CN220212976U - Joint connecting plate, joint assembly, biopsy host and biopsy system - Google Patents
Joint connecting plate, joint assembly, biopsy host and biopsy system Download PDFInfo
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- CN220212976U CN220212976U CN202321695971.3U CN202321695971U CN220212976U CN 220212976 U CN220212976 U CN 220212976U CN 202321695971 U CN202321695971 U CN 202321695971U CN 220212976 U CN220212976 U CN 220212976U
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- connecting plate
- mounting hole
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- 238000001574 biopsy Methods 0.000 title claims abstract description 45
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 14
- 238000007789 sealing Methods 0.000 description 7
- 210000000481 breast Anatomy 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a joint connecting plate, a joint assembly, a biopsy host and a biopsy system, and belongs to the technical field of medical instruments. The connector solves the problems that the connection is inconvenient and the connector is not installed in place when the existing connector assembly is connected. The joint connecting plate comprises a connecting plate main body, wherein a mounting hole for mounting a first joint and a connecting structure for connecting with a biopsy host are arranged on the connecting plate main body, and a limiting structure for limiting the first joint is arranged in the mounting hole. The connecting structure is favorable for realizing the quick connection of the biopsy needle and the vacuum barrel, and has convenient connection, good connection stability and high reliability.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and relates to a joint connecting plate, a joint assembly, a biopsy host and a biopsy system.
Background
Biopsy devices are commonly used to remove diseased tissue from a patient for pathological examination to assist in clinical diagnosis of the disease. For breast lesions, a breast biopsy system is mainly adopted, the biopsy needle is punctured to an operation point position under the guidance of image equipment (such as B ultrasonic), then the biopsy needle is used for carrying out partial or complete rotary cutting on focus tissues in a mechanical movement mode, and finally the rotary-cut tissue specimens are conveyed to the outside through negative pressure, so that the breast biopsy system is used for film-making treatment and pathological detection analysis diagnosis.
The existing pipeline is connected to the lower side of the host, and medical staff is provided with blind clothes, so that the installation is inconvenient; the existing joint is not guided when being screwed in, so that the joint is easy to be screwed in the axial direction, an operator can mistakenly screw the joint, the joint cannot be installed in place, negative pressure transmission and waste liquid leakage can be influenced, the operation is influenced, and the infection risk exists; operators feel different, the situation that the screw is too tight to pull out can occur, the screw threads and the conical surface are easy to damage, and the service life of the joint is influenced.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides a joint connecting plate which is convenient for connecting a biopsy needle with a biopsy host.
A joint assembly, a biopsy host and a biopsy system comprising the joint connection plate are also provided.
The aim of the utility model can be achieved by the following technical scheme:
the joint connecting plate comprises a connecting plate main body, wherein a mounting hole for mounting a first joint and a connecting structure for connecting with a biopsy host are arranged on the connecting plate main body, and a limiting structure for limiting the first joint is arranged in the mounting hole. The first connector is limited in the mounting hole through the limiting structure, so that the purpose of mounting the first connector on the connecting plate main body is achieved.
In the above-mentioned joint connection board, limit structure includes axial limit structure, axial limit structure is including locating the first locating surface in the mounting hole, carries out axial location through first locating surface when first joint is connected to the position. The first connector is provided with a second positioning surface which is abutted against the first positioning surface when the first connector is connected in place.
In the above-mentioned joint connection board, the limit structure includes a circumferential limit structure, the circumferential limit structure includes a limit groove/limit protrusion that is disposed on an inner wall of the mounting hole and extends axially. The first connector is provided with a limit protrusion/limit groove which is matched with the limit groove/limit protrusion and extends axially, and the limit protrusion extends into the limit groove opposite to the limit protrusion when the first connector is connected to the position. The first connector is circumferentially limited by the axially extending limiting groove and the limiting protrusion, so that the first connector is prevented from rotating circumferentially in the connecting process.
In the connector connecting plate, the connecting plate main body is further provided with a positioning ring hole coaxially arranged with the mounting hole, and the positioning ring hole is matched with the first positioning surface to axially position the first positioning surface when the first connector is connected in place. The first joint is coaxially provided with a connecting pipe part penetrating in the positioning ring hole, one end of the connecting pipe part extending out of the positioning ring hole is provided with an annular bulge, a first pipeline sleeved on the connecting pipe part forms a limiting part at the annular bulge, and the outer diameter of the limiting part is larger than the aperture of the positioning ring hole.
In the connector connecting plate, the connecting structure comprises a connecting plate part arranged on the connecting plate main body, and a locking hole is arranged on the connecting plate part.
In the connector connecting plate, the connecting structure comprises a lug arranged on the connecting plate main body.
In the connector connecting plate, a slot extending along the axial direction of the mounting hole is formed in the connecting plate main body, and the mounting hole and the positioning ring hole are respectively communicated with the slot. The purpose of setting up the fluting is in order to be convenient for put into the holding ring hole with the connecting pipe portion that cup joints first pipeline.
The joint assembly comprises the joint connecting plate and the first joint which is matched with the joint connecting plate, wherein the first joint is arranged in the mounting hole through a limiting structure, one end of the first joint is connected with a vacuum barrel of the biopsy host through a first pipeline, and the other end of the first joint is connected with the biopsy needle.
The biopsy host comprises a host shell, a vacuum barrel and the connector assembly, wherein the host shell is provided with a mounting position for mounting a connector connecting plate, and the vacuum barrel is connected with a first connector and a negative pressure source respectively.
When the connection structure of the joint connection plate comprises a connection plate part arranged on the connection plate main body, the connection plate part is provided with a locking hole, the installation position of the host is the surface of the host shell or an installation cavity matched with the joint connection plate and arranged on the host shell, and the joint connection plate is attached to the host shell or is positioned in the installation cavity. When the joint connecting plate adopts the lug to connect, the installation position is a clamping groove which is positioned at the upper part of the host shell and matched with the lug.
The biopsy system comprises the biopsy host and the biopsy needle, wherein the biopsy needle comprises a second pipeline and a second connector, and the second connector is connected with the first connector.
And a guide structure for guiding the second joint when the first joint is connected with the second joint is arranged between the first joint and the second joint. Due to the guide structure, the second connector can be guided in the axial direction during connection, the second connector is prevented from being twisted, and the reliability of connection is improved. Specifically, be equipped with the connecting hole on first joint, be equipped with the internal thread in the connecting hole, be equipped with the connecting portion that is used for stretching into the connecting hole on the second joint, be equipped with on the connecting portion with internal thread complex external screw thread. The connecting portion is in threaded connection with the connecting hole, so that the first connector and the second connector are connected.
The guide structure comprises a guide ring groove arranged at the outer end of the connecting hole, the guide ring groove and the connecting hole are coaxially arranged, the inner diameter of the guide ring groove is larger than the outer diameter of the connecting portion, and when the connecting portion is connected, the guide ring groove guides and limits the connecting portion to prevent the connecting portion from being twisted.
The connecting hole is internally provided with a connecting pipe part coaxially arranged, the connecting pipe part is provided with an outer conical surface, the second joint is internally provided with a conical hole, and the outer conical surface is in sealing fit with the inner wall of the conical hole when the connecting part is connected with the connecting hole. The sealing effect can be improved by the matching mode of the outer conical surface and the conical hole.
Further, the second connector comprises a connecting sleeve and a connector body which is in rotary fit in the connecting sleeve, the connecting part is arranged on the connecting sleeve, the connector body and the connecting part are coaxially arranged, and the conical hole is coaxially arranged in the connector body. Because adapter sleeve and joint body normal running fit, the rotation of adapter sleeve can not drive the joint body rotation during the connection, can not cause the second pipeline winding, reduces the wearing and tearing of outer conical surface and taper hole inner wall simultaneously.
Compared with the prior art, the utility model has the following advantages:
because the joint connecting plate is positioned at the upper part of the host shell, the condition that blind installation is not in place is avoided, and meanwhile, the joint connecting plate is convenient to replace; a guide ring groove is arranged on the first joint to guide the second joint, so that the condition of improper installation can not occur; the outer conical surface is in sealing fit with the inner wall of the conical hole during connection, and the second joint is in sealing connection on the premise that the second joint is not screwed in too tightly, so that the second joint is convenient to unscrew; its structural design is with low costs, and the pipeline installation is more convenient, and sealing performance is good, makes user experience better.
Drawings
Fig. 1 is a schematic view of a part of the structure of a biopsy host according to the first embodiment.
Fig. 2 is a schematic structural view of a further part of a biopsy host according to the first embodiment.
Fig. 3 is a top view of a vacuum line connection mechanism according to a first embodiment.
Fig. 4 is a cross-sectional view of a vacuum line connection mechanism provided in accordance with a first embodiment.
Fig. 5 is a schematic structural diagram of a connector connecting plate and a first connector according to a first embodiment.
Fig. 6 is a schematic view of a joint connection board and a first joint according to a first embodiment.
Fig. 7 is a schematic view of a part of the structure of a biopsy host according to the second embodiment.
Fig. 8 is a schematic structural view of a joint connection board according to the second embodiment.
Fig. 9 is a schematic view of still another structure of a joint connection board according to the second embodiment.
In the figure, a host shell; 1. a connecting plate body; 11. a mounting hole; 12. positioning ring holes; 13. a first positioning surface; 14. a limit groove; 15. a lug; 16. a connection plate portion; 17. a locking hole; 18. slotting; 2. a first joint; 20. a first pipeline; 21. a connection hole; 22. an internal thread; 23. a guide ring groove; 24. a connecting pipe part; 25. a second positioning surface; 26. a connecting pipe section; 27. an annular protrusion; 28. a limit protrusion; 3. a second joint; 30. a second pipeline; 301. connecting sleeves; 302. a joint body; 31. a connection part; 32. an external thread; 33. conical bore.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
The joint connecting plate shown in fig. 3-6 comprises a connecting plate main body 1 arranged at the upper part of a main machine shell a, wherein a mounting hole 11 for mounting a first joint 2 and a connecting structure for connecting with a biopsy main machine are arranged on the connecting plate main body 1, a limiting structure for limiting the first joint 2 is arranged in the mounting hole 11, and the first joint 2 is limited in the mounting hole 11 through the limiting structure, so that the purpose of mounting the first joint 2 on the connecting plate main body 1 is achieved.
The limit structure comprises an axial limit structure and a circumferential limit structure. As shown in fig. 5 and 6, the axial limiting structure includes a first positioning surface 13 provided in the mounting hole 11 and a second positioning surface 25 provided on the first joint 2, the second positioning surface 25 being abutted against the first positioning surface 13 when the first joint 2 is connected in place.
As shown in fig. 5 and 6, the connecting plate main body 1 is further provided with a positioning ring hole 12 coaxially arranged, the first joint 2 is coaxially provided with a connecting pipe portion 26 penetrating through the positioning ring hole 12, one end of the connecting pipe portion 26 extending out of the positioning ring hole 12 is provided with an annular protrusion 27, the first pipeline 20 sleeved on the connecting pipe portion 26 forms a limiting portion at the annular protrusion 27, and the outer diameter of the limiting portion is larger than the aperture of the positioning ring hole 12.
As shown in fig. 5 and 6, the circumferential limit structure includes a limit groove 14 disposed on the inner wall of the mounting hole 11 and extending axially, and a limit protrusion 28 disposed on the first connector 2 and extending axially, wherein the limit protrusion 28 is disposed opposite to the limit groove 14, and the limit protrusion 28 extends into the limit groove 14 opposite thereto when the first connector 2 is connected in place. The first connector 2 is circumferentially limited by the axially extending limiting groove 14 and the limiting protrusion 28, so that the first connector 2 is prevented from rotating circumferentially in the connecting process.
In this embodiment, as shown in fig. 3, 5 and 6, the connection structure includes a connection plate portion 16 provided on the connection plate main body 1, a locking hole 17 is provided on the connection plate portion 16, a threaded hole opposite to the locking hole 17 is provided on the host housing a, and the connection plate main body 1 is fixed on the host housing a by a screw penetrating into the locking hole 17 and connected with the threaded hole.
As shown in fig. 5 and 6, in order to facilitate the insertion of the connection pipe portion 26, which is fitted with the first pipe 20, into the positioning ring hole 12, the connection plate body 1 is provided with a groove 18 extending axially along the mounting hole 11, and the mounting hole 11 and the positioning ring hole 12 are respectively communicated with the groove 18.
As shown in fig. 5 and 6, the joint assembly comprises the joint connecting plate and the first joint 2 adapted to the joint connecting plate, wherein the first joint 2 is arranged in the mounting hole 11 through a limiting structure, one end of the first joint 2 is connected with a vacuum barrel of a biopsy host through a first pipeline 20, and the other end of the first joint 2 is connected with a biopsy needle.
The biopsy host as shown in fig. 1 and 2 comprises a host shell a, a vacuum barrel arranged in the host shell a and the connector assembly, wherein an installation position for installing a connector connecting plate is arranged on the host shell a, the installation position in the embodiment is an installation cavity which is arranged on the host shell a and is matched with the connecting plate main body 1, and the connecting plate main body 1 is positioned in the installation cavity and is locked through screws.
The vacuum barrel is connected with the first joint 2 and the negative pressure source respectively.
The biopsy system comprises the biopsy host and the biopsy needle, and the biopsy needle comprises a second pipeline 30 and a second joint 3, and the second joint 3 is connected with the first joint 2 as shown in figures 1-4.
As shown in fig. 3 and 4, a guide structure for guiding the second joint 3 when the first joint 2 is connected to the second joint 3 is provided between the first joint 2 and the second joint 3. Due to the guide structure, the second connector 3 can be guided in the axial direction during connection, the second connector 3 is prevented from being twisted, and the reliability of connection is improved. Specifically, the first joint 2 is provided with a connecting hole 21, the connecting hole 21 is internally provided with an internal thread 22, the second joint 3 is provided with a connecting part 31 for extending into the connecting hole 21, and the connecting part 31 is provided with an external thread 32 matched with the internal thread 22. The connection portion 31 is screw-coupled with the connection hole 21, thereby achieving connection of the first joint 2 and the second joint 3.
As shown in fig. 4, the guiding structure includes a guiding ring groove 23 provided at the outer end of the connecting hole 21, the guiding ring groove 23 is coaxially provided with the connecting hole 21, the inner diameter of the guiding ring groove 23 is larger than the outer diameter of the connecting portion 31, and when the connecting portion 31 is connected, the guiding ring groove 23 guides and limits the connecting portion 31, so as to prevent the connecting portion 31 from being twisted.
As shown in fig. 4, the connecting hole 21 has a coaxially arranged connecting tube portion 24, the connecting tube portion 24 has an outer conical surface, the second joint 3 has a conical hole 33 therein, and the outer conical surface is in sealing fit with the inner wall of the conical hole 33 when the connecting portion 31 is connected with the connecting hole 21. The sealing effect can be improved by the way of the cooperation of the outer conical surface and the conical hole 33.
As shown in fig. 4, the second connector 3 includes a connecting sleeve 301 and a connector body 302 rotatably fitted in the connecting sleeve 301, a connecting portion 31 is provided on the connecting sleeve 301, the connector body 302 is coaxially provided with the connecting portion 31, and a conical hole 33 is coaxially provided in the connector body 302. Because the connecting sleeve 301 is in rotary fit with the joint body 302, the joint body 302 is not driven to rotate by the rotation of the connecting sleeve 301 during connection, the second pipeline 30 is not wound, and meanwhile abrasion of the outer conical surface and the inner wall of the conical hole 33 is reduced.
Example two
The structural principle of this embodiment is basically the same as that of the first embodiment, except that, as shown in fig. 7, 8 and 9, an installation cavity matched with the connection board main body 1 is provided at the upper opening of the main body housing a, a clamping groove is provided at the side of the installation cavity, and a lug 15 matched with the clamping groove is provided on the connection board main body 1.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides a connect connecting plate, its characterized in that, including installing in the connecting plate main part of host computer shell (a) upper portion department, be equipped with the mounting hole that is used for installing first joint and be used for the connection structure who is connected with the biopsy host computer in the connecting plate main part, be equipped with in the mounting hole and be used for carrying out spacing limit structure to first joint.
2. The connector connection plate of claim 1, wherein the limit structure comprises an axial limit structure including a first locating surface disposed within the mounting hole, the first locating surface being axially located when the first connector is connected in place.
3. The connector coupling plate of claim 1 or 2, wherein the limit structure comprises a circumferential limit structure comprising an axially extending limit groove/limit projection provided in the inner wall of the mounting hole.
4. The connector connection plate according to claim 2, wherein the connection plate body is further provided with a positioning ring hole coaxially arranged with the mounting hole, and the positioning ring hole cooperates with the first positioning surface to axially position the first positioning surface when the first connector is connected in place.
5. The connector connection plate according to claim 1, wherein the connection structure comprises a connection plate portion provided on the connection plate body, and a locking hole is provided on the connection plate portion.
6. The connector coupling plate of claim 1, wherein the coupling structure comprises lugs provided on the coupling plate body.
7. The connector connection plate according to claim 1, wherein the connection plate body is provided with a slot extending axially along the mounting hole, and the mounting hole and the positioning ring hole are respectively communicated with the slot.
8. A joint assembly, characterized by comprising the joint connecting plate of any one of claims 1-7 and the first joint adapted to the joint connecting plate, wherein the first joint is arranged in a mounting hole through a limiting structure, one end of the first joint is connected with a vacuum barrel of a biopsy host through a first pipeline, and the other end of the first joint is connected with a biopsy needle.
9. A biopsy host machine, comprising a host machine housing, a vacuum barrel and the joint assembly of claim 8, wherein the host machine housing is provided with a mounting position for mounting a joint connection plate, and the vacuum barrel is respectively connected with a first joint and a negative pressure source.
10. A biopsy system comprising the biopsy host of claim 9 and a biopsy needle comprising a second conduit and a second connector, the second connector coupled to the first connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695971.3U CN220212976U (en) | 2023-06-30 | 2023-06-30 | Joint connecting plate, joint assembly, biopsy host and biopsy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695971.3U CN220212976U (en) | 2023-06-30 | 2023-06-30 | Joint connecting plate, joint assembly, biopsy host and biopsy system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220212976U true CN220212976U (en) | 2023-12-22 |
Family
ID=89185291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321695971.3U Active CN220212976U (en) | 2023-06-30 | 2023-06-30 | Joint connecting plate, joint assembly, biopsy host and biopsy system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220212976U (en) |
-
2023
- 2023-06-30 CN CN202321695971.3U patent/CN220212976U/en active Active
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