CN206081232U - High accuracy anesthetic syringe - Google Patents

High accuracy anesthetic syringe Download PDF

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Publication number
CN206081232U
CN206081232U CN201620752255.8U CN201620752255U CN206081232U CN 206081232 U CN206081232 U CN 206081232U CN 201620752255 U CN201620752255 U CN 201620752255U CN 206081232 U CN206081232 U CN 206081232U
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CN
China
Prior art keywords
piston
injection tube
piston bar
bar
high accuracy
Prior art date
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
Application number
CN201620752255.8U
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Chinese (zh)
Inventor
张青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Affiliated Hospital of Nanyang Medical College
Original Assignee
First Affiliated Hospital of Nanyang Medical College
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Publication date
Application filed by First Affiliated Hospital of Nanyang Medical College filed Critical First Affiliated Hospital of Nanyang Medical College
Priority to CN201620752255.8U priority Critical patent/CN206081232U/en
Application granted granted Critical
Publication of CN206081232U publication Critical patent/CN206081232U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a high accuracy anesthetic syringe, include the injection tube of making by transparent material, be equipped with containing mark on the injection tube, be equipped with the syringe needle on the preceding terminal surface of injection tube, the syringe needle is linked together with the injection tube, be equipped with first piston and second piston in the injection tube, the place ahead of first piston is located to the second piston, be fixed with first piston rod on the first piston, be fixed with the second piston rod on the second piston, the center department of first piston is equipped with a through -hole, the embedding has a drive nut in the first piston rod, the second piston rod passes the through -hole in proper order, drive nut and first piston rod stretch out from the other one end of first piston rod, be equipped with the external screw thread on the second piston rod, be threaded connection between second piston rod and the drive nut, be equipped with locking mechanical system between first piston rod and the injection tube. The beneficial effects of the utility model are that: (1 ) simple structure, (2 )The shot of control narcotic that can be accurate to satisfy the injection requirement of narcotic.

Description

A kind of high accuracy anesthetic syringe
Technical field
This utility model is related to a kind of anesthesia medical apparatus and instruments, particularly a kind of high accuracy anesthetic syringe.
Background technology
In medical practice, the patient for needing operation generally can before the surgery to its operative site injection fiber crops Liquor-saturated dose, to mitigate pain of the patient in operation process, at present, anesthetis are typically all injected using common syringe, But existing syringe is when injection, it is difficult to accurately control narcotic injection volume, so being difficult to meet narcotic Injection is required.
The content of the invention
Problem to be solved in the utility model is:There is provided a kind of simple structure, can precise control narcotic injection volume High accuracy anesthetic syringe.
In order to solve the above problems, high accuracy anesthetic syringe of the present utility model, including the note being made of clear material Shooting cylinder, the injection tube are provided with containing mark, and the front end face of the injection tube is provided with syringe needle, the syringe needle and injection tube phase Connection, is provided with first piston and second piston in the injection tube, the second piston located at the front of first piston, described the First piston bar is fixed with one piston, second piston bar, the center of the first piston in the second piston, is fixed with A through hole is provided with, the First piston bar has been embedded in a drive nut, and the second piston bar sequentially passes through through hole, drives Dynamic nut and First piston bar are simultaneously stretched out from the other end of First piston bar, and the second piston bar is provided with external screw thread, institute State between second piston bar and drive nut to be threadedly coupled, between the First piston bar and injection tube, be provided with locking mechanism.
For the ease of locking the position of First piston bar, high accuracy anesthetic syringe of the present utility model, the locking machine Structure includes the spacing tooth bar being arranged on the outer surface of First piston bar and two limited blocks being inserted in injection tube, two limits Position block is oppositely arranged, and the bottom surface of the limited block is provided with locking teeth, and the locking teeth is matched with spacing tooth bar, described spacing Tension block is provided with the top of block, between the tension block and injection tube, back-moving spring is provided with.
For the ease of pulling limited block to move up, high accuracy anesthetic syringe of the present utility model, the tension block Top surface is provided with draw ring.
For the ease of driving second piston bar to rotate, high accuracy anesthetic syringe of the present utility model, the second piston The end of bar is evenly equipped with several bull sticks.
High accuracy anesthetic syringe of the present utility model, the injection tube are made up of glass or transparent plastic.
This utility model obtain beneficial effect be:(1) simple structure;(2) before injecting anesthetic medicament, first will anesthesia In medicament suction injection tube, then syringe needle is penetrated the position for needing to anaesthetize on patient body, just patient can be injected afterwards Anesthetis, when precise control narcotic injection volume is not needed, medical personnel are first by the forefinger and thumb of a handss Be inserted in two draw rings, pull respectively and draw ring overcome the rubbish of back-moving spring to pull out limited block, with limited block to Outer movement, the locking teeth on limited block will be separated with the spacing tooth bar in First piston bar, and so, it is right just to relieve The locking of First piston bar, then promotes First piston bar constantly to move into injection tube, in mobile process, due to first Piston rod is constantly extruded to first piston and second piston, and second piston is then extruded to anesthetis, so as to note Anesthetis in shooting cylinder constantly inject the internal of patient by syringe needle, when precise control narcotic injection volume is needed, Draw ring is unclamped, in the presence of back-moving spring pulling force, spacing block reset, the locking teeth on limited block will be reinserted in spacing In tooth bar, so as to the position by spacing tooth bar and First piston bar locks, then firmly grasp and constantly rotate bull stick, in bull stick Under drive, second piston bar constantly will be rotated along drive nut, and second piston bar also constantly can be driven while rotating Dynamic second piston is constantly moved into injection tube, so as to constantly anesthetis are injected in patient's body, due to externally threaded Pitch≤1mm, second piston bar are often rotated one week, and the displacement of second piston is less than 1mm, therefore in second piston bar and the Under the promotion of two pistons, narcotic injection rate is very slow, now referring to the containing mark on injection tube, you can be accurately controlled Narcotic injection volume, requires so as to meet narcotic injection;(3) top surface for tensing block is provided with draw ring, is easy to pull limit Position block movement;(4) end of second piston bar is evenly equipped with several bull sticks, is easy to drive second piston bar to rotate;(5) inject Cylinder is made up of glass or transparent plastic, is easy to the narcotic injection situation of real time inspection.
Description of the drawings
Fig. 1 is sectional view of the present utility model.
Fig. 2 is front view of the present utility model.
In figure:1st, syringe needle, 2, injection tube, 3, second piston, 4, first piston, 5, First piston bar,
6th, spacing tooth bar, 7, drive nut, 8, draw ring, 9, limited block, 10, back-moving spring, 11, locking teeth,
12nd, second piston bar, 13, bull stick, 14, through hole, 15, tense block, 16, containing mark.
Specific embodiment
As depicted in figs. 1 and 2, high accuracy anesthetic syringe of the present utility model, including the injection being made of clear material Cylinder 2, the injection tube 2 are provided with containing mark 16, and the front end face of the injection tube 2 is provided with syringe needle 1, the syringe needle 1 and note Shooting cylinder 2 is connected, and first piston 4 and second piston 3 are provided with the injection tube 2, and the second piston 3 is located at first piston 4 Front, First piston bar 5 is fixed with the first piston 4, second piston bar 12, institute in the second piston 3, is fixed with The center for stating first piston 4 is provided with a through hole 14, and the First piston bar 5 has been embedded in a drive nut 7, and described Two piston rods 12 sequentially pass through through hole 14, drive nut 7 and First piston bar 5 and the other end from First piston bar 5 is stretched out, The second piston bar 12 is provided with external screw thread, the externally threaded pitch≤1mm, the second piston bar 12 and drive nut It is threaded connection between 7, between the First piston bar 5 and injection tube 2, is provided with locking mechanism;The locking mechanism includes arranging Spacing tooth bar 6 and two limited blocks 9 being inserted in injection tube 2 on the outer surface of First piston bar 5, two limited blocks 9 It is oppositely arranged, the bottom surface of the limited block 9 is provided with locking teeth 11, and the locking teeth 11 is matched with spacing tooth bar 6, the limit The top of position block 9 is provided with tension block 15, is provided with back-moving spring 10 between the tension block 15 and injection tube 2;The tension block 15 Top surface be provided with draw ring 8;The end of the second piston bar 12 is evenly equipped with several bull sticks 13;The injection tube 2 is by glass Glass or transparent plastic are made.
High accuracy anesthetic syringe of the present utility model, simple structure, before injecting anesthetic medicament, first by anaesthetic In suction injection tube 2, then syringe needle 1 is penetrated the position for needing to anaesthetize on patient body, afterwards just can be to patient injection fiber crops Liquor-saturated dose, when precise control narcotic injection volume is not needed, the forefinger and thumb of a handss are inserted by medical personnel first Enter in two draw rings 8, pull draw ring 8 respectively and overcome the rubbish of back-moving spring 10 to pull out limited block 9, with limited block 9 are displaced outwardly, and the locking teeth 11 on limited block 9 will be separated with the spacing tooth bar 6 in First piston bar 5, so, just The locking to First piston bar 5 is relieved, then promotes First piston bar 5 constantly to move into injection tube 2, mobile process In, as First piston bar 5 is constantly extruded to first piston 4 and second piston 3, second piston 3 is then entered to anesthetis Row extruding, so as to the anesthetis in injection tube 2 are injected the internal of patient by syringe needle 1 constantly, anaesthetizes when precise control is needed When the injection volume of agent, draw ring 8 is unclamped, in the presence of 10 pulling force of back-moving spring, limited block 9 resets, the lock on limited block 9 Determine tooth 11 to reinsert in spacing tooth bar 6, so as to the position by spacing tooth bar 6 and First piston bar 5 locks, then grab Bull stick 13 is rotated tightly and constantly, under the drive of bull stick 13, second piston bar 12 constantly will be rotated along drive nut 7, Second piston bar 12 can also constantly drive second piston 3 constantly to move into injection tube 2, so as to not while rotating Disconnected is injected into anesthetis in patient's body, and due to externally threaded pitch≤1mm, second piston bar 12 often rotates one week, and second The displacement of piston 3 is less than 1mm, therefore under the promotion of second piston bar 12 and second piston 3, narcotic injection rate It is very slow, now referring to the containing mark 16 on injection tube 2, you can be accurately controlled narcotic injection volume, so as to meet anesthesia The injection of agent is required.
High accuracy anesthetic syringe of the present utility model, the top surface for tensing block 15 are provided with draw ring 8, are easy to pull limited block 9 movements.
High accuracy anesthetic syringe of the present utility model, the end of second piston bar 12 are evenly equipped with several bull sticks 13, It is easy to drive second piston bar 12 to rotate, injection tube 2 is made up of glass or transparent plastic, is easy to the narcotic injection of real time inspection Situation.

Claims (5)

1. a kind of high accuracy anesthetic syringe, it is characterised in that:Including the injection tube (2) being made of clear material, the injection Cylinder (2) is provided with containing mark (16), and the front end face of the injection tube (2) is provided with syringe needle (1), the syringe needle (1) and injection Cylinder (2) is connected, and is provided with first piston (4) and second piston (3) in the injection tube (2), and the second piston (3) is located at the The front of one piston (4), is fixed with First piston bar (5), is fixed with the second piston (3) on the first piston (4) Second piston bar (12), the center of the first piston (4) are provided with a through hole (14), and the First piston bar (5) embeds Enter to have a drive nut (7), the second piston bar (12) to sequentially pass through through hole (14), drive nut (7) and first piston Bar (5) the other end from First piston bar (5) is stretched out, the second piston bar (12) is provided with external screw thread, the outer spiral shell Pitch≤the 1mm of stricture of vagina, to be threadedly coupled between the second piston bar (12) and drive nut (7), the First piston bar (5) Locking mechanism is provided between injection tube (2).
2. high accuracy anesthetic syringe according to claim 1, it is characterised in that:The locking mechanism includes being arranged on Spacing tooth bar (6) and two limited blocks (9) being inserted in injection tube (2) on the outer surface of one piston rod (5), two spacing Block (9) is oppositely arranged, and the bottom surface of the limited block (9) is provided with locking teeth (11), the locking teeth (11) and spacing tooth bar (6) Match, tension block (15) is provided with the top of the limited block (9), between tension block (15) and injection tube (2), drawing is provided with Tight spring (10).
3. high accuracy anesthetic syringe according to claim 2, it is characterised in that:Set on the top surface for tensing block (15) There is draw ring (8).
4. high accuracy anesthetic syringe according to claim 1, it is characterised in that:The end of the second piston bar (12) Be evenly equipped with several bull sticks (13).
5. high accuracy anesthetic syringe according to claim 1, it is characterised in that:The injection tube (2) is by glass or thoroughly Bright plastics are made.
CN201620752255.8U 2016-07-15 2016-07-15 High accuracy anesthetic syringe Expired - Fee Related CN206081232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620752255.8U CN206081232U (en) 2016-07-15 2016-07-15 High accuracy anesthetic syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620752255.8U CN206081232U (en) 2016-07-15 2016-07-15 High accuracy anesthetic syringe

Publications (1)

Publication Number Publication Date
CN206081232U true CN206081232U (en) 2017-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620752255.8U Expired - Fee Related CN206081232U (en) 2016-07-15 2016-07-15 High accuracy anesthetic syringe

Country Status (1)

Country Link
CN (1) CN206081232U (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106964026A (en) * 2017-04-28 2017-07-21 河南大学淮河医院 High-precision anesthesia syringe
CN107224322A (en) * 2017-06-05 2017-10-03 广州爱锘德医疗器械有限公司 Bone cement injector
CN108404258A (en) * 2018-03-07 2018-08-17 梁楠 A kind of syringe that injection speed is stablized
CN108703781A (en) * 2017-10-17 2018-10-26 河南豫乾技术转移中心有限公司 Artery hemostasis compressorium
CN108962075A (en) * 2018-07-31 2018-12-07 广州优点影视广告有限公司 A kind of Portable advertisement frame
CN109091741A (en) * 2018-07-05 2018-12-28 佛山市易轩软件科技有限公司 A kind of medical department of anesthesia's anesthesia tonic needle
CN109157732A (en) * 2018-07-04 2019-01-08 黄玲玲 A kind of paediatrics dental treatment
CN110507879A (en) * 2018-05-22 2019-11-29 佛山市嘉懿行农业科技有限公司 A kind of pre-filling injection device
CN112747226A (en) * 2019-10-30 2021-05-04 山东外贸职业学院 Tablet personal computer supporting equipment for English study
CN112842910A (en) * 2021-01-08 2021-05-28 秦江玮 Be used for gastroenterology nursing medicine feed device
CN113262360A (en) * 2021-04-30 2021-08-17 温州医科大学附属第一医院 Double-cavity syringe
CN113509623A (en) * 2021-07-12 2021-10-19 马新刚 Synchronous propelling device for local anesthesia

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106964026A (en) * 2017-04-28 2017-07-21 河南大学淮河医院 High-precision anesthesia syringe
CN106964026B (en) * 2017-04-28 2020-05-08 河南大学淮河医院 High-precision anesthetic syringe
CN107224322B (en) * 2017-06-05 2023-12-26 广州爱锘德医疗器械有限公司 bone cement injector
CN107224322A (en) * 2017-06-05 2017-10-03 广州爱锘德医疗器械有限公司 Bone cement injector
CN108703781A (en) * 2017-10-17 2018-10-26 河南豫乾技术转移中心有限公司 Artery hemostasis compressorium
CN108404258A (en) * 2018-03-07 2018-08-17 梁楠 A kind of syringe that injection speed is stablized
CN110507879A (en) * 2018-05-22 2019-11-29 佛山市嘉懿行农业科技有限公司 A kind of pre-filling injection device
CN109157732A (en) * 2018-07-04 2019-01-08 黄玲玲 A kind of paediatrics dental treatment
CN109091741A (en) * 2018-07-05 2018-12-28 佛山市易轩软件科技有限公司 A kind of medical department of anesthesia's anesthesia tonic needle
CN108962075A (en) * 2018-07-31 2018-12-07 广州优点影视广告有限公司 A kind of Portable advertisement frame
CN112747226A (en) * 2019-10-30 2021-05-04 山东外贸职业学院 Tablet personal computer supporting equipment for English study
CN112842910A (en) * 2021-01-08 2021-05-28 秦江玮 Be used for gastroenterology nursing medicine feed device
CN113262360A (en) * 2021-04-30 2021-08-17 温州医科大学附属第一医院 Double-cavity syringe
CN113262360B (en) * 2021-04-30 2022-11-11 温州医科大学附属第一医院 Double-cavity syringe
CN113509623A (en) * 2021-07-12 2021-10-19 马新刚 Synchronous propelling device for local anesthesia
CN113509623B (en) * 2021-07-12 2022-10-04 马新刚 Synchronous propelling device for local anesthesia

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170412

Termination date: 20180715