CN210813183U - Device for preventing oral cavity from being pricked by syringe needle - Google Patents
Device for preventing oral cavity from being pricked by syringe needle Download PDFInfo
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- CN210813183U CN210813183U CN201921339730.9U CN201921339730U CN210813183U CN 210813183 U CN210813183 U CN 210813183U CN 201921339730 U CN201921339730 U CN 201921339730U CN 210813183 U CN210813183 U CN 210813183U
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Abstract
The utility model discloses a device for preventing oral cavity is pricked with syringe needle, including long and thin syringe needle, long and thin reset spring, plastics pipe box, disconnected area draw-in groove, V type slat, press the hemisphere piece, press pole, short post piece, taper type piece, bar groove, perforation, removable pin, pinhole, torque spring and U type groove. The utility model relates to a rationally, move to most advanced along long and thin syringe needle through the plastic pipe box under the effect of long and thin reset spring extension power and wrap up to realize covering the automatic function that prevents the needle point puncture of needle point head to the needle point, utilize lever principle, be favorable to the convenient laborsaving operation of medical personnel to use, increase simultaneously and promote the structure that the card is admittedly pasted or the separation pine takes off to corresponding elasticity, can use as required.
Description
Technical Field
The utility model relates to a device that oral cavity syringe needle was used specifically is a device that prevents oral cavity from pricking with syringe needle, belongs to medical equipment application technical field.
Background
The main diseases of the department of stomatology, one of the medical discipline categories, include diseases such as stomatoglossal facial skin sample, epidermal submaxillary space infection, jaw face lymphangioma, dentate process development deformity, maxillary sinus malignant tumor, jaw amelogenesis cytoma, chronic ethmoid sinusitis, mandibular retraction, tetracycline pigmentation, leukoplakia lingualis and the like.
The disposable syringe needle used in the department of stomatology is slender, the needle is required to be pre-bent to a certain radian to wash a dental root canal and an oral abscess often in use, when the needle is placed aside for washing again after use or the needle is not sleeved on the needle in time after use or the bent needle is not well installed with a needle sleeve actually, at the moment, a doctor can be carelessly pricked by the warped needle arranged beside to cause iatrogenic infection when taking other medical instruments or operating, even if the needle is not pre-bent, the slender needle used in the department of stomatology is carelessly easy to prick fingers by mistake when the long needle sleeve is installed again, and the doctor in the department of stomatology is more easy to operate and fail in long-term fatigue work. Therefore, a device for preventing the puncture of the oral syringe needle has been proposed to solve the above problems.
Disclosure of Invention
The utility model aims to solve the problems and provide a device for preventing the oral cavity syringe needle from being pricked.
The utility model realizes the purpose by the following technical proposal, a device for preventing the oral cavity syringe needle from being pricked comprises a slender needle head, a spring sleeve structure and a clamping structure, wherein one end of the slender needle head passes through the middle part of a conical block, and two short column blocks are symmetrically arranged on the conical surface of the conical block;
the elastic sleeve structure comprises a plastic pipe sleeve, the plastic pipe sleeve is sleeved on the slender needle in a sliding mode, a slender return spring is sleeved on the slender needle at the bottom port of the plastic pipe sleeve, one end of the slender return spring is installed on the edge surface of the bottom port of the plastic pipe sleeve, and the other end of the slender return spring is installed on the corresponding surface of the conical block;
the solid structure of card includes V type slat, a plurality of disconnected area draw-in grooves have been seted up to the short curb plate surface equidistance of V type slat, and the long curb plate one end of V type slat stretches into the bar recess and lies in U type inslot, one side is through the inside part swing joint of long curb plate one end of removable pin and V type slat in the bar recess notch, and the bar recess is seted up on the short block annular face that corresponds, the U type groove is seted up according to pole one end terminal surface, and U type inboard both sides U type lateral wall of U type inslot and according to the corresponding annular face intercommunication of pole.
Preferably, the middle part of the end face of one end of the short column block is provided with a through hole, and the through hole is communicated with the inside of the strip-shaped groove.
Preferably, one end of the pressing rod penetrates through the corresponding through hole in a sliding mode and is located in the strip-shaped groove, and the other end of the pressing rod is provided with the pressing hemispherical block.
Preferably, the movable pin is sleeved with a torsion spring, and the torsion spring is located in the pin hole.
Preferably, the movable pin is attached to the pin hole in a sliding manner, and the pin hole is formed in the inner side wall of one end of the long side plate of the V-shaped lath.
Preferably, press pole middle part annular face annular equidistance to offer four bar sliders, and four the bar slider is seted up at four bar spout of perforation pore wall and corresponds sliding connection each other with annular equidistance.
The utility model has the advantages that:
1. the device for preventing the oral cavity syringe needle from being punctured is reasonable in design, and the plastic pipe sleeve is moved to the tip along the slender needle to be wrapped under the action of the stretching force of the slender reset spring, so that the function of automatically covering the needle tip head by the needle tip to prevent the needle tip from being punctured is realized.
The device for preventing oral cavity is stabbed with syringe needle reasonable in design utilizes lever principle, is favorable to the convenient laborsaving operation of medical personnel to be used, increases simultaneously and pushes up the structure that the card is pressed admittedly or the separation pine takes off to corresponding elasticity promotion structure, can use as required.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the internal structure of the short column block of the present invention;
fig. 3 is a schematic view of the connection structure of the V-shaped slat and the pressing rod of the present invention.
In the figure: 1. the device comprises a slender needle head, 2 a slender return spring, 3 a plastic pipe sleeve, 4 a broken belt clamping groove, 5 a V-shaped strip plate, 6 a pressing hemispherical block, 7 a pressing rod, 8 a short column block, 9 a conical block, 10 a strip-shaped groove, 11 a through hole, 12 a movable pin, 13 a pin hole, 14 a torsion spring, 15 and a U-shaped groove.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, a device for preventing oral syringe needle puncture comprises a slender needle 1, a spring sleeve structure and a clamping structure, wherein one end of the slender needle 1 penetrates through the middle part of a conical block 9, and two short column blocks 8 are symmetrically arranged on the conical surface of the conical block 9;
the elastic sleeve structure comprises a plastic pipe sleeve 3, the plastic pipe sleeve 3 is sleeved on the slender needle 1 in a sliding mode, the slender needle 1 at the bottom port of the plastic pipe sleeve 3 is sleeved with a slender return spring 2, one end of the slender return spring 2 is installed on the edge surface of the bottom port of the plastic pipe sleeve 3, and the other end of the slender return spring 2 is installed on the corresponding surface of the conical block 9;
the solid structure of card includes V type slat 5, a plurality of disconnected strip draw-in grooves 4 have been seted up to the short curb plate surface equidistance of V type slat 5, and the long curb plate one end of V type slat 5 stretches into bar groove 10 and lie in U type groove 15, one side is through the inside part swing joint of long curb plate one end of activity round pin 12 with V type slat 5 in the bar groove 10 notch, and bar groove 10 sets up on the 8 toroidal surfaces of short post piece that correspond, U type groove 15 sets up according to 7 one end terminal surfaces of pole, and U type inboard wall of both sides U type lateral wall and according to the corresponding toroidal surface intercommunication of pole 7 in the U type groove 15.
A through hole 11 is formed in the middle of the end face of one end of the short column block 8, and the through hole 11 is communicated with the inside of the strip-shaped groove 10, so that the pressing rod 7 can be installed and placed in a sliding mode; one end of the pressing rod 7 penetrates through the corresponding through hole 11 in a sliding mode and is positioned in the strip-shaped groove 10, and the other end of the pressing rod 7 is provided with the pressing hemispherical block 6, so that medical staff can use the pressing hemispherical block conveniently; the movable pin 12 is sleeved with a torsion spring 14, and the torsion spring 14 is positioned in the pin hole 13, so that the short side plate of the V-shaped batten 5 is pressed against the corresponding part of the elongated return spring 2 under the initial state under the action of the torsion spring 14; the movable pin 12 is attached to the pin hole 13 in a sliding mode, and the pin hole 13 is formed in the inner side wall of one end of the long side plate of the V-shaped strip plate 5, so that the movable pin 12 can be conveniently installed and placed; according to 7 middle parts of the pole annular face annular equidistance four bar sliders have been seted up, and four the bar slider corresponds sliding connection each other with four bar spouts that the annular equidistance was seted up at perforation 11 pore wall, can avoid according to 7 landing in following perforation 11 of pole.
The utility model discloses when using, because the natural length of long and thin reset spring 2 is less than the length of long and thin syringe needle 1 and plastics pipe box 3 can enclose long and thin syringe needle 1 most advanced all the time, so when the syringe needle uses up, press corresponding two simultaneously through two fingers and press hemisphere piece 6 with corresponding press the pole 7 to the perforation 11 inboard promote and promote the long side plate end rotation that lies in the V type slat 5 of the U type groove 15 of pressing the pole 7 inner, simultaneously according to lever principle, make the short side plate reverse rotation of V type slat 5 and disconnected area draw-in groove 4 on the short side plate separate with the corresponding part of the long and thin reset spring 2 of card solid, utilize lever principle, be favorable to the convenient laborsaving operation of medical personnel and use, increase simultaneously and promote the structure that the card solid or separation pine takes off to corresponding elasticity, can use according to the use needs;
when the needle is used, the slender return spring 2 is compressed and fixed in the reverse operation mode, and the plastic pipe sleeve 3 is positioned on the annular surface on the inner side of the tip of the slender needle 1, so that the function of automatically covering the needle tip and preventing the needle tip from being punctured is realized.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A device for preventing an oral cavity from being pricked by a syringe needle is characterized in that: the elastic sleeve type needle comprises a long and thin needle head (1), an elastic sleeve structure and a clamping structure, wherein one end of the long and thin needle head (1) penetrates through the middle part of a conical block (9), and two short column blocks (8) are symmetrically arranged on the conical surface of the conical block (9);
the elastic sleeve structure comprises a plastic pipe sleeve (3), the plastic pipe sleeve (3) is sleeved on the slender needle (1) in a sliding mode, a slender return spring (2) is sleeved on the slender needle (1) at the bottom port of the plastic pipe sleeve (3), one end of the slender return spring (2) is installed on the edge surface of the bottom port of the plastic pipe sleeve (3), and the other end of the slender return spring (2) is installed on the corresponding surface of a conical block (9);
the solid structure of card includes V type slat (5), a plurality of disconnected strip draw-in grooves (4) have been seted up to the short curb plate surface equidistance of V type slat (5), and the long curb plate one end of V type slat (5) stretches into bar recess (10) and lie in U type groove (15), bar recess (10) notch in one side through movable pin (12) and the long curb plate one end inside part swing joint of V type slat (5), and bar recess (10) set up on short post piece (8) the toroidal surface that corresponds, U type groove (15) are set up according to pole (7) one end terminal surface, and in U type groove (15) both sides U type lateral wall with according to the corresponding toroidal surface intercommunication of pole (7).
2. The device for preventing the needle of the oral syringe from being punctured as claimed in claim 1, wherein: the middle part of the end face of one end of the short column block (8) is provided with a through hole (11), and the through hole (11) is communicated with the inside of the strip-shaped groove (10).
3. The device for preventing the needle of the oral syringe from being punctured as claimed in claim 1, wherein: one end of the pressing rod (7) penetrates through the corresponding through hole (11) in a sliding mode and is located in the strip-shaped groove (10), and the other end of the pressing rod (7) is provided with the pressing hemispherical block (6).
4. The device for preventing the needle of the oral syringe from being punctured as claimed in claim 1, wherein: the movable pin (12) is sleeved with a torsion spring (14), and the torsion spring (14) is positioned in the pin hole (13).
5. The device for preventing the needle of the oral syringe from being punctured as claimed in claim 1, wherein: the movable pin (12) is attached to the pin hole (13) in a sliding mode, and the pin hole (13) is formed in the inner side wall of one end of the long side plate of the V-shaped strip plate (5).
6. The device for preventing the needle of the oral syringe from being punctured as claimed in claim 1, wherein: according to pole (7) middle part annular face annular equidistance seted up four bar sliders, and four the bar slider is seted up at four bar spout mutual corresponding sliding connection who perforates (11) pore wall with annular equidistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339730.9U CN210813183U (en) | 2019-08-19 | 2019-08-19 | Device for preventing oral cavity from being pricked by syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339730.9U CN210813183U (en) | 2019-08-19 | 2019-08-19 | Device for preventing oral cavity from being pricked by syringe needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210813183U true CN210813183U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921339730.9U Active CN210813183U (en) | 2019-08-19 | 2019-08-19 | Device for preventing oral cavity from being pricked by syringe needle |
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| CN (1) | CN210813183U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058151A (en) * | 2021-03-23 | 2021-07-02 | 吉林大学 | Needle inserting and adjusting device with distance measuring function |
| CN116328102A (en) * | 2023-05-31 | 2023-06-27 | 四川省医学科学院·四川省人民医院 | Injection device for diabetes |
-
2019
- 2019-08-19 CN CN201921339730.9U patent/CN210813183U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058151A (en) * | 2021-03-23 | 2021-07-02 | 吉林大学 | Needle inserting and adjusting device with distance measuring function |
| CN116328102A (en) * | 2023-05-31 | 2023-06-27 | 四川省医学科学院·四川省人民医院 | Injection device for diabetes |
| CN116328102B (en) * | 2023-05-31 | 2023-08-01 | 四川省医学科学院·四川省人民医院 | Injection device for diabetes |
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