CN216022500U - Thimble type precisely-adjusted sterile injection needle - Google Patents
Thimble type precisely-adjusted sterile injection needle Download PDFInfo
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- CN216022500U CN216022500U CN202121873843.4U CN202121873843U CN216022500U CN 216022500 U CN216022500 U CN 216022500U CN 202121873843 U CN202121873843 U CN 202121873843U CN 216022500 U CN216022500 U CN 216022500U
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- needle
- thimble
- screw rod
- knob cover
- adjusted sterile
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a thimble type precisely-adjusted sterile injection needle, which comprises a shell base, a liner needle seat, a knob cover and a rear plugging injection screw rod, wherein the liner needle seat is connected to the inner side of the shell base in a sliding manner, one side of the liner needle seat is connected with the rear plugging injection screw rod, the outer side of the rear plugging injection screw rod is connected with the knob cover through threads, a fixed groove is arranged on the outer side of the shell base, spring thimbles are arranged in the fixed groove, a plurality of limiting wave grooves are arranged on the inner side of the knob cover in an annular array manner, the rear plugging injection screw rod is driven to move by rotating the knob cover, the liner needle seat is further driven to move to adjust the needle outlet or needle retracting amount, an indication strip indicates the scale value of the current scale ring, the digital visual control of the needle outlet length is realized, the operation is convenient, and the top end of the spring thimbles is movably embedded in the limiting wave grooves, and the sound of striking when can be through the scarf joint feeds back the accent needle information, convenient accurate location, and then accurate regulation goes out needle length.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a thimble type accurately-adjusted sterile injection needle.
Background
At present, the fine needle on the market, water light needle are adjusting out needle length in-process, have adopted the mode of the rotatory number of turns of screw to adjust out needle length, because revolution mechanic does not have spacing and reference structure, lead to can not accurate control and discernment out needle length, and the precision is low, and uncontrollable pierces subcutaneous tissue injection depth, greatly increased operating personnel's difficulty and erroneous judgement.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide the ejector pin type accurately-adjusted sterile injection needle which is simple to operate and accurate in adjustment.
The technical scheme adopted by the utility model is as follows:
a thimble type precisely-adjusted sterile injection needle comprises a shell base, a liner needle seat, a knob cover and a rear plugging injection screw rod;
the inner container needle base is connected to the inner side of the outer shell base in a sliding mode, one side of the inner container needle base is connected with the rear plugging liquid injection screw rod, and the outer side of the rear plugging liquid injection screw rod is connected with the knob cover through threads;
the knob cover is rotationally connected with the shell base;
a fixed groove is arranged on the outer side of the shell base, and a spring thimble is arranged in the fixed groove;
the inner side of the knob cover is provided with a plurality of limiting wave grooves which are arranged in an annular array shape, and the top ends of the spring thimbles are movably embedded in the limiting wave grooves.
Preferably, the outer side of the knob cover is provided with a scale ring, and the base of the shell is provided with an indicating strip for indicating the current scale value.
Preferably, a scale bar which is arranged corresponding to the numerical value in the scale ring is arranged on one side of the scale ring away from the indication bar.
Preferably, an anti-slip convex strip is arranged between every two adjacent scale bars.
Preferably, a prompt mark for indicating and adjusting the rotating direction is arranged on one side, away from the base of the shell, of the knob cover.
Preferably, the spring thimble includes elastic expansion portion and installation department, and the installation department sets up in the fixed slot, and elastic expansion portion activity scarf joint is in spacing wave inslot.
Preferably, the side of the inner container needle seat far away from the rear plugging liquid injection screw rod is provided with a plurality of needle positions which are arranged in an array shape.
Preferably, the outer side of the rear plugging liquid injection screw is provided with an external thread, and the inner side of the knob cover is provided with an internal thread meshed and connected with the external thread.
The utility model has the beneficial effects that:
this aseptic syringe needle of accurate regulation of thimble type drives back stifled notes liquid screw rod through rotatory turn-knob lid and removes, and then drive inner bag needle file and remove and adjust out needle or the volume of contracting the needle, the scale interval of current scale ring is instructed to the instruction strip, realize the visual management and control of the length number of going out the needle, the operation of being convenient for, top activity through the spring thimble is rabbeted in spacing wave inslot, improve the structural stability, and the sound feedback that the striking sent when can be through the scarf joint transfers needle information, convenient accurate location, and then accurate regulation goes out needle length, the subcutaneous tissue degree of depth of convenient control injection, reduce the painful sense of piercing subcutaneous tissue.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural view of the twist cap.
FIG. 4 is a schematic view of the installation of the pogo pin.
In the figure: 1. a housing base; 2. a liner needle seat; 3. screwing a cover; 4. then plugging the liquid injection screw; 5. fixing grooves; 6. a spring thimble; 61. an elastic expansion part; 62. an installation part; 7. a wave limiting groove; 8. a scale ring; 9. an indicator strip; 10. a scale bar; 11. anti-skid convex strips; 12. a prompt sign; 13. needle position; 14. an external thread; 15. an internal thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a thimble type precisely adjusted sterile injection needle comprises a shell base 1, a liner needle base 2, a knob cover 3 and a rear plugging injection screw rod 4;
the inner container needle base 2 is connected to the inner side of the outer shell base 1 in a sliding mode, one side of the inner container needle base is connected with the rear plugging liquid injection screw rod 4, and the outer side of the rear plugging liquid injection screw rod 4 is connected with the knob cover 3 through threads;
the knob cover 3 is rotationally connected with the shell base 1;
a fixed groove 5 is arranged on the outer side of the shell base 1, and a spring thimble 6 is arranged in the fixed groove 5;
the inner side of the knob cover 3 is provided with a plurality of limiting wave grooves 7, the limiting wave grooves 7 are arranged in an annular array, and the top ends of the spring thimbles 6 are movably embedded in the limiting wave grooves 7.
In order to conveniently realize the visual management and control of the digital length of the needle, in this embodiment, preferably, the outside of the knob cover 3 is provided with a scale ring 8, and the shell base 1 is provided with an indication strip 9 for indicating the current scale value.
In order to further conveniently realize the visual management and control of the length number of going out needle, in this embodiment, preferably, one side that instruction strip 9 was kept away from to scale ring 8 is equipped with and is the scale strip 10 that corresponds the setting with the numerical value in the scale ring 8, and the purpose makes things convenient for scale strip 10 and instruction strip 9 to align, reads its scale interval that corresponds fast.
In order to facilitate manual rotation operation and prevent slipping, in the present embodiment, preferably, a slip-preventing convex strip 11 is disposed between two adjacent scale bars 10.
In order to facilitate the indication of the adjustment of the rotation direction of the needle withdrawing and retracting, in the present embodiment, preferably, a prompt mark 12 for indicating the adjustment of the rotation direction is disposed on a side of the knob cover 3 away from the housing base 1.
In order to conveniently send out the striking sound and be used for the judgement that targets in place, convenient accurate location, and improve the structural stability degree, in this embodiment, it is preferred that spring thimble 6 includes elastic expansion portion 61 and installation department 62, and installation department 62 sets up in fixed slot 5, and elastic expansion portion 61 activity is rabbeted in spacing wave groove 7.
In order to improve the injection effect conveniently, in this embodiment, preferably, the side of the liner needle holder 2 away from the rear plugging liquid injection screw 4 is provided with a plurality of needle positions 13, and the needle positions 13 are arranged in an array.
In order to facilitate transmission and further operation, in the present embodiment, it is preferable that the rear plugging liquid injection screw 4 is provided with an external thread 14 on the outer side, and the knob cover 3 is provided with an internal thread 15 on the inner side for engaging with the external thread 14.
The working principle and the using process of the utility model are as follows: the number of thread rotation turns required by needle withdrawing or needle retracting of 0-2 mm is controlled within 1 turn, the internal thread 15 and the external thread 14 are meshed for transmission by rotating the knob cover 3, the rear plugging liquid injection screw rod 4 is driven to move, and then the liner needle seat 2 is driven to move along the shell base 1, so that the effect of adjusting the needle withdrawing or needle retracting amount is achieved;
the number of the limit wave grooves 7 is set according to the adjustment scales and the length required to be adjusted in each grid, the consistency of the scales and the length of the needle output is ensured, the scale ring 8 on the outer side of the knob cover 3 is provided with scale values, and when the knob cover 3 is rotated, the indication strip 9 indicates the scale value of the current needle output length, so that the digital visual control of the needle output length is realized, and the operation is convenient;
spring thimble 6 can be equipped with singly or a plurality of, and through the activity scarf joint of elastic expansion portion 61 in spacing wave groove 7, improve the structural stability degree, and can through striking when the scarf joint send "Da" the sound feedback adjust needle information, make things convenient for accurate location, and then accurate regulation goes out needle length, conveniently controls the injection subcutaneous tissue degree of depth, reduces the painful sense of pricking the subcutaneous tissue.
In the embodiment, the limit wave grooves 7 have 20 grids, the scale ring 8 is provided with 0-2.0 mm of adjusting scales corresponding to the grids of the limit wave grooves 7, and the spring thimble 6 can stretch or contract 0.1mm and generate 1 sound of rattling and clicking every time the spring thimble jumps 1 grid.
Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 (8)
1. The utility model provides an aseptic syringe needle of accurate regulation of thimble type which characterized in that: comprises a shell base (1), a liner needle base (2), a knob cover (3) and a rear plugging liquid injection screw (4);
the inner container needle base (2) is connected to the inner side of the outer shell base (1) in a sliding mode, one side of the inner container needle base is connected with the rear plugging liquid injection screw rod (4), and the outer side of the rear plugging liquid injection screw rod (4) is connected with the knob cover (3) through threads;
the knob cover (3) is rotationally connected with the shell base (1);
a fixed groove (5) is formed in the outer side of the shell base (1), and a spring ejector pin (6) is arranged in the fixed groove (5);
the inboard of turn-knob lid (3) is equipped with spacing wave groove (7), spacing wave groove (7) are a plurality of having arranged of annular array form, the top activity of spring thimble (6) is rabbeted in spacing wave groove (7).
2. The thimble-type precisely adjusted sterile injection needle of claim 1, wherein: the outside of turn-knob lid (3) is equipped with scale ring (8), be used for instructing the instruction strip (9) of current scale interval on shell base (1).
3. The thimble-type precisely adjusted sterile injection needle of claim 2, wherein: and a scale bar (10) which is correspondingly arranged with the numerical value in the scale ring (8) is arranged on one side of the scale ring (8) far away from the indication bar (9).
4. The thimble-type precisely adjusted sterile injection needle of claim 3, wherein: an antiskid convex strip (11) is arranged between every two adjacent scale bars (10).
5. The thimble-type precisely adjusted sterile injection needle of claim 1, wherein: and a prompt mark (12) for indicating and adjusting the rotating direction is arranged on one side, away from the shell base (1), of the knob cover (3).
6. The thimble-type precisely adjusted sterile injection needle of claim 1, wherein: spring thimble (6) include elastic expansion portion (61) and installation department (62), installation department (62) set up in fixed slot (5), elastic expansion portion (61) activity is rabbeted in spacing wave groove (7).
7. The thimble-type precisely adjusted sterile injection needle of claim 1, wherein: one side that back stifled notes liquid screw rod (4) was kept away from in inner bag needle file (2) is equipped with needle position (13), needle position (13) are a plurality of arranging in array form.
8. The thimble-type precisely adjusted sterile injection needle of claim 1, wherein: the outer side of the rear plugging liquid injection screw rod (4) is provided with an external thread (14), and the inner side of the knob cover (3) is provided with an internal thread (15) meshed with the external thread (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121873843.4U CN216022500U (en) | 2021-08-11 | 2021-08-11 | Thimble type precisely-adjusted sterile injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121873843.4U CN216022500U (en) | 2021-08-11 | 2021-08-11 | Thimble type precisely-adjusted sterile injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216022500U true CN216022500U (en) | 2022-03-15 |
Family
ID=80619941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121873843.4U Active CN216022500U (en) | 2021-08-11 | 2021-08-11 | Thimble type precisely-adjusted sterile injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216022500U (en) |
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2021
- 2021-08-11 CN CN202121873843.4U patent/CN216022500U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230724 Address after: 528200 No. 1, Floor 3, Xinfeng Road, Songgang Songxia Industrial Park, Shishan Town, Nanhai District, Foshan, Guangdong Patentee after: Foshan Daiaosi Medical Equipment Technology Co.,Ltd. Address before: 510000 Room 308, block a, No. 3, erheng Road, Shijing Industrial Zone, shisha Road, Shimen street, Baiyun District, Guangzhou, Guangdong Patentee before: Guangzhou santu Medical Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |