CN111345856A - Disposable biopsy needle - Google Patents
Disposable biopsy needle Download PDFInfo
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- CN111345856A CN111345856A CN202010285712.8A CN202010285712A CN111345856A CN 111345856 A CN111345856 A CN 111345856A CN 202010285712 A CN202010285712 A CN 202010285712A CN 111345856 A CN111345856 A CN 111345856A
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- adjusting pin
- needle
- biopsy needle
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- 238000001574 biopsy Methods 0.000 title claims abstract description 49
- 238000004804 winding Methods 0.000 claims description 33
- 230000000903 blocking effect Effects 0.000 claims description 21
- 238000000926 separation method Methods 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 abstract description 5
- 210000004204 blood vessel Anatomy 0.000 abstract description 3
- 210000005036 nerve Anatomy 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 description 20
- 210000001519 tissue Anatomy 0.000 description 9
- 238000005070 sampling Methods 0.000 description 6
- 206010028980 Neoplasm Diseases 0.000 description 4
- 238000010304 firing Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013188 needle biopsy Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011269 treatment regimen Methods 0.000 description 1
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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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of medical supplies, in particular to a disposable biopsy needle with multiple ejection strokes, which is provided with a gear adjusting component; the needle inserting depth of the inner needle and the outer needle can be adjusted by utilizing the gear adjusting component, so that the disposable biopsy needle can meet the requirements of various biopsy operations and has higher universality; doctors can carry out more effective, accurate and close puncture biopsy operation, and can obtain expected good focus tissues under the condition of not damaging other organs, nerves, blood vessels and other tissues; more reliable operation is brought to the patient, and the operation efficiency and the biopsy operation quality of the doctor are effectively improved.
Description
Technical Field
The invention relates to the technical field of medical supplies, in particular to a disposable biopsy needle with multiple ejection strokes.
Background
Tissue tumors are diseases that seriously harm human health and life, and in recent years, the incidence rate is gradually increased and the age of onset is gradually decreased, and therefore, the nature of tissue tumors needs to be diagnosed as early as possible. Correct diagnosis requires a three-step combination of clinical, imaging and pathology, with pathological diagnosis playing a key role in the selection of treatment regimens, and needle biopsy being the primary approach to obtaining tissue samples.
Chinese patent CN109646061A discloses a biopsy needle with two excitation modes, which comprises a first winding button 3 and a second winding button 13, wherein the first winding button 3 is connected with an outer needle 2, the second winding button 13 is connected with an inner needle 1, two excitation modes can be selected when the two winding buttons are in a contraction state, one mode is that the two winding buttons are excited once by using a rear excitation button 7 or a side excitation button 5, and the other mode is that the two winding buttons are respectively excited by using a first elastic sheet 14 and a second elastic sheet 15, namely, the two excitation modes are excited twice. The biopsy needle has two excitation modes which can be switched at any time, solves the problem that a doctor should select the biopsy needle with any excitation mode when dealing with a complicated focus environment, and can freely provide a biopsy scheme most suitable for a patient in time at any time.
However, since the size of the suspected tumor to be subjected to the needle biopsy is generally different depending on the site of the patient to be subjected to the biopsy sampling, such as tissues of prostate, kidney, liver, spleen, breast, etc., a biopsy needle having an appropriate ejection stroke and a needle sampling length is required to perform the operation, the inner needle and the outer needle of the biopsy needle have only 1 ejection stroke (generally 22mm), and when the operator performs the needle puncture operation on a small organ or a small suspected tumor, the ejection stroke of the biopsy needle is too large, so that there is a risk of puncturing other organs and tissues, and the operation is not smooth or fails.
Disclosure of Invention
In view of this, the present invention provides a disposable biopsy needle, which has a shift adjustment function, and can adjust the penetration depth of an inner needle and an outer needle, thereby improving the versatility of the disposable biopsy needle.
The invention provides a disposable biopsy needle which comprises a base, a front cover plate and two winding buttons, wherein the front cover plate and a bottom plate of the base are arranged in parallel, a space is arranged between the front cover plate and the bottom plate of the base, a cover plate slot is arranged on one side, facing the front cover plate, of the winding buttons, the winding buttons can trigger the slot to move towards the front cover plate and are inserted into the cover plate slot, the limiting end of the front cover plate is abutted to the bottom surface of the cover plate slot, a blocking piece slot is arranged at the limiting end of the front cover plate, and a gear adjusting component is arranged on the front cover; the gear adjusting assembly comprises a separation blade and an adjusting pin, the separation blade is inserted into the separation blade slot, the adjusting pin penetrates through the side wall of the separation blade and penetrates through the separation blade, and the axis of the adjusting pin is perpendicular to the ejection direction of the winding button; two lateral walls of base are equipped with the device of shifting gears, and the both ends of adjusting pin are equipped with the joint subassembly that can be connected with the device of shifting gears, drive separation blade synchronous motion when adjusting to the gear of the difference of the device of shifting gears to the adjustment separation blade stretches out the length that the end stretches out the spacing end of front shroud.
Optionally, the gear shifting device includes a plurality of gear holes distributed linearly and a plurality of strip-shaped channels, where the strip-shaped channels communicate with adjacent gear holes; the plurality of gear holes are symmetrically arranged on the surfaces of the two side walls of the base along the ejection direction of the upper string button; the clamping assembly is provided with a columnar protrusion, the end part of the adjusting pin penetrates through the columnar protrusion along the axis of the columnar protrusion, and the columnar protrusion can slide along the axis of the adjusting pin and is clamped with the gear hole.
Optionally, the stud bump is in interference fit with the shift hole.
Optionally, the clamping assembly further comprises a pressing cap, one end of the columnar protrusion is connected with the pressing cap, and the adjusting pin penetrates through the pressing cap; the outer diameter of the pressing cap is larger than the inner diameter of the gear hole.
Optionally, two ends of the adjusting pin are provided with anti-falling bulges, and at least one anti-falling bulge is in threaded connection with the adjusting pin; the pressing cap is provided with a containing groove for containing the anti-falling protrusion towards one side of the anti-falling protrusion.
Optionally, a gear mark corresponding to the gear hole is arranged on the side wall of the base.
Optionally, the gear hole, which is farthest from the limiting end of the front cover plate along the ejection direction of the upper chord button, in the plurality of gear holes is the maximum ejection stroke gear hole; when the adjusting pin is adjusted to the maximum ejection stroke gear hole, the extending end of the blocking piece is flush with the limiting end of the front cover plate.
The invention provides a disposable biopsy needle, which is provided with a gear adjusting component; the needle inserting depth of the inner needle and the outer needle can be adjusted by utilizing the gear adjusting component, so that the disposable biopsy needle can meet the requirements of various biopsy operations and has higher universality; doctors can carry out more effective, accurate and close puncture biopsy operation, and can obtain expected good focus tissues under the condition of not damaging other organs, nerves, blood vessels and other tissues; more reliable operation is brought to the patient, and the operation efficiency and the biopsy operation quality of the doctor are effectively improved.
Drawings
For purposes of illustration and not limitation, the present invention will now be described in accordance with its preferred embodiments, particularly with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a disposable biopsy needle according to an embodiment of the present invention;
FIG. 2 is an exploded view of a disposable biopsy needle provided in accordance with embodiments of the present invention;
FIG. 3 is a schematic structural view of a base;
FIG. 4 is a schematic structural view of a first winding button;
FIG. 5 is a schematic structural view of a second winding button;
FIG. 6 is a schematic view of the structure of the baffle plate;
FIG. 7 is an enlarged partial view of the shift position adjustment assembly;
FIG. 8 is a cross-sectional view of the shift position adjustment assembly;
FIG. 9 is a schematic view of the wrenching press cap;
fig. 10 is a schematic view of the columnar protrusion separated from the shift hole.
In the figure:
1: an inner needle; 2: an outer needle; 3: a first winding button; 4: a front cover plate; 5: a side firing button; 6: a base; 7: a rear firing button; 8: a button pressure spring; 9: a left pusher member; 10: a right pusher; 11: a baffle plate; 12: pressing the cap; 13: an adjustment pin; 14: the anti-drop bulge; 15: an upper cover; 16: exciting the pressure spring; 17: a second winding button; 18: a columnar bulge; 19: a first elastic sheet; 20: a second elastic sheet; 31: a first gear wall; 32: a first locking hook; 61: a left gear hole; 62: a right gear hole; 63: a left locking rib position; 64: a right locking rib position; 111: retaining walls; 171: a second gear wall; 172: a second locking hook.
Detailed Description
In the embodiment of the present invention, the structure of the puncture support is optimized effectively, which not only can reduce the volume and the cost, but also is beneficial for the flexible operation of doctors and reduces the uncomfortable feeling of patients, and is described in detail below.
When the disposable biopsy needle is used, an inner needle 1 is firstly driven into a focus, a sampling groove is formed in the inner needle 1, the focus is fully distributed in the sampling groove, then an outer needle 2 is driven into the focus, the outer needle 2 rapidly enters the focus to cut the focus at the sampling groove, the part of the focus is left in the sampling groove after being cut, and finally, the disposable biopsy needle is taken out to carry out chemical examination and analysis on a taken focus sample.
FIG. 1 is a schematic view of a disposable biopsy needle according to an embodiment of the present invention; FIG. 2 is an exploded view of a disposable biopsy needle provided in accordance with embodiments of the present invention; FIG. 3 is a schematic structural view of a base; FIG. 4 is a schematic structural view of a first winding button; FIG. 5 is a schematic structural view of a second winding button; as shown in fig. 1 to 5, when the disposable biopsy needle is wound up, the first winding button 3 and the second winding button 17 are pressed first, the two winding buttons compress the exciting compression spring 16, the first locking hook 32 of the first winding button 3 is clamped on the left locking rib position 63, the second locking hook 172 of the second winding button 17 is clamped on the right locking rib position 64, and at this time, the outer needle 2 and the inner needle 1 are both in a retracted state.
The disposable biopsy needle according to the embodiment of the present invention has two excitation methods for the inner needle 1 and the outer needle 2, which will be described below.
The first excitation mode is one-time excitation, namely, the back excitation button 7 or the side excitation button 5 is pressed, the elasticity of a button pressure spring 8 is overcome, a first push rod and a second push rod on the back excitation button 7 are driven to move, the two push rods respectively push a first locking hook 32 and a second locking hook 172 (pushed by a left pushing piece 9 and a right pushing piece 10), so that the first locking hook 32 is separated from a left locking rib position 63, the second locking hook 172 is separated from a right locking rib position 64, the length of the second push rod is slightly longer than that of the first push rod, therefore, after the back excitation button 7 or the side excitation button 5 is pressed, the second push rod firstly separates the second locking hook 172 from the right locking rib position 64, then the first push rod separates the first locking hook 32 from the left locking rib position 63, and the separation time difference between the two realizes the first inner needle 1 and the second outer needle 2.
The other excitation mode is two-time excitation, namely, the first elastic sheet 19 and the second elastic sheet 20 on the upper cover 15 are pressed step by step, the first elastic sheet 19 is pressed, the right pushing piece 10 enables the second locking hook 172 to be separated from the right locking rib position 64, the needle insertion of the inner needle 1 is completed, then the second elastic sheet 20 is pressed, the left pushing piece 9 enables the first locking hook 32 to be separated from the left locking rib position 63, and the needle insertion of the outer needle 2 is completed.
The disposable biopsy needle provided by the embodiment of the invention has two excitation modes, can meet more operation requirements, and can adjust the needle inserting lengths of the inner needle 1 and the outer needle 2 by using the gear adjusting assembly, and different needle inserting lengths can meet more use requirements.
FIG. 6 is a schematic view of the structure of the baffle plate; FIG. 7 is an enlarged partial view of the shift position adjustment assembly; FIG. 8 is a cross-sectional view of the shift position adjustment assembly; as shown in fig. 2 and fig. 4 to 8, the gear position adjusting assembly includes a blocking piece 11 and an adjusting pin 13, the blocking piece 11 is inserted into a slot of the blocking piece 11, the side wall of the blocking piece 11 is provided with the adjusting pin 13 penetrating through the blocking piece 11, and the axis of the adjusting pin 13 is perpendicular to the ejection direction of the winding button; two lateral walls of base 6 are equipped with the device of shifting gears, and the both ends of adjusting pin 13 are equipped with the joint subassembly that can be connected with the device of shifting gears, and adjusting pin 13 drives separation blade 11 synchronous motion when adjusting the gear to the different gears of the device of shifting gears to adjustment separation blade 11 stretches out the length that the end stretches out the spacing end of front shroud 4. The first winding button 3 comprises a first gear wall 31 (namely, the bottom surface of the cover plate slot of the first winding button 3), the second winding button 17 comprises a second gear wall 171 (namely, the bottom surface of the cover plate slot of the second winding button 17), and when the existing disposable biopsy needle has no gear adjusting component, the first gear wall 31 and the second gear wall 171 are respectively abutted against the limit end of the front cover plate 4 after the inner needle 1 and the outer needle 2 are excited; when the gear adjusting assembly is arranged in the embodiment of the invention, the blocking piece 11 is adjusted to extend out along the limiting end of the front cover plate 4, and after the inner needle 1 and the outer needle 2 are excited, the first gear wall 31 and the second gear wall 171 abut against the extending end of the blocking piece 11, namely the retaining wall 111, so that the needle inserting length of the inner needle 1 and the needle inserting length of the outer needle 2 are shortened, and the purpose of adjusting the needle inserting length is achieved.
The gear hole which is farthest away from the limiting end of the front cover plate 4 along the ejection direction of the upper chord button in the plurality of gear holes is the maximum ejection stroke gear hole; when the adjusting pin 13 is adjusted to the maximum ejection stroke gear hole, the extending end of the baffle plate 11 is flush with the limiting end of the front cover plate 4. When the adjusting pin 13 is in the maximum ejection stroke gear hole, the gear is changed to the original position, that is, the first gear wall 31 and the second gear wall 171 are abutted to the limit end of the front cover plate 4, along with the gear adjustment, the baffle plate 11 extends out of the front cover plate 4, and the first gear wall 31 and the second gear wall 171 are abutted to the retaining wall 111 of the baffle plate 11.
FIG. 9 is a schematic view of the wrenching press cap; FIG. 10 is a schematic view of the stud bump separated from the shift gate hole; as shown in fig. 3 and fig. 7 to 10, the shifting device includes a plurality of shift holes distributed linearly and a plurality of strip-shaped channels, wherein the strip-shaped channels communicate with adjacent shift holes; the gear holes are symmetrically arranged on the surfaces of two side walls of the base 6 along the ejection direction of the upper chord button and are divided into a left gear hole 61 and a right gear hole 62; the clamping assembly has a cylindrical projection 18, the end of the adjusting pin 13 passes through the cylindrical projection 18 along the axis of the cylindrical projection 18, and the cylindrical projection 18 can slide along the axis of the adjusting pin 13 and is clamped with the gear hole, and preferably, the cylindrical projection 18 and the gear hole are in interference fit connection. The clamping assembly can be fixedly connected with the gear holes, so that the blocking pieces 11 cannot move at corresponding gear positions, and can be separated from the gear holes to realize free adjustment of the adjusting pins 13.
As shown in fig. 2, 7, 9 and 10, the clamping assembly further includes a pressing cap 12, one end of the columnar protrusion 18 is connected with the pressing cap 12, and the adjusting pin 13 penetrates through the pressing cap 12; the outer diameter of the press cap 12 is larger than the inner diameter of the shift hole. When the position of the clamping group is adjusted, the columnar bulge 18 is convenient to pull and is separated from the gear hole, and the pressing cap 12 with larger outer diameter is connected to the columnar bulge 18, so that the pulling operation is convenient. Two ends of the adjusting pin 13 are provided with anti-falling bulges 14, and at least one anti-falling bulge 14 is in threaded connection with the adjusting pin 13; one side of the pressing cap 12 facing the anti-falling protrusion 14 is provided with a receiving groove for receiving the anti-falling protrusion 14. The external diameter of anticreep arch 14 is greater than the aperture of the last perforation of separation blade 11, and then avoids adjusting pin 13 and separation of separation blade 11, for the installation between convenient separation blade 11 and the adjusting pin 13, establishes threaded connection between anticreep arch 14 and the adjusting pin 13.
Be equipped with the gear sign that corresponds the setting with the gear hole on the lateral wall of base 6, the number that the gear sign shows is the length of inserting the needle of biopsy needle, and it has the suggestion effect. Each gear hole corresponds to a gear mark, wherein the disposable biopsy needle can be divided into a plurality of models according to the length of the blocking sheet 11, for example, the base 6 shown in fig. 3 includes four gears of 22mm, 17mm, 12mm and 7mm, or the base 6 shown in fig. 7 includes four gears of 20mm, 15mm, 10mm and 5 mm.
According to the disposable biopsy needle provided by the embodiment of the invention, before an operation, a doctor selects the corresponding disposable biopsy needle according to the position, the size and other conditions of a focus and determines the ejection length. After the winding button finishes winding operation, as shown in fig. 9 and 10, the pressing cap 12 is pulled to separate the columnar protrusion 18 from the current shift hole, the adjusting pin 13 can freely move in the strip-shaped channel after separation, the adjusting pin 13 is moved to a required shift hole, and the pressing cap 12 is pressed towards a new shift hole, so that the columnar protrusion 18 is pressed into the shift hole, at this time, the blocking piece 11 is adjusted to a new shift position, the corresponding length of the corresponding outward extension of the blocking wall 111 of the blocking piece 11 is provided, for example, the shift position is adjusted from 15mm to 10mm, and the blocking piece 11 extends outward by 5 mm. After the inner needle 1 and the outer needle 2 are excited by adopting a one-time excitation mode or a two-time excitation mode, the needle inserting length of the inner needle 1 and the needle inserting length of the outer needle 2 are adjusted to be the required ejection length.
The disposable biopsy needle provided by the embodiment of the invention can meet various biopsy operation requirements through gear adjustment, and has higher universality; doctors can carry out more effective, accurate and close puncture biopsy operation, and can obtain expected good focus tissues under the condition of not damaging other organs, nerves, blood vessels and other tissues; more reliable operation is brought to the patient, and the operation efficiency and the biopsy operation quality of the doctor are effectively improved.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, mixtures, sub-mixtures and substitutions may occur depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A disposable biopsy needle comprises a base (6), a front cover plate (4) and two winding buttons, wherein the front cover plate (4) is arranged in parallel with a bottom plate of the base (6), a space is arranged between the front cover plate and the base, a cover plate slot is arranged on one side, facing the front cover plate (4), of each winding button, each winding button can trigger the slot to move towards the front cover plate and is inserted into the corresponding cover plate slot, and the limiting end of the front cover plate (4) is abutted against the bottom surface of the corresponding cover plate slot;
the gear adjusting assembly comprises a blocking piece (11) and an adjusting pin (13), the blocking piece (11) is inserted into a blocking piece slot, the adjusting pin (13) penetrates through the blocking piece (11) along the side wall of the blocking piece (11) and penetrates through the blocking piece (11), and the axis of the adjusting pin (13) is perpendicular to the ejection direction of the winding button;
two lateral walls of base (6) are equipped with the device of shifting gears, and the both ends of adjusting pin (13) are equipped with the joint subassembly that can be connected with the device of shifting gears, and adjusting pin (13) drive separation blade (11) synchronous motion when adjusting the gear to the different gears of the device of shifting gears to adjustment separation blade (11) stretch out the length that the end stretches out the spacing end of front shroud (4).
2. The disposable biopsy needle of claim 1,
the gear shifting device comprises a plurality of gear holes and a plurality of strip-shaped channels which are distributed linearly, wherein the strip-shaped channels are communicated with the adjacent gear holes; the plurality of gear holes are symmetrically arranged on the surfaces of the two side walls of the base along the ejection direction of the upper string button;
the clamping assembly is provided with a columnar protrusion (18), the end part of the adjusting pin (13) penetrates through the columnar protrusion (18) along the axis of the columnar protrusion (18), and the columnar protrusion (18) can slide along the axis of the adjusting pin (13) and is clamped with the gear hole.
3. The disposable biopsy needle according to claim 2, wherein the stud bumps (18) have an interference fit with the indexing holes.
4. The disposable biopsy needle according to claim 2, wherein the snap assembly further comprises a press cap (12), one end of the cylindrical protrusion (18) is connected with the press cap (12), and the adjusting pin (13) passes through the press cap (12);
the outer diameter of the pressing cap (12) is larger than the inner diameter of the gear hole.
5. The disposable biopsy needle according to claim 4, wherein the two ends of the adjusting pin (13) are provided with anti-falling projections (14), at least one anti-falling projection (14) is in threaded connection with the adjusting pin (13);
one side of the pressing cap (12) facing the anti-falling bulge (14) is provided with a containing groove for containing the anti-falling bulge (14).
6. The disposable biopsy needle according to any one of claims 2 to 5, characterized in that the side wall of the base (6) is provided with a gear mark corresponding to the gear hole.
7. The disposable biopsy needle of claim 6, wherein a gear hole of the plurality of gear holes that is farthest from the limit end of the front cover plate in the ejection direction of the upper chord button is a maximum ejection stroke gear hole;
when the adjusting pin (13) is adjusted to the maximum ejection stroke gear hole, the extending end of the baffle (11) is flush with the limiting end of the front cover plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285712.8A CN111345856A (en) | 2020-04-13 | 2020-04-13 | Disposable biopsy needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285712.8A CN111345856A (en) | 2020-04-13 | 2020-04-13 | Disposable biopsy needle |
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| CN111345856A true CN111345856A (en) | 2020-06-30 |
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| CN202010285712.8A Pending CN111345856A (en) | 2020-04-13 | 2020-04-13 | Disposable biopsy needle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112043316A (en) * | 2020-10-09 | 2020-12-08 | 桂林医学院附属医院 | Coaxial biopsy needle system special for thyroid nodule and control method |
| CN113171162A (en) * | 2021-04-29 | 2021-07-27 | 苏州市立普医疗科技有限公司 | Full-automatic puncture needle linkage excitation device and method and full-automatic puncture needle |
| CN113243945A (en) * | 2021-06-17 | 2021-08-13 | 常州市新能源吻合器总厂有限公司 | Full-automatic biopsy needle with gear shifting structure |
| CN113425336A (en) * | 2021-06-17 | 2021-09-24 | 常州市新能源吻合器总厂有限公司 | Full-automatic biopsy needle and using method thereof |
| WO2022141622A1 (en) * | 2021-01-04 | 2022-07-07 | 苏州市立普医疗科技有限公司 | Biopsy needle actuating device and fully automatic biopsy device |
| WO2022226943A1 (en) * | 2021-04-29 | 2022-11-03 | 苏州市立普医疗科技有限公司 | Excitation assembly of full-automatic puncture needle and full-automatic puncture needle |
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| WO2022141622A1 (en) * | 2021-01-04 | 2022-07-07 | 苏州市立普医疗科技有限公司 | Biopsy needle actuating device and fully automatic biopsy device |
| CN113171162A (en) * | 2021-04-29 | 2021-07-27 | 苏州市立普医疗科技有限公司 | Full-automatic puncture needle linkage excitation device and method and full-automatic puncture needle |
| WO2022226943A1 (en) * | 2021-04-29 | 2022-11-03 | 苏州市立普医疗科技有限公司 | Excitation assembly of full-automatic puncture needle and full-automatic puncture needle |
| CN113243945A (en) * | 2021-06-17 | 2021-08-13 | 常州市新能源吻合器总厂有限公司 | Full-automatic biopsy needle with gear shifting structure |
| CN113425336A (en) * | 2021-06-17 | 2021-09-24 | 常州市新能源吻合器总厂有限公司 | Full-automatic biopsy needle and using method thereof |
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