CN211355512U

CN211355512U - Novel blood taking needle device capable of preventing needle stick injury

Info

Publication number: CN211355512U
Application number: CN201922181878.0U
Authority: CN
Inventors: 汪圆
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2019-12-08
Filing date: 2019-12-08
Publication date: 2020-08-28
Anticipated expiration: 2029-12-08

Abstract

The utility model discloses a novel blood taking needle device capable of preventing needle stick injuries, which comprises a blood drawing needle cylinder, wherein the interior of the blood drawing needle cylinder is connected with a blood drawing piston in a sliding manner, the top of the blood drawing piston is connected with a blood drawing rod in a clamping manner, the bottom of the blood drawing needle cylinder is communicated with a protective mechanism, the right side of the surface of the blood drawing needle cylinder is welded with a clamping mechanism, the surface of the blood drawing needle cylinder is connected with a protective mechanism in a sliding manner, and the clamping mechanism limits the protective mechanism; this novel prevent that needle pricks blood taking needle device for this novel prevent that needle pricks blood taking needle device through the setting of drawing blood cylinder, the piston of drawing blood, the pole of drawing blood, clamping mechanism and protection machanism for this novel prevent that needle pricks blood taking needle device, possess and both can protect subsequent operation, the advantage that is stabbed when also can avoiding fixed safety cover, it only has a safety cover to have solved present blood taking needle device, is difficult to protect subsequent operation, sheathes the problem that the in-process of safety cover stabbed user's hand easily moreover.

Description

Novel blood taking needle device capable of preventing needle stick injury

Technical Field

The utility model relates to the technical field of medical treatment, specifically a novel prevent that acupuncture hinders blood taking needle device.

Background

Needle stick injuries are the most common occupational injuries of clinical nurses and the major route to occupational infections, and more than 20 pathogens have been demonstrated to be transmitted by needle stick injuries, the most common and threatening of which are syphilis, Human Immunodeficiency Virus (HIV) and Hepatitis B Virus (HBV).

The protection that the needle pricked always is the key point of hospital infection management, but present blood taking needle device only has a safety cover, and this kind of safety cover just need be got rid of before drawing blood, faithfully use the novel patent CN208065184U to disclose a paediatrics blood sampling with preventing that the needle pricks the device, through setting up the cylinder that shelters from, has reduced the chance that the human body contacted the syringe needle, has reduced the emergence that the needle pricked, but after the blood taking needle blood sampling, the in-process that sheathes the safety cover still has the syringe needle to prick the risk, is difficult to protect subsequent operation.

Therefore, the novel puncture-injury-preventing blood taking needle device is provided, and the problem that the puncture risk still exists when the needle is sleeved into the protective cover is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel blood taking needle device capable of preventing puncture wound to solve the problem that the needle still has the risk of puncture when the needle is sleeved into the protective cover in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel prevent that acupuncture hinders blood taking needle device, includes the needle section of thick bamboo that draws blood, the inside sliding connection of the needle section of thick bamboo that draws blood has the piston that draws blood, the top joint of the piston that draws blood has the pole of drawing blood, the bottom intercommunication of the needle section of thick bamboo that draws blood has protection machanism, the right side fusing of the needle section of thick bamboo surface that draws blood has latch mechanism, the sliding surface of the needle section of thick bamboo that draws blood is connected with protection machanism, latch mechanism carries on spacingly to protection machanism, protection machanism includes the protective sheath, the inside of protective sheath and the sliding surface of the needle section of drawing blood connect, the spout has all been seted up to the inside both sides of protective sheath, the equal integrated processing in bottom of the needle section of thick bamboo surface both sides of drawing blood has the slider, the needle section of drawing blood.

Preferably, the clamping mechanism comprises a clamping block, the left side of the clamping block is welded with the right side of the surface of the blood drawing needle cylinder, a pressing block is integrally processed on the right side of the clamping block, a clamping groove is formed in the top end of the right side of the surface of the protective sleeve, and the clamping block is clamped with the protective sleeve through the clamping groove.

Preferably, the protection mechanism comprises a needle head, the top end of the needle head is communicated with the bottom end of the blood drawing needle cylinder, and a needle sleeve is clamped on the surface of the needle head.

Preferably, stress sheets are integrally processed on two sides of the top end of the surface of the blood drawing needle cylinder, and the stress sheets are made of plastics.

Preferably, the elastic strip is a rubber band, and the elastic strip is made of rubber.

Preferably, the fixture block is of a J-shaped structure, and the fixture block is made of PE plastic.

Compared with the prior art, the utility model provides a pair of novel blood taking needle device is hindered to needle-prick prevention possesses following beneficial effect:

1. through the arrangement of the blood drawing needle cylinder, the blood drawing piston, the blood drawing rod, the clamping mechanism, the protection mechanism and the protection mechanism, the problems that the blood drawing needle is stabbed and difficult to protect subsequent operation when the blood drawing needle is sleeved in the protection cover can be effectively solved;

2. through the design to the atress piece, can help drawing blood the cylinder and draw the blood activity, give the impetus of activity drawing blood pole, through the design of elastic strip, fixture block, can realize that the blood taking needle is taken after the blood, the auto-eject of protective sheath.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the operation structure of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 4 is a partially enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a blood drawing syringe; 2. a blood drawing piston; 3. a blood drawing rod; 4. a clamping mechanism; 41. a clamping block; 42. briquetting; 43. a card slot; 5. a protection mechanism; 51. a protective sleeve; 52. a chute; 53. a slider; 54. an elastic strip; 6. a stress sheet; 7. a protection mechanism; 71. a needle head; 72. a needle sleeve.

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 and FIG. 2, fig. 3 and 4 show, a novel blood taking needle device for preventing needle stick injury, including blood drawing cylinder 1, the inside sliding connection of blood drawing cylinder 1 has blood drawing piston 2, the top joint of blood drawing piston 2 has blood drawing pole 3, the bottom intercommunication of blood drawing cylinder 1 has protection machanism 7, the right side of blood drawing cylinder 1 surface has welded joint clamping mechanism 4, the sliding surface connection of blood drawing cylinder 1 has protection machanism 5, clamping mechanism 4 is spacing to protection machanism 5, protection machanism 5 includes protective sheath 51, the inside of protective sheath 51 and the sliding surface connection of blood drawing cylinder 1, spout 52 has all been seted up to the inside both sides of protective sheath 51, the equal integrated processing of bottom of blood drawing cylinder 1 surface both sides has slider 53, blood drawing cylinder 1 passes through slider 53 and protective sheath 51 sliding connection, the top bolt of slider 53 has elastic strip 54, the top bolt of elastic strip 54 and the inside top bolt of spout 52.

Referring to fig. 1, 2 and 3, the locking mechanism 4 includes a locking block 41, a left side of the locking block 41 is welded to a right side of the surface of the blood drawing syringe 1, a pressing block 42 is integrally formed on the right side of the locking block 41, a locking groove 43 is formed at a top end of a right side of the surface of the protecting sleeve 51, the locking block 41 is locked with the protecting sleeve 51 through the locking groove 43, and the protecting sleeve 51 can be locked with the protecting sleeve 51, so that the protecting sleeve 51 is prevented from obstructing blood drawing during blood drawing.

Referring to fig. 1 and 2, the protection mechanism 7 comprises a needle 71, the top end of the needle 71 is communicated with the bottom end of the blood drawing syringe 1, and a needle sheath 72 is clamped on the surface of the needle 71, so that the needle 71 and a user can be protected before the device is used, and the user can be prevented from being hurt in the taking process.

Referring to fig. 1 and 2, the two sides of the top of the surface of the blood drawing syringe 1 are integrally formed with a stress plate 6, and the stress plate 6 is made of plastic, which can assist the user to move the blood drawing rod 3.

Referring to fig. 3 and 4, the elastic strip 54 is a rubber band, and the elastic strip 54 is made of rubber, which can ensure the elasticity of the elastic strip 54 to facilitate pulling the protective sleeve 51.

Referring to fig. 1 and 2, the latch 41 has a J-shaped structure, and the latch 41 is made of PE plastic, so that the structure of the latch 41 can ensure that the latch 41 can latch the protection sleeve 51.

The working principle is as follows: the needle sleeve 72 on the needle head 71 is taken down, the needle head 71 is pricked into a blood vessel, the blood drawing rod 3 is moved outwards, the blood drawing rod 3 drives the blood drawing piston 2 to move to form negative pressure, blood is sucked into the blood drawing needle cylinder 1, after the blood drawing is completed, the needle head 71 is pulled out, the press block 42 is pulled outwards, the press block 42 drives the clamp block 41 to deform, the clamp connection with the clamp groove 43 is loosened, the protective sleeve 51 moves downwards quickly under the pulling of the elastic strip 54 to cover the needle head 71, so that a user cannot be pricked, when the blood in the blood drawing needle cylinder 1 needs to be pushed into a sampling tube, the sampling tube is small, the protective sleeve 51 cannot obstruct the sampling tube when the needle head 71 is pricked into the sampling tube, the needle sleeve 72 is only removed in the blood drawing process, the needle sleeve 72 does not need to be worn again, and the pricking caused by wearing the needle sleeve 72 cannot.

In conclusion, through the arrangement of the blood drawing needle cylinder, the blood drawing piston, the blood drawing rod, the clamping mechanism, the protection mechanism and the protection mechanism, the problems that the blood drawing needle is stabbed and difficult to protect subsequent operation when the blood drawing needle is sleeved in the protection cover can be effectively solved; through the design to the atress piece, can help drawing blood the cylinder and draw the blood activity, give the impetus of activity drawing blood pole, through the design of elastic strip, fixture block, can realize that the blood taking needle is taken after the blood, the auto-eject of protective sheath.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 novel prevent that needle stick hinders blood taking needle device, includes blood drawing cylinder (1), its characterized in that: the inside sliding connection who draws blood syringe (1) has piston (2) of drawing blood, the top joint of piston (2) of drawing blood has pole (3) of drawing blood, the bottom intercommunication of the syringe of drawing blood (1) has protection machanism (7), the right side fuse joint on the syringe of drawing blood (1) surface has latch mechanism (4), the sliding surface connection who draws blood syringe (1) has protection machanism (5), latch mechanism (4) are spacing to protection machanism (5), protection machanism (5) include protective sheath (51), the inside of protective sheath (51) and the sliding surface connection who draws blood syringe (1), spout (52) have all been seted up to the inside both sides of protective sheath (51), the equal integrated processing in bottom of syringe of drawing blood (1) surface both sides has slider (53), the syringe of drawing blood (1) is through slider (53) and protective sheath (51) sliding connection, the top of the sliding block (53) is bolted with an elastic strip (54), and the top end of the elastic strip (54) is bolted with the top end inside the sliding groove (52).

2. The novel lancet device for preventing needle stick injury according to claim 1, wherein: clamping mechanism (4) include fixture block (41), the left side of fixture block (41) and the right side butt fusion on bloodletting cylinder (1) surface, the right side integrated into one piece of fixture block (41) has briquetting (42), draw-in groove (43) have been seted up on the top on protective sheath (51) surface right side, fixture block (41) are through draw-in groove (43) and protective sheath (51) joint.

3. The novel lancet device for preventing needle stick injury according to claim 1, wherein: protection machanism (7) include syringe needle (71), the top of syringe needle (71) and the bottom intercommunication of taking a blood needle section of thick bamboo (1), the surface joint of syringe needle (71) has needle cover (72).

4. The novel lancet device for preventing needle stick injury according to claim 1, wherein: stress sheets (6) are integrally processed on two sides of the top end of the surface of the blood drawing needle cylinder (1), and the stress sheets (6) are made of plastics.

5. The novel lancet device for preventing needle stick injury according to claim 1, wherein: the elastic strip (54) is a rubber band, and the elastic strip (54) is made of rubber.

6. The novel lancet device for preventing needle stick injury according to claim 2, wherein: the fixture block (41) is of a J-shaped structure, and the fixture block (41) is made of PE plastic.