KR100979166B1 - Apparatus for ultrasonographically guided biopsy - Google Patents

Abstract

The present invention accurately inserts a biopsy needle into a lesion area using a guide device during ultrasound guided biopsy and attaches a sterilized probe cover to the tip of the ultrasonic probe to prevent infection during the biopsy and to reduce errors in the biopsy results. The purpose is.

Ultrasonic guided biopsy device for achieving the above object is an ultrasonic transducer, a transducer receiving member for receiving the ultrasonic transducer and having a coupling groove on one side, is coupled to the coupling groove of the transducer receiving member is inserted into the lesion site A guide device for inducing a meter reading, and a probe cover coupled to the end of the probe receiving member so as not to directly contact the lesion site and the ultrasonic probe to prevent infection of the lesion site.

Ultrasound, transducer, biopsy, ultrasound induction, guide, biopsy needle

Description

Ultrasound guided biopsy device {APPARATUS FOR ULTRASONOGRAPHICALLY GUIDED BIOPSY}

The present invention relates to an ultrasound-guided biopsy apparatus, specifically, a probe receiving member and a guide device for accurately inserting a biopsy needle into a lesion during ultrasound-guided biopsy, and the lesion site by bacteria during the biopsy. An ultrasound guided biopsy apparatus provides a transducer cover for preventing infection.

If a tumor develops in the patient's body or if the tumor is suspected, a biopsy, a biopsy, may be necessary. At this time, in the case of a tumor that is visible or touched by hand, a biopsy needle can be inserted into the tumor site without using ultrasound, so that a biopsy can be easily performed.

However, in the case of tumors that are invisible to the naked eye and not touched by hand, a biopsy is performed using an ultrasound device.

Briefly, ultrasound-guided histology, the examiner extracts the tissue of the tumor or the lesion by inserting the biopsy needle accurately while looking at the tumor or the lesion on the ultrasound monitor screen.

1 is a perspective view illustrating a freehand technique, and as shown in FIG. 1, an inspector grabs an ultrasonic transducer in one hand and places the ultrasonic transducer on a lesion site, and the ultrasonic probe is displayed so that the lesion site appears on an ultrasound monitor screen. Move.

Then, when the lesion site appears on the ultrasound monitor screen, the examiner inserts the biopsy needle held by the other hand to the lesion site while looking at the ultrasound monitor screen.

The method of inserting the biopsy needle into the lesion by visually determining the insertion direction of the biopsy needle while the examiner looks at the lesion site appearing on the ultrasound monitor screen is called a free hand technique.

However, in the freehand technique, it is difficult to accurately insert the biopsy needle into the small lesion area of less than 1 cm unless an experienced inspector is used.

When the biopsy needle is correctly inserted into the lesion site, the biopsy needle and the lesion site are located in a straight line and are simultaneously visible on an ultrasound monitor screen so that biopsy can be easily performed.

However, as shown in FIG. 2A, which is a side view showing a case in which the biopsy needle is not correctly inserted into the lesion site, and FIG. 2B, which shows an ultrasound monitor screen, the biopsy needle is located in line with the lesion site. If not, it does not overlap with the ultrasound scanning surface of the lesion, so it is not visible on the ultrasound monitor screen.

That is, the biopsy needle accurately inserted into the lesion site as shown in FIG. 3A and FIG. 3B in front view is well positioned on the ultrasound monitor screen as shown in FIG. The biopsy needle, which is visible and accurate biopsy but is incorrectly inserted into the lesion site, is not visible on the ultrasound monitor screen because the biopsy needle is not aligned with the scan surface of the lesion site, and biopsy cannot be performed. do.

In general, the disinfected and sterilized vinyl cloth is covered at the end of the ultrasonic probe to prevent infection of the lesion during the ultrasound-guided biopsy.

However, this causes a troublesome process of covering the vinyl cloth, and there is a problem in that an error occurs during the ultrasonic inspection due to the gap between the ultrasonic probe and the vinyl cloth.

Accordingly, the present invention, in consideration of the above-described problems, the transducer receiving member and the guide device for accurately inserting the biopsy needle at the lesion site during ultrasound-guided histological examination and the lesion site and the ultrasonic probe at the end of the probe receiving member It is coupled to prevent direct contact to provide a transducer cover for preventing infection of the lesion site.

Ultrasonic guided biopsy apparatus according to the present invention is an ultrasonic probe; A probe accommodating member accommodating the ultrasonic probe and having a coupling groove at one side thereof; A guide device coupled to the coupling groove of the probe receiving member and guiding a biopsy needle inserted into a lesion part; And a probe cover coupled to the end of the probe receiving member so as not to directly contact the lesion site with the ultrasonic probe.

In addition, the guide device comprises a pair of slits forming an angled triangular shape with a coupling latch on one side to be coupled to the coupling groove; A slit gap adjuster for adjusting a gap between the pair of slits; And an angle adjuster for adjusting the insertion angle of the biopsy needle. In particular, the pair of slits are made of a transparent material so that one slit is made smaller than the other slit and the examiner can see the biopsy needle inserted into the gap between the pair of slits from the outside.

In addition, the guide device according to another embodiment of the present invention a plurality of connecting members; A plurality of joint members connecting the plurality of connection members; And a needle guide member for guiding the insertion of the biopsy needle, and in particular, a first connection member coupled to the coupling groove; A first joint member for coupling the first connection member and the coupling groove; A second connecting member coupled to an end of the first connecting member; A second joint member connecting the first connection member and the second connection member; A third connecting member coupled to the second connecting member and slid along the second connecting member; A needle guide member coupled to an end of the third connecting member to guide the insertion of the biopsy needle; And a third joint member connecting the end of the third connecting member to the needle guide member.

And the needle guide member has a hemispherical pipe or hollow cylindrical pipe shape in which the biopsy needle is inserted in the center.

The transducer cover included in various embodiments of the ultrasonic guided biopsy guide apparatus may be sterilized and sterilized in a high pressure steam sterilizer or an EO gas sterilizer to prevent infection of the lesion during biopsy. The beam is made of a material that can pass through, and the material of the transducer cover may be made of a fluorine resin or latex rubber material.

As described above, the present invention induces the direction of the biopsy needle to coincide with the ultrasound scanning surface during the biopsy using ultrasound, so that the biopsy needle is correctly inserted into the lesion site and thus the accuracy of the biopsy result is improved. .

The guide device restricts the left and right angles of the biopsy needle during biopsy so that the biopsy needle is always positioned on the ultrasound scan surface. As a result, the examiner can see the biopsy needle well during the biopsy and does not miss the eye. It works.

In addition, the upper and lower angles of the biopsy needle during the biopsy are not limited, and even if the upper and lower angles of the biopsy needle are changed, there is an effect that does not deviate from the ultrasound scan surface.

Accordingly, since the upper and lower angles can be adjusted while viewing the biopsy needle on the ultrasound monitor screen, the biopsy can be precisely performed.

In addition, the guide device can be freely separated, and thus, even when the biopsy needle is inserted during the biopsy, the guide device can be separated according to the needs of the examiner, thereby performing a biopsy more conveniently than the freehand technique. It can work.

The transducer cover is made of a material capable of disinfection in a disinfecting apparatus such as a high pressure steam sterilizer or an EO gas sterilizer, and the ultrasonic beam of the ultrasonic probe can be transmitted through smoothly. This has the effect of preventing infection of the lesion site that may occur during the biopsy and has the effect of simplifying the inspection process.

In addition, the use of the probe cover has an effect of improving the accuracy of the biopsy by improving the gap error by providing a constant gap between the ultrasonic probe and the probe receiving member.

The present invention relates to an ultrasound-guided histological examination apparatus, and in particular, a probe receiving member and a guide device to accurately insert a biopsy needle into a lesion during ultrasound-guided biopsy, and infection of the lesion site by bacteria during the biopsy. Providing a transducer cover to prevent.

BRIEF DESCRIPTION OF THE DRAWINGS The above objects, features and advantages will become more apparent through the following examples in conjunction with the accompanying drawings. Hereinafter, with reference to the accompanying drawings will be described in detail a specific embodiment of the present invention.

4A is a coupling diagram of the ultrasound guided biopsy apparatus according to the first embodiment of the present invention, and FIG. 4B is a perspective view of the ultrasound guided biopsy apparatus according to the first embodiment.

As shown in Figs. 4A and 4B, an ultrasonic transducer 100; A probe accommodating member 200 accommodating the ultrasonic probe 100 and having a coupling groove 210 at one side thereof; A guide device (300) coupled to the coupling groove (210) of the probe receiving member (200) to guide the biopsy needle (700) inserted into the lesion site (800); And a probe cover 600 coupled to the end of the probe accommodating member 200 so as not to directly contact the lesion part 800 and the ultrasonic probe 100. .

The guide device 300 according to the first embodiment of the present invention has a coupling latch on one side to be coupled to the coupling groove 210 and forms a right triangle shape and a pair of slits marked with an angle scale 350 ( 310a, 310b).

It also includes a slit gap adjuster 320 for adjusting the gap 340 between the slits to fit the diameter of the biopsy needle 700 is inserted into any one of the slit (310a, 310b) of the slit ( It includes an angle adjuster 330 for adjusting the insertion angle of the biopsy needle 700 while sliding along the upper surface of 310a or 310b.

The examiner places the ultrasonic probe 100 on the lesion site 800 with one hand and moves the lesion site 800 while moving. At this time, when the lesion area 800 appears on the ultrasound monitor screen, the examiner operates the guide device 300 with the other hand to insert the biopsy needle 700 into the lesion area 800 to perform a biopsy. do.

In general, the diameter of the biopsy needle 700 used for the biopsy depends on the taste of the examiner, and when using the fine needle aspiration test based on the outer diameter of the biopsy needle 700, a biopsy needle 700 of about 1 mm is used. In the case of total biopsy or mammoth tomography, a biopsy needle 700 of 1 mm to 5 mm thicker than this is used.

Since the biopsy needle 700 having the various outer diameters is used as above, the gap 340 between the slits should be able to adjust the gap from the maximum of 5 mm to the minimum of 0.5 mm.

That is, the examiner adjusts the gap 340 between the slits using the slit gap adjuster 320 whenever the biopsy needle 700 having a different diameter is inserted into the gap 340 between the slits.

 Thereafter, the examiner uses the biopsy needle using the angle adjuster 330 that slides along an upper surface of the one of the slits 310a and 310b of the pair of slits 310a and 310b on which the angle scale 350 is displayed. The insertion angle of the 700 is adjusted and the examiner inserts the biopsy needle 700 into the lesion part 800 at a desired angle to perform the inspection.

In this process, by using the angle adjuster 330 which slides on the pair of slits 310a and 310b in which the angle scale 350 is displayed, the inspector can recognize the insertion angle of the biopsy needle 700 in advance. When the biopsy needle 700 is inserted, the biopsy needle 700 can be inserted in a stable and unstable state by relying on the angle adjuster 330.

In addition, if the size of the pair of slits 310a and 310b is different, for example, one slit 310a is used as the front slit, the size thereof is 13 mm, and the other slit 310b is used as the rear slit. When the tester inserts the biopsy needle 700 into the gap 340 between the slits, the examiner does not need to bend and turn his head to see the gap 340 between the slits. Moving to the slits 310a and 310b has a convenient effect of simply inserting the biopsy needle 700.

Furthermore, when the front slit 310a or the rear slit 310b is made of a transparent material, when the examiner inserts and moves the biopsy needle 700 into the gap 340 between the slits, the biopsy needle 700 There is an effect that can clearly see the end of the eye.

In addition, the examiner lifts the guide device 300 composed of the slits 310a and 310b as needed, even when the biopsy needle 700 is inserted into the lesion site 800, and the probe receiving member 200 is lifted up. Can be removed from

The probe cover 600 included in all of the first to third embodiments or various embodiments of the present invention is coupled to the end of the probe receiving member 100 and by using the probe cover 600 There is an effect of improving the accuracy of the biopsy by improving the gap error that may occur when using a vinyl cloth between the ultrasonic probe 100 and the probe receiving member 200 and always provides a constant gap and also during the biopsy In order to prevent the infection of the lesion area 800, it is possible to omit the process of using the vinyl cloth to simplify the inspection process.

The probe cover 600 is made of a fluorine resin or latex rubber material. It is a material that does not deform during disinfection and sterilization in a high pressure steam sterilizer or an EO gas sterilizer and does not degrade image quality when ultrasonic waves are transmitted.

5 is a perspective view of the ultrasonic guided histological examination apparatus according to a second embodiment of the present invention.

The guide device 300 according to the second embodiment of the present invention comprises a plurality of connecting members (410, 420, 430); A plurality of joint members 440 and 450 connecting the plurality of connection members 410, 420 and 430; And a needle guide member 400 for guiding the insertion of the biopsy needle 700.

As shown in FIG. 5, the guide device 300 includes a first connection member 410 coupled to the coupling groove 210 of the probe accommodation member 200; A first joint member 440 for coupling the first connection member and the coupling groove; A second connecting member 420 coupled to an end of the first connecting member 410; A second joint member 450 connecting the first connection member 410 and the second connection member 420; A third connecting member 430 coupled to the second connecting member 420 to slide along the second connecting member 420; A needle guide member 400 coupled to an end of the third connection member 430 to guide the insertion of the biopsy needle 700; And a third joint member 460 connecting the end of the third connecting member 430 to the needle guide member 400.

The needle guide member 400 has a sliding function with the plurality of joint members 440 and 450 in the first connecting member 410, the second connecting member 420, and the third connecting member 430. The upper and lower angles are not limited so that the biopsy needle 700 may be inserted into the lesion area 800 at a free angle of 0 to 80 degrees. The biopsy needle 700 inserted through the needle guide member 400 is limited to the left and right angles even when inserted into any of the upper and lower angles and is always located on an ultrasound scan surface so that the biopsy needle 700 is well visible on an ultrasound monitor screen. By inserting little by little while adjusting the vertical angle of the) can be reached accurately to the lesion area 800, the examiner's hand is free and convenient as much as the free hand technique. In addition, for example, in the case of a tumor of a breast occurring in a region adjacent to the chest wall, when the angle of the biopsy needle 700 is large, the biopsy needle 700 may damage the lungs through the chest wall, so that the biopsy needle 700 is The biopsy needle 700 needs to be inserted at a gentle angle with respect to the chest wall, and thus the biopsy needle 700 is inserted into the skin about 3-6 cm away from the ultrasonic probe 100. In the second embodiment of the present invention, The biopsy needle 700 may be inserted at various points of the skin 810 at a distance of 3-6 cm from the ultrasonic probe 100 by the joint members 440 and 450 and the slide function.

6A is a front view or a rear view of an ultrasound guided biopsy apparatus according to a third embodiment of the present invention, FIG. 6B is a side view, and FIG. 6C shows an ultrasound monitor screen during the biopsy.

As shown in FIG. 6, the guide apparatus 300 includes a plurality of needle guide holes 510 for guiding the insertion of the biopsy needle 700 and a plurality of needles corresponding to the plurality of needle guide holes 510. And a needle guide member 500 having a guide protrusion member 520. In addition, the needle guide member 500 is coupled to the front or rear of the probe receiving member 200.

Each of the needle guide holes 510 is configured to have different angles, so that when the biopsy needle 700 is inserted to a predetermined depth according to each angle, the tip portion of the biopsy needle 700 is placed on the ultrasonic scanning surface. Will be located.

As illustrated in FIG. 6C, the needle guide protrusion 520 is visible on the ultrasound monitor screen by pressing the skin 810 of the lesion area 800 so that the biopsy needle 700 may be inserted ( 810 serves to determine the location. That is, since the needle guide hole 510 corresponds one-to-one with the needle guide protrusion member 520, the examiner measures the distance between the lesion area 800 and the needle guide protrusion 520 that appear on the ultrasound monitor screen. After selecting the needle guide hole 510 corresponding to the distance, the biopsy needle 700 may be inserted.

The examiner places the ultrasound probe 100 on the lesion site 800 with one hand and moves the lesion site 800 while moving. In this case, when the lesion part 800 appears on the ultrasound monitor screen, the examiner inserts the biopsy needle 700 into the needle guide hole 510. In this case, since the biopsy needle 700 is not positioned on the ultrasound scanning surface, the lesion part 800 is visible on the ultrasound monitor screen, but the biopsy needle 700 is not visible, and only the tip portion of the biopsy needle 700 is the ultrasound scanning surface. When reached, only the tip of the biopsy needle 700 is visible on the ultrasound monitor screen.

Therefore, the examiner measures the distance from the ultrasonic probe 100 to the lesion site 800 by ultrasonic waves and corresponds to the distance from the needle guide hole 510 to the lesion site 800 corresponding to the distance. The biopsy needle 700 may be inserted to collect tissue of the lesion site 800. The needle guide hole 510 should be marked with the depth of the biopsy needle 700 to be inserted up to the lesion site 800, respectively.

The third embodiment of the present invention may be useful when the biopsy needle 700 needs to be inserted in a direction substantially perpendicular to the skin because there is a dangerous structure on the ultrasound scanning surface during histology.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

1 is a perspective view showing a freehand technique.

Figure 2a is a side view showing a case where the biopsy needle is not visible on the ultrasound monitor screen and Figure 2b is an ultrasound monitor screen during the biopsy.

Figure 3a is a front view showing the lesion site and the biopsy needle is visible on the ultrasound monitor screen, Figure 3b is a side view and Figure 3c is an ultrasound monitor screen during histology.

Figure 4a is a coupling diagram of the ultrasound guided biopsy apparatus according to the first embodiment of the present invention and Figure 4b is a perspective view of the ultrasound guided biopsy apparatus according to the first embodiment.

Figure 5 is a perspective view of the ultrasonic guided histology apparatus according to a second embodiment of the present invention.

Figure 6a is a front view of the ultrasonic guided biopsy apparatus according to a third embodiment of the present invention, Figure 6b is a side view and Figure 6c is an ultrasound monitor screen during histology.

<Description of the symbols for the main parts of the drawings>

100: ultrasonic transducer 110: scanning surface

200: probe receiving member 210: coupling groove

300: guide device 300a, 300b: slit

320: slit gap adjuster 330: angle adjuster

340: slit gap 350: angle scale

400 and 500: needle guide member 410: first connecting member

420: second connecting member 430: third connecting member

440: first joint member 450: second joint member

460: third joint member 510: needle guide hole

520: projecting member 600: transducer cover

700: biopsy needle 800: lesion area

810: skin

Claims (8)

delete Ultrasonic transducers; A transducer accommodating member accommodating the ultrasonic transducer and having a coupling groove at one side thereof; A guide device coupled to the coupling groove of the probe receiving member to guide the biopsy needle inserted into the lesion site; And The transducer cover is coupled to the end of the transducer receiving member so as not to directly contact the lesion site and the ultrasonic probe to prevent infection of the lesion site. Including, The guide device In order to be coupled to the coupling groove provided with a coupling latch on one side, forming a right triangle shape and a pair of slits marked angle scale, A slit gap adjuster for adjusting a gap between the pair of slits, and An angle adjuster for adjusting the insertion angle of the biopsy needle Ultrasound guided biopsy device. The method of claim 2, The pair of slits are made of a transparent material so that one slit is made smaller than the other slit and the examiner can see the biopsy needle inserted into the gap between the pair of slits from the outside. Ultrasound guided biopsy device. Ultrasonic transducers; A transducer accommodating member accommodating the ultrasonic transducer and having a coupling groove at one side thereof; A guide device coupled to the coupling groove of the probe receiving member to guide the biopsy needle inserted into the lesion site; And The transducer cover is coupled to the end of the transducer receiving member so as not to directly contact the lesion site and the ultrasonic probe to prevent infection of the lesion site. Including, The guide device A plurality of connecting members, A plurality of joint members connecting the plurality of connecting members, and It includes a needle guide member for guiding the insertion of the biopsy needle Ultrasound guided biopsy device. The method of claim 4, wherein The plurality of connection members may include a first connection member coupled to the coupling groove, a second connection member coupled to an end of the first connection member, and a second sliding member coupled to the second connection member and sliding along the second connection member. Three connecting members; The plurality of joint members may include a first joint member for connecting the coupling groove of the first connection member and the ultrasonic probe receiving member, and a second joint member for connecting the first connection member and the second connection member; And a third joint member connecting the end of the third connecting member to the needle guide member; The needle guide member is coupled to the end of the third connecting member to guide the insertion of the biopsy needle Ultrasound guided biopsy device. The method of claim 5, The needle guide member It is formed as a hemispherical pipe or hollow cylindrical pipe in which the biopsy needle is inserted in the center Ultrasound guided biopsy device. The method according to claim 2 or 4, The transducer cover is The biopsy can be disinfected and sterilized in a high pressure steam sterilizer or an EO gas sterilizer to prevent infection of the lesion and is made of a material for passing ultrasonic waves of the ultrasonic probe. Ultrasound guided biopsy device. The method of claim 7, wherein The transducer cover is Made of fluorocarbon or latex rubber Ultrasound guided biopsy device.

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