CN213910668U - Oral cavity gum anesthesia injection device - Google Patents
Oral cavity gum anesthesia injection device Download PDFInfo
- Publication number
- CN213910668U CN213910668U CN202021244917.3U CN202021244917U CN213910668U CN 213910668 U CN213910668 U CN 213910668U CN 202021244917 U CN202021244917 U CN 202021244917U CN 213910668 U CN213910668 U CN 213910668U
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- CN
- China
- Prior art keywords
- hole
- blind hole
- piston
- medicine
- communicated
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- 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.)
- Expired - Fee Related
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- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 18
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 18
- 210000000214 mouth Anatomy 0.000 title claims abstract description 13
- 239000003814 drug Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 2
- 230000003444 anaesthetic effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 210000004195 gingiva Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an oral cavity gum anesthesia injection device, which comprises an injection needle cylinder, a medicine hose, a needle head, a fixed sleeve, a suction air pump and a compressed air pipe, wherein the fixed sleeve is provided with a notch; a blind hole is formed in one side face of the notch, and a medicine hole is formed in the fixing sleeve; an air hole is formed in the bottom of the blind hole, one end of the compressed air pipe is communicated with the air hole, and the other end of the compressed air pipe is communicated with the air suction pump; a piston is in sliding fit in the blind hole, a medicine inlet hole is formed in the piston, the needle head is coaxially fixed with the piston, and an orifice of the medicine inlet hole is communicated with the tail part of the needle head; an adjusting cylinder is arranged at the orifice of the blind hole, and the adjusting cylinder is coaxial with the blind hole and is coaxially fixed with the blind hole. The device is exclusively used in and carries out anesthesia injection to the gum in human oral cavity, alleviates doctor's burden, and it is accurate, accomplish fast to reduce patient's misery.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to oral cavity gum anesthesia injection device.
Background
In the process of injection anesthesia of a patient, a narrow space is often the least well-operated site, such as the oral gingiva of the patient. Since the gum of a human body is tough compared to other muscular tissues, it is difficult for the needle of the syringe to penetrate the gum during injection. During the process of the needle penetrating into the gum: because the observation in the oral cavity of a patient is blocked, the needle head is easy to deviate carelessly and is inclined to penetrate, so that the depth of the needle head penetrating into the gum is not controllable, and the patient can feel pain because the gum nerve of the human body is very much and sensitive. Therefore, further research is necessary to address the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oral cavity gum anesthesia injection device is exclusively used in and carries out anesthesia injection to the gum in human oral cavity, can prevent effectively that the syringe needle from squinting when injecting, need not the doctor go to aim at and pierce hard moreover, alleviates doctor's burden, and it is accurate to prick the needle, accomplishes fast to reduce patient's misery.
The technical scheme of the utility model as follows: an oral cavity gum anesthesia injection device comprises an injection needle cylinder, a medicine hose, a needle head, a fixed sleeve, a suction air pump and a compressed air pipe, wherein the fixed sleeve is provided with a U-shaped notch which comprises a bottom surface and two side surfaces, and the fixed sleeve can be clamped on the gum of a patient by utilizing the notch; a blind hole is formed in one side face of the notch, and the axis of the blind hole is perpendicular to the side face provided with the notch; a medicine hole is formed in the fixing sleeve, one orifice of the medicine hole extends to the side wall of the blind hole and is communicated with the blind hole, and the other orifice of the medicine hole is communicated with a liquid outlet of the injection needle cylinder through the medicine hose; the bottom of the blind hole is provided with an air hole, one end of the compressed air pipe is communicated with the air hole, the other end of the compressed air pipe is communicated with the air suction pump, and the air suction pump utilizes the compressed air pipe to charge compressed air into the blind hole or suck air in the blind hole; a piston is in sliding fit in the blind hole, a medicine inlet hole is formed in the piston, the needle head is coaxially fixed with the piston, one hole opening of the medicine inlet hole is communicated with the tail part of the needle head, and the other hole opening of the medicine inlet hole extends all the way through the side wall of the piston; an adjusting cylinder is arranged at the orifice of the blind hole, the adjusting cylinder is coaxial with the blind hole and is coaxially fixed with the blind hole, and the sliding stroke of the piston is limited by the adjusting cylinder.
Further: the end face of the piston, which is close to the needle head, is coaxially provided with a clamping hole, one end of the needle head, which is close to the piston, is coaxially fixed with a fastening plug, and the needle head is detachably fixed with the clamping hole through the fastening plug.
Further: the adjusting cylinder is in threaded connection with the blind hole.
Further: the fixing sleeve is made of transparent materials.
Has the advantages that: this scheme provides an oral cavity gum anesthesia injection device for carry out the anesthesia injection to the gum in human oral cavity, the acupuncture accuracy, aim at the convenience, easy operation adopts suction air pump to accomplish the propulsion of syringe needle and pierces and reset, alleviates doctor's burden, effectively reduces patient's misery simultaneously.
Drawings
FIG. 1 is a schematic view of the general structure of the anesthesia injection device of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic view of the internal structure of the middle fixing sleeve of the present invention.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1, fig. 2 and fig. 3, the utility model discloses an oral cavity gum anesthesia injection device, including injection cylinder 1, medicine hose 2, syringe needle 6, fixed cover 3, aspiration pump 4 and compressed air pipe 5, set up the breach of a U font on the fixed cover 3, this breach includes a bottom surface 31 and two sides 32, utilizes this breach can be with fixed cover 3 card on patient's gum.
A blind hole 3a is formed in one side surface 32 of the notch, and the axis of the blind hole 3a is perpendicular to the side surface 32 provided with the notch; a medicine hole 3c is formed in the fixed sleeve 3, one orifice of the medicine hole 3c extends to the side wall of the blind hole 3a and is communicated with the blind hole 3a, and the other orifice of the medicine hole 3c is communicated with the liquid outlet of the injection needle cylinder 1 through the medicine hose 2.
The bottom of the blind hole 3a is provided with an air hole 3b, one end of the compressed air pipe 5 is communicated with the air hole 3b, the other end of the compressed air pipe 5 is communicated with the air suction pump 4, and the air suction pump 4 utilizes the compressed air pipe 5 to charge compressed air into the blind hole 3a or suck air in the blind hole 3 a; a piston 8 is arranged in the blind hole 3a in a sliding fit mode, a medicine inlet hole 8a is formed in the piston 8, the needle head 6 is coaxially fixed with the piston 8, one hole opening of the medicine inlet hole 8a is communicated with the tail portion of the needle head 6, and the other hole opening of the medicine inlet hole 8a extends through the side wall of the piston 8.
An adjusting cylinder is arranged at the orifice of the blind hole 3a, is coaxial with the blind hole 3a and is coaxially fixed with the blind hole 3a, and the sliding stroke of the piston 8 along the axis of the blind hole 3a is limited by the adjusting cylinder. It should be noted that: in the optimized scheme, the adjusting cylinder is in threaded connection with the blind hole 3 a. As shown in fig. 3, the adjustment cylinder is rotated to release the adjustment piston 8 and the adjustment cylinder, so as to adjust the distance of the needle 6 moving leftward, and therefore, the depth of the needle 6 penetrating into the gum can be adjusted by adjusting the cylinder, and the requirements of different patients on needle insertion can be met.
In order to facilitate the replacement of the needle 6, in a further optimization: the end face, close to the needle head 6, of the piston 8 is coaxially provided with a clamping hole, one end, close to the piston 8, of the needle head 6 is coaxially fixed with a fastening plug 7, and the needle head 6 is detachably fixed with the clamping hole through the fastening plug 7.
Certainly, the fixed cover 3 in this scheme selects for use the medical plastics of transparent for the limited time to make, also is the transparent cover, does benefit to the doctor like this and observes fixed cover 3 more and whether targets in place, whether syringe needle 6 aims at. The following is a description of the working principle of the present application with specific embodiments:
as shown in fig. 1, the syringe 1 is used for injecting medicine into the gum, and the suction pump is used for controlling the piston 8 to move left and right along the axial direction of the blind hole 3 a. In the initial state, the tip of the needle 6 does not exceed or slightly exceeds the opening of the blind hole 3a, i.e. the needle 6 is substantially completely hidden inside the adjustment cylinder. Firstly, the fixing sleeve 3 is clamped on the gum of a patient through the notch, and then anesthetic liquid is injected into the injection syringe 1. The air pump 4 instantly feeds compressed air into the blind hole 3a through the compressed air pipe 5, and the piston 8 moves leftwards quickly. As shown in FIG. 3, the needle tip projects rapidly to the left over the side 32 of the notch and then penetrates the patient's gum. At this time, the medicine inlet hole 8a of the piston 8 is communicated with the medicine inlet hole 3c to push the injection syringe 1, and the anesthetic liquid enters the needle 6 through the medicine flowing hose 2, the medicine inlet hole 3c and the medicine inlet hole 8a and then enters the gum of the patient, so that the anesthetic injection of the gum of the patient is completed. After the injection of the anesthetic liquid is finished, the suction air pump 4 runs reversely, the suction air pump 4 pumps out air in the blind hole 3a, the piston 8 moves rightwards, and the needle 6 is withdrawn from the gum of the patient and is recovered to the initial state.
It should be noted that: the needle 6 needs to be replaced once per injection, which is advantageous in preventing cross-infection. In view of the above operation mode, the anesthesia injection device in the present application is very simple to operate, and has the advantages of rapidness, high efficiency, convenient operation and lower technical requirement compared with the existing manual needle insertion mode.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. An oral cavity gum anesthesia injection device which characterized in that: the device comprises an injection syringe (1), a medicine hose (2), a needle head (6), a fixing sleeve (3), an air suction pump (4) and a compressed air pipe (5), wherein the fixing sleeve (3) is provided with a U-shaped notch which comprises a bottom surface (31) and two side surfaces (32), and the fixing sleeve (3) can be clamped on the gum of a patient by utilizing the notch; a blind hole (3a) is formed in one side surface (32) of the notch, and the axis of the blind hole (3a) is perpendicular to the side surface (32) provided with the notch; a medicine hole (3c) is formed in the fixed sleeve (3), one orifice of the medicine hole (3c) extends to the side wall of the blind hole (3a) and is communicated with the blind hole (3a), and the other orifice of the medicine hole (3c) is communicated with the liquid outlet of the injection needle cylinder (1) through the medicine hose (2); the bottom of the blind hole (3a) is provided with an air hole (3b), one end of the compressed air pipe (5) is communicated with the air hole (3b), the other end of the compressed air pipe (5) is communicated with the air suction pump (4), and the air suction pump (4) utilizes the compressed air pipe (5) to charge compressed air into the blind hole (3a) or suck air in the blind hole (3 a); a piston (8) is matched in the blind hole (3a) in a sliding manner, a medicine inlet hole (8a) is formed in the piston (8), the needle head (6) and the piston (8) are coaxially fixed, one hole opening of the medicine inlet hole (8a) is communicated with the tail part of the needle head (6), and the other hole opening of the medicine inlet hole (8a) extends through the side wall of the piston (8); an adjusting cylinder is arranged at the orifice of the blind hole (3a), the adjusting cylinder is coaxial with the blind hole (3a) and is coaxially fixed with the blind hole (3a), and the sliding stroke of the piston (8) is limited by the adjusting cylinder.
2. The oral gingival anesthesia injection device of claim 1, wherein: the end face, close to the needle head (6), of the piston (8) is coaxially provided with a clamping hole, one end, close to the piston (8), of the needle head (6) is coaxially fixed with a fastening plug (7), and the needle head (6) is detachably fixed with the clamping hole through the fastening plug (7).
3. The oral gingival anesthesia injection device of claim 1, wherein: the adjusting cylinder is in threaded connection with the blind hole (3 a).
4. The oral gingival anesthesia injection device of claim 1, wherein: the fixing sleeve (3) is made of transparent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244917.3U CN213910668U (en) | 2020-06-28 | 2020-06-28 | Oral cavity gum anesthesia injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244917.3U CN213910668U (en) | 2020-06-28 | 2020-06-28 | Oral cavity gum anesthesia injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213910668U true CN213910668U (en) | 2021-08-10 |
Family
ID=77141933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021244917.3U Expired - Fee Related CN213910668U (en) | 2020-06-28 | 2020-06-28 | Oral cavity gum anesthesia injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213910668U (en) |
-
2020
- 2020-06-28 CN CN202021244917.3U patent/CN213910668U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |