CN215821003U - Cartilage specimen minimally invasive sampling device - Google Patents
Cartilage specimen minimally invasive sampling device Download PDFInfo
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- CN215821003U CN215821003U CN202120380413.2U CN202120380413U CN215821003U CN 215821003 U CN215821003 U CN 215821003U CN 202120380413 U CN202120380413 U CN 202120380413U CN 215821003 U CN215821003 U CN 215821003U
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Abstract
The utility model discloses a minimally invasive sampling device for a cartilage specimen, which comprises a sampling structure and a frame body for supporting the sampling structure, wherein the sampling structure is slidably arranged on a cross beam of the frame body; the sampling structure includes drive assembly, transmission assembly and sampling tube, drive assembly is through the drive assembly changes the sampling direction of sampling tube. According to the utility model, the sampling structure is arranged on the frame body in a sliding manner, so that the sampling structure can change the horizontal position of sampling, and the sampling direction of the sampling tube is changed through the driving assembly and the transmission assembly, so that tissues in different angle directions can be conveniently, quickly and accurately sampled.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a minimally invasive sampling device for a cartilage specimen.
Background
In open joint surgery, bone tissue in the target area needs to be sampled for further detection and processing, including molecular biological and histological analysis, so stable modeling and sampling are critical to assessing experimental processing factors and subsequent analysis.
The existing biopsy puncture needle achieves the purpose of minimally invasive sampling by manually knocking the end part of the sampling needle, but is used for composite tissues with different tissue hardness, structures and components, such as cartilage-calcified layer-subchondral bone, the artificial sampling is difficult, the integrity of the tissue structure is difficult to guarantee, the deviation of an experimental model is easily caused, the experimental result is greatly influenced, and the deviation in the material taking process directly influences the experimental result.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a minimally invasive sampling device for a cartilage specimen, which can be used for conveniently, quickly and accurately sampling tissues in different angle directions.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a minimally invasive sampling device for a cartilage specimen comprises a sampling structure and a frame body supporting the sampling structure, wherein the sampling structure is slidably mounted on a cross beam of the frame body;
the sampling structure includes drive assembly, transmission assembly and sampling tube, drive assembly is through the drive assembly changes the sampling direction of sampling tube.
Further, drive assembly includes the motor and with the speed reducer that the motor links to each other, the motor drive the sampling tube sample.
Further, the transmission assembly comprises a turning transmission sleeve and a transmission flexible shaft which is rotatably arranged in the turning transmission sleeve, the transmission flexible shaft is connected with the speed reducer and the sampling tube, and the motor drives the transmission flexible shaft to change the sampling direction of the sampling tube.
Furthermore, the turning transmission sleeve comprises a fixed sleeve, a movable sleeve and a connecting piece for connecting the fixed sleeve and the movable sleeve, wherein the connecting piece comprises a first connecting plate and a second connecting plate, and the first connecting plate is rotatably connected with the second connecting plate.
Further, the first connecting plate and the second connecting plate are rotatably connected through a rotating part.
Furthermore, the turning transmission sleeve also comprises a protective sleeve arranged outside the connecting piece.
Further, the support body is still including locating the perpendicular roof beam at crossbeam both ends, slidable mounting has clamping device on the perpendicular roof beam, clamping device pass through the retaining member with it connects to erect the roof beam.
Furthermore, the sampling tube top is opened has the bone opening of getting of axial extension, it distributes and has the tooth to get bone open-ended axial extension's both sides.
Furthermore, the teeth on the two sides of the bone taking opening are symmetrically arranged and extend along the circumferential direction of the tube body.
It is thus clear that the technical scheme who provides by above this application embodiment sets up on the support body through sliding the sample structure for the horizontal position of sample structure can alternate the sample, still with the clamping device slidable mounting of centre gripping object in the both sides of support body crossbeam, can accurate height position and the horizontal position of taking the sample object like this, and change the sample direction of sampling tube through drive assembly drive transmission assembly, like this can convenient and fast and accurate sample the tissue of different angle directions.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a minimally invasive sampling device for a cartilage specimen according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the sampling structure of a minimally invasive sampling device for cartilage specimens, according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the direction-changing driving sleeve according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of the bone-removing opening according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example one
This embodiment of the application provides a can convenient and fast and accurate carry out the cartilage sample wicresoft sampling device of taking a sample to the tissue of different angle directions, as shown in fig. 1, cartilage sample wicresoft sampling device includes sample structure 1 and support sample structure 1's support body 2, sample structure 1 slidable mounting be in on support body 2's the crossbeam 21, sample structure 1 can adjust horizontal sample position on crossbeam 21 at will like this, makes things convenient for the operator to take a sample.
Further, as shown in fig. 1, the frame body 2 further includes vertical beams 22 disposed at two ends of the cross beam 21, a clamping device 23 is slidably mounted on the vertical beams 22, and the clamping device 23 is connected to the vertical beams 22 through a locking member 24. Wherein clamping device 23 is used for the centre gripping to treat the sample thing, and retaining member 24 can not only lock the sample thing of treating that clamping device 23 held, can also be in erect the roof beam 22 and go up vertical direction and slide to the relative height between the sample structure 1 of convenient adjustment and the sample thing of treating to adapt to bone and cartilage of different shapes and size.
In this embodiment, as shown in fig. 2, the sampling structure 1 includes a driving component 3, a transmission component 4 and a sampling tube 5, and the driving component 3 drives the transmission component 4 to change the sampling direction of the sampling tube 5. Wherein drive assembly 3 include motor 31 and with the speed reducer 32 that motor 31 links to each other, motor 31 drive sampling tube 5 samples to the angle of convenient to adjust sampling tube 5 can be to taking a sample to different positions, makes to sample convenient, swift, and can guarantee the integrality of organizing the microstructure.
Wherein, transmission assembly 4 includes diversion transmission sleeve 41 and rotatable setting and is in transmission flexible axle 42 in diversion transmission sleeve 41, transmission flexible axle 42 is connected speed reducer 32 with sampling tube 5, specifically, motor 31 is through the drive transmission flexible axle 42, transmission flexible axle 42 drives diversion transmission sleeve 41 redirecting, and then change diversion transmission sleeve 41 and connect the sampling direction of sampling tube 5.
As shown in fig. 3, the direction-changing driving sleeve 41 comprises a fixed sleeve 411, a movable sleeve 412 and a connecting member 413 for connecting the fixed sleeve 411 and the movable sleeve 412, wherein the connecting member 413 comprises a first connecting plate 4131 and a second connecting plate 4132, and the first connecting plate 4131 is rotatably connected with the second connecting plate 4132. In this embodiment, the fixing sleeve 411 and the driving assembly 3 are always relatively stationary, when the driving assembly 3 drives the flexible transmission shaft 42, the flexible transmission shaft 42 drives the movable sleeve 412 to rotate relative to the fixing sleeve 411, and since the fixing sleeve 411 and the movable sleeve 412 are connected by the connecting member 413 including the first connecting member 413 and the second connecting member 413, the second connecting member 4132 rotates relative to the first connecting member 4131 by the connecting member 414 when the flexible transmission shaft 42 rotates.
As shown in fig. 2, the direction-changing driving sleeve 41 further includes a protective sleeve 415 disposed outside the connecting member 413, for preventing foreign matters from entering the direction-changing driving sleeve 41 during use and affecting the service life thereof.
As shown in fig. 4, the top end of the sampling tube 5 is provided with an axially extending bone-taking opening 51, teeth 52 are distributed on two axially extending sides of the bone-taking opening 51, wherein the teeth 52 on two sides of the bone-taking opening 51 are symmetrically arranged, and the teeth 52 extend along the circumferential direction of the tube body to realize drilling and sampling.
Through the above embodiments, it can be seen that when the minimally invasive sampling device for cartilage specimens is used for sampling, firstly, an object to be sampled is placed in the clamping device 23, then, the object to be sampled is tightly clamped in the clamping device 23 through the locking member 24, and the locking member 24 is slid on the vertical beam 22 of the frame body 2 to drive the clamping device 23 to slide to a proper height; after reaching the proper height, the frontal position of the sampling structure 1 on the cross beam 21 of the frame body 2 is adjusted, namely, the sampling structure 1 is adjusted to a proper horizontal position, after the position is fixed, the driving component 3 in the sampling structure 1 is controlled to start to operate, the driving component 3 changes the sampling direction of the sampling tube 5 by driving the transmission component 4, specifically, the motor 31 drives the transmission flexible shaft 42, the transmission flexible shaft 42 drives the second connecting piece 4132 in the direction-changing transmission sleeve 41 to rotate relative to the first connecting piece 4131 through the connecting piece 414 so as to change the direction, then the sampling direction of the sampling tube 5 connected with the direction-changing transmission sleeve 41 is changed, meanwhile, the top end of the sampling tube 5 is provided with an axially extending bone taking opening 51, teeth 52 are distributed on two sides of the axial extension of the bone taking opening 51, so that the drilling action can be realized for sampling.
The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The minimally invasive sampling device for the cartilage specimen is characterized in that: the device comprises a sampling structure (1) and a frame body (2) supporting the sampling structure (1), wherein the sampling structure (1) is slidably mounted on a cross beam (21) of the frame body (2);
sample structure (1) includes drive assembly (3), drive assembly (4) and sampling tube (5), drive assembly (3) is through the drive assembly (4) change the sample direction of sampling tube (5).
2. The minimally invasive sampling device for the cartilage specimen according to claim 1, characterized in that: the drive assembly (3) comprises a motor (31) and a speed reducer (32) connected with the motor (31), and the motor (31) drives the sampling tube (5) to sample.
3. The minimally invasive sampling device for the cartilage specimen according to claim 2, characterized in that: transmission subassembly (4) are in including diversion transmission cover (41) and rotatable setting transmission flexible axle (42) in diversion transmission cover (41), transmission flexible axle (42) are connected speed reducer (32) with sampling tube (5), motor (31) are through the drive transmission flexible axle (42) change the sample direction of sampling tube (5).
4. The minimally invasive sampling device for the cartilage specimen according to any one of claims 1 to 3, characterized in that: the direction-changing transmission sleeve (41) comprises a fixed sleeve (411), a movable sleeve (412) and a connecting piece (413) for connecting the fixed sleeve (411) and the movable sleeve (412), the connecting piece (413) comprises a first connecting plate (4131) and a second connecting plate (4132), and the first connecting plate (4131) is rotatably connected with the second connecting plate (4132).
5. The minimally invasive sampling device for the cartilage specimen according to claim 4, characterized in that: the first connecting plate (4131) and the second connecting plate (4132) are rotatably connected through a rotating member (414).
6. The minimally invasive sampling device for the cartilage specimen according to claim 4, characterized in that: the direction-changing transmission sleeve (41) further comprises a protective sleeve (415) arranged outside the connecting piece (413).
7. The minimally invasive sampling device for the cartilage specimen according to claim 1, characterized in that: support body (2) are still including locating perpendicular roof beam (22) at crossbeam (21) both ends, slidable mounting has clamping device (23) on perpendicular roof beam (22), clamping device (23) through retaining member (24) with perpendicular roof beam (22) are connected.
8. The minimally invasive sampling device for the cartilage specimen according to claim 1, characterized in that: the bone sampling device is characterized in that an axially extending bone taking opening (51) is formed in the top end of the sampling tube (5), and teeth (52) are distributed on two sides of the axially extending bone taking opening (51).
9. The minimally invasive sampling device for the cartilage specimen according to claim 8, characterized in that: the teeth (52) on two sides of the bone taking opening (51) are symmetrically arranged, and the teeth (52) extend along the edge direction of the bone taking opening (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120380413.2U CN215821003U (en) | 2021-02-20 | 2021-02-20 | Cartilage specimen minimally invasive sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120380413.2U CN215821003U (en) | 2021-02-20 | 2021-02-20 | Cartilage specimen minimally invasive sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215821003U true CN215821003U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120380413.2U Active CN215821003U (en) | 2021-02-20 | 2021-02-20 | Cartilage specimen minimally invasive sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215821003U (en) |
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2021
- 2021-02-20 CN CN202120380413.2U patent/CN215821003U/en active Active
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