CN219804087U - Needle limiting structure of intramuscular injector - Google Patents
Needle limiting structure of intramuscular injector Download PDFInfo
- Publication number
- CN219804087U CN219804087U CN202320732224.6U CN202320732224U CN219804087U CN 219804087 U CN219804087 U CN 219804087U CN 202320732224 U CN202320732224 U CN 202320732224U CN 219804087 U CN219804087 U CN 219804087U
- Authority
- CN
- China
- Prior art keywords
- needle
- intramuscular
- piece
- traction
- connecting sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007918 intramuscular administration Methods 0.000 title claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 8
- 210000003205 muscle Anatomy 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010255 intramuscular injection Methods 0.000 description 4
- 239000007927 intramuscular injection Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 241000489861 Maximus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000000852 deltoid muscle Anatomy 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010254 subcutaneous injection Methods 0.000 description 1
- 239000007929 subcutaneous injection Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of needle limiting parts, in particular to a limiting structure of a needle of an intramuscular injector, which comprises a connecting sleeve, wherein the connecting sleeve is movably sleeved on the needle of the intramuscular injector, the needle of the intramuscular injector comprises a connecting handle and a metal needle fixed at one end of the connecting handle, a traction piece is fixed on the surface of the connecting sleeve, one end of the traction piece is fixed on the surface of the limiting piece, and the metal needle of the intramuscular injector penetrates through the limiting piece; the beneficial effects are as follows: according to the limiting structure of the needle head of the intramuscular injector, the connecting sleeve is additionally arranged on the needle head of the intramuscular injector, after the connecting sleeve is adjusted along the needle head of the intramuscular injector, the position change of the limiting piece is realized, after the position of the limiting piece is determined, the limit of the needle inserting depth of the needle head is realized, and the problem that the needle inserting depth is inconsistent when the needle head is used is avoided.
Description
Technical Field
The utility model relates to the technical field of needle limiting parts, in particular to a needle limiting structure of an intramuscular injector.
Background
Intramuscular injection is a common method for treating diseases by injecting liquid medicine into muscle tissue through an injector. Intramuscular injection is mainly applicable to: intravenous injection is not suitable or cannot be performed, and when the curative effect is required to occur more rapidly than subcutaneous injection, and when medicines with stronger irritation or larger dosage are injected.
In the prior art, generally, the intramuscular injection is performed by means of a syringe, requiring about 2.5-3cm of needle insertion, and the common injection sites include the gluteus maximus, gluteus medius or the lateral femoral muscle and deltoid muscle when intramuscular injection is performed.
However, because the needle length is big, when the patient rocks or medical personnel appear hard unstably, there is the syringe needle to advance the needle degree of depth inconsistent hidden danger to influence the medicine injection effect.
Disclosure of Invention
The utility model aims to provide a limiting structure of a needle head of an intramuscular injector, which solves the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a syringe needle limit structure of muscle, includes the adapter sleeve, and the adapter sleeve movable sleeve is established on the syringe needle of muscle, and the syringe needle of muscle includes the connective handle and fixes the metal needle in connective handle one end, the fixed surface of adapter sleeve has the pulling tab, and the one end of pulling tab is fixed on the surface of limiting tab, and the metal needle of syringe needle runs through limiting tab.
Preferably, the connecting sleeve is of a circular tube structure, an inner ring surface of the connecting sleeve is provided with an inner thread, and the connecting handle of the intramuscular syringe needle is provided with an outer thread which is connected with the inner thread in a matching way.
Preferably, the traction piece is in a circular arc plate structure, two groups of traction pieces are arranged, the two groups of traction pieces are symmetrically distributed relative to the pipe orifice of the connecting sleeve, and the surface of the traction piece is provided with the marking piece.
Preferably, the marking piece comprises scale marking strips, the scale marking strips are fixed on the outer ring surface of the traction piece, two groups of scale marking strips are arranged, and the two groups of scale marking strips are symmetrically distributed about the center of the outer ring surface of the traction piece.
Preferably, a positioning ring is fixedly sleeved on the surface of the connecting handle of the needle head of the intramuscular injector.
Preferably, the surface of the limiting piece is fixedly provided with a sponge gasket, the surfaces of the limiting piece and the sponge gasket are provided with preformed holes, the two groups of preformed holes are communicated, and the needle head of the intramuscular injector needle head penetrates through the two groups of preformed holes.
Preferably, a plurality of silica gel cushion blocks are fixed on the side wall of the limiting piece, and finger grooves are formed in the surfaces of the silica gel cushion blocks.
Compared with the prior art, the utility model has the beneficial effects that:
according to the limiting structure of the needle head of the intramuscular injector, the connecting sleeve is additionally arranged on the needle head of the intramuscular injector, after the connecting sleeve is adjusted along the needle head of the intramuscular injector, the position change of the limiting piece is realized, after the position of the limiting piece is determined, the limit of the needle inserting depth of the needle head is realized, and the problem that the needle inserting depth is inconsistent when the needle head is used is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the present utility model in semi-section;
FIG. 3 is a schematic view of the connection structure of the connecting sleeve and the pulling-on piece of the present utility model;
fig. 4 is a schematic view of the structure of the moving limiting plate of the present utility model.
In the figure: the muscle syringe needle 2, pulling chip 3, spacing piece 4, sponge gasket 5, preformed hole 6, scale mark strip 7, retainer plate 8, silica gel cushion 9, finger groove 10 are connected to adapter sleeve 1.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Example 1
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a syringe needle limit structure of muscle, includes adapter sleeve 1, and adapter sleeve 1 movable sleeve is established on syringe needle 2 of muscle, and syringe needle 2 includes the connecting handle and fixes the metal needle in connecting handle one end, the surface of adapter sleeve 1 is fixed with pulling tab 3, and one end of pulling tab 3 is fixed in the surface of spacing piece 4, and the metal needle of syringe needle 2 runs through spacing piece 4; the connecting sleeve 1 is additionally arranged on the needle head 2 of the intramuscular injector, the position of the limiting piece 4 is changed after the connecting sleeve 1 is adjusted along the needle head 2 of the intramuscular injector, the needle insertion depth of the needle head is limited after the position of the limiting piece 4 is determined, and the problem that the needle insertion depth is inconsistent when the needle head is used is avoided.
Example two
On the basis of the first embodiment, in order to realize the position adjustment of the limiting piece 4, the connecting sleeve 1 is of a circular tube structure, the inner annular surface of the connecting sleeve 1 is provided with an inner thread, the connecting handle of the intramuscular syringe needle 2 is provided with an outer thread, the outer thread is connected with the inner thread in a matched mode, the traction piece 3 is of a circular arc-shaped plate structure, the traction piece 3 is provided with two groups, the two groups of traction pieces 3 are symmetrically distributed relative to the pipe orifice of the connecting sleeve 1, the surface of the traction piece 3 is provided with a marking piece, the marking piece comprises scale marking strips 7, the scale marking strips 7 are fixed on the outer annular surface of the traction piece 3, the scale marking strips 7 are provided with two groups, the two groups of scale marking strips 7 are symmetrically distributed relative to the outer annular surface of the traction piece 3, and the connecting handle surface of the intramuscular syringe needle 2 is fixedly sleeved with a positioning ring 8.
Example III
On the basis of the second embodiment, in order to achieve comfort level when the limiting piece 4 contacts the skin of a patient, a sponge gasket 5 is fixed on the surface of the limiting piece 4, preformed holes 6 are formed in the surfaces of the limiting piece 4 and the sponge gasket 5, the two groups of preformed holes 6 are communicated, and the needle of the intramuscular injector needle 2 penetrates through the two groups of preformed holes 6; in order to avoid the hand separation when screwing the limiting piece 4, a plurality of silica gel cushion blocks 9 are fixed on the side wall of the limiting piece 4, and finger grooves 10 are formed in the surface of the silica gel cushion blocks 9.
During actual use, the surface of the scale mark strip 7 is provided with scale marks and digital marks, before the connecting sleeve 1 is adjusted, the zeroing numerical values of the positioning ring 8 and the scale mark strip 7 are flush, fingers extend into the finger grooves 10, the limiting piece 4 is stirred to drive the connecting sleeve 1 to rotate along the connecting handle of the intramuscular syringe needle 2 through the traction piece 3 and simultaneously displace until the numerical value of the surface of the scale mark strip 7 corresponds to the distance of displacement required by the limiting piece 4, at the moment, the spacing between the metal needle of the intramuscular syringe needle 2 and the limiting piece 4 is fixed after the limiting piece 4 is, and the depth of needle insertion is obtained.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a syringe needle limit structure of muscle, includes adapter sleeve (1), and adapter sleeve (1) movable sleeve is established on syringe needle (2) of muscle, and syringe needle (2) include the connective handle and fix the metallic needle in connective handle one end, its characterized in that: a traction piece (3) is fixed on the surface of the connecting sleeve (1), one end of the traction piece (3) is fixed on the surface of the limiting piece (4), and a metal needle of the intramuscular injector needle head (2) penetrates through the limiting piece (4); the connecting sleeve (1) is of a circular tube structure, an inner ring surface of the connecting sleeve (1) is provided with an inner thread, and a connecting handle of the intramuscular syringe needle (2) is provided with an outer thread which is connected with the inner thread in a matching way.
2. The needle stop structure of an intramuscular injector according to claim 1, wherein: the traction pieces (3) are of arc-shaped plate structures, the traction pieces (3) are provided with two groups, the two groups of traction pieces (3) are symmetrically distributed relative to the pipe orifice of the connecting sleeve (1), and the surfaces of the traction pieces (3) are provided with marking pieces.
3. The needle stop structure of an intramuscular injector according to claim 2, wherein: the marking piece comprises scale marking strips (7), the scale marking strips (7) are fixed on the outer annular surface of the traction piece (3), the scale marking strips (7) are provided with two groups, and the two groups of scale marking strips (7) are symmetrically distributed about the center of the outer annular surface of the traction piece (3).
4. The needle stop structure of an intramuscular injector according to claim 1, wherein: the surface of the connecting handle of the intramuscular injector needle (2) is fixedly sleeved with a positioning ring (8).
5. The needle stop structure of an intramuscular injector according to claim 1, wherein: the surface fixing of spacing piece (4) has sponge gasket (5), and preformed hole (6) have all been seted up on the surface of spacing piece (4) and sponge gasket (5), and two sets of preformed holes (6) communicate, and the syringe needle of intramuscular syringe needle (2) runs through two sets of preformed holes (6).
6. The needle stop structure of an intramuscular injector according to claim 1, wherein: a plurality of silica gel cushion blocks (9) are fixed on the side wall of the limiting piece (4), and finger grooves (10) are formed in the surfaces of the silica gel cushion blocks (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320732224.6U CN219804087U (en) | 2023-04-06 | 2023-04-06 | Needle limiting structure of intramuscular injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320732224.6U CN219804087U (en) | 2023-04-06 | 2023-04-06 | Needle limiting structure of intramuscular injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219804087U true CN219804087U (en) | 2023-10-10 |
Family
ID=88215956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320732224.6U Active CN219804087U (en) | 2023-04-06 | 2023-04-06 | Needle limiting structure of intramuscular injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219804087U (en) |
-
2023
- 2023-04-06 CN CN202320732224.6U patent/CN219804087U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |