CN2579344Y - Improved schbil disposable adjustable safety autoamtic blood taking needle - Google Patents

Improved schbil disposable adjustable safety autoamtic blood taking needle Download PDF

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Publication number
CN2579344Y
CN2579344Y CN 02286472 CN02286472U CN2579344Y CN 2579344 Y CN2579344 Y CN 2579344Y CN 02286472 CN02286472 CN 02286472 CN 02286472 U CN02286472 U CN 02286472U CN 2579344 Y CN2579344 Y CN 2579344Y
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shooting
overcoat
taking needle
blood taking
push away
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CN 02286472
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Chinese (zh)
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施国平
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Individual
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Individual
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Abstract

The utility model relates to an improved schbil disposable safety automatic blood taking needle, which comprises an outer sleeve, a tail cover, a needle core, a spring, a pushing emitter, a regulating head and a cover cap. The utility model is characterized in that a shooting guide structure which is formed by the cooperation of a guide plate and a sliding groove is arranged among both sides of the needle core and a shooting cavity of the pushing emitter. A range space limiting structure is arranged on one side wall of the shooting cavity of the pushing emitter, and the cooperation of the space limiting structure and the regulating head can effectively control the depth of needling. The top part of a locking side ear of the needle core is provided with a restraining surface, and the restraining surface can effectively prevent the needle core from running up and restoring position. The center of a cover cap is provided with a detecting rod which can judge the assembly and the state of the needle core. In a word, on the basis of an original schbil disposable adjustable safety automatic blood taking needle, many improvements are made in the utility model to make the performance aspects of an assembled structure, reliability, safety, shooting hand feel, etc., further improved. A product becomes more perfect and maturer.

Description

Modified model is executed Bill's disposable adjustable safety automatic blood-taking needle
Technical field
This utility model relates to a kind of medical blood-sampling needle device, particularly a kind of " mini " disposable safe automatic blood-taking needle that carries ejection structure.
Background technology
" mini " blood taking needle is as a kind of new type of safe instrument of taking a blood sample automatically, and, safety small and exquisite, convenient, fast with it is the favor that characteristic is subjected to medical personnel and patient very much.
The applicant had once submitted the utility application of " mini " blood taking needle to State Intellectual Property Office November 12 calendar year 2001, this application is authorized on October 16th, 2002 bulletin after examining, its Granted publication number is CN2516098Y, the patent No. is 01266579.7, and name is called " executing Bill's disposable safe automatic blood-taking needle ".This patent comprises a cylindrical outer casing, nook closing member, spring, sliding sleeve, the sealing of shell one end, the other end opens wide, and blind end extends two elastic arms towards open end, nook closing member is between two elastic arms, two elastic arms are not held and inwardly are arranged with grab, and needle handle is provided with grab, and spring is located between needle handle and the blind end, sliding sleeve is located in the shell, the one end stretches out from uncovered, and the other end to elastic arm is not held, and forces elastic arm not held to both sides by the inclined-plane to separate.In order to make the shooting depth-adjustment, sliding sleeve is provided with the adjusting head, and regulating head anterior is the end face of taking pin hole out of, and the rear portion is a stack shell, and stack shell is connected with a rotary positioning structure by a helical structure simultaneously with the sliding sleeve socket.When direction of present dynasty was rotated and regulated, rotary positioning structure makes to be regulated head and is intermittent and rotates, and sends click click gear sound simultaneously, and helical structure moves needle outlet vertically, thereby regulates the needle point protruded length.Above-mentioned patent is owing to carry ejection structure, and volume is little, compact conformation, and overall time uses safe and convenient, therefore has stronger market development potentiality.But introduce to the market not only as a kind of approved product and will consider its overall performance and effect, but also will further weigh each thin portion structural design, to expect optimized resultant effect.For this reason, this utility model from the optimal design angle provide a kind of assembly structure rationally, reliable operation, the shooting feel is better and modified model stable performance is executed Bill's disposable adjustable safety automatic blood-taking needle.
Summary of the invention
For achieving the above object, the technical solution adopted in the utility model is: a kind of modified model is executed Bill's disposable adjustable safety automatic blood-taking needle, and its structure is:
An overcoat and a tail-hood constitute cylindrical outer casing, and tail-hood end in overcoat extends two elasticity cards, and the other end has an aperture;
A nook closing member is between two elasticity cards, and two elasticity cards are not held and inwardly are arranged with hook, and correspondence is provided with and picks up the ears on the nook closing member;
A shooting spring is located between nook closing member afterbody and the tail-hood;
One pushes away and sends out device and slide and be located in the overcoat, pushes away to send out corresponding two the elasticity cards of device and do not hold head-on to be provided with and force it to isolating inclined-plane, both sides or cone structure, and its center is provided with the shooting chamber;
One adjusting head is located to push away sends out a device head, regulating a front portion is an end face, and end face central authorities are provided with needle outlet, and the rear portion is inserted into to push away and sends out in the device shooting chamber, and link to each other with a rotary positioning structure by a helical structure, constitute with this and can intermittently rotate the localized structure that moves axially;
Its improvements are:
The nook closing member lateral symmetry is provided with the slide-and-guide plate, pushes away both sides, the shooting chamber correspondence of sending out device and is provided with chute, and guide plate cooperates with chute and forms the shooting guide frame, and the clip structure of this guide frame and the formation of elasticity card is the decussation layout overlooking under the state;
Push away the shooting chamber sidewall of sending out device and be provided with the range position limiting structure, this range position limiting structure cooperates the perverse depth adjustment controlling organization of formation pin with the adjusting head;
The spacing of hook under free state on two elasticity cards is less than the two lateral extension width of picking up the ears, and the top of picking up the ears is provided with a blocking surface, this blocking surface constitutes disposable shooting structure cooperating formation one to prevent the structure of horizontal reset on the nook closing member with the hook bottom after the shooting with this.
Related content and change interpretation in the technique scheme are as follows:
1, in the such scheme, described " nook closing member " is meant the member of band needle body, comprises needle handle and the needle body that is located on the needle handle.Described " push away and send out device " is equivalent to sliding sleeve of the prior art.Described " elasticity card " is elastic arm of the prior art.Described " tail-hood " is end cap of the prior art.Described " overcoat " is shell of the prior art.
2, in the such scheme, described " pushing away a device slip is located in the overcoat " its connotation: the one, push away to send out in the device conduct being set in the overcoat; The 2nd, push away and send out the relative overcoat of device and can only be in axial sliding, can not rotate relatively, otherwise the rotation of regulating head regulates and can't realize, such as adopting non-circular jacket structure.
3, in the such scheme; in order to detect the nook closing member lock-out state and to play the safeguard protection effect; described overcoat front portion is provided with a block; block is enclosed within the overcoat front portion; its central authorities establish a test rod, and this test rod front end is provided with a stomidium, and the front end position of nook closing member is provided with an axle journal; block is under the preshot confined state, and test rod inserts needle outlet and the hole, go side cooperates with axle journal.
4, in the such scheme, described range position limiting structure is made of the set end face in chute the place ahead, and guide plate slides along chute when nook closing member is shot, and stops behind the chance end face, and this moment, nook closing member was a maximum range.Also can shoot set limited block on the sidewall of chamber, the mode of employing limited block limits the range of nook closing member.
5, in the such scheme, described helical structure is a kind of axially movable structure that produces simultaneously in relative rotation, specifically comprises following two kinds of variation schemes:
1., helical structure cooperates with projection by helicla flute and constitutes, in helicla flute and the projection, one is located to push away and sends out on the device, another is located on the outer rim of regulating back of head, the relative plug-in mounting face of projection is oblique guide surface.Helicla flute can replace with one section oblique groove of offering, like this can simplified manufacturing technique.Helicla flute and projection are provided with the position in this programme two kinds of combinations, and the one, helicla flute is located to be regulated on the head, and projection is located to push away and sends out on the device; The 2nd, helicla flute is located to push away and sends out on the device, and projection is located on the adjusting head.Set oblique guide surface effect is to make assembling convenient on the projection, and not fragile projection cube structure.
2., helical structure cooperates with external screw thread by female thread and constitutes, in female thread and the external screw thread, one is located to push away and sends out on the device, another is located on the outer rim of regulating back of head.Here it is emphasized which member female thread and external screw thread are located on, with this member be that interior cover or overcoat have substantial connection, in other words, female thread always is provided in a side of on the outer casing component, and external screw thread always be provided in a side of in the cover member on.If pushing away and sending out device is overcoat, then female thread should be located to push away and send out on the device, and external screw thread is located on the adjusting head, and is as the same on the contrary.
The equivalence variation of having done on the basis of above two kinds of schemes is also included within this programme.
6, in the such scheme, described rotary positioning structure is that the adjusting head rotates and move axially a kind of gear structure in the process, specifically comprises following two kinds of variation schemes:
1., rotary positioning structure cooperates with projection by the groove that is provided with along circumferentially being separated by and constituting, groove and projection be among both, one is located at and pushes away on the device, another is located on the outer rim of adjusting back of head.There are two kinds of combinations at the position that is provided with of groove and projection in this programme, and the one, groove is located to push away and sends out on the device, and projection is located on the adjusting head; The 2nd, exchange setting.
2., rotary positioning structure cooperates and constituted by regular polygon profile and projection, regular polygon profile and projection be among both, one is located to push away and sends out on the device, another is located on the outer rim of adjusting back of head.Described regular polygon profile comprises regular polygon outer margin contour and two kinds of situations of inner edge profile, when regular polygon adopts the inner edge profile to cooperate with projection, it should be located to push away and send out on the device, when regular polygon adopts outer margin contour to cooperate with projection, it should be located at and regulate on the head.
7, in the such scheme, have good clamping force in order to make between two elasticity cards, oblique symmetry is extended two elasticity cards on the tail-hood, and two elasticity are stuck in and are inverted cone-shaped structure in the vertical section.For the assembling that makes tail-hood and overcoat not only simply but also reliable, on the lateral surface of two elasticity card roots, be provided with barbed body, the set groove in this barbed body and overcoat corresponding position forms fixedly assembly structure.
8, in the such scheme, overcoat is the rectangular sleeve structure, and the thickness of two elasticity card roots on the tail-hood is greater than end, and the width of root and the width of overcoat match, and constitute guide-localization structure in the assembling with this.The elasticity card has good intensity on the one hand like this, can also play the guide-localization effect on the other hand when assembling with overcoat.
9, in the such scheme, plug in holddown groove for tail-hood easy to assembly is provided with side on the position of corresponding spring, spring root side is inserted in the holddown groove.
This utility model operation principle is: before blood taking needle used, two elasticity cartoons were crossed hook and are blocked picking up the ears of nook closing member, and spring is compressed, and nook closing member is in battery.As long as pull out block during use, pinch the needle outlet that overcoat will regulate on the head with finger and aim at the direct pressing of blood sampling site, pushing away a device this moment tries hard to recommend on the overcoat inner chamber of moving lower edge sliding outside, push away and send out an inclined-plane, device upper end and two elasticity cards are not held to both sides pushed open, so link up with and pick up the ears to free, spring promotes nook closing member and shoots downwards along guide frame, and needle point penetrates needle outlet and stabs blood sampling site.Nook closing member guide plate in shooting course is obstructed when chute slides into endface position (being the lower end extreme position this moment), and spring drives the nook closing member retraction again.Owing to the effect of blocking surface, nook closing member can not return to original battery, and therefore shooting back nook closing member loses the possibility of emission again, and needle point plant shooting intracavity can not expose from needle outlet yet.Regulate the degree of depth of taking a blood sample if desired, then after pulling out block, can utilize and regulate head and push away the helical structure of sending out between the device, rotate the adjusting head and make the relative lower end of needle outlet extreme position produce axial displacement, thereby regulate the shooting degree of depth.And rotary positioning structure can be distinguished different gears, makes to rotate to regulate to be intermittently state, sends the stridulation of click click simultaneously, so that user is better grasped the adjusting degree of depth.
Because the technique scheme utilization, this programme compared with prior art has following advantage and effect:
1, nook closing member is sent out the chute of device by both sides and is connected with guide plate with pushing away, and makes the shooting guidance quality of nook closing member better, so shoots more reliably, and feel is better.By contrast, prior art shooting guidance quality is relatively poor.
2, the chute the place ahead that pushes away in the shooting chamber of sending out device is provided with the stop bit point that the spacing end face of range (also can on the sidewall of shooting chamber the effect that limited block replaces spacing end face be set) constitutes, and this structure cooperates with the adjusting head can effectively control the blood sampling degree of depth.And in the prior art, do not have the range control structure.
3, the top of picking up the ears of nook closing member is provided with a blocking surface, this blocking surface is cooperating formation one to prevent the structure of horizontal reset on the nook closing member with the hook bottom after the shooting, can guarantee so can not get back to lock-out state once more after the nook closing member emission, lose the possibility of emission again, become real disposable shooting structure.
4, be provided with test rod in the block; this test rod can effectively detect the nook closing member lock-out state simultaneously at the block suit; if find before using the block position not to or do not adorn; can judge that then nook closing member has been in emission back state; therefore test rod not only has the effect of protection needle point, but also has detection effect.
5, will regulate head and send out that the relative plug-in mounting face of projection in the set helical structure changes the design of oblique guide surface between the device with pushing away, guiding owing to oblique guide surface is easy in card and the helicla flute when regulating the head assembling like this, has overcome often to damage the phenomenon that projection causes member to be scrapped when assembling in the past.
6, two oblique being symmetrical arranged of Spring Card on the tail-hood make the hook of Spring Card between not holding have certain chucking power when the locking nook closing member, can further improve the reliability of locking like this, product is used before the long-term lock-out state that keeps.
7, the thickness of two elasticity card roots on the tail-hood is big, and toward not holding thickness to diminish gradually, and the width of elasticity card root and the width of overcoat match, and the elasticity card has good intensity on the one hand like this, can also play the guide-localization effect on the other hand when assembling with overcoat.
8, on the lateral surface of two elasticity card roots, be provided with barbed body, the groove that the overcoat corresponding position is set, as long as will insert the also suitable pressing tail-hood of overcoat when assembling like this with the tail-hood of elasticity card just fixedly connected with overcoat, this structure can effectively help assembling, and assembling back tail-hood can't be deviate from overcoat, reliability in having guaranteed to use is avoided slipping up.
9, the spring base on the tail-hood is designed to side and inserts fixed slot configurations, can make the spring assembling convenient like this, further improve work efficiency.
In a word, this utility model has been done many improvement on the original Bill's of executing disposable adjustable safety automatic blood-taking needle basis, and making it has further raising at aspect of performances such as assembly structure, reliability, safety and shooting feels, and it is perfect more ripe that product becomes.
Description of drawings
Accompanying drawing 1 is this utility model example structure cutaway view, and this figure is the assembly structure of state before using;
Accompanying drawing 2 is this utility model example structure cutaway view, and this figure is the assembly structure when removing block before using;
Accompanying drawing 3 is this utility model example structure, the assembly structure of state when this figure is emission;
Accompanying drawing 4 is this utility model example structure, and this figure is the assembly structure of state after use;
Accompanying drawing 5 is sent out the device front view for this utility model embodiment pushes away;
Accompanying drawing 6 is the vertical view of Fig. 5;
Accompanying drawing 7 is the left view of Fig. 5;
Accompanying drawing 8 is regulated a front view for this utility model embodiment;
Accompanying drawing 9 is the left view of Fig. 8;
Accompanying drawing 10 is this utility model embodiment nook closing member front view;
Accompanying drawing 11 is the right view of Figure 10;
Accompanying drawing 12 is the left view of Figure 10;
Accompanying drawing 13 is the vertical view of Figure 10.
In the above accompanying drawing: 1, overcoat; 2, tail-hood; 3, elasticity card; 4, nook closing member; 5, hook; 6, pick up the ears; 7, spring; 8, push away a device; 9, inclined-plane; 10, regulate head; 11, end face; 12, needle outlet; 13, guide plate; 14, chute; 15, spacing end face; 16, block; 17, test rod; 18, axle item; 19, helicla flute; 20, projection; 21, oblique guide surface; 22, barbed body; 13, groove; 24, holddown groove; 25, groove; 26, projection; 27, blocking surface.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described:
Embodiment: shown in accompanying drawing 1~accompanying drawing 13, a kind of modified model is executed Bill's disposable safe automatic blood-taking needle, by overcoat 1, tail-hood 2, nook closing member 4, spring 7, push away and send out a device 8, regulate 10 and block a shot and 16 form.Overcoat 1 and tail-hood 2 constitute cylindrical outer casing, and tail-hood 2 end in overcoat 1 extends two elasticity cards 3, and the other end has an aperture.Two elasticity cards, 3 oblique symmetries on the tail-hood 2 and be inverted cone-shaped structure in the vertical section, the lateral surface of elasticity card 3 roots is provided with barbed body 22, and the set groove 23 in this barbed body 22 and overcoat 1 corresponding position forms fixedly assembly structure.Overcoat 1 is the rectangular sleeve structure, and the thickness of two elasticity card 3 roots on the tail-hood 2 is greater than end, and the width of the width of root and overcoat 1 matches, and constitutes guide-localization structure in the assembling with this.Nook closing member 4 is between two elasticity cards 3, and two elasticity cards 3 are not held and inwardly are arranged with hook 5, and correspondence is provided with and picks up the ears 6 on the nook closing member 4.Shooting spring 7 is located between nook closing member 4 afterbodys and the tail-hood 2, and wherein tail-hood 2 is provided with side and plugs in holddown groove 24 on the position of corresponding spring 7, distolateral being inserted in the holddown groove 24 of spring 7, and the other end of spring 7 is fixed on the bayonet socket of nook closing member 4 afterbodys.Push away a device 8 slips and be located in the overcoat 1, its front end stretches out from overcoat 1, can only be in axial sliding but push away device 8 a relative overcoat 1, can not rotate relatively.Push away and send out device 8 corresponding two elasticity cards 3 and hold head-on to be provided with and force it to isolating inclined-plane 9, both sides, its center is for shooting the chamber.Regulating 10 is located to push away and sends out device 8 heads, regulating 10 front portion is an end face 11, and end face 11 central authorities are provided with needle outlet 12, and the rear portion is inserted into to push away and sends out in the device 8 shooting chambeies, and link to each other with a rotary positioning structure by a helical structure, constitute with this and can intermittently rotate the localized structure that moves axially.Nook closing member 4 lateral symmetry are provided with slide-and-guide plate 13, push away both sides, the shooting chamber correspondence of sending out device 8 and be provided with chute 14, guide plate 13 cooperates with chute 14 and forms the shooting guide frame, and the clip structure that this guide frame and elasticity card 3 form is the decussation layout overlooking under the state.Push away chute 14 the place aheads of sending out device 8 and be provided with the spacing end face 15 of range, when chute 14 slides, meet spacing end face 15 when guide plate 13 and be the lower end extreme position, this spacing end face 15 with regulate 10 and cooperate the perverse depth adjustment controlling organization of formation pin.The spacing of hook 5 under free state on two elasticity cards 3 is less than the two 6 lateral extension width of picking up the ears, and 6 tops of picking up the ears are provided with a blocking surface 27, this blocking surface 27 constitutes disposable shooting structure cooperating formation one to prevent the structure of horizontal reset on the nook closing member 4 with hook 5 bottoms after the shooting with this.Overcoat 1 front portion is provided with a block 16, block 16 is enclosed within overcoat 1 front portion, its central authorities establish a test rod 17, these test rod 17 front ends are provided with a stomidium, the front end position of nook closing member 4 is provided with an axle journal 18, block 16 is under the preshot confined state, and test rod 17 inserts needle outlet 12 and the hole, go side cooperates with axle journal 18.
Above-mentioned helical structure is cooperated with projection 20 by two pairs of helicla flutes 19 and constitutes, the two pairs of helicla flutes 19 and projection 20 front and back symmetric arrangement, in actual the manufacturing for the simplified structure helicla flute substitutes with one section oblique groove of offering, because like this can simplified manufacturing technique.Helicla flute 19 is located on the outer rim of regulating 10 rear portion, and projection 20 correspondences are located to push away and send out on the device 8, and for the ease of assembling, the relative plug-in mounting face of projection 20 is oblique guide surface 21.Above-mentioned rotary positioning structure is cooperated with two projectioies 26 by six grooves 25 that are provided with along circumferentially being separated by and constitutes, and groove 25 is located to push away and sends out device 8 and shoot on the inwall in chambeies, and protruding 26 symmetries are located on the outer rim at adjusting 10 rear portion.Rotate to regulate 10 o'clock, regulate 10 and be the stridulation that the click click is sent in intermittent movement simultaneously on the one hand, push away relatively on the other hand and send out a device 8 and move axially.

Claims (10)

1, a kind of modified model is executed Bill's disposable adjustable safety automatic blood-taking needle, and its structure is:
An overcoat [1] and a tail-hood [2] constitute cylindrical outer casing, and tail-hood [2] end in overcoat [1] extends two elasticity cards [3], and the other end has an aperture; A nook closing member [4] is positioned between two elasticity cards [3], and two elasticity cards [3] are not held and inwardly are arranged with hook [5], and nook closing member [4] is gone up correspondence and is provided with pick up the ears [6];
A shooting spring [7] is located between nook closing member [4] afterbody and the tail-hood [2];
One pushes away and sends out device [8] and slide and be located in the overcoat [1], pushes away to send out corresponding two the elasticity cards of device [8] [3] and hold head-on to be provided with and force it to isolating inclined-plane, both sides [9] or cone structure, and its center is provided with shoots the chamber;
One adjusting head [10] is located to push away sends out device [a 8] head, regulating head [10] front portion is an end face [11], end face [11] central authorities are provided with needle outlet [12], the rear portion is inserted into to push away and sends out in device [8] the shooting chamber, and link to each other with a rotary positioning structure by a helical structure, constitute with this and can intermittently rotate the localized structure that moves axially;
It is characterized in that:
Nook closing member [4] lateral symmetry is provided with slide-and-guide plate [13], push away both sides, the shooting chamber correspondence of sending out device [8] and be provided with chute [14], guide plate [13] cooperates with chute [14] and forms the shooting guide frame, and the clip structure that this guide frame and elasticity card [3] form is the decussation layout overlooking under the state;
Push away the shooting chamber sidewall of sending out device [8] and be provided with the range position limiting structure, this range position limiting structure cooperates the formation depth of needling to regulate controlling organization with adjusting head [10];
The spacing of hook [5] under free state on two elasticity cards [3] is less than two [6] the lateral extension width of picking up the ears, and [6] top of picking up the ears is provided with a blocking surface [27], this blocking surface [27] cooperates formation one to prevent the upward structure of horizontal reset of nook closing member [4] with hook [5] bottom after shooting, constitutes disposable shooting structure with this.
2, blood taking needle according to claim 1, it is characterized in that: described overcoat [1] front portion is provided with a block [16], block [16] is enclosed within overcoat [1] front portion, its central authorities establish a test rod [17], this test rod [17] front end is provided with a stomidium, the front end position of nook closing member [4] is provided with an axle journal [18], and block [16] is under the preshot confined state, and test rod [17] inserts needle outlet [12] and the hole, go side cooperates with axle journal [18].
3, blood taking needle according to claim 1 is characterized in that: described range position limiting structure is made of the set end face [15] in chute [14] the place ahead, or set limited block constitutes on the sidewall of shooting chamber.
4, blood taking needle according to claim 1, it is characterized in that: described helical structure cooperates formation by helicla flute [19] with projection [20], helicla flute [19] and projection [20] are among both, one is located to push away and sends out on the device [8], another is located on the outer rim of regulating head [10] rear portion, and the relative plug-in mounting face of projection [20] is oblique guide surface [21].
5, blood taking needle according to claim 1, it is characterized in that: described tail-hood [2] is gone up oblique symmetry and is extended two elasticity cards [3], two elasticity cards [3] are inverted cone-shaped structure in the vertical section, the lateral surface of two elasticity cards [3] root is provided with barbed body [22], and the set groove [23] in this barbed body [22] and overcoat [1] corresponding position forms fixedly assembly structure.
6, blood taking needle according to claim 1, it is characterized in that: described overcoat [1] is the rectangular sleeve structure, the thickness of two elasticity cards [3] root on the tail-hood [2] is greater than end, and the width of the width of root and overcoat [1] matches, and constitutes guide-localization structure in the assembling with this.
7, blood taking needle according to claim 1 is characterized in that: described tail-hood [2] is provided with side and plugs in holddown groove [24] on the position of corresponding spring [7], spring [7] root side is inserted in the holddown groove [24].
8, blood taking needle according to claim 1 is characterized in that: described helical structure is cooperated with external screw thread by female thread and constitutes, and in female thread and the external screw thread, one is located to push away and sends out on the device [8], and another is located on the outer rim of regulating head [10] rear portion.
9, blood taking needle according to claim 1, it is characterized in that: described rotary positioning structure cooperates formation by the groove [25] that is provided with along circumferentially being separated by with projection [26], groove [25] and projection [26] be among both, and one is located to push away and sends out on the device [8], and another is located on the outer rim of regulating head [10] rear portion.
10, blood taking needle according to claim 1, it is characterized in that: described rotary positioning structure cooperates formation by the regular polygon profile with projection [26], regular polygon profile and projection [26] be among both, and one is located to push away and sends out on the device [8], and another is located on the outer rim of regulating head [10] rear portion.
CN 02286472 2002-11-29 2002-11-29 Improved schbil disposable adjustable safety autoamtic blood taking needle Expired - Fee Related CN2579344Y (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101516264B (en) * 2006-09-29 2010-12-22 泰尔茂株式会社 Disposable cartridge
CN102309331A (en) * 2011-09-02 2012-01-11 苏州乔阳医学科技有限公司 Forwards pressed disposable safe blood taking needle
CN103347445A (en) * 2010-12-16 2013-10-09 爱-森新株式会社 Lancet device capable of lancet detachment
CN103690269A (en) * 2013-12-30 2014-04-02 王侨侨 Bovine left abomasal displacement operative reduction apparatus with reduction needle transmitting range setting function
CN105640572B (en) * 2015-01-20 2018-08-31 广州市酷跑计算机科技有限公司 A kind of safety type blood collecting needle construction

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101516264B (en) * 2006-09-29 2010-12-22 泰尔茂株式会社 Disposable cartridge
CN103347445A (en) * 2010-12-16 2013-10-09 爱-森新株式会社 Lancet device capable of lancet detachment
CN103347445B (en) * 2010-12-16 2015-05-27 爱-森新株式会社 Lancet device capable of lancet detachment
CN102309331A (en) * 2011-09-02 2012-01-11 苏州乔阳医学科技有限公司 Forwards pressed disposable safe blood taking needle
CN102309331B (en) * 2011-09-02 2013-04-17 苏州乔阳医学科技有限公司 Forward press disposable safe blood taking needle
CN103690269A (en) * 2013-12-30 2014-04-02 王侨侨 Bovine left abomasal displacement operative reduction apparatus with reduction needle transmitting range setting function
CN103690269B (en) * 2013-12-30 2015-07-15 王侨侨 Bovine left abomasal displacement operative reduction apparatus with reduction needle transmitting range setting function
CN105640572B (en) * 2015-01-20 2018-08-31 广州市酷跑计算机科技有限公司 A kind of safety type blood collecting needle construction

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