CN115245609A - Disposable aseptic syringe needle - Google Patents
Disposable aseptic syringe needle Download PDFInfo
- Publication number
- CN115245609A CN115245609A CN202110847834.6A CN202110847834A CN115245609A CN 115245609 A CN115245609 A CN 115245609A CN 202110847834 A CN202110847834 A CN 202110847834A CN 115245609 A CN115245609 A CN 115245609A
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- China
- Prior art keywords
- liquid
- needle
- joint
- injection
- injection needle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3295—Multiple needle devices, e.g. a plurality of needles arranged coaxially or in parallel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/425—Protruding skin to facilitate piercing, e.g. vacuum cylinders, vein immobilising means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/46—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for controlling depth of insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M2005/3101—Leak prevention means for proximal end of syringes, i.e. syringe end opposite to needle mounting end
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a disposable sterile injection needle, wherein an adjusting knob is rotatably connected to the upper end surface of a shell, a liquid guide joint is driven and controlled by the adjusting knob, the liquid guide joint is movably arranged in the shell, the output end of the liquid guide joint is communicated with a needle base, one end, away from the liquid guide joint, of the needle base is communicated with the injection needle, the needle base is movably arranged in the shell, the adjusting knob is used for controlling the liquid guide joint to reciprocate in the shell, and an adsorption tube is fixedly connected to the lower end surface of the shell.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a disposable sterile injection needle.
Background
Due to the beauty nature of women, the development of the face-lifting industry is more and more rapid, many women keep young appearance by using a medicine injection mode, wherein the injection by using a water light needle is a common beauty treatment method in the industry, the water light needle beauty treatment is actually an injection type skin care therapy, and a special instrument 'electronic injector is used for controlling a boosting device' during injection to inject required beauty injections into the dermis layer tightly attached to the lower part of the epidermis. The skin can become moist and bright after injection.
The invention discloses a Chinese patent publication No. CN111569190A, and discloses a five-hole water laser needle, which comprises a lower needle seat, a flow distribution plate, an adjusting plate and an upper needle seat which are sequentially arranged; a first groove is formed in the position, close to the flow distribution plate, of the lower needle base, the flow distribution plate is arranged in the first groove, four flow distribution holes are symmetrically formed in the position, close to the first groove, of the flow distribution plate, the flow distribution holes penetrate through the flow distribution plate, four first flow distribution blocks are symmetrically arranged between the flow distribution holes on one side, far away from the lower needle base, of the flow distribution plate, and the first flow distribution blocks protrude out of the first groove; go up needle file one side and evenly be provided with five pinhole covers, the opposite side of going up the needle file is provided with the opening, and one side that the regulating plate is close to the needle file corresponds is provided with five and goes up the pinhole, and the regulating plate setting is in going up the needle file, go up the pinhole and use with pinhole cover cooperation. The needle plate has the advantages of simple structure and good sealing performance, the flow distribution plate is arranged in the needle plate, the distribution balance of liquid in the needle plate is improved, and the using effect is good.
The existing water light needle injector is complex to operate when in use, and the exposed needle head is easy to cause puncture or needle head pollution, and the injection needs to be injected into the dermis, so that the injection depth is difficult to be well controlled during injection.
Therefore, there is a need to provide a single use sterile injection needle that solves the above-mentioned problems.
Disclosure of Invention
The present invention aims to provide a disposable sterile injection needle to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a disposable aseptic syringe needle, includes the casing, the up end of casing is rotated and is connected with adjust knob, adjust knob drive control has the drain to connect, the drain connects the activity to set up the inside at the casing, adjust knob's up end is rotated and is connected with the upper cover plate, drain joint output intercommunication has the needle file, the needle file deviates from the one end that the drain connects and is linked together with the syringe needle, just the needle file activity sets up the inside at the casing, the side end face middle part that the drain connects inlays and is equipped with the external screw thread, just adjust knob's middle part is seted up the internal thread with external screw thread looks adaptation, adjust knob is used for controlling the drain and connects the reciprocating motion inside the casing, the lower terminal surface fixedly connected with adsorption tube of casing.
During the use, the injection liquid passes through the electronic syringe control boosting device and connects the drain joint and pours into, can reach regularly quantitative injection effect in clinical application, the injection liquid leads to in the syringe needle through the casing along with the drain joint, inject into the skin through the syringe needle inside, the drain joint activity sets up in the inside of casing, can control the inside flexible of adsorption tube of syringe needle through the removal of control drain joint, avoid the pollution to the syringe needle through the inside of contracting the syringe needle into the adsorption tube when idle, the slip drain joint drives the syringe needle and stretches out and can use during the injection, and rotate at the up end of casing and be connected with adjust knob, screw-thread fit through adjust knob and drain joint outer terminal surface, can control the removal of drain joint in the casing inside through rotating adjust knob, it is comparatively convenient to operate, and the syringe needle can adopt the needle point portion to divide secondary cutting edge, the painful sense of puncture skin has been reduced, can set up to five needles simultaneously, nine needles or more according to the needs.
In a further aspect of the present invention, a negative pressure joint is disposed through a side end surface of the adsorption tube, a negative pressure device is communicated with one end of the negative pressure joint, which is away from the adsorption tube, and a scale line and a direction indication arrow are disposed on a surface of the adsorption tube.
During specific use, can make the syringe needle remove and stretch out the inside of adsorption tube through rotating adjust knob, the length of stretching out of syringe needle can be judged to the scale through the adsorption tube surface, the person of being convenient for to use masters the injection depth of syringe needle, and further there is the negative pressure joint at the side intercommunication of adsorption tube, negative pressure joint intercommunication negative pressure device, negative pressure device can specifically use medical grade negative pressure tractor to provide pressure, produce the negative pressure through negative pressure device after contacting adsorption tube and injection person's skin surface, make adsorption tube and injection person's skin adsorb mutually, avoid the aversion of injection needle in the injection process or drop influence injection effect.
As a further scheme of the invention, the inner wall of the shell is attached with sealing rubber, a leakage cavity is formed in the sealing rubber, and the needle seat is movably arranged in the leakage cavity.
As a further scheme of the invention, a leakage-proof gap is arranged between the needle seat and the leakage cavity, a backflow bulge is arranged at the contact joint of the sealing rubber and the injection needle, and the backflow bulge penetrates through the shell and extends to the outer surface of the shell.
When the needle seat is used specifically, the needle seat is movably arranged in the leakage cavity, and a leakage-proof gap is arranged between the leakage cavity and the needle seat, so that when the needle seat moves in the leakage cavity, the pressure inside the leakage cavity is at a proper value, the leakage-proof gap can be used for preventing the needle seat from generating leakage and overflowing, when the leakage is generated at the bottom of the needle seat, the leakage is filled into the leakage-proof gap, the leakage-proof gap is closed under the action of liquid tension, further leakage of the liquid is prevented, a backflow bulge is arranged for preventing the backflow of the liquid in the injection needle, and when the injection needle is effectively prevented from generating the overflow through the backflow bulge, the overflowing liquid flows back to the inner part of the leakage cavity along with the injection needle.
As a further scheme of the invention, one end of the liquid guiding joint, which is arranged in the shell, is fixedly connected with a connecting plate, the lower end face of the connecting plate is fixedly connected with a backflow panel, and one end of the liquid guiding joint, which is far away from the connecting plate, is provided with a quick-release structure.
As a further scheme of the invention, the quick release structure comprises a first connecting pipe, a liquid injection push plate, a second connecting pipe and a movable sleeve, the second connecting pipe is fixedly connected to the upper end surface of the liquid guide joint, the lower part of the movable sleeve is slidably sleeved inside the second connecting pipe, the first connecting pipe is slidably sleeved on the upper part of the movable sleeve, and the liquid injection push plate is embedded in the middle of the movable sleeve.
As a further scheme of the invention, a fixing groove is formed in the inner wall of the first connecting pipe, and a thimble is fixedly connected to the middle of the liquid injection push plate.
When the liquid guide connector is used specifically, the first connecting pipe can be made of elastic materials, a pipeline or an ampere bottle and the like for liquid injection are fixed through the fixing groove, the ejector pin is arranged and can break the liquid level tension of the opening of the ampere bottle, and liquid medicine in the ampere bottle can flow into the liquid guide connector rapidly.
As a further scheme of the invention, the liquid injection push plate comprises a liquid injection push plate main body, a first liquid passing hole, a closed plate, a second liquid passing hole, a movable groove and a spring, wherein the liquid injection push plate main body is embedded in the middle of the movable sleeve, the first liquid passing hole is formed in the middle of the liquid injection push plate main body, the movable groove is formed in the liquid injection push plate main body, the closed plate is movably connected in the movable groove, the spring is fixedly connected to the inner wall of the movable groove, one end, away from the movable groove, of the spring is fixedly connected with the closed plate, the second liquid passing hole is formed in the closed plate, and the closed plate is matched with the first liquid passing hole.
During the specific use, the closing plate passes through the inside of spring elastic connection at the movable groove, through pressing the closing plate when the liquid medicine is injected, make the spring shrink, and then make first liquid hole and the second of crossing cross the liquid hole and be linked together, annotate the liquid push pedal through removing, cross the inside that the liquid hole flowed into drain joint through first liquid hole and second with the liquid medicine, and drain joint can open and adopt transparent material, be convenient for run through the inside liquid state of drain joint, the liquid medicine is injected into the inside back of drain joint, loosen the closing plate, the closing plate pops out under the effect of spring, and then seal first liquid hole, annotate the liquid push pedal through pushing down, make drain joint internal pressure increase, and then can make the liquid medicine flow into the syringe needle through drain joint and inject, need not to annotate the liquid medicine taking out the back in by ampere bottle, it is comparatively convenient to operate.
As a further scheme of the invention, a flow passing groove is formed in the needle base, a sliding groove is formed in the inner wall of the flow passing groove, a first magnetic suction plate is connected in the flow passing groove in a sliding manner, a sliding block matched with the sliding block is arranged on the side end face of the first magnetic suction plate, a flow blocking block is fixedly connected to the middle of the first magnetic suction plate, and four corners of the upper end face of the first magnetic suction plate are fixedly connected with movable connecting rods.
As a further scheme of the invention, the backflow panel is matched with the surface of the first magnetic attraction plate, the backflow panel is fixedly connected with a second magnetic attraction plate which is attracted with the first magnetic attraction plate, the surface of the backflow panel is provided with a connecting rod groove matched with the movable connecting rod, the middle part of the backflow panel is provided with a choke groove matched with the choke block, and the choke groove is communicated with the liquid outlet end of the liquid guide connector.
When the liquid guide joint is used, the needle seat is fixedly connected with the lower end face of the connecting plate, the first magnetic suction plate is connected to the inside of the overflowing groove through the sliding block and the sliding groove in a sliding mode, when liquid is injected into the liquid guide joint, the second magnetic suction plate is separated from the first magnetic suction plate due to liquid pressure in the liquid guide joint, the liquid outlet end of the liquid guide joint is communicated with the overflowing groove, the liquid flows out along with the overflowing groove through the liquid guide joint and is injected into the inside of an injection needle, when liquid is not injected, the first magnetic suction plate and the second magnetic suction plate are attracted mutually under the action of magnetic force, the blocking groove is matched with the blocking block, the liquid outlet end of the liquid guide joint is closed, liquid is effectively prevented from flowing back to pollute liquid medicine in the liquid guide joint under the state of not injecting liquid, meanwhile, the movable connecting rod is arranged on the upper end face of the first magnetic suction plate and matched with the connecting rod groove, when the second magnetic suction plate and the first magnetic suction plate are attracted mutually, the assembling stability is avoided from being incomplete, and liquid leakage is avoided.
The working principle is as follows: the injection is injected through the liquid guiding joint, the injection is guided into the injection needle through the shell along with the liquid guiding joint and is injected into the skin through the injection needle, the liquid guiding joint is movably arranged inside the shell, the expansion and contraction inside the adsorption tube of the injection needle can be controlled by controlling the movement of the liquid guiding joint, the injection needle is contracted into the adsorption tube to avoid the pollution to the injection needle when the injection needle is idle, the injection needle can be used by driving the injection needle to extend out through sliding the liquid guiding joint when the injection needle is used, the upper end surface of the shell is rotatably connected with the adjusting knob, the adjustment knob is matched with the thread on the outer end surface of the liquid guiding joint through rotating the adjusting knob, the movement of the liquid guiding joint inside the shell can be controlled by rotating the adjusting knob, the operation is convenient, the injection needle can move and extend out of the adsorption tube through rotating the adjusting knob, the extending length of the injection needle can be judged through the scale on the surface of the adsorption tube, the injection depth of the injection needle can be conveniently mastered by a user, the side end of the adsorption tube is communicated with a negative pressure joint which is communicated with a negative pressure device, the negative pressure device can specifically use a medical-grade negative pressure tractor to provide pressure, the adsorption tube is contacted with the skin surface of an injector and then generates negative pressure through the negative pressure device, so that the adsorption tube is adsorbed with the skin of the injector, the injection needle is prevented from shifting or falling off to influence the injection effect in the injection process, meanwhile, the needle seat is movably arranged in the leakage cavity, a leakage-proof gap is arranged between the leakage cavity and the needle seat, when the needle seat moves in the leakage cavity, the pressure in the leakage cavity is in a proper value, the leakage-proof gap can be used for preventing the needle seat from generating leakage overflow, when leakage is generated at the bottom of the needle seat, the leakage is filled into the leakage-proof gap, and the leakage-proof gap is closed under the action of liquid tension, thereby preventing further liquid leakage, the backflow bulge is arranged to prevent liquid in the injection needle from flowing back, when the injection needle is effectively prevented from overflowing through the backflow bulge, the overflowing liquid flows back to the inner part of the liquid leakage cavity along with the injection needle to pollute the device, the first connecting pipe can be made of elastic materials, a pipeline or an ampere bottle and the like for injecting liquid are fixed through the fixed groove, the thimble is arranged to break the liquid level tension of the opening of the ampere bottle, so that the liquid medicine in the ampere bottle can quickly flow into the liquid guide joint, the closed plate is elastically connected to the inner part of the movable groove through the spring, when the liquid medicine is injected, the spring is contracted by pressing the closed plate, the first liquid through hole is communicated with the second liquid through hole, the liquid medicine flows into the inner part of the liquid guide joint through the first liquid through hole and the second liquid through hole by moving the liquid injection push plate, and the liquid guide joint can be made of transparent materials, the liquid state which is convenient to penetrate through the liquid guiding joint is convenient, after liquid medicine is injected into the liquid guiding joint, the closing plate is loosened, the closing plate is popped out under the action of the spring, the first liquid passing hole is further closed, the internal pressure of the liquid guiding joint is increased by pressing the liquid injection push plate downwards, the liquid medicine can flow into the injection needle through the liquid guiding joint for injection, the liquid injection is carried out after the liquid medicine is not required to be drawn out from an ampere bottle, the operation is convenient, the needle base is fixedly connected with the lower end face of the connecting plate, the first magnetic suction plate is connected inside the overflowing groove in a sliding mode through the sliding block and the sliding groove, when the liquid is injected into the liquid guiding joint, the second magnetic suction plate is separated from the first magnetic suction plate due to the liquid pressure in the liquid guiding joint, the liquid outlet end of the liquid guiding joint is communicated with the overflowing groove, the liquid flows out through the liquid guiding joint and is injected into the injection needle along with the overflowing groove, when not annotating the liquid, first magnetism suction disc and second magnetism suction disc are mutual absorption under magnetic force, and then make chute and spoiler adaptation, make the play liquid end closure that the drain connects, effectively prevent to annotate under the liquid state not, liquid produces the backward flow and then produces the pollution to the interior liquid medicine of drain joint, be equipped with movable connecting rod at the up end of first magnetism suction disc simultaneously, movable connecting rod and connecting rod groove adaptation, when having guaranteed second magnetism suction disc and first magnetism suction disc mutual absorption, the stability of assembly, avoid airtight incomplete to the chute, thereby produce the weeping, liquid reflux produces the pollution to the interior liquid medicine of drain joint in the effective prevention device.
When the injection needle is used, injection liquid is injected through the liquid guide joint, the injection liquid is guided into the injection needle through the shell along with the liquid guide joint and is injected into the skin through the injection needle, the liquid guide joint is movably arranged inside the shell, the expansion and contraction inside the adsorption tube of the injection needle can be controlled by controlling the movement of the liquid guide joint, when the injection needle is idle, the injection needle is prevented from being polluted by contracting the injection needle into the adsorption tube, when the injection needle is used, the injection needle can be used by sliding the liquid guide joint to drive the injection needle to extend out, the device has strong adaptability, the injection depth of the injection needle can be adjusted according to different patients, the upper end face of the shell is rotatably connected with the adjusting knob, the adjusting knob is matched with the thread on the outer end face of the liquid guide joint, the moving stroke of the liquid guide joint inside the shell can be controlled by rotating the adjusting knob, the injection depth of the injection needle is further controlled, the device is convenient to operate, and the practicability is strong.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a half-section of the present invention;
FIG. 3 is a schematic illustration of an explosive structure of the present invention;
FIG. 4 is a schematic view of a catheter structure of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4A according to the present invention;
FIG. 6 is a schematic view of the liquid injection push plate structure of the present invention;
FIG. 7 is a schematic sectional view of the liquid injection push plate of the present invention;
FIG. 8 is a schematic view of the hub structure of the present invention;
FIG. 9 is a schematic view of a reflow panel construction of the present invention;
fig. 10 is a sectional view of the housing of the present invention.
In the figure: 1. a drainage connector; 2. an upper cover plate; 3. adjusting a knob; 4. a negative pressure joint; 5. an injection needle; 6. an adsorption tube; 7. a housing; 8. sealing rubber; 9. a needle seat; 10. an external thread; 11. a reflow panel; 12. a connecting plate; 13. a thimble; 14. fixing grooves; 15. a first connecting pipe; 16. injecting a liquid push plate; 17. a second connecting pipe; 18. an active cannula; 19. a liquid injection push plate main body; 20. a first liquid passing hole; 21. a closing plate; 22. a second liquid passing hole; 23. a movable groove; 24. a spring; 25. a flow through groove; 26. a slider; 27. a first magnetic attraction plate; 28. a movable connecting rod; 29. a chute; 30. a flow blocking block; 31. a second magnetic attraction plate; 32. a connecting rod slot; 33. a flow-blocking groove; 34. a reflow bump; 35. a leakage cavity; 36. a leak-proof gap.
Detailed Description
Example one
As shown in fig. 1-4, a disposable sterile injection needle comprises a housing 7, an adjusting knob 3 is rotatably connected to the upper end surface of the housing 7, a liquid guiding joint 1 is driven and controlled by the adjusting knob 3, the liquid guiding joint 1 is movably arranged inside the housing 7, an upper cover plate 2 is rotatably connected to the upper end surface of the adjusting knob 3, an output end of the liquid guiding joint 1 is communicated with a needle seat 9, one end of the needle seat 9, which deviates from the liquid guiding joint 1, is communicated with the injection needle 5, the needle seat 9 is movably arranged inside the housing 7, an external thread 10 is embedded in the middle of the side end surface of the liquid guiding joint 1, an internal thread matched with the external thread 10 is arranged in the middle of the adjusting knob 3, the adjusting knob 3 is used for controlling the reciprocating motion of the liquid guiding joint 1 inside the housing 7, and an adsorption tube 6 is fixedly connected to the lower end surface of the housing 7.
When the injection needle is used, injection liquid is connected with the liquid guiding joint 1 through the electronic injector control boosting device and injected, a timing and quantitative injection effect can be achieved in clinical application, the injection liquid is guided into the injection needle 5 through the shell 7 along with the liquid guiding joint 1, the injection liquid is injected into the skin through the injection needle 5, the liquid guiding joint 1 is movably arranged inside the shell 7, the expansion and contraction inside the adsorption tube 6 of the injection needle 5 can be controlled by controlling the movement of the liquid guiding joint 1, the pollution to the injection needle 5 is avoided by contracting the injection needle 5 into the adsorption tube 6 when the injection needle is idle, the injection needle 5 can be used by driving the injection needle 5 to extend out through sliding the liquid guiding joint 1 during injection, the adjusting knob 3 is rotatably connected to the upper end face of the shell 7, the thread matching of the adjusting knob 3 and the outer end face of the liquid guiding joint 1 is realized, the movement of the liquid guiding joint 1 inside the shell 7 can be controlled by rotating the adjusting knob 3, the operation is convenient and fast, the injection needle 5 can adopt a needle tip part to open edges for two times, the skin puncture pain feeling is reduced, and meanwhile, the injection needle 5 can be set to be five needles, nine needles or more needles as required.
As shown in fig. 1, a negative pressure joint 4 is provided on the side end surface of the adsorption tube 6, a negative pressure device is provided on the end of the negative pressure joint 4 away from the adsorption tube 6, and a scale line and a direction-indicating arrow are provided on the surface of the adsorption tube 6.
During the use, can make syringe needle 5 remove and stretch out the inside of adsorption tube 6 through rotating adjust knob 3, can judge the length of stretching out of syringe needle 5 through the scale on adsorption tube 6 surface, the user of being convenient for masters the injection depth of syringe needle 5, and further the side intercommunication at adsorption tube 6 has negative pressure joint 4, negative pressure joint 4 intercommunication negative pressure device, negative pressure device can specifically use medical grade negative pressure tractor to provide pressure, produce the negative pressure through negative pressure device after contacting adsorption tube 6 and the injection person skin surface, make adsorption tube 6 adsorb with the injection person skin mutually, avoid the aversion of injection needle 5 in the injection process or drop influence injection effect.
As shown in fig. 1-3 and 10, the inner wall of the housing 7 is attached with a sealing rubber 8, a leakage cavity 35 is opened in the sealing rubber 8, and the needle seat 9 is movably arranged in the leakage cavity 35.
As shown in fig. 1-3 and 10, a leakage-proof gap 36 is provided between the needle holder 9 and the leakage cavity 35, and a backflow bulge 34 is provided at the contact joint of the sealing rubber 8 and the injection needle 5, and the backflow bulge 34 penetrates through the housing 7 and extends to the outer surface of the housing 7.
During the use, set up the inside at weeping chamber 35 with the needle file 9 activity through being equipped with, and be equipped with leak protection clearance 36 between weeping chamber 35 and the needle file 9, when making needle file 9 move about in weeping chamber 35, the inside pressure in weeping chamber 35 is in suitable value, and leak protection clearance 36 can be used to prevent that needle file 9 from producing the weeping and spilling over, when needle file 9 bottom produces the weeping, the inside to leak protection clearance 36 is filled to the weeping, leak protection clearance 36 is closed under the liquid tension effect, thereby prevent further weeping of liquid, be equipped with backward flow arch 34 and prevent the interior liquid backward flow of syringe needle 5, when effectively avoiding syringe needle 5 to produce the weeping through backward flow arch 34, spill over liquid along with syringe needle 5 backward flow to inside weeping chamber 35.
Example two
As shown in fig. 1-4, on the basis of the first embodiment, a connecting plate 12 is fixedly connected to an end of the fluid-conducting joint 1 disposed inside the housing 7, a backflow panel 11 is fixedly connected to a lower end surface of the connecting plate 12, and a quick release structure is disposed at an end of the fluid-conducting joint 1 away from the connecting plate 12.
As shown in fig. 1-6, the quick release structure includes a first connecting pipe 15, a liquid injection push plate 16, a second connecting pipe 17 and a movable sleeve 18, the second connecting pipe 17 is fixedly connected to the upper end surface of the liquid guiding joint 1, the lower portion of the movable sleeve 18 is slidably sleeved inside the second connecting pipe 17, the first connecting pipe 15 is slidably sleeved on the upper portion of the movable sleeve 18, and the liquid injection push plate 16 is embedded in the middle portion of the movable sleeve 18.
As shown in fig. 1 to 6, a fixing groove 14 is formed on an inner wall of the first connecting pipe 15, and a thimble 13 is fixedly connected to a middle portion of the liquid injection pushing plate 16.
When the liquid injection device is used, the first connecting pipe 15 can be made of elastic materials, a pipeline for liquid injection or an ampere bottle and the like can be fixed through the fixing groove 14, the ejector pin 13 is arranged, the ejector pin 13 can break the liquid level tension of the opening of the ampere bottle, and liquid medicine in the ampere bottle can quickly flow into the liquid guide connector 1.
As shown in fig. 1-7, the liquid injection push plate 16 includes a liquid injection push plate main body 19, a first liquid passing hole 20, a closing plate 21, a second liquid passing hole 22, a movable groove 23 and a spring 24, the liquid injection push plate main body 19 is embedded in the middle of the movable sleeve 18, the first liquid passing hole 20 is arranged in the middle of the liquid injection push plate main body 19, the movable groove 23 is arranged in the liquid injection push plate main body 19, the closing plate 21 is movably connected in the movable groove 23, the spring 24 is fixedly connected to the inner wall of the movable groove 23, one end of the spring 24 departing from the movable groove 23 is fixedly connected with the closing plate 21, the second liquid passing hole 22 is arranged in the closing plate 21, and the closing plate 21 is matched with the first liquid passing hole 20.
During the use, closing plate 21 passes through the inside of spring 24 elastic connection at activity groove 23, through pressing closing plate 21 when the liquid medicine is injected into, make spring 24 shrink, and then make first liquid hole 20 and the second of crossing be linked together, annotate liquid push pedal 16 through removing, cross the inside that liquid hole 22 flowed into drain joint 1 through first liquid hole 20 and the second with the liquid medicine, and drain joint 1 can open and adopt transparent material, be convenient for run through the liquid state of drain joint 1 inside, after the liquid medicine is injected into drain joint 1 inside, loosen closing plate 21, closing plate 21 pops out under spring 24's effect, and then seal first liquid hole 20 of crossing, annotate liquid push pedal 16 through pushing down, make drain joint 1 internal pressure increase, and then can make the liquid medicine flow into syringe needle 5 through drain joint 1 and inject, need not to annotate the liquid medicine and annotate the liquid after taking out in the ampere bottle, it is comparatively convenient to operate.
EXAMPLE III
As shown in fig. 1-4 and 8-9, on the basis of the first or second embodiment, a flow passing groove 25 is formed in the needle holder 9, a sliding groove 29 is formed in the inner wall of the flow passing groove 25, a first magnetic attraction plate 27 is slidably connected in the flow passing groove 25, a sliding block 26 matched with the sliding block 26 is arranged on the side end surface of the first magnetic attraction plate 27, a flow blocking block 30 is fixedly connected to the middle of the first magnetic attraction plate 27, and movable connecting rods 28 are fixedly connected to four corners of the upper end surface of the first magnetic attraction plate 27.
As shown in fig. 1-4 and 8-9, the reflow panel 11 is adapted to the surface of the first magnetic attraction plate 27, the reflow panel 11 is fixedly connected to the second magnetic attraction plate 31 attracting the first magnetic attraction plate 27, the surface of the reflow panel 11 is provided with a link slot 32 adapted to the movable link 28, the middle of the reflow panel 11 is provided with a choke slot 33 adapted to the choke block 30, and the choke slot 33 is communicated with the liquid outlet end of the liquid guiding joint 1.
When the needle guiding joint is used, the needle seat 9 is fixedly connected with the lower end face of the connecting plate 12, the first magnetic suction plate 27 is connected inside the overflowing groove 25 in a sliding mode through the sliding block 26 and the sliding groove 29, when liquid is injected into the liquid guiding joint 1, the second magnetic suction plate 31 is separated from the first magnetic suction plate 27 due to liquid pressure in the liquid guiding joint 1, the liquid outlet end of the liquid guiding joint 1 is communicated with the overflowing groove 25, the liquid flows out along with the overflowing groove 25 through the liquid guiding joint 1 and is injected into the inside of the injection needle 5, when liquid is not injected, the first magnetic suction plate 27 and the second magnetic suction plate 31 are mutually adsorbed under the magnetic force effect, the flowing blocking groove 33 is further matched with the flow blocking block 30, the liquid outlet end of the liquid guiding joint 1 is closed, liquid is effectively prevented from flowing back to further pollute liquid medicine in the liquid guiding joint 1 under the liquid non-injection state, meanwhile, the movable connecting rod 28 is arranged on the upper end face of the first magnetic suction plate 27 and is matched with the connecting rod groove 32, and when the second magnetic suction plate 31 and the first magnetic suction plate 27 are guaranteed to mutually adsorb the stability of the sealed liquid, and incomplete leakage of the liquid is avoided, and accordingly.
The working principle is as follows: the injection is injected through the liquid guiding joint 1, the injection is guided into the injection needle 5 through the shell 7 along with the liquid guiding joint 1 and is injected into the skin through the injection needle 5, the liquid guiding joint 1 is movably arranged inside the shell 7, the expansion and contraction inside the adsorption tube 6 of the injection needle 5 can be controlled by controlling the movement of the liquid guiding joint 1, the injection needle 5 is contracted into the adsorption tube 6 to avoid the pollution to the injection needle 5 when the injection device is idle, the injection needle 5 is driven to extend out for use by sliding the liquid guiding joint 1 when the injection device is used, the upper end surface of the shell 7 is rotatably connected with the adjusting knob 3, the adjustment knob 3 is matched with the thread on the outer end surface of the liquid guiding joint 1, the movement of the liquid guiding joint 1 inside the shell 7 can be controlled by rotating the adjusting knob 3, the operation is convenient and the injection needle 5 can move and extend out of the adsorption tube 6 by rotating the adjusting knob 3, the extending length of the injection needle 5 can be judged through the scale on the surface of the adsorption tube 6, so that a user can conveniently master the injection depth of the injection needle 5, the side end of the adsorption tube 6 is further communicated with the negative pressure joint 4, the negative pressure joint 4 is communicated with the negative pressure device, the negative pressure device can specifically use a medical-grade negative pressure tractor to provide pressure, the adsorption tube 6 is contacted with the skin surface of an injector to generate negative pressure through the negative pressure device, so that the adsorption tube 6 is adsorbed with the skin of the injector, the injection effect is prevented from being influenced by the displacement or falling off of the injection needle 5 in the injection process, meanwhile, the needle seat 9 is movably arranged in the leakage cavity 35, a leakage-proof gap 36 is arranged between the leakage cavity 35 and the needle seat 9, when the needle seat 9 moves in the leakage cavity 35, the pressure in the leakage cavity 35 is at a proper value, and the leakage-proof gap 36 can be used for preventing the needle seat 9 from generating leakage overflow, when leakage is generated at the bottom of the needle seat 9, the leakage is filled into the leakage-proof gap 36, the leakage-proof gap 36 is closed under the action of liquid tension, so that further leakage of liquid is prevented, the backflow protrusion 34 is arranged to prevent backflow of liquid in the injection needle 5, when the overflow of the injection needle 5 is effectively avoided through the backflow protrusion 34, the overflowing liquid flows back into the leakage cavity 35 along with the injection needle 5 to pollute the device, the first connecting pipe 15 can be made of elastic materials, a pipeline or an ampere bottle and the like for liquid injection are fixed through the fixed groove 14, the thimble 13 is arranged at the same time, the thimble 13 can break the liquid level tension of the opening of the ampere bottle, so that the liquid medicine in the ampere bottle can quickly flow into the liquid guide connector 1, the closing plate 21 is elastically connected with the inside of the movable groove 23 through the spring 24, and the spring 24 is contracted by pressing the closing plate 21 when the liquid medicine is injected, further, the first liquid passing hole 20 is communicated with the second liquid passing hole 22, the liquid medicine flows into the interior of the liquid guiding joint 1 through the first liquid passing hole 20 and the second liquid passing hole 22 by moving the liquid injection push plate 16, the liquid guiding joint 1 can be made of transparent materials so as to penetrate through the liquid state in the interior of the liquid guiding joint 1, after the liquid medicine is injected into the interior of the liquid guiding joint 1, the closing plate 21 is loosened, the closing plate 21 is popped out under the action of the spring 24, the first liquid passing hole 20 is further closed, the internal pressure of the liquid guiding joint 1 is increased by pressing the liquid injection push plate 16, the liquid medicine can flow into the injection needle 5 through the liquid guiding joint 1 for injection, the liquid injection is performed after the liquid medicine is not required to be drawn out from an ampere bottle, the operation is convenient and fast, the needle seat 9 is fixedly connected with the lower end face of the connecting plate 12, the first magnetic suction plate 27 is slidably connected in the flow passing groove 25 through the sliding block 26 and the sliding groove 29, when liquid is injected into the liquid guide joint 1, the second magnetic attraction plate 31 is separated from the first magnetic attraction plate 27 due to the liquid pressure in the liquid guide joint 1, so that the liquid outlet end of the liquid guide joint 1 is communicated with the overflowing groove 25, the liquid flows out through the liquid guide joint 1 and is injected into the injection needle 5 along with the overflowing groove 25, when the liquid is not injected, the first magnetic attraction plate 27 and the second magnetic attraction plate 31 are mutually adsorbed under the magnetic force action, and further the flow blocking groove 33 is matched with the flow blocking block 30, so that the liquid outlet end of the liquid guide joint 1 is closed, the liquid is effectively prevented from flowing back to further pollute the liquid medicine in the liquid guide joint 1 under the non-injection state, meanwhile, the movable connecting rod 28 is arranged on the upper end face of the first magnetic attraction plate 27 and is matched with the connecting rod groove 32, the stability of assembly is ensured when the second magnetic attraction plate 31 and the first magnetic attraction plate 27 are mutually adsorbed, the liquid blocking groove 33 is prevented from being incompletely sealed, and liquid leakage is effectively prevented from being generated, and the liquid medicine in the liquid guide joint 1 is effectively polluted due to backflow in the device.
Claims (9)
1. A single use sterile injection needle comprising a housing, characterized in that: the up end of casing rotates and is connected with adjust knob, adjust knob drive control has the drain to connect, the drain connects the activity to set up in the inside of casing, the drain connects output intercommunication has the needle file, the needle file deviates from the one end that the drain connects and is linked together with the syringe needle, just the needle file activity sets up the inside at the casing, adjust knob is used for controlling the reciprocating motion of drain joint in the casing is inside, the lower terminal surface fixedly connected with adsorption tube of casing.
2. A single use sterile injection needle according to claim 1 wherein: the upper end face of the adjusting knob is rotatably connected with an upper cover plate, the middle of the side end face of the liquid guide joint is embedded with an external thread, and the middle of the adjusting knob is provided with an internal thread matched with the external thread.
3. A single use sterile injection needle according to claim 2 wherein: the side end face of the adsorption tube is provided with a negative pressure joint in a penetrating mode, one end, deviating from the adsorption tube, of the negative pressure joint is communicated with a negative pressure device, and scale marks and direction indication arrows are arranged on the surface of the adsorption tube.
4. A single use sterile injection needle according to claim 2 wherein: the inner wall of the shell is attached with sealing rubber, a liquid leakage cavity is formed in the sealing rubber, and the needle base is movably arranged in the liquid leakage cavity.
5. A single use sterile injection needle according to claim 4 wherein: be equipped with the leak protection clearance between needle file and the weeping chamber, just sealing rubber is equipped with the backward flow arch with syringe needle contact laminating department, the backward flow arch runs through the casing and extends to the surface of casing.
6. A single use sterile injection needle according to claim 2 wherein: the quick-release type drainage connector is characterized in that a connecting plate is fixedly connected to one end, arranged in the shell, of the drainage connector, a backflow panel is fixedly connected to the lower end face of the connecting plate, and a quick-release structure is arranged at one end, deviating from the connecting plate, of the drainage connector.
7. A single use sterile injection needle according to claim 6 wherein: the quick detach structure includes first connecting pipe, notes liquid push pedal, second connecting pipe and movable sleeve, second connecting pipe fixed connection is at the up end that the drain connects, the movable sleeve lower part slides and cup joints the inside at the second connecting pipe, first connecting pipe slides and cup joints on movable sleeve's upper portion, it inlays at movable sleeve's middle part to annotate the liquid push pedal.
8. A single use sterile injection needle according to claim 7 wherein: the inner wall of the first connecting pipe is provided with a fixing groove, and the middle part of the liquid injection push plate is fixedly connected with a thimble.
9. A single use sterile injection needle according to claim 8 wherein: annotate the liquid push pedal including annotating liquid push pedal main part, first liquid hole, closing plate, the second of crossing liquid hole, activity groove and spring, annotate liquid push pedal main part and inlay and establish at the middle part of movable sleeve, first liquid hole of crossing is seted up at the middle part of annotating liquid push pedal main part, the inside at notes liquid push pedal main part is seted up in the activity groove, closing plate swing joint is inside at the activity inslot, spring fixed connection is at the activity inslot wall, just the spring deviates from the one end in activity groove and links to each other with the closing plate is fixed, the second is crossed the liquid hole and is seted up in the inside of closing plate, the closing plate crosses liquid hole looks adaptation with first.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110847834.6A CN115245609B (en) | 2021-07-27 | 2021-07-27 | Disposable sterile injection needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110847834.6A CN115245609B (en) | 2021-07-27 | 2021-07-27 | Disposable sterile injection needle |
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| CN115245609A true CN115245609A (en) | 2022-10-28 |
| CN115245609B CN115245609B (en) | 2023-09-08 |
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| US20090149830A1 (en) * | 2007-12-07 | 2009-06-11 | Donald Spector | Intelligent needle technology for acupuncture and injection of cosmetic preparations subcutaneously |
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| CN115245609B (en) | 2023-09-08 |
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