CN114259623A - Rotary inhalation based dose adjustable syringe - Google Patents
Rotary inhalation based dose adjustable syringe Download PDFInfo
- Publication number
- CN114259623A CN114259623A CN202111170980.6A CN202111170980A CN114259623A CN 114259623 A CN114259623 A CN 114259623A CN 202111170980 A CN202111170980 A CN 202111170980A CN 114259623 A CN114259623 A CN 114259623A
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- China
- Prior art keywords
- needle
- tube
- rod
- rotary
- sleeve
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- Pending
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- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 25
- 239000007924 injection Substances 0.000 abstract description 25
- 239000003814 drug Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 10
- 238000011084 recovery Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 4
- 210000003811 finger Anatomy 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of injectors, in particular to an injector with adjustable dosage based on rotary suction. The needle sleeve comprises a needle sleeve, a needle tube arranged at the inner end of the needle sleeve and a push tube arranged at the inner end of the needle tube, wherein baffles are arranged on two sides of the tail end of the needle sleeve, scale rods are arranged on the side surfaces of the baffles, a dispatching block is connected to the scale rods in a threaded manner, the push tube is in telescopic fit with the inner end of the needle tube, sleeves are arranged on two sides of the push tube, and the sleeves are in plug-in fit with the scale rods. According to the invention, through the arranged scale rods and the scheduling block, in the injection process, the scheduling block is rotated to move to the position of a required metering scale, the push pipe is pushed at the moment, the medicament at the inner end of the needle tube of the two sleeves is pushed out through the push head, the two sleeves slide with the two scale rods, when the tail ends of the sleeves contact the scheduling block, the push pipe cannot continuously slide, the required metering is completely injected into an injector at the moment, the metering of the injected medicament can be adjusted, the injection efficiency is improved, and the phenomenon that the recovery of a patient is influenced by inaccurate metering caused by artificial injection is avoided.
Description
Technical Field
The invention relates to the technical field of injectors, in particular to an injector with adjustable dosage based on rotary suction.
Background
A syringe is a common medical device, and the process of drawing and injecting gas or liquid with a needle is called injection. The injector consists of a syringe with a small hole at the front end and a matched piston core rod, and is used for injecting a small amount of liquid or extracting the liquid or the liquid from the inaccessible area by other methods, the liquid or gas is sucked from the small hole at the front end of the syringe when the core rod is pulled out, the liquid or gas is extruded when the core rod is pushed in, and the injector can also be used for injecting medical equipment, containers and scientific instruments in chromatography through a rubber diaphragm.
When the existing injector injects the medicament, the medicament is generally injected by metering the medicament through the accumulated experience of medical staff, the mode of manually controlling the metering is relatively difficult for some beginners, the injection effect of the injected person can be influenced, and even the injected person can be damaged secondarily.
Disclosure of Invention
It is an object of the present invention to provide a rotary inhalation based dose adjustable injector that solves the problems set forth in the background above.
In order to achieve the above object, there is provided a rotary inhalation-based syringe with adjustable dose, comprising a needle sheath, a needle tube mounted at the inner end of the needle sheath, and a push tube mounted at the inner end of the needle tube, wherein the needle sheath at least comprises:
the clamping ring is arranged at the tail end of the needle sleeve;
the pair of baffles is arranged, and the two baffles are respectively arranged on the left side and the right side of the clamping ring;
the scale rod is arranged on the side face of the baffle, threads are arranged on the surface of the scale rod, scale marks are arranged on the surface of the scale rod, a scheduling block is arranged on the scale rod, and the scheduling block and the scale rod rotate in a threaded mode;
the needle tubing with needle cover the inner cooperation of cup jointing, the needle tubing end is provided with a pair of stopper, the stopper side is provided with the jack, the inboard end of needle tubing is provided with the inner ring, the needle tubing other end is provided with the connector, the connector end is provided with the syringe needle, the ejector sleeve with the cooperation of pegging graft of needle tubing inner, the ejector sleeve end is provided with the pusher, the ejector sleeve both sides all are provided with the sleeve, the sleeve with the cooperation of pegging graft of jack, the sleeve with the cooperation of splicing of scale rod, the ejector sleeve end is provided with the flitch, the flitch side is provided with presses the depression bar.
As a further improvement of the technical scheme, a plurality of notch grooves are formed in the tail end of the needle sleeve, a plurality of clamping blocks are arranged on the side face of the tail end of the needle tube, and the clamping blocks are in clamping fit with the notch grooves.
As a further improvement of the technical scheme, the inner end of the notch groove is in threaded connection with a screw rod, a threaded hole is formed in the side face of the fixture block, and the threaded hole is in threaded connection with the screw rod.
As a further improvement of the technical scheme, observation grooves are arranged on two sides of the needle sleeve and are of arc-shaped structures.
As a further improvement of the technical scheme, the front side of the needle sleeve is provided with an elastic part which is in a thread-shaped annular structure.
As a further improvement of the technical scheme, a handheld rod is arranged at the bottom end of the needle sleeve, a buckling rod is connected between the handheld rod and the bottom end of the needle sleeve, and the buckling rod is of an L-shaped rod-shaped structure.
As a further improvement of the technical scheme, the side surface of the handheld rod is provided with a plurality of grooves, and the cross section size of each groove is matched with the cross section size of the finger of a user.
As a further improvement of the technical scheme, an external thread is arranged on the outer side of the connector, an internal thread is arranged on the inner side of the needle head, and the internal thread is in threaded connection with the external thread.
As a further improvement of the technical scheme, a plurality of convex rods are arranged on the outer side of the needle head.
As a further improvement of the technical solution, the pressing rod is sleeved with a clamping piece.
Compared with the prior art, the invention has the beneficial effects that:
1. in this syringe with adjustable dose based on rotatory suction-type, through scale bar and the dispatch piece that sets up, in carrying out the injection process, the dispatch piece rotates, make it remove to demand measurement scale department, promote the ejector sleeve this moment, release the medicament of its needle tubing inner through the syringe head, two sleeves slide rather than two scale bars this moment, when its sleeve end contacts the dispatch piece, the ejector sleeve can't continue to slide, demand measurement injects the person of injection completely this moment, it is adjustable to realize injecting the medicament measurement, the injection efficiency is improved, avoid artificial injection to lead to the inaccurate patient that influences of measurement to resume.
2. In this syringe with adjustable dose based on rotatory suction-type, can observe the medicament measurement that inner needle tubing held through the observation groove that sets up, the intake and the extraction volume of the operation personnel of being convenient for real-time observation medicament prevent when carrying out the medicament extraction, and the medicament is insufficient, leads to the inner unable filling of needle tubing, and when injecting, actual injection volume will reduce.
3. In this syringe adjustable based on rotatory inhaled dose, through the handheld pole that sets up, convenient to use person holds to in carrying out the injection process, need use another hand to carry out the fixed point to its injection person injection position, the handheld pole is held to the one hand this moment, uses the thumb to press the depression bar to it and presses, further improves the availability factor, improves its flexibility of use simultaneously, with the injection work of reply different demands.
4. In this syringe with adjustable dose based on rotatory suction-type, through the external screw thread and the internal thread that set up, realize the internal thread and freely install and dismantle, the later stage of being convenient for is changed its syringe needle, guarantees to use the back at every turn, can in time take off the syringe needle, avoids injecting cross infection.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is an exploded view of the whole structure of example 1 of the present invention;
fig. 3 is an exploded view of a needle hub structure according to embodiment 1 of the present invention;
fig. 4 is a partially enlarged view at a of fig. 3 of embodiment 1 of the present invention;
fig. 5 is a partially enlarged view of the portion B of fig. 3 in embodiment 1 of the present invention;
FIG. 6 is a schematic view of a structure of a hand-held lever according to embodiment 1 of the present invention;
FIG. 7 is an exploded view of a syringe structure according to embodiment 1 of the present invention;
FIG. 8 is a sectional view showing the structure of a needle cannula according to embodiment 1 of the invention;
fig. 9 is a partially enlarged view at C of fig. 8 of embodiment 1 of the present invention;
fig. 10 is a partially enlarged view at D of fig. 8 of embodiment 1 of the present invention;
fig. 11 is a sectional view of a push pipe structure according to embodiment 1 of the present invention.
The various reference numbers in the figures mean:
10. a needle sleeve;
110. a snap ring;
120. a baffle plate;
130. a graduated rod; 131. A scheduling block;
140. a notch groove; 141. a screw;
150. an observation tank;
160. an elastic member;
170. a hand-held wand; 171. grooving; 172. a buckle rod;
20. a needle tube;
210. a limiting block; 211. a jack;
220. an inner ring;
230. a connector; 231. an external thread;
240. a needle head; 241. an internal thread; 242. a nose bar;
250. a clamping block; 251. a threaded hole;
30. pushing the tube;
310. pushing the head;
320. a sleeve;
330. pasting a board;
340. a pressing lever; 341. a clamping member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1 to 11, the present embodiment is directed to a rotary inhalation-based dose adjustable syringe, which includes a needle sheath 10, a needle tube 20 mounted at the inner end of the needle sheath 10, and a push tube 30 mounted at the inner end of the needle tube 20, wherein the needle sheath 10 at least includes:
the snap ring 110 is arranged at the tail end of the needle sleeve 10;
a pair of baffles 120 are arranged on each baffle 120, and the two baffles 120 are respectively arranged on the left side and the right side of the snap ring 110;
the scale rod 130 is arranged on the side face of the baffle 120, threads are arranged on the surface of the scale rod 130, scale marks are arranged on the surface of the scale rod 130, the scheduling block 131 is arranged on the scale rod 130, and the scheduling block 131 and the scale rod 130 rotate in a threaded mode;
the needle tube 20 is matched with the inner end of the needle sleeve 10 in a sleeved mode, the tail end of the needle tube 20 is provided with a pair of limiting blocks 210, the side faces of the limiting blocks 210 are provided with insertion holes 211, the tail end of the inner side of the needle tube 20 is provided with an inner ring 220, the other end of the needle tube 20 is provided with a connecting head 230, the tail end of the connecting head 230 is provided with a needle head 240, the push tube 30 is matched with the inner end of the needle tube 20 in an inserted mode, the tail end of the push tube 30 is provided with a push head 310, two sides of the push tube 30 are respectively provided with a sleeve 320, the sleeve 320 is matched with the insertion holes 211 in an inserted mode, the sleeve 320 is matched with the scale rod 130 in a sleeved mode, the tail end of the push tube 30 is provided with a pasting plate 330, and the side faces of the pasting plate 330 are provided with a pressing rod 340.
When the quantitative injection device is used specifically, when a patient needs to be injected quantitatively, firstly, the inner end of the needle tube 20 is sucked into a medicament to fill the inner end of the needle tube 20, the scheduling block 131 is rotated, the scales of the scale rod 130 are observed until the scheduling block 131 moves to a proper scale, the pressing rod 340 is pushed at the moment, the pushing head 310 is driven to slide along the inner end of the needle tube 20, the patient is injected, the sleeves 320 on two sides of the pushing tube 30 slide along the corresponding scale rods 130, when the tail ends of the sleeves 320 contact the side face of the scheduling block 131, the pressing rod 340 cannot be pushed at the moment, the patient is indicated to be injected with the medicament with proper metering, and the metering regulation and control of the medicament are completed.
In addition, the end of the needle sheath 10 is provided with a plurality of notch grooves 140, the side surface of the end of the needle tube 20 is provided with a plurality of clamping blocks 250, and the clamping blocks 250 are clamped and matched with the notch grooves 140. When the needle sleeve is used specifically, the needle sleeve 10 and the needle tube 20 are further connected through the notch groove 140 and the fixture block 250, so that the side surface of the needle sleeve 10 is limited in the injection process, and the injection efficiency is prevented from being reduced due to rotation.
Further, the inner end of the notch groove 140 is in threaded connection with a screw 141, the side surface of the latch 250 is provided with a threaded hole 251, and the threaded hole 251 is in threaded connection with the screw 141. When the needle sleeve is used in a concrete mode, the needle sleeve 10 and the needle tube 20 of the needle sleeve are freely mounted and dismounted through the arranged screw rod 141, so that the needle sleeve is convenient to replace at a later stage and is convenient to carry.
Furthermore, the two sides of the needle sheath 10 are provided with observation grooves 150, and the observation grooves 150 are in arc-shaped structures. During the specific use, can observe the medicament measurement that inner needle tubing 20 held through the observation groove 150 that sets up, the intake and the extraction volume of the medicament of being convenient for operating personnel real-time observation are prevented when carrying out the medicament extraction, and the medicament is insufficient, leads to needle tubing 20 inner unable to be filled up, and when injecting, actual injection volume will reduce.
Specifically, needle cover 10 front side is provided with elastic component 160, and elastic component 160 is screw thread form annular structure, and elastic component 160 preferentially adopts rubber materials, and the texture is soft, has certain elasticity, and is nontoxic harmless simultaneously, exposes outer end position to its needle tubing 20 and protects, avoids long-term injection in-process, and needle tubing 20 outer end touches article on every side, leads to the injection person secondary damage to appear.
In addition, a hand-held rod 170 is arranged at the bottom end of the needle sheath 10, a buckling rod 172 is connected between the hand-held rod 170 and the bottom end of the needle sheath 10, and the buckling rod 172 is in an L-shaped rod-shaped structure. During specific use, through the handheld pole 170 that sets up, the user of being convenient for holds to in carrying out the injection process, need use another hand to carry out the fixed point to its injection person's injection site, the handheld pole 170 is held to the one hand this moment, uses the thumb to press down the pole 340 to it and presses, further improves the availability factor, improves its flexibility of use simultaneously, with the injection work of reply different demands.
Furthermore, the hand-held rod 170 is provided with a plurality of grooves 171 on the side surface, and the sectional dimension of the grooves 171 is matched with the sectional dimension of the fingers of the user. Through the thread groove 171 who sets up, improve frictional force between user and its handheld pole 170, avoid in the use, handheld pole 170 drops from user's hand, leads to whole device to appear damaging.
Still further, the outer side of the connector 230 is provided with an external thread 231, the inner side of the needle 240 is provided with an internal thread 241, and the internal thread 241 is in threaded connection with the external thread 231. Through the external screw thread 231 and the internal thread 241 that set up, realize that internal thread 241 freely installs and dismantles, the later stage of being convenient for is changed its syringe needle 240, guarantees to use the back at every turn, can in time take off syringe needle 240, avoids injection cross infection.
In addition, a plurality of protruding rods 242 are disposed outside the needle 240. Through the convex rod 242, the outer side of the needle 240 is kept smooth, so that the needle is easy to slip in the rotating process, the tail end of the needle 240 is easy to prick a user, and at the moment, the roughness of the outer side of the needle 240 can be increased through the convex rod 242, so that the slipping in the rotating process is avoided.
In addition, the pressing rod 340 is fitted with a holder 341. The clamping member 341 is preferably made of sponge material, has soft texture, and is convenient for a user to clamp fingers so as to push the pressing rod 340.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Syringe with adjustable dose based on rotatory suction-type, including needle cover (10), install needle tubing (20) in needle cover (10) inner and install push tube (30) in needle tubing (20) inner, its characterized in that: the needle sleeve (10) comprises at least:
the snap ring (110), the said snap ring (110) is set up in the end of the said needle sleeve (10);
the pair of baffles (120) is arranged on each baffle (120), and the two baffles (120) are respectively arranged on the left side and the right side of the clamping ring (110);
the scale rod (130) is arranged on the side face of the baffle (120), the surface of the scale rod (130) is provided with threads, the surface of the scale rod (130) is provided with scale marks, the scale rod (130) is provided with a scheduling block (131), and the scheduling block (131) and the scale rod (130) rotate in a threaded mode;
the needle tube (20) is in sleeve fit with the inner end of the needle sleeve (10), a pair of limiting blocks (210) are arranged at the tail end of the needle tube (20), the side surface of the limiting block (210) is provided with a jack (211), the tail end of the inner side of the needle tube (20) is provided with an inner ring (220), the other end of the needle tube (20) is provided with a connector (230), the tail end of the connector (230) is provided with a needle head (240), the push tube (30) is matched with the inner end of the needle tube (20) in an inserting way, the tail end of the push tube (30) is provided with a push head (310), sleeves (320) are arranged on two sides of the push pipe (30), the sleeves (320) are in inserting fit with the insertion holes (211), the sleeve (320) is matched with the scale rod (130) in a sleeved mode, a pasting plate (330) is arranged at the tail end of the push pipe (30), and a pressing rod (340) is arranged on the side face of the pasting plate (330).
2. The rotary inhalation-based dose adjustable syringe of claim 1, wherein: the needle sleeve (10) is provided with a plurality of notch grooves (140) at the tail end, a plurality of clamping blocks (250) are arranged on the side face of the tail end of the needle tube (20), and the clamping blocks (250) are in clamping fit with the notch grooves (140).
3. The rotary inhalation-based dose adjustable syringe of claim 2, wherein: the inner end of the notch groove (140) is in threaded connection with a screw rod (141), a threaded hole (251) is formed in the side face of the clamping block (250), and the threaded hole (251) is in threaded connection with the screw rod (141).
4. The rotary inhalation-based dose adjustable syringe of claim 2, wherein: the observation grooves (150) are formed in the two sides of the needle sleeve (10), and the observation grooves (150) are of arc-shaped structures.
5. The rotary inhalation-based dose adjustable syringe of claim 4, wherein: an elastic piece (160) is arranged on the front side of the needle sleeve (10), and the elastic piece (160) is of a threaded annular structure.
6. The rotary inhalation-based dose adjustable syringe of claim 5, wherein: the handle bar (170) is arranged at the bottom end of the needle sleeve (10), a buckle bar (172) is connected between the handle bar (170) and the bottom end of the needle sleeve (10), and the buckle bar (172) is of an L-shaped rod-shaped structure.
7. The rotary inhalation-based dose adjustable syringe of claim 6, wherein: the side surface of the handheld rod (170) is provided with a plurality of grooves (171), and the cross section size of each groove (171) is matched with the cross section size of a finger of a user.
8. The rotary inhalation-based dose adjustable syringe of claim 1, wherein: the connector (230) outside is provided with external screw thread (231), syringe needle (240) inboard is provided with internal thread (241), internal thread (241) with external screw thread (231) threaded connection.
9. The rotary inhalation-based dose adjustable syringe of claim 8, wherein: a plurality of convex rods (242) are arranged on the outer side of the needle head (240).
10. The rotary inhalation-based dose adjustable syringe of claim 1, wherein: the clamping piece (341) is sleeved on the pressing rod (340).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111170980.6A CN114259623A (en) | 2021-10-08 | 2021-10-08 | Rotary inhalation based dose adjustable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111170980.6A CN114259623A (en) | 2021-10-08 | 2021-10-08 | Rotary inhalation based dose adjustable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114259623A true CN114259623A (en) | 2022-04-01 |
Family
ID=80824667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111170980.6A Pending CN114259623A (en) | 2021-10-08 | 2021-10-08 | Rotary inhalation based dose adjustable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114259623A (en) |
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| CN212214319U (en) * | 2020-01-02 | 2020-12-25 | 江苏迈硕医疗科技有限公司 | Syringe for anesthesia |
| CN112827017A (en) * | 2021-01-04 | 2021-05-25 | 南昌大学第二附属医院 | Novel accurate intelligent injection device for awakening anesthetic and use method thereof |
| CN213609000U (en) * | 2020-10-29 | 2021-07-06 | 航天中心医院 | Limit syringe |
| CN213758744U (en) * | 2020-10-23 | 2021-07-23 | 常熟俊泽精密电子科技有限公司 | Plastic syringe capable of accurately metering |
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2021
- 2021-10-08 CN CN202111170980.6A patent/CN114259623A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2560359Y (en) * | 2002-03-11 | 2003-07-16 | 孙钢 | Precessing pressure syringe |
| US20090234284A1 (en) * | 2008-03-11 | 2009-09-17 | Wei-Shui Wu | Safety Syringe Device |
| CN102178990A (en) * | 2010-01-08 | 2011-09-14 | 江苏华兰米特医疗科技有限公司 | Needleless injector |
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