CN113100839A - Lung tissue extraction element based on medical science inspection is used - Google Patents
Lung tissue extraction element based on medical science inspection is used Download PDFInfo
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- CN113100839A CN113100839A CN202110436466.6A CN202110436466A CN113100839A CN 113100839 A CN113100839 A CN 113100839A CN 202110436466 A CN202110436466 A CN 202110436466A CN 113100839 A CN113100839 A CN 113100839A
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- cutting
- needle
- vacuum pump
- lung tissue
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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
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
- A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
-
- 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
- A61B2010/0208—Biopsy devices with actuators, e.g. with triggered spring mechanisms
Abstract
The invention discloses a lung tissue extraction device based on medical examination, relates to the technical field of lung sampling, and solves the problems that the existing lung tissue extraction process is easy to have small sampling amount, is troublesome to operate and affects the work efficiency of examination; the operating button is slidably arranged on the upper part of the outer shell; a cutting drive mechanism located inside the outer housing; draw the needle main part, it is the acicular structure to draw the needle main part, it is in to draw needle main part fixed connection the right side of shell body. The micro vacuum pump enters lesion tissues in the sampling opening to be adsorbed and fixed, so that the sampling amount is ensured, the detection failure caused by too small sampling amount is effectively prevented, repeated sampling is avoided, the micro vacuum pump is started while the cutting needle slides leftwards, the opening and closing of the micro vacuum pump are not required to be controlled additionally, the operation is reduced, the use is convenient, the working efficiency is improved, the pain of patients is reduced, and the interference to the state of an illness is less.
Description
Technical Field
The invention relates to the technical field of lung sampling, in particular to a lung tissue extraction device based on medical inspection.
Background
In the respiratory department, the health condition of the lung is generally checked by adopting a radiation shooting mode, but in the process of determining diseases such as tuberculosis or malignant tumor, the tissue at the focus is generally extracted by adopting a biopsy mode, so that the accurate determination is ensured, and the next treatment scheme is conveniently formulated.
For example, application No.: CN201920625006.6 the utility model discloses a lung multiple biopsy auxiliary trocar used with a semi-automatic biopsy gun, which comprises a tube sheath (4) and a needle core (5), wherein the inner diameter and the length of the tube sheath (4) are matched with the head (2) of the semi-automatic biopsy gun, and the needle core (5) is sleeved in the tube sheath (4). The lung repeated biopsy auxiliary trocar can be used for penetrating once and sampling for multiple times, is simple to operate, saves time, reduces complications, increases tissue quantity of biopsy, only damages normal lung tissues and pleura in a puncture channel once, obviously reduces incidence rate of bleeding and pneumothorax, and obviously improves biopsy positive rate and diagnosis accuracy rate.
Based on the above, in the existing lung tissue extraction process, the sampling amount is easy to be small, the test requirement is difficult to meet, the tissue extraction work needs to be carried out again, the pain of a patient is increased, the multiple sampling has great influence on the development of the state of an illness, the operation is troublesome, and the work efficiency of the examination is influenced; thus, the existing need is not met, for which we propose a lung tissue extraction device based on medical examination.
Disclosure of Invention
The invention aims to provide a lung tissue extraction device based on medical examination, which aims to solve the problems that the existing lung tissue extraction process proposed in the background art is easy to have small sampling amount, difficult to meet the test requirement, needs to carry out tissue extraction again, increases the pain of a patient, has great influence on the development of the state of an illness due to multiple sampling, is troublesome to operate and influences the work efficiency of examination.
In order to achieve the purpose, the invention provides the following technical scheme: a lung tissue extraction device for medical examination comprises an outer shell;
the operating button is slidably arranged on the upper part of the outer shell;
a cutting drive mechanism located inside the outer housing;
the extraction needle body is of a needle-shaped structure and is fixedly connected to the right side of the outer shell;
the cutting mechanism is arranged on the right side of the outer shell;
and the adsorption fixing mechanism is arranged inside the outer shell.
Preferably, the operation button further includes:
the button guide part is opened at operating button's front and back terminal surface, and operating button passes through button guide part and shell body sliding connection.
Preferably, the cutting mechanism further comprises:
the cutting needle is of a cylindrical structure, and the cutting needle is sleeved outside the extraction needle body;
and the cutting edge is a sharp annular cutting edge and is arranged on the right end surface of the cutting needle.
Preferably, the cutting pin further comprises:
and the cutting guide sliding hole is formed in the left side of the front end face and the rear end face of the cutting needle, and the cutting needle is connected with the outer shell in a sliding mode through the cutting guide sliding hole.
Preferably, the cutting pin further comprises:
and the cutting driving spring is elastically connected to the left end surface of the cutting needle.
Preferably, the cutting drive mechanism further includes:
the driving racks are arranged in two groups, and the driving racks are fixedly connected to the left side of the lower part of the operating button;
cut off the driving piece, cut off the driving piece and rotate and connect inside the shell body, cut off the driving piece and still including middle transmission driven gear, middle transmission driven gear is provided with two sets ofly altogether, and the coaxial fixed connection of middle transmission driven gear is terminal surface around cutting off the driving piece, and the drive rack constitutes rack and pinion drive mechanism jointly with middle transmission driven gear meshing.
Preferably, the cutting drive mechanism further includes:
the cutting driven rack is fixedly connected to the top of the left side of the cutting needle;
the middle transmission driving gear is coaxially and fixedly connected to the middle of the cutting needle, and the cutting driven rack is meshed with the middle transmission driving gear to form a gear rack transmission mechanism together.
Preferably, the extraction needle body further comprises:
the sample opening, the sample opening is seted up and is being drawed needle main part left side upper portion.
Preferably, the adsorption fixing mechanism further comprises:
the micro vacuum pump is fixedly connected inside the outer shell;
the vacuum pump on-off press switch is fixedly connected inside the shell and electrically connected to a circuit of the micro vacuum pump to form a switch circuit;
the vacuum tube is fixed on the inner side of the extraction needle body and is communicated with the micro vacuum pump through a hose;
the adsorption holes are uniformly distributed on the upper part of the right side of the vacuum tube and are positioned in the sampling opening.
Preferably, the cutting pin further comprises:
the vacuum pump opens and close the piece, and vacuum pump opens and close piece fixed connection is in the left side bottom of cutting off the needle, and the vacuum pump opens and close the piece and just opens and close the switch to the vacuum pump, and the vacuum pump opens and close the piece and opens and close the switch and constitute cam mechanism jointly with the vacuum pump.
Compared with the prior art, the invention has the beneficial effects that:
when the invention is used, the extraction needle body is doped into a sampling focus position, the operating button is pressed downwards, the operating button drives the cutting driving piece to rotate through a gear rack transmission mechanism formed by the engagement of a driving rack and a middle transmission driven gear, the cutting driving piece drives the cutting needle to slide leftwards through the gear rack transmission mechanism formed by the engagement of the cutting driven rack and the middle transmission driving gear, the sampling opening leaks, meanwhile, the cutting needle and a vacuum pump opening and closing press switch jointly form a cam mechanism through a vacuum pump opening and closing block to press down the vacuum pump opening and closing press switch, the micro vacuum pump starts to work to enable the sampling opening to form negative pressure, tissues enter the sampling opening and are adsorbed and fixed through the adsorption hole, the tissues are effectively prevented from being separated from the sampling opening, the operating button is released, and the cutting needle rebounds under the spring acting force of a cutting driving spring, the tissue to be sampled is severed by the cutting edge, the device is then removed from the patient, and the sample is then removed from the sampling opening for testing.
According to the invention, the adsorption hole is arranged in the sampling opening, so that the focus tissue is adsorbed and fixed, the focus tissue entering the sampling opening is adsorbed and fixed, the sampling amount is ensured, the detection failure caused by too small sampling amount is effectively prevented, repeated sampling is avoided, the micro vacuum pump is started while the cutting needle slides leftwards, the opening and closing of the micro vacuum pump are not required to be controlled additionally, the operation is reduced, the use is convenient, the working efficiency is improved, the pain of patients is reduced, and the interference to the state of an illness is less.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic diagram of an internal axial side structure according to an embodiment of the present invention;
FIG. 3 is a schematic isometric cross-sectional view of an extraction needle body of the present invention;
FIG. 4 is a schematic side view of a cutting pin shaft according to an embodiment of the present invention;
FIG. 5 is a schematic side view of the cutting pin mounting shaft of the present invention;
FIG. 6 is a schematic view of the structure of the cutting pin shaft side of the present invention;
FIG. 7 is a schematic view of the bottom axial side structure of the cutting pin of the present invention;
FIG. 8 is a schematic axial view of the extraction needle body of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8;
FIG. 10 is a schematic view of an inner axial side structure of a second embodiment of the present invention;
in the figure: 1. an outer housing; 2. an operation button; 201. a button guide part; 202. a drive rack; 3. cutting off the driving member; 301. an intermediate drive driven gear; 302. an intermediate transmission drive gear; 4. extracting the needle body; 401. a sampling opening; 402. a vacuum tube; 403. an adsorption hole; 5. cutting off the needle; 501. cutting off the driven rack; 502. cutting off the drive spring; 503. cutting off the guide sliding hole; 504. cutting off the cutting edge; 505. a vacuum pump opening and closing block; 6. a micro vacuum pump; 7. the vacuum pump is turned on and off by a push switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 9, an embodiment of the present invention includes: a lung tissue extraction device based on medical examination comprises an outer shell 1, an operation button 2, a button guide part 201, a driving rack 202, a cutting driving part 3, an intermediate transmission driven gear 301, an intermediate transmission driving gear 302, an extraction needle body 4, a sampling opening 401, a vacuum tube 402, an adsorption hole 403, a cutting needle 5, a cutting driven rack 501, a cutting driving spring 502, a cutting guide sliding hole 503, a cutting edge 504, a vacuum pump opening and closing block 505, a micro vacuum pump 6 and a vacuum pump opening and closing press switch 7;
an operating button 2, wherein the operating button 2 is slidably arranged on the upper part of the outer shell 1;
a cutting drive mechanism located inside the outer case 1;
the extraction needle body 4 is of a needle-shaped structure, and the extraction needle body 4 is fixedly connected to the right side of the outer shell 1;
the cutting mechanism is arranged on the right side of the outer shell 1;
and the adsorption fixing mechanism is arranged inside the outer shell 1.
Further, the operation button 2 includes:
the button guide part 201, button guide part 201 set up in the front and back terminal surface of operating button 2, and operating button 2 passes through button guide part 201 and shell body 1 sliding connection, and in use, realizes the direction to operating button 2 through button guide part 201.
Further, the shutdown mechanism still includes:
a cutting needle 5, wherein the cutting needle 5 is of a cylindrical structure, and the cutting needle 5 is sleeved on the outer side of the extraction needle body 4;
the cutting edge 504, the cutting edge 504 is sharp annular edge, and the cutting edge 504 sets up at the right-hand member face of cutting needle 5, and in use, when cutting needle 5 slides from side to side, cutting needle 5 realizes cutting off the sample through cutting edge 504.
Further, the cutting pin 5 includes:
a cutting guide sliding hole 503, the cutting guide sliding hole 503 is arranged at the left side of the front and back end surfaces of the cutting needle 5, the cutting needle 5 is connected with the outer shell 1 in a sliding way through the cutting guide sliding hole 503, and in use, the cutting needle 5 is guided through the cutting guide sliding hole 503.
Further, the cutting pin 5 includes:
a cutting drive spring 502, the cutting drive spring 502 is elastically connected to the left end face of the cutting needle 5, and in use, the cutting needle 5 is provided with a driving force by the elastic action of the cutting drive spring 502.
Further, the cutting drive mechanism further includes:
two groups of driving racks 202 are arranged, and the driving racks 202 are fixedly connected to the left side of the lower part of the operating button 2;
cut off driving piece 3, cut off driving piece 3 and rotate and connect inside outer casing 1, cut off driving piece 3 still including middle transmission driven gear 301, middle transmission driven gear 301 is provided with two sets ofly altogether, the coaxial fixed connection of middle transmission driven gear 301 is at the front and back terminal surface of cutting off driving piece 3, drive rack 202 constitutes rack and pinion drive mechanism jointly with the meshing of middle transmission driven gear 301, in use, when pushing down operating button 2, operating button 2 drives to cut off driving piece 3 rotatory through constituting rack and pinion drive mechanism jointly by drive rack 202 and the meshing of middle transmission driven gear 301.
Further, the cutting drive mechanism further includes:
the cutting driven rack 501 is fixedly connected to the top of the left side of the cutting needle 5;
the middle transmission driving gear 302 and the middle transmission driving gear 302 are coaxially and fixedly connected to the middle of the cutting needle 5, the cutting driven rack 501 and the middle transmission driving gear 302 are meshed to form a gear and rack transmission mechanism together, and when the cutting driving member 3 rotates in use, the cutting driving member 3 drives the cutting needle 5 to slide left and right through the gear and rack transmission mechanism formed by meshing the cutting driven rack 501 and the middle transmission driving gear 302 together.
Further, the extraction needle body 4 further includes:
the sampling opening 401 is provided at the upper left side of the extraction needle body 4, and the tissue enters the sampling opening 401 when sampling, and the tissue is cut by the cutting needle 5 to achieve the purpose of sampling.
Further, adsorb fixed establishment still including:
the micro vacuum pump 6 is fixedly connected inside the outer shell 1;
the vacuum pump start-stop button 7 is fixedly connected inside the outer shell 1, and the vacuum pump start-stop button 7 is electrically connected to a circuit of the micro vacuum pump 6 to form a switch circuit;
a vacuum tube 402, the vacuum tube 402 is fixed on the inner side of the extraction needle body 4, and the vacuum tube 402 is communicated with the micro vacuum pump 6 through a hose;
adsorption holes 403, adsorption holes 403 evenly arrange on the right side upper portion of vacuum tube 402, and adsorption holes 403 is located sample opening 401, and in use opens and close according to switch 7 as the vacuum pump and is pushed down, and micro vacuum pump 6 works, and micro vacuum pump 6 is fixed with sample tissue absorption through adsorption holes 403, effectively avoids organizing to break away from sample opening 401, guarantees that sample quantity can reach the detection standard.
Further, the cutting pin 5 includes:
the vacuum pump opening and closing block 505 is fixedly connected to the bottom of the left side of the cutting needle 5, the vacuum pump opening and closing block 505 is over against the vacuum pump opening and closing pressing switch 7, the vacuum pump opening and closing block 505 and the vacuum pump opening and closing pressing switch 7 jointly form a cam mechanism, when the cutting needle 5 slides leftwards in use, the cutting needle 5 and the vacuum pump opening and closing pressing switch 7 jointly form the cam mechanism to press the vacuum pump opening and closing pressing switch 7 to press down, and the micro vacuum pump 6 starts to work.
The working principle is as follows: when in use, the extraction needle body 4 is doped into a sampling focus position, the operation button 2 is pressed downwards, the operation button 2 is meshed with the intermediate transmission driven gear 301 through the driving rack 202 to form a gear-rack transmission mechanism together to drive the cutting driving piece 3 to rotate, the cutting driving piece 3 is meshed with the intermediate transmission driving gear 302 to form a gear-rack transmission mechanism together to drive the cutting needle 5 to slide leftwards, the sampling opening 401 leaks, meanwhile, the cutting needle 5 and the vacuum pump opening and closing press switch 7 together form a cam mechanism through the vacuum pump opening and closing block 505 and the vacuum pump opening and closing press switch 7 to press down the vacuum pump opening and closing press switch 7, the micro vacuum pump 6 starts to work, so that the sampling opening 401 forms negative pressure, tissues enter the sampling opening 401, meanwhile, the sampling tissues are adsorbed and fixed through the adsorption holes 403, the tissues are effectively prevented from being separated from the sampling opening 401, the operation button 2 is released, the cutting needle 5 rebounds under the spring force of the cutting drive spring 502, cuts the sampled tissue through the cutting edge 504, removes the device from the patient, and takes the sample out of the sampling opening 401 for testing.
Example two
Referring to fig. 10, an embodiment of the present invention: a lung tissue extraction device based on medical examination comprises an outer shell 1, an operating button 2, a cutting driving piece 3, a middle transmission driving gear 302, an extraction needle body 4, a sampling opening 401, a vacuum tube 402, an adsorption hole 403, a cutting needle 5, a cutting driven rack 501, a cutting guide sliding hole 503, a cutting edge 504, a vacuum pump opening and closing block 505, a micro vacuum pump 6 and a vacuum pump opening and closing press switch 7;
an operating button 2, wherein the operating button 2 is slidably arranged on the upper part of the outer shell 1;
a cutting drive mechanism located inside the outer case 1;
the extraction needle body 4 is of a needle-shaped structure, and the extraction needle body 4 is fixedly connected to the right side of the outer shell 1;
the cutting mechanism is arranged on the right side of the outer shell 1;
and the adsorption fixing mechanism is arranged inside the outer shell 1.
Further, the cutting drive mechanism further includes:
the cutting driven rack 501 is fixedly connected to the top of the left side of the cutting needle 5;
cut off driving piece 3, cut off driving piece 3 and rotate and connect inside outer casing 1, cut off driving piece 3 and still including middle transmission driving gear 302, the coaxial fixed connection of middle transmission driving gear 302 is at the middle part of cutting off needle 5, cut off driven rack 501 and the meshing of middle transmission driving gear 302 and constitute rack and pinion drive mechanism jointly, in use, when cutting off driving piece 3 drive middle transmission driving gear 302 rotatory, cut off driving piece 3 through by cutting off driven rack 501 and the meshing of middle transmission driving gear 302 and constitute rack and pinion drive mechanism and drive the horizontal slip of cutting off needle 5 jointly.
Further, the cutting-off driving member 3 is of a micro motor structure, the operating button 2 is of an electrical control button structure, the operating button 2 is electrically connected to the control circuit of the cutting-off driving member 3 to form a switch control circuit, and in use, the control of the cutting-off driving member 3 is realized through the operating button 2.
When the device is used, the extraction needle body 4 is doped into a sampling focus position, the operation button 2 is pressed downwards, the operation button 2 controls the cutting driving piece 3 to operate, the cutting driving piece 3 and the intermediate transmission driving gear 302 are meshed to form a gear rack transmission mechanism together to drive the cutting needle 5 to slide leftwards, the sampling opening 401 leaks, meanwhile, the cutting needle 5 and the vacuum pump opening and closing press switch 7 form a cam mechanism together through the vacuum pump opening and closing block 505 to press down the vacuum pump opening and closing press switch 7, the micro vacuum pump 6 starts to work to enable the sampling opening 401 to form negative pressure, tissues enter the sampling opening 401 and pass through the adsorption hole 403 to adsorb and fix the sampled tissues, so that the tissues are effectively prevented from being separated from the sampling opening 401, when the cutting driving piece 3 operates reversely, the cutting driving piece 3 drives the cutting needle 5 to slide rightwards through the gear rack transmission mechanism formed by the meshing of the cutting driven rack 501 and the intermediate transmission driving gear 302 together, the sampled tissue is severed by the cutting edge 504 and the device is then removed from the patient and the sample is removed from the sampling opening 401 for testing.
The second embodiment is different from the first embodiment in that: operating button 2 is electrical control button, cuts off driving piece 3 and is the micro motor structure, and the horizontal slip that cuts off needle 5 drives rack and pinion drive mechanism drive through cutting off driving piece 3, realizes the sample action, simple structure, convenient to use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A lung tissue extraction element based on medical examination usefulness which characterized in that: comprises an outer shell (1);
the operating button (2), the said operating button (2) is installed in the upper portion of the outer body (1) slidably;
a cutting drive mechanism located inside the outer housing (1);
the extraction needle body (4) is of a needle-shaped structure, and the extraction needle body (4) is fixedly connected to the right side of the outer shell (1);
the cutting mechanism is arranged on the right side of the outer shell (1);
and the adsorption fixing mechanism is arranged inside the outer shell (1).
2. The device for extracting lung tissue based on medical examination as claimed in claim 1, wherein: the operating button (2) further comprises:
the button guide part (201), button guide part (201) set up in the front and back terminal surface of operating button (2), and operating button (2) passes through button guide part (201) and shell body (1) sliding connection.
3. The device for extracting lung tissue based on medical examination as claimed in claim 1, wherein: the cutting mechanism further comprises:
a cutting needle (5), wherein the cutting needle (5) is of a cylindrical structure, and the cutting needle (5) is sleeved on the outer side of the extraction needle main body (4);
a cutting edge (504), wherein the cutting edge (504) is a sharp annular edge, and the cutting edge (504) is arranged on the right end face of the cutting needle (5).
4. A medical examination based lung tissue extraction device according to claim 3, wherein: the cutting needle (5) further comprises:
and the cutting guide sliding hole (503) is formed in the left side of the front end face and the rear end face of the cutting needle (5), and the cutting needle (5) is connected with the outer shell (1) in a sliding mode through the cutting guide sliding hole (503).
5. A medical examination based lung tissue extraction device according to claim 3, wherein: the cutting needle (5) further comprises:
a cutting drive spring (502), wherein the cutting drive spring (502) is elastically connected with the left end surface of the cutting needle (5).
6. The device for extracting lung tissue based on medical examination as claimed in claim 1, wherein: the cutting drive mechanism further comprises:
the driving racks (202), the driving racks (202) are arranged in two groups, and the driving racks (202) are fixedly connected to the left side of the lower part of the operating button (2);
cut off driving piece (3), cut off driving piece (3) and rotate to be connected inside shell body (1), cut off driving piece (3) still including middle transmission driven gear (301), middle transmission driven gear (301) are provided with two sets ofly altogether, and the coaxial fixed connection of middle transmission driven gear (301) is terminal surface around cutting off driving piece (3), and drive rack (202) constitutes rack and pinion drive mechanism jointly with middle transmission driven gear (301) meshing.
7. The device for extracting lung tissue based on medical examination as claimed in claim 1, wherein: the cutting drive mechanism further comprises:
the cutting driven rack (501), the cutting driven rack (501) is fixedly connected to the top of the left side of the cutting needle (5);
the middle transmission driving gear (302) is coaxially and fixedly connected to the middle of the cutting needle (5), and the cutting driven rack (501) is meshed with the middle transmission driving gear (302) to form a gear-rack transmission mechanism together.
8. The device for extracting lung tissue based on medical examination as claimed in claim 1, wherein: the extraction needle body (4) further comprises:
a sampling opening (401), wherein the sampling opening (401) is arranged at the upper part of the left side of the extraction needle body (4).
9. The device for extracting lung tissue based on medical examination as claimed in claim 1, wherein: the adsorption fixing mechanism further comprises:
the micro vacuum pump (6), the micro vacuum pump (6) is fixedly connected to the inside of the outer shell (1);
the vacuum pump opening and closing press switch (7) is fixedly connected inside the outer shell (1), and the vacuum pump opening and closing press switch (7) is electrically connected to a circuit of the micro vacuum pump (6) to form a switch circuit;
the vacuum tube (402), the vacuum tube (402) is fixed on the inner side of the extraction needle main body (4), and the vacuum tube (402) is communicated with the micro vacuum pump (6) through a hose;
the adsorption holes (403) are uniformly distributed at the upper part of the right side of the vacuum tube (402), and the adsorption holes (403) are positioned in the sampling opening (401).
10. A medical examination based lung tissue extraction device according to claim 3, wherein: the cutting needle (5) further comprises:
the vacuum pump opening and closing block (505), the vacuum pump opening and closing block (505) are fixedly connected to the bottom of the left side of the cutting needle (5), the vacuum pump opening and closing block (505) is over against the vacuum pump opening and closing pressing switch (7), and the vacuum pump opening and closing block (505) and the vacuum pump opening and closing pressing switch (7) jointly form a cam mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436466.6A CN113100839A (en) | 2021-04-22 | 2021-04-22 | Lung tissue extraction element based on medical science inspection is used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436466.6A CN113100839A (en) | 2021-04-22 | 2021-04-22 | Lung tissue extraction element based on medical science inspection is used |
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| CN112674805A (en) * | 2020-12-24 | 2021-04-20 | 中国人民解放军陆军军医大学第一附属医院 | Breast tumor sampler |
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