CN108472443A - Medical needle with protector - Google Patents
Medical needle with protector Download PDFInfo
- Publication number
- CN108472443A CN108472443A CN201680076950.XA CN201680076950A CN108472443A CN 108472443 A CN108472443 A CN 108472443A CN 201680076950 A CN201680076950 A CN 201680076950A CN 108472443 A CN108472443 A CN 108472443A
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- CN
- China
- Prior art keywords
- protector
- needle
- protruding portion
- main body
- locking component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of medical needle with protector, can easily assemble respective molding needle main body and protector.Medical needle (1) with protector has：Needle main body (3) including needle tubing (2) and needle stand (7)；The protector (4) of needle tubing (2) can be stored；Needle main body (3) is locked in the 1st locking component of protector (4) in a manner of it can release；With needle main body (3) is locked in the 2nd locking component of protector (4) in a manner of it can not release.1st locking component include setting the side of needle stand (7) arm (75), hook portion (77), and, be arranged the side of protector (4) lock part (44).2nd locking component includes：Top end part protruding portion (79,80) in needle stand (7) is set, and, the fastened component (47) in the rear end side of protector (4) is set.Protector (4) has the 1st groove portion (45) and the 2nd groove portion (46), and the 1st groove portion (45), which is set on the inner peripheral surface of protector (4), makes protruding portion (79,80) that can pass through；2nd groove portion (46) is arranged on the direction vertical with the first groove portion (45).
Description
Technical field
The present invention relates to the medical needles with protector.
Background technology
In the past, it is known that have needle main body and the medical needle with protector of the tubular protector of needle main body can be stored
(referring for example to patent document 1).The needle main body is by the sharp keen needle tubing in front end and supports the needle stand of the needle tubing and constitutes, the needle stand
The rear end of the needle tubing is supported on top, flexible pipe is connected in rear end.
The medical needle with protector is expected to, needle tubing in puncture vessel etc. after do not fall off, and make
The needle tubing being accommodated in after in protector will not protrude and occur accidentally to puncture again.Therefore, the medical needle set with protector
It is standby：The needle main body is locked in the guarantor in a manner of it can release in the state that the needle tubing is prominent from the protector
Protect the 1st locking component of device and in the state that the needle tubing is accommodated in the protector by the side of the needle main body can not release
Formula is locked in the 2nd locking component of the protector.
According to the medical needle with protector, it is punctured in the state that the needle tubing is prominent from the protector
When in blood vessel etc., the needle main body is locked in the protector by the 1st locking component, therefore can prevent the needle tubing
It falls off from blood vessel.In addition, after use, the locking formed by the 1st locking component is released, the needle tubing can be stored
In the protector.
Further, described when the needle tubing is accommodated in the protector according to the medical needle with protector
Needle main body is locked in by the 2nd locking component in the protector, therefore is not in again prominent situation, thus
It can prevent from accidentally puncturing.
Existing technical literature
Patent document
Patent document 1：No. 3134920 bulletins of Japanese Patent No.
Invention content
Problems to be solved by the invention
In the above-mentioned previous medical needle with protector, the needle main body and the protector are with synthetic resin material
Material is fabricated by injection molding.It is described but if to assemble the needle main body being separately formed and the protector
1st locking component or the 2nd locking component become obstacle, there are problems that assemble.
To solve the above-mentioned problems, it may be considered that in advance in the needle main body and the protector a side carry out at
Type, in injection molding another party by above-mentioned needle main body and the protector a side configure in mold come carry out inserts at
Thus type obtains The needles main body and the protector as the product of assembled state.
But there is the mold of Structure of need complexity and the unfavorable condition of trivial operations when carrying out the insert-molding.
The unfavorable condition can be eliminated the object of the present invention is to provide one kind so as to easily assemble each self-forming
The needle main body and the protector the medical needle with protector.
Solve the mode of project
To achieve the goals above, the medical needle of the invention with protector has：Needle main body comprising front end is sharp keen
Needle tubing and top support needle tubing rear end and be connected with the needle stand of flexible pipe in rear end；The protector of tubular is
It can be assembled with the needle main body and the needle tubing can be stored；1st locking component, it is outstanding from the protector in the needle tubing
The needle main body is locked in the protector in a manner of it can release under state；With the 2nd locking component, in needle tubing storage
The needle main body is locked in the protector in a manner of it can not release in the state of in the protector；
The medical needle with protector is characterized in that,
1st locking component includes：In the side of the needle stand along the length direction setting of the needle stand and relative to the needle
The 1 pair of arm of seat flexible deformation freely；In the hook portion that the top of the arm is arranged；Be arranged on the side of the protector simultaneously
With 1 pair of lock part of the hook portion locking；
2nd locking component includes：1st protruding portion is set to the locking by needle main body is by the 1st locking component
From the top end part of the protector needle stand outstanding when the protector, and has inclination (slope) in rear end side；2nd protrudes
Portion, be configured to than the needle stand the 1st protruding portion is closer to tip side and there are defined intervals with the 1st protruding portion；With,
Fastened component is arranged in a manner of towards outer elastic deformation freely in the rear end side of the protector, is accommodated in the needle tubing
When in the protector, which is sticked in the 1st protruding portion and the 2nd by the inclined lead of the 1st protruding portion
In the gap of protruding portion；1 pair of arm of the 1st locking component is configured to relative to the substantially symmetrical about its central axis of the needle stand；2nd lock
The position corresponding to the line vertical with the connection line of 1 pair of arm is arranged in 1st protruding portion of stop part and the 2nd protruding portion
On needle stand peripheral surface；The 1st groove portion and the 2nd slot of the standby total length throughout top end part to the rear end of inner peripheral surface of the keeping device
Portion, the 1st groove portion be arranged to the 2nd locking component the 1st protruding portion and the 2nd protruding portion can by and setting linking
On direction corresponding to the line of 1 pair of lock part；2nd groove portion is arranged in the line vertical with the connection line of lock part of 1 couple
On corresponding direction.
The medical needle with protector of the present invention has needle main body and is assembled with the protector of the tubular of the needle main body,
The needle main body is by the sharp keen needle tubing in front end and supports the rear end of the needle tubing on top and is connected with the needle of flexible pipe in rear end
Seat is constituted, which is configured to store the needle tubing.
In the state that the medical needle with protector of the present invention is used for prominent from the protector in the needle tubing, wear
Lancing pipe etc. simultaneously supplies liquid etc. by the flexible pipe and the needle tubing to blood vessel etc..At this point, the band protector of the present invention
Medical needle in, the needle main body is locked in by the 1st locking component on the protector, thus it can be prevented that institute
Needle tubing is stated to fall off from blood vessel etc..1st locking component will be by that will be arranged on the top of the arm of the needle stand
Hook portion is locked in the lock part being arranged on the protector, to which the needle main body to be locked on the protector.
If having pulled out the medical needle with protector of the present invention from blood vessel etc., release based on the 1st locking component
The locking of the needle main body and the protector.Release the locking based on the 1st locking component can by by the arm to institute
State needle stand side push to the lock portion of the protector from carrying out.
If relieving the locking based on the 1st locking component, by making the needle stand retreat, the needle tubing is pulled in
In the protector.When the needle stand being made to retreat, the 1st protruding portion and the 2nd protruding portion of the 2nd locking component are by the described 2nd
Groove portion guides, and thus, it is possible to successfully retreat.
Then, the 1st protruding portion of the 2nd locking component and the 2nd protruding portion retreat the rear end until the 2nd groove portion
When, the fastened component is deformed outward by the inclination having in the rear end side of the 1st protruding portion.When the engaging structure
When part crosses 1 protruding portion because of the retrogressing of the needle main body, restores because of the elasticity of its own to original state and be sticked in
In the gap of 1st protruding portion and the 2nd protruding portion.
As a result, the side that the needle main body can not be released by the 2nd locking component with the relatively described protector
Formula is locked in the protector, and presentation can not move forward and backward so that and the needle tubing being contained in the protector will not protrude again,
Therefore it can prevent from accidentally puncturing.
Then, when the needle main body being assembled in the protector, the tip side of the needle stand is inserted into the protection
The rear end side of device.At this point, under the posture of 1 pair of arm lock part for being locked in the protector of the needle stand, it is desirable to
When the tip side of the needle stand is inserted into the rear end side of the protector, then it is arranged the described 2nd prominent on the top end part of the needle stand
Go out portion with the fastened component mutually to conflict, therefore can not be inserted into.
Therefore, make the protector and the needle stand around 90 ° of central shaft relative rotation.In this way, it avoids
In conflicting for the 2nd protruding portion and the fastened component that the top end part of the needle stand is arranged, can by the 2nd protruding portion with
1st protruding portion is contained in the 1st groove portion that the side corresponding to the line for connecting 1 pair of lock part is set up.It is described
Needle stand is inserted by being arranged to the 2nd protruding portion and the 1st protruding portion is contained in posture in the 1st groove portion
The protector, but when 1 pair of arm mutually conflicts with the rear end of the protector, then can not be further inserted into.
Therefore, make the protector and the needle stand around central shaft along with preceding to be once rotated into opposite direction opposite
It is rotated by 90 °.The needle stand forms the posture that 1 pair of arm is locked in 1 pair of lock part of the protector as a result, is pushing
In the state that 1 pair of arm makes its Direction distortion to the needle stand, it is further inserted into the protector.Also, when setting
When releasing the pushing of the arm when the hook portion on the top of the arm reaches the lock part, then the arm is because of itself
Elasticity and restore to original state, which is locked in the lock part, so that the needle main body to be assembled on the protector.
Therefore, the medical needle according to the present invention with protector, can hold when by insert-molding
It changes places and assembles the needle main body being separately formed and the protector.
In the medical needle with protector of the present invention, it is preferred that the 1st protruding portion of the 2nd locking component
With the institute of the 2nd protruding portion position corresponding to the line vertical with the line of 1 couple arm of the 1st locking component is connect
It states and 1 pair is respectively arranged on the peripheral surface of needle stand, 1 couple the 1st protruding portion and 1 couple the 2nd protruding portion are respectively with respect to the needle
The central shaft of seat is formed symmetrically.
The 1st protruding portion and the 2nd protruding portion of 2nd locking component can also with connect it is described 1st lock
Only it is arranged 1 group on the peripheral surface of the needle stand of position corresponding to the vertical line of the line of the arm of 1 couple of stop part.But
By by the central shaft of the opposite needle stand formed it is symmetrical in a manner of each 1 pair of protruding portion of setting, can be effectively by the needle main body
It is locked in the protector.
In addition, in the medical needle with protector of the present invention, it is preferred that the keeping device is for 1 pair of wing members.
The medical needle with protector of the present invention is pinched by overlapping 1 pair of wing members, it can be by the needle tubing easily
It is punctured in blood vessel etc..In addition, in the medical needle with protector of the present invention, after the needle tubing is punctured in blood vessel etc.,
1 pair of wing members can be unfolded and be fixed on skin by adhesive tape etc..
Description of the drawings
Fig. 1 is the stereogram for the composition for showing the medical needle with protector of the present invention.
Fig. 2 is the exploded view of the medical needle shown in FIG. 1 with protector.
Fig. 3 is the horizontal direction sectional view of needle stand shown in FIG. 1.
Fig. 4 is the vertical direction sectional view of needle stand shown in FIG. 1.
Fig. 5 is the horizontal direction sectional view of protector shown in FIG. 1.
Fig. 6 is the vertical direction sectional view of protector shown in FIG. 1.
In Fig. 7, Fig. 7 A are the horizontal direction sectional views for the state for showing to be assembled in needle main body on protector, and Fig. 7 B are to show
Go out to relieve the horizontal direction sectional view of the state of the locking of needle main body and protector.
In Fig. 8, Fig. 8 A are the vertical direction sectional views for the state for showing that needle main body is made to retreat, and Fig. 8 B are to show to make needle main body
The vertical direction sectional view of state for retreating and being accommodated in needle tubing in protector.
In Fig. 9, Fig. 9 A are to show the arm in needle stand to be locked under the posture of the lock part of protector to want needle stand
Tip side is inserted into the vertical direction sectional view of the state of the rear end side of protector, and Fig. 9 B are to show that the state relative to A will be described
The tip side of needle stand is inserted into the rear end side of protector by protector and the needle stand under the posture of 90 ° of central shaft relative rotation
State vertical direction sectional view.
Specific implementation mode
Then, it with reference to attached drawing, is further described for embodiments of the present invention.
As shown in Figure 1, 2, the medical needle 1 with protector of present embodiment has：Support the sharp keen needle tubing 2 in front end
Needle main body 3, be assembled with needle main body 3 tubular protector 4 and outer a pair of of the wing members 5 for being embedded in protector 4.
Needle main body 3 is made of needle tubing 2 and needle stand 7.Needle stand 7 supports the rear end of needle tubing 2 on its top and is connected in rear end
There is flexible pipe 6.Needle stand 7 for example, by the synthetic resin such as acrylonitrile-butadiene-styrene (ABS resin) note
It penetrates molding and is formed.In addition, protector 4 is formed by the injection moulding of acrylic resin etc. and is produced to accommodate needle tubing
2, wing members 5 are formed by the injection moulding of the soft resins such as vinyl chloride resin.
As shown in figure 3, the needle stand 7 for constituting needle main body 3 has in the tip side of cylindric needle hub body 71 is inserted into needle
Pipe 2 and the needle tubing support sector 72 supported to it have the connecting section 73 of connection flexible pipe 6 in rear end side.Needle tubing branch
Portion 72 is held to be interconnected by the blank part 74 being arranged among the two with connecting section 73.
In addition, the rear end of needle hub body 71 by the central shaft relative to needle stand 7 constituted it is symmetrical in a manner of 1 pair of arm is set
Portion 75,75.Arm 75,75 is arranged with spaced the length direction along needle hub body 71 between needle hub body 71.
The top end part of arm 75 is provided with hook portion 77 by neck 76, is formed with from tip side towards rear end side in the top end of hook portion 77
The inclined surface 78 of formation, inclined surface 78 is so that side close with needle hub body 71 is set as sharp keen.
Needle stand 7 is formed by ABS resin as described above, therefore pushes arm 75,75 by direction of following the arrow, can
Make the flexible deformation on 71 direction of needle hub body of arm 75,75.In addition, if release arm 75,75 pushing, then arm 75,
75 can restore because of the elastic force of its own to original state.
In addition, as shown in Figure 4, from the top of needle stand 7 when needle stand 7, vertical with the line of arm portions 75,75
Line corresponding to position needle hub body 71 top end part peripheral surface on have the 1st protruding portion 79 and the 2nd protruding portion 80.In phase
The central shaft of needle stand 7 is constituted, 1 pair of protruding portion 79,80 is respectively set at symmetrical position.It should be noted that protruding portion 79,
80 can be each on the peripheral surface of the top end part of the needle hub body 71 of position corresponding to the line vertical with the line of arm portions 75,75
Setting 1.
1st protruding portion 79 has inclination 79a in rear end, in left and right settings 1 to tilting 79a in a manner of spaced.
In addition, the 2nd protruding portion 80 be configured to than the 1st protruding portion 79 closer to the tip side of needle hub body 71 and with the 1st protruding portion 79
Between there are defined intervals.
On the other hand, protector 4 is as shown in Figure 5, has from top view in the rear end of the protector main body 41 of tubular
When angle is seen from tip side backward end side gradually widen widen portion 42, have on the rear end in the portion of widening 42 and be inserted into arm
75,75 insertion section 43,43.Insertion section 43 is laterally having window portion 44, is inserted in the hook portion 77 of the arm 75 in insertion section 43
It is locked in window portion 44.That is, constituting the 1st lock part by the arm 75 of needle stand 7, hook portion 77, the insertion section 43 of protector 4 and window portion 44
Part.
In addition, protector main body 41 has the 1st groove portion 45 of the total length throughout top end part to rear end on inner peripheral surface
With the 2nd groove portion 46.1st groove portion 45 is arranged on the direction corresponding to the line of connection insertion section 43,43；The setting of 2nd groove portion 46 exists
On direction corresponding to the line vertical with the line for connecting insertion section 43,43.The space that groove portion 45,46 is intersected is set to needle hub body
71 can slide, and groove portion 45,46 can be arranged by protruding portion 79,80 shown in Fig. 4 in a manner of.In addition, the 1st groove portion 45
Rear end be connected to insertion section 43.
In addition, in the rear end of the 2nd groove portion 46, it is provided with fastened component 47.Fastened component 47 is as shown in Figure 6, is
The section view being connect with the rear end of protector main body 41 is the component of L fonts, to occlude the side of the rear end of the 2nd groove portion 46
Formula is arranged.
Protector 4 is formed by acrylic resin as described, therefore, inclination of the fastened component 47 by the 1st protruding portion 79
79a is guided, and thus, it is possible in the outside of protector main body 41 (being upper and lower directions in figure) flexible deformation.In addition, working as fastened component
47 when crossing 1 protruding portion 79, then can restore because of the elastic force of its own to original state, be sticked in the 1st protruding portion 79 and the 2nd
In gap between protruding portion 80.That is, constituting the 2nd locking by the fastened component 47 of the protruding portion 79,80 of needle stand 7 and protector 4
Component.
Then, it after pulling out needle tubing 2 from blood vessel etc. and is received in the medical needle 1 with protector with reference to Fig. 7,8
Action when being contained in protector 4 illustrates.
When needle tubing 2 is punctured in blood vessel etc., as shown in figure 7 a, it is arranged on the top of the arm 75 of needle stand 7
Hook portion 77 is locked in the window portion 44 of protector 4, and the state outstanding from protector 4 of needle tubing 2 is consequently formed.Therefore, by needle tubing 2 from
After being pulled out in blood vessel etc., arm pushes arm 75 along arrow direction, makes the flexible deformation on 71 direction of needle hub body of arm 75,
Thus the locking of hook portion 77 and window portion 44 is released.Also, as shown in Figure 7 B like that, arm 75 is made to become on 71 direction of needle hub body
While shape, so that needle stand 7 is retreated, thus pull in needle tubing 2 in protector main body 41.
At this point, as shown in Figure 8 A like that, in the 1st protruding portion 79 and the 2nd protruding portion that the top end part of needle hub body 71 is formed
80 are guided by the 2nd groove portion 46, therefore can successfully be retreated with the retrogressing of needle stand 7.Also, when the 1st protruding portion 79 and card
When closing component 47 and abutting, flexible deformation can occur in the manner for fastened component 47, and therefore, fastened component 47 is by the
The inclination 79a of 1 protruding portion 79 is guided and is deformed the outside of protector main body 41 (being upper and lower directions in figure).
Thereafter, when further retreating needle stand 7, then as shown in Figure 8 B like that, fastened component 47 crosses the 1st protruding portion
79, and restore to original state because of the elastic force of its own, between being sticked between the 1st protruding portion 79 and the 2nd protruding portion 80
In gap.At this point, needle tubing 2 is accommodated in protector main body 41, as long as fastened component 47 is not allowed to deform outward, fastened component 47 with
The locking of protruding portion 79,80 can not then release.
Therefore, the needle tubing 2 being accommodated in protector main body 41 will not protrude again, so as to prevent from accidentally puncturing.
Then, with reference to Fig. 9, the needle main body 3 (needle stand 7) being separately formed for assembling is said with action when protector 4
It is bright.
When needle main body 3 to be assembled on protector 4, as shown in Figure 9 A like that, the tip side of needle stand 7 is inserted into protection
The rear end side of device 4.At this point, the arm 75,75 in 1 couple of needle stand 7 is inserted into the insertion section 43 of protector main body 41 and hook portion
77 are locked under the posture of window portion 44, it is desirable to when the tip side of needle stand 7 is inserted into the rear end side of protector 4, on the top of needle stand 7
2nd protruding portion 80 of end set conflicts with 47 phase of fastened component, to be inserted into.Therefore, as shown in arrow in Fig. 9 A that
Sample makes protector 4 and needle stand 7 around 90 ° of central shaft relative rotation.
Like this, as shown in Figure 9 B, needle stand 7 forms following postures：Avoid rushing for the 2nd protruding portion 80 and fastened component 47
It is prominent so that protruding portion 79,80 can be contained in the 1st groove portion 45.It should be noted that Fig. 9 B are shown makes guarantor relative to Fig. 9 A
Shield device 4 has rotated 90 ° of state.Therefore, when making needle stand 7 advance, protruding portion 79,80 can be guided and companion by the 1st groove portion 45
With advancing before needle stand 7 and then smoothly.
When making needle stand 7 constantly advance in the manner, arm 75,75 mutually conflicts with the rear end of protector 4,
To be advanced further.Therefore, protector 4 is made once to be rotated into opposite direction to preceding around central shaft with needle stand 7
90 ° of relative rotation.
In this way, needle stand 7 restores to posture shown in Fig. 9 A, forms arm 75,75 and is inserted into protector 4
Insertion section 43,43 in posture, therefore, by arm 75,75 to 71 direction of needle hub body push and deform in the state of into
One step is advanced, and is inserted into insertion section 43.At this point, arm 75 has inclined surface 78 on top, therefore can be drawn by inclined surface 78
It leads and is readily inserted into insertion section 43.Also, if the hook portion 77 being arranged on the top of arm 75 reaches the position of window portion 44
The pushing of arm 75 is released when setting, then arm 75 restores because of the elasticity of its own to original state, and hook portion 77 is locked in window portion 44.
As a result, needle main body 3 can be assembled on protector 4.
Symbol description
1 medical needle with protector
2 needle tubings
3 needle main bodys
4 protectors
7 needle stands
44 window portions (lock part)
45 the 1st groove portions
46 the 2nd groove portions
47 fastened components
75 arms
77 hook portions
79 the 1st protruding portions
80 the 2nd protruding portions.
Claims (3)
1. a kind of medical needle with protector, has：Needle main body comprising the sharp keen needle tubing in front end and top support
The rear end of needle tubing and it is connected with the needle stand of flexible pipe in rear end；The protector of tubular, for group can be carried out with the needle main body
It fills and the needle tubing can be stored；1st locking component, in the state that the needle tubing is prominent from the protector by the needle main body with
The mode that can be released is locked in the protector；With the 2nd locking component is accommodated in the state in the protector in the needle tubing
It is lower that the needle main body is locked in the protector in a manner of it can not release；
The medical needle with protector is characterized in that,
1st locking component includes：In the side of the needle stand along the length direction setting of the needle stand and relative to the needle stand bullet
Property deformation 1 pair of arm freely；In the hook portion that the top of the arm is arranged；With, be arranged on the side of the protector and with this
1 pair of lock part of hook portion locking；
2nd locking component includes：1st protruding portion is set to and is locked in this by the needle main body is by the 1st locking component
From the top end part of the protector needle stand outstanding when protector, and has inclination in rear end side；2nd protruding portion, is set
At the 1st protruding portion than the needle stand closer to tip side and there are defined intervals with the 1st protruding portion；With, fastened component,
It is arranged in a manner of towards outer elastic deformation freely in the rear end side of the protector, is accommodated in the protector in the needle tubing
When, which is sticked in by the inclined lead of the 1st protruding portion between the 1st protruding portion and the 2nd protruding portion
In gap；
1 pair of arm of the 1st locking component is configured to relative to the substantially symmetrical about its central axis of the needle stand；2nd locking component is somebody's turn to do
The needle stand peripheral surface of the position corresponding to the line vertical with the connection line of 1 pair of arm is arranged in 1st protruding portion and the 2nd protruding portion
On；
The 1st groove portion and the 2nd groove portion of the standby total length throughout top end part to the rear end of inner peripheral surface of the keeping device, the 1st slot
Portion be arranged to the 2nd locking component the 1st protruding portion and the 2nd protruding portion can by and setting link 1 pair of locking
On direction corresponding to the line in portion；The side corresponding to the line vertical with the connection line of lock part of 1 couple is arranged in 2nd groove portion
Upwards.
2. the medical needle according to claim 1 with protector, which is characterized in that the 2nd locking component it is described
1st protruding portion and the 2nd protruding portion are right in the line institute vertical with the line of 1 couple arm of the 1st locking component is linked
It answers and is respectively arranged 1 pair on the peripheral surface of the needle stand of position, 1 couple the 1st protruding portion and 1 couple the 2nd protrusion
It is not formed symmetrically with respect to the central shaft of the needle stand.
3. the medical needle according to claim 1 or 2 with protector, which is characterized in that the keeping device is for 1 pair of wing
Shape portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015255959 | 2015-12-28 | ||
| JP2015-255959 | 2015-12-28 | ||
| PCT/JP2016/088753 WO2017115756A1 (en) | 2015-12-28 | 2016-12-26 | Protector-attached medical needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108472443A true CN108472443A (en) | 2018-08-31 |
| CN108472443B CN108472443B (en) | 2021-06-22 |
Family
ID=59225917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680076950.XA Active CN108472443B (en) | 2015-12-28 | 2016-12-26 | Medical needle with protector |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6864181B2 (en) |
| CN (1) | CN108472443B (en) |
| MY (1) | MY193042A (en) |
| TW (1) | TWI735497B (en) |
| WO (1) | WO2017115756A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6664270B2 (en) * | 2016-04-26 | 2020-03-13 | 株式会社トップ | Medical needle with protector |
| WO2021044806A1 (en) * | 2019-09-03 | 2021-03-11 | ニプロ株式会社 | Needle assembly |
| JP2021040853A (en) * | 2019-09-10 | 2021-03-18 | ニプロ株式会社 | Needle assembly |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0775671A (en) * | 1993-06-18 | 1995-03-20 | Nissho Corp | Vaned indwelling needle |
| CN1109368A (en) * | 1994-01-21 | 1995-10-04 | 株式会社日硝 | An indwelling injector needle assembly having wings |
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| JP6144891B2 (en) * | 2012-10-02 | 2017-06-07 | 三菱鉛筆株式会社 | Puncture tool |
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- 2016-12-26 JP JP2017559184A patent/JP6864181B2/en active Active
- 2016-12-26 CN CN201680076950.XA patent/CN108472443B/en active Active
- 2016-12-26 MY MYPI2018001103A patent/MY193042A/en unknown
- 2016-12-26 WO PCT/JP2016/088753 patent/WO2017115756A1/en active Application Filing
- 2016-12-28 TW TW105143642A patent/TWI735497B/en active
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201735963A (en) | 2017-10-16 |
| TWI735497B (en) | 2021-08-11 |
| CN108472443B (en) | 2021-06-22 |
| JPWO2017115756A1 (en) | 2018-10-18 |
| JP6864181B2 (en) | 2021-04-28 |
| WO2017115756A1 (en) | 2017-07-06 |
| MY193042A (en) | 2022-09-24 |
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