KR20160118441A - Ultra-thin pen type auto biopsy device - Google Patents

Ultra-thin pen type auto biopsy device Download PDF

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Publication number
KR20160118441A
KR20160118441A KR1020150046234A KR20150046234A KR20160118441A KR 20160118441 A KR20160118441 A KR 20160118441A KR 1020150046234 A KR1020150046234 A KR 1020150046234A KR 20150046234 A KR20150046234 A KR 20150046234A KR 20160118441 A KR20160118441 A KR 20160118441A
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KR
South Korea
Prior art keywords
needle
engaging
main body
specimen
engaging body
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Application number
KR1020150046234A
Other languages
Korean (ko)
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KR101687099B1 (en
Inventor
이동석
류대식
Original Assignee
울산대학교 산학협력단
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Priority to KR1020150046234A priority Critical patent/KR101687099B1/en
Publication of KR20160118441A publication Critical patent/KR20160118441A/en
Application granted granted Critical
Publication of KR101687099B1 publication Critical patent/KR101687099B1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B2010/0208—Biopsy devices with actuators, e.g. with triggered spring mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3925—Markers, e.g. radio-opaque or breast lesions markers ultrasonic

Abstract

The present invention has a specimen needle having a designated length in the forward and backward directions and collecting biotissue through a shear end, the specimen needle having its back side resiliently biased by the spring, the specimen needle sliding along the hollow, A main body in which a guide hole for guiding the harvesting means is formed at a front end thereof in a hollow tube having a predetermined length in the forward and backward directions, And the first and second sealing needles and the sealing needles of the sampling means are coupled and fixed to each other while being moved along the longitudinal direction of the main body by the elastic repulsive force of the spring provided at the rear, A hooking body and a second hooking body, and a sample needle and a sealing needle of the sampling means slide while moving along the inner surface of the main body, And a sliding piece for sequentially releasing the first engaging body and the second engaging body in the main body so that the practitioner can grasp the apparatus with one hand and can operate the same and the reliance on the assistant is reduced, The present invention provides an ultra-thin pen-type biopsy specimen analyzer that can obtain a biopsy specimen because the accuracy of the biopsy specimen can be obtained and a slide-type specimen can be obtained, thereby increasing the reliability of the biopsy specimen.

Description

[0002] Ultra-thin pen type auto biopsy device [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a living body tissue analyzing apparatus, and more particularly, to a living body analyzing apparatus which comprises a body, a body needle, and a sealing needle, And the sealing needle is sequentially infiltrated into the living tissue to be collected along with the sample needle at a time difference from the sample needle to cut the living tissue contained in the sample needle, Like body tissue analyzing mechanism that seals a living body and seals a living tissue.

In general, tissue biopsy is a test to determine the pathology of the organs of the human body (kidney, lung, liver, kidney, spleen, pancreas, etc.) The most definitive method to confirm is to acquire organs of organs and perform microscopic biopsy.

The above-mentioned biopsy is performed by ultrasound guided fine needle biopsy under the guidance of ultrasound or radiation. The assistant operator grasps the ultrasound probe, or the operator holds the ultrasound probe with one hand and the other hand A syringe or a biopsy collecting instrument is used to perform the procedure.

Korean Patent Laid-Open No. 10-2010-0024571 discloses an aspiration Biopsy apparatus for biopsy or biopsy of a living body by pushing a piston in the cylinder forward or pulling it backward.

The global trend suggests that aspiration biopsy should not be performed at present, and it is recommended to obtain tissue samples through core biopsy because aspiration biopsy has low sample accuracy and low sample collection rate.

Korean Patent Laid-Open Publication No. 10-1998-0701687 is an invention in which a spring is formed inside to collect tissue by elasticity of a spring, and fatigue of a hand is accumulated when a large number of tests are performed, and stability is lowered.

In addition, the conventional collective type biomolecule sampling probe is large in size, and in the case of collecting the tissue for cytology, the hand holding the ultrasound probe is released and the extractor for biopsy is operated with both hands, Hold the ultrasound probe and operate the biopsy extractor with the other hand.

At this time, when the extractor for biopsy is operated with both hands, it is difficult to confirm whether the test is performed at the correct site, and the assistant operator is required.

On the other hand, there is a possibility that a medical accident may occur due to trembling when an extractor for biopsy is operated with one hand.

Therefore, the present invention has a structure that is simpler in structure than a conventional specimen device and is light in weight, so that it does not require a separate fixation device and has a small overall size and a small diameter of the main body, , The convenience of use is provided and the practitioner can grasp the instrument with one hand and operate it, thereby reducing the reliance on the assistant, increasing the accuracy of the specimen, obtaining a slide-type tissue, And an object of the present invention is to provide an ultrathin pen-type biopsy specimen testing apparatus which can increase the reliability of a biopsy test result.

In addition, as the structure is simplified, it becomes smaller and easier to use, so it can solve various problems caused by the inconvenience and sampling process of existing apparatuses, and it is possible to obtain the best result that core biopsy is possible And an object of the present invention is to provide an ultra-thin pen-type biopsy specimen analyzing apparatus.

The ultrasonic pen type biopsy specimen instrument according to the present invention has a specimen needle having a designated length in the forward and backward directions and collecting biotissue through the sheath and having a back side resiliently biased by a spring, And a guide hole for guiding the harvesting means is formed at a front end thereof in a hollow tube having a predetermined length in the forward and backward directions and a guide hole for guiding the harvesting means, A sample needle of the sampling means and a rear side of the sealing needle are respectively engaged and fixed in the main body and are moved along the longitudinal direction of the main body by the elastic repulsive force of the spring provided at the rear, A first engaging body and a second engaging body for providing a penetrating force to the sealing needle; Such that the needle and seal the needle entry with a time difference, comprises a sliding piece for sequentially releasing the elastic supporting state of the first engagement body and the second body engaging within the body.

At this time, the main body according to the present invention has a triangular section having a regular cross-sectional shape, and the outer surfaces forming the triangle may be curved outward.

The first engaging body and the second engaging body according to the present invention may be arranged in a straight line along the longitudinal direction of the main body.

Further, hook hooks are formed on the upper side surfaces of the first and second engaging bodies according to the present invention, respectively, so as to hold the engaging portions of the main body in a resilient manner.

In addition, the sliding piece according to the present invention is divided into an upper portion and a lower portion by partially removing the left and right sides in a tube, and the hooks of the first and second fastening bodies are pressed on the inner side of the upper portion And a pair of pressing portions for releasing the hooking portion is formed.

A scale is formed on the outer surface of the sealing needle according to the present invention at regular intervals.

The ultra-thin pen-type living body tissue analyzing apparatus according to the present invention has the following effects.

First, there is an effect that a structure is simpler and weight is lighter than a conventional specimen device, and a separate fixing device is not necessary.

Second, since the overall size and the diameter of the body are small, it is easy to aim the radiological apparatus and the tissue, and convenience of use is provided.

Third, since the practitioner can grasp the instrument with one hand and operate it, the reliance on the assistant decreases, the accuracy of the specimen increases, and the slide tissue can be obtained, so that the biopsy specimen can be obtained. Can be increased.

1 is an exemplary view showing an ultrathin pen type biopsy specimen examination apparatus according to the present invention.
2 is a side cross-sectional view showing the structure of an ultra-thin pen type living body tissue sample mechanism according to the present invention.
FIG. 3 is an exemplary view showing pulling of a handle in an operating state of an ultra-thin pen type living body tissue analyzing apparatus according to the present invention.
Fig. 4 is an exemplary view showing that a living body tissue analyzing mechanism is infiltrated into a human body during an operating state of the ultra-thin pen type living body tissue analyzing apparatus according to the present invention.
FIG. 5 is a diagram showing an example of a sample of a living tissue taken by the sampling means during the implementation of the ultra-thin pen-type living body tissue analyzing apparatus according to the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, at the time of the present application, It should be understood that variations can be made.

The main body 100 is adjusted so that the sample needle 210 and the sealing needle 220 are brought close to the body tissue to be sampled and then the sample body 210 is operated by a practitioner to collect the sample needle 210 The sealing needle 220 receives a sample of the living tissue in the receiving portion 211 formed at the front end of the sample needle 210 and the sample needle 210 is immersed in the sample needle 210 at a time difference, (210), and the receiving portion (211) of the specimen needle (210) is sealed while cutting the biotissue contained in the specimen needles (210) to collect the biotissue The present invention relates to a pen-type biopsy specimen analyzer, and will be described with reference to the drawings.

Referring to FIGS. 1 to 5, the main body 100 includes a guide hole 101 (see FIG. 1) for guiding the collecting means 200 at the front end thereof, And a guide slot 102 is formed on one side surface.

At this time, the main body 100 has a cylindrical shape, but has a regular cross-sectional shape as a triangle, and the outer side surfaces of the triangle may be formed into a tubular shape curved outward.

The sampling means 200 is preferably provided with a sample needle 210 and a sealing needle 220.

Further, the front side of the main body 100 on which the guide hole 101 is formed may be formed in a shape that gradually narrows toward the front end, and the front side and the rear side may be formed as separate objects separated from each other by the main body 100 have.

The main body 100 includes a first engaging body 110 and a second engaging body 120 which are respectively fixed to the first and second coil springs 131 and 132.

The first engaging body 110 and the second engaging body 120 are arranged in a straight line along the longitudinal direction of the main body 100 and are inserted into the sliding piece 140 provided in the main body 100, The front end of the first coil spring 131 and the front end of the second coil springs 131 and 132 are positioned at the rear of the first engaging body 110 and the rear of the second engaging body 120, And advances forward by the elastic repulsive force of the first and second coil springs 131 and 132.

At this time, hooking hooks 111 and 121 are formed on one side of the first hooking body 110 and the second hooking body 120, respectively. The hooking hooks 111 and 121 have their own elasticity, And is caught by the engaging portion formed in the main body 100 to maintain the state of being resiliently biased by the spring.

Accordingly, when the hooking hooks 111 and 121 of the first engaging body 110 and the second engaging body 120 are detached from the engaging portion, the first engaging body 110 and the second engaging body 120 are elastically deformed And advances forward by the elastic repulsive force of the first and second coil springs 131 and 132.

And the hooking hooks 111 and 121 are separated by the sliding piece 140. The sliding piece 140 is slid along the inner surface of the main body 100, Thereby releasing the tangs of the engaging body 120.

At this time, the sliding piece 140 is divided into an upper portion and a lower portion by partially removing the left and right sides of the tube, and is positioned at a predetermined position by a return spring at the front, The pair of pressing portions 141 formed push the hooking hooks 111 and 121 of the first and second hooking bodies 110 and 120 downward to hook the hooking hooks 111 and 121 Release.

An operation part 142 is formed on an outer surface of the sliding piece 140 so that the operation part 142 can be operated by the user's finger. The operation part 142 is connected to the outside through a guide slot 102 formed on one side of the main body 100 So that the operator manipulates the manipulation part 142 exposed to the outside through the guide slot 102 in one direction.

Therefore, if the manipulator pushes the manipulation part forward as necessary after the operator places the thumb on the manipulation part while holding the main body, the pushing part 141 of the sliding piece 140 pushes the first engaging body The hooking hooks 111 and 121 of the first and second hooking bodies 110 and 120 are pushed downward to release the engagement of the hooking hooks 111 and 121, The engaging body 120 advances forward by the elastic repulsive force of the first and second coil springs 131 and 132.

At this time, the advance time difference between the first engaging body 110 and the second engaging body 120 is adjusted according to the distance between the pair of pressing portions 141. For example, The first engaging body 110 advances with a time interval after advancing the second engaging body 120 as the pressing portion 141 located on the first engaging body is closer to the pressing portion 141, do.

Accordingly, the first engaging body 110 and the second engaging body 120 can be sequentially released.

The sampling means 200 includes a sampling needle 210 and a sealing needle 220. The sampling needle 210 and the sealing needle 220 are connected to each other by a connecting member, The rear end of the first engaging body 110 and the second engaging body 120 are connected to the first engaging body 110 and the second engaging body 120 provided in the interior of the main body 100 through the front of the main body 100, The sample needle 210 and the sealing needle 220 are also operated.

At this time, a scale is formed on the outer surface of the sealing needle 220 at a predetermined interval to determine the depth of the sampling means 200 penetrated into the human body, and a sample to be connected to the second holding body 120 The rear end of the needle 210 extends to the rear of the main body so that a handle 150 is provided so that a practitioner can pull the handle 150. When the handle 150 is pulled, The second engaging body 120 is retracted rearward and the engaging hooks 111 and 121 of the first engaging body 110 and the second engaging body 120 are engaged with the engaging portion, 2 Allow the engaging body 120 to be resiliently biased against the spring.

In the present invention, the sample needle 210 and the sealing needle 220 are integrally connected to the first engaging body 110 and the second engaging body 120, but the present invention is not limited thereto, The needle 210 and the sealing needle 220 may be separated from the first engaging body 110 and the second engaging body 120 so that the collecting means 200 can be replaced with a cartridge.

An example of the use of the living body tissue sample device of the present invention according to the above-

As shown in FIG. 3, before the main body of the biopsy specimen instrument according to the present invention is infiltrated into the human body, the operator pulls the handle positioned at the back of the main body to pull the first engaging body 110 and the second engaging body The sample needle 210 and the sealing needle 220 integrally connected to the body 120 and the first and second engaging bodies 110 and 120 are retracted.

Each of the hooking hooks 111 and 121 formed at one side of the first engaging body 110 and the second engaging body 120 is engaged with the engaging portion formed in the main body 100, The second engaging body 120 is maintained in a state where the first and second coil springs 131 and 132 are elastically deformed.

4, the operator observes the screen displayed by the radiological apparatus while grasping the main body 100, and grasps the screen provided on the front of the main body 100 through the guide 300 attached to the human body, The means 200 penetrates into the human body, bringing the sampling means 200 close to the living tissue.

As shown in FIG. 5, if the operator manipulates the manipulation unit 142 by pushing the manipulation unit 142 to the front side after placing the thumb on the manipulation unit 142 while holding the main body 100, 140 of the first engaging body 110 and the second engaging body 120 push downward the engaging hooks 111, 121 of the first engaging body 110 and the second engaging body 120 to release the hooking hooks 111, At the same time, the first engaging body 110 and the second engaging body 120 advance forward by the resilient repulsive force of the first and second coil springs 131 and 132.

At this time, the pressing portion 141 located on the second engaging body 120 presses the engaging hook 121 of the second engaging body 120 to release the engaging hook 121, The pressing portion 141 located on the first engaging body 110 presses the engaging hook 111 of the first engaging body 110 to release the engaging hook 111 after the engaging.

Accordingly, as the second engaging body 120 advances by the elastic repulsive force, the sample needle 210 instantly penetrates into the living tissue to be sampled to receive the sample of the living tissue in the receiving portion 211, The sealing needle 220 sequentially penetrates into the living tissue to be collected along with the sample needle 210 with a time difference from the sample needle 210 so as to cut the living tissue contained in the sample needle 210, (See Fig.

Then, the practitioner operates the main body 100 to detach the sampling means 200 from the human body, thereby completing the sampling of the living tissue.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: main body 101: guide hole
102: guide slot 110: first engaging body
111, 121: hooking hook 120: second engaging body
131: first coil spring 132: second coil spring
140: sliding piece 141: pressing part
142: operating part 150: handle
200: sampling means 210: specimen needle
211: receiving part 220: sealing needle

Claims (6)

A specimen needle having a predetermined length in the forward and backward directions and collecting the biotissue through the shear end, the specimen needle having the back side leaned against the spring, the specimen needle sliding along the hollow inside, A harvesting means including a needle;
A main body having a hollow tube having a designated length in the forward and backward directions and a guide hole for guiding the sampling means at a front end thereof;
A sample needle of the sampling means and a rear side of the sealing needle are respectively engaged and fixed in the main body and are moved along the longitudinal direction of the main body by the elastic repulsive force of the spring provided at the rear respectively, A first engaging body and a second engaging body for providing a penetrating force to the needle;
A sliding piece for sequentially releasing the first engaging body and the second engaging body in the main body so as to advance the sample needle and the sealing needle of the sampling means with a time lag while sliding along the inner surface of the main body, An ultrathin pen type biopsy specimen.
The method according to claim 1,
The body
Wherein the outer surface of the triangular shape is curved outwardly.
The method according to claim 1,
The first engaging body and the second engaging body
Wherein the ultrasonic probe is arranged in a straight line along the longitudinal direction of the main body.
The method of claim 3,
And an engaging hook for engaging with the engaging portion of the main body and retaining the engaging hook is formed on the upper side of the first engaging body and the second engaging body.
The method according to any one of claims 1 to 4,
The sliding piece
The left and right sides of the first and second engaging bodies are partially removed by a tube to divide the upper and lower sides into an upper side and a lower side so that the engagement hooks of the first and second engagement bodies are pressed against the inner side of the upper side, And a pair of pressing portions are formed on the tip of the pen body.
The method according to claim 1,
And a scale is formed on the outer surface of the sealing needle at regular intervals.
KR1020150046234A 2015-04-01 2015-04-01 Ultra-thin pen type auto biopsy device KR101687099B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110461245A (en) * 2017-01-26 2019-11-15 花朵医疗有限公司 Biopsy instrument

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018139895A1 (en) * 2017-01-26 2018-08-02 고형진 Cutting biopsy instrument
KR102493277B1 (en) * 2017-01-26 2023-01-30 고형진 One-time usable core biopsy device
KR102117014B1 (en) * 2018-01-26 2020-05-29 고형진 Core biopsy device
KR102357411B1 (en) * 2018-01-26 2022-01-28 고형진 Core biopsy device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008535637A (en) * 2005-04-11 2008-09-04 ベクトン・ディキンソン・アンド・カンパニー Syringe device with forced lockout mechanism and injection rate limiting mechanism
KR101362842B1 (en) * 2012-01-03 2014-02-18 주식회사 엠아이텍 Biopsy Gun Device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008535637A (en) * 2005-04-11 2008-09-04 ベクトン・ディキンソン・アンド・カンパニー Syringe device with forced lockout mechanism and injection rate limiting mechanism
KR101362842B1 (en) * 2012-01-03 2014-02-18 주식회사 엠아이텍 Biopsy Gun Device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110461245A (en) * 2017-01-26 2019-11-15 花朵医疗有限公司 Biopsy instrument
CN110461245B (en) * 2017-01-26 2022-07-12 花朵医疗有限公司 Cutting biopsy instrument

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