CN203970401U - A kind of pen type safe blood-taking needle - Google Patents
A kind of pen type safe blood-taking needle Download PDFInfo
- Publication number
- CN203970401U CN203970401U CN201420169870.7U CN201420169870U CN203970401U CN 203970401 U CN203970401 U CN 203970401U CN 201420169870 U CN201420169870 U CN 201420169870U CN 203970401 U CN203970401 U CN 203970401U
- Authority
- CN
- China
- Prior art keywords
- needle
- blood
- urceolus
- transparent window
- needle holder
- 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.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
This utility model relates to a kind of pen type safe blood-taking needle, belongs to one of medical equipment.This blood taking needle comprises the needle holder being arranged in urceolus needle holder mouth, by the protrusion fin on it, be buckled in the button mouth of urceolus, in the transparent window mouth of needle holder top, transparent window is installed, transparent window comprises outer wall and needle tubing, between outer wall and needle tubing, form the cushion chamber that reduces transparent window internal air pressure, the top of puncture needle, collection blood pin is installed in needle tubing, is provided with the gap of 0.5-2mm between puncture needle and collection blood pin, the bottom of collection blood pin is arranged in the pin hole of needle holder body; Collection blood pin below is provided with counterseal cover, and the inside, one end of urceolus is provided with the block that stops needle holder to pass.This utility model has been installed transparent window, in the process of taking a blood sample, can clearly see blood, determines that blood taking needle inserts blood vessel, take a blood sample, without extruding, avoided the inaccurate secondary puncture that carries out of judgement, relatively simple for structure, easy to use, improved work efficiency.
Description
Technical field
This utility model relates to a kind of blood taking needle, belongs to medical equipment technical field of structures.
background technology
Blood taking needle is a kind of conventional medical equipment, and the pen type blood collection occurring at present, when taking a blood sample, is used in conjunction with needle holder, just looks at less than blood back.After use with the process of the separated individual processing of needle holder; because our national conditions medical personnel's workload is large; be easy to occur pricking wound; so in order to protect medical personnel; putative pen type blood collection (it has blood flow large with respect to current flexible pipe blood taking needle, does not produce the plurality of advantages such as haemolysis and blood coagulation) is difficult to promote in China in the world.In order to address this problem, spy has invented the written examination safe blood-taking needle that has retraction function and can see blood back.
Summary of the invention
The purpose of this utility model is to solve pen type blood collection safe handling and does not injure medical personnel, and can see that blood back brings convenience to clinical use, and a kind of pen type safe blood-taking needle that can see blood back simple in structure is provided.
This utility model provides a kind of a kind of pen type safe blood-taking needle with following structure for overcoming the above problems, it comprises urceolus 1, needle holder 2, pin 3, counterseal cover 4, sheath 5, its special character is that needle holder 2 is arranged in urceolus 1, by the protrusion fin 2-2 on it, be buckled in the button mouth 1-2 of urceolus 1, in the transparent window mouth 2-3 of needle holder 2 tops, transparent window 6 is installed, the top of transparent window 6 is arranged in the needle holder mouth 1-5 of urceolus 1, urceolus 1 is by whole transparent window 6 parcels, transparent window 6 comprises outer wall 6-1 and needle tubing 6-2, between outer wall 6-1 and needle tubing 6-2, form the cushion chamber 6-3 that reduces transparent window 6 internal air pressures, puncture needle 3-1 is installed in needle tubing 6-2, the top of collection blood pin 3-2, between puncture needle 3-1 and collection blood pin 3-2, be provided with the gap of 0.5-2mm, the bottom of collection blood pin 3-2 is arranged in the pin hole 2-5 of needle holder 2 body 2-1, collection blood pin 3-2 below is provided with counterseal cover 4, and the inside, one end of urceolus 1 is provided with the block 1-4 that stops needle holder 2 to pass, and last puncture needle 3-1 position has sheath 5 to be enclosed within on the front end of urceolus 1 to protect.
Described urceolus 1 comprises cylindrical shell 1-1, the top sidewall of cylindrical shell 1-1 be provided with the protrusion fin 2-1 card of needle holder 2 and button mouth 1-2, the correspondence position of button mouth 1-2 is provided with button 1-3, the inner side, end away from button mouth 1-2 of urceolus 1 is provided with the block 1-4 that stops needle holder 2 to pass, and offers the needle holder mouth 1-5 of installation transparent window 6 near the end of button mouth 1-2;
For the ease of observing blood back, described urceolus 1 is transparent urceolus;
Described needle holder 2 comprises the body 2-1 that contains pin hole 2-5, the outer rim of body 2-1 is provided with the arcuated fin piece of expansion downwards and protrudes fin 2-2, the top of body 2-1 is provided with the transparent window mouth 2-3 that transparent window 6 is installed, and the below of body 2-1 is provided with the counterseal running-on 2-4 that counterseal cover 4 is installed.
This utility model has been installed transparent window, in the process of taking a blood sample, can clearly see blood, determines that blood taking needle inserts blood vessel, take a blood sample, without extruding, avoided the inaccurate secondary puncture that carries out of judgement, relatively simple for structure, easy to use, improved work efficiency.
Accompanying drawing explanation
Fig. 1: this utility model removes the axonometric chart of sheath;
Fig. 2: this utility model removes the full sectional view after sheath;
Fig. 3: urceolus axonometric chart;
Fig. 4: pin is installed axonometric chart;
Fig. 5: the cutaway view that pin is installed;
Fig. 6: needle holder axonometric chart;
Fig. 7: the structural representation of sheath;
In figure: 1, urceolus, 1-1, cylindrical shell, 1-2, button mouth, 1-3, button, 1-4, block, 1-5, needle holder mouth, 2, needle holder, 2-1, body, 2-2, protrusion fin, 2-3, transparent window mouth, 2-4, counterseal running-on, 2-5, pin hole, 3, pin, 3-1, puncture needle, 3-2, collection blood pin, 4, counterseal cover, 5, sheath.
The specific embodiment
Referring to accompanying drawing, provide the specific embodiment of the present utility model, be used for structure of the present utility model to be described further.
Embodiment 1: with reference to figure 1-7.This blood taking needle comprises transparent urceolus 1, the top sidewall of cylindrical shell 1-1 is provided with the button mouth 1-2 with the protrusion fin 2-1 buckle of needle holder 2, the correspondence position of button mouth 1-2 is provided with button 1-3, the inner side, end away from button mouth 1-2 of urceolus 1 is provided with the block 1-4 that stops needle holder 2 to pass, end near button mouth 1-2 offers the needle holder mouth 1-5 that transparent window 6 is installed, needle holder 2 is arranged in transparent urceolus 1, protruding fin 2-1 is buckled in button mouth 1-2, needle holder 2 is fixed in urceolus 1, owing to needing certain stress pin could be dragged the buckle of 2-1 to be stuck in button mouth 1-2 position in installation process, so adopted blood afterwards by make buckle separated by button 1-3, under the effect of self stress, pin drags and is arranged on pin 3 that pin drags and rebounds together with transparent window in transparent urceolus 1, pin is shielded.Pin 3 is divided into two sections, be arranged on puncture needle 3-1 in transparent window 6 needle tubing 6-2 and be arranged on the collection blood pin 3-2 in the pin hole 2-5 of needle holder 2 body 2-1, the bottom of collection blood pin 3-2 is provided with the counterseal cover 4 that stops blood to flow out, between puncture needle 3-1 and collection blood pin 3-2, be provided with the gap of 0.5-2mm, when blood taking needle is used, hand-held transparent urceolus 1, sheath 5 is taken off from puncture needle 3-1, puncture needle 3-1 is penetrated to blood sampling site to take a blood sample, when blood enters in puncture needle 3-1, because being less than human vein, the air pressure in cushion chamber 6-3 presses, the gap that blood can see through between puncture needle 3-1 and collection blood pin 3-2 enters in cushion chamber 6-3, medical personnel just can see blood from transparent window 6, determine successfully, then with negative tube, take a blood sample, after having gathered blood, puncture needle 3-1 is extracted, then press button 1-3, needle holder 2 can be under the effect of resilience force, spring in urceolus 1, block in urceolus 1 is blocked, can not eject and hurt people.
Protection domain of the present utility model is not limited to above embodiment, every identical with technical solutions of the utility model structure or be equal to, pen type safe blood-taking needle that operation principle is similar, all belong to protection domain of the present utility model.
Claims (5)
1. a pen type safe blood-taking needle, it comprises urceolus (1), needle holder (2), pin (3), counterseal cover (4), sheath (5), it is characterized in that needle holder (2) is arranged in urceolus (1), by the protrusion fin (2-2) on it, be buckled in the button mouth (1-2) of urceolus (1), in the transparent window mouth (2-3) of needle holder (2) top, transparent window (6) is installed, the top of transparent window (6) is arranged in the needle holder mouth (1-5) of urceolus (1), urceolus (1) wraps up whole transparent window (6), transparent window (6) comprises outer wall (6-1) and needle tubing (6-2), between outer wall (6-1) and needle tubing (6-2), form the cushion chamber (6-3) that reduces transparent window (6) internal air pressure, puncture needle (3-1) is installed in needle tubing (6-2), the top of collection blood pin (3-2), between puncture needle (3-1) and collection blood pin (3-2), be provided with the gap of 0.5-2mm, the bottom of collection blood pin (3-2) is arranged in the pin hole (2-5) of needle holder (2) body (2-1), collection blood pin (3-2) below is provided with counterseal cover (4), and the inside, one end of urceolus (1) is provided with the block (1-4) that stops needle holder (2) to pass, and last puncture needle (3-1) position has sheath (5) cover to be arranged on the front end of urceolus (1) to protect.
2. a kind of pen type safe blood-taking needle according to claim 1, is characterized in that urceolus (1) is transparent urceolus.
3. according to a kind of pen type safe blood-taking needle described in claim 1 or 2, it is characterized in that described urceolus (1) comprises cylindrical shell (1-1), the top sidewall of cylindrical shell (1-1) be provided with protrusion fin (2-1) card of needle holder (2) and button mouth (1-2), the correspondence position of button mouth (1-2) is provided with button (1-3), the inner side, end away from button mouth (1-2) of urceolus (1) is provided with the block (1-4) that stops needle holder (2) to pass, and offers the needle holder mouth (1-5) of installation transparent window (6) near the end of button mouth (1-2).
4. according to a kind of pen type safe blood-taking needle described in claim 1 or 2, it is characterized in that described sheath (5) is arranged on puncture needle (3-1) upper, cover is set to the button mouth (1-2) of urceolus (1) and locates.
5. according to a kind of pen type safe blood-taking needle described in claim 1 or 2, it is characterized in that described needle holder (2) comprises the body (2-1) that contains pin hole (2-5), the outer rim of body (2-1) is provided with the arcuated fin piece of expansion downwards and protrudes fin (2-2), the top of body (2-1) is provided with transparent window (6), and the below of body (2-1) is provided with the counterseal running-on (2-4) that counterseal cover (4) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169870.7U CN203970401U (en) | 2014-04-10 | 2014-04-10 | A kind of pen type safe blood-taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169870.7U CN203970401U (en) | 2014-04-10 | 2014-04-10 | A kind of pen type safe blood-taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203970401U true CN203970401U (en) | 2014-12-03 |
Family
ID=51967876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420169870.7U Expired - Fee Related CN203970401U (en) | 2014-04-10 | 2014-04-10 | A kind of pen type safe blood-taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203970401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680345A (en) * | 2019-10-18 | 2020-01-14 | 上海宝舜医疗器械有限公司 | Safety protection mechanism for blood taking needle |
-
2014
- 2014-04-10 CN CN201420169870.7U patent/CN203970401U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680345A (en) * | 2019-10-18 | 2020-01-14 | 上海宝舜医疗器械有限公司 | Safety protection mechanism for blood taking needle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204318799U (en) | The medical amniotic fluid sampler of obstetrics | |
| CN202497155U (en) | Improved pen-type safe blood taking needle | |
| CN103735288B (en) | A kind of single chamber oocyte collector | |
| CN208626298U (en) | A kind of pleural effusion puncture drainage remaining needle | |
| CN203970401U (en) | A kind of pen type safe blood-taking needle | |
| CN203396614U (en) | Disposable excrement collector | |
| CN204091999U (en) | A kind of pen type safe blood-taking needle | |
| CN204683625U (en) | The disposable vein blood taking needle that a kind of safety is higher | |
| CN201847685U (en) | Pen-holder-type blood taking needle | |
| CN203736234U (en) | Hydrops sampling device for endocrinology department | |
| CN204318864U (en) | A kind of Thyroid puncture needle with negtive-pressure implement | |
| CN201968686U (en) | Safety holding device for pen type blood collection needle | |
| CN201912093U (en) | Safe pen type blood taking needle | |
| CN209153774U (en) | A kind of internal medicine cell tissue collector | |
| CN203208089U (en) | Anatomical paracentesis sheath knife | |
| CN208511141U (en) | A kind of obstetrical apparatus for artificial rupture of membrane | |
| CN202060783U (en) | Novel pen type safe blood-taking needle | |
| CN203290915U (en) | Combined blood taking needle | |
| CN205322369U (en) | Epididymis aspiration biopsy needle | |
| CN215778271U (en) | Puncture needle with multi-point sampling function | |
| CN204336933U (en) | Counterflow-preventing blood taking needle | |
| CN203724599U (en) | Thoracic cannula puncture needle | |
| CN102106735A (en) | Pen type safety blood taking needle | |
| CN202714871U (en) | Tumor puncture needle | |
| CN215128711U (en) | Press type blood sampling device for clinical laboratory |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141203 Termination date: 20160410 |