CN210785765U - Local quick anesthesia syringe for anesthesia department - Google Patents

Local quick anesthesia syringe for anesthesia department Download PDF

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Publication number
CN210785765U
CN210785765U CN201921459421.5U CN201921459421U CN210785765U CN 210785765 U CN210785765 U CN 210785765U CN 201921459421 U CN201921459421 U CN 201921459421U CN 210785765 U CN210785765 U CN 210785765U
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CN
China
Prior art keywords
medicine
needle
fixedly connected
cylinder
positioning
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Expired - Fee Related
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CN201921459421.5U
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Chinese (zh)
Inventor
苏晓燕
孙亚辉
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Second Affiliated Hospital of Zhengzhou Unviersity
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Second Affiliated Hospital of Zhengzhou Unviersity
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Priority to CN201921459421.5U priority Critical patent/CN210785765U/en
Application granted granted Critical
Publication of CN210785765U publication Critical patent/CN210785765U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The local rapid anesthesia injector for the anesthesia department comprises a needle cylinder, wherein a needle head capable of moving back and forth is arranged at the front end of the needle cylinder, a positioning ring capable of moving back and forth is arranged on the outer circumference of the front part of the needle cylinder, a plurality of positioning legs which are uniformly distributed are arranged at the front end of the positioning ring, and positioning feet are arranged at the front ends of the positioning legs; the rear end of the needle head is fixedly connected with a soft medicine outlet hose, the rear end of the medicine outlet hose is connected with a medicine storage cylinder through a one-way medicine outlet valve, the medicine storage cylinder is fixedly connected to the rear part of the inner side of the needle cylinder, the front end of the medicine storage cylinder is connected with a medicine taking pipe through a one-way medicine inlet valve, the movable end of the medicine taking pipe is connected with a medicine bottle, and the medicine bottle is detachably connected to the outer side of the needle cylinder; the rear end of the medicine storage cylinder is connected with a piston rod which can move back and forth in a sliding mode. The utility model effectively solves the problems of large workload, low efficiency and serious waste of medical care personnel caused by frequent replacement of the needle head or the injector due to multiple local anesthesia in the current operation.

Description

Local quick anesthesia syringe for anesthesia department
Technical Field
The utility model belongs to the technical field of medical instrument and specifically relates to a department of anesthesia is with local quick anesthesia syringe.
Background
Anesthesia means that a patient temporarily loses his or her feeling wholly or locally by medication or other means to perform surgical treatment for the purpose of painlessness. Local anesthesia is to inject local anesthetic such as procaine, lidocaine, etc. into corresponding part to block spinal nerve, nerve plexus or nerve trunk and thinner peripheral nerve endings, so as to make a certain part of body lose sensation temporarily. Local anesthesia is characterized by localized anesthesia in the "local" area of the body, and the patient is conscious.
In actual clinical operation, local anesthesia often occurs in one operation for multiple times, so that in order to avoid cross infection, the needle or the syringe needs to be frequently replaced and inserted into the liquid medicine bottle for extraction operation, and the operation is not only low in efficiency, but also greatly increases the workload of medical staff, slows down the operation process and causes great waste.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide anesthesia branch of academic or vocational study with local quick anesthesia syringe, solved many times local anesthesia in the present operation effectively and need frequently change syringe needle or syringe, the medical personnel work load that leads to from this is big, inefficiency, extravagant serious problem.
In order to solve the above problems, the utility model adopts the following technical proposal:
the local rapid anesthesia injector for the anesthesia department comprises a needle cylinder, wherein a needle head capable of moving back and forth is arranged at the front end of the needle cylinder, a positioning ring capable of moving back and forth is arranged on the outer circumference of the front part of the needle cylinder, a plurality of positioning legs which are uniformly distributed are arranged at the front end of the positioning ring, and positioning feet are arranged at the front ends of the positioning legs;
the rear end of the needle head is fixedly connected with a soft medicine outlet hose, the rear end of the medicine outlet hose is connected with a medicine storage cylinder through a one-way medicine outlet valve, the medicine storage cylinder is fixedly connected to the rear part of the inner side of the needle cylinder, the front end of the medicine storage cylinder is connected with a medicine taking pipe through a one-way medicine inlet valve, the movable end of the medicine taking pipe is connected with a medicine bottle, and the medicine bottle is detachably connected to the outer side of the needle cylinder; the rear end of the medicine storage cylinder is connected with a piston rod which can move back and forth in a sliding mode.
Preferably, the front part of the inner side of the needle cylinder is respectively and rotatably connected with a transmission wheel, a supporting wheel and a driving wheel from front to back, and the transmission wheel, the supporting wheel and the driving wheel are connected through an annular needle entering belt;
the outer circumference of the needle entering belt is fixedly connected with a positioning sleeve, the rear end of the needle head is fixedly connected with a positioning block, and the positioning block is fixedly connected with the positioning sleeve; the needle inserting device is characterized in that a needle inserting rotating shaft is fixedly connected to the outer end of the driving wheel, the needle inserting rotating shaft extends outwards and is fixedly connected with a prism rod, a needle inserting rotating wheel capable of moving along the axial direction of the prism rod is sleeved on the prism rod, a prism hole is formed in the needle inserting rotating wheel, the needle inserting rotating wheel is sleeved on the prism rod through the prism hole, and a blocking piece is fixedly connected to the outer end of the prism rod.
Preferably, a plurality of latch teeth which are uniformly distributed are arranged on the outer circumferences of the transmission wheel and the driving wheel, a plurality of latch holes which are uniformly distributed are formed in the needle entering belt along the circumferential direction, and the latch teeth are clamped in the latch holes.
Preferably, a locking spring is sleeved on the prismatic rod on the inner side of the needle entering rotating wheel, the inner side of the needle entering rotating wheel extends inwards and is fixedly connected with a locking plate, and the outer end face of the locking plate is fixedly connected with a plurality of locking columns which are uniformly distributed along the circumference; the locking plate is positioned on the inner side of the needle cylinder, a through locking hole is formed in the position, corresponding to the locking column, of the needle cylinder, and the turning radius of the locking hole is larger than that of the locking column.
Preferably, a medicine containing groove is formed in the rear portion of the outer side of the needle cylinder, clamping plates capable of moving left and right are arranged on the left side and the right side of the rear portion of the medicine containing groove, arc-shaped grooves are formed in the inner sides of the clamping plates, a plurality of clamping springs are fixedly connected to the outer ends of the clamping plates, the outer ends of the clamping springs are fixedly connected with the inner end of the medicine containing groove, and the medicine bottle is arranged between the two clamping plates.
Preferably, the rear end of the needle cylinder is fixedly connected with a rear end cover, and the rear end cover is provided with a plurality of through vent holes.
Preferably, the outer circumference of the positioning ring is connected with a locking screw in an inward threaded manner and used for positioning the positioning ring; the front part of the needle cylinder is provided with scale marks.
Preferably, the one-way medicine inlet valve and the one-way medicine outlet valve have the same structure, and the one-way medicine inlet valve and the one-way medicine outlet valve are different in installation direction; the one-way medicine inlet valve and the one-way medicine outlet valve both comprise hollow tubular valve bodies, annular blocking rings are arranged on the inner sides of the front and the rear of each valve body, a columnar flow limiting block is arranged on the rear side of the blocking ring at the front end of the one-way medicine inlet valve, a plurality of arc grooves which are uniformly distributed are formed in the outer circumference of the flow limiting block, a flow limiting spring is arranged on the rear side of the flow limiting block, and the rear end of the flow limiting spring abuts against the front side of the blocking ring at the rear end.
Preferably, the tail end of the medicine outlet hose is fixedly connected with a plastic needle, the plastic needle is inserted into the medicine bottle, and anesthetic liquid is filled in the medicine bottle.
The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage:
1. the needle head of the device can move back and forth, so that the needle inserting depth can be adjusted, and the needle inserting speed can also be adjusted by matching with the positioning ring. The relative position of position circle and cylinder has been adjusted, can restrict the depth of insertion of syringe needle, and locking screw realizes the rigidity of position circle through screwing, and the scale mark can clearly demonstrate the position of position circle to can calculate the depth of insertion of syringe needle from this, rationally hold the anesthesia degree of depth, reduced medical personnel and taken place the problem of maloperation.
2. The device can supplement the anesthetic liquid without replacing the needle after the anesthetic liquid is used up by connecting the medicine outlet hose and the medicine taking tube at the front end of the medicine storage tube, thereby not only avoiding cross infection, but also saving operation steps and difficulty, and more importantly saving an injector or a needle.
3. When the piston rod is pressed, the liquid medicine only flows into the needle head from the one-way medicine outlet valve, so that anesthesia of a patient is realized. When the piston rod is pulled backwards, only the liquid medicine in the medicine bottle can accurately take the medicine tube and the one-way medicine inlet valve to flow into the medicine storage cylinder. One-way medicine valve of advancing only can make in the liquid medicine gets into storage cartridge case, and one-way play medicine valve only can make the liquid medicine come out in the storage cartridge case, and both cooperate for blood can not flow back during the operation, and the liquid medicine also can not flow back to the medicine bottle in, has both guaranteed the security, has also improved the convenience.
4. The needle-entering rotating wheel has self-locking performance, so that the needle head can be stably fixed at the current position, and the safety and the stability of operation are improved.
Drawings
Fig. 1 is a first perspective view of the local rapid anesthesia injector for anesthesia department of the present invention.
Fig. 2 is a second axial view of the local rapid anesthesia injector for anesthesia department of the present invention.
Fig. 3 is a third axial mapping diagram of the local rapid anesthesia injector for anesthesia department of the present invention.
Fig. 4 is a partially cut-away perspective view of the local rapid anesthesia injector for anesthesia department of the present invention.
Fig. 5 is an isometric view of the needle and the driving part of the local rapid anesthesia injector for anesthesia department of the present invention.
Fig. 6 is an exploded view of the needle insertion rotating shaft and the needle insertion rotating wheel of the local rapid anesthesia injector for anesthesia department of the present invention.
Fig. 7 is an isometric view of the cartridge and its connecting parts of the local rapid anesthesia injector for anesthesia department of the present invention.
Fig. 8 is an axonometric view of the positioning ring of the local rapid anesthesia injector for anesthesia department of the present invention.
Fig. 9 is a partially enlarged view of fig. 7.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-9, the utility model provides a local rapid anesthesia injector for anesthesia department, including local rapid anesthesia injector for anesthesia department, its characterized in that: the needle comprises a needle cylinder 1, wherein a needle head 15 capable of moving back and forth is arranged at the front end of the needle cylinder 1, a positioning ring 2 capable of moving back and forth is arranged on the outer circumference of the front part of the needle cylinder 1, a plurality of positioning legs 3 which are uniformly distributed are arranged at the front end of the positioning ring 2, and positioning feet 4 are arranged at the front ends of the positioning legs 3;
the rear end of the needle head 15 is fixedly connected with a soft medicine outlet hose 19, the rear end of the medicine outlet hose 19 is connected with a medicine storage cylinder 16 through a one-way medicine outlet valve 18, the medicine storage cylinder 16 is fixedly connected to the rear part of the inner side of the needle cylinder 1, the front end of the medicine storage cylinder 16 is connected with a medicine taking tube 10 through a one-way medicine inlet valve 17, the movable end of the medicine taking tube 10 is connected with a medicine bottle 11, and the medicine bottle 11 is detachably connected to the outer side of the needle cylinder 1; the rear end of the drug storage cylinder 16 is slidably connected with a piston rod 14 which can move back and forth.
The needle head 15 can move back and forth, so that the needle inserting depth can be adjusted, and the needle inserting speed can also be adjusted by matching with the positioning ring 2. The function of the positioning ring 2 and the components thereof is as follows: the relative position of the locating ring 2 and the needle cylinder 1 is adjusted, and the locating feet 4 are arranged on the skin of the patient, so that the insertion depth of the needle head 15 can be limited, the anesthesia depth can be reasonably controlled, and the problem of misoperation of medical staff is reduced.
The device can supplement the anesthetic liquid without replacing the needle after the anesthetic liquid is used up by connecting the medicine outlet hose 19 and the medicine taking tube 10 at the front end of the medicine storage tube 6, thereby not only avoiding cross infection, but also saving operation steps and difficulty, and more importantly saving an injector or a needle.
When the piston rod 14 is pressed, the liquid medicine flows only from the one-way medicine outlet valve 18 into the needle 15, and anesthesia of the patient is realized. When the piston rod 14 is pulled backward, only the liquid medicine in the medicine bottle 11 will flow into the medicine storage tube 16 through the medicine extracting tube 10 and the one-way medicine inlet valve 17.
The front part of the inner side of the needle cylinder 1 is respectively and rotatably connected with a transmission wheel 22, a supporting wheel 21 and a driving wheel 29 from front to back, and the transmission wheel 22, the supporting wheel 21 and the driving wheel 29 are connected through an annular needle inlet belt 20;
the outer circumference of the needle entering belt 20 is fixedly connected with a positioning sleeve 26, the rear end of the needle head 15 is fixedly connected with a positioning block 23, and the positioning block 23 is fixedly connected with the positioning sleeve 26; the outer end of the driving wheel 29 is fixedly connected with a needle entering rotating shaft 7, the needle entering rotating shaft 7 extends outwards and is fixedly connected with a prism rod 30, a needle entering rotating wheel 6 capable of moving axially along the prism rod 30 is sleeved on the prism rod 30, a prism hole 31 is formed in the needle entering rotating wheel 6, the needle entering rotating wheel 6 is sleeved on the prism rod 30 through the prism hole 31, and a blocking piece 32 is fixedly connected to the outer end of the prism rod 30.
The puncture principle of the needle head 15 is as follows: the needle inserting rotating wheel 6 is rotated, so that the needle inserting rotating shaft 7 drives the driving wheel 29 fixedly connected with the needle inserting rotating shaft to rotate, the driving wheel 29 can drive the needle inserting belt 20 sleeved on the driving wheel to rotate, the needle inserting belt 20 can drive the positioning block 23 and the needle head 15 on the needle inserting belt to move forwards linearly, and the needle inserting and puncturing operation is realized.
A plurality of latch 25 that evenly distributed are all provided with to transmission wheel 22 and action wheel 29 outer circumference, go into needle area 20 and open along the circumferencial direction and have a plurality of evenly distributed's card hole 24, latch 25 block in the card hole 24.
Through the arrangement of the latch 25 and the latch hole 24, belt transmission among the transmission wheel 22, the driving wheel 29 and the needle entering belt 20 is converted into chain transmission, the transmission is more stable, and the puncture is more powerful and stable.
A locking spring 31 is sleeved on a prismatic rod 30 on the inner side of the needle entering rotating wheel 6, the inner side of the needle entering rotating wheel 6 extends inwards and is fixedly connected with a locking plate 27, and the outer end face of the locking plate 27 is fixedly connected with a plurality of locking columns 28 which are uniformly distributed along the circumference; the locking plate 27 is located inside the needle cylinder 1, a through locking hole is formed in the position of the needle cylinder 1 corresponding to the locking column 28, and the rotation radius of the locking hole is larger than that of the locking column 28.
Go into needle runner 6 and have auto-lock nature for syringe needle 15 can be stable fix the current position, go into the auto-lock principle of needle runner 6 and be: when the needle rotating wheel 6 needs to be rotated, the locking plate 27 on the inner side of the needle rotating wheel 6 can move inwards only by pressing the needle rotating wheel 6 inwards, so that the locking column 28 leaves the locking hole on the needle cylinder 11, and the locking is released. When the press-in needle rotating wheel 6 is not pressed, the lock spring 31 causes the press-in needle rotating wheel 6 to move outwards, and the lock column 28 on the press-in needle rotating wheel 6 is inserted into the lock hole, so that self-locking is realized.
The utility model discloses a medicine bottle, including needle cylinder 1, medicine groove 8, cardboard 9 that can control and move is all provided with at the left and right sides of medicine groove 8 rear portion to the rear portion of needle cylinder 1, cardboard 9 inboard all opens the arc wall, a plurality of clamping spring 12 of equal fixedly connected with in cardboard 9 outer end, clamping spring 12 outer end with put 8 inner fixed connection in medicine groove, medicine bottle 11 arranges in two between cardboard 9. The tail end of the medicine outlet hose 19 is fixedly connected with a plastic needle which is inserted into the medicine bottle 11, and the medicine bottle 11 is filled with anesthetic liquid.
Medicine bottle 11 can be changed at any time, only need insert the plastic syringe needle in the front side rubber buffer of medicine bottle 11 during the installation then insert medicine bottle 11 to two cardboard 9 within a definite time, can realize the position locking to medicine bottle 11 through frictional force and clamping spring 12's elasticity.
The rear end of the needle cylinder 1 is fixedly connected with a rear end cover 13, and the rear end cover 13 is provided with a plurality of through air holes. The rear end cover 13 can not only prevent the piston rod 14 from falling, but also keep the pressure inside and outside the syringe 1 balanced.
A locking screw 33 is connected to the outer circumference of the positioning ring 2 in an internal thread manner and used for positioning the positioning ring 2; the front part of the needle cylinder 1 is provided with scale marks 5.
The locking screw 33 is screwed to fix the position of the positioning ring 2, the scale mark 5 can clearly display the position of the positioning ring 2, and the insertion depth of the needle head 15 can be calculated according to the position.
The structure of the one-way medicine inlet valve 17 is the same as that of the one-way medicine outlet valve 18, and the one-way medicine inlet valve 17 is different from the one-way medicine outlet valve 18 in that the installation directions are opposite; the one-way medicine inlet valve 17 and the one-way medicine outlet valve 18 both comprise hollow tubular valve bodies, annular blocking rings 35 are arranged on the inner sides of the front and rear parts of the valve bodies, columnar flow limiting blocks 36 are arranged on the rear sides of the blocking rings 35 at the front ends of the one-way medicine inlet valves 17, a plurality of arc grooves which are uniformly distributed are formed in the outer circumferences of the flow limiting blocks 36, flow limiting springs 37 are arranged on the rear sides of the flow limiting blocks 36, and the rear ends of the flow limiting springs 37 abut against the front sides of the blocking rings 35 at the rear ends.
One-way medicine valve 17 of advancing can only make in the liquid medicine gets into storage cylinder 16, and one-way medicine valve 18 of going out can only make the liquid medicine come out in the storage cylinder 16, and both cooperate for blood can not flow back during the operation, and the liquid medicine can not flow back to in the medicine bottle 11 yet, has both guaranteed the security, has also improved the convenience.
When the device is used, the medicine taking tube 10 is firstly inserted into the medicine bottle 11, the medicine bottle 11 is inserted into the medicine placing groove 8, and then the piston rod 14 is pulled backwards to suck the medicine liquid from the medicine bottle 11 into the medicine storage barrel 16. Then the positioning ring 2 is adjusted to a proper position, the positioning foot 4 is placed on the skin surface of the anesthesia part, the needle inserting rotating wheel 6 is pressed and rotated to realize puncture, and the piston rod 14 is pressed after the needle inserting rotating wheel 6 is loosened to realize anesthesia operation.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.
Although terms such as the needle cylinder 1, the positioning ring 2, the positioning leg 3, the positioning foot 4, the graduation line 5, the needle-entering rotating wheel 6, the needle-entering rotating shaft 7, the medicine placing groove 8, the clamping plate 9, the medicine taking tube 10, the medicine bottle 11, the clamping spring 12, the rear end cover 13, the piston rod 14, the needle head 15, the medicine storage cylinder 16, the one-way medicine inlet valve 17, the one-way medicine outlet valve 18, the medicine outlet hose 19, the needle inlet belt 20, the supporting wheel 21, the transmission wheel 22, the positioning block 23, the clamping hole 24, the clamping tooth 25, the positioning sleeve 26, the locking plate 27, the locking column 28, the driving wheel 29, the prismatic rod 30, the locking spring 31, the prismatic hole 32, the blocking sheet 33, the locking screw 34, the blocking ring 35, the flow limiting block 36 and the flow limiting spring 37 are used more often, the possibility of using other. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (9)

1. Department of anesthesia uses local quick anesthesia syringe which characterized in that: the needle comprises a needle cylinder (1), wherein a needle head (15) capable of moving back and forth is arranged at the front end of the needle cylinder (1), a positioning ring (2) capable of moving back and forth is arranged on the outer circumference of the front part of the needle cylinder (1), a plurality of uniformly distributed positioning legs (3) are arranged at the front end of the positioning ring (2), and positioning feet (4) are arranged at the front ends of the positioning legs (3);
the rear end of the needle head (15) is fixedly connected with a soft medicine outlet hose (19), the rear end of the medicine outlet hose (19) is connected with a medicine storage cylinder (16) through a one-way medicine outlet valve (18), the medicine storage cylinder (16) is fixedly connected to the rear part of the inner side of the needle cylinder (1), the front end of the medicine storage cylinder (16) is connected with a medicine taking tube (10) through a one-way medicine inlet valve (17), the movable end of the medicine taking tube (10) is connected with a medicine bottle (11), and the medicine bottle (11) is detachably connected to the outer side of the needle cylinder (1); the rear end of the medicine storage barrel (16) is connected with a piston rod (14) which can move back and forth in a sliding way.
2. The local rapid anesthetic syringe for anesthesia department as set forth in claim 1, wherein: the front part of the inner side of the needle cylinder (1) is respectively and rotatably connected with a transmission wheel (22), a supporting wheel (21) and a driving wheel (29) from front to back, and the transmission wheel (22), the supporting wheel (21) and the driving wheel (29) are connected through an annular needle entering belt (20);
the outer circumference of the needle entering belt (20) is fixedly connected with a positioning sleeve (26), the rear end of the needle head (15) is fixedly connected with a positioning block (23), and the positioning block (23) is fixedly connected with the positioning sleeve (26); the needle pivot (7) are gone into to action wheel (29) outer end fixedly connected with, go into needle pivot (7) and outside extension and fixedly connected with prism pole (30), the cover is equipped with income needle runner (6) that can follow prism pole (30) axial displacement on prism pole (30), it has prism hole (32) to go into needle runner (6) to open, go into needle runner (6) through prism hole (32) suit in on prism pole (30), prism pole (30) outer end fixedly connected with separation blade (33).
3. The local rapid anesthetic syringe for anesthesia department as set forth in claim 2, wherein: the outer circumferences of the transmission wheel (22) and the driving wheel (29) are provided with a plurality of clamping teeth (25) which are uniformly distributed, the needle entering belt (20) is provided with a plurality of clamping holes (24) which are uniformly distributed along the circumferential direction, and the clamping teeth (25) are clamped in the clamping holes (24).
4. The local rapid anesthetic syringe for anesthesia department as set forth in claim 2, wherein: a locking spring (31) is sleeved on a prismatic rod (30) on the inner side of the needle entering rotating wheel (6), the inner side of the needle entering rotating wheel (6) extends inwards and is fixedly connected with a locking plate (27), and the outer end face of the locking plate (27) is fixedly connected with a plurality of locking columns (28) which are uniformly distributed along the circumference; the locking plate (27) is positioned on the inner side of the needle cylinder (1), a through locking hole is formed in the position, corresponding to the locking column (28), of the needle cylinder (1), and the turning radius of the locking hole is larger than that of the locking column (28).
5. The local rapid anesthetic syringe for anesthesia department as set forth in claim 1, wherein: the utility model discloses a medicine bottle, including cylinder (1), medicine groove (8), cardboard (9) that can control about medicine groove (8) rear portion all is provided with to the left and right sides, the arc wall has all been opened to cardboard (9) inboard, the equal fixedly connected with a plurality of clamping spring (12) of cardboard (9) outer end, clamping spring (12) outer end with put medicine groove (8) inner fixed connection, medicine bottle (11) are arranged in two between cardboard (9).
6. The local rapid anesthetic syringe for anesthesia department as set forth in claim 1, wherein: the rear end of the needle cylinder (1) is fixedly connected with a rear end cover (13), and the rear end cover (13) is provided with a plurality of through vent holes.
7. The local rapid anesthetic syringe for anesthesia department as set forth in claim 1, wherein: the outer circle of the positioning ring (2) is connected with a locking screw (34) in a circumferential inner thread mode and used for positioning the positioning ring (2); the front part of the needle cylinder (1) is provided with scale marks (5).
8. The local rapid anesthetic syringe for anesthesia department as set forth in claim 1, wherein: the structure of the one-way medicine inlet valve (17) is the same as that of the one-way medicine outlet valve (18), and the one-way medicine inlet valve (17) is different from the one-way medicine outlet valve (18) in that the installation directions are opposite; one-way medicine valve (17) and one-way play medicine valve (18) all include hollow tubulose valve body, valve body front and back inboard all is provided with annular fender ring (35), the fender ring (35) rear side of one-way medicine valve (17) front end is provided with columnar current-limiting block (36), open the arc groove that has a plurality of evenly distributed around current-limiting block (36), current-limiting block (36) rear side is provided with current-limiting spring (37), current-limiting spring (37) rear end supports in the rear end keep off ring (35) front side.
9. The local rapid anesthetic syringe for anesthesia department as set forth in claim 1, wherein: the tail end of the medicine outlet hose (19) is fixedly connected with a plastic needle, the plastic needle is inserted into the medicine bottle (11), and anesthetic liquid is filled in the medicine bottle (11).
CN201921459421.5U 2019-09-04 2019-09-04 Local quick anesthesia syringe for anesthesia department Expired - Fee Related CN210785765U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921459421.5U CN210785765U (en) 2019-09-04 2019-09-04 Local quick anesthesia syringe for anesthesia department

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Application Number Priority Date Filing Date Title
CN201921459421.5U CN210785765U (en) 2019-09-04 2019-09-04 Local quick anesthesia syringe for anesthesia department

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CN210785765U true CN210785765U (en) 2020-06-19

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CN201921459421.5U Expired - Fee Related CN210785765U (en) 2019-09-04 2019-09-04 Local quick anesthesia syringe for anesthesia department

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113244484A (en) * 2021-04-14 2021-08-13 中国人民解放军海军军医大学 Controllable-dose rapid injection device for battlefield analgesia

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113244484A (en) * 2021-04-14 2021-08-13 中国人民解放军海军军医大学 Controllable-dose rapid injection device for battlefield analgesia

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