CN104970809A - Safety blood taking needle - Google Patents
Safety blood taking needle Download PDFInfo
- Publication number
- CN104970809A CN104970809A CN201410143371.5A CN201410143371A CN104970809A CN 104970809 A CN104970809 A CN 104970809A CN 201410143371 A CN201410143371 A CN 201410143371A CN 104970809 A CN104970809 A CN 104970809A
- Authority
- CN
- China
- Prior art keywords
- needle
- saddle
- protective sleeve
- handle
- syringe needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a safety blood taking needle. The safety blood taking needle comprises a sliding piece, a hose, a straight needle body, a straight needle handle and a syringe needle body. The two ends of the hose are communicated with the straight needle body and the sliding piece respectively. The straight needle handle is arranged at the joint of the straight needle body and the hose. The safety blood taking needle further comprises a protection cover, a protection sleeve and a handle. One end of the sliding piece is fixed to and communicated with the syringe needle body, and the other end of the sliding piece is connected with the hose. The two ends of the protection sleeve are open, the protection cover is movably arranged on the sliding piece in a sleeving mode and attached to the sliding piece, and the length of the protection cover is larger than the combined length of the syringe needle body and the sliding piece. At least one axial side gap is formed in the side edge of the protection cover. The handle and the sliding piece are fixed, and the handle stretches out of the protection sleeve through the side gap. The inner diameter of the protection cover is larger than the outer diameter of a vacuum pipe, and the protection cover is arranged outside the straight needle body in a covering mode and is spirally fixed to the straight needle handle. The sliding piece is arranged to slide on a needle base to shield the syringe needle body, and the safety of processing the syringe needle body is greatly improved after blood taking. Using of a spring type syringe needle body is avoided, and pain of patients is relieved.
Description
Technical field
The present invention relates to a kind of safe blood-taking needle.
Background technology
Blood sampling assay technique is quite ripe at present, but also do not reach not blood sampling and the object of reaching a conclusion in patient, or the initial procedure of chemical examination will be completed by blood taking needle and blood taking tube, so one of blood taking needle medical device product that to be current global sales maximum.But it is worth noting, the blood collection needles human injury accident that current countries in the world hospital causes because of syringe needle fracture or medical personnel's misoperation occurs millions of person-times every year.The statistical data display that American Medical Association announces, only the U.S. about occurs that 1,000,000 person-times of medical personnel are unexpected is stabbed accident by blood taking needle every year, wherein has at least over thousands of people can by hepatitis B virus, hepatitis C virus and the AIDS viral infection that syringe needle adheres to.At every turn be 3000 dollars per capita because blood collection needles fracture by the emergency treatment expense that the medical personnel that stab and patient produce.
Domestic and international companies drops into the research and development of safety blood taking medical device energetically, and safe blood-taking needle is in the market very many, and these safety blood taking equipment have a lot of deficiency: first production cost is very high; It two is complex manufacturing; Its three be the quality of production be difficult to ensure; It four is medical personnel's complex operations; Its five be security function be difficult to ensure.
At present, conventional non-once blood taking needle after a procedure, to need to needle guard on pinhead sleeve to protect syringe needle, such as, prevent syringe needle to be bent or collision etc.But so create again new safety problem, medical worker is when overlapping syringe needle by needle guard, because syringe needle is very thin, the diameter of needle guard is also little, easily stabs finger, causes the serious consequences such as medical staff infection.
For this defect, some blood taking needles have employed the technological means of retractable needle, after blood sampling completes, utilize the isostructural elastic force of spring, syringe needle are retracted to one for the protection of in the structure such as protective sleeve of syringe needle.So, although can available protecting syringe needle, avoid medical worker to be wounded by stabbing, but patient can be caused painful greatly because of the mechanical action of needle retractable.
On the other hand, the staight needle for inserting vacuum tube of the blood taking needle flexible pipe other end, after opening needle guard, is often also in naked state, processing safety is reduced.
Summary of the invention
The technical problem to be solved in the present invention is the defect in order to overcome prior art safety lower, easy aggravation patient suffering, provides the blood taking needle that a kind of safety is higher, patient suffering is less.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of safe blood-taking needle, it includes a saddle, a flexible pipe, a staight needle, always needle handle and a syringe needle, the two ends of described flexible pipe are communicated with described saddle with described staight needle respectively, described staight needle handle is arranged at the junction of described staight needle and described flexible pipe, described staight needle is for inserting a vacuum tube, its feature is, described safe blood-taking needle also includes a protective cover, a protective sleeve and at least one handle;
One end of described saddle is fixed and is communicated with described syringe needle, the other end and described hose connection;
Described protective sleeve is that two ends are provided with opening, being sheathed on described saddle and being close to described saddle of described protective sleeve activity, and the length of described protective sleeve on activity direction is greater than the pattern length of described syringe needle and described saddle;
The side of described protective sleeve offers at least one axial latasuture, described handle and described saddle fix, and described handle extends to described protective sleeve from described latasuture;
Described handle is used for slidably reciprocating along described latasuture described syringe needle is switched between the state exposed completely and the state of being covered by described protective sleeve;
The internal diameter of described protective cover is greater than the external diameter of described vacuum tube, and it is outer and fix with described staight needle handle spiral that described protective cover covers at described staight needle.Wherein, flexible pipe is the soft tube being used as blood transfusion tube etc. that field of medical products is commonly used, and does not repeat herein.
That is, blood taking needle of the present invention, protective sleeve will be longer than the pattern length of syringe needle and saddle, and so, above-mentioned saddle just can slidably reciprocate in protective sleeve, makes syringe needle cover at protected cover and expose completely between two states and switches.
During use, saddle slides into one end of protective sleeve in an initial condition, and (making the state that syringe needle exposes completely), takes a blood sample; After having taken a blood sample, saddle slided to flexible pipe direction to protective sleeve by handle and cover syringe needle completely.So, safety promotes greatly.
In addition, fixed handle on saddle, handle can, through the latasuture on protective sleeve side, be that track drives saddle to slide back and forth with latasuture.
Preferably, described safe blood-taking needle also includes one first elastic cushion block and two the second elastic cushion blocks;
Described first elastic cushion block is attached at described saddle on the periphery of one end of described flexible pipe, and, the laminating of the edge of described first elastic cushion block and the surface smoothing of described saddle;
Described second elastic cushion block is attached at the two ends of the inner side of described protective sleeve respectively; described second elastic cushion block be used for described saddle slide into described protective sleeve cover completely described syringe needle or described syringe needle expose completely time; fasten with described first elastic washer, to limit the movement of described saddle.
That is, saddle to slide into toward syringe needle direction cover syringe needle or described syringe needle expose completely time, in order to saddle and needle stand are fixed, the second elastic cushion block can with the first elastic cushion block fasten fixing.Because the inwall of the first elastic cushion block and saddle is level and smooth laminating, extruding that therefore can be comparatively level and smooth is advanced into the position engaged with the second elastic cushion block.
Preferably, described safe blood-taking needle also comprises a fastener and two spring secures rail to sleepers;
Described fastener is arranged on described saddle; described two spring secures rail to sleepers are arranged on described protective sleeve; described fastener and described two spring secures rail to sleepers be used for described protective sleeve slide into cover completely described syringe needle or described syringe needle expose completely time; be interlocked with described spring secures rail to sleeper, to limit the movement of described protective sleeve.
That is, saddle slides axially along needle stand, and when needing to take a blood sample, the spring secures rail to sleeper of the fastener on saddle and one end of protective sleeve fastens, and syringe needle exposes completely.After having taken a blood sample, when needing syringe needle to cover, then saddle is slid into fastener and engage with the spring secures rail to sleeper of the other end on needle stand, to cover syringe needle.In addition, said spring secures rail to sleeper herein, the fastener maintaining snap-fit relationship with elastic force referred to, can engagement release relation as long as apply the external force being greater than elastic force.
Preferably, described handle is integrated is arranged on described saddle.
Preferably, described protective sleeve is made up of elastomeric material, described protective sleeve and described spring secures rail to sleeper one-body molded, described saddle and described fastener one-body molded, described protective sleeve is provided with some vacancy sections.
When to arrange vacancy section be herein on the one hand to make protective sleeve cover syringe needle, still can from the position of all angles by perusal syringe needle, thus operation be made to have more safety; On the other hand, when the first elastic card fastener is arranged to one-body molded with saddle, then vacancy section is that the action of the first elastic card fastener provides activity space.
Positive progressive effect of the present invention is: slide to cover syringe needle on needle stand by arranging saddle, significantly promotes after making blood sampling to the safety of the process of syringe needle; Because avoid the use of spring syringe needle, reduce the misery of patient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the safe blood-taking needle of present pre-ferred embodiments.
Fig. 2 is the cross-sectional view of the safe blood-taking needle of present pre-ferred embodiments.
Detailed description of the invention
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.Fig. 1 is the structural representation of the safe blood-taking needle of the present embodiment; Fig. 2 is the cross-sectional view of the safe blood-taking needle of the present embodiment; as shown in Fig. 1 ~ 2; the safe blood-taking needle that the present embodiment relates to includes: saddle 3, flexible pipe 4, staight needle 51, staight needle handle 41 and syringe needle 2; the two ends of flexible pipe 4 are communicated with saddle 3 with staight needle 51 respectively; staight needle handle 41 is arranged at the junction of staight needle 51 and flexible pipe 4; staight needle 51 is for inserting a vacuum tube, and safe blood-taking needle also includes protective cover 5, protective sleeve 1 and two handles 31.
One end of saddle 3 is fixed and is communicated with syringe needle 2, and the other end is connected with flexible pipe 4; Handle is integrated to be arranged on saddle 3.Protective sleeve 1 is provided with opening for two ends, being sheathed on saddle 3 and being close to saddle 3 of protective sleeve 1 activity, and the length of protective sleeve 1 on activity direction is greater than the pattern length of syringe needle 2 and saddle 3.The side of protective sleeve 1 offers at least one axial latasuture, handle 31 and saddle 3 fix, and handle 31 extends to protective sleeve 1 from latasuture.Switch between handle 31 makes syringe needle 2 cover in the state exposed completely and protected cover 1 state for slidably reciprocating along latasuture.
The internal diameter of protective cover 5 is greater than the external diameter of vacuum tube, and it is outer and fix with staight needle handle 41 spiral that protective cover 5 covers at staight needle 51.That is, protective sleeve 1 will be longer than the pattern length of syringe needle 2 and saddle 3, and so, above-mentioned saddle 3 just can slidably reciprocate in protective sleeve 1, makes syringe needle 2 cover at protected cover 1 and expose completely between two states and switches.
During use, saddle 3 slides into one end of protective sleeve 1 in an initial condition, and (making the state that syringe needle 2 exposes completely), takes a blood sample; After having taken a blood sample, saddle 3 slided to flexible pipe 4 direction to protective sleeve 1 by handle and cover syringe needle 2 completely.So, safety promotes greatly.
In addition, fixed handle 31 on saddle 3, handle 31 can, through the latasuture on protective sleeve 1 side, be that track drives saddle 3 to slide back and forth with latasuture.
Further, safe blood-taking needle also comprises a fastener (not shown) and spring secures rail to sleeper 11, spring secures rail to sleeper 12.
Fastener is arranged on saddle 3; be specially the joint portion of saddle 3 and handle 31; spring secures rail to sleeper 11, spring secures rail to sleeper 12 are arranged on protective sleeve 1; fastener and spring secures rail to sleeper 11, spring secures rail to sleeper 12 for slide at protective sleeve 1 cover completely syringe needle 2 or syringe needle 2 expose completely time; be interlocked with spring secures rail to sleeper 11, spring secures rail to sleeper 12 respectively, to limit the movement of protective sleeve 1.
That is, saddle 3 slides axially along needle stand, and when needing to take a blood sample, the spring secures rail to sleeper 11 of the fastener on saddle 3 and protective sleeve 1 fastens, and syringe needle 2 exposes completely.After having taken a blood sample, when needing syringe needle 2 to cover, then saddle 3 is slid into fastener and engage with the spring secures rail to sleeper 12 of the other end on needle stand, to cover syringe needle 2.In addition, said spring secures rail to sleeper herein, the fastener maintaining snap-fit relationship with elastic force referred to, can engagement release relation as long as apply the external force being greater than elastic force.
Preferably, protective sleeve 1 is made up of elastomeric material, and protective sleeve 1 is one-body molded with spring secures rail to sleeper, and saddle 3 is one-body molded with fastener, and protective sleeve 1 is provided with some vacancy sections.
When to arrange vacancy section be herein on the one hand to make protective sleeve 1 cover syringe needle 2, still can from the position of all angles by perusal syringe needle 2, thus operation be made to have more safety; On the other hand, when the first elastic card fastener is arranged to one-body molded with saddle 3, then vacancy section is that the action of the first elastic card fastener provides activity space.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that this only illustrates, protection scope of the present invention is defined by the appended claims.Those skilled in the art is under the prerequisite not deviating from principle of the present invention and essence; various changes or modifications can be made to these embodiments; such as; do not use spring secures rail to sleeper and the such buckle structure of draw-in groove; but it is first-class in needle stand to adopt elastic cushion block the fastening saddle of mode such as mutually to engage, but these change and amendment all falls into protection scope of the present invention.
Claims (5)
1. a safe blood-taking needle, it includes a saddle, a flexible pipe, a staight needle, always needle handle and a syringe needle, the two ends of described flexible pipe are communicated with described saddle with described staight needle respectively, described staight needle handle is arranged at the junction of described staight needle and described flexible pipe, described staight needle is for inserting a vacuum tube, it is characterized in that, described safe blood-taking needle also includes a protective cover, a protective sleeve and at least one handle;
One end of described saddle is fixed and is communicated with described syringe needle, the other end and described hose connection;
Described protective sleeve is that two ends are provided with opening, being sheathed on described saddle and being close to described saddle of described protective sleeve activity, and the length of described protective sleeve on activity direction is greater than the pattern length of described syringe needle and described saddle;
The side of described protective sleeve offers at least one axial latasuture, described handle and described saddle fix, and described handle extends to described protective sleeve from described latasuture;
Described handle is used for slidably reciprocating along described latasuture described syringe needle is switched between the state exposed completely and the state of being covered by described protective sleeve;
The internal diameter of described protective cover is greater than the external diameter of described vacuum tube, and it is outer and fix with described staight needle handle spiral that described protective cover covers at described staight needle.
2. safe blood-taking needle as claimed in claim 1, it is characterized in that, described safe blood-taking needle also includes one first elastic cushion block and two the second elastic cushion blocks;
Described first elastic cushion block is attached at described saddle on the periphery of one end of described flexible pipe, and, the laminating of the edge of described first elastic cushion block and the surface smoothing of described saddle;
Described second elastic cushion block is attached at the two ends of the inner side of described protective sleeve respectively; described second elastic cushion block be used for described saddle slide into described protective sleeve cover completely described syringe needle or described syringe needle expose completely time; fasten with described first elastic washer, to limit the movement of described saddle.
3. safe blood-taking needle as claimed in claim 1, it is characterized in that, described safe blood-taking needle also comprises a fastener and two spring secures rail to sleepers;
Described fastener is arranged on described saddle; described two spring secures rail to sleepers are arranged on described protective sleeve; described fastener and described two spring secures rail to sleepers be used for described protective sleeve slide into cover completely described syringe needle or described syringe needle expose completely time; be interlocked with described spring secures rail to sleeper, to limit the movement of described protective sleeve.
4. safe blood-taking needle as claimed in claim 1, it is characterized in that, described handle is integrated to be arranged on described saddle.
5. safe blood-taking needle as claimed in claim 3, it is characterized in that, described protective sleeve is made up of elastomeric material, described protective sleeve and described spring secures rail to sleeper one-body molded, described saddle and described fastener one-body molded, described protective sleeve is provided with some vacancy sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143371.5A CN104970809A (en) | 2014-04-11 | 2014-04-11 | Safety blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143371.5A CN104970809A (en) | 2014-04-11 | 2014-04-11 | Safety blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104970809A true CN104970809A (en) | 2015-10-14 |
Family
ID=54268174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410143371.5A Pending CN104970809A (en) | 2014-04-11 | 2014-04-11 | Safety blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104970809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320143A (en) * | 2017-07-02 | 2017-11-07 | 成都智慧鑫艺工业产品设计有限公司 | A kind of surgery needle holder with protection device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11319086A (en) * | 1998-05-19 | 1999-11-24 | Top:Kk | Protector for winged needle |
| US20030163096A1 (en) * | 2002-02-28 | 2003-08-28 | Becton, Dickinson And Company | Shieldable fluid collection set |
| CN201642029U (en) * | 2010-02-09 | 2010-11-24 | 侯丽娜 | Safe disposable blood taking needle |
| CN102670213A (en) * | 2012-03-27 | 2012-09-19 | 河南曙光健士医疗器械集团有限公司 | Disposable anti-pricking venous blood sampling needle |
| CN202751647U (en) * | 2012-07-06 | 2013-02-27 | 胡江敏 | Novel disposable and safe dual-purpose needle head device for transfusion and blood collection |
| CN103153363A (en) * | 2010-07-15 | 2013-06-12 | Mddp有限责任公司 | I.V. infusion or blood collection apparatus |
| CN202982015U (en) * | 2012-10-26 | 2013-06-12 | 张建铭 | Integral type vacuum blood sampling device with needle tip protective sleeve |
| CN204181630U (en) * | 2014-04-11 | 2015-03-04 | 上海金塔医用器材有限公司 | Safe blood-taking needle |
-
2014
- 2014-04-11 CN CN201410143371.5A patent/CN104970809A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11319086A (en) * | 1998-05-19 | 1999-11-24 | Top:Kk | Protector for winged needle |
| US20030163096A1 (en) * | 2002-02-28 | 2003-08-28 | Becton, Dickinson And Company | Shieldable fluid collection set |
| CN201642029U (en) * | 2010-02-09 | 2010-11-24 | 侯丽娜 | Safe disposable blood taking needle |
| CN103153363A (en) * | 2010-07-15 | 2013-06-12 | Mddp有限责任公司 | I.V. infusion or blood collection apparatus |
| CN102670213A (en) * | 2012-03-27 | 2012-09-19 | 河南曙光健士医疗器械集团有限公司 | Disposable anti-pricking venous blood sampling needle |
| CN202751647U (en) * | 2012-07-06 | 2013-02-27 | 胡江敏 | Novel disposable and safe dual-purpose needle head device for transfusion and blood collection |
| CN202982015U (en) * | 2012-10-26 | 2013-06-12 | 张建铭 | Integral type vacuum blood sampling device with needle tip protective sleeve |
| CN204181630U (en) * | 2014-04-11 | 2015-03-04 | 上海金塔医用器材有限公司 | Safe blood-taking needle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320143A (en) * | 2017-07-02 | 2017-11-07 | 成都智慧鑫艺工业产品设计有限公司 | A kind of surgery needle holder with protection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |
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| RJ01 | Rejection of invention patent application after publication |