CN212755655U - Disposable blood taking needle - Google Patents
Disposable blood taking needle Download PDFInfo
- Publication number
- CN212755655U CN212755655U CN201921818740.0U CN201921818740U CN212755655U CN 212755655 U CN212755655 U CN 212755655U CN 201921818740 U CN201921818740 U CN 201921818740U CN 212755655 U CN212755655 U CN 212755655U
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- needle
- cylinder
- groove
- strip
- depressed part
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Abstract
The utility model relates to the technical field of medical instruments, and discloses a disposable blood taking needle, which comprises a needle cylinder and an adjusting device arranged in the needle cylinder, wherein a needle head is arranged on the adjusting device, and the needle head is used for adjusting the extension and retraction of the needle head through the adjusting device; the rear end of the needle cylinder is provided with a concave part, a disinfection cotton sheet is arranged in the concave part, a sealing film used for sealing the concave part is arranged on the needle cylinder, the front end of the needle cylinder is provided with a needle hole opposite to the needle point of the needle head, and the front end of the needle cylinder is also provided with an end cover used for sealing the needle hole; the utility model provides a pair of disposable blood taking needle, it is convenient to use, needn't carry alcohol or alcohol cotton piece in addition, shortens operating time, improves work efficiency, and can avoid the alcohol bottle to bump down, the power is not enough and the hand cocoon skin etc. of once only puncturing causes the waste, can effectively prevent the acupunture wound, accords with the requirement of institute's sense.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to disposable blood taking needle.
Background
The existing clinical or home-used blood taking needles (mostly produced by Schleian) have a springback effect, when in blood taking, the blood can be easily taken only by pressing the fingers of a measured person, the depth of the blood taking needle is controlled by the pressing force, the needle rebounds after being picked, the risk of occupational exposure can be reduced, but the depth is difficult to accurately control, if the cocoon of the finger of the measured person is thick, two or more blood taking needles can be used, and waste is caused; simultaneously, because alcohol is difficult to carry, the time required by dipping and taking, and alcohol cotton sheets prepared by the blood taking needle are difficult to store and carry in equal proportion with the blood taking needle clinically, the situations of low blood sugar measuring speed, forgetting to carry the alcohol and low working efficiency of medical workers caused by the fact that an alcohol bottle is knocked over exist in the blood taking disinfection process.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above-mentioned prior art, the utility model provides a disposable blood taking needle, it is convenient to use, needn't carry alcohol or alcohol cotton piece in addition, shortens operating time, improves work efficiency, and can avoid the alcohol bottle to bump down, the power is not enough and disposable puncture hand cocoon skin etc. causes the waste, can effectively prevent the acupuncture wound, accords with the institute and feels the requirement.
The utility model discloses the technical scheme who adopts does:
a disposable blood taking needle comprises a needle cylinder and an adjusting device arranged in the needle cylinder, wherein a needle head is arranged on the adjusting device, and the needle head is used for adjusting the extension and retraction of the needle head through the adjusting device; the rear end of cylinder is equipped with the depressed part, be equipped with the aseptic cotton piece in the depressed part, it is specific, the aseptic cotton piece is the alcohol cotton piece, be equipped with the seal membrane that is used for sealing the depressed part on the cylinder, the front end of cylinder is equipped with the pinhole relative with the needle point of syringe needle, the front end of cylinder still is equipped with the end cover that is used for sealing the pinhole.
The needle head is arranged on the adjusting device, so that the adjusting device can adjust the extension and retraction of the needle head, the needle head is conveniently retracted after being picked, and the occupational exposure risk can be reduced; because the rear end at the cylinder is equipped with the depressed part, is equipped with the alcohol cotton piece in the depressed part, realizes the sealed to the alcohol cotton piece through the seal membrane, and the end cover realizes the sealed to the pinhole, guarantees the aseptic requirement of this device.
During the use, only need tear the seal membrane, then can directly disinfect to measurand's finger through the alcohol cotton piece that sets up in the depressed part of cylinder rear end, this technical scheme directly sets up the alcohol cotton piece in the rear end of cylinder, and the structural design of integration facilitates the use, and it is troublesome to have solved traditional blood sampling in-process and need carry alcohol in addition and dip in alcohol, easily appears bumping down the problem of alcohol bottle.
In conclusion, the blood taking needle is convenient to use, alcohol or alcohol cotton sheets do not need to be carried additionally, the operation time is shortened, the working efficiency is improved, the waste caused by the fact that an alcohol bottle is knocked over, the strength is insufficient, hand cocoon skin is not punctured once, and the like can be avoided, the puncture wound can be effectively prevented, and the hospital feeling requirement is met.
Further, a strip-shaped groove is formed in the side wall of the needle cylinder along the length direction of the needle cylinder, a sealing film used for sealing the strip-shaped groove is arranged on the needle cylinder, and a strip-shaped opening communicated with the interior of the needle cylinder is formed in the strip-shaped groove along the length direction of the strip-shaped groove; adjusting device includes positioning seat, locating piece and slide rail, positioning seat and slide rail all set up in the cylinder along the length direction of cylinder, the slide rail is located the opposite side of positioning seat, be equipped with two positioning groove on the positioning seat, the positioning groove who is close to the cylinder rear end is positioning groove one, and the positioning groove who is close to the front end of cylinder is positioning groove two, and the locating piece is located positioning groove one under the initial condition, the locating piece is equipped with the spliced pole towards bar open-ended one end, the spliced pole stretches out bar open-ended one end is equipped with the adjusting button, the one end towards the slide rail on the locating piece is equipped with the spring, the tip and the slide rail of spring offset, the syringe needle is installed on the locating piece.
The strip-shaped groove is matched with the design of the adjusting device, the positioning block is positioned in the first positioning groove in an initial state, before blood collection, a sealing film for sealing the strip-shaped groove needs to be torn off, then the adjusting button is pressed, the positioning block is separated from the first positioning groove, the spring is in a compressed state, then the adjusting button is pushed forward, the positioning block reaches the second positioning groove, the positioning block is pushed into the second positioning groove by the resilience of the spring, the needle point is pushed out, and the position of the needle point can be locked; after the blood sampling is finished, the adjusting button is pushed backwards, the positioning block is pushed into the first positioning groove by the rebound force of the spring when the positioning block reaches the first positioning groove, the needle head is retracted, the needle is prevented from being injured by the needle, and the needle is discarded.
This adjusting device's design, the realization that only needs to press and promote just can be convenient is to stretching out and withdrawing of syringe needle, and convenient operation is swift, and the seal membrane can guarantee the sealed to the bar groove, guarantees the aseptic design requirement of product, during the use, can operate adjustment button after directly tearing the seal membrane that is used for sealing the bar groove, realizes the operation to the syringe needle, convenient to use.
Further, in order to guarantee that the adjusting button does not exceed the bar-shaped groove, the setting of the sealing film is convenient, and the adjusting button is located the bar-shaped groove.
Furthermore, in order to ensure that the positioning block can be smoothly separated from the first positioning groove or the second positioning groove in the process of pressing the adjusting button, the length of the connecting column extending out of the strip-shaped opening is greater than or equal to the groove depth of the positioning groove.
Furthermore, in order to guarantee the in-process of button adjusting knob, the pinhole can provide the space of dodging for the syringe needle at skew center, realizes pushing out smoothly of syringe needle, the radius of pinhole is more than or equal to positioning groove's groove depth.
Further, carry out the integral seal to depressed part and bar groove for the convenience, depressed part and bar groove intercommunication, the seal membrane realizes the integral seal to depressed part and bar groove.
Depressed part and bar groove intercommunication are convenient for to the whole of depressed part and bar groove sealed, during the use, only need once tear the seal membrane can, guarantee sealed effect, also can improve the convenience of using when satisfying the aseptic design of product.
Further, for the aseptic sealed of better realization to the product, the bar groove is the U-shaped groove, the rear end and the depressed part intercommunication in U-shaped groove, the front end in U-shaped groove is the blind end.
Further, in order to effectively realize the operation of the adjusting knob, the length of the U-shaped groove is larger than that of the strip-shaped opening.
Further, in order to ensure the structural integrity of the product, the U-shaped groove and the needle cylinder are of an integrated structure.
Further, for better realization with the alcohol cotton piece of depressed part and the better matching of the radian of finger, the convenient disinfection operation to the finger, the depressed part is arc depressed part.
The utility model has the advantages that: the needle head is arranged on the adjusting device, so that the adjusting device can adjust the extension and retraction of the needle head, the needle head is conveniently retracted after being picked, and the occupational exposure risk can be reduced; because the rear end at the cylinder is equipped with the depressed part, is equipped with the alcohol cotton piece in the depressed part, realizes the sealed to the alcohol cotton piece through the seal membrane, and the end cover realizes the sealed to the pinhole, guarantees the aseptic requirement of this device.
During the use, only need tear the seal membrane, then can directly disinfect to measurand's finger through the alcohol cotton piece that sets up in the depressed part of cylinder rear end, this technical scheme directly sets up the alcohol cotton piece in the rear end of cylinder, and the structural design of integration facilitates the use, and it is troublesome to have solved traditional blood sampling in-process and need carry alcohol in addition and dip in alcohol, easily appears bumping down the problem of alcohol bottle.
In conclusion, the blood taking needle is convenient to use, alcohol or alcohol cotton sheets do not need to be carried additionally, the operation time is shortened, the working efficiency is improved, the waste caused by the fact that an alcohol bottle is knocked over, the strength is insufficient, hand cocoon skin is not punctured once, and the like can be avoided, the puncture wound can be effectively prevented, and the hospital feeling requirement is met.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a cross-sectional view of the present invention in an unused state;
FIG. 4 is a cross-sectional view illustrating a process of operating the knob according to the present invention;
fig. 5 is a cross-sectional view of the fully extended needle of the present invention.
In the figure: a needle cylinder 1; a needle head 2; a recessed portion 3; alcohol cotton piece 4; a sealing film 5; a pinhole 6; an end cap 7; a strip-shaped groove 8; a closed end 8.1; a strip-shaped opening 9; a positioning seat 10; a positioning block 11; a slide rail 12; a first positioning groove 13; a second positioning groove 14; a connecting column 15; an adjusting knob 16; and a spring 17.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1 to 5, the present embodiment provides a disposable blood taking needle, which comprises a needle cylinder 1 and an adjusting device arranged in the needle cylinder 1, wherein a needle 2 is mounted on the adjusting device, and the needle 2 adjusts the extending and retracting of the needle 2 through the adjusting device; the rear end of cylinder 1 is equipped with depressed part 3, is equipped with the aseptic cotton piece in the depressed part 3, and is concrete, and the aseptic cotton piece is alcohol cotton piece 4, is equipped with the seal membrane 5 that is used for sealed depressed part 3 on the cylinder 1, and the front end of cylinder 1 is equipped with the pinhole 6 relative with the needle point of syringe needle 2, and pinhole 6 and the coaxial setting of cylinder 1, the front end of cylinder 1 still is equipped with the end cover 7 that is used for sealing pinhole 6.
The needle head 2 is arranged on the adjusting device, so that the adjusting device can adjust the extension and retraction of the needle head 2, the needle head can be conveniently retracted after being picked, and the occupational exposure risk can be reduced; because the rear end at cylinder 1 is equipped with depressed part 3, is equipped with alcohol cotton piece 4 in the depressed part 3, realizes the sealed to alcohol cotton piece 4 through seal membrane 5, and end cover 7 realizes the sealed to pinhole 6, guarantees the aseptic requirement of this device.
During the use, only need tear seal membrane 5, then can be directly disinfect to measurand's finger through the alcohol cotton piece 4 that sets up in the depressed part 3 of cylinder 1 rear end, this technical scheme directly sets up alcohol cotton piece 4 in the rear end of cylinder 1, the structural design of integration facilitates the use, and it is troublesome to have solved traditional blood sampling in-process and need carry alcohol in addition and dip in and get alcohol, the easy problem that falls the alcohol bottle that falls down of appearing.
In conclusion, the blood taking needle is convenient to use, alcohol or alcohol cotton sheets 4 do not need to be carried, the operation time is shortened, the working efficiency is improved, the waste caused by the fact that an alcohol bottle is knocked over, the strength is insufficient, hand cocoon skin is not punctured once, and the like can be avoided, the puncture wound can be effectively prevented, and the hospital feeling requirement is met.
Example 2:
this embodiment is defined by optimization based on embodiment 1 described above.
A strip groove 8 is arranged on the side wall of the needle cylinder 1 along the length direction of the needle cylinder 1, a sealing film 5 for sealing the strip groove 8 is arranged on the needle cylinder 1, and a strip opening 9 communicated with the inside of the needle cylinder 1 is arranged in the strip groove 8 along the length direction of the strip groove 8; adjusting device includes positioning seat 10, locating piece 11 and slide rail 12, positioning seat 10 and slide rail 12 all set up in cylinder 1 along the length direction of cylinder 1, slide rail 12 is located the opposite side of positioning seat 10, be equipped with two positioning groove on positioning seat 10, the positioning groove who is close to 1 rear end of cylinder is positioning groove 13, the positioning groove who is close to the front end of cylinder 1 is positioning groove two 14, locating piece 11 is located positioning groove 13 under the initial condition, locating piece 11 is equipped with spliced pole 15 towards the one end of bar opening 9, spliced pole 15 stretches out the one end of bar opening 9 and is equipped with adjusting button 16, the one end towards slide rail 12 is equipped with spring 17 on locating piece 11, spring 17's tip offsets with slide rail 12, syringe needle 2 is installed on locating piece 11.
The strip-shaped groove 8 is matched with the design of the adjusting device, the positioning block 11 is positioned in the first positioning groove 13 in an initial state, before blood collection, the sealing film 5 for sealing the strip-shaped groove 8 needs to be torn off, then the adjusting button 16 is pressed, the positioning block 11 is separated from the positioning groove, the spring 17 is in a compressed state, then the adjusting button is pushed forward, the positioning block 11 reaches the second positioning groove 14, the positioning block 11 is pushed into the second positioning groove 14 by the rebound force of the spring 17, the pushing of the needle point is completed, and the position of the needle point can be locked; after the blood collection is finished, the adjusting button 16 is pressed and then the adjusting button is pushed backwards, when the positioning block 11 reaches the first positioning groove 13, the positioning block 11 is pushed into the first positioning groove 13 by the rebound force of the spring 17, the needle head 2 is retracted, the needle stick injury is prevented, and the needle stick is discarded.
This adjusting device's design, only need press and the operation that promotes just can be convenient realization to stretching out and withdrawing of syringe needle 2, convenient operation is swift, and seal membrane 5 can guarantee the sealed to bar groove 8, guarantees the aseptic design requirement of product, during the use, can operate adjustment button directly after tearing seal membrane 5 that is used for sealed bar groove 8, realizes the operation to syringe needle 2, convenient to use.
Example 3:
this embodiment is defined by optimization based on embodiment 2 described above.
In order to ensure that the adjusting button does not exceed the strip-shaped groove 8, the sealing film 5 is conveniently arranged, and the adjusting button 16 is positioned in the strip-shaped groove 8.
Example 4:
this embodiment is defined by optimization based on embodiment 2 described above.
In order to ensure that the positioning block 11 can be smoothly separated from the first positioning groove 13 or the second positioning groove 14 in the process of pressing the adjusting button 16, the length of the connecting column 15 extending out of the strip-shaped opening 9 is greater than or equal to the groove depth of the positioning groove.
Example 5:
this embodiment is defined by optimization based on embodiment 2 described above.
In order to ensure that the needle head 2 at the center of the offset can be provided with an avoiding space by the needle hole 6 in the process of pressing the button adjusting button 16, the needle head 2 can be smoothly pushed out, and the radius of the needle hole 6 is larger than or equal to the groove depth of the positioning groove.
Example 6:
this embodiment is defined by optimization based on embodiment 2 described above.
For the convenience carries out the integral seal to depressed part 3 and strip groove 8, depressed part 3 and the intercommunication of strip groove 8, and seal membrane 5 realizes the integral seal to depressed part 3 and strip groove 8.
Example 7:
this embodiment is defined by optimization based on embodiment 2 described above.
In order to better realize the aseptic seal of product, strip groove 8 is the U-shaped groove, and the rear end and the depressed part 3 intercommunication in U-shaped groove, the front end in U-shaped groove are blind end 8.1.
Example 8:
this embodiment is defined by optimization based on embodiment 2 described above.
In order to effectively realize the operation of the adjusting knob 16, the length of the U-shaped groove is larger than the length of the strip-shaped opening 9.
Example 9:
this embodiment is defined by optimizing the above embodiment 7 or 8.
In order to ensure the structural integrity of the product, the U-shaped groove and the needle cylinder 1 are of an integral structure.
Example 10:
this embodiment is defined by optimization based on embodiment 1 described above.
In order to better realize the better matching of the alcohol cotton sheet 4 of the concave part 3 and the radian of the finger and facilitate the disinfection operation of the finger, the concave part 3 is an arc-shaped concave part.
Example 11:
this embodiment is defined by optimizing the above embodiment 3.
In order to ensure that the positioning block 11 can be smoothly separated from the first positioning groove 13 or the second positioning groove 14 in the process of pressing the adjusting button 16, the length of the connecting column 15 extending out of the strip-shaped opening 9 is greater than or equal to the groove depth of the positioning groove.
In order to ensure that the needle head 2 at the center of the offset can be provided with an avoiding space by the needle hole 6 in the process of pressing the button adjusting button 16, the needle head 2 can be smoothly pushed out, and the radius of the needle hole 6 is larger than or equal to the groove depth of the positioning groove.
For the convenience carries out the integral seal to depressed part 3 and strip groove 8, depressed part 3 and the intercommunication of strip groove 8, and seal membrane 5 realizes the integral seal to depressed part 3 and strip groove 8.
In order to better realize the aseptic seal of product, strip groove 8 is the U-shaped groove, and the rear end and the depressed part 3 intercommunication in U-shaped groove, the front end in U-shaped groove are blind end 8.1.
In order to effectively realize the operation of the adjusting knob 16, the length of the U-shaped groove is larger than the length of the strip-shaped opening 9.
In order to ensure the structural integrity of the product, the U-shaped groove and the needle cylinder 1 are of an integral structure.
In order to better realize the better matching of the alcohol cotton sheet 4 of the concave part 3 and the radian of the finger and facilitate the disinfection operation of the finger, the concave part 3 is an arc-shaped concave part.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (10)
1. A disposable blood taking needle is characterized in that: the needle adjusting device comprises a needle cylinder and an adjusting device arranged in the needle cylinder, wherein a needle head is arranged on the adjusting device, and the needle head is used for adjusting the extension and retraction of the needle head through the adjusting device; the rear end of cylinder is equipped with the depressed part, be equipped with the aseptic cotton piece in the depressed part, be equipped with the seal membrane that is used for sealed depressed part on the cylinder, the front end of cylinder is equipped with the pinhole relative with the needle point of syringe needle, the front end of cylinder still is equipped with the end cover that is used for sealing the pinhole.
2. A single use blood lancet according to claim 1, wherein: a strip-shaped groove is formed in the side wall of the needle cylinder along the length direction of the needle cylinder, a sealing film used for sealing the strip-shaped groove is arranged on the needle cylinder, and a strip-shaped opening communicated with the interior of the needle cylinder is formed in the strip-shaped groove along the length direction of the strip-shaped groove; adjusting device includes positioning seat, locating piece and slide rail, positioning seat and slide rail all set up in the cylinder along the length direction of cylinder, the slide rail is located the opposite side of positioning seat, be equipped with two positioning groove on the positioning seat, the positioning groove who is close to the cylinder rear end is positioning groove one, and the positioning groove who is close to the front end of cylinder is positioning groove two, and the locating piece is located positioning groove one under the initial condition, the locating piece is equipped with the spliced pole towards bar open-ended one end, the spliced pole stretches out bar open-ended one end is equipped with the adjusting button, the one end towards the slide rail on the locating piece is equipped with the spring, the tip and the slide rail of spring offset, the syringe needle is installed on the locating piece.
3. A single use blood lancet according to claim 2, wherein: the adjusting button is positioned in the strip-shaped groove.
4. A single use blood lancet according to claim 2, wherein: the length of the connecting column extending out of the strip-shaped opening is greater than or equal to the groove depth of the positioning groove.
5. A single use blood lancet according to claim 2, wherein: the radius of the pinhole is greater than or equal to the groove depth of the positioning groove.
6. A single use blood lancet according to claim 2, wherein: depressed part and bar groove intercommunication, the seal membrane realizes the whole sealed to depressed part and bar groove.
7. A single use blood lancet according to claim 2, wherein: the bar-shaped groove is a U-shaped groove, the rear end of the U-shaped groove is communicated with the concave part, and the front end of the U-shaped groove is a closed end.
8. A single use blood lancet according to claim 7, wherein: the length of the U-shaped groove is larger than that of the strip-shaped opening.
9. A single use lancet according to claim 7 or 8, wherein: the U-shaped groove and the needle cylinder are of an integrated structure.
10. A single use blood lancet according to claim 1, wherein: the depressed part is arc depressed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818740.0U CN212755655U (en) | 2019-10-25 | 2019-10-25 | Disposable blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818740.0U CN212755655U (en) | 2019-10-25 | 2019-10-25 | Disposable blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212755655U true CN212755655U (en) | 2021-03-23 |
Family
ID=75025937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921818740.0U Expired - Fee Related CN212755655U (en) | 2019-10-25 | 2019-10-25 | Disposable blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212755655U (en) |
-
2019
- 2019-10-25 CN CN201921818740.0U patent/CN212755655U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 Termination date: 20211025 |