CN106237454A - A kind of safty pin structure - Google Patents
A kind of safty pin structure Download PDFInfo
- Publication number
- CN106237454A CN106237454A CN201610753976.5A CN201610753976A CN106237454A CN 106237454 A CN106237454 A CN 106237454A CN 201610753976 A CN201610753976 A CN 201610753976A CN 106237454 A CN106237454 A CN 106237454A
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- China
- Prior art keywords
- catching groove
- gradient
- block
- hook
- shell fragment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150541—Breakable protectors, e.g. caps, shields or sleeves, i.e. protectors separated destructively, e.g. by breaking a connecting area
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150801—Means for facilitating use, e.g. by people with impaired vision; means for indicating when used correctly or incorrectly; means for alarming
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150885—Preventing re-use
- A61B5/150923—Preventing re-use by means for destroying components or parts, e.g. by cutting or piercing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated 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
- A61M5/178—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
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3213—Caps placed axially onto the needle, e.g. equipped with finger protection guards
-
- 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
- A61M5/50—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 preventing re-use, or for indicating if defective, used, tampered with or unsterile
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/27—General characteristics of the apparatus preventing use
- A61M2205/273—General characteristics of the apparatus preventing use preventing reuse, e.g. of disposables
Abstract
nullA kind of safty pin structure includes cap、Syringe needle part、Fixing body、First body and the combined mode of the second body，The several first hook lockings being located at one to one on the first body with this second catching groove by several second catching grooves being located on fixing body，Several 4th catching grooves arranged on first body again will be located at several second hook lockings on the second body one to one with the 4th catching groove，Form safty pin structure，By pulling first in this structure、Two bodies are through first、Second lobe makes first、Second shell fragment has the deformation of certain nargin and has rebound effect power and make first、Two hooks buckle into above-mentioned second respectively、Four catching grooves，And meanwhile，The first block body system of offseting that the first block that first body has and fixing body have，Second body has again the second block and the second block body system of offseting that the first body has，Thus reach to lock purpose.The safty pin structure that the present invention provides, workable, convenient succinct.
Description
Technical field
The present invention relates to medical field, particularly relate to a kind of safty pin structure.
Background technology
The usual disposable aspiration needle when injection or blood sampling, only with cap, there is following fraud in this disposable aspiration needle
End: one be finished after can not prevent the risk that is re-used；Two is by the way of cap returning, owing to requiring returning
Accuracy can not be stable after easily medical personnel are caused infection, and returning cap locked syringe needle, it is easy to come off, cause place
Difficulty in reason.
Safty pin refers to stab in order to avoid medical personnel and recovery personnel cause or infect in needle design, design
There is the syringe needle of Tip protection structure.This protection structure typically takes the mode of locked syringe needle to play safe handling and the work reclaimed
With.Some safty pins in the market, operability is not strong, and such as application for a patent for invention number is 201280006699.1, this patent
Devise needle guard and the structure of protection set, protect set and needle guard by setting pressing at needle body neck end, the purpose that needle body is locked, aobvious
So the syringe needle of this patent directly can not operate at horizontal level, causes needle body to have the drawback being blocked, and is unfavorable for blood sampling or note
Penetrating operation, and need bigger pressing effect to be stuck in needle guard by needle body, operability is poor.
Summary of the invention
The present invention devises a kind of safty pin structure, solves the above-mentioned problem being not easy to operation, and it is simple for structure,
Due to design self-distruction structure, play first use and just cannot reuse, the most simple to operate, protect medical personnel not by
Stab or infect.
Technical scheme is as follows:
A kind of safty pin structure, has:
Cap and syringe needle part, this syringe needle part has needle body and for fixing the needle stand of this needle body；
Its feature is also have:
Fixing body, this fixing body is fixedly arranged on above-mentioned syringe needle part one end, has the of several suitable gradient at this fixing body
One catching groove, and at the other end of this fixing body, there is several first location stopper and be crisscross arranged with this first location stopper
Convex in the first block body of fixed cover surface；Aforementioned first location stopper has the second catching groove and adjacent with this second catching groove
And there is the first lobe of suitable gradient, between this first lobe and aforementioned first catching groove, there is the first slideway；
First body, this first body is arranged in above-mentioned syringe needle part and is sheathed on fixed cover external week, and its one end has with above-mentioned
Fix corresponding several first shell fragments of body and the first block being crisscross arranged with this first shell fragment, this first shell fragment upper end
Mask have a suitable gradient the 3rd catching groove and have in this first shell fragment lower surface suitable gradient the first hook and
It is located at the second location stopper of the first body other end and convex in the of first set surface with what this second stopper was crisscross arranged
Two block bodies, this second location stopper has the 4th catching groove and adjacent with the 4th catching groove and have the second protruding of suitable gradient
Portion, has the second slideway between this second lobe and aforementioned 3rd catching groove；
Second body, this second body is arranged in above-mentioned syringe needle part and is sheathed on first set external week, and its one end has with above-mentioned
The second shell fragment that first body is corresponding and the second block being crisscross arranged with this second shell fragment, this second shell fragment lower surface has
Second hook of one suitable gradient；
Wherein, when the second body stretching, second hook with gradient that above-mentioned second shell fragment lower surface is provided with is from the most right
The 3rd catching groove with gradient answered skids off, and this second hook is protruding to second with the suitable gradient forward along the second slideway
Portion, moves to the second hook that the second lobe end makes this second shell fragment be had and buckles into downwards the 4th catching groove；Meanwhile, with front
The second block that the second shell fragment stated is crisscross arranged and the second block body system of offseting that the first body is provided with, make the second body and first
Body locks；Stretching again the first body, first hook with gradient that above-mentioned first shell fragment lower surface is provided with is from corresponding therewith
First catching groove with gradient skid off, this first hook along the first slideway forward to having the second lobe of the suitable gradient,
Operation to the second lobe end makes the first hook of this first shell fragment buckle into downwards the second catching groove, meanwhile, with aforementioned first bullet
The first block body system of offseting that the first block that sheet is crisscross arranged and fixing body are provided with, makes the first body lock with fixing body,
So far, safty pin structure is formed.
The gradient of the first hook that the gradient of the first catching groove of described fixing body and the first body are had matches.
The gradient of the first hook that the gradient of the first lobe of described fixing body and the first body are had matches.
The second hook gradient phase that the gradient of the 3rd catching groove that described first body is had and the second body are had
Join.
The second hook gradient phase that the gradient of the second lobe that described first body is had and the second body are had
Coupling.
The first block body that the first block that described first body is had is had with described fixing body matches.
Described safety needle can be implemented in syringe cylinder or blood sampling syringe.
Described first catching groove or first gear number of blocks are set to 2-4.
The another kind of technical scheme of the present invention is as follows:
A kind of safty pin structure, has:
Cap and syringe needle part, this syringe needle part has needle body and for fixing the needle stand of this needle body；
Its feature is also have:
Fixing body, this fixing body is fixedly arranged on above-mentioned syringe needle part one end, has the of several suitable gradient at this fixing body
One catching groove, and the other end of this fixing body have several first location stopper and with this location stopper be crisscross arranged convex in
First block body of fixed cover surface, aforementioned first location stopper has the second catching groove and adjacent with this second catching groove and have
Suitably the first lobe of gradient, has the first slideway between this first lobe and aforementioned first catching groove；
First body, this first body is arranged in above-mentioned syringe needle part and is sheathed on fixed cover external week, and its one end has with above-mentioned
Several first shell fragments that fixing body is corresponding, this first shell fragment lower surface has the first hook of suitable gradient, with this first
The first block that shell fragment is crisscross arranged, for corresponding with above-mentioned first block body；
Wherein, when stretching above-mentioned first body, above-mentioned first hook skids off from corresponding first catching groove, along corresponding
First slideway slides to corresponding first lobe with the suitable gradient, to the first lobe end make the first hook buckle into
The second catching groove of correspondence, meanwhile, the first block body that the first block being crisscross arranged with the first shell fragment and fixing body are had
Resist mutually, so far, form safty pin structure.
The gradient of the first hook that the gradient of the first catching groove of described fixing body and the first body are had matches.
The gradient of the first hook that the gradient of the first lobe of described fixing body and the first body are had matches.
The first block body that the first block that described first body is had is had with described fixing body matches.
Described first catching groove or first gear number of blocks are set to 2-4.
Beneficial effect: present configuration is simple, strong operability, impetus can along with syringe needle direction operation, and need dynamics
Less, just can lock needle body, it is to avoid cause the risk infecting or stabbing to medical worker and recovery personnel.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of safty pin structure of the present invention.
Fig. 2 is the perspective cross section schematic diagram of safty pin structure of the present invention.
Fig. 3 is safty pin structure A-A section original state schematic diagram of the present invention.
Fig. 4 is safty pin structure B-B section original state schematic diagram of the present invention.
Fig. 5 is safty pin structure A-A section enforcement action schematic diagram of the present invention.
Fig. 6 is safty pin structure B-B section enforcement action schematic diagram of the present invention.
Fig. 7 is safty pin structure A-A section enforcement action schematic diagram of the present invention.
Fig. 8 is safty pin structure A-B section enforcement action schematic diagram of the present invention.
Fig. 9 is safty pin structure A-A section enforcement action schematic diagram of the present invention.
Figure 10 is safty pin structure B-B section enforcement action schematic diagram of the present invention.
Figure 11 is safty pin structure A-A section enforcement action schematic diagram of the present invention.
Figure 12 is safty pin structure B-B section enforcement action schematic diagram of the present invention.
Figure 13 is that safty pin structure A-A section enforcement action of the present invention completes schematic diagram.
Figure 14 is that safty pin structure B-B section enforcement action of the present invention completes schematic diagram.
Figure 15 is another kind technical scheme safty pin structure A-A generalized section of the present invention.
Figure 16 is that safety needle structure of the present invention is applied to needle set embodiment schematic diagram of taking a blood sample.
Figure 17 is that another kind technical scheme safety needle structure of the present invention is applied to syringe cylinder embodiment schematic diagram.
Figure 18 is that another kind technical scheme safety needle structure of the present invention is applied to syringe cylinder embodiment schematic diagram.
Description of symbols:
10-safty pin structure, 33-the second catching groove, 46-the second block body, 1-cap, 34-the first slideway, 47-the second slideway, 2-
Syringe needle part, 35-the first block body, 48-the first block, 4-the first bodies, 5-the second bodies, 21-needle body, 41-the first shell fragment,
51-the second shell fragment, 22-needle stand, 42-the first hook, 52-the second hook, 3-fixes body, 43-the 3rd catching groove, 54-second gear
Body, 31-the first catching groove, 44-the second lobe, 32-the first lobe, 45-the 4th catching groove.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As Figure 1-3, safty pin structure, including cap 1, syringe needle part 2, fixing body the 3, first body 4 and the second set
Body 5, syringe needle part 2 has needle body 21 and needle stand 22, and wherein, the first body 4 and the second body 5 are the hollow pipe of one end open
Body, fixes body 3 fixed cover and is located on syringe needle part 2, and wrapped in its hollow tube closely by the first body 4, the second body 4
It is sheathed on the first body 5 periphery closely, the first body 1 is wrapped in the cavity of this second body 5.
In the present embodiment, above-mentioned cap 1 one end has the stub end of opening, and stub end is provided with the spaced holding of tool
Portion, for corresponding with the interval small salient point that the second body 5 outer surface is provided with.
Above-mentioned fixing body 3 one end is provided with several first catching groove 31 with certain intervals, and this first catching groove 31 is towards pin
One end of body 21 is provided with and its first slideway 34 one to one, this first slideway 34 be offer on fixing body have one
Determine the conduit of depth and width, corresponding for the first body 4.This first catching groove 31 has opening and first slideway of constant slope
34 adapt, and what the end of this first slideway 34 was provided with that location stopper and this location stopper be crisscross arranged is raised in fixing body
First block body 46, this location stopper has first lobe 32 with certain slope adapted with aforementioned first slideway 34,
And it is provided with the second catching groove 33 less than this first lobe at this first lobe 32 end.
This first body 4 is provided with the 3rd catching groove 43, the second slideway the 47, second lobe the 44, the 4th catching groove 45 and second gear
Body, for the second body corresponding to, its respectively with the first catching groove 31 in above-mentioned fixing body, the first slideway 34, the first lobe
32 and second catching groove 33 arrange identical, repeat no more；So, its difference is, has number at this first body 4 upper surface
Individual first shell fragment 41, this first shell fragment 41 is in position to be suitable in region splitting first set surface according to certain intervals
Forming, make certain trihedral become the in vitro gap of certain distance, meanwhile, one side remains attached on the first body.As at the present embodiment
In, it is connected on the first body towards needle body circumference one side, thus forms the shell fragment with one fixed width and length, and should
Shell fragment is free under by drag effect upward or can be had downwards certain nargin by counteracting force and is deformed；And it is front
The 3rd catching groove 43 stated is located on the upper surface of the first shell fragment 41, and the lower surface at this first shell fragment 41 is provided with the first hook 42,
This first hook 42 has certain gradient and is similar to an angled-lift splits, the first catching groove that this amount of taper and fixing body are had
Gradient and first lobe 32 gradient of 31 match, the first block being crisscross arranged with aforementioned 3rd catching groove, this first block
Being located at the first body lower surface, corresponding with the first block body of fixing body, its shape can be convex in the projection of lower surface, also
Can be with the channel-shaped catch of depression, but be not limited to any deformation of shape.
Above-mentioned second body 5 has several second shell fragment 51 and the second hook 52 having at this second shell fragment 51 lower surface
The first hook 42 that the first shell fragment 41 and this first shell fragment 41 lower surface with above-mentioned first body 4 is provided with respectively arranges identical,
And with corresponding the second block of the first block body arranged on the first body upper surface, this second block also with above-mentioned first gear
Block arranges identical, repeats no more.
In the present embodiment, the first shell fragment, the first hook, the first groove, the first lobe, the first slideway, the second groove,
Second shell fragment, the second hook, the 3rd groove, the 4th groove, the second lobe and the second slideway are respectively provided with 2, and are symmetrical arranged,
Former components presses said structure one_to_one corresponding, the first block body, the first block, the second block body and the second block and upper aforementioned structure
Part is crisscross arranged, and is also set to 2, and for being symmetrical arranged.
As shown in Figures 3 and 4, arranging by said structure quantity, above-mentioned safty pin structure, when as entry needle part, it is the years old
The first hook 42 one_to_one corresponding under several first shell fragments 41 that one body 1 is had buckles into fixing body 3 one end and has identical
In first catching groove 31 of quantity, similarly, the second hook 52 that the second body 5 is had buckles into the first body 4 correspondingly
In the 3rd catching groove 43 being had, such safty pin structure is in initial light lock status, but first and second hook can under active force
Skid off from first and third catching groove respectively, now, it is only necessary to cap is unpluged, injection needle use can be carried out.
The above-mentioned purpose arranging gradient chute or hook or lobe is can gently lock in chute or to advancing slip in hook
Moving in time having acclive lobe, reduce resistance, therefore, gradient or tapering or gradient angulation are if able to fit
When being similar to inclined sliding block structure in a pair, active force is minimum, reaches to reach stretching locking purpose by less power.
As shown in Fig. 5 14, in figure, the most former from A-A section and the explanation of B-B variable condition of safty pin structure respectively
Reason.After injection completes, can the gentliest draw the second body 5, it is certain that the second shell fragment 51 lower surface that this second body 5 is provided with has
3rd catching groove 43 with constant slope of the first shell fragment 41 upper surface that the first hook 52 of gradient is had from the first body 4
In skid off, along the second slideway 47 forward, through the second location second lobe 44 with constant slope of being provided with of stopper, due to
This second lobe 44 makes the second shell fragment 51 have the deformation of certain nargin and have the active force of downward resilience, when arriving the 4th
During catching groove 45, the second hook 52 of this second shell fragment 51 lower end buckles into the 4th catching groove 45 under downward rebound effect power；Same with this
Time, the second block body 46 phase that the second block 54 being crisscross arranged with the second shell fragment and the first body are had resists, and makes the second set
Body and the first body are in locking state；Then, the first body 4, its process is pulled to pull the second body 5 process phase with above-mentioned
With, will first shell fragment lower surface arrange the first hook go out from the first catching groove lira with constant slope of fixing body,
Through the first slideway and first lobe 32 with certain slope, the first hook 42 is similarly made to buckle into the second catching groove 33, with
This simultaneously, the first block body system of offseting that the first block that the first body is had and fixing body are had, so far, the first body
Can not the most also cannot be moved rearwards by with the second body, by locked for needle body in the cavity of the first body and the second body,
Form safty pin structure.So there is stronger operability, and the dynamics used is less, and movement can be perpendicular to completely
First, second body is puted forth effort and is strained locking by direction, safe and reliable.
As shown in Figure 10 and 12, be the embodiment of safty pin of the present invention, this safty pin structure 10 by cap, fixing body,
First body, the second body and syringe needle part are constituted, and this safty pin structure is injected in syringe to be implemented, also can adopting by negative-pressure type
Blood syringe is implemented.
As shown in figure 15, the another kind of safty pin structure of the present invention, have: cap 1, syringe needle part 2, fixing body 3, first
Body 4, this syringe needle part 2 has needle body 21 and for fixing the needle stand 22 of this needle body；
Above-mentioned fixing body 3 is fixedly arranged on above-mentioned syringe needle part 2 one end, has the first catching groove of several suitable gradient at this fixing body
31, and at the other end of this syringe needle part, there is several location stopper, this location stopper have the second catching groove 33 and with this second
Catching groove is adjacent and has the first lobe 32 of suitable gradient, first block body 35 spaced with this first lobe,
Between this first lobe 32 and aforementioned first catching groove 31, there is the first slideway 34；
Above-mentioned first body 4 is arranged in above-mentioned syringe needle part 2 and is sheathed on fixing body 3 periphery, and its one end has fixing with above-mentioned
Several first shell fragments 41 that body 3 is corresponding, this first shell fragment lower surface has the first hook 42 of suitable gradient, with this first
Spaced first block 48 of shell fragment；
Wherein, when stretching above-mentioned first body 4, above-mentioned first hook 42 skids off from corresponding first catching groove 31, along therewith
Corresponding the first slideway sliding 34 to corresponding first lobe 32 with the suitable gradient, makes the to the first lobe 32 end
One hook 42 buckles into corresponding second catching groove 33, meanwhile, the first block and the first block body system of offseting, so far, first
Body is fixed on fixing body, makes needle body be locked at the first body and in cavity that fixing body is surrounded, forms into safty pin
Structure.
As shown in figure 17, above-mentioned safty pin structure is injected in syringe to be implemented, also can be by the blood sampling syringe of negative-pressure type
Implemented.
Above description is further illustrating of combining that the present invention done by detailed description of the invention and accompanying drawing.But, the present invention
Obviously can implement with multiple this other method described that is different from, those skilled in the art can be in the present invention
Carrying out promoting, deducing according to actually used situation in the case of appearance, therefore, the content of above-mentioned specific embodiment should not limit this
Specify fixed protection domain.
Claims (10)
1. a safty pin structure, has: cap and syringe needle part, and this syringe needle part has needle body and for fixing the pin of this needle body
Seat；Its feature is also have: fixing body, this fixing body is fixedly arranged on above-mentioned syringe needle part one end, has at this fixing body
First catching groove of several suitable gradients, and the other end of this fixing body have several first location stopper and with this first
It is convex in the first block body of fixed cover surface that location stopper is crisscross arranged；Aforementioned first location stopper have the second catching groove and with
This second catching groove is adjacent and has the first lobe of suitable gradient, has between this first lobe and aforementioned first catching groove
First slideway；First body, this first body is arranged in above-mentioned syringe needle part and is sheathed on fixed cover external week, its one end have with
Several first shell fragments that above-mentioned fixing body is corresponding and the first block being crisscross arranged with this first shell fragment, this first shell fragment
Upper surface have a suitable gradient the 3rd catching groove and have in this first shell fragment lower surface suitable gradient the first hook,
And it is located at the second location stopper and convex in first set surface with what this second stopper was crisscross arranged of the first body other end
The second block body, this second location stopper has the 4th catching groove and adjacent with the 4th catching groove and have the second of suitable gradient
Lobe, has the second slideway between this second lobe and aforementioned 3rd catching groove；Second body, this second body is arranged in
State syringe needle part and be sheathed on first set external week, its one end have second shell fragment corresponding with above-mentioned first body and with this
The second block that two shell fragments are crisscross arranged, this second shell fragment lower surface has the second hook of a suitable gradient；Wherein, when second
During body stretching, second hook with gradient that above-mentioned second shell fragment lower surface is provided with has the of gradient from corresponding
Three catching grooves skid off, and this second hook forward to having the second lobe of the suitable gradient, moves to second protruding along the second slideway
The second hook that portion's end makes this second shell fragment be had buckles into downwards the 4th catching groove；Meanwhile, interlock with aforesaid second shell fragment
The second block body system of offseting that the second block arranged and the first body are provided with, makes the second body and the locking of the first body；Stretch again
First body, first hook with gradient that above-mentioned first shell fragment lower surface is provided with has suitable gradient from corresponding
First catching groove skids off, and this first hook, is run to second convex along the first slideway forward to having the second lobe of the suitable gradient
To play portion's end make the first hook of this first shell fragment buckle into downwards the second catching groove, is crisscross arranged with aforementioned first shell fragment meanwhile
The first block body system of offseting that first block and fixing body are provided with, makes the first body lock with fixing body, so far, forms safety
Needle construction.
2. a safty pin structure, has: cap and syringe needle part, and this syringe needle part has needle body and for fixing the pin of this needle body
Seat；Its feature is also have: fixing body, this fixing body is fixedly arranged on above-mentioned syringe needle part one end, has at this fixing body
First catching groove of several suitable gradients, and the other end of this fixing body have several first location stopper and with this location
Stopper is crisscross arranged convex in the first block body of fixed cover surface, aforementioned first location stopper have the second catching groove and with this second
Catching groove is adjacent and has the first lobe of suitable gradient, has first sliding between this first lobe and aforementioned first catching groove
Road；
First body, this first body is arranged in above-mentioned syringe needle part and is sheathed on fixed cover external week, and its one end has with above-mentioned
Several first shell fragments that fixing body is corresponding, this first shell fragment lower surface has the first hook of suitable gradient, with this first
The first block that shell fragment is crisscross arranged, for corresponding with above-mentioned first block body；Wherein, when stretching above-mentioned first body, above-mentioned the
One hook skids off from corresponding first catching groove, slides to corresponding have the suitable gradient along corresponding first slideway
First lobe, makes the first hook buckle into corresponding second catching groove to the first lobe end, hands over the first shell fragment meanwhile
The first block body system of offseting that wrong the first block arranged is had with fixing body, so far, forms safty pin structure.
A kind of safty pin structure the most according to claim 1 and 2, it is characterised in that described fixing body had the
The gradient of the first hook that the gradient of one catching groove and the first body are had matches.
A kind of safty pin structure the most according to claim 1 and 2, it is characterised in that described fixing body had the
The gradient of the first hook that the gradient of one lobe and the first body are had matches.
A kind of safty pin structure the most according to claim 1 and 2, it is characterised in that described first body had the
The first block body that one block is had with described fixing body matches.
A kind of safty pin structure the most according to claim 1 and 2, it is characterised in that described first catching groove or the first block
Quantity is set to 2-4.
A kind of safty pin structure the most according to claim 1 and 2, it is characterised in that described safety needle can be in entry needle
Cylinder or blood sampling syringe are implemented.
A kind of safty pin structure the most according to claim 1, it is characterised in that the 3rd button that described first body is had
The second hook gradient that the gradient of groove and the second body are had matches.
A kind of safty pin structure the most according to claim 1, it is characterised in that it is second convex that described first body is had
The second hook gradient that the gradient in the portion of rising and the second body are had matches.
A kind of safty pin structure the most according to claim 1, it is characterised in that described second shell fragment or the second block number
Amount is set to 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753976.5A CN106237454A (en) | 2016-08-30 | 2016-08-30 | A kind of safty pin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610753976.5A CN106237454A (en) | 2016-08-30 | 2016-08-30 | A kind of safty pin structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106237454A true CN106237454A (en) | 2016-12-21 |
Family
ID=57597933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610753976.5A Withdrawn CN106237454A (en) | 2016-08-30 | 2016-08-30 | A kind of safty pin structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106237454A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469188A (en) * | 2017-08-03 | 2017-12-15 | 安徽迈菲思医疗器械有限公司 | A kind of safty pin |
| WO2018170893A1 (en) * | 2017-03-24 | 2018-09-27 | 千禧光医疗有限公司 | Safe injecting device and safety mechanism applied thereto |
| CN108619594A (en) * | 2017-03-24 | 2018-10-09 | 千禧光医疗有限公司 | Safety injector and release mechanism for it |
| CN110538361A (en) * | 2019-10-11 | 2019-12-06 | 江苏康宝医疗器械有限公司 | Safe ejection vein needle |
| US10773018B2 (en) | 2015-06-25 | 2020-09-15 | Sol-Millennium Medical Hk Limited | Safety mechanism for a retaining needle and a retaining needle having the safety mechanism |
-
2016
- 2016-08-30 CN CN201610753976.5A patent/CN106237454A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10773018B2 (en) | 2015-06-25 | 2020-09-15 | Sol-Millennium Medical Hk Limited | Safety mechanism for a retaining needle and a retaining needle having the safety mechanism |
| WO2018170893A1 (en) * | 2017-03-24 | 2018-09-27 | 千禧光医疗有限公司 | Safe injecting device and safety mechanism applied thereto |
| CN108619594A (en) * | 2017-03-24 | 2018-10-09 | 千禧光医疗有限公司 | Safety injector and release mechanism for it |
| CN108619594B (en) * | 2017-03-24 | 2021-08-13 | 千禧光医疗有限公司 | Safety syringe and safety mechanism therefor |
| US11213632B2 (en) | 2017-03-24 | 2022-01-04 | Sol-Millennium Medical Hk Limited | Safety syringe and safety mechanism for use in the same |
| CN107469188A (en) * | 2017-08-03 | 2017-12-15 | 安徽迈菲思医疗器械有限公司 | A kind of safty pin |
| CN107469188B (en) * | 2017-08-03 | 2023-04-18 | 安徽迈菲思医疗器械有限公司 | Safety needle |
| CN110538361A (en) * | 2019-10-11 | 2019-12-06 | 江苏康宝医疗器械有限公司 | Safe ejection vein needle |
| WO2021068280A1 (en) * | 2019-10-11 | 2021-04-15 | 江苏康宝医疗器械有限公司 | Safe ejection intravenous needle |
| US11638789B2 (en) | 2019-10-11 | 2023-05-02 | Jiangsu Kangbao Medical Equipment Co., Ltd | Safe ejection intravenous needle |
| CN110538361B (en) * | 2019-10-11 | 2024-02-27 | 江苏康宝医疗器械有限公司 | Safety catapulting intravenous needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161221 |
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| WW01 | Invention patent application withdrawn after publication |