CN215653279U - Injection device for anesthesia - Google Patents
Injection device for anesthesia Download PDFInfo
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- CN215653279U CN215653279U CN202122353848.0U CN202122353848U CN215653279U CN 215653279 U CN215653279 U CN 215653279U CN 202122353848 U CN202122353848 U CN 202122353848U CN 215653279 U CN215653279 U CN 215653279U
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- injection
- injection needle
- anesthesia
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- needle cylinder
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Abstract
The utility model discloses an injection device for anesthesia, which comprises an injection needle cylinder, scale strips, a pushing rod and an injection needle head, wherein the scale strips are arranged on the surface of the injection needle cylinder, the pushing rod is arranged in the injection needle cylinder, and the injection needle head which is convenient to insert into a patient body is arranged in the middle of the left end of the injection needle cylinder; further comprising: the abutting rod is arranged on the side of the pushing rod; the guide screw is arranged on the side of the left end of the injection needle cylinder and is connected with a movable adjusting block; the positioning block is fixedly arranged on the side of the injection syringe, and a moving block is arranged on the side of the positioning block; the lateral screw rod is arranged on the side of the sleeve ring, and the inner end of the lateral screw rod is fixedly connected with a connecting baffle. This injection device for anesthesia can avoid simple dependence scale strip to judge the injection volume at the injection volume of the effectual control anesthetic of in-process that uses, can control the anesthesia syringe needle simultaneously and pierce the internal degree of depth of patient.
Description
Technical Field
The utility model relates to the technical field of injection devices, in particular to an injection device for anesthesia.
Background
Anesthesia refers to a method of performing surgical treatment by temporarily losing the whole or part of a patient's body by using a medicine or other methods to achieve a painless purpose, and a corresponding injection device is generally used in order to inject an anesthetic into the patient's body during the process of anesthetizing the patient.
However, the existing injection devices have the following problems:
the local anesthesia device for clinical anesthesia department with publication number CN211158020U, which comprises an injection tube and baffles fixed on two sides of the end of the injection tube, wherein one end of the injection tube is fixedly connected with a needle head, the outer surface of the conical tube is provided with anti-skid threads, the end of the conical tube is fixedly connected with a needle head, the outer surface of the needle head is provided with a protective sleeve, only a scale strip arranged on the needle head can be utilized for controlling the quantity of anesthetic to be injected in the injection process, the push rod of the needle head is inconvenient to collide and limit after the anesthetic is injected to a proper quantity, so that the injection quantity is judged by simply relying on the scale strip, and when the push rod is accidentally touched by external force, the push rod is easily moved to extrude the anesthetic in the injection tube into a patient.
We have therefore proposed an injection device for anaesthesia which facilitates the solution of the problems set out above.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an injection device for anesthesia, which solves the problems that the existing injection device in the market only utilizes the scale bars disposed thereon to control the amount of anesthetic to be injected during the injection process, and the push rod of the existing injection device is not convenient to be collided and limited after the injection device injects a proper amount, so that the injection amount is determined by the scale bars, and further, when the push rod is accidentally touched by external force, the push rod is easy to move to extrude the anesthetic in the syringe into the body of a patient.
In order to achieve the purpose, the utility model provides the following technical scheme: an injection device for anesthesia comprises an injection needle cylinder, scale strips, a pushing rod and an injection needle head, wherein the scale strips are arranged on the surface of the injection needle cylinder, the pushing rod is arranged inside the injection needle cylinder, and the injection needle head which is convenient to insert into a patient body is arranged in the middle of the left end of the injection needle cylinder;
further comprising:
the abutting rod is arranged on the side of the pushing rod;
the guide screw is arranged on the side of the left end of the injection needle cylinder and is connected with a movable adjusting block;
the positioning block is fixedly arranged on the side of the injection needle cylinder, a moving block is arranged on the side of the positioning block, the outer end of the moving block is arranged in the sleeving ring, and the inner part of the sleeving ring and the outer end of the moving block are connected with each other through an internal spring for providing resetting elasticity;
the lateral screw rod is installed on the lateral side of the sleeving ring, the inner end of the lateral screw rod is fixedly connected with a linking baffle, and the linking baffle is arranged inside the sleeving ring.
Preferably, be fixed connection between the tip avris of conflict pole and pushing ram, and constitute sliding connection structure between the side of conflict pole and syringe.
Through adopting above-mentioned technical scheme, thereby can drive fixed connection's conflict pole through the removal of pushing ram and carry out synchronous movement.
Preferably, the injection needle is in sliding connection with the middle of the movable adjusting block, and the movable adjusting block is in threaded connection with the guide screw.
Through adopting above-mentioned technical scheme, insert the middle part at the activity regulating block through the point thorn end of syringe needle to can protect the syringe needle at the in-process that does not use, avoid the point thorn end of syringe needle to cause the injury to the human body, the rotation through lead screw can make threaded connection's activity regulating block remove simultaneously, and position change through the activity regulating block, and then can conveniently control the degree of depth that the syringe needle inserted the human body.
Preferably, the positioning blocks are uniformly distributed on the side of the injection needle cylinder at equal intervals, and the uniformly distributed positioning blocks are all arranged in an isosceles triangle structure.
Through adopting above-mentioned technical scheme, utilize the evenly distributed of locating piece at injection syringe avris to can contradict the pressure to the movable rod.
Preferably, the movable block and the socket ring form an elastic telescopic structure through a built-in spring, and the inner end of the movable block is attached to the positioning block.
Through adopting above-mentioned technical scheme, can make the movable block after cup joint the inside removal of ring go on springback and reset through the setting of innerspring.
Preferably, the connecting baffle at the end part of the lateral screw rod and the moving block are positioned on the same straight line, and the lateral screw rod is in threaded connection with the lateral side of the sleeving ring.
Through adopting above-mentioned technical scheme, through the rotation of side direction screw rod on the bell and spigot joint ring and thus can make the linking baffle of tip carry out synchronous movement.
Compared with the prior art, the utility model has the beneficial effects that: the injection device for anesthesia can effectively control the injection amount of anesthetic in the using process, avoids the judgment of the injection amount by simply relying on a scale bar, and can control the depth of the anesthetic needle head penetrating into the body of a patient;
1. the movable adjusting block is arranged and inserted into the middle of the movable adjusting block through the injection needle, so that a sharp thorn section of the injection needle can be protected in the process of nonuse, the injury to a human body caused by the sharp thorn section of the injection needle is avoided, meanwhile, when the injection needle needs to be subjected to injection anesthesia, the guide screw rod is rotated, the movable adjusting block in threaded connection can be moved through the rotation of the guide screw rod, the sharp thorn section of the injection needle extends outwards at the moment, and the penetration depth of the injection needle can be effectively controlled conveniently by controlling the distance between the movable adjusting block and the sharp thorn section of the injection needle;
2. be provided with the cup joint ring, the volume through injecting anesthesia as required removes the cup joint ring, after the cup joint ring removes suitable position, pivoted side direction screw rod, the rotation of side direction screw rod can make linking baffle and movable block take place to contradict, carry on spacingly from this to the movable block, thereby realize fixed to cup joint ring position, only need promote the pushing ram at the in-process of injection this moment, when the conflict pole of pushing ram avris and the mutual butt of avris of cup joint ring, can accomplish quantitative injection.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural diagram of the movable adjusting block after moving;
FIG. 3 is a schematic cross-sectional view of an injection syringe and a pusher arm according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
fig. 5 is a schematic top view of the moving block and the socket ring of the present invention.
In the figure: 1. an injection syringe; 2. a scale bar; 3. a push rod; 4. a touch bar; 5. an injection needle; 6. a lead screw; 7. a movable adjusting block; 8. positioning blocks; 9. a moving block; 10. a sleeving connection ring; 11. a built-in spring; 12. a lateral screw; 13. the baffle is connected.
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. 1-5, the present invention provides a technical solution: an injection device for anesthesia comprises an injection needle cylinder 1, scale strips 2, a push rod 3 and an injection needle head 5, wherein the scale strips 2 are arranged on the surface of the injection needle cylinder 1, the push rod 3 is arranged in the injection needle cylinder 1, and the injection needle head 5 which is convenient to insert into a patient body is arranged in the middle of the left end of the injection needle cylinder 1;
further comprising:
an abutting rod 4 arranged at the side of the pushing rod 3;
a guide screw 6 which is arranged at the left end side of the injection syringe 1, and a movable adjusting block 7 is connected on the guide screw 6;
the positioning block 8 is fixedly arranged on the side of the injection syringe 1, a moving block 9 is arranged on the side of the positioning block 8, the outer end of the moving block 9 is arranged in the sleeving ring 10, and the inner part of the sleeving ring 10 and the outer end of the moving block 9 are connected with each other through a built-in spring 11 for providing resetting elasticity;
the lateral screw 12 is installed on the side of the sleeve ring 10, the inner end of the lateral screw 12 is fixedly connected with a connecting baffle 13, and the connecting baffle 13 is arranged inside the sleeve ring 10.
The end edge sides of the contact rod 4 and the pushing rod 3 are fixedly connected, and a sliding connection structure is formed between the contact rod 4 and the side edge of the injection syringe 1.
The injection needle 5 is in sliding connection with the middle part of the movable adjusting block 7, and the movable adjusting block 7 is in threaded connection with the guide screw 6.
As shown in fig. 1 and fig. 2, when not needing to inject anesthesia, the spine section of syringe needle 5 is located the middle part of activity regulating block 7, thereby can protect the spine section of syringe needle 5 through activity regulating block 7, avoid the spine section of syringe needle 5 to cause stabbing to the human body, simultaneously when needs inject, rotate lead screw 6, the rotation of lead screw 6 can make threaded connection's activity regulating block 7 remove, thereby can make the spine section of syringe needle 5 outwards stretch out through the removal of activity regulating block 7, utilize the distance between the spine section of activity regulating block 7 and syringe needle 5 to adjust, thereby can conveniently control the degree of depth that syringe needle 5 inserted the patient.
The positioning blocks 8 are uniformly distributed on the side of the injection syringe 1 at equal intervals, and the uniformly distributed positioning blocks 8 are all arranged in an isosceles triangle structure.
An elastic telescopic structure is formed between the moving block 9 and the sleeve ring 10 through an internal spring 11, and the inner end of the moving block 9 is attached to the positioning block 8.
The connecting baffle 13 at the end part of the lateral screw 12 and the moving block 9 are positioned on the same straight line, and the lateral screw 12 is in threaded connection with the side of the socket ring 10.
As shown in fig. 1 and 3-5, in the injection process, firstly, the sleeving ring 10 is adjusted to a proper position according to the injection amount required and corresponding to the scale bar 2, the sleeving ring 10 is pushed on the injection syringe 1, the moving block 9 at the inner side of the sleeving ring 10 is abutted against the positioning block 8 at the side of the injection syringe 1, then the moving block 9 moves on the sleeving ring 10, when the sleeving ring 10 is adjusted to a proper position, the lateral screw 12 is rotated, the rotation of the lateral screw 12 can enable the connecting baffle 13 at the end part of the lateral screw to be abutted against the outer end of the moving block 9, the abutting of the connecting baffle 13 and the moving block 9 can be avoided, the movement of the moving block 9 after being stressed can be avoided, so that the fixation of the sleeving ring 10 can be completed, then, only the push rod 3 is needed to be pushed during the injection, when the abutting rod 4 at the side of the push rod 3 is abutted against the adjusted sleeving ring 10, the quantitative injection can be completed, avoiding the need to inject too much or too little anesthetic at a time.
The working principle is as follows: when using this injection apparatus for anesthesia, at first according to shown in fig. 1-5, thereby can protect the spine section of syringe needle 5 through activity regulating block 7, avoid the spine section of syringe needle 5 to cause stabbing to the human body, utilize the distance adjustment between the spine section of activity regulating block 7 and syringe needle 5 simultaneously, thereby can conveniently control the internal degree of depth of syringe needle 5 insertion patient, promote to overlap and connect ring 10 on syringe needle 1 and make its cup joint ring 10 adjust suitable scale position, only need promote propulsion pole 3 when injecting, when the conflict pole 4 of 3 avris of propulsion pole and the cup joint ring 10 after adjusting take place the butt, can accomplish quantitative injection.
Those not described in detail in this specification are within the skill of the art.
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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. An injection device for anesthesia comprises an injection needle cylinder (1), scale strips (2), a push rod (3) and an injection needle head (5), wherein the scale strips (2) are arranged on the surface of the injection needle cylinder (1), the push rod (3) is arranged inside the injection needle cylinder (1), and the injection needle head (5) which is convenient to insert into a patient body is arranged in the middle of the left end of the injection needle cylinder (1);
it is characterized by also comprising:
a touch bar (4) arranged on the side of the push bar (3);
the guide screw (6) is arranged on the left end side of the injection needle cylinder (1), and a movable adjusting block (7) is connected to the guide screw (6);
the positioning block (8) is fixedly arranged on the side of the injection needle cylinder (1), a moving block (9) is arranged on the side of the positioning block (8), the outer end of the moving block (9) is arranged in a sleeving ring (10), and the inner part of the sleeving ring (10) and the outer end of the moving block (9) are connected with each other through a built-in spring (11) for providing resetting elasticity;
lateral screw (12), install the avris of cover joint ring (10), the inner fixedly connected with of lateral screw (12) links up baffle (13), and links up baffle (13) and set up the inside of cover joint ring (10).
2. An injection device for anesthesia as claimed in claim 1, wherein: the end edge sides of the contact rod (4) and the pushing rod (3) are fixedly connected, and a sliding connection structure is formed between the contact rod (4) and the side edge of the injection syringe (1).
3. An injection device for anesthesia as claimed in claim 1, wherein: the middle parts of the injection needle head (5) and the movable adjusting block (7) are in sliding connection, and the movable adjusting block (7) and the guide screw rod (6) are in threaded connection.
4. An injection device for anesthesia as claimed in claim 1, wherein: the positioning blocks (8) are uniformly distributed on the side of the injection syringe (1) at equal intervals, and the uniformly distributed positioning blocks (8) are all arranged in an isosceles triangle structure.
5. An injection device for anesthesia as claimed in claim 1, wherein: an elastic telescopic structure is formed between the moving block (9) and the sleeving ring (10) through a built-in spring (11), and the inner end of the moving block (9) is attached to the positioning block (8).
6. An injection device for anesthesia as claimed in claim 1, wherein: the connecting baffle (13) at the end part of the lateral screw rod (12) and the moving block (9) are positioned on the same straight line, and the lateral screw rod (12) is in threaded connection with the side of the sleeve ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122353848.0U CN215653279U (en) | 2021-09-28 | 2021-09-28 | Injection device for anesthesia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122353848.0U CN215653279U (en) | 2021-09-28 | 2021-09-28 | Injection device for anesthesia |
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| Publication Number | Publication Date |
|---|---|
| CN215653279U true CN215653279U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122353848.0U Active CN215653279U (en) | 2021-09-28 | 2021-09-28 | Injection device for anesthesia |
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| CN (1) | CN215653279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040750A (en) * | 2022-07-19 | 2022-09-13 | 四川省骨科医院 | Orthopedic local anesthesia device with accurate limb anti-shaking function and using method thereof |
-
2021
- 2021-09-28 CN CN202122353848.0U patent/CN215653279U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040750A (en) * | 2022-07-19 | 2022-09-13 | 四川省骨科医院 | Orthopedic local anesthesia device with accurate limb anti-shaking function and using method thereof |
| CN115040750B (en) * | 2022-07-19 | 2023-11-17 | 四川省骨科医院 | Orthopedic local anesthesia device for accurate limb anti-shake and application method thereof |
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