firm after the location, difficult production skew problem.

Drawings

Fig. 1 is a schematic diagram of the left-side structure of the present invention.

Fig. 2 is the left side schematic structure diagram after the utility model discloses part dissects.

Fig. 3 is the right side structure schematic diagram after the utility model discloses part dissects.

Fig. 4 is a schematic diagram of a partial enlarged structure at a point a in fig. 3 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main base; 2. a first positioning pressing block; 3. a connecting shaft; 4. connecting blocks; 5. a second positioning pressing block; 6. a support plate; 7. a puncture needle holder; 8. a first positioning gear; 9. no. two positioning gear.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a three-dimensional angle guide frame for CT puncture, which comprises a main base 1; a rotatable first positioning gear 8 is fixedly embedded in the inner side of the main base 1; the outer sides of the first positioning gear 8 and the second positioning gear 9 are annularly arranged and provided with sixty groups of tooth grooves, the first positioning pressing block 2 and the second positioning pressing block 5 can position the first positioning gear 8 and the second positioning gear 9 through the sixty groups of tooth grooves, and more tooth grooves can meet the use requirements of more-angle puncture; the first positioning gear 8 and the second positioning gear 9 are both rotatable structures, the first positioning gear 8 can drive the connecting shaft 3 and the connecting block 4 to rotate along the X axis when rotating, the second positioning gear 9 can drive the puncture needle support 7 to rotate along the Y axis when rotating, the connecting shaft 3 is held to rotate to adjust the inclination angle of the puncture needle support 7 along the X axis, and the support supporting plate 6 is held to rotate to directly drive the puncture needle support 7 to rotate to adjust the inclination angle of the Y axis; one end of the first positioning gear 8 is fixedly connected with a connecting shaft 3, and the connecting shaft 3 penetrates through the shell of the main base 1 and extends outwards; a first positioning pressing block 2 is movably embedded and mounted on the inner side of the main base 1 and the top of the first positioning gear 8; the other end of the connecting shaft 3 is fixedly connected with one side of the connecting block 4; a second positioning gear 9 is fixedly embedded in the inner side of the connecting block 4; one end of the second positioning gear 9 is also fixedly connected with a rotating shaft, and the rotating shaft penetrates through the outer wall of the connecting block 4 to extend outwards and is fixedly connected with the support supporting plate 6; a puncture needle bracket 7 is fixedly arranged at the top of the bracket supporting plate 6; a second positioning pressing block 5 is movably embedded in the inner side of the connecting block 4 and the top of the second positioning gear 9.

Wherein, the bottoms of the first positioning pressing block 2 and the second positioning pressing block 5 are respectively provided with a bulge corresponding to the tooth space of the first positioning gear 8 and the second positioning gear 9, the first positioning pressing block 2 and the second positioning pressing block 5 can respectively slide up and down in the track grooves at the inner sides of the tops of the main base 1 and the connecting block 4, the tops of the first positioning pressing block 2 and the second positioning pressing block 5 are also respectively provided with two springs to push the first positioning pressing block and the second positioning pressing block to move downwards, when the angle is adjusted, the positioning pressing blocks are firstly pulled upwards, the bulge at the bottom of the positioning pressing blocks can be separated from the tooth space at the top of the positioning gear, then the connecting shaft 3 can be held by hands to rotate and adjust the inclination angle along the X axis, the support supporting plate 6 is held to directly drive the puncture needle support 7 to rotate and adjust the inclination angle of the Y axis, the positioning pressing blocks are directly loosened after the adjustment is finished, thereby to fix a position gear locking stop rotation, this device's positioning mechanism adopts the tight structure in fixture block top, can not cause the rotation during the location, and it is more convenient to operate moreover, and is also more firm after the location, is difficult for producing the skew problem.

Wherein, the outside of connecting axle 3 is fixed and is provided with a plurality of bar-shaped archs that are arranged annularly, and the partial length that connecting axle 3 exposes outside is 25cm, because need hold connecting axle 3 with the hand and slowly rotate the inclination of adjustment connecting block 4 and pjncture needle support 7 along the X axle when adjusting horizontal angle, the arch in the connecting axle 3 outside can improve frictional force, holds more easily and rotates, and length also puts down adult's palm more easily moreover.

The specific use mode and function of the embodiment are as follows:

in the utility model, when the device is used for guiding, when the transverse angle is adjusted, the first positioning pressing block 2 is firstly pulled upwards, the bulge at the bottom of the first positioning pressing block 2 can be separated from the tooth space at the top of the first positioning gear 8, then the connecting shaft 3 can be held by hand to slowly rotate and adjust the inclination angle of the connecting block 4 and the puncture needle bracket 7 along the X axis, the first positioning pressing block 2 is directly loosened after adjustment, at the moment, the spring at the top of the first positioning pressing block 2 can push the first positioning pressing block 2 to move downwards and to be in close contact with the top of the first positioning gear 8 again, so that the first positioning gear 8 is locked and stopped rotating, when the longitudinal angle is adjusted, the second positioning pressing block 5 is firstly pulled upwards, at the moment, the bulge at the bottom of the second positioning pressing block 5 can be separated from the tooth space at the top of the second positioning gear 9, then the support supporting plate 6 can be held by hand to directly drive the puncture needle, after adjusting, No. two positioning pressing blocks 5 are loosened, and similarly, No. two positioning gears 9 also stop rotating, so that the transverse angle and the longitudinal angle of the puncture needle support 7 are adjusted.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a three-dimensional angle guide frame based on CT puncture usefulness which characterized in that: comprises a main base (1); a rotatable first positioning gear (8) is fixedly embedded into the inner side of the main base (1); one end of the first positioning gear (8) is fixedly connected with a connecting shaft (3), and the connecting shaft (3) penetrates through the shell of the main base (1) and extends outwards; a first positioning pressing block (2) is movably embedded into the inner side of the main base (1) and the top of the first positioning gear (8); the other end of the connecting shaft (3) is fixedly connected with one side of the connecting block (4); a second positioning gear (9) is fixedly embedded into the inner side of the connecting block (4); one end of the second positioning gear (9) is also fixedly connected with a rotating shaft, and the rotating shaft penetrates through the outer wall of the connecting block (4) to extend outwards and is fixedly connected with the support supporting plate (6); a puncture needle bracket (7) is fixedly arranged at the top of the bracket supporting plate (6); the inner side of the connecting block (4) and the top of the second positioning gear (9) are also movably embedded with a second positioning pressing block (5).

2. The three-dimensional angular guide for CT-based puncture of claim 1, wherein: the first positioning gear (8) and the second positioning gear (9) are both rotatable structures, the first positioning gear (8) can drive the connecting shaft (3) and the connecting block (4) to rotate along the X axis when rotating, and the second positioning gear (9) can drive the puncture needle support (7) to rotate along the Y axis when rotating.

3. The three-dimensional angular guide for CT-based puncture of claim 1, wherein: the bottom of a location briquetting (2) and No. two location briquetting (5) all is provided with the arch that corresponds with a positioning gear (8) and No. two positioning gear (9) tooth's socket, and a location briquetting (2) and No. two location briquetting (5) can slide from top to bottom in main base (1) and connecting block (4) top inboard track groove respectively, and the top of a location briquetting (2) and No. two location briquetting (5) still all installs two springs and promotes its downstream.

4. The three-dimensional angular guide for CT-based puncture of claim 1, wherein: no. one location gear (8) and No. two location gear (9) outside all are the annular arrangement and are provided with totally sixty group's tooth's socket, and No. one location briquetting (2) and No. two location briquetting (5) accessible these sixty group's tooth's socket are fixed a position No. one location gear (8) and No. two location gear (9).

5. The three-dimensional angular guide for CT-based puncture of claim 1, wherein: the outer side of the connecting shaft (3) is fixedly provided with a plurality of strip-shaped bulges in an annular arrangement mode, and the length of the part, exposed outside, of the connecting shaft (3) is 25 cm.