CN205073437U - Device of control piercing depth and latent needle - Google Patents

Device of control piercing depth and latent needle Download PDF

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Publication number
CN205073437U
CN205073437U CN201520852790.6U CN201520852790U CN205073437U CN 205073437 U CN205073437 U CN 205073437U CN 201520852790 U CN201520852790 U CN 201520852790U CN 205073437 U CN205073437 U CN 205073437U
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China
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shell
inner sleeve
injection
wall
inwall
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Expired - Fee Related
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CN201520852790.6U
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Chinese (zh)
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项文
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Huaian Yi Jie Technology Co Ltd
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Individual
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Abstract

The utility model discloses a device of control piercing depth and latent needle, including the shell and can hold the inner skleeve of joint instrument used for injection, the inner skleeve is positioned in the shell and can follows axial motion and rotation in a circumferential direction, be equipped with the corresponding complex axial stroke limit structure of a plurality of respectively at shell inner wall and inner skleeve outer wall, shell and inner skleeve all have the opening of distal end and the through -hole of near -end, are equipped with the spring between shell and the inner skleeve, and its both ends are supported respectively and are located shell near -end inner wall and inner skleeve near -end outer wall, promote the separation of shell and inner skleeve near -end, make the inner skleeve keep at initial axial position for the shell, shell and inner skleeve outer peripheral face set up the length sign piece and directional sign piece of corresponding instrument used for injection syringe needle respectively. The utility model discloses simplified the technical difficulty of liquid medicine injection operation, the inserting needle degree of depth is accurate, guarantees the best effect of liquid medicine injection, simultaneously latent needle structure reduces unexpected needled danger, lightens operator's anxiety, the feared state of mind, has satisfied different crowds and has optimized the demand of injection from dosing.

Description

A kind of device controlling paracentesis depth and hidden pin
Technical field
This utility model relates to medical apparatus field, is specifically related to a kind of device controlling paracentesis depth and hidden pin, is applicable to the drug injection of self administration of medication, such as injection of insulin.
Background technology
A kind of method of regular employing when drug administration by injection is Modern medical therapy, generally unsuitable oral at medicine, or use when needing fast speed to realize effect of drugs according to the state of an illness, comprising the multiple injecting method such as subcutaneous injection, intramuscular injection.Subcutaneous injection, intramuscular injection need at specific injection location, and depth of needle has different requirement respectively.
As treated for the injection of insulin controlling blood glucose, injection of insulin belongs to subcutaneous injection, and preferred injection site comprises the restriction position of abdominal part, large leg outer side, upper arm and buttocks.Injection of insulin is in subcutaneous layer of fat, and be just conducive to slowly absorbing in blood, play preferably therapeutic effect, best preferred version is: rapid vertical inserting needle goes out pin, and depth of needle is about 4mm.If inserting needle is shallow, injection of insulin, less than subcutaneous, does not reach having a big risk of therapeutic effect; If inserting needle is dark, arrive muscle, muscle medium vessels enriches, and insulin can be rapidly absorbed, or has and cause hypoglycemia probability, and insulinize effect reaches not set object.But commercially availablely at present can to differ with the needle length of instrument used for injection adaptation, comprise the plurality of specifications syringe needle of 4-13mm length, these syringe needles are not provided for the best 4mm penetration depth being injected to subcutaneous space, therefore injection technique is had higher requirements, operator need, through training, be generally by doctor or nurse's hand syringes tool both hands compounding practice: pinch skin on the other hand, another holds insulin syringe, syringe needle is thrust injection site fast with 45° angle degree, then injection liquid.
At present, because the injection of this type of disease is frequent, inject demand more and more general by amateur healthcare givers at non-medical place self administration of medication, that brings thus is as a lot of in injected dose error, dark thorn, by mistake thorn, broken needle equivalent risk.Simultaneously due to outside injection needle is exposed to, patient can directly perceived, clearly see, produces anxiety, frightened psychology, is inconvenient to use.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of device controlling paracentesis depth and hidden pin, the various length needle that can coordinate commercially available multiple instrument used for injection and coordinate with instrument used for injection, one-handed performance rapid vertical inserting needle goes out pin, carry out optimal injection degree of depth hemostasis, adapt to different crowd and inject in the optimization of different parts self administration of medication; Hide exposed syringe needle simultaneously, eliminate the fear of self administration of medication injection people, easy to use.
This utility model is achieved through the following technical solutions:
Control a device for paracentesis depth and hidden pin, comprise shell and can hold the inner sleeve engaging instrument used for injection, inner sleeve is positioned also can move vertically and rotate in a circumferential direction in shell; Wall and inner sleeve outer wall are respectively equipped with the axial stroke position limiting structure of several corresponding matching in the enclosure; Shell and inner sleeve all have the opening of far-end and the through hole of near-end, spring is provided with between shell and inner sleeve, its two ends, respectively to being located at shell near-end inwall and inner sleeve near-end outer wall, promoting shell and being separated with inner sleeve near-end, making inner sleeve remain on initial axial location relative to shell; Shell and inner sleeve outer peripheral face arrange length mark part and the directional bea con part of corresponding instrument used for injection syringe needle respectively.
The further improvement project of this utility model is, the axial stroke position limiting structure set by described inner sleeve outer wall is the flange circumferentially in step-like distribution, and the axial stroke position limiting structure that outer casing inner wall is corresponding is the raised line extended vertically.Raised line top is against the flange of differing heights, and to limit the inner sleeve axially descending degree of depth, realizing different length syringe needle, to give prominence to the outer length of through hole of shell near-end identical, realizes injection depth the best and preferably set.
The another kind of improvement project of this utility model is that the axial stroke position limiting structure set by described inner sleeve outer wall is the elasticity raised line arranged vertically, the axial stroke position limiting structure that outer casing inner wall is corresponding be on perisporium interval lay extend vertically in step-like groove.
This utility model further improvement project is, the sheathed case lid in described inner sleeve periphery, its internal diameter is greater than inner sleeve body outer diameter and is less than the annulus external diameter that the axial stroke position limiting structure in the middle part of inner sleeve surrounds, case lid and shell group solid, inner sleeve is positioned in shell.Case lid makes inner sleeve, shell is combined into stable entirety, is suitable for operation.
This utility model further improvement project is, described outer casing inner wall establishes some axially directed grooves or guide rail, at least one elastic construction of radial deformation is provided with in the middle part of described inner sleeve, elastic construction is the shell fragment that three or two sides and inner sleeve main body cut off, shell fragment is provided with projection or groove, and projection and gathering sill or guide rail engage with groove and guide inner sleeve to do axially-movable, and inner sleeve rotates in a circumferential direction, projection, under shell fragment effect, dodges the convex surface forming gathering sill.Projection coordinates gathering sill to guide inner sleeve to do axially-movable relative to shell, and elastic construction is because having certain radial deformation simultaneously, when inner sleeve rotates in a circumferential direction, also can dodge the convex surface forming gathering sill, rational in infrastructure.
This utility model further improvement project is, described inner sleeve far-end is set with an outer sleeve, and outer sleeve inwall is provided with the inner surface engaged with instrument used for injection outer wall.Because the instrument used for injection external diameter that can hold joint in inner sleeve is diversified in specifications, therefore the inner sleeve of same diameter can only coordinate a kind of instrument used for injection, inner sleeve structure complexity is lived, manufacturing cost is high, in order to improve its versatility, inner sleeve internal diameter can not be changed, inner sleeve far-end suit one from the outer sleeve of different instrument used for injection adaptation.
This utility model further improvement project is, be set with a spring cylinder in described inner sleeve or outer sleeve, spring cylinder hypomere reduced diameter, this section of perisporium is offered at least one axial gap, spring cylinder is radially out of shape, and spring cylinder inwall is provided with the inner surface engaged with syringe inwall.Inner sleeve or outer sleeve internal diameter are still limited to a certain extent, install a spring cylinder in inner sleeve or outer sleeve additional, make this device of same specification, join the external diameter specification of suitable instrument used for injection more in wide region.
This utility model further improvement project is, the through hole periphery of described shell near-end is provided with annular boss, and raised head face caves in.During injection, plush copper end face first contacts and is absorbed in target site, makes acupuncture treatment and push medicinal liquid more stable.
This utility model further improvement project is, described boss adopts elastomeric material to make.Contact target position makes people feel comfortable.
This utility model further improvement project is, described inner sleeve outer wall is provided with the graduation mark of projection or depression.After rotational shell makes the directional bea con part on inner sleeve corresponding with syringe needle length mark part on shell, whether consistent pressing inner sleeve, observe inner sleeve depth graduation mark, whether is qualifiedly convenient to detect the production of this device, observes simultaneously and calculate movement travel distance.
The using method of this device:
Step (1), selects any one described in right 1-9 to control device, the instrument used for injection of paracentesis depth and hidden pin, according to the needle length coordinated with instrument used for injection, rotates this crust of the device and make directional bea con part corresponding with syringe needle length mark part;
Step (2), lays the instrument used for injection of ready work and joins in inner sleeve, makes this device be held in instrument used for injection front portion, and instrument used for injection front end syringe needle is hidden in shell;
Step (3), grip instrument used for injection to selected target position vertical direction toward impact, first this crust of the device near-end contacts and parks in target site surface, instrument used for injection continues to promote inner sleeve by the proximally axially-movable of initial axial location, the through hole of the limited outstanding shell near-end of syringe needle, penetrates and remains on target site;
Step (4), further operating syringe tool completes medicinal liquid and pushes;
Step (5), vertically extracts instrument used for injection together with syringe needle, and inner sleeve returns back to initial axial location, and the syringe needle of instrument used for injection front end is hidden by shell automatically.
Effect of the present utility model:
This utility model simplifies the technical difficulty of injecting liquid drug operation, improve working performance, the various length needle that can coordinate commercially available multiple instrument used for injection and coordinate with instrument used for injection, one-handed performance rapid vertical inserting needle goes out pin, ensure optimal injection degree of depth subcutaneous injection to greatest extent, ensure the effect of injecting liquid drug; Hide exposed syringe needle simultaneously, reduce the danger of accidental needle sticks, broken needle, alleviate the anxiety of operator, the feared state of mind, meet the demand of different crowd self administration of medication optimization injection.
Accompanying drawing explanation
Fig. 1 is this utility model axonometric chart.
Fig. 2 is this utility model sectional view.
Fig. 3 is this utility model three-dimensional exploded view.
Fig. 4 is this utility model embodiment 1 shell axonometric chart.
Fig. 5 is this utility model embodiment 1 inner sleeve axonometric chart.
Fig. 6 is this utility model embodiment 2 shell axonometric chart.
Fig. 7 is this utility model embodiment 2 inner sleeve axonometric chart.
Detailed description of the invention
Embodiment 1
As shown in Figures 1 to 5, this utility model comprises shell 1 and can hold the inner sleeve 3 engaging instrument used for injection, and inner sleeve 3 is positioned also can move vertically and rotate in a circumferential direction in shell 1; The axial stroke position limiting structure of several corresponding matching is respectively equipped with at shell 1 inwall and inner sleeve 3 outer wall, axial stroke position limiting structure set by described inner sleeve 3 outer wall is the flange 32 circumferentially in step-like distribution, and the axial stroke position limiting structure that shell 1 inwall is corresponding is the raised line 12 extended vertically; Shell and inner sleeve all have the opening of far-end and the through hole of near-end, spring 2 is provided with between shell 1 and inner sleeve 3, its two ends are respectively to being located at shell near-end inwall and inner sleeve near-end outer wall, promote shell 1 to be separated with inner sleeve 2 near-end, make inner sleeve 3 remain on initial axial location relative to shell 1; Shell 1 and inner sleeve 3 outer peripheral face arrange length mark part 11 and the directional bea con part 31 of corresponding instrument used for injection syringe needle respectively.
The material manufacture that described inner sleeve 3 uses self-lubricating property good, as POM, PA, PEEK, PTFE resin etc.Spring 2 surface set between shell 1 and inner sleeve 3 applies at least in part with damping material.
The sheathed case lid 4 in described inner sleeve 3 periphery, its internal diameter is greater than inner sleeve body outer diameter and is less than the annulus external diameter that the axial stroke position limiting structure in the middle part of inner sleeve surrounds, and case lid 4 is solid with 1 group, shell, is positioned in shell 1 by inner sleeve 3.
Described shell 1 inwall establishes some axially directed grooves 13, at least one elastic construction of radial deformation is provided with in the middle part of described inner sleeve 3, elastic construction is three shell fragments 33 cut off with inner sleeve main body, shell fragment 33 is provided with projection 34, projection 34 engages with gathering sill 13 and guides inner sleeve 3 to do axially-movable, inner sleeve 3 rotates in a circumferential direction, and projection 34, under shell fragment 33 acts on, dodges the convex surface 14 forming gathering sill.
Described inner sleeve 3 far-end is set with an outer sleeve 5, and outer sleeve 5 inwall is provided with the inner surface engaged with instrument used for injection outer wall.Suit one spring cylinder 6 in described outer sleeve 5, spring cylinder 6 hypomere reduced diameter, this section of perisporium is offered at least one axial gap 61, spring cylinder 6 is radially out of shape, and spring cylinder 6 inwall is provided with the inner surface engaged with syringe inwall.
The through hole periphery of described shell 1 near-end is provided with annular boss 15, and raised head face 16 caves in.Described boss 15 adopts elastomeric material to make, this elastomeric material, can be silica gel, also can be thermoplastic elastomer (TPE) etc.
Described inner sleeve 3 outer wall establishes bossed graduation mark 35.
Embodiment 2
As shown in fig. 6-7, the axial stroke position limiting structure set by described inner sleeve 3 outer wall is the elasticity raised line 32 ' arranged vertically, the axial stroke position limiting structure that outer casing inner wall is corresponding be on perisporium interval lay extend vertically in step-like groove 12 '.All the other are as embodiment 1.
Will be appreciated that a structure introduced and show can be replaced by equivalent structure herein, embodiment of the present utility model is not that only being used for implements structure of the present utility model.Although shown and described this bright preferred embodiment, for those skilled in the art, clearly these embodiments propose in an illustrative manner, do not departing from situation of the present utility model, and the technical staff in described field can carry out multiple change, change and replacement.In using, directional bea con part 31 and length mark part 11 are carried out the corresponding combination of difference sensing, on purpose control the length that shell proximal through-hole ledge given prominence to by injection needle, meet the injection demand of different-thickness skin crowd.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.

Claims (9)

1. control a device for paracentesis depth and hidden pin, it is characterized in that: comprise shell (1) and can hold the inner sleeve (3) engaging instrument used for injection, inner sleeve (3) is positioned also can move vertically and rotate in a circumferential direction in shell (1); The axial stroke position limiting structure of several corresponding matching is respectively equipped with at shell (1) inwall and inner sleeve (3) outer wall; Shell and inner sleeve all have the opening of far-end and the through hole of near-end, spring (2) is provided with between shell (1) and inner sleeve (3), its two ends are respectively to being located at shell near-end inwall and inner sleeve near-end outer wall, promote shell (1) to be separated with inner sleeve (3) near-end, make inner sleeve (3) remain on initial axial location relative to shell (1); Shell (1) and inner sleeve (3) outer peripheral face arrange length mark part (11) and the directional bea con part (31) of corresponding instrument used for injection syringe needle respectively.
2. a kind of device controlling paracentesis depth and hidden pin according to claim 1, it is characterized in that: the axial stroke position limiting structure set by described inner sleeve (3) outer wall is the flange (32) circumferentially in step-like distribution, and the axial stroke position limiting structure that shell (1) inwall is corresponding is the raised line (12) extended vertically; Or the axial stroke position limiting structure set by described inner sleeve (3) outer wall is the elasticity raised line (32 ') arranged vertically, the axial stroke position limiting structure that outer casing inner wall is corresponding be on perisporium interval lay extend vertically in step-like groove (12 ').
3. a kind of device controlling paracentesis depth and hidden pin according to claim 1, it is characterized in that: the sheathed case lid (4) in described inner sleeve (3) periphery, its internal diameter is greater than inner sleeve body outer diameter and is less than the annulus external diameter that the axial stroke position limiting structure in the middle part of inner sleeve surrounds, case lid (4) and shell (1) are organized solid, are positioned in shell (1) by inner sleeve (3).
4. a kind of device controlling paracentesis depth and hidden pin according to claim 1, it is characterized in that: described shell (1) inwall establishes some axially directed grooves (13) or guide rail, described inner sleeve (3) middle part is provided with at least one elastic construction of radial deformation, elastic construction is the shell fragment (33) that three or two sides and inner sleeve main body cut off, shell fragment (33) is provided with projection (34) or groove, projection (34) and gathering sill (13), or guide rail and engagement guide inner sleeve (3) to do axially-movable, inner sleeve (3) rotates in a circumferential direction, projection (34) is under shell fragment (33) effect, dodge the convex surface (14) forming gathering sill.
5. a kind of device controlling paracentesis depth and hidden pin according to claim 1, it is characterized in that: described inner sleeve (3) far-end is set with an outer sleeve (5), outer sleeve (5) inwall is provided with the inner surface engaged with instrument used for injection outer wall.
6. a kind of device controlling paracentesis depth and hidden pin according to claim 1 or 5, it is characterized in that: in described inner sleeve (3) or outer sleeve (5), be set with a spring cylinder (6), spring cylinder (6) hypomere reduced diameter, this section of perisporium is offered at least one axial gap (61), spring cylinder (6) is radially out of shape, and spring cylinder (6) inwall is provided with the inner surface engaged with syringe inwall.
7. a kind of device controlling paracentesis depth and hidden pin according to claim 1, is characterized in that: the through hole periphery of described shell (1) near-end is provided with annular boss (15), and raised head face (16) caves in.
8. a kind of device controlling paracentesis depth and hidden pin according to claim 7, is characterized in that: described annular boss (15) adopts elastomeric material to make.
9. a kind of device controlling paracentesis depth and hidden pin according to claim 1, is characterized in that: described inner sleeve (3) outer wall is provided with the graduation mark (35) of projection or depression.
CN201520852790.6U 2015-10-30 2015-10-30 Device of control piercing depth and latent needle Expired - Fee Related CN205073437U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105214180A (en) * 2015-10-30 2016-01-06 项文 A kind of device and using method thereof controlling paracentesis depth and hidden pin
WO2017070959A1 (en) * 2015-10-30 2017-05-04 项文 Device for controlling puncture depth and hiding needle and usage method thereof
CN106723877A (en) * 2017-03-20 2017-05-31 共聚生化科技(昆山)有限公司 The rotation infrared shell of magic cube type tubular port
CN106812282A (en) * 2017-04-01 2017-06-09 重庆工业职业技术学院 It is a kind of to adapt to the clamp structures that the flanging of different-thickness decorative panel is fixed
CN108273160A (en) * 2018-02-06 2018-07-13 盐城工业职业技术学院 A kind of medication clip
CN108836559A (en) * 2017-05-05 2018-11-20 诺瓦-科技工程公司 Injecting systems and application method
CN109999279B (en) * 2019-05-05 2021-04-20 河南省中医院(河南中医药大学第二附属医院) Needle inserting device for anesthesia department

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105214180A (en) * 2015-10-30 2016-01-06 项文 A kind of device and using method thereof controlling paracentesis depth and hidden pin
WO2017070959A1 (en) * 2015-10-30 2017-05-04 项文 Device for controlling puncture depth and hiding needle and usage method thereof
CN105214180B (en) * 2015-10-30 2019-10-29 淮安易捷科技有限公司 A kind of device and its application method controlling paracentesis depth and hidden needle
CN106723877A (en) * 2017-03-20 2017-05-31 共聚生化科技(昆山)有限公司 The rotation infrared shell of magic cube type tubular port
CN106812282A (en) * 2017-04-01 2017-06-09 重庆工业职业技术学院 It is a kind of to adapt to the clamp structures that the flanging of different-thickness decorative panel is fixed
CN106812282B (en) * 2017-04-01 2023-03-10 重庆工业职业技术学院 Clamp structure suitable for fixing edge pressing of decorative plates with different thicknesses
CN108836559A (en) * 2017-05-05 2018-11-20 诺瓦-科技工程公司 Injecting systems and application method
CN115006046A (en) * 2017-05-05 2022-09-06 诺瓦-科技工程有限责任公司 Injection system and method of use
US11771538B2 (en) 2017-05-05 2023-10-03 Nova-Tech Engineering, Llc Injection systems and methods
CN108273160A (en) * 2018-02-06 2018-07-13 盐城工业职业技术学院 A kind of medication clip
CN109999279B (en) * 2019-05-05 2021-04-20 河南省中医院(河南中医药大学第二附属医院) Needle inserting device for anesthesia department

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170504

Address after: 223005 Jiangsu city of Huaian province natural economic and Technological Development Zone, Road No. 18

Patentee after: Huaian Yi Jie Technology Co., Ltd.

Address before: Huaian City, Jiangsu province 223005 scenery Road Development Zone No. 18

Patentee before: Xiang Wen

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

Granted publication date: 20160309

Termination date: 20201030