CN114041858A - Disposable puncture needle - Google Patents
Disposable puncture needle Download PDFInfo
- Publication number
- CN114041858A CN114041858A CN202111487804.5A CN202111487804A CN114041858A CN 114041858 A CN114041858 A CN 114041858A CN 202111487804 A CN202111487804 A CN 202111487804A CN 114041858 A CN114041858 A CN 114041858A
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- Prior art keywords
- needle
- fixedly connected
- sleeve
- puncture needle
- seat
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- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 40
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 206010066054 Dysmorphism Diseases 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 9
- 206010011409 Cross infection Diseases 0.000 abstract description 4
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 4
- 230000001580 bacterial effect Effects 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000035515 penetration Effects 0.000 description 6
- 210000001519 tissue Anatomy 0.000 description 6
- 238000005304 joining Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000001550 testis Anatomy 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0023—Surgical instruments, devices or methods, e.g. tourniquets disposable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a disposable puncture needle which comprises an inserting sleeve, wherein one end of the inserting sleeve is fixedly connected with a sleeve seat, a needle seat fixing groove is formed in the inner side of the sleeve seat, movable assemblies are movably connected to two sides of the sleeve seat, a connecting block is fixedly connected to one side of each movable assembly, and a first movable shaft is movably connected to the inner side of each connecting block. According to the disposable puncture needle, the puncture cannula assembly is additionally arranged, so that the puncture needle can be conveniently punctured once when a patient injects medicines for multiple times or samples tissues, the pain of the patient in puncturing for multiple times is greatly reduced, the puncture needle after injection or sampling operation is replaced by additionally arranging the detachable puncture needle assembly, the bacterial cross infection caused by reentry is avoided, the connection and fixation of the puncture needle by an injector can be facilitated by additionally arranging the connection assembly, and the puncture needle can be quickly taken out after the operation is finished.
Description
Technical Field
The invention relates to the field of puncture needles, in particular to a disposable puncture needle.
Background
The disposable puncture needle is a puncture needle for the disposable use of patients, the puncture needle is a medical apparatus for sampling and injecting tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface and the like in minimally invasive surgery, and along with the continuous development of science and technology, the manufacturing process requirements of people on the disposable puncture needle are higher and higher.
In the prior art, patent publication No. CN202022689779.6 discloses a disposable puncture needle, comprising: the puncture needle comprises a puncture needle sleeve and a puncture needle core, wherein the puncture needle core is arranged in the puncture needle sleeve, cavities are arranged in the puncture needle sleeve and the puncture needle core, a plurality of bulges are distributed in the cavities, the top end of the puncture needle core is connected with a puncture needle core seat, a sleeve is arranged below the puncture needle core seat, the outer wall of the sleeve is provided with an anti-slip layer, a mirror pin is arranged on the anti-slip layer, a puncture needle head is arranged below the puncture needle core and is contacted with the puncture needle sleeve, an adsorption cover is arranged on the puncture needle sleeve, and fixing plates are arranged on two sides of the adsorption cover, firstly, when the existing puncture needle is used for injection or tissue sampling, repeated and repeated operations need to puncture the puncture needle for a plurality of times, great pain is caused to the patient, the use of people is not facilitated, and the existing puncture needle cannot be replaced and sterilized when the existing puncture needle is used for a plurality of times, infectious bacteria are easily brought into the body of the patient, and meanwhile, the puncture needle which is not convenient to disassemble and use when being connected with an injector, brings certain adverse effect to the use process of people, and for this reason, a disposable puncture needle is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a disposable puncture needle, which is convenient to puncture and prick only once when medicines are injected for a plurality of times or tissues are sampled for a patient by adding a puncture cannula assembly, is temporarily attached to the skin and fixed according to the puncture position, is convenient to use the puncture needle without pricking into the body of the patient again, greatly reduces the pain of the patient caused by pricking for a plurality of times, can replace the puncture needle subjected to injection or sampling operation by adding a detachable puncture needle assembly, avoids bacterial cross infection caused when the puncture needle enters again, is convenient to connect and fix the puncture needle by an injector by adding a connecting assembly, can quickly take out the puncture needle after the operation is finished, and can effectively solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a disposable puncture needle, includes the interlude sleeve pipe, the sheathed tube one end fixedly connected with casing seat of interlude, the needle file fixed slot has been seted up to the inboard of casing seat, the both sides swing joint of casing seat has movable assembly, one side fixedly connected with of movable assembly links up the piece, the inboard swing joint who links up the piece has a loose axle.
Preferably, the outside swing joint of a loose axle has the connecting rod, the one end swing joint of connecting rod has No. two loose axles, the inboard swing joint of No. two loose axles has flexible glutinous paster, the contact pin needle file is worn to the inboard fixedly connected with of needle file fixed slot.
Preferably, the lower end of the penetrating needle base is provided with a fixed thread, the inside of the penetrating needle base is fixedly connected with a penetrating needle, both sides of the penetrating needle base are provided with wedge block clamping grooves, and the inner side of the penetrating needle base is provided with a special-shaped fixed slot.
Preferably, the upper end of the special-shaped fixed slot is detachably connected with a detachable socket, the inner side of the detachable socket is provided with an injection tube socket, and the outer side of the detachable socket is fixedly connected with an anti-skidding ring.
Preferably, the anti-skidding grooves are formed in two sides of the anti-skidding ring, the bottom end of the detachable socket is fixedly connected with a fixing block, and wedge-shaped clamping blocks are fixedly connected to two sides of the fixing block.
Preferably, the inserting sleeve, the sleeve seat and the needle seat fixing groove are integrally formed in a casting mode, and two sides of the sleeve seat are movably connected with one end of the flexible adhesive sheet through a movable assembly, a connecting block and a connecting rod.
Preferably, the inserting needle seat and the fixed thread, the wedge block clamping groove and the special-shaped fixed slot are integrally formed in an injection molding mode, an installation cavity is formed between the inserting needle and the inserting needle seat, and the upper end of the inserting needle is fixedly connected with the inner portion of the inserting needle seat through the installation cavity.
Preferably, the detachable socket, the injection tube socket, the anti-slip ring, the anti-slip groove, the wedge-shaped fixture block and the fixing block are integrally formed in an injection molding mode.
(III) advantageous effects
Compared with the prior art, the invention provides a disposable puncture needle, which has the following beneficial effects: the disposable puncture needle is convenient for only one-time puncture needle insertion when medicine or tissue sampling is carried out on a patient for a plurality of times by adding the puncture sleeve component, temporary skin attachment and fixation are carried out according to the puncture position, the puncture needle is convenient to be inserted into the patient for use again without being inserted, the pain of the patient for the plurality of times of needle insertion is greatly reduced, the puncture needle for injection or sampling operation can be replaced by adding the detachable puncture needle component, bacterial cross infection caused when the puncture needle enters again is avoided, the connection and fixation of the puncture needle by an injector can be facilitated by adding the connecting component, the puncture needle can be taken out quickly after the operation is finished, all components in the puncture sleeve component are connected, the connecting block can be rotated by three hundred sixty degrees by the movable component, the flexible adhesive patch is flexibly connected by the connecting rod at one end of the connecting block, the insertion sleeve can be temporarily retained in the patient during the puncture operation, carry out angle modulation according to the movable subassembly of puncture position regulation casing seat both sides, paste the close skin of flexible sticker piece lower extreme according to fixed position and prevent the subassembly skew, the puncture is accomplished the back and is outwards taken out the inside needle that alternates of needle file through the rotating, take out the change with the interlude sleeve pipe, will make used needle that alternates of needle file both sides through breaking off the fixture block that alternates needle file both sides and change and carry out the reinjection or sample once more, the fixed needle that alternates of syringe front end coupling assembling once more injects or organizes the sample through the inside reentrant disease of interlude cover is internal once more, the many times of the needle of disease has effectively been reduced, it is internal to take out the puncture casing subassembly again after accomplishing the puncture operation from the patient, whole disposable puncture needle simple structure, and convenient operation, the effect of using is better for traditional mode.
Drawings
Fig. 1 is a schematic view showing the overall structure of a disposable lancet according to the present invention.
Fig. 2 is a schematic structural view of the cross section of a disposable puncture needle according to the present invention.
Fig. 3 is a schematic view of the puncture cannula assembly of a single use lancet of the present invention.
Fig. 4 is an enlarged view of a portion a of fig. 3 of the disposable lancet of the present invention.
Fig. 5 is a schematic structural view of the insertion needle of the disposable puncture needle according to the present invention.
Fig. 6 is a schematic view of a removable lancet assembly of a single use lancet.
Fig. 7 is a schematic view of the structure of the connection assembly in a single use lancet of the present invention.
In the figure: 1. inserting a sleeve; 2. a flexible adhesive sheet; 3. inserting needle seats; 4. a syringe socket; 5. a detachable socket; 6. a movable component; 7. a connecting rod; 8. a cannula holder; 9. a joining block; 10. inserting a pin; 11. a needle seat fixing groove; 12. a first movable shaft; 13. a second movable shaft; 14. fixing threads; 15. an anti-slip ring; 16. a wedge block clamping groove; 17. a special-shaped fixed slot; 18. an anti-slip groove; 19. a wedge-shaped fixture block; 20. and (5) fixing blocks.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. 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. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1-4, a disposable puncture needle comprises a penetration sleeve 1, a sleeve seat 8 fixedly connected with one end of the penetration sleeve 1, a needle seat fixing groove 11 arranged on the inner side of the sleeve seat 8, a movable component 6 movably connected with the two sides of the sleeve seat 8, a joining block 9 fixedly connected with one side of the movable component 6, and a first movable shaft 12 movably connected with the inner side of the joining block 9.
The outer side of the first movable shaft 12 is movably connected with a connecting rod 7, one end of the connecting rod 7 is movably connected with a second movable shaft 13, the inner side of the second movable shaft 13 is movably connected with a flexible adhesive sheet 2, and the inner side of the needle seat fixing groove 11 is fixedly connected with a penetrating needle seat 3.
The lower end of the penetrating pin needle base 3 is provided with a fixed thread 14, the inside of the penetrating pin needle base 3 is fixedly connected with a penetrating pin 10, both sides of the penetrating pin needle base 3 are provided with wedge block clamping grooves 16, and the inner side of the penetrating pin needle base 3 is provided with a special-shaped fixed slot 17.
The upper end of the special-shaped fixed slot 17 is detachably connected with a detachable socket 5, the inner side of the detachable socket 5 is provided with an injection tube socket 4, and the outer side of the detachable socket 5 is fixedly connected with an anti-skidding ring 15.
The anti-skidding ring 15 is provided with anti-skidding grooves 18 on two sides, the bottom end of the detachable socket 5 is fixedly connected with a fixed block 20, and wedge-shaped blocks 19 are fixedly connected on two sides of the fixed block 20.
Insert through the mode integrated into one piece of casting between sleeve pipe 1 and sleeve pipe seat 8, the needle file fixed slot 11, the one end swing joint of movable assembly 6, linking piece 9, connecting rod 7 and flexible sticker piece 2 is passed through to the both sides of sleeve pipe seat 8.
Example two:
as shown in fig. 1, 2, 5 and 6, the disposable puncture needle comprises a penetration sleeve 1, a sleeve seat 8 fixedly connected with one end of the penetration sleeve 1, a needle seat fixing groove 11 arranged on the inner side of the sleeve seat 8, movable components 6 movably connected with the two sides of the sleeve seat 8, a joining block 9 fixedly connected with one side of each movable component 6, and a movable shaft 12 movably connected with the inner side of the joining block 9.
The outer side of the first movable shaft 12 is movably connected with a connecting rod 7, one end of the connecting rod 7 is movably connected with a second movable shaft 13, the inner side of the second movable shaft 13 is movably connected with a flexible adhesive sheet 2, and the inner side of the needle seat fixing groove 11 is fixedly connected with a penetrating needle seat 3.
The lower end of the penetrating pin needle base 3 is provided with a fixed thread 14, the inside of the penetrating pin needle base 3 is fixedly connected with a penetrating pin 10, both sides of the penetrating pin needle base 3 are provided with wedge block clamping grooves 16, and the inner side of the penetrating pin needle base 3 is provided with a special-shaped fixed slot 17.
The upper end of the special-shaped fixed slot 17 is detachably connected with a detachable socket 5, the inner side of the detachable socket 5 is provided with an injection tube socket 4, and the outer side of the detachable socket 5 is fixedly connected with an anti-skidding ring 15.
The anti-skidding ring 15 is provided with anti-skidding grooves 18 on two sides, the bottom end of the detachable socket 5 is fixedly connected with a fixed block 20, and wedge-shaped blocks 19 are fixedly connected on two sides of the fixed block 20.
The penetrating needle base 3 is integrally formed with the fixed thread 14, the wedge block clamping groove 16 and the special-shaped fixed slot 17 in an injection molding mode, an installation cavity is formed between the penetrating needle 10 and the penetrating needle base 3, and the upper end of the penetrating needle 10 is fixedly connected with the inner portion of the penetrating needle base 3 through the installation cavity.
Example three:
as shown in fig. 1, 2 and 7, the disposable puncture needle comprises a penetration sleeve 1, a sleeve seat 8 is fixedly connected with one end of the penetration sleeve 1, a needle seat fixing groove 11 is formed in the inner side of the sleeve seat 8, movable components 6 are movably connected with two sides of the sleeve seat 8, a connecting block 9 is fixedly connected with one side of each movable component 6, and a movable shaft 12 is movably connected with the inner side of the connecting block 9.
The outer side of the first movable shaft 12 is movably connected with a connecting rod 7, one end of the connecting rod 7 is movably connected with a second movable shaft 13, the inner side of the second movable shaft 13 is movably connected with a flexible adhesive sheet 2, and the inner side of the needle seat fixing groove 11 is fixedly connected with a penetrating needle seat 3.
The lower end of the penetrating pin needle base 3 is provided with a fixed thread 14, the inside of the penetrating pin needle base 3 is fixedly connected with a penetrating pin 10, both sides of the penetrating pin needle base 3 are provided with wedge block clamping grooves 16, and the inner side of the penetrating pin needle base 3 is provided with a special-shaped fixed slot 17.
The upper end of the special-shaped fixed slot 17 is detachably connected with a detachable socket 5, the inner side of the detachable socket 5 is provided with an injection tube socket 4, and the outer side of the detachable socket 5 is fixedly connected with an anti-skidding ring 15.
The anti-skidding ring 15 is provided with anti-skidding grooves 18 on two sides, the bottom end of the detachable socket 5 is fixedly connected with a fixed block 20, and wedge-shaped blocks 19 are fixedly connected on two sides of the fixed block 20.
The detachable socket 5, the injection tube socket 4, the anti-skid ring 15, the anti-skid groove 18, the wedge-shaped fixture block 19 and the fixing block 20 are integrally formed in an injection molding mode.
The working principle is as follows: the invention comprises an inserting sleeve 1, a flexible adhesive patch 2, an inserting needle seat 3, an injection tube socket 4, a detachable socket 5, a movable assembly 6, a connecting rod 7, a sleeve seat 8, a connecting block 9, an inserting needle 10, a needle seat fixing groove 11, a first movable shaft 12, a second movable shaft 13, a fixing thread 14, an anti-skidding ring 15, a wedge block clamping groove 16, a special-shaped fixing slot 17, an anti-skidding groove 18, a wedge-shaped clamping block 19 and a fixing block 20, and the invention relates to a disposable puncture needle, which can connect all the components in the puncture sleeve assembly before use, can rotate the connecting block 9 by three hundred sixty degrees through the movable assembly 6, flexibly connect the flexible adhesive patch 2 through the connecting rod 7 at one end of the connecting block 9, temporarily retain the inserting sleeve 1 in a patient body during puncture operation, adjust the angle of the movable assembly 6 at two sides of the sleeve seat 8 according to the puncture position, the lower end of the flexible adhesive patch 2 is adhered to skin to prevent the assembly from deviating according to a fixed position, the inner penetrating needle 10 is outwards pulled out by rotating the penetrating needle seat 3 after the puncture is finished, the penetrating sleeve 1 is taken out and replaced, the used penetrating needle 10 is replaced by opening the clamping blocks on the two sides of the penetrating needle seat 3 for secondary injection or sampling, the penetrating needle 10 fixed by the connecting assembly at the front end of the injector enters the body of the patient again through the inner part of the penetrating sleeve 1 for injection or tissue sampling, the multiple times of puncturing of the patient are effectively reduced, the penetrating sleeve assembly is pulled out of the body of the patient after the puncture operation is finished, the penetrating sleeve assembly is added, the puncturing is only carried out once when the patient injects medicines or samples tissues for multiple times, the temporary skin adhesion is carried out according to the puncture position, and the puncturing needle 10 is conveniently prevented from being punctured into the body of the patient again for use, reduce patient's many times and prick the needle painful by a wide margin, can dismantle pjncture needle subassembly through the increase, can change the pjncture needle 10 that carries out injection or sampling operation and accomplish, cause bacterium cross infection when avoiding entering once more, through increasing coupling assembling, can make things convenient for the syringe to be fixed to the connection of puncture needle 10, can take out pjncture needle 10 after the operation is accomplished fast, whole easy operation is swift, comparatively practical.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. A single-use puncture needle comprising an insertion cannula (1), characterized in that: the one end fixedly connected with sleeve pipe seat (8) of interlude sleeve pipe (1), needle file fixed slot (11) have been seted up to the inboard of sleeve pipe seat (8), the both sides swing joint of sleeve pipe seat (8) has movable subassembly (6), one side fixedly connected with of movable subassembly (6) links up piece (9), the inboard swing joint that links up piece (9) has loose axle (12) No. one.
2. A single use lancet as recited in claim 1, wherein: the outer side swing joint of a loose axle (12) has connecting rod (7), the one end swing joint of connecting rod (7) has No. two loose axles (13), the inboard swing joint of No. two loose axles (13) has flexible glutinous piece (2), contact pin needle file (3) are worn to the inboard fixedly connected with of needle file fixed slot (11).
3. A single use lancet as recited in claim 2, wherein: the lower end of the inserting needle base (3) is provided with a fixed thread (14), an inserting needle (10) is fixedly connected to the inner part of the inserting needle base (3), wedge block clamping grooves (16) are formed in the two sides of the inserting needle base (3), and special-shaped fixing slots (17) are formed in the inner side of the inserting needle base (3).
4. A single use lancet according to claim 3, wherein: the upper end of the special-shaped fixed slot (17) is detachably connected with a detachable socket (5), the inner side of the detachable socket (5) is provided with an injection tube socket (4), and the outer side of the detachable socket (5) is fixedly connected with an anti-slip ring (15).
5. A single use lancet according to claim 4, wherein: anti-skidding grooves (18) are formed in two sides of the anti-skidding ring (15), the bottom end of the detachable socket (5) is fixedly connected with a fixing block (20), and wedge-shaped clamping blocks (19) are fixedly connected to two sides of the fixing block (20).
6. A single use lancet as recited in claim 1, wherein: the inserting sleeve is characterized in that the inserting sleeve (1) is integrally formed with the sleeve seat (8) and the needle seat fixing groove (11) through casting, and the two sides of the sleeve seat (8) are movably connected with one end of the flexible adhesive sheet (2) through the movable assembly (6), the connecting block (9) and the connecting rod (7).
7. A single use lancet according to claim 3, wherein: penetrate through the mode integrated into one piece of moulding plastics between needle file (3) and fixed thread (14), voussoir draw-in groove (16), dysmorphism fixed slot (17), penetrate and be provided with the installation cavity between needle file (10) and the needle file (3) of penetrating, the inside fixed connection of installation cavity and penetrating needle file (3) is passed through to the upper end of penetrating needle (10).
8. A single use lancet according to claim 5, wherein: the detachable socket (5), the injection tube socket (4), the anti-skidding ring (15), the anti-skidding groove (18), the wedge-shaped fixture block (19) and the fixture block (20) are integrally formed in an injection molding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111487804.5A CN114041858B (en) | 2021-12-07 | 2021-12-07 | Disposable puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111487804.5A CN114041858B (en) | 2021-12-07 | 2021-12-07 | Disposable puncture needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114041858A true CN114041858A (en) | 2022-02-15 |
| CN114041858B CN114041858B (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111487804.5A Active CN114041858B (en) | 2021-12-07 | 2021-12-07 | Disposable puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114041858B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210990630U (en) * | 2019-10-23 | 2020-07-14 | 孙小青 | Self-fixing type weak piercing anesthesia puncture needle |
| CN212369052U (en) * | 2020-03-19 | 2021-01-19 | 昆明市儿童医院 | Deep vein puncture device |
| CN113069191A (en) * | 2021-03-30 | 2021-07-06 | 南方医科大学珠江医院 | Puncture cannula for tension pneumothorax clinical first aid |
| CN214017745U (en) * | 2020-09-29 | 2021-08-24 | 海生医疗科技(宁波)有限公司 | Blood vessel puncture sheath |
-
2021
- 2021-12-07 CN CN202111487804.5A patent/CN114041858B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210990630U (en) * | 2019-10-23 | 2020-07-14 | 孙小青 | Self-fixing type weak piercing anesthesia puncture needle |
| CN212369052U (en) * | 2020-03-19 | 2021-01-19 | 昆明市儿童医院 | Deep vein puncture device |
| CN214017745U (en) * | 2020-09-29 | 2021-08-24 | 海生医疗科技(宁波)有限公司 | Blood vessel puncture sheath |
| CN113069191A (en) * | 2021-03-30 | 2021-07-06 | 南方医科大学珠江医院 | Puncture cannula for tension pneumothorax clinical first aid |
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| Publication number | Publication date |
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| CN114041858B (en) | 2023-12-12 |
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