CN214804745U

CN214804745U - Blood sugar blood sampling needle head capable of preventing blood stain pollution

Info

Publication number: CN214804745U
Application number: CN202121636979.3U
Authority: CN
Inventors: 姚玲琳
Original assignee: First Peoples Hospital of Jiashan
Current assignee: First Peoples Hospital of Jiashan
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-23
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a prevent blood sugar blood sampling syringe needle that blood stain pollutes, including cylinder and needle shell, the inside fixed mounting of cylinder has the spacing ring, and the top fixed mounting of spacing ring has reset spring, and reset spring's top fixed mounting has a press button, and the bottom fixed mounting who presses the button has the regulation post, and the thread groove has been seted up to the inside of adjusting the toe end, and two spacing spouts have been seted up to the inside on cylinder top. Through flat head bolt and the rubber strip that sets up, when flat head bolt grafting rubber strip is inside, it is articulated firm under the elasticity extrusion of rubber strip, flat head of flat head bolt contradicts at articulated a section of thick bamboo simultaneously, change the degree of depth of spacing movable ring board, the cooperation is pressed the button press the height one high one low of being similar to automatic pen spacing, can guarantee that cotton ball output is one at a time, it then adjusts the height spacing and the press button of flat head bolt and rubber strip and mutually support to go out one, it is convenient to use and play ball stability.

Description

Blood sugar blood sampling needle head capable of preventing blood stain pollution

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to prevent blood sugar blood sampling syringe needle of blood stain pollution.

Background

The utility model provides a blood taking needle for gathering blood sample in medical treatment inspection process, constitute by syringe needle and needle bar, the syringe needle is established at the head of needle bar, sliding connection has the sheath on the needle bar, be equipped with reset spring and the initial position of sheath is located the head of syringe needle and needle bar between sheath and needle bar, when the handheld needle tubing of operator presses the blood taking needle head on patient's limbs, the sheath is indentation under the elasticity effect of skin, make the syringe needle protrusion and pierce skin and cause the wicresoft, the sheath resets again under reset spring's effect after pulling out the blood taking needle covers the syringe needle in order to avoid the syringe needle to expose by the pollution or the accidental stabbing human body.

In the blood sugar blood sampling process, a blood sampling needle is required to puncture skin tissues at the fingers of a patient, when blood in a condensed bead form appears, the first drop of blood generally needs to be wiped to prevent sweat and sundries from polluting a blood sample, the second drop of blood can be adsorbed by a blood sugar test paper, a user can hold a cotton ball with the hand to wipe when the blood is wiped, the blood sample can be stained with the fingers in the process to cause certain medical risks, and the blood sugar blood sampling needle capable of preventing blood stain pollution is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blood sugar blood sampling syringe needle that prevents blood stain pollution possesses the blood stain of preventing and pollutes and convenient change syringe needle to and have the advantage of adjustable depth of inserting the needle.

In order to achieve the above object, the utility model provides a following technical scheme: a blood sugar and blood sampling needle head capable of preventing blood stain pollution comprises a cylinder body and a needle shell, wherein a limiting ring is fixedly installed inside the cylinder body, a reset spring is fixedly installed at the top of the limiting ring, a press button is fixedly installed at the top end of the reset spring, an adjusting column is fixedly installed at the bottom of the press button, a thread groove is formed in the bottom end of the adjusting column, two limiting sliding grooves are formed in the top end of the cylinder body, two sliding blocks are fixedly installed on the outer side of the press button, a limiting spring is fixedly installed at the bottom of the cylinder body, a soft ring is fixedly installed at the bottom end of the limiting spring, a hinge cylinder is hinged to the outer side of the bottom end of the cylinder body, a fixing ring is fixedly installed inside the hinge cylinder, through grooves are formed in two sides of the hinge cylinder, rubber strips are fixedly installed on two sides of the inside of the through grooves, and flat-head bolts are movably installed inside the rubber strips, the top fixed mounting of needle shell has the screw thread post, the inside of screw thread post has seted up agrees with the groove, the top fixed mounting who agrees with the inslot inner chamber has the permanent magnet, the bottom movable mounting of permanent magnet has the steel needle, the top fixed mounting of needle shell inner chamber has pressing spring, pressing spring's bottom fixed mounting has the activity crown plate, the intercommunication groove has all been seted up to the both sides of needle shell.

Preferably, the adjusting column penetrates through the movable return spring and the limiting ring and extends to the bottom of the limiting ring.

Preferably, the top of the press button is fixedly provided with a friction plate, and the two sliding blocks are movably arranged in the limiting sliding groove.

Preferably, the movable annular plate is movably sleeved inside the needle shell, and the specification and the size of the threaded column are matched with those of the threaded groove.

Preferably, the specification size of the soft ring is matched with that of the hinge barrel, and the bottom of the soft ring is in contact with the top of the fixing ring.

Preferably, the outer side of the flat-head bolt is in contact with the outer side of the rubber strip, and the specification and the size of the flat-head bolt are matched with those of the through groove and the communication groove.

Preferably, the fitting groove penetrates through the bottom of the threaded column and is communicated with the inside of the needle shell, and the specification and the size of the steel needle are matched with those of the fitting groove and the movable annular plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arranged hinge cylinder, when the hinge cylinder is hinged with the cylinder body, the soft ring is abutted against the top of the fixed ring under the elastic force of the limit spring, the friction force is increased, the hinge joint is opposite to the thread hinge force of the hinge cylinder body, so that the hinge joint is relatively fixed, the hinge joint depth is matched, the displacement of the bottom of the needle shell and the displacement of the steel needle passing through the outlet of the hinge cylinder are changed, the skin piercing depth of the steel needle can be changed, then the flat head bolt is hinged into the penetrating groove and the inner part of the rubber strip, the hinge joint position is relatively fixed under the elastic force of the rubber strip, when the needle shell moves upwards relative to the flat head bolt, the flat head bolt relieves the limit on the movable ring plate, the movable ring plate extrudes the needle shell space under the elastic force of the pressing spring to extrude a cotton ball to be convenient for cleaning, the blood pollution is avoided, the needle pricking depth can be effectively adjusted, the blood pollution and the needle head can be conveniently replaced, the working efficiency is increased.

2. Through the arranged flat head bolt and the rubber strip, when the flat head bolt is inserted into the rubber strip, the flat head bolt is firmly hinged under the elastic extrusion action of the rubber strip, and meanwhile, the flat head of the flat head bolt is abutted against the hinged cylinder to form a T-shaped joint to be attached to the outer wall to prevent the rubber strip from being extruded and deformed and inclined, meanwhile, when a cotton ball is pressed and ejected, because the pressing depth and the ejection depth of the sliding limiting devices of the limiting sliding chute and the sliding block are different and are relatively fixed in displacement, the pressing is relatively shallow, and the ejection is relatively deep, therefore, the downward pressing limiting loss of the flat head bolt limiting movable ring plate is small during pressing, the upward displacement of the movable ring plate and the pressing spring is large, so that the cotton ball can be ejected for the first time, after the cotton ball is pressed, the flat head bolt can be rotated and displaced downwards under the clamping of the rubber strip, the depth of the limiting movable ring plate is changed, and the pressing limit similar to an automatic pen is matched with a pressing button, can guarantee that the cotton ball output is once one, go out one then adjust once the height spacing and the press button of flat head bolt and rubber strip mutually support, it is convenient and stable to use and play ball.

Drawings

FIG. 1 is a schematic view of a front perspective structure of a column body according to the present invention;

FIG. 2 is a perspective view of the front appearance of the needle shell of the present invention;

FIG. 3 is a schematic view of the front view of the column body of the present invention;

FIG. 4 is a front sectional view of the column of the present invention;

fig. 5 is a front sectional view of the needle housing of the present invention.

In the figure: 1. a cylinder; 2. a friction plate; 3. pressing a button; 4. a hinge barrel; 5. a flat head bolt; 6. a rubber strip; 7. a through groove; 8. a needle shell; 9. a steel needle; 10. a communicating groove; 11. a threaded post; 12. a slider; 13. an adjustment column; 14. a soft ring; 15. a fixing ring; 16. a limiting spring; 17. a thread groove; 18. a limiting ring; 19. a return spring; 20. a limiting chute; 21. a fitting groove; 22. a pressing spring; 23. a movable ring plate; 24. and a permanent magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a blood sugar blood sampling needle head capable of preventing blood stain pollution comprises a cylinder body 1 and a needle shell 8, wherein a limiting ring 18 is fixedly installed inside the cylinder body 1, a reset spring 19 is fixedly installed at the top of the limiting ring 18, a press button 3 is fixedly installed at the top end of the reset spring 19, an adjusting column 13 is fixedly installed at the bottom of the press button 3, a thread groove 17 is formed inside the bottom end of the adjusting column 13, two limiting sliding grooves 20 are formed inside the top end of the cylinder body 1, two sliding blocks 12 are fixedly installed outside the press button 3, a limiting spring 16 is fixedly installed at the bottom of the cylinder body 1, a soft ring 14 is fixedly installed at the bottom end of the limiting spring 16, a hinge barrel 4 is hinged to the outside of the bottom end of the cylinder body 1, a fixing ring 15 is fixedly installed inside the hinge barrel 4, through grooves 7 are formed in two sides of the hinge barrel 4, rubber strips 6 are fixedly installed on two sides inside the through grooves 7, a flat head bolt 5 is movably installed inside the rubber strips 6, the top fixed mounting of needle shell 8 has screw thread post 11, and screw thread post 11's inside has been seted up and has been agreed with groove 21, and the top fixed mounting who agrees with the inner chamber of groove 21 has permanent magnet 24, and the bottom movable mounting of permanent magnet 24 has steel needle 9, and the top fixed mounting of needle shell 8 inner chamber has pressing spring 22, and pressing spring 22's bottom fixed mounting has movable crown plate 23, and intercommunication groove 10 has all been seted up to the both sides of needle shell 8.

In the embodiment, through the provided hinged cylinder 4, during operation, medical staff detaches the hinged cylinder 4 from the cylinder 1, then inserts the steel needle 9 into the conjunction groove 21, installs the steel needle 9 through the clamping of the conjunction groove 21 and the adsorption of the permanent magnet 24, then fills the interior of the needle shell 8 and punctures the compacted cotton ball by the steel needle 9, limits the positions of the movable ring plate 23 and the pressing spring 22 in the communication groove 10 through the small inserting bolt, then installs the threaded column 11 in the threaded groove 17 in a hinged manner, further hinges the hinged cylinder 4 into the outer side of the cylinder 1, when the hinged cylinder 4 is hinged to the cylinder 1, the soft ring 14 props against the top of the fixed ring 15 under the elastic force of the limiting spring 16, increases the friction force and simultaneously can be opposite to the thread hinging force of the hinged cylinder 1 of the hinged cylinder 4, so that the hinging is relatively fixed, and the hinging depth is matched, the displacement of the bottom of the needle shell 8 and the steel needle 9 through the outlet of the hinge cylinder 4 is changed, so that the skin piercing depth of the steel needle 9 can be changed, then the flat-head bolt 5 is hinged into the through groove 7 and the rubber strip 6, the hinged position is relatively fixed under the elastic force of the rubber strip 6, when one flat-head bolt 5 is movably inserted into the communication groove 10 and is abutted against the bottom of the movable ring plate 23, the small bolt in the needle shell 8 is drawn out and slid down to be discharged, and then the other flat-head bolt 5 is inserted into the relative position, when the flat-head bolt is pressed for use, the outlet at the bottom of the hinge cylinder 4 is aligned with the finger of a patient, then the press button 3 is pressed, the press button 3 moves the adjusting column 13 downwards, the adjusting column 13 moves downwards to drive the needle shell 8 mechanism to move downwards to pierce the skin, the press button 3 returns under the action of the reset spring 19, the needle shell 8 moves upwards relative to the flat-head bolt 5, and the flat-head bolt 5 releases the limit of the movable ring plate 23, the movable ring plate 23 extrudes the space of the needle shell 8 under the elasticity of the pressing spring 22 to extrude the cotton ball to be convenient for wiping, thereby avoiding being polluted by blood.

Specifically, the adjusting column 13 penetrates through the movable return spring 19 and the limiting ring 18 and extends to the bottom of the limiting ring 18.

In this embodiment, the adjusting column 13 is used for pressing and rebounding under the action of the limit ring 18 and the press button 3 respectively by the return spring 19 under the action of the movable limit of the limit ring 18, and the needle housing 8 mounted at the bottom of the adjusting column is driven to displace for one hundred years.

Specifically, the friction plate 2 is fixedly mounted at the top of the press button 3, and the two sliding blocks 12 are movably mounted inside the limiting sliding groove 20.

In this embodiment, the soft ball of the friction plate 2 at the top of the press button 3 is provided with a hundred years of friction and increased friction, so as to prevent the hand from sliding to affect the operation, the arrangement of the slide block 12 and the limit slide groove 20 is convenient for providing a limit displacement for the press button 3, and simultaneously, the bounce inside the press button 3 provides a supporting force at the bottom of the outer side, and the amount of the limit displacement moves downwards, so that the lower part moves upwards more, and the cooperation operation is convenient.

Specifically, the movable ring plate 23 is movably sleeved inside the needle housing 8, and the specification and the size of the threaded column 11 are matched with those of the threaded groove 17.

In this embodiment, the movable ring plate 23 is limited in the inside sliding of the needle shell 8, and is limited by the steel needle 9 inside, and the structure can be installed in the thread groove 17 through the hinge of the thread column 11, so that the needle head and the cotton ball can be conveniently replaced.

Specifically, the size of the soft ring 14 is matched with that of the hinge barrel 4, and the bottom of the soft ring 14 is in contact with the top of the fixed ring 15.

In this embodiment, the soft ring 14 butts against the bottom of the fixed ring 15 under the action of the limiting spring 16, and the elastic force is transmitted to the opposite sides of the column body 1 and the hinge barrel 4, so that the hinge force at different depths is stable, and the possibility of conveniently adjusting the hinge depth is increased.

Specifically, the outer side of the flat-head bolt 5 is in contact with the outer side of the rubber strip 6, and the specification and the size of the flat-head bolt 5 are matched with those of the through groove 7 and the communication groove 10.

In the embodiment, when the flat-head bolt 5 is inserted into the rubber strip 6, the flat-head bolt 5 is hinged firmly under the elastic extrusion action of the rubber strip 6, and the flat head of the flat-head bolt 5 abuts against the hinged cylinder 4 to form a T shape and is attached to the outer wall to prevent the flat-head bolt from being extruded and deformed and inclined, and meanwhile, when the cotton ball is pressed and ejected, because the pressing depth and the ejection depth of the sliding limiting devices of the limiting chute 20 and the sliding block 12 are different and are fixed by relative displacement, the pressing is relatively shallow and the ejection is relatively deep, so that the downward pressing limiting loss of the movable ring plate 23 limiting the flat-head bolt 5 during pressing is small, the cotton ball can be ejected for the first time due to the large upward displacement of the movable ring plate 23 and the pressing spring 22, after the cotton ball is positioned, the flat-head bolt 5 can rotate and displace downwards under the clamping of the rubber strip 6 to change the depth of the movable ring plate 23 limiting, the cooperation is pressed button 3 one high one low of being similar to the propelling pencil and is pressed spacingly, can guarantee that the cotton ball output is one at a time, goes out one then the adjustment once flat head bolt 5 and rubber strip 6 highly spacing and press button 3 to mutually support, use convenient and play ball stable, flat head bolt 5 can move about to peg graft in the inside of intercommunication groove 10, does not influence its displacement volume.

Specifically, the fitting groove 21 penetrates through the bottom of the threaded column 11 and is communicated with the inside of the needle shell 8, and the specification and the size of the steel needle 9 are matched with those of the fitting groove 21 and the movable annular plate 23.

In the embodiment, the steel needle 9 is inserted in the conjunction groove 21, the steel needle 9 is stable under the limiting of the movable annular plate 23 and the clamping of the depth of the conjunction groove 21, and the adsorption of the permanent magnet 24 is matched, so that the convenience of mounting and dismounting the steel needle 9 is facilitated, and the replacement is facilitated while the cross infection of biochemical pollution is not caused.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent blood sugar blood sampling syringe needle of blood stain pollution, includes cylinder (1) and needle shell (8), its characterized in that: the utility model discloses a hinge joint of the cylinder, including cylinder (1), top fixed mounting of spacing ring (18), reset spring (19), the top fixed mounting of reset spring (19) has press button (3), the bottom fixed mounting of press button (3) has regulation post (13), thread groove (17) have been seted up to the inside of regulation post (13) bottom, two spacing spouts (20) have been seted up to the inside on cylinder (1) top, the outside fixed mounting of press button (3) has two sliders (12), the bottom fixed mounting of cylinder (1) has spacing spring (16), the bottom fixed mounting of spacing spring (16) has soft ring (14), the outside of cylinder (1) bottom articulates there is a hinge joint section of thick bamboo (4), the inside fixed mounting of a hinge joint section of thick bamboo (4) has solid fixed ring (15), the hinge joint comprises a hinge joint barrel (4), and is characterized in that through grooves (7) are formed in two sides of the hinge joint barrel (4), rubber strips (6) are fixedly mounted on two sides of the inner portion of the through grooves (7), flat-head bolts (5) are movably mounted in the rubber strips (6), threaded columns (11) are fixedly mounted at the tops of needle shells (8), fit-in grooves (21) are formed in the threaded columns (11), permanent magnets (24) are fixedly mounted at the tops of inner cavities of the fit-in grooves (21), steel needles (9) are movably mounted at the bottoms of the permanent magnets (24), pressing springs (22) are fixedly mounted at the tops of inner cavities of the needle shells (8), movable annular plates (23) are fixedly mounted at the bottoms of the pressing springs (22), and communication grooves (10) are formed in two sides of the needle shells (8).

2. The blood sugar blood sampling needle capable of preventing blood stain pollution of claim 1, which is characterized in that: the adjusting column (13) penetrates through the movable return spring (19) and the limiting ring (18) and extends to the bottom of the limiting ring (18).

3. The blood sugar blood sampling needle capable of preventing blood stain pollution of claim 1, which is characterized in that: the top of the press button (3) is fixedly provided with a friction plate (2), and the two sliding blocks (12) are movably arranged in the limiting sliding groove (20).

4. The blood sugar blood sampling needle capable of preventing blood stain pollution of claim 1, which is characterized in that: the movable annular plate (23) is movably sleeved inside the needle shell (8), and the specification size of the threaded column (11) is matched with the specification size of the threaded groove (17).

5. The blood sugar blood sampling needle capable of preventing blood stain pollution of claim 1, which is characterized in that: the specification and size of the soft ring (14) are matched with that of the hinge barrel (4), and the bottom of the soft ring (14) is in contact with the top of the fixing ring (15).

6. The blood sugar blood sampling needle capable of preventing blood stain pollution of claim 1, which is characterized in that: the outer side of the flat-head bolt (5) is in contact with the outer side of the rubber strip (6), and the specification size of the flat-head bolt (5) is matched with the specification size of the through groove (7) and the communication groove (10).

7. The blood sugar blood sampling needle capable of preventing blood stain pollution of claim 1, which is characterized in that: the fit groove (21) penetrates through the bottom of the threaded column (11) and is communicated with the interior of the needle shell (8), and the specification and the size of the steel needle (9) are matched with those of the fit groove (21) and the movable annular plate (23).