CN209301910U - A kind of double-cylinder type anestetic needle - Google Patents
A kind of double-cylinder type anestetic needle Download PDFInfo
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- CN209301910U CN209301910U CN201821805361.3U CN201821805361U CN209301910U CN 209301910 U CN209301910 U CN 209301910U CN 201821805361 U CN201821805361 U CN 201821805361U CN 209301910 U CN209301910 U CN 209301910U
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- syringe
- channel
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- baffle
- medicine feeding
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Abstract
The utility model discloses a kind of double-cylinder type anestetic needles, including syringe body；Demarcation plate is provided with inside syringe body along its length；Syringe body is isolated into mutually independent main syringe and secondary syringe by demarcation plate；Matched main piston and auxiliary piston are respectively arranged in main syringe and secondary syringe；Main piston and auxiliary piston have been respectively fixedly connected with primary push rod and secondary push rod；The inner wall of main syringe is provided with pin hole, and syringe needle is connected to pin hole；Demarcation plate is provided with medicine feeding hole at pin hole, and medicine feeding hole is connected to main syringe and secondary syringe；Medical abortion channel is provided on main piston；When main piston front end surface is bonded with main syringe inner wall, medical abortion channel is connected to pin hole with medicine feeding hole respectively；Baffle is provided in secondary syringe, baffle is connect by spring with secondary syringe inner wall；When spring is in former long, baffle blocks medicine feeding hole.It during injecting a variety of drugs, only needs one-time puncture that a variety of infusion of medicine can be completed, reduces puncture time, alleviate patient's pain.
Description
Technical field
The utility model relates to field of medical products, it particularly relates to a kind of double-cylinder type anestetic needle.
Background technique
With the rapid development of science and technology, also in the continuous improvement, people more pursue the treatment side of painlessization to medical level
Case, therefore anesthesia also increasingly obtains the attention of people, the medical instrument of anesthesia is also developed and innovates constantly, most
Whole purpose is to faster, more preferably, more effectively treat.Current anestetic needle is generally common injection needle, can only once infuse
A kind of arcotic is penetrated, a variety of drug injections then need repeatedly to puncture, and will increase patient's pain, it is therefore necessary to improve.
Utility model content
To solve problems of the prior art, the purpose of the utility model is to provide a kind of double-cylinder type anestetic needle,
Structure is simple, can be used for a variety of drug injections, reduces patient's pain.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: double-cylinder type anestetic needle, including syringe sheet
Body；It is provided with demarcation plate along its length inside the syringe body；Syringe body is isolated into independently of each other by the demarcation plate
Main syringe and secondary syringe；Matched main piston and auxiliary piston are respectively arranged in the main syringe and secondary syringe；Institute
It states main piston and auxiliary piston has been respectively fixedly connected with primary push rod and secondary push rod；Front end surface outside the main syringe is provided with needle
Head, inner wall are provided with pin hole, and the syringe needle is connected to pin hole；The demarcation plate is provided with medicine feeding hole at pin hole, described to add
Medicine hole is connected to main syringe and secondary syringe；Medical abortion channel is provided on the main piston；The medical abortion one end of the channel is located at main piston
On side wall, the other end is located at the center of main piston front end surface；When main piston front end surface is bonded with main syringe inner wall,
The medical abortion channel is connected to pin hole with medicine feeding hole respectively；Be provided with baffle in the pair syringe, the baffle by spring with
Secondary syringe inner wall connection；When the spring is in former long, baffle blocks medicine feeding hole；The side wall of the pair syringe is provided with ventilation
Hole is provided with sealing-plug on the venthole.
Working principle: when needing to inject a variety of drugs, respectively by the first drug and second drug be added main syringe and
In secondary syringe, and carry out the preparation before injection.Before injection, sealing-plug is opened, the air in main syringe and secondary syringe passes through respectively
Syringe needle and venthole discharge.It is by primary push rod that the first drug injection in main syringe is complete first when injection.Medical abortion is logical at this time
Road is connected to medicine feeding hole and pin hole respectively.Push secondary push rod, baffle compressed spring and to along spring stress side under thrust
To movement, when baffle, which is moved to, exposes medicine feeding hole, the drug in secondary syringe passes through medicine feeding hole, medical abortion channel injection to pin hole,
Secondary push rod is continued to press on, second of drug is injected in human body.After injection, when still needing to inject the third drug, stop to master
The promotion of push rod.Baffle pushes baffle mobile under the action of spring-return power, and baffle pushes secondary push rod.When baffle returns back to gear
Firmly when medicine feeding hole, venthole is opened, secondary push rod is pulled open, and the third drug is added into secondary syringe by venthole, before repeating
Step is stated, the injection of the third drug is completed.During injecting a variety of drugs, only need one-time puncture that a variety of medicines can be completed
The injection of object, reduces puncture time, alleviates patient's pain.
Preferably, the second medical abortion channel is provided on auxiliary piston；Second medical abortion channel is to be arranged radially along auxiliary piston
Z-shaped through-hole；When auxiliary piston front end surface is bonded with baffle, the both ends in second medical abortion channel respectively with venthole and add
The connection of medicine hole.When needing to carry out the third drug injection, drug need to only be injected from the second medical abortion channel by another syringe
Human body.Its structure is simple, reduces puncture time, alleviates patient's pain.
Preferably, the surface of main piston, including first passage, second channel and third channel is arranged in medical abortion channel；Institute
State the outer wall that first passage is circumferentially disposed at main piston in a ring；Described first passage one end is connected to medicine feeding hole, and the other end connects
Wherein one end of logical second channel；The second channel is axially arranged on the outer wall of main piston, the second channel it is another
Wherein one end of end connection third channel；The third channel is arranged radially in the front end surface of main piston, and the third is logical
The other end in road corresponds to the pin hole.The medical abortion channel easy processing of main piston outer wall is set, save the cost is conducive to.
Preferably, the inside of main piston is arranged in medical abortion channel, including fourth lane is radially arranged and along its axial direction
The Five-channel being arranged；Described fourth lane one end is connected to medicine feeding hole, and the other end is connected to wherein one end of Five-channel；Institute
Five-channel is stated to be connected to pin hole.Its structure of medical abortion channel being arranged in inside main piston is simple, directly connection medicine feeding hole and needle
Hole, injection effect are good.
Preferably, limit plate is fixedly installed in secondary syringe；The limit plate be located at secondary syringe end face and the baffle it
Between, and the spring eye passed through for the spring is provided in the middle part of limit plate；The baffle is compressed into just exposing medicine feeding hole
When, baffle front end surface is bonded with limit plate.Limit plate is avoided that in second of medical injection procedure, the excessive shifting of baffle
The case where moving, causing drug that cannot inject completely；The utilization rate of drug can be effectively improved.
The beneficial effects of the utility model are:
(1) the double-cylinder type anestetic needle of the utility model only needs one-time puncture complete during injecting a variety of drugs
At the injection of a variety of drugs, reduce puncture time, alleviates patient's pain.
(2) medical abortion channel design is simple, and easy processing is conducive to save the cost.
Detailed description of the invention
Fig. 1 is the overall structure diagram before the injection of the utility model double-cylinder type anestetic needle；
Fig. 2 is the overall structure diagram after the injection of the utility model double-cylinder type anestetic needle；
Fig. 3 is the overall structure diagram in the second medical abortion channel in the utility model double-cylinder type anestetic needle；
Fig. 4 is the structural schematic diagram of the utility model double-cylinder type anestetic needle Chinese medicine circulation road；
Fig. 5 is the structural schematic diagram of the utility model double-cylinder type anestetic needle Chinese medicine circulation road.
Description of symbols:
1, syringe body；2, demarcation plate；3, main syringe；31, main piston；32, primary push rod；4, secondary syringe；41, auxiliary piston；
42, secondary push rod；5, medical abortion channel；51, first passage；52, second channel；53, third channel；54, fourth lane；55, the 5th
Channel；6, syringe needle；7, pin hole；8, medicine feeding hole；9, baffle；10, spring；11, venthole；12, sealing-plug；13, limit plate；131,
Spring eye；14, the second medical abortion channel.
Specific embodiment
The embodiments of the present invention are described in detail with reference to the accompanying drawing.
Embodiment 1:
As shown in Figs. 1-5, a kind of double-cylinder type anestetic needle, including syringe body 1；Along length side among the syringe body 1
To being provided with demarcation plate 2；Syringe body 1 is isolated into mutually independent main syringe 3 and secondary syringe 4 by the demarcation plate 2；The master
Matched main piston 31 and auxiliary piston 41 are respectively arranged in syringe 3 and secondary syringe 4；The main piston 31 and auxiliary piston
41 have been respectively fixedly connected with primary push rod 32 and secondary push rod 42；Front end surface outside the main syringe 3 is provided with syringe needle 6, inner wall
It is provided with pin hole 7, the syringe needle 6 is connected to pin hole 7；The demarcation plate 2 is provided with medicine feeding hole 8, the dosing at pin hole 7
Hole 8 is connected to main syringe 3 and secondary syringe 4；Medical abortion channel 5 is provided on the main piston 31；Described 5 one end of medical abortion channel is located at master
On 31 side wall of piston, the other end is located in the front end surface of main piston 31；It is pasted in 31 front end surface of main piston and main 3 inner wall of syringe
When conjunction, the both ends in the medical abortion channel 5 are connected to pin hole 7 with medicine feeding hole 8 respectively；Baffle 9, institute are provided in the pair syringe 4
It states baffle 9 and is connect by spring 10 with the end face of secondary syringe 4；When the spring 10 is in former long, baffle 9 blocks medicine feeding hole 8；
The side wall of the pair syringe 4 is provided with venthole 11, is provided with sealing-plug 12 on the venthole 11.
Working principle: when needing to inject a variety of drugs, main 3 He of syringe is added in the first drug and second of drug respectively
In secondary syringe 4, and carry out the preparation before injection.Before injection, sealing-plug 12, the air difference in main syringe 3 and secondary syringe 4 are opened
It is discharged by syringe needle 6 and venthole 11.It is by primary push rod 32 that the first drug injection in main syringe 3 is complete first when injection.
Medical abortion channel 5 is connected to medicine feeding hole 8 and pin hole 7 respectively at this time.Push secondary push rod 42, the compressed spring under thrust of baffle 9
It 10 and is moved to along 10 Impact direction of spring, when baffle 9, which is moved to, exposes medicine feeding hole 8, the drug in secondary syringe 4 passes through dosing
Hole 8, medical abortion channel 5 are injected to pin hole 7, continue to press on secondary push rod 42, and second of drug is injected in human body.After injection, still
When need to inject the third drug, stop the promotion to primary push rod 32.Baffle 9 pushes baffle 9 under the action of 10 restoring force of spring
Mobile, baffle 9 pushes secondary push rod 42.When baffle 9, which returns back to, blocks medicine feeding hole 8, the sealing for being used for sealing ventilation hole 11 is opened
Plug 12, pulls open secondary push rod 42, and the third drug is added into secondary syringe 4 by venthole 11, repeats abovementioned steps, completes the
The injection of three kinds of drugs.It during injecting a variety of drugs, only needs one-time puncture that the injection of a variety of drugs can be completed, reduces
Puncture time alleviates patient's pain.
Embodiment 2:
As shown in Figs. 1-5, the present embodiment on the basis of embodiment 1, is provided with the second medical abortion channel 14 on auxiliary piston 41；
Second medical abortion channel 14 is the Z-shaped through-hole being arranged radially along auxiliary piston 41；It is bonded in 41 front end surface of auxiliary piston with baffle 9
When, the both ends in second medical abortion channel 14 are connected to venthole 11 and medicine feeding hole 8 respectively.It needs to carry out the third drug injection
When, only drug need to be injected into human body from the second medical abortion channel 14 by another syringe.Its structure is simple, reduces puncture
Number alleviates patient's pain.
Embodiment 3:
As shown in Figs. 1-5, on the basis of embodiment 1, the surface of main piston 31 is arranged in medical abortion channel 5 to the present embodiment,
Including first passage 51, second channel 52 and third channel 53；The first passage 51 is circumferentially disposed at main piston in a ring
31 outer wall；Described 51 one end of first passage is connected to medicine feeding hole 8, and the other end is connected to wherein one end of second channel 52；Described
Two channels 52 are axially arranged on the outer wall of main piston 31, and the other end connection third channel 53 of the second channel 52 is wherein
One end；The third channel 53 is arranged radially in the front end surface of main piston 31, and the other end of the third channel 53 is corresponding
The pin hole 7.5 easy processing of medical abortion channel of 31 outer wall of main piston is set, save the cost is conducive to.
Embodiment 4:
As shown in Figs. 1-5, on the basis of embodiment 1, the inside of main piston 31 is arranged in medical abortion channel 5 to the present embodiment,
Including the fourth lane 54 being radially arranged and the Five-channel 55 being axially arranged along it；Described 54 one end of fourth lane with plus
Medicine hole 8 is connected to, and the other end is connected to wherein one end of Five-channel 55；The Five-channel 55 is connected to pin hole 7.It is arranged in master
Its structure of medical abortion channel 5 inside piston 31 is simple, and directly connection medicine feeding hole 8 and pin hole 7, injection effect are good.
Embodiment 5:
As shown in Figs. 1-5, the present embodiment on the basis of embodiment 1, is fixedly installed limit plate 13 in secondary syringe 4；Institute
It states limit plate 13 to be located between secondary 4 end face of syringe and the baffle 9, and the middle part of limit plate 13 is provided with and wears for the spring 10
The spring eye 131 crossed；When the baffle 9 is compressed into just exposing medicine feeding hole 8,9 front end surface of baffle is bonded with limit plate 13.
The spring 10 of connection baffle 9 and secondary syringe 4 is stretched out by spring eye 131.Limit plate 13 is avoided that in second of medical injection procedure
In, the excessive movement of baffle 9, the case where causing drug that cannot inject completely；The utilization rate of drug can be effectively improved.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (5)
1. a kind of double-cylinder type anestetic needle, which is characterized in that including syringe body；It is arranged along its length inside the syringe body
There is demarcation plate；Syringe body is isolated into mutually independent main syringe and secondary syringe, the main syringe and secondary needle by the demarcation plate
It is respectively arranged with matched main piston and auxiliary piston in cylinder, the main piston and auxiliary piston have been respectively fixedly connected with featured
Bar and secondary push rod；Front end surface outside the main syringe is provided with syringe needle, and inner wall is provided with pin hole, and the syringe needle and pin hole connect
It is logical；The demarcation plate is provided with medicine feeding hole at pin hole, and the medicine feeding hole is connected to main syringe and secondary syringe；On the main piston
It is provided with medical abortion channel, the medical abortion one end of the channel is located on main piston side wall, and the other end is located in the front end surface of main piston,
When main piston front end surface is bonded with main syringe inner wall, the both ends in the medical abortion channel are connected to pin hole with medicine feeding hole respectively；
Baffle is provided in the pair syringe, the baffle is connect by spring with the end face of secondary syringe, when the spring is in former long,
Baffle blocks medicine feeding hole；The side wall of the pair syringe is provided with venthole, is provided with sealing-plug on the venthole.
2. double-cylinder type anestetic needle according to claim 1, which is characterized in that it is logical to be provided with the second medical abortion on the auxiliary piston
Road；Second medical abortion channel is the Z-shaped through-hole being arranged radially along auxiliary piston；When auxiliary piston front end surface is bonded with baffle,
The both ends in second medical abortion channel are connected to venthole and medicine feeding hole respectively.
3. double-cylinder type anestetic needle according to claim 1, which is characterized in that the table of main piston is arranged in the medical abortion channel
Face, including first passage, second channel and third channel；The first passage is circumferentially disposed at the outer of main piston in a ring
Wall；Described first passage one end is connected to medicine feeding hole, and the other end is connected to wherein one end of second channel；The second channel is along axial
The outer wall of main piston, wherein one end of the other end connection third channel of the second channel are set；The third channel edge
It is radially arranged in the front end surface of main piston, the other end of the third channel corresponds to the pin hole.
4. double-cylinder type anestetic needle according to claim 1, which is characterized in that the medical abortion channel is arranged in main piston
Portion, including the fourth lane being radially arranged and the Five-channel being axially arranged along it；Described fourth lane one end and dosing
Hole connection, the other end are connected to wherein one end of Five-channel；The Five-channel is connected to pin hole.
5. double-cylinder type anestetic needle according to claim 1, which is characterized in that be fixedly installed limit in the pair syringe
Plate；The limit plate is located between secondary syringe end face and the baffle, and is provided in the middle part of limit plate and passes through for the spring
Spring eye；When the baffle is compressed into just exposing medicine feeding hole, baffle front end surface is bonded with limit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821805361.3U CN209301910U (en) | 2018-11-04 | 2018-11-04 | A kind of double-cylinder type anestetic needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821805361.3U CN209301910U (en) | 2018-11-04 | 2018-11-04 | A kind of double-cylinder type anestetic needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209301910U true CN209301910U (en) | 2019-08-27 |
Family
ID=67672247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821805361.3U Expired - Fee Related CN209301910U (en) | 2018-11-04 | 2018-11-04 | A kind of double-cylinder type anestetic needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209301910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110916771A (en) * | 2019-12-11 | 2020-03-27 | 房保军 | Positioning type intraspinal anesthesia needle |
-
2018
- 2018-11-04 CN CN201821805361.3U patent/CN209301910U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110916771A (en) * | 2019-12-11 | 2020-03-27 | 房保军 | Positioning type intraspinal anesthesia needle |
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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: 20190827 Termination date: 20201104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |