CN210903044U

CN210903044U - Lower touch type painless safe blood taking needle

Info

Publication number: CN210903044U
Application number: CN201921658574.2U
Authority: CN
Inventors: 姬明礼
Original assignee: Second Affiliated Hospital Of Xingtai Medical College
Current assignee: Second Affiliated Hospital Of Xingtai Medical College
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-03
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a lower touch type painless safety blood taking needle, which comprises a shell and a protective cover of a telescopic sleeve column, wherein a cap is sleeved at the inner position below the shell, a convex press column is arranged at the position of the middle inner wall above the cap, a second spring is sleeved at the position of the outer wall above the convex press column, a fixed blood taking needle is sleeved at the inner position above the second spring, the protective cover is set as the protective cover of the telescopic sleeve column, and the inner fixed sleeve column is set as the fixed telescopic sleeve column, when the protective cover of the telescopic sleeve column performs protective sleeve joint work and fixed placing work, the fixed telescopic sleeve column can perform protective sleeve joint work through the extension of the hollow telescopic sleeve column, and simultaneously, the damage of the fixed telescopic sleeve column is avoided through the contraction of the hollow telescopic sleeve column, so that the fixed telescopic sleeve column can perform better work, meanwhile, the telescopic sleeve column protective cover can work better.

Description

Lower touch type painless safe blood taking needle

Technical Field

The utility model belongs to the technical field of the safety blood taking needle is relevant, concretely relates to lower touch pressure formula painless safety blood taking needle.

Background

The safety blood taking needle is one of disposable blood taking needles, and has two types of pressing type and locking and clamping type; can avoid the possibility of infection of medical workers in the blood sampling operation in the global range, such as AIDS virus, hepatitis and other diseases.

The prior safe blood taking needle technology has the following problems: when the existing safety blood taking needle is used, because the protective cover is fixedly connected with the inner fixed sleeve column, the safety blood taking needle forms a whole, and meanwhile, the length of the fixed sleeve column is one centimeter longer than the height of the protective cover, so that the fixed sleeve column can be easily broken when the sleeve joint work and the fixed placing work are carried out, and the fixed hollow sleeve column can not be used for protection work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lower touch pressure formula painless safe blood taking needle to the fixed sleeve post that provides will break problem easily in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the lower touch type painless safety blood taking needle comprises a shell and a telescopic sleeve column protective cover, wherein a cap is sleeved at the inner position of the lower part of the shell, a convex pressing column is arranged at the position of the inner wall in the middle of the upper part of the cap, a spring is sleeved at the position of the outer wall of the upper part of the convex pressing column, a fixed blood taking needle is sleeved at the inner position of the upper part of the spring, a trigger sleeve is arranged at the inner position of the upper part of the shell, the trigger sleeve is positioned at the middle position of the fixed blood taking needle and the middle position of the shell, a spring is arranged at the position of the inner wall of the top end of the trigger sleeve and at the middle position of the upper part of the fixed blood taking needle, the telescopic sleeve column protective cover is sleeved at the position of the outer wall of the shell, the telescopic sleeve column protective cover comprises a fixed protective cover and a fixed telescopic sleeve column, the fixed, Fixed cavity socle and fixed connection post, fixed connection post lower extreme position department is provided with the flexible socle of cavity, the flexible socle of cavity lower extreme position department is provided with fixed cavity socle, flexible socle protective cover is located trigger cover top position department.

Preferably, the shape structure of the shell is a convex structure, an opening is formed in the position of the upper end of the shell, and the height and the thickness of the shell are respectively set to be five centimeters and five millimeters.

Preferably, the cap is by elasticity lid and L type connecting block, and L type connecting block is located elasticity and covers upper end left and right sides position department, and L type connecting block is provided with female connection hole towards medial aspect inside position department in addition, and female connection hole sets up to four, the cap passes through fixation nut and type compression leg fixed connection.

Preferably, the shape structure of the convex compression leg is set to be a convex cylindrical structure, internal thread fixing holes are arranged at the inner positions of the front side and the rear side of the left side of the convex compression leg and the inner positions of the front side and the rear side of the right side of the convex compression leg, and the convex compression leg is fixedly connected with the cap through the internal thread fixing holes.

Preferably, fixed blood taking needle comprises connecting sleeve post, support column, semicircle card post and blood taking needle, and connecting sleeve post is located support column lower extreme position department, and semicircle card post upper outer wall position department in the support column, and the blood taking needle is located support column upper end position department in addition, and lower part outer wall position department all is provided with a spring in support column upper end and the blood taking needle simultaneously.

Preferably, trigger cover comprises J type cylinder and the shape of falling a Chinese character 'ao' shaped opening cylinder, and the shape of falling a Chinese character 'ao' shaped opening cylinder is located J type cylinder upper end position department, trigger set up to twenty five millimeters high.

Preferably, the diameter of the first spring is twice one point of the diameter of the second spring, and the lengths of the first spring and the second spring are set to be one centimeter.

Compared with the prior art, the utility model provides a lower touch pressure formula painless safe blood taking needle possesses following beneficial effect:

1. the utility model discloses set the protective cover to flexible cover post protective cover, and fixed flexible cover post has been set to fixed cover post to inside fixed cover post, protect the cover work and fixed when putting work at flexible cover post protective cover, through the extension of the flexible cover post of cavity, will make fixed flexible cover post can protect the cover work, also the shrink through the flexible cover post of cavity simultaneously, just avoided the damage of fixed flexible cover post, thereby make fixed flexible cover post can work better, also make flexible cover post protective cover can work better simultaneously.

2. The utility model discloses install flexible cover post protective cover, when flexible cover post protective cover uses, through the fixed cavity cover post of pulling, will make the flexible cover post of cavity elongated, thereby make fixed flexible cover post reach appointed length, and can protect the work of cup jointing better, fix when putting work, in case touch fixed cavity cover post, and when pressure is too big, the flexible cover post of cavity will carry out shrink work, thereby it carries out shrink work to drive fixed cavity cover post, the damage of fixed flexible cover post has been avoided, make fixed flexible cover post can work better, also make flexible cover post protective cover can work better simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of a bottom-contact type painless safety blood taking needle according to the present invention;

fig. 2 is a schematic view of the anatomical structure of the internal device proposed by the present invention;

fig. 3 is a schematic structural view of a protective cover for a telescopic sleeve column of the present invention;

fig. 4 is a schematic structural view of the hollow telescopic sleeve column provided by the present invention;

in the figure: 1. a telescopic sleeve column protective cover; 11. fixing a protective cover; 12. fixing the telescopic sleeve column; 121. a hollow telescopic sleeve column; 122. fixing the hollow sleeve column; 123. fixing a connecting column; 2. a cap; 3. a housing; 4. a trigger sleeve; 5. fixing the blood taking needle; 6. a first spring; 7. pressing the column in a convex shape; 8. and a second spring.

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. 1-4, the present invention provides a technical solution: a lower touch type painless safe blood taking needle comprises a shell 3 and a telescopic sleeve pillar protective cover 1, wherein the shape structure of the shell 3 is a convex structure, an opening is arranged at the position of the upper end of the shell 3, the height and the thickness of the shell 3 are respectively five centimeters and five millimeters, in order to better perform fixed connection work and better perform protection work, a cap cover 2 is sleeved at the inner position below the shell 3, the cap cover 2 comprises an elastic cover and an L-shaped connecting block, the L-shaped connecting block is positioned at the left side and the right side of the upper end of the elastic cover, in addition, an inner threaded connecting hole is arranged at the inner position of the middle side of the L-shaped connecting block, the number of the inner threaded connecting holes is four, the cap cover 2 is fixedly connected with a convex pressing pillar 7 through a fixing nut, the convex pressing pillar 7 can better perform pushing and pressing work on a fixed blood taking needle 5 by pressing the cap cover 2, the convex pressing pillar 7 is arranged, the convex compression column 7 is of a convex cylindrical structure, internal thread fixing holes are formed in the inner positions of the front side and the rear side of the left side and the inner positions of the front side and the rear side of the right side of the convex compression column 7 and are fixedly connected with the cap 2 through the internal thread fixing holes, the blood taking needle 5 can be better pushed and fixed through the convex compression column 7, the second spring 8 can be better compressed, the second spring 8 is sleeved at the outer wall position above the convex compression column 7, the fixed blood taking needle 5 is sleeved at the inner position above the second spring 8, the fixed blood taking needle 5 consists of a connecting sleeve column, a supporting column, a semicircular clamping column and a blood taking needle, the connecting sleeve column is located at the lower end position of the supporting column, the semicircular clamping column is located at the upper outer wall position in the supporting column and is located at the upper end position of the supporting column, and the first spring 6 is arranged at the upper end of the supporting column and, by fixing the blood taking needle 5, the fixing work can be better carried out, meanwhile, in order to better collect the blood, the spring 6 can be better compressed, the spring 8 can be better pulled, the preparation for the reset work can be better carried out, the triggering sleeve 4 is arranged at the position above the shell 3, the triggering sleeve 4 consists of a J-shaped cylinder and an inverted concave-shaped opening cylinder, the concave-shaped opening cylinder is positioned at the upper end position of the J-shaped cylinder, the height of the triggering sleeve 4 is set to be twenty-five millimeters, in order to better fix the blood taking needle 5, the triggering sleeve 4 for better fixing the spring 6 is positioned at the middle position between the fixed blood taking needle 5 and the shell 3, the spring 6 is arranged at the position of the inner wall at the top end of the triggering sleeve 4 and the position above the fixed blood taking needle 5, the diameter of the spring 6 is twice the diameter of the spring 8, the length of the first spring 6 and the second spring 8 is set to be one centimeter, the first spring 6 and the second spring 8 can be better reset and the fixed blood taking needle 5 can be better used for collecting blood, a telescopic sleeve column protective cover 1 is sleeved at the outer wall position of the shell 3, the telescopic sleeve column protective cover 1 comprises a fixed protective cover 11 and a fixed telescopic sleeve column 12, the fixed telescopic sleeve column 12 is arranged at the middle inner wall position of the top end of the fixed protective cover 11, the fixed telescopic sleeve column 12 comprises a hollow telescopic sleeve column 121, a fixed hollow sleeve column 122 and a fixed connecting column 123, a hollow telescopic sleeve column 121 is arranged at the lower end position of the fixed connecting column 123, a fixed hollow sleeve column 122 is arranged at the lower end position of the hollow telescopic sleeve column 121, the telescopic sleeve column protective cover 1 is arranged at the position above the trigger sleeve 4, and the hollow sleeve column 121 can be lengthened by pulling the fixed hollow sleeve column 122, thereby make fixed flexible jacket post 12 reach appointed length, and can protect the work of cup jointing better, fix when putting work, in case touch fixed cavity jacket post 122, and when pressure is too big, the flexible jacket post 121 of cavity will contract work, thereby drive fixed cavity jacket post 122 and carry out the work of contracting, the damage of fixed flexible jacket post 12 has been avoided, make fixed flexible jacket post 12 can work better, also make flexible jacket post protective cover 1 can work better simultaneously.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the medical staff uses the painless safe blood taking needle, the medical staff pulls the fixed protective cover 11 outwards to separate the telescopic sleeve column protective cover 1 from the shell 3, after the telescopic sleeve column protective cover 1 is separated from the shell 3, the medical staff contacts the trigger sleeve 4 with the skin of the fingers of the patient, then the convex compression column 7 is pressed by pressing the cap cover 2, so that the second spring 8 is compressed, when the convex compression column 7 is contacted with the fixed blood taking needle 5, the fixed blood taking needle 5 is pressed in the trigger sleeve 4, so as to compress the first spring 6, after the clamping column above the fixed blood taking needle 5 is fixedly contacted with the trigger sleeve 4, the upper end of the fixed blood taking needle 5 is fixed in the trigger sleeve 4, and the fixed blood taking needle 5 can better perform the blood collection work, this is the working principle of the whole device.

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 lower touch-press type painless safe blood taking needle, includes shell (3) and flexible cover post protective cover (1), its characterized in that: the lower inner position of the shell (3) is sleeved with a cap (2), the upper middle inner wall position of the cap (2) is provided with a convex compression column (7), the upper outer wall position of the convex compression column (7) is sleeved with a second spring (8), the upper inner position of the second spring (8) is sleeved with a fixed blood taking needle (5), the upper inner position of the shell (3) is provided with a trigger sleeve (4), the trigger sleeve (4) is positioned at the middle position of the fixed blood taking needle (5) and the shell (3), the top inner wall position of the trigger sleeve (4) and the middle upper position of the fixed blood taking needle (5) are provided with a first spring (6), the outer wall position of the shell (3) is sleeved with a telescopic sleeve column protective cover (1), and the telescopic sleeve column protective cover (1) comprises a fixed protective cover (11) and a fixed telescopic sleeve column (12), fixed protective cover (11) top middle inner wall position department is provided with fixed flexible cover post (12), fixed flexible cover post (12) are including the flexible cover post of cavity (121), fixed cavity cover post (122) and fixed connection post (123), fixed connection post (123) lower extreme position department is provided with the flexible cover post of cavity (121), the flexible cover post of cavity (121) lower extreme position department is provided with fixed cavity cover post (122), flexible cover post protective cover (1) is located trigger cover (4) top position department.

2. The lower touch type painless safety lancet of claim 1, characterized in that: the shape structure of shell (3) sets up to the structure of type of protruding font, shell (3) upper end position department is provided with the opening, shell (3) height and thickness set up to five centimetres and five millimeters respectively.

3. The lower touch type painless safety lancet of claim 1, characterized in that: cap (2) are by elasticity lid and L type connecting block, and L type connecting block is located elasticity and covers upper end left and right sides position department, and L type connecting block is provided with female connection hole towards well side inside position department in addition, and female connection hole sets up to four, cap (2) are through fixation nut and type of protruding pressure post (7) fixed connection.

4. The lower touch type painless safety lancet of claim 1, characterized in that: the shape structure of type of protruding compression leg (7) sets up to type of protruding cylinder structure, both sides internal position department around type of protruding compression leg (7) left and right-hand front and back both sides internal position department are provided with the internal thread fixed orifices, and pass through internal thread fixed orifices and cap (2) fixed connection.

5. The lower touch type painless safety lancet of claim 1, characterized in that: fixed blood taking needle (5) comprises connecting sleeve post, support column, semicircle card post and blood taking needle, and connecting sleeve post is located support column lower extreme position department, and semicircle card post upper outer wall position department in being located the support column, and the blood taking needle is located support column upper end position department in addition, and below outer wall position department all is provided with spring (6) in support column upper end and the blood taking needle simultaneously.

6. The lower touch type painless safety lancet of claim 1, characterized in that: trigger cover (4) comprise J type cylinder and the shape of falling a Chinese character 'ao' shaped opening cylinder, and the shape of a Chinese character 'ao' shaped opening cylinder is located J type cylinder upper end position department, trigger cover (4) height sets up to twenty five millimeters.

7. The lower touch type painless safety lancet of claim 1, characterized in that: the diameter of the first spring (6) is twice of that of the second spring (8), and the lengths of the first spring (6) and the second spring (8) are set to be one centimeter.