CN209032563U - A kind of nerve block needle - Google Patents
A kind of nerve block needle Download PDFInfo
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- CN209032563U CN209032563U CN201820615305.7U CN201820615305U CN209032563U CN 209032563 U CN209032563 U CN 209032563U CN 201820615305 U CN201820615305 U CN 201820615305U CN 209032563 U CN209032563 U CN 209032563U
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- needle
- medicine
- broken skin
- feeding
- sleeve
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Abstract
The utility model discloses a kind of nerve block needles, including the injection part for carrying out broken skin injection to patients' neural position, the fixed part for fixing injection part position, the injection part includes broken skin needle and medicine-feeding needle, the medicine-feeding needle is actively located in broken skin needle, described medicine-feeding needle one end is provided with tough portion, round blunt at the top of the tough portion, and the tough portion side is provided with medicine-pouring hole, broken skin needle one end is provided at least two scarves, and at least two scarf cooperatively forms sharp portion.The utility model has the following beneficial effects: this nerve block needle can be avoided injuring nerve, while venipuncture difficulty can be reduced, reduce patient pain.
Description
Technical field
The utility model relates to injection of nerve utensil, in particular to a kind of nerve block needle.
Background technique
Continuous nerve block technique refers near conduit accurately indwelling to target nerve, by catheter opening by local anaesthesia
Drug injection nearby achievees the purpose that anesthesia and pain therapy to target nerve.Medical instrument used in continuous nerve block technique
It is faced with safe and accurate two contradictory problems.Safety is primarily referred to as puncture needle in operation may be pierced into target mind accidentally
Neurotrosis is caused through inside, accuracy then requires catheter opening as close possible to even contact target nerve, is conducive to drug
It accurately flows to and plays drug effect on target nerve.Wherein nerve block needle is that a kind of continuous nerve block technique principle of utilization is set
The Medical Instruments of meter.
Notification number is that the Chinese patent of CN201220449766.4 discloses a kind of Sympathetic nerve chain blockage puncture needle set.
This puncture needle includes outer tube and needle core.Outer tube includes that backshank and needle are dry.Backshank one end is provided with hose joint.Needle
The tail other end is set as needle core insertion interface.The needle core tip round blunt of this puncture needle, can avoid damage to nerve.But
Venipuncture difficulty is larger, to cause patient's more pain.
Utility model content
The purpose of the utility model is to provide a kind of nerve block needles.This nerve block needle can be avoided injuring nerve,
Venipuncture difficulty can be reduced simultaneously, to reduce patient pain.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of nerve block needle,
Including the injection part for carrying out broken skin injection to patients' neural position, the fixed part for fixing injection part position, feature
Be: the injection part includes broken skin needle and medicine-feeding needle, and the medicine-feeding needle is actively located in broken skin needle, and described medicine-feeding needle one end is set
It is equipped with tough portion, blunt portion is set as at the top of the tough portion, the tough portion side is provided with medicine-pouring hole, the setting of broken skin needle one end
There are at least two scarves, at least two scarf cooperatively forms sharp portion.
By using above-mentioned technical proposal, when needing to squeeze into drug into human body, worn by broken skin for human body
Thorn.After broken skin needle enters appropriate location in human body, moved by the way that needle will be added medicine to along broken skin needle so that medicine-feeding needle into
Enter into human body, to carry out injection to human body.By carrying out the setting of at least two scarves on broken skin needle, so that beveling
Face can be improved the sharpness of broken skin needle, so that more convenient puncture enters in human body, to reduce patient pain.Pass through
Tough portion, and round blunt at the top of tough portion are set in medicine-feeding needle one end, to reduce the injury to human nerve.By the way that medicine-pouring hole is set
It sets in tough portion, to reduce the depth that medicine-feeding needle enters in human body, prevents from that people's nerves within the body is caused to damage.
The utility model is further arranged to: the fixed part includes fixed frame, and the broken skin needle fixation is arranged in fixation
Frame side, the fixed frame other side are provided with sleeve, are provided between the sleeve and medicine-feeding needle for driving medicine-feeding needle to move
Dynamic driving mechanism.
By using above-mentioned technical proposal, by the setting of driving mechanism, so that driving mechanism is able to drive medicine-feeding needle and exists
It is moved in sleeve.During needle of adding medicine to is mobile, so that medicine-feeding needle enters into the human body, and injection is carried out to human body.
The utility model is further arranged to: the driving mechanism includes the cylinder with sleeve cooperation, and the cylinder is fixed
It is connected with Anti-slip handle, the medicine-feeding needle fixation is arranged in cylinder and Anti-slip handle, described when cylinder penetrates sleeve completely
When middle, the tough portion for needle of adding medicine to is pierced by broken skin needle.
By using above-mentioned technical proposal, medicine-feeding needle is driven to be moved by Anti-slip handle, so that medicine-feeding needle exists
It can move linearly under the guidance of sleeve, prevent medicine-feeding needle laterally offset vibration from leading to patient pain.
The utility model is further arranged to: the driving mechanism includes the threaded post connecting with bush whorl, the spiral shell
Line column is connected with Anti-slip handle, and the medicine-feeding needle fixation is arranged in cylinder and Anti-slip handle, the screw pitch between the screw thread
For 1mm.
By using above-mentioned technical proposal, it is threadedly coupled by setting, staff is enabled easily to adjust medicine-feeding
Needle enters the depth of human body, so that preferably control medicine-feeding needle enters the depth of human body, facilitates medicine-feeding needle to carry out appropriate quasi-
True medicine-feeding.
The utility model is further arranged to: the surface of the sleeve is provided with marking line, when the lower end surface of the cylinder
It is moved to when being overlapped with marking line, the one end in the tough portion and the sharp portion of broken skin needle one end maintain an equal level.
The utility model is further arranged to: the sleeve, which is located at marking line position below, is provided with scale, described
For scale between marking line and fixed frame, the distance of each lattice of scale is 0.1 centimeter.
In conclusion the utility model has the following beneficial effects: general nerve block needle meeting when being pierced into human body
So that human body pain, the reason is that broken skin needle more round blunt causes the multiple pain of patient so that broken skin efficiency is lower.This is practical new
Type enables broken skin needle preferably to puncture to human body, to reduce human body pain by the way that multiple scarves are arranged.Separately
Outside, it by being arranged medicine-pouring hole in tough portion, to facilitate carry out injection, not needing medicine-feeding needle and entering the deeper portion of human nerve
The damage to nerve is reduced in position.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the a-quadrant enlarged drawing in Fig. 1；
Fig. 3 is the explosive view of embodiment 1；
Fig. 4 is the front view of embodiment 1；
Fig. 5 is the structural schematic diagram of embodiment 2.
Appended drawing reference: 1, injection part；2, fixed part；101, broken skin needle；102, medicine-feeding needle；103, tough portion；104, medicine-pouring hole；
105, scarf；106, sharp portion；107, blunt portion；201, fixed frame；202, sleeve；3, driving mechanism；301, cylinder；302, prevent
Skating handle；303, threaded post；401, marking line；402, scale.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Embodiment 1:
As shown in Figures 1 and 2, a kind of nerve block needle, including the note for carrying out broken skin injection to patients' neural position
Penetrate portion 1, the fixed part 2 for fixing 1 position of injection part.Injection part 1 includes broken skin needle 101 and medicine-feeding needle 102, needle 102 of adding medicine to
It is actively located in broken skin needle 101.Medicine-feeding 102 one end of needle is provided with tough portion 103.It is provided with blunt portion 107 at the top of tough portion 103, is prevented
Only lead to inside of human body neurotrosis when being punctured in human body.Tough portion 103 is provided with medicine-pouring hole 104 behind blunt portion 107.Pass through
The setting of medicine-pouring hole 104 is compared in medicine-feeding 102 side wall of needle setting medicine-pouring hole 104, so that not needing to be punctured to deeper depth
Degree can realize injection.
As shown in Fig. 2, optimization, 101 one end of broken skin needle is provided at least two scarves 105.Pass through multiple scarves
105 setting so that two scarves 105 cooperatively form sharp portion 106 so that be punctured to the difficulty of inside of human body compared with
Greatly, the feeling of pain of patient is reduced.
As shown in figure 3, the fixed part 2 includes fixed frame 201.The fixation of broken skin needle 101 is arranged in 201 side of fixed frame.
It is arranged between medicine-feeding needle 102 for driving by the way that transparent sleeve 202 is arranged in 201 other side of fixed frame, and in sleeve 202
The mobile driving mechanism 3 of medicine-feeding needle 102, so that medicine-feeding needle 102 can be inside sleeve 202 under the drive of driving mechanism 3
It is mobile, so that medicine-feeding needle 102 can enter at human nerve.
As shown in Figure 3 and Figure 4, driving mechanism 3 includes the cylinder 301 cooperated with sleeve 202.Cylinder 301 is fixedly connected with
Anti-slip handle 302.By the way that cylinder 301 is mobile along sleeve 202 so that medicine-feeding needle 102 enter at human nerve into
Row injection.When concordant with 202 top of sleeve due to the top of cylinder 301, the tough portion 103 of medicine-feeding needle 102 is located at broken skin needle 101
In, so that medicine-feeding needle 102 moves under the guiding function of sleeve 202 always in entire moving process, prevent medicine-feeding needle 102 inclined
Shifting causes injection position to deviate, and reduces the pain of human body.
Further, the surface of sleeve 202 is provided with marking line 401, when the lower end surface of cylinder 301 is moved to and marking line
When 401 coincidence, the one end in tough portion 103 and the sharp portion 106 of 101 one end of broken skin needle maintain an equal level.Sleeve 202 be located at marking line 401 with
Under position at be provided with scale 402, scale 402 is between marking line and fixed frame.The distance of its each lattice of scale 402 is
0.1 centimeter.
Embodiment 2:
As shown in figure 5, difference from example 1 is that, the driving mechanism 3 includes being threadedly coupled with sleeve 202
Threaded post 303.By the setting of threaded post 303, so that being entered in sleeve 202 in such a way that spiral screws in, each screw thread
Between screw pitch be 1mm.Above-mentioned setting is convenient to control puncture distance, is controlled so that puncturing distance.Pass through
The mode that spiral screws in so as to the paracentesis depth of human body by screw in screw thread number control so that medicine-feeding needle 102
It is appropriate to the distance of human nerve injection, it prevents from damaging human nerve.
Claims (6)
1. a kind of nerve block needle, including for carrying out broken skin injection to patients' neural position injection part (1), for fixed note
The fixed part (2) of portion (1) position is penetrated, it is characterized in that: the injection part (1) includes broken skin needle (101) and medicine-feeding needle (102), institute
It states medicine-feeding needle (102) to be actively located in broken skin needle (101), described medicine-feeding needle (102) one end is provided with tough portion (103), described
It is set as blunt portion (107) at the top of tough portion (103), the tough portion (103) is provided with medicine-pouring hole (104), institute after blunt portion (107)
It states broken skin needle (101) one end to be provided at least two scarves (105), at least two scarf (105) cooperatively forms point
Sharp portion (106).
2. a kind of nerve block needle according to claim 1, it is characterized in that: the fixed part (2) includes fixed frame
(201), broken skin needle (101) fixation is arranged in fixed frame (201) side, and fixed frame (201) other side is provided with set
Cylinder (202) is provided with the driving mechanism for driving medicine-feeding needle (102) mobile between the sleeve (202) and medicine-feeding needle (102)
(3)。
3. a kind of nerve block needle according to claim 2, it is characterized in that: the driving mechanism (3) includes and sleeve
(202) cylinder (301) cooperated, the cylinder (301) are fixedly connected with Anti-slip handle (302), and the medicine-feeding needle (102) is fixed
It is arranged in cylinder (301) and Anti-slip handle (302), when the cylinder (301) is penetrated completely in sleeve (202), medicine-feeding
The tough portion (103) of needle (102) is pierced by broken skin needle (101).
4. a kind of nerve block needle according to claim 2, it is characterized in that: the driving mechanism (3) includes and sleeve
(202) threaded post (303) being threadedly coupled, the threaded post (303) are connected with Anti-slip handle (302), the medicine-feeding needle (102)
Fixation is arranged in cylinder (301) and Anti-slip handle (302), and the screw pitch between the screw thread is 1mm.
5. a kind of nerve block needle according to claim 4, it is characterized in that: the surface of the sleeve (202) is provided with mark
Timberline (401), when the lower end surface of the cylinder (301), which is moved to, to be overlapped with marking line (401), the one of the tough portion (103)
The sharp portion (106) at end and broken skin needle (101) one end maintains an equal level.
6. a kind of nerve block needle according to claim 5, it is characterized in that: the sleeve (202) is located at marking line (401)
It is provided at position below scale (402), the scale (402) is located between marking line (401) and fixed frame (201), institute
The distance for stating scale (402) each lattice is 0.1 centimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615305.7U CN209032563U (en) | 2019-04-23 | 2019-04-23 | A kind of nerve block needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615305.7U CN209032563U (en) | 2019-04-23 | 2019-04-23 | A kind of nerve block needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209032563U true CN209032563U (en) | 2019-06-28 |
Family
ID=67028265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820615305.7U Active CN209032563U (en) | 2019-04-23 | 2019-04-23 | A kind of nerve block needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209032563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022165967A1 (en) * | 2021-02-03 | 2022-08-11 | 中南大学湘雅二医院 | Continuous nerve block catheter conveying system and method |
-
2019
- 2019-04-23 CN CN201820615305.7U patent/CN209032563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022165967A1 (en) * | 2021-02-03 | 2022-08-11 | 中南大学湘雅二医院 | Continuous nerve block catheter conveying system and method |
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