CN221384676U - Anesthetic needle capable of quantitatively controlling dosage - Google Patents

Anesthetic needle capable of quantitatively controlling dosage Download PDF

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Publication number
CN221384676U
CN221384676U CN202322033111.XU CN202322033111U CN221384676U CN 221384676 U CN221384676 U CN 221384676U CN 202322033111 U CN202322033111 U CN 202322033111U CN 221384676 U CN221384676 U CN 221384676U
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China
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block
groove
fixedly connected
anesthetic needle
main body
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CN202322033111.XU
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Chinese (zh)
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龙鼎德
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First Affiliated Hospital of Nanchang University
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First Affiliated Hospital of Nanchang University
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Abstract

The utility model relates to the technical field of anesthetic needles, in particular to an anesthetic needle capable of quantitatively controlling the dosage; comprising the following steps: handles are fixedly connected to two sides of the top of the anesthetic needle main body; the upper part and the lower part of the inside of the anesthetic needle main body are fixedly connected with a driving cavity and a liquid medicine cavity, and the driving cavity is arranged at the upper end of the liquid medicine cavity; the beneficial effects are that: the push block is pushed to move in the inner groove, and meanwhile the push block can drive the limiting block to move in the penetrating groove, so that the blocking block can be moved to a designated position, and when the push rod is pushed downwards, the push rod can synchronously drive the limiting block and the piston to move downwards, so that when the limiting block is contacted with the blocking block, the blocking block can limit the limiting block to move downwards, and simultaneously can synchronously limit the piston to move downwards, so that gunpowder injection is prevented; therefore, the amount of the liquid medicine can be injected according to the requirement, the stop block is moved to the corresponding position by pushing the push block to limit the limiting block, so that the using amount of the gunpowder can be accurately controlled, the gunpowder can be quantitatively injected, and the gunpowder is prevented from being excessively injected or excessively injected.

Description

Anesthetic needle capable of quantitatively controlling dosage
Technical Field
The utility model relates to the technical field of anesthetic needles, in particular to an anesthetic needle capable of quantitatively controlling the dosage.
Background
The anesthesia means that the patient loses sense wholly or locally temporarily by using medicines or other methods so as to achieve the purpose of no pain, the basic theory, clinical knowledge and technology related to anesthesia are applied to eliminate the pain of the patient during operation, the safety of the patient is ensured, and a good condition is created for the operation at present, and quantitative anesthetic is injected into the patient by using a needle tube injector during the operation anesthesia process so as to achieve the anesthesia effect; in the injection process of the existing anesthetic needle, when medical staff pushes the piston, the piston is easy to push too much or too little, so that the anesthetic is easy to inject too much or too little, and the injection quantity of the anesthetic to a patient cannot be accurately controlled; therefore, we propose an anesthetic needle capable of quantitatively controlling the dosage to solve the above problems.
Disclosure of utility model
The utility model aims to solve the defects in the background technology and provides an anesthetic needle capable of quantitatively controlling the dosage.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an anesthetic needle capable of quantitatively controlling a dosage, comprising: the anesthetic needle comprises an anesthetic needle body, a handle, a driving cavity, a liquid medicine cavity, a through hole, a slide tube, a push rod, a piston, a slide rod, a limiting block, an inner groove, a slide groove, a push block, a slide block, a penetrating groove, a positioning groove, a blocking block, a positioning strip, a first scale mark, a second scale mark and a needle head; handles are fixedly connected to two sides of the top of the anesthetic needle main body; the upper part and the lower part of the inside of the anesthetic needle main body are fixedly connected with a driving cavity and a liquid medicine cavity, and the driving cavity is arranged at the upper end of the liquid medicine cavity; the top of the anesthetic needle main body is fixedly connected with a through hole; the driving cavity and the liquid medicine cavity are penetrated through by a sliding pipe; the inside of the driving cavity is movably connected with a push rod, the top of the push rod extends to the outside of the anesthetic needle main body through a through hole, and the bottom of the push rod extends to the inside of the liquid medicine cavity through a slide tube; the bottom of the push rod is fixedly connected with a piston, and the piston is arranged in the liquid medicine cavity; a sliding rod is fixedly connected to the right side inside the driving cavity; a limiting block is fixedly connected to the right side of the middle of the push rod, and the inside of the limiting block is movably connected with the outer wall of the slide rod; an inner groove is fixedly connected to the top of the outer wall of the right side of the anesthetic needle main body; the inner parts of the two sides of the inner groove are fixedly connected with sliding grooves; a pushing block is movably connected inside the inner groove; the sliding blocks are arranged on two sides of the pushing block and are arranged in the sliding groove; a through groove which penetrates through the driving cavity is formed in the middle of the inner groove; positioning grooves are fixedly connected inside the edges of the two sides of the through groove; the inner side of the pushing block is fixedly connected with a blocking block, and the blocking block extends into the driving cavity through the through groove and is movably connected with the sliding rod; the right side of the blocking block is provided with a positioning strip up and down, and the positioning strip is arranged in the positioning groove; the upper side of the outer wall of the anesthetic needle main body is fixedly connected with a first scale wire; the lower side of the outer wall of the anesthetic needle main body is fixedly connected with a second scale mark; the bottom of the anesthetic needle main body is movably connected with a needle head.
Preferably, the distance of downward movement of the limiting block is equal to the distance of downward movement of the piston, and the blocking block corresponds to the limiting block up and down.
Preferably, the first scale line corresponds to the inner groove, the top of the blocking block corresponds to the first scale line, and the second scale line corresponds to the inside of the liquid medicine cavity.
As one preferable mode of the utility model, the limiting block and the blocking block are both in sliding structures with the sliding rod.
As one preferable mode of the utility model, the inner side of the pushing block is tightly attached to the surface of the inner groove, and the sliding block and the sliding groove are of a sliding structure
As one preferable mode of the utility model, the positioning strip is made of rubber material, and the positioning strip and the positioning groove are of a sliding structure.
As a preferable mode of the utility model, the bottom of the handle is arranged in an arc-shaped structure.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The push block is pushed to move in the inner groove, and meanwhile the push block can drive the limiting block to move in the penetrating groove, so that the blocking block can be moved to a designated position, and when the push rod is pushed downwards, the push rod can synchronously drive the limiting block and the piston to move downwards, so that when the limiting block is contacted with the blocking block, the blocking block can limit the limiting block to move downwards, and simultaneously can synchronously limit the piston to move downwards, so that gunpowder injection is prevented; therefore, the amount of the liquid medicine can be injected according to the requirement, the stop block is moved to the corresponding position by pushing the push block to limit the limiting block, so that the using amount of the gunpowder can be accurately controlled, the gunpowder can be quantitatively injected, and the gunpowder is prevented from being excessively injected or excessively injected.
(2) The stop block is convenient to know the stop position through the first scale mark, the downward moving distance of the limiting block is convenient to know, and the downward moving distance of the piston can be synchronously known, so that the anesthetic injection quantity can be known; meanwhile, the quantity of the anesthetic liquid injection can be obtained through the second scale mark, so that the anesthetic liquid injection is more accurate through the accurate correspondence of the first scale mark and the second scale mark.
(3) The positioning strip is made of rubber materials, so that the positioning strip has certain elasticity, and when the blocking block drives the positioning strip to move in the positioning groove, the positioning strip can be clung to the inside of the positioning groove through the elasticity of the positioning strip, and the blocking block can be fixed in real time, so that the blocking block cannot move after moving to a specified position.
Drawings
FIG. 1 is a front view of the entire present utility model;
FIG. 2 is a schematic view of the overall push rod extension structure of the present utility model;
FIG. 3 is a schematic diagram of the overall front cross-sectional structure of FIG. 1 of the present utility model;
FIG. 4 is a schematic diagram of the overall front cross-sectional structure of FIG. 2 of the present utility model;
FIG. 5 is a schematic top cross-sectional view of the overall FIG. 1 structure of the present utility model;
FIG. 6 is an enlarged schematic view of the structure of FIG. 3A in its entirety in accordance with the present utility model;
FIG. 7 is an enlarged schematic view of the structure of FIG. 5B in its entirety in accordance with the present utility model;
Fig. 8 is an enlarged schematic view of the structure of fig. 5C in its entirety according to the present utility model.
In the figure: 1. an anesthetic needle body; 2. a handle; 3. a drive chamber; 4. a liquid medicine cavity; 5. a through hole; 6. a slide tube; 7. a push rod; 8. a piston; 9. a slide bar; 10. a limiting block; 11. an inner tank; 12. a chute; 13. a pushing block; 1301. a slide block; 14. a through groove; 15. a positioning groove; 16. a blocking piece; 17. a positioning strip; 18. a first scale line; 19. a second graduation mark; 20. a needle.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
An anesthetic needle for quantitatively controlling a dosage as shown in fig. 1 to 8, comprising: the anesthetic needle comprises an anesthetic needle body 1, a handle 2, a driving cavity 3, a liquid medicine cavity 4, a through hole 5, a slide tube 6, a push rod 7, a piston 8, a slide rod 9, a limiting block 10, an inner groove 11, a sliding groove 12, a push block 13, a slide block 1301, a penetrating groove 14, a positioning groove 15, a blocking block 16, a positioning strip 17, a first scale line 18, a second scale line 19 and a needle head 20; handles 2 are fixedly connected to two sides of the top of the anesthetic needle main body 1; the upper part and the lower part of the inside of the anesthesia needle main body 1 are fixedly connected with a driving cavity 3 and a liquid medicine cavity 4, and the driving cavity 3 is arranged at the upper end of the liquid medicine cavity 4; the top of the anesthetic needle main body 1 is fixedly connected with a through hole 5; the driving cavity 3 and the liquid medicine cavity 4 are penetrated through by a slide tube 6; the inside of the driving cavity 3 is movably connected with a push rod 7, the top of the push rod 7 extends to the outside of the anesthetic needle main body 1 through the through hole 5, and the bottom of the push rod 7 extends to the inside of the liquid medicine cavity 4 through the slide tube 6; the bottom of the push rod 7 is fixedly connected with a piston 8, and the piston 8 is arranged in the liquid medicine cavity 4; the right side inside the driving cavity 3 is fixedly connected with a sliding rod 9; a limiting block 10 is fixedly connected to the right side of the middle part of the push rod 7, and the inside of the limiting block 10 is movably connected with the outer wall of the slide rod 9; the top of the outer wall of the right side of the anesthetic needle main body 1 is fixedly connected with an inner groove 11; the inside of both sides of the inner groove 11 is fixedly connected with a chute 12; a pushing block 13 is movably connected in the inner groove 11; the sliding blocks 1301 are arranged on two sides of the pushing block 13, and the sliding blocks 1301 are arranged inside the sliding grooves 12; a through groove 14 penetrating through the driving cavity 3 is arranged in the middle of the inner groove 11; positioning grooves 15 are fixedly connected inside the edges of the two sides of the through groove 14; the inner side of the push block 13 is fixedly connected with a blocking block 16, and the blocking block 16 extends into the driving cavity 3 through a through groove 14 to be movably connected with the slide rod 9; the right side of the blocking block 16 is provided with a positioning strip 17 up and down, and the positioning strip 17 is arranged in the positioning groove 15; the upper side of the outer wall of the anesthetic needle body 1 is fixedly connected with a first scale mark 18; the lower side of the outer wall of the anesthetic needle main body 1 is fixedly connected with a second scale mark 19; the bottom of the anesthetic needle main body 1 is movably connected with a needle head 20.
In this embodiment, the distance of downward movement of the stopper 10 is equal to the distance of downward movement of the piston 8, and the blocking piece 16 corresponds to the stopper 10 up and down.
When the device is specifically used, the push block 13 is pushed to enable the push block 13 to move in the inner groove 11, meanwhile, the push block 13 can drive the limiting block 10 to move in the penetrating groove 14, and the blocking block 16 can be moved to a designated position, so that when the push rod 7 is pushed downwards, the push rod 7 can synchronously drive the limiting block 10 and the piston 8 to move downwards, when the limiting block 10 is contacted with the blocking block 16, the blocking block 16 can limit the limiting block 10 to move downwards, and simultaneously can synchronously limit the piston 8 to move downwards, so that gunpowder injection is prevented; therefore, the stopper 10 is limited by pushing the pushing block 13 to move the blocking block 16 to the corresponding position according to the required injection quantity of the liquid medicine, so that the using quantity of the gunpowder can be accurately controlled, and the gunpowder can be quantitatively injected.
In the present embodiment, the first scale line 18 corresponds to the inner tank 11, the top of the blocking block 16 corresponds to the first scale line 18, and the second scale line 19 corresponds to the inside of the liquid medicine chamber 4.
In specific use, the stop block 16 is convenient to know the stop position through the first scale line 18, the downward moving distance of the limiting block 10 is convenient to know, and the downward moving distance of the piston 8 is also synchronous, so that the injection quantity of anesthetic liquid can be known; meanwhile, the quantity of the anesthetic liquid injection can be known through the second graduation marks 19, so that the anesthetic liquid injection is more accurate through the accurate correspondence between the first graduation marks 18 and the second graduation marks 19.
In this embodiment, a sliding structure is formed between the stopper 10 and the blocking piece 16 and the sliding rod 9.
When the limiting block 10 and the blocking block 16 move up and down in specific use, the limiting block 10 and the blocking block 16 both move up and down on the sliding rod 9, so that the moving stability of the limiting block 10 and the blocking block 16 can be improved.
In this embodiment, the inner side of the pushing block 13 is tightly attached to the surface of the inner groove 11, and the sliding block 1301 and the sliding groove 12 are of a sliding structure.
When the device is specifically used, the inner side of the push block 13 is tightly attached to the surface of the inner groove 11, so that the push block 13 is not easy to slide in the inner groove 11, and the stay stability of the blocking block 16 is ensured; meanwhile, the sliding block 1301 slides in the sliding groove 12, so that the pushing block 13 can move more stably.
In this embodiment, the positioning strip 17 is made of rubber material, and the positioning strip 17 and the positioning groove 15 are of sliding structure.
When the positioning device is specifically used, the positioning strip 17 is made of rubber materials, so that the positioning strip 17 has certain elasticity, and when the blocking piece 16 drives the positioning strip 17 to move in the positioning groove 15, the positioning strip 17 can be tightly attached to the inside of the positioning groove 15 through the elasticity of the positioning strip 17, and the blocking piece 16 can be fixed in real time, so that the blocking piece 16 cannot move after moving to a specified position.
In this embodiment, the bottom of the handle 2 is arranged in an arc-shaped structure.
When the device is specifically used, the bottom of the handle 2 is in an arc-shaped structure, so that fingers can be placed at the arc-shaped groove at the bottom of the handle 2, and the fingers are limited, so that the fingers are not easy to fall off when a patient is injected, and the safety of injection is improved.
The utility model relates to an anesthetic needle capable of quantitatively controlling the dosage, which adopts the working principle that:
When the anti-injection device is used, the push block 13 can move in the inner groove 11 by pushing the push block 13, meanwhile, the push block 13 can drive the limiting block 10 to move in the penetrating groove 14, and the blocking block 16 can be moved to a designated position, so that when the push rod 7 is pushed downwards, the push rod 7 can synchronously drive the limiting block 10 and the piston 8 to move downwards, when the limiting block 10 is contacted with the blocking block 16, the blocking block 16 can limit the limiting block 10 to move downwards, and simultaneously can synchronously limit the piston 8 to move downwards, so that the injection of gunpowder is prevented; therefore, according to the amount of the liquid medicine required to be injected, the stop block 16 is moved to the corresponding position by pushing the push block 13 to limit the limiting block 10, so that the using amount of the gunpowder can be accurately controlled, and the gunpowder can be quantitatively injected;
Meanwhile, the stop block 16 is convenient to know the stop position through the first scale mark 18, the downward moving distance of the limiting block 10 is convenient to know, and the downward moving distance of the piston 8 can be synchronously known, so that the injection quantity of anesthetic liquid can be known; meanwhile, the quantity of the anesthetic liquid injection can be known through the second scale mark 19, so that the anesthetic liquid injection is more accurate through the accurate correspondence between the first scale mark 18 and the second scale mark 19;
Meanwhile, when the limiting block 10 and the blocking block 16 move up and down, the limiting block 10 and the blocking block 16 move up and down on the sliding rod 9, so that the moving stability of the limiting block 10 and the blocking block 16 can be improved;
Meanwhile, the positioning strip 17 is made of rubber materials, so that the positioning strip 17 has certain elasticity, and when the blocking piece 16 drives the positioning strip 17 to move in the positioning groove 15, the positioning strip 17 can be tightly attached to the inside of the positioning groove 15 through the elasticity of the positioning strip 17, and the blocking piece 16 can be fixed in real time, so that the blocking piece 16 cannot move after moving to a specified position.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. An anesthetic needle capable of quantitatively controlling a dosage, comprising: the anesthesia needle comprises an anesthesia needle main body (1), a handle (2), a driving cavity (3), a liquid medicine cavity (4), a through hole (5), a slide tube (6), a push rod (7), a piston (8), a slide rod (9), a limiting block (10), an inner groove (11), a slide groove (12), a push block (13), a slide block (1301), a through groove (14), a positioning groove (15), a blocking block (16), a positioning strip (17), a first scale line (18), a second scale line (19) and a needle head (20); the method is characterized in that: handles (2) are fixedly connected to two sides of the top of the anesthetic needle main body (1); the upper part and the lower part of the inside of the anesthesia needle main body (1) are fixedly connected with a driving cavity (3) and a liquid medicine cavity (4), and the driving cavity (3) is arranged at the upper end of the liquid medicine cavity (4); the top of the anesthetic needle main body (1) is fixedly connected with a through hole (5); the driving cavity (3) and the liquid medicine cavity (4) are penetrated through by a slide tube (6); the inside of the driving cavity (3) is movably connected with a push rod (7), the top of the push rod (7) extends to the outside of the anesthetic needle main body (1) through a through hole (5), and the bottom of the push rod (7) extends to the inside of the liquid medicine cavity (4) through a slide tube (6); the bottom of the push rod (7) is fixedly connected with a piston (8), and the piston (8) is arranged in the liquid medicine cavity (4); a sliding rod (9) is fixedly connected to the right side inside the driving cavity (3); a limiting block (10) is fixedly connected to the right side of the middle of the push rod (7), and the inside of the limiting block (10) is movably connected with the outer wall of the slide rod (9); an inner groove (11) is fixedly connected to the top of the outer wall of the right side of the anesthetic needle main body (1); the inner parts of two sides of the inner groove (11) are fixedly connected with sliding grooves (12); a pushing block (13) is movably connected in the inner groove (11); the sliding blocks (1301) are arranged on two sides of the pushing block (13), and the sliding blocks (1301) are arranged in the sliding grooves (12); a penetrating groove (14) penetrating the inside of the driving cavity (3) is formed in the middle of the inner groove (11); positioning grooves (15) are fixedly connected inside the edges of the two sides of the through groove (14); a blocking block (16) is fixedly connected to the inner side of the pushing block (13), and the blocking block (16) extends to the inside of the driving cavity (3) through a penetrating groove (14) to be movably connected with the sliding rod (9); the right side of the blocking block (16) is provided with a positioning strip (17) up and down, and the positioning strip (17) is arranged in the positioning groove (15); the upper side of the outer wall of the anesthetic needle main body (1) is fixedly connected with a first scale mark (18); the lower side of the outer wall of the anesthetic needle main body (1) is fixedly connected with a second scale mark (19); the bottom of the anesthetic needle main body (1) is movably connected with a needle head (20).
2. An anesthetic needle capable of quantitatively controlling a dosage as claimed in claim 1, wherein: the downward moving distance of the limiting block (10) is equal to the downward moving distance of the piston (8), and the blocking block (16) corresponds to the limiting block (10) up and down.
3. An anesthetic needle capable of quantitatively controlling a dosage as claimed in claim 1, wherein: the first graduation marks (18) correspond to the inner groove (11), the top of the blocking block (16) corresponds to the first graduation marks (18), and the second graduation marks (19) correspond to the inside of the liquid medicine cavity (4).
4. An anesthetic needle capable of quantitatively controlling a dosage as claimed in claim 1, wherein: the limiting block (10) and the blocking block (16) are of sliding structures with the sliding rod (9).
5. An anesthetic needle capable of quantitatively controlling a dosage as claimed in claim 1, wherein: the inner side of the pushing block (13) is tightly attached to the surface of the inner groove (11), and the sliding block (1301) and the sliding groove (12) are of a sliding structure.
6. An anesthetic needle capable of quantitatively controlling a dosage as claimed in claim 1, wherein: the positioning strip (17) is made of rubber materials, and the positioning strip (17) and the positioning groove (15) are of sliding structures.
7. An anesthetic needle capable of quantitatively controlling a dosage as claimed in claim 1, wherein: the bottom of the handle (2) is in an arc-shaped structure.
CN202322033111.XU 2023-07-31 2023-07-31 Anesthetic needle capable of quantitatively controlling dosage Active CN221384676U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322033111.XU CN221384676U (en) 2023-07-31 2023-07-31 Anesthetic needle capable of quantitatively controlling dosage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322033111.XU CN221384676U (en) 2023-07-31 2023-07-31 Anesthetic needle capable of quantitatively controlling dosage

Publications (1)

Publication Number Publication Date
CN221384676U true CN221384676U (en) 2024-07-23

Family

ID=91918067

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322033111.XU Active CN221384676U (en) 2023-07-31 2023-07-31 Anesthetic needle capable of quantitatively controlling dosage

Country Status (1)

Country Link
CN (1) CN221384676U (en)

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