CN210249909U - Tissue sampling device for breast biopsy - Google Patents
Tissue sampling device for breast biopsy Download PDFInfo
- Publication number
- CN210249909U CN210249909U CN201920809447.1U CN201920809447U CN210249909U CN 210249909 U CN210249909 U CN 210249909U CN 201920809447 U CN201920809447 U CN 201920809447U CN 210249909 U CN210249909 U CN 210249909U
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- CN
- China
- Prior art keywords
- sampling device
- tissue sampling
- air pump
- air
- puncture needle
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Abstract
The utility model discloses a breast biopsy is with tissue sampling device, including the air extraction tube, the air extraction tube outer wall is equipped with the solid fixed ring of inflator of symmetry form, and is equipped with the inflator stopcock on the air extraction tube to the air extraction tube lower extreme is equipped with the felting needle, the inside motor fixed plate that is equipped with of air extraction tube, and the inside locating plate that still is equipped with of air extraction tube, be equipped with servo motor on the motor fixed plate, and be equipped with drive gear on the servo motor, set up the through-hole on the locating plate, and be equipped with the ejector pin in the locating plate through-hole, the ejector pin outer wall is equipped with the screw thread, and the ejector pin is far away the. The conical pricking pin on the tissue sampling device for breast biopsy can easily enter tissues, and the opening is formed in the outer wall of the pricking pin, so that the tissues to be sampled can be sucked, the tissues are cut through the cutting groove in the ejector rod, and the tissue sampling device is simple and convenient to use.
Description
Technical Field
The utility model relates to a breast biopsy device technical field specifically is a breast biopsy is with tissue sampling device.
Background
Breast biopsy, i.e., breast biopsy pathology, refers to a method of pathological examination of diseased tissue from a living body of a patient to determine a diagnosis by using surgical methods such as local excision, clamping, needle aspiration, scratching, and excision.
The existing breast biopsy and rotary cutting probe is usually a American Memmer lactation biopsy and rotary cutting probe or a American Barde breast biopsy and rotary cutting probe, wherein the American Memmer lactation biopsy and rotary cutting probe is a two-concave surface common knife tip, the American Barde breast biopsy and rotary cutting probe is a three-concave surface common knife tip, and the insertion principle of the American Muller lactation biopsy and rotary cutting probe is forward propulsion. Thus, the penetrated healthy tissue is pushed to the focus before being inserted into the focus, and the resistance is large, and the focus is pressed, so that the defects of large resistance to insertion, low insertion smoothness, influence on the focus and the like exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tissue sampling device for breast biopsy to current rotary-cut probe that provides in solving the background art exists that resistance of advancing is big, inserts smooth and easy nature and hangs down, influences the problem of shortcomings such as focus.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a breast biopsy is with tissue sampling device, includes the exhaust column, the exhaust column outer wall is equipped with the solid fixed ring of inflator of symmetry form, and is equipped with the inflator stopper on the exhaust column to the exhaust column lower extreme is equipped with the felting needle, the inside motor fixed plate that is equipped with of exhaust column, and the inside locating plate that still is equipped with of exhaust column, be equipped with servo motor on the motor fixed plate, and be equipped with drive gear on the servo motor, the through-hole has been seted up on the locating plate, and is equipped with the ejector pin in the locating plate through-hole, the ejector pin outer wall is equipped with the screw thread, and the grooving has been seted up to.
Preferably, the center point of the through hole on the positioning plate and the center point of the puncture needle are on the same vertical line.
Preferably, the thread gap on the ejector rod is matched with the tooth-shaped gap on the transmission gear, and the length of the ejector rod is greater than the inner depth of the puncture needle.
Preferably, the cylinder sealing plug is provided with an air suction pipe, and the other end of the air suction pipe is connected with an air suction pump.
Preferably, the spike distal suction cylinder end is tapered.
Preferably, the end of the cutting groove far away from the top rod is an inner oblique cut, and the inner depth of the cutting groove is equal to the inner diameter of the outer wall cut of the puncture needle.
Compared with the prior art, the beneficial effects of the utility model are that: the conical pricking pin on the tissue sampling device for breast biopsy can easily enter tissues, and the opening is formed in the outer wall of the pricking pin, so that the tissues to be sampled can be sucked, the tissues are cut through the cutting groove in the ejector rod, and the tissue sampling device is simple and convenient to use. The through hole on the positioning plate of the device can be aligned to the position of the puncture needle, the ejector rod on the positioning plate can be arranged in the puncture needle, and the cutting groove on the ejector rod can cut the tissue in the opening of the puncture needle when passing through the inner side of the opening of the outer wall of the puncture needle, so that the purpose of cutting the tissue is achieved, and the air suction pipe on the air cylinder sealing plug can guide out the air in the air suction pipe under the action of the air suction pump, so that the tissue at the incision of the puncture needle is sucked.
Drawings
FIG. 1 is a schematic structural view of a breast biopsy tissue sampling device according to the present invention;
FIG. 2 is a perspective view of a breast biopsy sampling device of the present invention;
fig. 3 is a view of the tissue sampling device for breast biopsy of the present invention.
In the figure: 1. the air pump comprises an air pumping cylinder 2, a motor fixing plate 3, a positioning plate 4, a push rod 5, an air suction pipe 6, an air cylinder sealing plug 7, an air cylinder fixing ring 8, a servo motor 9, a transmission gear 10, a puncture needle 11 and a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a tissue sampling device for breast biopsy comprises an air pump 1, wherein the outer wall of the air pump 1 is provided with symmetrical air cylinder fixing rings 7, the upper end of the air pump 1 is provided with an air cylinder sealing plug 6, the lower end of the air pump 1 is provided with a puncture needle 10, the air cylinder sealing plug 6 is provided with an air suction pipe 5, the other end of the air suction pipe 5 is connected with an air pump, the air pump with the structure can discharge air in the air pump 1 through the air suction pipe 5 on the air cylinder sealing plug 6, so that the air pressure in the air pump 1 is reduced to suck the tissue at the upper opening of the puncture needle 10, a motor fixing plate 2 is arranged in the air pump 1, a positioning plate 3 is also arranged in the air pump 1, the motor fixing plate 2 is provided with a servo motor 8, the servo motor 8 is provided with a transmission gear 9, the positioning plate 3 is provided with a through hole, the through hole of the positioning, the positioning plate 3 of the structure has the function of fixing the position of the ejector rod 4, so that the situation that the ejector rod 4 is inclined in the air suction cylinder 1 is prevented, the thread on the ejector rod 4 is separated from the transmission gear 9, the outer wall of the ejector rod 4 is provided with the thread, the end, far away from the positioning plate 3, of the ejector rod 4 is provided with the cutting groove 11, the thread gap on the ejector rod 4 is matched with the tooth-shaped gap on the transmission gear 9, the length of the ejector rod 4 is larger than the internal depth of the pricking pin 10, the ejector rod 4 of the structure extends into the pricking pin 10, meanwhile, the thread on the ejector rod 4 can be clamped on the transmission gear 9, so that the transmission gear 9 can drive the ejector rod 4 to rotate when rotating, the ejector rod 4 can be pushed towards the pricking pin 10, the end, far away from the ejector rod 4 of the cutting groove 11 is an inner oblique notch, the tissue in the opening of the puncture needle 10 can be cut, meanwhile, the cut tissue can be contained by the cutting grooves 11, the cut tissue is prevented from flowing to the outside, a rectangular opening is formed in the outer wall of the end, far away from the air suction cylinder 1, of the puncture needle 10, the end, far away from the air suction cylinder 1, of the puncture needle 10 is conical, one end of the puncture needle 10 is relatively sharp, and therefore the puncture needle can be easily punctured into the tissue.
The working principle is as follows: when the tissue sampling device for breast biopsy is used, firstly, a servo motor 8 on a motor fixing plate 2 is started, a transmission gear 9 on the servo motor 8 drives a mandril 4 to rotate, the mandril 4 is pushed towards a needle 10 to block an opening on the needle 10, then the position of an air exhaust tube 1 is fixed through a fixed air cylinder fixing ring 7, the needle 10 on the air exhaust tube 1 is aligned with a place to be punctured, the needle 10 is punctured into the tissue until the opening on the needle 10 moves to the place to be sampled, then the mandril 4 is driven by the servo motor 8 to move towards the opposite direction of the needle 10, so that the mandril 4 can be removed from the opening on the needle 10, then an air suction pump on an air suction pipe 5 is started to discharge the air in the air exhaust tube 1 through the air suction pump, then the air pressure in the needle 10 is reduced to suck the outside tissue into the opening, and then the mandril 4 is driven by the servo motor 8 to push towards the needle 10, the tissue is squeezed and cut through the cutting groove 11 until the cutting groove 11 is cut, then the puncture needle 10 of the device is taken out of the tissue, the puncture needle 10 is taken down from the air suction cylinder 1, the cutting groove 11 on the ejector rod 4 is exposed, and the tissue cut in the cutting groove 11 is taken out, so that a series of work is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A tissue sampling device for breast biopsy, comprising an aspiration cylinder (1), characterized in that: the air pump is characterized in that the outer wall of the air pump body (1) is provided with symmetrical air pump fixing rings (7), an air pump sealing plug (6) is arranged at the upper end of the air pump body (1), a puncture needle (10) is arranged at the lower end of the air pump body (1), a motor fixing plate (2) is arranged inside the air pump body (1), a positioning plate (3) is further arranged inside the air pump body (1), a servo motor (8) is arranged on the motor fixing plate (2), a transmission gear (9) is arranged on the servo motor (8), a through hole is formed in the positioning plate (3), a push rod (4) is arranged in the through hole of the positioning plate (3), the outer wall of the push rod (4) is provided with threads, a cutting groove (11) is formed in the far positioning plate (3) end of the push rod (.
2. The tissue sampling device of claim 1, wherein: the center point of the through hole on the positioning plate (3) and the center point of the puncture needle (10) are positioned on the same vertical line.
3. The tissue sampling device of claim 1, wherein: the thread gap on the top rod (4) is matched with the tooth-shaped gap on the transmission gear (9), and the length of the top rod (4) is larger than the inner depth of the puncture needle (10).
4. The tissue sampling device of claim 1, wherein: the air cylinder sealing plug (6) is provided with an air suction pipe (5), and the other end of the air suction pipe (5) is connected with an air suction pump.
5. The tissue sampling device of claim 1, wherein: the end of the far air suction cylinder (1) of the puncture needle (10) is conical.
6. The tissue sampling device of claim 1, wherein: the end of the cutting groove (11) far away from the top rod (4) is an inner oblique notch, and the inner depth of the cutting groove (11) is equal to the inner diameter of the notch of the outer wall of the puncture needle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809447.1U CN210249909U (en) | 2019-05-31 | 2019-05-31 | Tissue sampling device for breast biopsy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809447.1U CN210249909U (en) | 2019-05-31 | 2019-05-31 | Tissue sampling device for breast biopsy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210249909U true CN210249909U (en) | 2020-04-07 |
Family
ID=70039965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920809447.1U Expired - Fee Related CN210249909U (en) | 2019-05-31 | 2019-05-31 | Tissue sampling device for breast biopsy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210249909U (en) |
-
2019
- 2019-05-31 CN CN201920809447.1U patent/CN210249909U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210531 |