CN216090605U - Can select dissection needle device of large-scale benthonic animal of little individual - Google Patents
Can select dissection needle device of large-scale benthonic animal of little individual Download PDFInfo
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- CN216090605U CN216090605U CN202122574163.9U CN202122574163U CN216090605U CN 216090605 U CN216090605 U CN 216090605U CN 202122574163 U CN202122574163 U CN 202122574163U CN 216090605 U CN216090605 U CN 216090605U
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Abstract
The utility model discloses a dissection needle device capable of selecting small-individual large-size benthonic animals, and belongs to the technical field of devices for dissection of the benthonic animals. The two ends of the outer wall of the handle are respectively provided with external threads, one end of the connecting cylinder is provided with a threaded port, the other end of the connecting cylinder is provided with a threaded convex column, the threaded port is in threaded connection with one end of the handle, the fixing button cover is provided with a central hole, the inner wall of one end of the central hole is provided with internal threads, the front end of the needle head penetrates through the central hole in the fixing button cover, the rear end of the needle head is tightly inserted in the central hole of the fixing button cover, and the handle is in threaded connection with the fixing button cover and tightly presses the needle head; the length of the needle is L1, L1 is 4.5-5.5cm, the diameter of the needle body is D1, D1 is 0.5mm, the length of the handle is L2, L2 is 18-30cm, the diameter of the handle is D2, and D2 is 1-1.5 cm. The utility model is used for selecting and dissecting small-individual large-scale benthonic animals.
Description
Technical Field
The utility model belongs to the technical field of instruments for benthonic animal dissection, and relates to a dissection needle device capable of selecting small individual large benthonic animals.
Background
The indoor identification work of large benthonic animals is often the selection and dissection work without an dissection mirror. However, due to the morphological characteristics of some species, such as chironomidae, the adult size is small, mostly below 5mm, and rarely over 10 mm. When identifying such species, we often need to dissect their body to more accurately determine the morphological features of the upper antennal, circumflex, maxilla, etc. of their heads.
However, most of the dissecting needles commonly used in laboratories at present are made of stainless steel, the handle length is about 8.5cm, the needle head length is about 5cm, and the needle body diameter is about 1.5mm, the needle head of the dissecting needle is even larger than the head of a species, the original morphological characteristics of a sample are often damaged in use, and the needle head is inconvenient to replace.
Meanwhile, the needle body of the dissecting needle is thick, and the dissecting needle is not suitable for smaller organisms of the individual. In addition, some special straight-pointed dissecting needles suitable for insect experiments have short handles, can not be adjusted according to the required length, have relatively small diameters, and are not suitable for microscopic examination of large benthonic animals.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model provides an anatomical needle device capable of selecting small-individual large-sized benthonic animals.
The utility model adopts the following technical scheme: comprises a handle, a needle head, a dissecting needle device capable of selecting small individual large benthonic animals, a fixing button cover and a connecting cylinder;
the two ends of the outer wall of the handle are respectively provided with external threads, one end of the connecting cylinder is provided with a threaded port, the other end of the connecting cylinder is provided with a threaded convex column, the threaded port is in threaded connection with one end of the handle, the fixing button cover is provided with a central hole, the inner wall of one end of the central hole is provided with internal threads, the front end of the needle head penetrates through the central hole in the fixing button cover, the rear end of the needle head is tightly inserted in the central hole of the fixing button cover, and the handle is in threaded connection with the fixing button cover and tightly presses the needle head;
the length of the needle is L1, L1 is 4.5-5.5cm (preferably, the length of the needle 4 is 5cm), the diameter of the needle body 4-1 is D1, D1 is 0.5mm, the length of the handle is L2, L2 is 18-30cm, the diameter of the handle is D2, and D2 is 1-1.5 cm.
Further, the needle head is a bend head or a hook head or a bent head or a conical head or a fine needle head.
Further, the handle is fixedly connected with the first interference clamping ring, the first interference clamping ring is hinged to one end of the first folding rod, and the other end of the first folding rod is hinged to the magnifier.
Further, the handle is fixedly connected with a second interference clamping ring, a battery groove is formed in one side of the second interference clamping ring, the second interference clamping ring is hinged to one end of the second folding rod, and a lamp bead is arranged at the other end of the second folding rod.
Furthermore, the middle part of the outer wall of the handle is provided with anti-skid grains.
Furthermore, the needle head is composed of a needle handle, a needle body and a needle point from back to front in sequence, the needle handle and the fixed button cover are cylindrical in shape, and the diameter of the needle handle is larger than that of the central hole and smaller than that of the inner wall of the fixed button cover.
Furthermore, the handle is made of plastic or stainless steel.
Compared with the prior art, the utility model has the beneficial effects that:
1. on the basis of the existing dissection needle, the needle head of the dissection needle is designed to be finer, so that benthonic animal samples can be better selected or dissected, and the needle head can be replaced randomly according to the use requirement, thereby increasing the experiment efficiency. Meanwhile, the device is low in cost and easy to carry, and can be used in field sampling.
2. Anti-slip lines are added in the middle of the handle to increase the friction force of the hand to the device.
3. In order to adapt to different experimental conditions, the length of the handle can be adjusted as required, and the handle is integrally detachable, convenient to carry and favorable for storage.
4. The length of the needle head is 4.5-5.5cm, the diameter of the needle body is 1.5mm, the needle point of the dissecting needle is smaller than the head of the benthonic animal, and the dissecting operation is easy.
5. The length of the handle is 18-30cm, the diameter of the handle is 1-1.5cm, the length of the handle is long, the length can be adjusted through the connecting cylinder, the diameter of the handle is relatively large, and the handle can be conveniently held by hands to carry out careful dissection operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded isometric view of FIG. 1;
FIG. 3 is a schematic view showing the connection relationship of the interference snap ring I, the folding rod I and the magnifier;
FIG. 4 is a schematic diagram of the connection relationship of the interference snap ring II, the battery jar, the folding rod II and the lamp bead;
FIG. 5 is a schematic illustration of a needle type; wherein: fig. 5(a) is a schematic view of a bent head structure, (b) is a schematic view of a hook head structure, (c) is a schematic view of a bent head structure, (d) is a schematic view of a conical head structure, and (e) is a schematic view of a fine needle structure.
In the figure: 1 handle, 2 threads, 3 connecting cylinders, 4 needles, 4-1 needle bodies, 5 fixed button covers, 6 interference clamping rings I, 7 folding rods I, 8 magnifying glasses, 9 interference clamping rings II, 10 battery tanks, 11 folding rods II, 12 lamp beads, 401 bent heads, 402 hook-shaped heads, 403 bent heads, 404 conical heads and 405 fine needles.
Detailed Description
The technical solutions in 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the present embodiment describes a dissecting needle device for selecting a small individual large benthonic animal, which comprises a handle 1 and a needle head 4, and further comprises a fixing button cover 5 and a connecting cylinder 3;
the two ends of the outer wall of the handle 1 are respectively provided with external threads, one end of each connecting cylinder 3 is provided with a threaded port, the other end of each connecting cylinder 3 is provided with a threaded convex column, when the length of the handle 1 needs to be prolonged, every two adjacent connecting cylinders 3 are connected through the threaded ports and the threaded convex columns, the use is flexible, the installation is simple, the threaded ports are in threaded connection with one end of the handle 1, the fixing button cover 5 is provided with a central hole, the inner wall of one end of the central hole is provided with a threaded hole, the front end of the needle head 4 penetrates through the central hole in the fixing button cover 5, the rear end of the needle head 4 is tightly inserted into the central hole in the fixing button cover 5, and the handle 1 is in threaded connection with the fixing button cover 5 and tightly presses the needle head 4;
the length of the needle 4 is L1, L1 is 4.5-5.5cm (preferably, the length of the needle 4 is 5cm), the diameter of the needle body 4-1 is D1, D1 is 0.5mm (the needle consists of a needle handle, a needle body and a needle point), the length of the handle 1 is L2, L2 is 18-30cm, the diameter of the handle 1 is D2, and D2 is 1-1.5 cm.
The needles 4 are bent heads 401, hook heads 402, bent heads 403, conical heads 404 or thin needles 405, all the needles 4 can be replaced, the needles 4 can be replaced according to the actual anatomical conditions, and the operation is simple.
Handle 1 and two 9 fastening connections of interference snap ring, two 9 one sides of interference snap ring are equipped with battery jar 10, and two 9 and two 11 one ends of folding rod of interference snap ring are articulated, and the other end of folding rod two 11 is equipped with lamp pearl 12, and the accessible is full of two 9 and the fastening installation of handle 1, through the position of adjusting two 11 folding rods, makes light shine in required position.
The middle part of the outer wall of the handle 1 is provided with anti-slip lines 2, so that the device is prevented from slipping off during dissection and the normal operation of dissection is prevented from being influenced.
The needle head 4 consists of a needle handle, a needle body 4-1 and a needle point from back to front in sequence, the needle handle and the fixing button cover 5 are cylindrical in shape, and the diameter of the needle handle is larger than that of the central hole and smaller than that of the inner wall of the fixing button cover 5.
The handle 1 is made of plastic or stainless steel.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a can select dissection needle device of large-scale benthonic animal of little individual, includes handle (1) and syringe needle (4), its characterized in that: the dissecting needle device capable of selecting the small-individual large benthonic animals further comprises a fixing button cover (5) and a connecting cylinder (3);
the two ends of the outer wall of the handle (1) are respectively provided with external threads, one end of the connecting cylinder (3) is provided with a threaded port, the other end of the connecting cylinder (3) is provided with a threaded convex column, the threaded port is in threaded connection with one end of the handle (1), the fixed button cover (5) is provided with a central hole, the inner wall of one end of the central hole is provided with internal threads, the front end of the needle (4) penetrates through the central hole in the fixed button cover (5), the rear end of the needle (4) is tightly inserted into the central hole of the fixed button cover (5), and the handle (1) is in threaded connection with the fixed button cover (5) and compresses the needle (4);
the length of the needle head (4) is L1, L1 is 4.5-5.5cm, the diameter of the needle body (4-1) is D1, D1 is 0.5mm, the length of the handle (1) is L2, L2 is 18-30cm, the diameter of the handle (1) is D2, and D2 is 1-1.5 cm.
2. The dissecting needle device for selecting small-sized benthonic animals according to claim 1, wherein: the needle head (4) is a bend head (401), a hook head (402), a bent head (403), a conical head (404) or a thin needle head (405).
3. The dissecting needle device for selecting small-sized benthic animals according to claim 1 or 2, wherein: the handle (1) is fixedly connected with the interference snap ring I (6), the interference snap ring I (6) is hinged to one end of the folding rod I (7), and the other end of the folding rod I (7) is hinged to the magnifier (8).
4. The dissecting needle device for selecting small-sized benthonic animals according to claim 1, wherein: handle (1) and two (9) fastening connections of interference snap ring, interference snap ring two (9) one side is equipped with battery jar (10), and interference snap ring two (9) are articulated with two (11) one end of folding rod, the other end of folding rod two (11) is equipped with lamp pearl (12).
5. The dissecting needle device for selecting small-sized benthonic animals according to claim 1, wherein: the middle part of the outer wall of the handle (1) is provided with anti-skid grains (2).
6. The dissecting needle device for selecting small-sized benthonic animals according to claim 1, wherein: the needle head (4) is composed of a needle handle, a needle body (4-1) and a needle point from back to front in sequence, the needle handle and the fixed button cover (5) are cylindrical in shape, and the diameter of the needle handle is larger than that of the center hole and smaller than that of the inner wall of the fixed button cover (5).
7. The dissecting needle device for selecting small-sized benthonic animals according to claim 1, wherein: the handle (1) is made of plastic or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122574163.9U CN216090605U (en) | 2021-10-25 | 2021-10-25 | Can select dissection needle device of large-scale benthonic animal of little individual |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122574163.9U CN216090605U (en) | 2021-10-25 | 2021-10-25 | Can select dissection needle device of large-scale benthonic animal of little individual |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216090605U true CN216090605U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122574163.9U Active CN216090605U (en) | 2021-10-25 | 2021-10-25 | Can select dissection needle device of large-scale benthonic animal of little individual |
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| Country | Link |
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| CN (1) | CN216090605U (en) |
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2021
- 2021-10-25 CN CN202122574163.9U patent/CN216090605U/en active Active
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