CN209004916U - A kind of syringe needle and syringe - Google Patents

Abstract

The utility model provides a kind of syringe needle and syringe, syringe needle includes needle body, needle stand, blocking unit, lock separative unit, needle body is arranged in needle stand far from one end of needle point, the position that needle body bottom is abutted with needle stand is arranged in blocking unit, locking separative unit includes grip block, gripping channel, worm gear, worm and worm wheel support, the extending direction on needle stand and extending perpendicularly to needle body is arranged in gripping channel, grip block is arranged in gripping channel, worm screw is arranged in grip block bottom, position corresponding with worm screw bottom is arranged in gripping channel in worm gear, worm gear support is for fixing worm gear, grip block is moved in gripping channel by worm and gear；When injection, needle body and needle stand are fastenedly connected by grip block；After completing injection, needle body is individually recycled after being separated needle body with needle stand by the locking separative unit.Syringe needle provided by the utility model, so that needle body and the separable recycling of needle stand, eliminate back set needle cap operation.

Description

A kind of syringe needle and syringe

Technical field

The utility model relates to medical instruments field more particularly to a kind of syringe needles and syringe.

Background technique

Syringe is the common medical instrument of medical field, causes virus to intersect sense in order to avoid syringe is used for multiple times Dye, current syringe or syringe needle are usually disposable, and a people one uses.Currently there are syringe needle Head includes needle body and needle stand two parts, and needle body and needle stand are stationarily connected to together, and patient or medical staff are using It is to be installed to syringe needle on syringe to inject when disposable syringe, after use, syringe needle is returned It being recycled after set needle cap, hand of medical staff is easy to be caused the cross-infection of virus by needlestick injuries during this, Therefore, designing one kind separates needle body with needle stand along towards needle point direction, without carrying out back set needle cap The syringe needle of operation is the demand of existing market.

Utility model content

The main technical problems to be solved in the utility model be to provide a kind of needle body can along towards the direction of needle point with The syringe needle and syringe of needle stand separation after solving syringe needle use in the prior art, carry out back set needle cap The hand of medical staff is easy caused by needlestick injuries the problem of virus cross-infection when operation.

In order to solve the above technical problems, it includes needle body, needle stand, blocking unit that the utility model, which provides a kind of syringe needle, With locking separative unit, needle body is arranged in needle stand far from one end of needle point, and blocking unit setting is supported in needle body bottom with needle stand The position connect, locking separative unit include grip block, gripping channel, worm gear, worm and worm wheel support, and gripping channel is arranged in needle On seat and the extending direction for extending perpendicularly to needle body of gripping channel, grip block are arranged in gripping channel, worm screw setting In grip block bottom, position corresponding with worm screw bottom in gripping channel is arranged in worm gear, and worm gear support is arranged in gripping channel For fixing worm gear, grip block can be moved back and forth by the engagement of worm gear and worm screw in gripping channel, when locking separates When unit is in locking state, needle body is fastenedly connected by grip block and needle stand, when locking separative unit in the open state, Needle body is detached from from needle stand along towards the direction of needle point one end.

Further, blocking unit includes one end of tattooing handle, and the bottom of needle body is abutted with the corresponding position of one end of tattooing handle, is stopped Boss is provided with the medicine liquid channel for conveying medical fluid.

Further, medicine liquid channel flare, the one end for being open small are abutted with needle body bottom.

Further, crossing on liquid wall for medicine liquid channel is provided with waterproof coating.

Further, one end of tattooing handle is round or fan shape in section.

Further, grip block is provided with clamping block on the end face of one end of needle body, corresponding with clamping block on needle body Be provided with clamping groove.

Further, the cross section of clamping block is polygon, and clamping groove is set as and the matched shape of clamping block.

Further, worm gear further includes worm gear shaft, and worm gear is arranged on the worm gear shaft.

Further, worm gear shaft both ends are additionally provided with rotational handle.

Further, the utility model also provides a kind of syringe, including syringe, and syringe is connect with syringe needle.

The beneficial effects of the utility model are:

The utility model provides a kind of syringe needle, including needle body, needle stand, blocking unit and locking separative unit, needle Body is arranged in needle stand far from one end of needle point, and the position of needle body bottom Yu needle stand bearing surface, locking point is arranged in blocking unit It include grip block, gripping channel, worm gear, worm and worm wheel support from unit, gripping channel is arranged on needle stand and gripping channel The extending direction for extending perpendicularly to needle body, grip block be arranged in gripping channel, worm screw be arranged in grip block bottom, snail Position corresponding with worm screw bottom is arranged in gripping channel in wheel, and worm gear support is arranged in gripping channel for fixing worm gear, Grip block can be moved back and forth by the engagement of worm gear and worm screw in gripping channel；When locking separative unit is in locking shape When state, needle body is fastenedly connected by grip block and needle stand, and medical staff carries out the operation such as injecting using the syringe needle；Complete injection Afterwards, medical staff can be separated needle body along the extending direction towards needle point by the locking separative unit with needle stand, make needle Body falls off from needle stand, then individually stores needle body into needle body recycling box, is recycled and is disinfected.This seed type Syringe needle needle body and needle stand it is separable, enable to needle body independently to carry out the processing such as recycling disinfection, so as to avoid returning The hand of medical staff that set needle cap operation may cause is wounded by stabbing the problem of causing viral cross-infection.In addition needle body is from along court Avoidable needle body is separated with needle stand to the extending direction of needle point to fall after rise to the pollution for causing syringe in syringe.I.e. this is practical new For the syringe needle that type provides compared with syringe needle in the prior art, syringe needle divide needle body can with needle stand From, it is wounded by stabbing the problem of causing viral cross-infection so as to avoid the hand of medical staff that returns set needle cap operation and may cause, When in turn avoiding needle body simultaneously and separate with needle stand, needle body glides falling the problem of polluting to syringe to syringe.

Other features of the utility model and corresponding beneficial effect are described in the aft section of specification, and are answered Work as understanding, at least partly beneficial effect is apparent from from the record in the utility model specification.

Detailed description of the invention

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is the syringe needle structural representation for being provided with locking separative unit that the utility model embodiment one provides Figure；

Fig. 2 is the syringe construction schematic diagram that the utility model embodiment two provides.

Appended drawing reference:

1: syringe needle；2: syringe；11: needle body；12: needle stand；13: blocking unit；14: grip block；15: worm gear； 16: worm screw；17: clamping block；18: clamping groove；111: needle point；131: one end of tattooing handle；1311: medicine liquid channel；141: gripping channel 151: worm gear shaft；152: worm gear support；21: syringe.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "inner", "bottom" Set relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System in addition, term " first ", " second " etc. be only used for distinguish description, be not understood to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The utility model is described in further detail below by specific embodiment combination attached drawing.

Embodiment one:

After solving syringe needle use in the prior art, returns set needle cap and operate the medical staff that may cause Hand be wounded by stabbing the problem of causing viral cross-infection, the present embodiment provides a kind of syringe needle, which includes Needle body, needle stand, blocking unit and locking separative unit, needle body are arranged in needle stand far from one end of needle point, blocking unit setting In the position that needle body bottom is abutted with needle stand, locking separative unit includes grip block, gripping channel, worm gear, worm and worm wheel branch Seat, gripping channel is arranged on needle stand and the extending direction for extending perpendicularly to needle body of gripping channel, and grip block setting exists In gripping channel, position corresponding with worm screw bottom in gripping channel, worm gear branch is arranged in grip block bottom, worm gear in worm screw setting Seat is arranged in gripping channel for fixing worm gear, and grip block can be past in gripping channel by the engagement of worm gear and worm screw It is multiple mobile；When locking separative unit is in locking state, needle body is fastenedly connected by grip block and needle stand；When locking separation is single In the open state, needle body is detached from from needle stand member along towards the direction of needle point one end.Specifically, referring to Figure 1, injection Device syringe needle 1 includes needle body 11, needle stand 12, blocking unit 13 and locking separative unit, one end setting of the needle body 11 far from needle point 111 In needle stand 12, the position that 11 bottom of needle body is abutted with needle stand 12 is arranged in blocking unit 13, and locking separative unit includes clamping Block 14, gripping channel 141, worm gear 15 and worm screw 16, gripping channel 141 is arranged on needle stand 12 and the extension of gripping channel 141 Direction is perpendicular to the extending direction of needle body 11, and in gripping channel 141, worm screw 16 is arranged at 14 bottom of grip block the setting of grip block 14 Position corresponding with 16 bottom of worm screw is arranged in gripping channel 141 in portion, worm gear 15, and worm gear support 152 is arranged in gripping channel For fixing worm gear 15 in 141, grip block 14 can be in gripping channel 141 back and forth by the engagement of worm gear 15 and worm screw 16 It is mobile；When locking separative unit is in locking state, needle body 11 is fastenedly connected by grip block 14 with needle stand 12, and medical care is facilitated Personnel carry out injection operation；When locking separative unit in the open state, needle body 11 is along the direction towards 111 one end of needle point It is detached from from needle stand 12.Specifically, passing through rotation worm gear 15 clockwise (or counterclockwise), worm screw 16 when carrying out injection operation It is engaged with worm gear 15, the worm screw 16 of 14 bottom of grip block is set by the engagement with worm gear 15 to drive clamping Block 14 is to the direction precession close to needle body 11 and acts against on needle body 11, so that needle body 11 is fastenedly connected with needle stand 12, keeps away Exempt from needle body 11 to shake in needle stand 12, medical staff is facilitated to carry out injection operation；After the completion of injection operation, by counterclockwise (or Rotate worm gear 15 clockwise), worm screw 16 is engaged with worm gear 15, be arranged in the worm screw 16 of 14 bottom of grip block by with worm gear 15 engagement is to drive grip block 14 to screw out to the direction far from needle body 11, so that needle body 11 and needle stand 12 separate, needle Body 11 is recycled or is sterilized along separating from needle stand 12 towards the direction of needle point 111.It is to be appreciated that worm gear Support 152 plays fixed supporting role to worm gear 15, and 15 pairs of the worm gear worm screws 16 being arranged at the top of it and grip block 14 play support Effect, to make supporting role more preferable, the quantity of worm gear support 152 and worm gear 15 is preferably two, be also possible to three or Three or more, the present embodiment is not especially limited this.

Further, worm gear further includes worm gear shaft, and worm gear is arranged on the worm gear shaft.Specifically, referring to Figure 1, worm gear 15 It further include worm gear shaft 151, worm gear 15 is arranged on worm gear shaft 151.Medical staff when carrying out injection operation, by clockwise/ Worm gear shaft 151 is rotated counterclockwise, drives worm gear 15 to be engaged with worm screw 16 by rotation worm gear shaft 151, is arranged in grip block The worm screw 16 of 14 bottoms by with worm gear 15 engage to drive grip block 14 to close to needle body 11 direction precession and abut against On needle body 11, so that needle body 11 is fastenedly connected with needle stand 12, avoids needle body 11 from shaking in needle stand 12, facilitate and infused Penetrate operation；After the completion of injection operation, by rotating worm gear shaft 151 in the opposite direction, worm gear is driven by rotation worm gear shaft 151 15 are engaged with worm screw 16, be arranged in the worm screw 16 of 14 bottom of grip block by with worm gear 15 engage drive grip block 14 screw out to the direction far from needle body 11 so that needle body 11 and needle stand 12 separate, needle body 11 along towards the direction of needle point 111 from Separation is recycled or is sterilized on needle stand 12.

Further, worm gear shaft both ends are additionally provided with rotational handle.Specifically, worm gear shaft 151 is also provided with rotation Handle (not shown), rotational handle is arranged at 151 both ends of worm gear shaft and connect with worm gear shaft 151, by rotating the rotation Handle can drive worm gear shaft 151 to rotate, to control the locking of locking separative unit conveniently by rotational handle and beat Open state.It is to be appreciated that rotational handle specifically can be turncap, knob or other handles with identity function, this reality It applies example and is not especially limited to this

Further, blocking unit includes one end of tattooing handle, and the bottom of needle body is abutted with the corresponding position of one end of tattooing handle, is stopped Boss is provided with the medicine liquid channel for conveying medical fluid.Specifically, referring to Figure 1, blocking unit 13 includes one end of tattooing handle 131, The bottom of needle body 11 is abutted with the corresponding position of one end of tattooing handle 131, is avoided locking separative unit from being in by blocking unit 13 and is beaten When open state, needle body 11 glides after separating from needle stand 12 and then falls after rise to syringe 2, and syringe 2 is caused to pollute.Further , blocking unit 13 can be one end of tattooing handle 131, and the position that 11 bottom of needle body is abutted with needle stand 12 is arranged in one end of tattooing handle 131, Prevent locking separative unit in the open state, needle body 11 separates the rear downslide of needle body 11 falling to syringe 2 with needle stand 12 and makes At syringe 2 pollution；Further, one end of tattooing handle 131 is provided with the medicine liquid channel 1311 for conveying medical fluid, syringe Medical fluid in 2 enters syringe needle 1 by medicine liquid channel 1311.It is to be appreciated that the medicine liquid channel of one end of tattooing handle 131 1311 diameters should be less than the outer diameter of needle body 11, both make one end of tattooing handle 131 will not influence the medical fluid in syringe 2 convex by stopping Medicine liquid channel 1311 in platform 131 enters syringe needle 1, and after the completion of making injection, when opening locking separative unit, needle When body 11 is separated with needle stand 12, one end of tattooing handle 131 can withstand on the bottom surface of 11 corresponding position of needle body close to the end face of needle body 11, from And it blocks needle body 11 needle body 11 will not be glided and fall back to the pollution that syringe 2 causes syringe 2.It is to be appreciated that medicine Liquid channel 1311 can be beeline channel, be also possible to curved channel or labyrinth passage, the specific shape of medicine liquid channel 1311 For columnar structure depending on the actual flow demand of medical fluid, the present embodiment is not especially limited this.

Further, medicine liquid channel flare, the one end for being open small are abutted with needle body bottom.Specifically, medical fluid is logical 1311 flare of road, the one end for being open small are abutted with 11 bottom of needle body, to make locking separative unit in the open state When, one end of tattooing handle 131 can withstand on the bottom surface of 11 corresponding position of needle body close to the end face of needle body 11, make to block needle body 11 Needle body 11, which will not glide, falls back to the pollution that syringe 2 causes syringe 2, and 1311 diameter of medicine liquid channel of one end of tattooing handle 131 is answered Less than the outer diameter of needle body 11, and the medical fluid in injection, in syringe 2 is made to enter syringe needle by medicine liquid channel 1311 First 1, medicine liquid channel 1311 can be tubaeform, guarantees to guarantee needle body 11 and needle stand while the mistake liquid measure of medicine liquid channel 1311 When 12 separation, needle body 11 will not fall to injector syringe 21 pollution for causing injector syringe 21 after rise.

Further, crossing on liquid wall for medicine liquid channel is additionally provided with waterproof coating.Specifically, medicine liquid channel 1311 crosses liquid It is provided with waterproof coating on wall, that is, inner wall, so that medical fluid when passing through medicine liquid channel 1311, will not cross liquid channel 1311 Cross liquid wall face on be stained with medical fluid so that medical fluid some remain on medicine liquid channel 1311, cause medical fluid using endless It is complete to lead to liquid waste in turn.It is to be appreciated that waterproof coating specifically can be waterproof resin or the cloud with waterproof efficacy Female powder or other waterproof coatings, the present embodiment are not especially limited this.

Further, one end of tattooing handle is round or fan shape in section.Specifically, the section shape of one end of tattooing handle 131 Shape can be circle, i.e., one end of tattooing handle 131 is a continuous continual annular boss, which is arranged in 11 bottom of needle body , so that it will not be snapped down in syringe 2, the dirt of syringe 2 is caused for holding 11 bottom of needle body in the position abutted with needle stand 12 Dye；In addition, the section of one end of tattooing handle 131 may be sector, i.e., one end of tattooing handle 131 is fan-shaped boss, and fan-shaped boss setting exists The position that needle body 11 is abutted with 12 bottom of needle stand is used to support 11 bottom of needle body and makes so that it will not be snapped down in syringe 2 At the pollution of syringe 2；It is to be appreciated that fan-shaped boss at least two, is also possible to three or three or more, two fans The setting of shape boss is used to support needle body 11 and will not be snapped down to syringe 2 and cause at 11 bottom of needle body and 12 bearing surface of needle stand The pollution of syringe 2.One end of tattooing handle 131 is used to lock separative unit in the open state, and needle body 11 is separated with needle stand 12 When, one end of tattooing handle 131 can withstand on the bottom surface of 11 corresponding position of needle body close to the end face of needle body 11, make to block needle body 11 Needle body 11, which will not glide, falls back to the pollution that syringe 2 causes syringe 2.It is to be appreciated that the section shape of one end of tattooing handle 131 Shape is either round, fan-shaped or other certain shapes do not affect one end of tattooing handle 131 and withstand on needle body close to the end face of needle body 11 The bottom surface of 11 corresponding positions causes to inject so that needle body 11 be prevented to slide along the direction far from 111 one end of needle point to syringe 2 The pollution of device 2, therefore the specific cross sectional shape of one end of tattooing handle 131, the present embodiment are not especially limited this.

Further, grip block is provided with clamping block close to the end face of needle body, corresponding with grip block on needle body to be provided with Clamping groove.Specifically, referring to Figure 1, grip block 14 is provided with clamping block 17 close to the end face of needle body 11, on needle body 11 with clamping Block 17 is corresponding to be provided with clamping groove 18, when carrying out injection operation, passes through clockwise/counterclockwise rotary worm 16, worm screw 16 Be engaged with worm gear 15, be arranged in the worm screw 16 of 14 bottom of grip block by with worm gear 15 engage drive grip block 17 To the direction precession close to needle body 11, so that grip block 14 is on the needle body 11 that the end face of needle body 11 acts against corresponding position, Meanwhile clamping block 17 of the grip block 14 on one end end face of needle body 11 be arranged on needle body 11 with clamping block 17 corresponding position The clamping groove 18 set completes clamping, so that needle body 11 is fastenedly connected with needle stand 12, so that needle body 11 will not shake in needle stand 12, Needle body 11 and the fastening effect of needle stand 12 are more preferable, so that medical staff be facilitated to carry out injection operation, injection effect is more preferably；It is infusing After penetrating end of operation, by counterclockwise/rotate clockwise worm screw 16, worm screw 16 is engaged with worm gear 15, setting in grip block The worm screw 16 of 14 bottoms by with worm gear 15 engage to drive grip block 14 to far from needle body 11 direction screw out so that folder The increase of the distance between block 14 and needle body 11 is held, clamping block 17 of the grip block 14 on the end face of needle body 11 and setting are set It releases and is clamped with the clamping groove 18 of 17 corresponding position of clamping block on needle body 11, so that needle body 11 is separated with needle stand 12, then will Needle body 11 individually carries out the processing operations such as recycling disinfection.

Further, the cross section of clamping block is polygon, and clamping groove is set as and the matched shape of clamping block.Specifically , the cross section of clamping block 17 can be polygons or the other shapes such as diamond shape, square, irregular hexagon, clamping groove 18 Be set as with the matched shape of clamping block 17, to realize the clamping of clamping block 17 Yu clamping groove 18, the present embodiment specific ties it Structure is not especially limited.

Embodiment two:

The present embodiment provides a kind of syringes, refer to Fig. 2, which includes described in syringe 21 and embodiment one Syringe needle 1, syringe 21 and syringe needle 1 connect.It, can also be with specifically, the syringe 2 can be disposable syringe It is reused injection pen；Syringe 21 and syringe needle 1, which connect, specifically may be a fixed connection, and be also possible to activity even It connects.Syringe provided in this embodiment specifically can be insulin syringe, be also possible to other kinds of syringe, this implementation Example is not specifically limited the type and purposes of syringe.

Syringe provided in this embodiment has syringe needle 1 described in embodiment one, i.e., note provided in this embodiment Emitter 2 matches the syringe needle 1 used and connects needle body 11 and needle stand 12 by locking separative unit, so that locking separative unit When in locking state, needle body 11 is fixedly connected with needle stand 12, is facilitated medical staff to carry out the operation such as injecting, is locked separative unit In the open state, needle body 11 is separated along the extending direction towards needle point 111 with needle stand 12, keeps needle body 11 de- from needle stand 12 It falls, then by needle body 11, individually storage is recycled and disinfected into needle body recycling box；In addition 11 bottom of needle body and needle The one end of tattooing handle 131 for the position setting that seat 12 abuts can make needle body 11 along the extending direction and needle stand 12 towards needle point 111 Separation avoids the pollution that syringe 2 is caused in the falling to syringe of needle body 11.

Syringe provided in this embodiment includes syringe and syringe needle, and syringe needle includes needle body, needle stand, blocking Unit and locking separative unit, needle body are arranged in needle stand far from one end of needle point, and blocking unit is arranged in needle body bottom and needle The position that seat abuts.Locking separative unit includes grip block, gripping channel, worm gear, worm and worm wheel support, gripping channel setting On needle stand and the extending direction for extending perpendicularly to needle body of gripping channel, grip block are arranged in gripping channel, worm screw Setting is in grip block bottom, and position corresponding with worm screw bottom is arranged in gripping channel in worm gear, and worm gear support is for fixing snail Wheel, grip block can be moved back and forth by the engagement of worm gear and worm screw in gripping channel；When locking separative unit is in lock When tight state, needle body is fastenedly connected by grip block and needle stand, and medical staff carries out the operation such as injecting using the syringe needle；Complete note After penetrating, medical staff can be separated needle body along the extending direction towards needle point by the locking separative unit with needle stand, be made Needle body falls off from needle stand, then individually stores needle body into needle body recycling box, is recycled and is disinfected.This type The syringe needle of type makes needle body and needle stand separable, can make needle body and needle stand by locking separative unit after using Needle body, is then individually recycled by separation, and set is carried out back after avoiding syringe needle use in the prior art The problem of syringe needle is easy virus cross-infection caused by stabbing the hand of medical staff when needle cap operates.In addition needle body is from along direction The extending direction of needle point separates avoidable needle body with needle stand and falls after rise to the pollution for causing syringe in syringe.The utility model mentions The syringe needle of confession is compared with syringe needle in the prior art, and syringe needle is easy to stab when both avoiding back set needle cap operation Caused by the hand of medical staff the problem of virus cross-infection, while when in turn avoiding needle body and being separated with needle stand, slid back under needle body Drop down onto the problem of syringe pollutes syringe.In addition, syringe and syringe needle in syringe provided in this embodiment Connection, detachable syringe needle make the needle body of syringe needle and needle stand separable, can pass through locking after use Separative unit separates needle body with needle stand, is then individually recycled needle body, avoids syringe in the prior art Syringe needle is easy virus cross-infection caused by stabbing the hand of medical staff when carrying out back set needle cap operation after syringe needle use Problem.

The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as belonging to In the protection scope of the utility model.

Claims (10)

1. a kind of syringe needle, which is characterized in that including needle body, needle stand, blocking unit and locking separative unit, the needle body One end far from needle point is arranged in the needle stand, and the blocking unit is arranged in what the needle body bottom was abutted with the needle stand Position, the locking separative unit include grip block, gripping channel, worm gear, worm and worm wheel support, the gripping channel setting On the needle stand and the extending direction for extending perpendicularly to the needle body of the gripping channel, the grip block setting exist In the gripping channel, in the grip block bottom, the worm gear is arranged in the gripping channel and institute for the worm screw setting The corresponding position in worm screw bottom is stated, the worm gear support is arranged in the gripping channel for fixing the worm gear, the folder Holding block can be moved back and forth by the engagement of the worm screw and the worm gear in the gripping channel；When the locking separates When unit is in locking state, the needle body is fastenedly connected by the grip block and the needle stand, when the locking separates list In the open state, the needle body is detached from from the needle stand member along the direction towards needle point one end.

2. syringe needle as described in claim 1, which is characterized in that the blocking unit includes one end of tattooing handle, the needle The bottom of body is abutted with the corresponding position of the one end of tattooing handle, and it is logical that the one end of tattooing handle is provided with the medical fluid for conveying medical fluid Road.

3. syringe needle as claimed in claim 2, which is characterized in that the medicine liquid channel flare is open small One end is abutted with the needle body bottom.

4. syringe needle as claimed in claim 2 or claim 3, which is characterized in that crossing on liquid wall for the medicine liquid channel is provided with Waterproof coating.

5. syringe needle as claimed in claim 2, which is characterized in that the one end of tattooing handle is round or fan-shaped in section Shape.

6. syringe needle as claimed in claim 1 or 2, which is characterized in that the grip block is close to one end of the needle body End face on be provided with clamping block, position corresponding with the clamping block is provided with clamping groove on the needle body.

7. syringe needle as claimed in claim 6, which is characterized in that the cross section of the clamping block is polygon, described Clamping groove is set as and the matched shape of the clamping block.

8. syringe needle as claimed in claim 1 or 2, which is characterized in that the worm gear further includes worm gear shaft, the worm gear It is arranged on the worm gear shaft.

9. syringe needle as claimed in claim 8, which is characterized in that the worm gear shaft both ends are additionally provided with rotational handle.

10. a kind of syringe, including syringe, which is characterized in that further include such as the described in any item syringe needles of claim 1-9 Head, the syringe are connect with the syringe needle.