CN208892603U - A kind of withdraw of the needle structure of blood collecting pen - Google Patents
A kind of withdraw of the needle structure of blood collecting pen Download PDFInfo
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- CN208892603U CN208892603U CN201821191968.7U CN201821191968U CN208892603U CN 208892603 U CN208892603 U CN 208892603U CN 201821191968 U CN201821191968 U CN 201821191968U CN 208892603 U CN208892603 U CN 208892603U
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Abstract
The utility model discloses a kind of withdraw of the needle structures of blood collecting pen, mainly include the axially hollow pen cap；Guide sleeve, inner core, withdraw of the needle inner core, withdraw of the needle key and elastic component are equipped in the pen cap；It is radially equipped with shim in the pen cap, the through-hole two passed through for withdraw of the needle key is equipped in the junction of shim and the pen cap；The guide post cooperated with withdraw of the needle key is equipped in the second cavity；The guide sleeve and first cavity are socketed；The needle stand portion of the inner core is located in the guide sleeve, and the open end of the withdraw of the needle key axially extends protrusion, and the protrusion is equipped with the guide groove three for cooperating with the guide post, withdraw of the needle key being made to rotate when moving axially certain distance；The withdraw of the needle key of the utility model uses the structure of rotatable positioning, the tail end of withdraw of the needle key is press surface, not only eliminate the setting of tail cap, and avoid before excitation, inner core of pushing pin when excitation spring is by precompressed pushes away blood taking needle the case where falling, security performance is more preferable.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly to a kind of withdraw of the needle structure of blood collecting pen.
Background technique
Blood collecting pen is a kind of hemostix of pen type, is used cooperatively with disposable sterilized blood taking needle, and human body tip blood sample is acquired
Manual rebound type assist blood-taking device.After the completion of blood sampling, since syringe needle has been stained with blood of human body, so must will make
Used syringe needle is handled, so as not to medical staff or other people by needlestick injuries.Existing blood collecting pen, which does not have much, to move back
Needle function, it is not convenient or even can accidentally injure operator to take down blood sampling stylus after use, has some blood collecting pens to have withdraw of the needle function, but grasp
Make cumbersome.
It is side setting withdraw of the needle key for the withdraw of the needle mode that existing blood collecting pen generallys use, when use may require that both hands operate
Or since structure limitation withdraw of the needle key is smaller, it is not easy to operator's gripping.
Utility model content
The utility model is directed to above-mentioned technical problem of the existing technology, provides a kind of structurally reasonable, easy to use
Blood collecting pen withdraw of the needle structure.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique:
A kind of withdraw of the needle structure of blood collecting pen mainly includes the axially hollow pen cap；It is equipped with guide sleeve in the pen cap, inner core, moves back
Needle inner core, withdraw of the needle key and elastic component；
Shim is radially equipped in the pen cap, the cutting plate will be divided into the first cavity and the second chamber inside the pen cap
Body；The through-hole two passed through for withdraw of the needle key is equipped in the junction of shim and the pen cap；The through-hole is second is that the circle coaxial with the pen cap
Arc-shaped through-hole；The guide post cooperated with withdraw of the needle key is equipped in the second cavity；
The guide sleeve and first cavity are socketed；Inner core includes the needle stand portion for installing blood taking needle, and needle stand portion end connects
It is connected to the interior core arms for being arranged elastic component；The needle stand portion is located in the guide sleeve, and the interior core arms penetrates through the first cavity
With the second cavity；The needle stand portion, which extends radially outside out, is parallel to the first radial chuck, and the interior core arms outer radial is prolonged
Stretching is parallel to the second radial chuck, and first chuck and the second chuck are located in the first cavity；
The withdraw of the needle inner core is set as " L " type, and the withdraw of the needle inner core includes the tongue for being parallel to pen cap axial direction；Tongue end
Vertical is equipped with hanging platform, and the hanging platform moves axially between the first chuck and the second chuck；
The withdraw of the needle key is set as cavity open at one end, and the closed end of cavity is the pressing on the outside of the second cavity
Face；The open end of withdraw of the needle key axially extends protrusion, and the protrusion, which is equipped with, to be cooperated with the guide post, withdraw of the needle key can be made to exist
The guide groove three rotated when moving axially to certain distance；
The block piece for preventing elastic component from deviating from is arranged in the interior core arms；The block piece is intracorporal including being located at the second chamber
Block piece one and block piece two；
The elastic component includes the transmitting spring, reset spring one and reset spring being sequentially sleeved in the interior core arms
Two；The transmitting spring is limited between second chuck and the shim；The reset spring one is located at shim
Between the block piece one；The reset spring two is located between the block piece one and the block piece two；
In the assembled condition, for through-hole two described in the guide post face in circumferential one end, the withdraw of the needle inner core face is logical
Hole two is in the circumferential other end.
Further, the guide groove three includes the leading portion extended from withdraw of the needle key inner wall, extends from withdraw of the needle key outer wall
Back segment；It is attached between the leading portion and back segment by spiral rotating portion；It the top surface of the leading portion can be with the bottom surface of withdraw of the needle inner core
It abuts.
Further, the central angle of the through-hole two is α；α=110.
Further, the spiral rotating portion is β, β=35 ° in the rotation angle of circumferencial direction.
Further, the shim is equipped with the through-hole one passed through for inner core；It is equipped with and leads in first cavity inner wall
To the positioning bar of set cooperation；The locating slot cooperated with positioning bar is equipped in guide sleeve outer wall.
Further, guiding rib one and guide groove one are equipped in guide sleeve inner wall；Lateral surface in the needle stand portion, which is equipped with, leads
To slot two and guiding rib two；The guiding rib one and two grafting of guide groove；The guide groove one is inserted with the guiding rib two
It connects.
Further, adjusting set is equipped in guide sleeve outer sheath；The inside of the adjusting set, which is equipped with, passes through the needle stand portion
Through-hole seven；The bottom of adjusting set is abutted with the top surface of guide groove two.
Further, the adjusting set outer wall is equipped with the helicla flute with guide sleeve assembly；Helicla flute and adjusting set
Blind slot is equipped between bottom surface；The guide sleeve, which is equipped with, matches the limiting stand shared with blind slot and helicla flute.
The utility model has the advantages and positive effects of:
The withdraw of the needle structure of the utility model uses rotatable withdraw of the needle key, and the tail end of withdraw of the needle key is press surface, not only
The setting of tail cap is eliminated, and after firing withdraw of the needle key, the structure of the rotatable positioning of withdraw of the needle key can press to avoid before blood sampling
When contracting transmitting spring, inner core axial movement forces withdraw of the needle key to push away blood taking needle the case where falling, and security performance is more preferable.
In addition, the withdraw of the needle structure of the utility model makes blood sampling and withdraw of the needle process coherent, and it is easy to operate, effectively avoid
Security risk caused by the common blood collecting pen withdraw of the needle is inconvenient.
Compared with prior art, the utility model has safety and sanitation, avoids cross contamination, is simple and compact for structure, operation
The advantages that convenience, stable connection, wide use scope, can be widely applied to health care health industry.
Detailed description of the invention
Fig. 1 is the main view of the withdraw of the needle structure after the preferred embodiment in the utility model assembly；
Fig. 2 is the N-N of Fig. 1 to cross-sectional view；
Fig. 3 is the T-T of Fig. 1 to cross-sectional view；
Fig. 4 is the elevational cross-sectional view of the preferred embodiment in the utility model pen cap；
Fig. 5 is the right view of Fig. 4；
Fig. 6 is the perspective view of the guide sleeve of the preferred embodiment in the utility model；
Fig. 7 is the top view of the guide sleeve of the preferred embodiment in the utility model；
Fig. 8 is the perspective view of the preferred embodiment in the utility model inner core；
Fig. 9 is the perspective view of the preferred embodiment in the utility model withdraw of the needle inner core；
Figure 10 is the main view of the preferred embodiment in the utility model withdraw of the needle key；
Figure 11 is the perspective view of the preferred embodiment in the utility model baffle one；
Figure 12 is the perspective view of the preferred embodiment in the utility model baffle two；
Figure 13 is the perspective view of the preferred embodiment in the utility model adjusting set；
Figure 14 is the cross-sectional view of the components of the preferred embodiment in the utility model；
Figure 15 is the cross-sectional view of the pen cap component of the preferred embodiment in the utility model；
Wherein:
1, the pen cap；11, shim；111, through-hole one；112, through-hole two；12, the first cavity；121, positioning bar；13, second
Cavity；131, guide post；
2, guide sleeve；21, through-hole three；22, positioning table；23, locating slot；24, guiding rib one；25, guide groove one；26, it limits
Position platform；
3, inner core；31, needle stand portion；311, through-hole four；312, guide groove two；312a, limit rib；313, guiding rib two；
314, the first chuck；32, interior core arms；321, the second chuck；322, it is open；
4, withdraw of the needle inner core；41, tongue；42, hanging platform；
5, withdraw of the needle key；51, raised；511, guide groove three；511a, leading portion；511b, spiral rotating portion；511c, back segment；
6, elastic component；61, emit spring；62, reset spring one；63, reset spring two；
7, block piece；71, block piece one；711, through-hole five；72, block piece two；721, through-hole six；
8, adjusting set；81, blind slot；82, helicla flute.
Specific embodiment
For the utility model content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows:
Fig. 1 is please referred to Figure 15:
A kind of withdraw of the needle structure of blood collecting pen mainly includes the axially hollow pen cap 1；Guide sleeve 2, inner core are equipped in the pen cap 1
3, withdraw of the needle inner core 4, withdraw of the needle key 5 and elastic component 6；
As shown in Figure 4, Figure 5, the shim 11 for controlling 6 position of elastic component is radially equipped in the pen cap 1, it is described
Cutting plate will be divided into the first cavity 12 and the second cavity 13 inside the pen cap 1；It is equipped on the shim 11 and passes through for inner core 3
Through-hole 1 is equipped with the through-hole 2 112 passed through for withdraw of the needle key 5 in the junction of shim 11 and the pen cap 1；The through-hole 2 112
It is the arc-shaped through-hole coaxial with the pen cap 1；The positioning bar 121 cooperated with guide sleeve 2 is equipped in 12 inner wall of the first cavity；?
The guide post 131 cooperated with withdraw of the needle key 5 is equipped in second cavity 13.
As shown in Figure 6, Figure 7, the guide sleeve 2 is socketed with first cavity 12；It is equipped with inside guide sleeve 2 described in can making
The through-hole 3 21 that inner core 3 passes through；Several location structures one with 1 connection of the pen cap are equipped in 2 outer wall of guide sleeve；The positioning knot
Structure one includes positioning table 22 and locating slot 23；The positioning table 22 engages with 1 front end face of the pen cap；The locating slot 23 with it is described fixed
Position muscle 121 cooperates；It is equipped with the location structure two cooperated with inner core 3 in the inner wall of guide sleeve 2, the location structure two includes guiding
Muscle 1 and guide groove 1；The guiding rib 1 and guide groove 1 and inner core 3 cooperate；Preferably, the guiding rib one
24 be two, the axially opposed setting in guide sleeve 2 of two guiding ribs 1；
As shown in figure 8, the inner core 3 is provided with the needle stand portion 31 for installing blood taking needle, 31 end of needle stand portion connects
It is connected to the interior core arms 32 for being arranged elastic component 6；Needle stand portion 31 is axially arranged with through-hole 4 311 and passes through for withdraw of the needle inner core 4；Described
The lateral surface in needle stand portion 31 is equipped with the guide frame two cooperated with the location structure two；The guide frame two includes and guiding
The guide groove 2 312 that muscle 1 cooperates and the guiding rib 2 313 cooperated with guide groove 1；31 outer radial of needle stand portion is prolonged
Stretching is parallel to the first radial chuck 314, and the interior core arms 32, which extends radially outside out, is parallel to the second radial chuck
321, first chuck 314 and the second chuck 321 are located in the first cavity 12；Between first chuck 314 and the second chuck 321
Equipped with the opening 322 being connected to the through-hole 4 311；The elastic component 6 is sleeved in the interior core arms 32, it is preferred that described
The lower end surface of second chuck 321 is engaged with the elastic component 6；The end of the interior core arms 32 is equipped with the hangnail of intermediate bifurcated
Shape hanging platform；
As shown in figure 9, the withdraw of the needle inner core 4 is set as " L " type, the withdraw of the needle inner core 4 includes being parallel to 1 axial direction of the pen cap
Tongue 41；41 ending vertical of tongue is equipped with hanging platform 42, the hanging platform 42 axis between the first chuck 314 and the second chuck 321
To movement.
As shown in Figure 10, the withdraw of the needle key 5 is set as cavity open at one end, and the closed end of cavity is to be located at the second cavity
The press surface in 13 outsides；The open end of withdraw of the needle key 5 axially extends protrusion 51, described raised 51 and is equipped with and the guide post
131 cooperations, the guide groove 3 511 that withdraw of the needle key 5 can be made to rotate when moving axially certain distance；Preferably, described to lead
It include the leading portion 511a extended from 5 inner wall of withdraw of the needle key, the back segment 511c extended from 5 outer wall of withdraw of the needle key to slot 3 511；It is described
It is attached between leading portion 511a and back segment 511c by spiral rotating portion 511b；It the top surface of the leading portion 511a can be with withdraw of the needle inner core
4 bottom surface abuts；The 13 inner wall sliding contact of the second cavity of the withdraw of the needle key 5 and the pen cap 1.
As shown in figure 3, in the assembled condition, through-hole 2 112 described in 131 face of guide post is in circumferential one end, institute
4 face through-hole 2 112 of withdraw of the needle inner core is stated at the circumferential other end, i.e., the top of the described withdraw of the needle key 5 and the bottom of the withdraw of the needle inner core 4
Face is circumferentially staggered before withdraw of the needle key 5 carries out moving in rotation；And in the withdraw of the needle with the axial advancement of withdraw of the needle key 5, guiding
Column 131 forces withdraw of the needle key 5 to be rotated along the guide track of spiral rotating portion 511b, in rotary course withdraw of the needle key 5 gradually from
One end of through-hole 2 112 is slid onto the other end of face withdraw of the needle inner core 4.Compared to the withdraw of the needle key 5 before the withdraw of the needle top surface with regard to face
Withdraw of the needle inner core 4, the utility model set the guide groove 3 511 of withdraw of the needle key 5 to the structure of rotatable positioning, can be to avoid adopting
Before blood when compressed transmissions spring 61, inner core 3 forces withdraw of the needle key 5 that blood taking needle is pushed away the case where falling when moving axially.
As shown in Figure 11,12, it is preferred that the block piece 7 for preventing elastic component 6 from deviating from is arranged in interior 32 end of core arms；
The block piece 7 includes the block piece 1 and block piece 2 72 being located in the second cavity 13；The block piece 1 is set as open at one end
Circular cylindrical cavity, the bottom of the block piece 1 is provided with the through-hole 5 711 for passing through interior core arms 32.The block piece 2 72 is arranged
For round sheet body, it is internally provided with the "-" type through-hole 6 721 that barb-shaped hanging platform 42 can be made to pass through.
The elastic component 6 includes transmitting spring 61, the reset spring 1, reset spring being set in the interior core arms 32
2 63；The transmitting spring 61 is limited between second chuck 321 and the shim 11；The reset spring 1
It is located between shim 11 and the block piece 1, specifically, the end of reset spring 1 enters the cylinder of block piece 1
Inside cavity；The reset spring 2 63 is located between the block piece 1 and the block piece 2 72；
As shown in figure 13, it is preferred that inner core 3 generates axial movement in the withdraw of the needle in order to prevent, is arranged on the outside of guide sleeve 2
There is adjusting set 8；The inside of the adjusting set 8 is equipped with the through-hole seven for passing through the needle stand portion 31；The bottom of adjusting set 8 and inner core
3 guide groove 2 312 abuts；Preferably, 8 outer wall of adjusting set is equipped with the helicla flute 82 with 2 assembly of guide sleeve；Spiral
Blind slot 81 is equipped between slot 82 and the bottom surface of adjusting set 8；Preferably, the blind slot 81 is two, is located at the phase of 8 outer wall of adjusting set
Opposite side.The guide sleeve 2, which is equipped with to match with blind slot 81 and helicla flute 82, shares limiting stand 26；The limiting stand 26 passes through blind slot 81
Into helicla flute 82, then the position adjustment of adjusting set 8 is realized in the rotation by limiting stand 26 in helicla flute 82.
Preferably, each guide groove 2 312 is made of two limit rib 312a, and the guiding rib 1 can be with grafting
Between two limit rib 312a；The end face that limit rib 312a is directed toward blood sampling site is equipped with confined planes one, the confined planes
One controls 3 axial internal clearance of inner core with the bottom surface of the adjusting set 8.
Preferably, the central angle of the through-hole 2 112 is α；Rotation angle of the spiral rotating portion 511b in circumferencial direction
Degree is β；Preferably, α=110 °, β=35 °；
A method of the withdraw of the needle structure of above-mentioned blood collecting pen is assembled, comprising the following steps:
S1, assembling 3 component of inner core: the withdraw of the needle inner core 4 is introduced into hanging platform 42, being sequentially inserted into of entering after tongue 41
The inner core 3, specifically: the withdraw of the needle inner core 4 is entirely insertable in through-hole 4 311, makes the hanging platform 42 can be in the first chuck
314 and second move axially between chuck 321；Inner core is set to by spring 61 is emitted by the reversed acanthoid hanging platform of the interior core arms 32
On arm 32, contact the one end for emitting spring 61 with the bottom end of second hanging platform 42；What is assembled is as shown in figure 14
Components；
S2, the first cavity 12 of the guide sleeve 2 and the pen cap 1 is assembled, specifically: the positioning bar 121 is all inserted
Enter the locating slot 23, abuts the bottom surface of the positioning table 22 and the outer end face of first cavity 12；It obtains such as Figure 15
Pen cap component that is shown, assembling；
S3,3 component of inner core in S1 is assembled with 1 component of the pen cap in S2: first by core arms 32 within 3 component of inner core
The sequence entered after into, needle stand portion 31 is packed into the pen cap 1 at one end from guide sleeve 2, guide groove 2 312 and guiding when installation
One 24 grafting of muscle, guiding rib 2 313 and one 25 grafting of guide groove, then in core arms 32 pass through through-hole 1, reversed acanthoid hanging platform into
Enter in the second cavity 13, emits spring 61 at this time and be controlled between the second chuck 321 and shim 11；
S4, guide sleeve 2 mounted in S3 and the adjusting set 8 are assembled, specifically: the limiting stand 26 is inserted into institute
Blind slot 81 is stated until limiting stand 26 enters the helicla flute 82；
S5, it is successively inserted in interior core arms 32 from the open end of the second cavity 13 by reset spring 1 and block piece 1, and made
One end of reset spring 1 is abutted with shim 11, and the other end is abutted with the circular cylindrical cavity of block piece 1；Bullet will be resetted again
Spring 2 63 and block piece 2 72 are successively inserted in interior core arms 32.
S6, withdraw of the needle key 5 is packed into from the open end of the second cavity 13: guide groove 3 511 and the progress grafting of guide post 131 is straight
It is flushed to raised 51 top surface with the open end of the block piece 1.
Working principle:
After blood sampling, the press surface of withdraw of the needle key 5 is pressed, forces withdraw of the needle key 5 to move axially to 1 front end of the pen cap, guide groove
3 511 move along guide post 131；When guide post 131 touches spiral rotating portion 511b, with withdraw of the needle key 5 to continue forward
Axial movement, the cooperation of guide post 131 and spiral rotating portion 511b while withdraw of the needle key 5 moves axially so that circumferentially occur
Rotation, until guide post 131 is contacted with the bottom of the back segment 511c, hanging platform 42 described in one face of top surface of withdraw of the needle key 5 at this time
Bottom surface, be further continued for pressing withdraw of the needle key 5, withdraw of the needle key 5 can push withdraw of the needle inner core 4 to blood taking needle direction move axially, until moving back
Needle inner core 4, which pushes away blood taking needle from needle stand portion 31, to be fallen, completes withdraw of the needle movement, and reset spring 1 and reset spring 2 63 are pressed at this time
Contracting, later cancels pressing force, during reset spring 1 and reset spring 2 63 affranchise length, withdraw of the needle key 5
It is restored to original position.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is made according to the scope of application of this utility model equal
Deng variation and improvement etc., should all still return within the patent covering scope of the utility model.
Claims (8)
1. a kind of withdraw of the needle structure of blood collecting pen mainly includes the axially hollow pen cap (1)；Be equipped in the pen cap (1) guide sleeve (2),
Inner core (3), withdraw of the needle inner core (4), withdraw of the needle key (5) and elastic component (6)；
It is characterized by: being radially equipped with shim (11) in the pen cap (1), the shim (11) is internal by the pen cap (1)
It is divided into the first cavity (12) and the second cavity (13)；It is equipped in the junction of shim (11) and the pen cap (1) logical for withdraw of the needle key (5)
The through-hole two (112) crossed；The through-hole two (112) is the arc-shaped through-hole coaxial with the pen cap (1)；It is set in the second cavity (13)
There is the guide post (131) with withdraw of the needle key (5) cooperation；
The guide sleeve (2) and first cavity (12) are socketed；
The inner core (3) includes the needle stand portion (31) for installing blood taking needle, and needle stand portion (31) end is connected with for being arranged elastic component
(6) interior core arms (32)；The needle stand portion (31) is located in the guide sleeve (2), and the interior core arms (32) penetrates through the first cavity
(12) and the second cavity (13)；The needle stand portion (31), which extends radially outside out, is parallel to radial the first chuck (314), described
Interior core arms (32), which extends radially outside out, is parallel to radial the second chuck (321), first chuck (314) and the second chuck
(321) it is located in the first cavity (12)；
The withdraw of the needle inner core (4) is set as " L " type, and the withdraw of the needle inner core (4) includes the tongue for being parallel to the pen cap (1) axial direction
(41)；Tongue (41) ending vertical is equipped with hanging platform (42), and the hanging platform (42) is in the first chuck (314) and the second chuck
(321) it is moved axially between；
The withdraw of the needle key (5) is set as cavity open at one end, and the closed end of cavity is pressing on the outside of the second cavity (13)
Pressure surface；The open end of withdraw of the needle key (5) axially extends raised (51), and the protrusion (51) is equipped with and the guide post
(131) cooperate, withdraw of the needle key (5) can be made to move axially the guide groove three (511) rotated when certain distance；
The block piece (7) for preventing elastic component (6) from deviating from is arranged on the interior core arms (32)；The block piece (7) includes being located at the
Block piece one (71) and block piece two (72) in two cavitys (13)；
The elastic component (6) includes transmitting spring (61), the reset spring one (62) being sequentially sleeved on the interior core arms (32)
With reset spring two (63)；The transmitting spring (61) be limited in second chuck (321) and the shim (11) it
Between；The reset spring one (62) is located between shim (11) and the block piece one (71)；The reset spring two (63) sets
Between the block piece one (71) and the block piece two (72)；
In the assembled condition, through-hole two (112) described in guide post (131) face is in circumferential one end, the withdraw of the needle inner core
(4) face through-hole two (112) is in the circumferential other end.
2. the withdraw of the needle structure of blood collecting pen as described in claim 1, it is characterised in that: the guide groove three (511) includes from moving back
Leading portion (511a) that needle key (5) inner wall extends, the back segment (511c) extended from withdraw of the needle key (5) outer wall；The leading portion
It is attached between (511a) and back segment (511c) by spiral rotating portion (511b)；The top surface of the leading portion (511a) can be with the withdraw of the needle
The bottom surface of inner core (4) abuts.
3. the withdraw of the needle structure of blood collecting pen as claimed in claim 2, it is characterised in that: the central angle of the through-hole two (112) is
α；α=110 °.
4. the withdraw of the needle structure of blood collecting pen as claimed in claim 3, it is characterised in that: the spiral rotating portion (511b) is in circumference
The rotation angle in direction is β, β=35 °.
5. the withdraw of the needle structure of blood collecting pen as described in claim 1, it is characterised in that: the shim (11) is equipped with for inner core
(3) through-hole one (111) passed through；The positioning bar (121) cooperated with guide sleeve (2) is equipped in the first cavity (12) inner wall；
The locating slot (23) cooperated with positioning bar (121) is equipped in guide sleeve (2) outer wall.
6. the withdraw of the needle structure of blood collecting pen as described in claim 1, it is characterised in that: be equipped with guiding rib in guide sleeve (2) inner wall
One (24) and guide groove one (25)；Guide groove two (312) and guiding rib two are equipped in the lateral surface of the needle stand portion (31)
(313)；The guiding rib one (24) and guide groove two (312) grafting；The guide groove one (25) and the guiding rib two
(313) grafting.
7. the withdraw of the needle structure of blood collecting pen as described in claim 1, it is characterised in that: be equipped with and adjust in guide sleeve (2) outer sheath
It covers (8)；The inside of the adjusting set (8) is equipped with the through-hole seven for passing through the needle stand portion (31)；The bottom of adjusting set (8) with lead
It is abutted to the top surface of slot two (312).
8. the withdraw of the needle structure of blood collecting pen as claimed in claim 7, it is characterised in that: adjusting set (8) outer wall be equipped with
The helicla flute (81) of guide sleeve (2) assembly；Blind slot (82) are equipped between helicla flute (81) and the bottom surface of adjusting set (8)；It is described
Guide sleeve (2), which is equipped with, matches the limiting stand (26) shared with blind slot (82) and helicla flute (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191968.7U CN208892603U (en) | 2018-07-25 | 2018-07-25 | A kind of withdraw of the needle structure of blood collecting pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191968.7U CN208892603U (en) | 2018-07-25 | 2018-07-25 | A kind of withdraw of the needle structure of blood collecting pen |
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| Publication Number | Publication Date |
|---|---|
| CN208892603U true CN208892603U (en) | 2019-05-24 |
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| CN201821191968.7U Active CN208892603U (en) | 2018-07-25 | 2018-07-25 | A kind of withdraw of the needle structure of blood collecting pen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075387A (en) * | 2019-06-10 | 2019-08-02 | 河南驼人医疗器械集团有限公司 | A kind of anti-needle thorn remaining needle of observable withdraw of the needle distance |
| CN111528861A (en) * | 2020-05-12 | 2020-08-14 | 普昂(杭州)医疗科技有限公司 | Emission rod with offset emission pair motion central shaft and safety hemostix |
| CN110075387B (en) * | 2019-06-10 | 2024-06-07 | 河南驼人医疗器械集团有限公司 | Needle-prick-preventing remaining needle capable of observing needle withdrawal distance |
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2018
- 2018-07-25 CN CN201821191968.7U patent/CN208892603U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075387A (en) * | 2019-06-10 | 2019-08-02 | 河南驼人医疗器械集团有限公司 | A kind of anti-needle thorn remaining needle of observable withdraw of the needle distance |
| CN110075387B (en) * | 2019-06-10 | 2024-06-07 | 河南驼人医疗器械集团有限公司 | Needle-prick-preventing remaining needle capable of observing needle withdrawal distance |
| CN111528861A (en) * | 2020-05-12 | 2020-08-14 | 普昂(杭州)医疗科技有限公司 | Emission rod with offset emission pair motion central shaft and safety hemostix |
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