CN112773473A

CN112773473A - Ultrasonic probe puncture guiding device

Info

Publication number: CN112773473A
Application number: CN202110070422.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Guangzhou Sunuokang Medical Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-05-11
Anticipated expiration: 2041-01-19
Also published as: CN112773473B

Abstract

The invention discloses an ultrasonic probe puncture guiding device, and belongs to the field of ultrasonic medical auxiliary equipment. The device includes demountable installation support base on ultrasonic probe, slidable mounting at the rectangle support and the guide piece at support base top, the spout has been seted up to support both sides face symmetry, and support inside is equipped with sliding shaft, lower connecting piece, screw rod, mounting panel, and the sliding shaft both ends slide in the spout, and the sliding shaft middle part is equipped with the nut piece, and the nut piece both sides are rotated on the sliding shaft and are connected a pair of lower connecting piece, and the screw rod front end is rotated with the mounting panel and is connected, and the screw on the nut piece is worn out in proper order to the screw tail end, is connected with the rotation knob behind the support trailing flank, guide piece front end downside has set firmly first pivot, and first pivot both ends are connected with the anterior rotation of support, and guide piece middle section downside is equipped with the. The angle of the guide piece is finely adjusted by the threaded fit of the screw rod and the nut block in the bracket.

Description

Ultrasonic probe puncture guiding device

Technical Field

The invention belongs to the field of ultrasonic medical auxiliary equipment, and particularly relates to an ultrasonic probe puncture guiding device.

Background

The ultrasonic probe puncture frame is also called 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 puncture frame can be divided into a repeatedly-used puncture frame and a disposable puncture frame according to the using mode, and the disposable puncture frame is mainly used for procreation ovum taking and prostate puncture.

A puncture frame is arranged on the common probe, when a puncture needle is inserted into the puncture frame, a certain blind area exists, and the needle body in the blind area has no reflection on a display; in addition, when the puncture frame is installed, if the puncture frame is inclined, the puncture frame is required to be deviated from a plane of a scanning plane, and the reflection of the needle body cannot be displayed on the screen; therefore, the installation requires careful attention, the installation position of the puncture frame is repeatedly adjusted until the needle point is clear and is pushed along the guide line every time, the adjustment process consumes time and experiences experience; even after the adjustment, the problem that the doctor is difficult to align the puncture target still exists, the puncture position is often inaccurate, and the patient is uncomfortable.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide an ultrasound probe puncture guiding device capable of precisely adjusting the angle of a puncture needle, aiming at the defects of the prior art.

In order to achieve the purpose, the technical scheme adopted by the invention is that the ultrasonic probe puncture guiding device comprises a support 4 base which is detachably arranged on an ultrasonic probe 1, a rectangular support 4 which is slidably arranged on the top of the support 4 base and a guiding piece 3, sliding grooves 13 are symmetrically formed in two side surfaces of the support 4, a sliding shaft 12, a lower connecting sheet 10, a screw rod 16 and an installation plate 18 are arranged in the support 4, two end parts of the sliding shaft 12 slide in the sliding grooves 13, a nut block 21 is arranged in the middle of the sliding shaft 12, a pair of lower connecting sheets 10 are rotatably connected to two sides of the nut block 21 on the sliding shaft 12, the front end of the screw rod 16 is rotatably connected with the installation plate 18, the tail end of the screw rod 16 sequentially penetrates through a screw hole in the nut block 21, a rotating knob 17 is connected to the rear side surface of the support 4, a first rotating shaft 8 is fixedly arranged on the, an upper connecting piece 11 is arranged on the lower side of the middle section of the guide piece 3, the upper connecting piece 11 is hinged to the upper end of a lower connecting piece 10 through a rotating shaft, a first protruding limiting block 9 is further arranged at the front end of the base of the support 4, second limiting blocks 14 are symmetrically arranged on the left side and the right side of the support 4, the second limiting blocks 14 are fixedly compressed through a locking bolt 15 on the base of the support 4, a circular dial 23 is arranged on the rear side face of the support 4, the circle center of the circular dial 23 is located on the axis of a screw 16, and a radial scribed line matched with the circular dial 23 is arranged.

Further, as an improvement of the above technical solution of the present invention, a sector dial 6 is further disposed on the left side and/or the right side of the front portion of the bracket 4, the center of the sector dial 6 is located on the axis of the first rotating shaft 8, and a rotating pointer 7 matched with the sector dial 6 is disposed at the end of the first rotating shaft 8.

Further, as an improvement of the above technical solution of the present invention, the sliding shaft 12 is symmetrically provided with a limiting piece 19, the limiting piece 19 is located in the bracket 4, a first groove 20 is formed between the limiting piece 19 and the nut block 21, and the first groove 20 is used for rotatably connecting the lower end of the lower connecting piece 10.

Further, as a modification of the above technical solution of the present invention, the height of the mounting plate 18 is not higher than the installation height of the first rotating shaft 8.

Further, as an improvement of the above technical solution of the present invention, the lower portions of the left and right sides of the bracket 4 are symmetrically provided with T-shaped second grooves 22, and the base of the bracket 4 is provided with T-shaped protruding strips corresponding to the second grooves 22 in a matching manner.

Further, as an improvement of the above technical scheme of the present invention, a sliding limiting strip is sleeved at an end of the sliding shaft, and the other end of the sliding limiting strip passes through the second limiting block along the top surface of the bracket base.

Compared with the prior art, the invention has the beneficial technical effects that: the precise fine adjustment of the angle of the guide part is realized by the threaded matching of the screw rod and the nut block in the bracket and the combination of the reference fan-shaped dial and/or the circular dial; simple structure, good stability and strong operability.

Drawings

FIG. 1 is a left side view of an ultrasound probe penetration guide of the present invention;

FIG. 2 is a schematic view of the internal structure of the stent of FIG. 1;

FIG. 3 is a schematic view of the fan-shaped dial of FIG. 1;

FIG. 4 is a schematic view of the sliding shaft of FIG. 1;

FIG. 5 is a rear view of the bracket of FIG. 1;

the labels in the figure are: 1-ultrasonic probe, 2-puncture needle, 3-guide piece, 4-bracket, 5-bracket base, 6-sector dial, 7-rotating pointer, 8-first rotating shaft, 9-first limiting block, 10-lower connecting piece, 11-upper connecting piece, 12-sliding shaft, 13-sliding chute, 14-second limiting block, 15-locking bolt, 16-screw rod, 17-rotating knob, 18-mounting plate, 19-limiting piece, 20-first groove, 21-nut block, 22-second groove, 23-circular dial and 24-sliding limiting strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to fig. 1-5, the ultrasound probe puncture guiding device provided in this embodiment includes a base of a support 4 detachably mounted on an ultrasound probe 1, a rectangular support 4 slidably mounted on the top of the base of the support 4, and a guiding member 3, wherein sliding grooves 13 are symmetrically formed on two sides of the support 4, a sliding shaft 12, a lower connecting piece 10, a screw 16, and a mounting plate 18 are disposed inside the support 4, two ends of the sliding shaft 12 slide in the sliding grooves 13, a nut block 21 is disposed in the middle of the sliding shaft 12, a pair of lower connecting pieces 10 are rotatably connected to two sides of the nut block 21 on the sliding shaft 12, a front end of the screw 16 is rotatably connected to the mounting plate 18, a tail end of the screw 16 sequentially penetrates through a screw hole on the nut block 21, a rotating knob 17 is connected to a rear side of the support 4, a first rotating shaft 8 is fixedly disposed on a lower side of a front end, an upper connecting sheet 11 is arranged on the lower side of the middle section of the guide piece 3, the upper connecting sheet 11 is hinged with the upper end of a lower connecting sheet 10 through a rotating shaft, a first protruding limiting block 9 is further arranged at the front end of the base of the support 4, second limiting blocks 14 are symmetrically arranged on the left side and the right side of the support 4, the second limiting blocks 14 are fixedly pressed on the base of the support 4 through locking bolts 15, a circular dial 23 is arranged on the rear side face of the support 4, the circle center of the circular dial 23 is located on the axis of the screw 16, and a radial scribed line matched with the circular dial 23 is arranged on; a sector dial 6 is further arranged on the left side and/or the right side of the front portion of the support 4, the circle center of the sector dial 6 is located on the axis of a first rotating shaft 8, and a rotating pointer 7 matched with the sector dial 6 is arranged at the end portion of the first rotating shaft 8; the sliding shaft 12 is symmetrically provided with limiting pieces 19, the limiting pieces 19 are positioned in the bracket 4, a first groove 20 is formed between the limiting pieces 19 and the nut block 21, and the first groove 20 is used for being rotatably connected with the lower end of the lower connecting piece 10; the height of the mounting plate 18 is not higher than the setting height of the first rotating shaft 8; t-shaped second grooves 22 are symmetrically formed in the lower portions of the left side and the right side of the support 4, and T-shaped convex strips are arranged on the base of the support 4 corresponding to the second grooves 22 in a matched mode.

The upper connecting piece 11 is located on the symmetrical center plane of the pair of lower connecting pieces 10. Each part in the device is made of stainless steel materials and can be repeatedly used.

When the ultrasonic probe is used, the base of the bracket 4 is clamped on the ultrasonic probe 1, the bracket 4 is slidably mounted on the base of the bracket 4 through the matching of the second groove 22 and the corresponding convex strip on the base of the bracket 4, and the locking bolt 15 is screwed down to fix the position of the bracket 4; the puncture needle 2 is taken through the guide channel of the guide 3 and the turning knob 17 is adjusted with reference to the sector scale 6 and/or the circular scale 23 to change the angle of the puncture needle 2.

The angular adjustment accuracy of the guide member 3 can be changed by using the screw 16 and the nut block 21 having different pitches and different diameters.

Example 2

On the basis of embodiment 1, the end of the sliding shaft 12 is sleeved with a sliding limiting strip 24, and the other end of the sliding limiting strip 24 passes through the second limiting block 14 along the top surface of the base of the bracket 4. The adjusting and rotating knob 17 adjusts the angle of the guide piece 3 and then tightens the locking bolt 15, so that the sliding limiting strip 24 limits the sliding shaft 12 and the angle positioning stability of the guide piece 3 is enhanced.

The above description is meant as an illustration of the preferred embodiment of the invention and not as a limitation thereof, and it will be appreciated by those skilled in the art that variations may be applied to the embodiment without departing from the spirit or scope of the invention.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an ultrasonic probe puncture guiding device, includes support (4) base, slidable mounting at support (4) base top rectangle support (4) and guide (3) of demountable installation on ultrasonic probe (1), its characterized in that: the device is characterized in that sliding grooves (13) are symmetrically formed in two side faces of the support (4), a sliding shaft (12), a lower connecting piece (10), a screw rod (16) and a mounting plate (18) are arranged in the support (4), two end parts of the sliding shaft (12) slide in the sliding grooves (13), a nut block (21) is arranged in the middle of the sliding shaft (12), two sides of the upper nut block (21) of the sliding shaft (12) are rotatably connected with a pair of lower connecting pieces (10), the front end of the screw rod (16) is rotatably connected with the mounting plate (18), the tail end of the screw rod (16) sequentially penetrates through screw holes in the nut block (21), a rotating knob (17) is connected behind the rear side face of the support (4), a first rotating shaft (8) is fixedly arranged on the lower side of the front end of the guide piece (3), two ends of the first rotating shaft (8) are rotatably connected with the front part of the support (4), an upper connecting piece (11, support (4) base front end still is equipped with bellied first stopper (9), and support (4) left and right sides symmetry is equipped with second stopper (14), and second stopper (14) compress tightly through a locking bolt (15) and fix on support (4) base, be equipped with circular calibrated scale (23) on support (4) trailing flank, the centre of a circle of circular calibrated scale (23) is on screw rod (16) axis, be equipped with the radial groove that matches with circular calibrated scale (23) on rotation knob (17).

2. The ultrasound probe penetration guide apparatus according to claim 1, wherein: the left side and/or the right side of the front portion of the support (4) are/is also provided with a sector dial (6), the circle center of the sector dial (6) is arranged on the axis of a first rotating shaft (8), and the end portion of the first rotating shaft (8) is provided with a rotating pointer (7) matched with the sector dial (6).

3. The ultrasound probe penetration guide apparatus according to claim 2, wherein: spacing piece (19) are symmetrically arranged on sliding shaft (12), spacing piece (19) are located in support (4), a first groove (20) is formed between spacing piece (19) and nut block (21), and first groove (20) is used for rotationally connecting the lower end of lower connecting piece (10).

4. The ultrasound probe penetration guide apparatus according to claim 3, wherein: the height of the mounting plate (18) is not higher than the setting height of the first rotating shaft (8).

5. The ultrasound probe penetration guide apparatus according to claim 4, wherein: the lower parts of the left side and the right side of the support (4) are symmetrically provided with T-shaped second grooves (22), and T-shaped convex strips are arranged on the base of the support (4) corresponding to the second grooves (22) in a matching manner.

6. The ultrasound probe penetration guide apparatus according to claim 5, wherein: the end part of the sliding shaft (12) is sleeved with a sliding limiting strip (24), and the other end of the sliding limiting strip (24) penetrates through the second limiting block (14) along the top surface of the base of the support (4).