CN208910273U

CN208910273U - Push type hemostix

Info

Publication number: CN208910273U
Application number: CN201820774195.9U
Authority: CN
Inventors: 陈亮; 张千
Original assignee: HUAIAN TIANDA MEDICAL INSTRUMENTS CO Ltd
Current assignee: HUAIAN TIANDA MEDICAL INSTRUMENTS CO Ltd
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2019-05-31
Anticipated expiration: 2028-05-23

Abstract

The utility model relates to medical auxiliary equipment fields, disclose a kind of push type hemostix, hemostix is before transmission, push away hair device (2) is stuck on two positive stop lug boss (101) of shell (1) inner sidewall by two cambered surface elastic card claws (201), two position limiting slide blocks (3011) of fixing seat (301) are against respectively on the bottom open end boss of two sliding slots (203) of push away hair device inner sidewall in needle body ejector (3), and the syringe needle of blood taking needle (302) is located in the push away hair device；Hemostix is after transmitting, and push away hair device is stuck on two positioning convex platforms (102) of housing interior side-wall by two cambered surface elastic card claw (201), and two position limiting slide blocks are located in two sliding slots, and the syringe needle extended needle of blood taking needle exports (202).This hemostix can be avoided patient in blood sampling and see syringe needle, prevents from causing the feared state of mind, can effectively avoid cross-infection, using simplicity, structure is simple, securely and reliably.

Description

Push type hemostix

Technical field

The utility model relates to medical auxiliary equipment field, in particular to a kind of push type hemostix.

Background technique

Currently, medical institutions are generally directly taken a blood sample with blood taking needle in conventional blood collection, though this method energy one people, one needle, no By cross-infection, but patient is immediately seen syringe needle, generates the feared state of mind (especially children).When another kind blood sampling, blood taking needle is taken It is used cooperatively by blood collecting pen, by blood taking needle loaded in blood collecting pen, removes blood taking needle after transmitting needle thorn, load onto another blood taking needle It reuses, since blood collecting pen is to reuse many times, is easy to cause cross-infection.Both the above blood-sampling method, medical care Staff directly contacts blood taking needle, manually takes syringe needle dress in blood sampling, is accidentally easy to stab, causes cross-infection, There are some potential safety problemss, there are also the mode of kind, current more advanced blood taking needle, and using retraction type, syringe needle after blood sampling In automatic retracted to shell, but this retraction type blood taking needle usually using a nut cap, cover first in blood taking needle by nut cap at present Section, can cover back on blood taking needle shell after use, cross-infection can be also caused in use process, applicant is in May, 2013 Apply for the utility model patent of Patent No. 2013202790706 within 21st, and authorized, solves above-mentioned ask Topic, but patented product is in actual use, structure is complex, equips step and the process is more complicated, and needle body Ejector will appear needle body offset in ejection process, or even the problem of needle body gets stuck occurs.

Utility model content

Purpose of utility model: aiming at the problems existing in the prior art, the utility model provides a kind of push type hemostix, It avoids patient from seeing syringe needle when blood sampling, prevents from causing the feared state of mind, can effectively avoid cross-infection, using simplicity, structure is simple, Securely and reliably.

Technical solution: the utility model provides a kind of push type hemostix, including shell, push away hair device and needle body ejection The inner sidewall bottom left and right sides of device, the shell is symmetrical arranged two positive stop lug boss and two positioning convex platforms, and two described fixed Position boss is located at the lower section side of two positive stop lug boss；The push away hair device is located in the shell, the push away hair device For the cylindrical body for being symmetrical arranged the Needle outlet of two cambered surface elastic card claws, top with blood taking needle at left and right sides of lateral wall bottom Structure；The needle body ejector is made of fixing seat and the blood taking needle, and the bottom end of the fixing seat is fixed on institute by spring State the bottom of shell；The backshank of the blood taking needle is fixed on the axis line position of the fixing seat, and syringe needle reaches the fixation Needle outlet described in seat top and face；Before transmission, the push away hair device passes through two cambered surface elastic card claw cards to hemostix On two positive stop lug boss, the fixing seat is limited between the bottom end of the push away hair device and the spring, described to adopt The syringe needle of blood needle is located in the push away hair device；For hemostix after transmitting, the push away hair device passes through two cambered surface elastic card claws It is stuck on two positioning convex platforms, in the push away hair device, the syringe needle of the blood taking needle stretches out the needle for the fixed seating Head outlet；After puncture, the syringe needle of the blood taking needle is located in the push away hair device.

Further, the inner sidewall front and rear sides of the push away hair device are symmetrical arranged the sliding slot of two bottom openings, described solid The lateral wall front and rear sides of reservation are symmetrical arranged two position limiting slide blocks cooperated with two sliding slots, hemostix before transmission, Two position limiting slide blocks are against respectively on the bottom open end boss of two sliding slots；Hemostix puncture process after transmitting In, two position limiting slide blocks are located in two sliding slots.

Further, the push type hemostix further includes torsion bar, and the on both sides of the middle of the torsion bar is symmetrical arranged two Convex shoulder is limited, hemostix is in travel position, the top breakpoint joint of the bottom end of the torsion bar and the fixing seat, the limit Convex shoulder is located inside the push away hair device and is against on the lower surface of the Needle outlet, and hemostix is in emission state, the torsion Bar is separated with the hemostix.There is certain distance, this distance can between limit convex shoulder and the bottom end of torsion bar of torsion bar Two cambered surface elastic card claws of push away hair device are stuck in always on two positive stop lug boss of housing interior side-wall, that is, are maintained at travel position When, push away hair device can not be pressed, and just can guarantee that needle body ejector is limited in the bottom of two sliding slots of push away hair device always in this way Between open end and spring, needle body ejector is effectively prevent to be ejected in travel position, effectively prevent the syringe needle of blood taking needle Cross-infection caused by being ejected the Needle outlet of push away hair device in travel position.

Further, symmetrically two are vertically arranged at left and right sides of the inner sidewall of the shell to match with the cambered surface elastic card claw The guide groove of conjunction, the guide groove are engaged on right above the positive stop lug boss.When push away hair device is installed in shell, the presence of guide groove Two cambered surface elastic card claws are smoothly snapped on two positive stop lug boss by the guide function of two guide grooves respectively, are pacified Dress is convenient.

Further, sunken shoulder is limited there are two being also symmetrical arranged at left and right sides of the lateral wall of the fixing seat, described in two Limit sunken shoulder is located at the top of two position limiting slide blocks, and plane where two limit sunken shoulders is slided with two limits Plane where block is mutually perpendicular to.Because fixing seat, during being gone out by ejection, ejection route is most likely not straight line, thus Cause blood taking needle to deviate, influences effect of having an acupuncture treatment, so in the present invention, on two position limiting slide blocks of fixing seat lateral wall Two limit sunken shoulders are also symmetrical arranged in the orthogonal planes of plane where side and two position limiting slide blocks, so that fixing seat There are limiting component in top and the bottom, during fixing seat is launched away, due to limiting the dual limit of sunken shoulder and position limiting slide block The ejection route of position effect, fixing seat is in straight line, so that the ejection route that blood taking needle is effectively ensured is also straight line, Guarantee the accuracy and acupuncture treatment effect of acupuncture treatment position.

Preferably, plane where two sliding slots is mutually perpendicular to plane where two cambered surface elastic card claws.This Sample design is symmetrical also for the overall structure for guaranteeing push away hair device, as far as possible ejection route of the guarantee needle body ejector in ejection For straight line.

Working principle and beneficial effect: in the utility model, before transmission, needle body ejector is limited in pushes away hair to hemostix Between the bottom open end and spring of two sliding slots of device, at this point, two limits of fixing seat lateral wall are slided in needle body ejector Block is against the bottom open end of two sliding slots, and is in one jiao between plane where plane where two position limiting slide blocks and two sliding slots Degree, so needle body ejector can be just limited between the bottom open end and spring of two sliding slots of push away hair device, and this hour hand The syringe needle of the blood taking needle of body ejector is located inside push away hair device；When needing blood sampling to puncture, push away hair device had into Needle outlet One end be aligned wait have an acupuncture treatment skin and with after skin contact to skin direction press, during pressing, two cambered surfaces of push away hair device Elastic card claw is moved on two positioning convex platforms from two positive stop lug boss, in the process of moving, due to two arcs of push away hair device The position that surface elastic claw is contacted with housing interior side-wall has globoidal structure, and is that dislocation is closed between positioning convex platform and positive stop lug boss System, so, push away hair device, which can rotate an angle in the process of moving and could be moved on positioning convex platform from positive stop lug boss, is determined Position boss positioning, during rotation, two sliding slots in push away hair device also rotate with it an angle, this angle of rotation is rigid Good by plane where above-mentioned two position limiting slide block, Plane Rotation is to same plane with where two sliding slots, and fixing seat is then in spring Under effect, two position limiting slide blocks of lateral wall are ejected into two sliding slots and fast to the Needle outlet direction of push away hair device along the chute Speed ejection, stops movement when the top that two position limiting slide blocks are moved to two sliding slots is blocked by the convex shoulder of sliding slot, fixes at this time Blood taking needle on seat is just also launched to Needle outlet, realizes the puncture purpose to Needle outlet external skin；It is wearing After thorn, fixing seat can rebound a distance to spring direction rapidly under the rebound effect of spring, position when will puncture Blood taking needle syringe needle outside Needle outlet is brought back to inside push away hair device again.

As it can be seen that the hemostix in the utility model is before transmission, blood taking needle is always positioned inside push away hair device, is effectively prevent Medical staff or other people, which contact syringe needle, leads to cross-infection；After hemostix transmitting in puncture process, when the syringe needle of blood taking needle It is ejected after the Needle outlet of push away hair device just rapidly by skin penetrating, after puncture, the syringe needle of blood taking needle again can be rapidly It is rebounded in push away hair device by spring, patient can't see blood taking needle during entire puncture and after puncturing, and effectively prevent The feared state of mind (especially children) of patient, the hemostix after use will not be exposed to outer because of blood taking needle and pierce collector The hand of member, otherwise cross-infection；In blood sampling, it is only necessary to which push away hair device there is one end of Needle outlet to be attached to skin by medical staff Acupuncture treatment can be realized in upper then pressing, easy to operate；In addition, this hemostix structure is simple, securely and reliably.

Detailed description of the invention

Fig. 1 is the entirety sectional view of push type hemostix before transmission in embodiment 1；

Fig. 2 is the entirety sectional view of push type hemostix before transmission in embodiment 1；

Fig. 3 punctures entirety sectional view when state for push type hemostix in embodiment 1 after transmitting；

Fig. 4 punctures entirety sectional view when state for push type hemostix in embodiment 1 after transmitting；

Fig. 5 is entirety sectional view after push type hemostix punctures after transmitting in embodiment 1；

Fig. 6 is entirety sectional view after push type hemostix punctures after transmitting in embodiment 1；

Fig. 7 is the schematic perspective view of shell；

Fig. 8 is the three-dimensional cutaway view of shell；

Fig. 9 is the schematic perspective view of push away hair device；

Figure 10 is the schematic perspective view of push away hair device；

Figure 11 is the schematic perspective view of needle body ejector；

Figure 12 is the entirety sectional view of push type hemostix before transmission in embodiment 2；

Figure 13 is the entirety sectional view of push type hemostix before transmission in embodiment 2.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawing.

Embodiment 1:

Present embodiments provide for a kind of push type hemostixes, such as Fig. 1 and 2, and the hemostix is mainly by shell 1, push away hair device 2 It is formed with needle body ejector 3, push away hair device 2 is located in shell 1, and before transmission, needle body ejector 3 is located under push away hair device 2 hemostix Side, the inside of shell 1 (such as Fig. 1 and 2), (such as Fig. 3 and 4) and (such as Fig. 5 after puncture when hemostix punctures state after transmitting With 6), needle body ejector 3 is respectively positioned on inside push away hair device 2；As the inner sidewall left and right sides of Fig. 7 and 8, shell 1 are symmetrically vertically arranged Two are easily installed the guide groove 103 of push away hair device 2, and a positive stop lug boss 101 is respectively set in the underface of two guide grooves 103, The lower section of two positive stop lug boss 101 shifts to install a positioning convex platform 102 respectively, and two positive stop lug boss 101 are symmetrical arranged, and two Positioning convex platform 102 is also symmetrical arranged；Such as Fig. 9 and 10, push away hair device 2 is cylindrical structure, and top is to offer Needle outlet 202 Semiclosed end, the Basolateral wall left and right sides are symmetrical arranged the cambered surface elastic card claws of two with the cooperation of above-mentioned two guide groove 103 201, the inner sidewall front and rear sides of push away hair device 2 are symmetrical arranged the sliding slot 103 of two bottom openings, two 103 place planes of sliding slot It is mutually perpendicular to two 201 place planes of cambered surface elastic card claw；Such as Figure 11, needle body ejector 3 is by fixing seat 301 and blood taking needle 302 compositions, the lateral wall front and rear sides of fixing seat 301 are symmetrical arranged the position limiting slide block of two with the cooperation of above-mentioned two sliding slot 103 3011, above position limiting slide block 3011, two limit sunken shoulders 3012 are symmetrical arranged at left and right sides of the lateral wall of fixing seat 301, and Two 3012 place planes of limit sunken shoulder are mutually perpendicular to two 3011 place planes of position limiting slide block, and blood taking needle 302 is fixed on The axis line position of reservation 301, and backshank is located in fixing seat 301, syringe needle reaches outside fixing seat 301, fixing seat 301 Bottom end passes through the inner sidewall bottom end elastic connection of spring 4 and shell 1.

Before hemostix transmitting, as two cambered surface elastic card claws 201 of Fig. 1 and 2, push away hair device 2 are stuck in two positive stop lug boss On 101, the fixing seat 301 of needle body ejector 3 be limited in two sliding slots 203 of push away hair device 2 bottom open end and spring 4 it Between, two position limiting slide blocks 3011 are against respectively on the bottom open end boss of two sliding slots 203, at this time two position limiting slide blocks 3011 At an angle between place plane and two 203 place planes of sliding slot, the syringe needle of blood taking needle 302 is located in push away hair device 2；It is taking a blood sample After device transmitting in puncture process, as two cambered surface elastic card claws 201 of Fig. 3 and 4, push away hair device 2 are stuck in two positioning convex platforms 102 On, two position limiting slide blocks 3011 of fixing seat 301 are located in two sliding slots 203 in needle body ejector 3, at this time two limits 3011 place plane of sliding block is same plane with two 203 place planes of sliding slot, and two position limiting slide blocks 3011 are by two sliding slots 203 top convex shoulder blocks, and the blood taking needle 302 in fixing seat 301 is just also launched to Needle outlet 202, realization pair The puncture purpose of 202 external skin of Needle outlet；After puncture, as the syringe needle of Figures 5 and 6, blood taking needle 302 is located at push away hair device In 2.

The working principle of this push type hemostix is as follows: when needing blood sampling to puncture, push away hair device 2 being had Needle outlet 202 one end be aligned wait have an acupuncture treatment skin and with after skin contact to skin direction press, during pressing, the two of push away hair device 2 A cambered surface elastic card claw 201 is moved respectively on two positioning convex platforms 102 from two positive stop lug boss 101, in the process of moving, Due to being dislocation relationship between positive stop lug boss 101 and positioning convex platform 102, and on the inside of two cambered surface elastic card claws 201 and shell 1 The position of wall contact is globoidal structure, so, push away hair device 2 in the process of moving can be with the cambered surface of cambered surface elastic card claw 201 Structure rotates an angle, and so that two cambered surface elastic card claw 201 from two positive stop lug boss 101 is moved to two positioning flat It is limited on platform 1022, in the course of rotation, two sliding slots 203 of 2 inner sidewall of push away hair device also rotate with it an angle, turn This dynamic angle is just by two position limiting slide blocks, the 3011 place plane and two 203 place planes of sliding slot in fixing seat 301 Same plane is turned to, due to the squeezing action of the bottom open end without sliding slot 203, adds 301 bottom bullet of fixing seat The elastic force of spring 4 acts on, and two position limiting slide blocks 3011, which are taken advantage of a situation, to be ejected into two sliding slots 203 and along the chute 203 to push away hair device 2 202 direction of Needle outlet is quickly launched, and the blood taking needle 302 in fixing seat 301 is also quickly launched to outside Needle outlet 202 therewith Portion realizes the acupuncture treatment purpose to 202 external skin of Needle outlet；After puncture, fixing seat 301 can be in the rebound of spring 4 It rebounds a distance to 4 direction of spring rapidly under power effect, the blood taking needle 302 when will puncture outside Needle outlet 202 Syringe needle is brought back to again inside push away hair device 2.

Embodiment 2:

Present embodiment is the further improvement of embodiment 1, is mainly theed improvement is that: in the embodiment 1, it is desirable to Hemostix emits blood taking needle, it is only necessary to which pressing lightly on push away hair device 2 can be realized, due to accidentally grasping when leading to not needing sometimes transmitting Push away hair device 2 is pressed, blood taking needle 302 is emitted, and blood taking needle 302 is in the state that can be emitted at any time, is held Easily by cross-infection, and it is dangerous；And it is able to solve drawbacks described above in the present embodiment, specifically:

As shown in Figures 12 and 13, the hemostix in present embodiment further includes that on both sides of the middle is symmetrical arranged two limit convex shoulders 501 torsion bar 5 is in the travel position (shape of the hemostix before transmission in the embodiment 1 in other words in hemostix State) when, the bottom end of torsion bar 5 is connect with the top breakpoint formula of fixing seat 301, and the free end of torsion bar 5 passes through the needle at 2 top of push away hair device It is exposed to outside push away hair device 2 and shell 1 behind head outlet 202, two limit convex shoulders 501 are located inside push away hair device 2, and two limits The upper surface of position convex shoulder 501 is against the lower surface of 2 top Needle outlet 202 of push away hair device, that is to say, that is not needing hemostix hair When penetrating, torsion bar 5 can be by the two limit convex shoulders 501 of its own by two cambered surface elastic card claws 201 1 of push away hair device 2 Straight limit can not move on two positive stop lug boss 101 in shell 1；When needing hemostix to emit, oneself of torsion bar 5 is pinched It is rotated by end, torsion bar 5 is connect with the breakpoint formula on 301 top of fixing seat and is twisted into two parts, by two 501 place Plane Rotations of limit convex shoulder Torsion bar 5 is pulled out into push away hair device 2 to after parallel with Needle outlet 202,5 hemostix of torsion bar separates at this time, then presses lightly on and pushes away again Device 2 is sent out, two cambered surface elastic card claws 201 of push away hair device 2 could be moved on positioning convex platform 102 from two positive stop lug boss 101, real Now to the transmitting of needle body transmitter 3, emission process is identical with embodiment 1, is not repeated herein.

In addition to more torsion bars 5, present embodiment is identical with embodiment 1, is not repeated herein.

Above embodiment is only to illustrate the technical ideas and features of the present invention, and its object is to allow be familiar with this skill The people of art can understand the content of the utility model and implement accordingly, not limit the protection scope of the present invention. It is all according to the spirit of the present invention substantially equivalent transformation that is done or modification, should all cover the protection scope of the utility model it It is interior.

Claims

1. a kind of push type hemostix, which is characterized in that described outer including shell (1), push away hair device (2) and needle body ejector (3) Two positive stop lug boss (101) and two positioning convex platforms (102), two institutes are symmetrical arranged at left and right sides of the inner sidewall bottom of shell (1) State the lower section side that positioning convex platform (102) is located at two positive stop lug boss (101)；The push away hair device (2) is located at described In shell (1), the push away hair device (2) is that two cambered surface elastic card claws (201), tops are symmetrical arranged at left and right sides of lateral wall bottom The cylindrical structure of Needle outlet (202) with blood taking needle (302)；The needle body ejector (3) is by fixing seat (301) and institute Blood taking needle (302) composition is stated, the bottom end of the fixing seat (301) is fixed on the bottom of the shell (1) by spring (4)；Institute The backshank for stating blood taking needle (302) is fixed on the axis line position of the fixing seat (301), and syringe needle reaches the fixing seat (301) top and face described in Needle outlet (202)；

Before transmission, the push away hair device (2) is stuck in two limits by two cambered surface elastic card claws (201) to hemostix On boss (101), the fixing seat (301) is limited between the bottom end of the push away hair device (2) and the spring (4), described The syringe needle of blood taking needle (302) is located in the push away hair device (2)；For hemostix after transmitting in puncture process, the push away hair device (2) is logical It crosses two cambered surface elastic card claws (201) to be stuck on two positioning convex platforms (102), the fixing seat (301) is located at institute It states in push away hair device (2), the syringe needle of the blood taking needle (302) stretches out the Needle outlet (202)；It is described to adopt after puncture The syringe needle of blood needle (302) is located in the push away hair device (2).

2. push type hemostix according to claim 1, which is characterized in that two before and after the inner sidewall of the push away hair device (2) Side is symmetrical arranged the sliding slot (203) of two bottom openings, and the lateral wall front and rear sides of the fixing seat (301) are symmetrical arranged two With the position limiting slide block (3011) of two sliding slots (203) cooperations, hemostix before transmission, two position limiting slide blocks (3011) It is against on the bottom open end boss of two sliding slots (203) respectively；Hemostix is after transmitting in puncture process, described in two Position limiting slide block (3011) is located in two sliding slots (203).

3. push type hemostix according to claim 1, which is characterized in that it further include torsion bar (5), the torsion bar (5) On both sides of the middle is symmetrical arranged two limit convex shoulders (501), hemostix in travel position, the bottom end of the torsion bar (5) with it is described The top breakpoint joint of fixing seat (301), the limit convex shoulder (501) are located at the push away hair device (2) inside and are against the needle On the lower surface of head outlet (202), in emission state, the torsion bar (5) separates hemostix with the hemostix.

4. push type hemostix according to claim 1, which is characterized in that at left and right sides of the inner sidewall of the shell (1) It is also symmetrically vertically arranged the guide groove (103) of two with the cambered surface elastic card claw (201) cooperation, the guide groove (103) is engaged on Right above the positive stop lug boss (101).

5. push type hemostix according to claim 2, which is characterized in that the lateral wall or so of the fixing seat (301) Two sides are also symmetrical arranged there are two sunken shoulder (3012) are limited, and two limit sunken shoulders (3012) are located at two position limiting slide blocks (3011) top, and plane where two limit sunken shoulders (3012) and plane where two position limiting slide blocks (3011) It is mutually perpendicular to.

6. push type hemostix according to claim 2, which is characterized in that planes where two sliding slots (203) with Plane where two cambered surface elastic card claws (201) is mutually perpendicular to.