CN217066438U - Biopsy collector and biopsy system - Google Patents
Biopsy collector and biopsy system Download PDFInfo
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- CN217066438U CN217066438U CN202220189886.9U CN202220189886U CN217066438U CN 217066438 U CN217066438 U CN 217066438U CN 202220189886 U CN202220189886 U CN 202220189886U CN 217066438 U CN217066438 U CN 217066438U
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- negative pressure
- collector
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- sample
- transition space
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Abstract
The utility model discloses a biopsy collector and biopsy system, this biopsy collector belong to biopsy system's spare part. The biopsy collector comprises a collector main body with an inner cavity and a negative pressure interface arranged on the outer wall of the collector main body, wherein the inner cavity comprises a sample cavity used for collecting sample tissues, a negative pressure channel communicated with the sample cavity is arranged in the negative pressure interface, a filtering structure is arranged between the sample cavity and the negative pressure interface, and the negative pressure channel is obliquely arranged relative to the outer wall of the collector main body. In the utility model, because the negative pressure interface is arranged on the outer wall of the collector main body, the blood is easier to be discharged, which is also beneficial to reducing the blood residue in the sample cavity; because the outer wall slope setting of negative pressure passageway ratio collector main part, the flow path of negative pressure air current is more gentle, is favorable to the discharge of blood water fast more stable.
Description
Technical Field
The present invention relates to medical devices, and more particularly to a biopsy collector and biopsy system.
Background
Biopsy sampling procedures, such as breast biopsy procedures, employ biopsy devices that use negative pressure to draw sample tissue from a rotary-cut biopsy needle into a biopsy collector.
Some existing biopsy collectors are provided with a negative pressure interface at the tail part thereof to be connected with a negative pressure device, so that a sample assembly collected by a biopsy needle can be sucked into a sample cavity of the biopsy collector during operation, and blood water in the sample cavity can be sucked away, but the blood water in the sample cavity of the existing biopsy collector often has residues.
Disclosure of Invention
A primary object of the present invention is to provide a biopsy collector and biopsy device to reduce the residual blood in the sample chamber.
In order to achieve the above purpose, the utility model provides a technical scheme as follows:
a biopsy collector, comprising:
a collector body having an inner lumen comprising a sample lumen for collecting sample tissue;
the negative pressure interface is arranged on the outer wall of the collector main body, and a negative pressure channel communicated with the sample cavity is formed in the negative pressure interface; a filtering structure is arranged between the sample cavity and the negative pressure interface;
wherein the negative pressure passage is disposed obliquely with respect to an outer wall of the collector body.
Optionally, the negative pressure port has a first connection end connected to the collector body and a second connection end for receiving negative pressure, the second connection end is located at the periphery of the collector body, and the negative pressure channel extends from the first connection end to the second connection end.
Optionally, the sample chamber is directly communicated with the negative pressure channel, and the filter structure is directly disposed at a connection position of the negative pressure channel and the sample chamber.
Optionally, the inner cavity further includes a transition space disposed below the sample cavity, the transition space is located between the sample cavity and the negative pressure channel, and the filter structure is disposed between the sample cavity and the transition space
Optionally, the transition space has a flush bottom surface of the transition space, and the first connection end is flush with the bottom surface of the transition space.
Optionally, the transition space has a transition space bottom surface recessed downward, and the first connection end is connected to the lowest position of the transition space bottom surface.
Optionally, the collector body has a front end from which sample tissue enters the sample chamber and a rear end, the first connecting end being closer to the front end of the collector body than the second connecting end.
Optionally, the second connecting end of the negative pressure port is provided with a connecting portion, the connecting portion is integrally cylindrical or conical, and the outer wall of the connecting portion is provided with at least one annular positioning protrusion.
Optionally, in a direction from the second connection end to the first connection end, an outer diameter of the annular positioning protrusion gradually increases.
Optionally, the collector body comprises:
the inner cavity is formed in the shell, and the negative pressure port is arranged on the shell;
and the collecting box is arranged in the inner cavity, and the filtering structure is arranged on the collecting box.
Correspondingly, the utility model also provides a biopsy system, include:
a biopsy needle for collecting sample tissue;
a biopsy collector coupled to the biopsy needle for collecting a tissue sample collected by the biopsy needle, the biopsy collector being any of the biopsy collectors described above;
the negative pressure source is used for providing negative pressure and is connected with the negative pressure interface.
The negative pressure interface is arranged on the outer wall of the collector main body, so that the blood is discharged under the action of the dead weight of the blood and the negative pressure, and the residual of the blood in the sample cavity is reduced; because the negative pressure passageway sets up the outer wall slope of relative collector main part, the flow path of negative pressure air current is more gentle, is favorable to the discharge of blood water fast stable more.
Drawings
FIG. 1 is a schematic view of a biopsy collector according to the present invention;
FIG. 2 is a schematic drawing showing a cutaway view of the housing of the biopsy collector of FIG. 1;
FIG. 3 is a schematic structural view of the housing of FIG. 2;
FIG. 4 is a schematic view of the construction of the collecting case of FIG. 2;
fig. 5 is a schematic structural diagram of the biopsy system of the present invention.
The description of reference numerals in the examples includes:
a biopsy collector 100, a biopsy needle 200,
The collector body 110, the housing 111, the collection box 112, the inner cavity 101, the sample cavity 101a, the transition space 101b, the negative pressure port 120, the negative pressure channel 120a, the annular positioning protrusion 122, the bottom surface a of the transition space, the first connection end a, and the second connection end b.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
It is to be understood that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, like reference numerals refer to like elements throughout.
In the following embodiments, when referring to the descriptions of the orientation words "forward" and "rearward", it should be understood that the orientation words are descriptions of relative positions, wherein "forward" refers to a direction relatively closer to the orientation of the biopsy needle tip, and "rearward" refers to a direction relatively farther from the orientation of the biopsy needle tip and relatively closer to the holding portion.
The biopsy collector of the present invention, with reference to fig. 1-4, comprises a collector main body 110 having an inner cavity 101 and a negative pressure interface 120 disposed on the outer wall of the collector main body 110, wherein the inner cavity 101 includes a sample cavity 101a for collecting sample tissue, a negative pressure channel 120a communicated with the sample cavity 101a is formed in the negative pressure interface 120, and a filtering structure is disposed between the sample cavity 101a and the negative pressure interface 120; the negative pressure passage 120a is disposed obliquely with respect to the outer wall of the collector body 110.
The biopsy collector is part of a biopsy system, and accordingly, referring to fig. 5, the biopsy system further comprises a biopsy needle 200 for collecting sample tissue and a negative pressure source (not shown) for providing negative pressure, the biopsy collector 100 being connected to said biopsy needle 200, the biopsy collector 100 being adapted to collect a tissue sample collected by said biopsy needle 200, and the negative pressure source being connected to the negative pressure interface 120. Typically, the biopsy needle 200 is attached to the forward end of the biopsy collector 100. In fig. 5, only a partial structure of the biopsy needle is shown, and other parts of the biopsy needle such as the needle cannula assembly are not shown.
During operation, the sample tissue collected by the biopsy needle 200 is sucked into the sample cavity 101a under the action of negative pressure, and then blood enters the sample cavity, and is discharged along the negative pressure interface 120 under the action of the dead weight and the negative pressure of the blood, and because the negative pressure channel 120a is obliquely arranged relative to the outer wall of the collector main body 110, the flow path of the negative pressure air flow is more gentle, thereby being beneficial to discharging the blood more quickly and stably.
The utility model discloses in, because negative pressure interface 120 sets up in the bottom of collector main part 110, the bloody water is changeed in being discharged, just also is favorable to reducing the remaining of blood in the sample chamber.
In the above and following embodiments, the description of the terms "above" and "below" refers to the orientation relationship in the corresponding view of fig. 2, and the orientation relationship may be changed in the operative state or the non-operative state.
In some embodiments, the inner cavity 101 further includes a transition space 101b disposed below the sample cavity 101a, the transition space 101b is located between the sample cavity 101a and the negative pressure channel 120a, and the filter structure is disposed between the sample cavity 101a and the transition space 101b, and in other embodiments (not shown), the sample cavity directly communicates with the negative pressure channel, and the filter structure is directly disposed at a connection portion between the negative pressure channel and the sample cavity.
In some embodiments, referring collectively to fig. 2-4, the collector body 110 includes a housing 111 and a collection cartridge 112, the interior cavity 101 being formed within the housing 111, the negative pressure port 120 being disposed on the housing 111, the collection cartridge 112 being disposed in the interior cavity 101, and the filter structure being disposed on the collection cartridge 112. In practical implementations, the filter structure may include a plurality of filter holes disposed on the collection cassette 112. In other embodiments (not shown), a filter plate is disposed within the interior chamber of the collector body, the sample chamber is above the filter plate, the transition space is below the filter plate, and filter holes are disposed in the filter plate.
In some embodiments, referring to fig. 2 and 3 in combination, the negative pressure port 120 has a first connection end a connected to the collector body 110 and a second connection end b for receiving negative pressure, the second connection end b is located at the periphery of the collector body 110, and the negative pressure channel 120a extends from the first connection end a to the second connection end b.
In some embodiments, referring to fig. 2 and 3 in combination, the transition space 101b has a flush transition space bottom surface a, and the first connection end a is flush with the transition space bottom surface a, which is beneficial for further reducing the residual blood in the inner cavity 101.
In other embodiments, the transition space has a downwardly concave transition space bottom surface (not shown), and the first connection end a is connected to the lowest position of the transition space bottom surface, which is also beneficial to further reduce the residual blood in the inner cavity.
In some embodiments, referring to fig. 1, 2, 3, the collector body 110 has a front end from which sample tissue enters the sample chamber 101a and a rear end, the first connection end a being closer to the front end of the collector body 110 than the second connection end b. This kind of mode is favorable to improving the smooth and easy degree that the bloody water got into negative pressure passageway 120a from transition space 101b, promotes bloody water discharge efficiency.
In some embodiments, referring to fig. 1, 2 and 3, the second connection end b of the negative pressure port 120 is provided with a connection portion, the connection portion has an overall outer contour in a cylindrical or conical cylinder shape, and the outer wall of the connection portion is provided with at least one annular positioning protrusion 122.
When the structure is adopted, the negative pressure interface 120 and the negative pressure source can be connected by using the rubber tube, the rubber tube is directly sleeved on the connecting part, and the rubber tube can be positioned by the annular positioning bulge 122.
In fig. 3, the number of the annular set projections 122 is one; in practical implementation, the annular positioning protrusions 122 may also be at least two, and each annular positioning protrusion 122 is arranged along the axial direction of the connecting portion.
In some embodiments, referring to fig. 3, in a direction from the second connection end b to the first connection end a, an outer diameter of the annular positioning protrusion 122 gradually increases, and at this time, an outer surface of the annular positioning protrusion 122 is a conical surface or a similar conical surface, which has a guiding function, and is beneficial to improving the convenience of operation when connecting the rubber tube.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A biopsy collector, comprising:
a collector body having an inner lumen comprising a sample lumen for collecting sample tissue;
the negative pressure port is arranged on the outer wall of the collector main body, and a negative pressure channel communicated with the sample cavity is formed in the negative pressure port; a filtering structure is arranged between the sample cavity and the negative pressure interface;
wherein the negative pressure passage is disposed obliquely with respect to an outer wall of the collector body.
2. The biopsy collector of claim 1, wherein: the negative pressure interface is provided with a first connecting end connected with the collector main body and a second connecting end used for connecting negative pressure, the second connecting end is located on the periphery of the collector main body, and the negative pressure channel extends from the first connecting end to the second connecting end.
3. The biopsy collector of claim 2, wherein: the sample cavity is directly communicated with the negative pressure channel, and the filter structure is directly arranged at the connecting part of the negative pressure channel and the sample cavity;
or
The inner cavity further comprises a transition space arranged below the sample cavity, the transition space is located between the sample cavity and the negative pressure channel, and the filtering structure is arranged between the sample cavity and the transition space.
4. The biopsy collector of claim 2, wherein: the inner cavity further comprises a transition space arranged below the sample cavity, the transition space is located between the sample cavity and the negative pressure channel, the filtering structure is arranged between the sample cavity and the transition space, the transition space is provided with a flush transition space bottom surface, and the first connecting end is flush with the transition space bottom surface.
5. The biopsy collector of claim 2, wherein: the inner cavity further comprises a transition space arranged below the sample cavity, the transition space is located between the sample cavity and the negative pressure channel, the filtering structure is arranged between the sample cavity and the transition space, the transition space is provided with a transition space bottom surface which is concave downwards, and the first connecting end is connected to the lowest position of the transition space bottom surface.
6. The biopsy collector of claim 5, wherein: the collector body has a front end from which sample tissue enters the sample chamber and a rear end, the first connection end being closer to the front end of the collector body than the second connection end.
7. The biopsy collector of claim 2, wherein: the second connecting end of the negative pressure interface is provided with a connecting part, the whole outer contour of the connecting part is cylindrical or conical, and the outer wall of the connecting part is provided with at least one annular positioning bulge.
8. The biopsy collector of claim 7, wherein: from the second connecting end to the first connecting end, the outer diameter of the annular positioning bulge is gradually increased.
9. The biopsy collector of claim 1, wherein the collector body comprises:
the inner cavity is formed in the shell, and the negative pressure port is arranged on the shell;
a collection box disposed in the inner cavity, the filter structure disposed on the collection box.
10. A biopsy system, comprising:
a biopsy needle for collecting sample tissue;
a biopsy collector coupled to the biopsy needle for collecting a tissue sample taken by the biopsy needle, the biopsy collector being as claimed in any one of claims 1-9;
the negative pressure source is used for providing negative pressure and is connected with the negative pressure interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189886.9U CN217066438U (en) | 2022-01-24 | 2022-01-24 | Biopsy collector and biopsy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189886.9U CN217066438U (en) | 2022-01-24 | 2022-01-24 | Biopsy collector and biopsy system |
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| CN217066438U true CN217066438U (en) | 2022-07-29 |
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| CN202220189886.9U Active CN217066438U (en) | 2022-01-24 | 2022-01-24 | Biopsy collector and biopsy system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115462842A (en) * | 2022-09-30 | 2022-12-13 | 哈尔滨理工大学 | Rotary-cut mammary gland biopsy device with water conservancy diversion function |
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2022
- 2022-01-24 CN CN202220189886.9U patent/CN217066438U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115462842A (en) * | 2022-09-30 | 2022-12-13 | 哈尔滨理工大学 | Rotary-cut mammary gland biopsy device with water conservancy diversion function |
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