CN201042538Y - Safe lien needle - Google Patents
Safe lien needle Download PDFInfo
- Publication number
- CN201042538Y CN201042538Y CNU2007200391373U CN200720039137U CN201042538Y CN 201042538 Y CN201042538 Y CN 201042538Y CN U2007200391373 U CNU2007200391373 U CN U2007200391373U CN 200720039137 U CN200720039137 U CN 200720039137U CN 201042538 Y CN201042538 Y CN 201042538Y
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- CN
- China
- Prior art keywords
- needle
- resilient protection
- protection spare
- locating slot
- puncture 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a safety-type remaining needle, which comprises a puncture needle, a conduit, and a conduit base. The puncture needle comprises a slot needle tube and a side handle, a side slot is provided on the front portion of the slot needle tube, an elastic protector is provided on the rear portion of the conduit base, a downward clamp is provided on the upper portion of the elastic protector, the length of the elastic proctor in front of the clamp is larger than the length of the slot needle tube in front of the side slot, and a positioning slot for receiving the puncture needle is provided on the lower portion of the elastic protector. When the puncture needle is pulled out of the conduit base, the clamp of the elastic protector is stuck in the side slot of the slot needle tube such that the elastic protector is sheathed on the head portion of the slot needle tube and can be extracted from the conduit base with the puncture needle. The utility model can protect the puncture needle while withdrawing the needle from the conduit and the conduit base, and fundamentally prevent medical personnel from being punctured by the puncture needle and catching diseases.
Description
Technical field
This utility model relates to a kind of medical apparatus, particularly the safe type retention needle that uses on the clinical medicine.
Background technology
Present remaining needle mainly includes puncture needle, conduit, catheter block and infusion connector assembly, and casing seat is connected the sleeve pipe rear end, and puncture needle comprises the notch needle tubing that is plugged in conduit and the catheter block, the side handle that is exposed to catheter block.After medical personnel use venous indwelling at the patient's vein vascular puncture, puncture needle to be extracted from catheter block rear end and conduit, comparatively softish duct portion is kept somewhere in the patient's vein blood vessel, carries out continuously to the patient or transfusion discontinuously by conduit.Because it is flexible that soft conduit has, when remaining needle placed vein, conduit can be tortuous synchronously with vein, makes the injection site still can freely move, to alleviate the sense of discomfort of patient when using.
But existing remaining needle can't effectively shield puncture needle after extracting puncture needle, thereby medical personnel are when cleaning or discarded this remaining needle, is subjected to needle stick injury easily and catches.Especially the used puncture needle of infected patient (as: hepatitis, AIDS VICTIMS) is stabbed, and consequence is hardly imaginable.
Summary of the invention
This utility model purpose is: a kind of safe type retention needle is provided, and this remaining needle makes puncture needle from conduit, be protected when catheter block withdraws from, and prevents that fundamentally medical personnel are punctured the generation that acupuncture injures the incident of catching.
The technical solution of the utility model is: a kind of safe type retention needle; comprise puncture needle and conduit; the rear end of conduit is connected with catheter block; puncture needle comprises the notch needle tubing that is plugged in conduit and the catheter block; be exposed to the side handle of catheter block; the front portion of notch needle tubing is provided with the side channel hole; the rear portion of described catheter block is provided with resilient protection spare; the notch needle tubing passes resilient protection spare and stretches in the conduit; the top of resilient protection spare is provided with downward fixture block; resilient protection spare is positioned at the forward length of fixture block and is positioned at the forward length in side channel hole greater than the notch needle tubing; the bottom of resilient protection spare is provided with the locating slot of shelving puncture needle; when puncture needle is extracted catheter block; but the side channel hole of the fixture block card entry slot lancet pipe of resilient protection spare makes resilient protection spare wrap in notch needle tubing head and extracts catheter block with puncture needle.
The further technical scheme of this utility model is: a kind of safe type retention needle, comprise puncture needle and conduit, the rear end of conduit is connected with catheter block, puncture needle comprises the notch needle tubing that is plugged in conduit and the catheter block, be exposed to the side handle of catheter block, the front portion of notch needle tubing is provided with the side channel hole, the rear portion of described catheter block is provided with resilient protection spare, the notch needle tubing passes resilient protection spare and stretches in the conduit, the top of resilient protection spare is provided with downward fixture block, resilient protection spare is positioned at the forward length of fixture block and is positioned at the forward length in side channel hole greater than the notch needle tubing, the bottom of resilient protection spare is provided with the locating slot of shelving puncture needle, when puncture needle is extracted catheter block, but the side channel hole of the fixture block card entry slot lancet pipe of resilient protection spare makes resilient protection spare wrap in notch needle tubing head and extracts catheter block with puncture needle;
Described resilient protection spare is repeatedly bent up and down by strip piece and surrounds, the two ends of strip piece is positioned at the front end and oblique back, the inwardly setting of resilient protection spare, the strip piece of resilient protection spare rear end face is provided with circular hole, fixture block is repeatedly to be formed by the bending of the strip piece of resilient protection spare upside, the strip piece bending that is positioned at resilient protection spare downside repeatedly forms boss rank upwards, locating slot is opened on the boss rank, the notch needle tubing inserts from the circular hole of resilient protection spare rear end face, passes locating slot and passes from the slit of the two ends of strip piece;
The upper end of described strip piece and the front portion of the strip piece between the fixture block are oblique preceding, downward inclined-plane, and when the notch needle tubing passed from the slit of the two ends of strip piece, the stressed outside turnover in inclined-plane also was against on the inwall of catheter block;
One of scheme of above-mentioned locating slot is: locating slot comprises the mutual corresponding opening in both sides before and after the boss rank, and the locating slot between two openings directly is in communication with the outside;
Two of the scheme of above-mentioned locating slot is: locating slot comprises the mutual corresponding opening in both sides before and after the boss rank, be connected with spacer between two openings forming the cell wall of locating slot, locating slot along the distance of catheter block axis direction less than the distance of side channel hole along the catheter block axis direction;
Described locating slot is a locating slot.
This utility model advantage is:
1. this utility model makes puncture needle from conduit, be protected when catheter block withdraws from; if fixture block is aimed in the side channel hole; fixture block snaps in the side channel hole when then withdrawing from; if side channel hole misalignment fixture block; fixture block snaps in the opening on boss rank when then withdrawing from; guaranteed that puncture needle withdraws from back resilient protection spare and wraps in notch needle tubing head, prevented that fundamentally medical personnel are punctured the generation that acupuncture injures the incident of catching.
2. whether this utility model is provided with the side channel hole in the front portion of notch needle tubing, and the side channel hole is communicated with the pin hole of notch needle tubing, so can have blood flow to go out to judge whether success of pricker according to the side channel hole during pricker, and the liquid of having avoided pricker to be forbidden to bring oozes dew.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further described:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a puncture needle of the present utility model sketch map when inserting;
Sketch map when Fig. 3 extracts for puncture needle of the present utility model;
Fig. 4 is the A-A cutaway view of Fig. 2;
Fig. 5 is the vertical view of Fig. 2;
Fig. 6 is the sketch map of elasticity guard member in this utility model.
Wherein: 1 puncture needle; 2 conduits; 3 catheter blocks; 4 notch needle tubings; 5 side handles; 6 side channel holes; 7 resilient protection spares; 8 fixture blocks; 9 strip pieces; 10 circular holes; 11 boss rank; 12 locating slots; 13 sheaths; 14 batching pigs; 15 upper ends; 16 lower ends; 17 inclined-planes; 18 openings.
The specific embodiment
Embodiment: extremely shown in Figure 6 as Fig. 1; a kind of safe type retention needle; comprise puncture needle 1 and conduit 2; the rear end of conduit 2 is connected with catheter block 3; puncture needle 1 comprises the notch needle tubing 4 that is plugged in conduit 2 and the catheter block 3; be exposed to the side handle 5 of catheter block 3; the front portion of notch needle tubing 4 is provided with side channel hole 6; the rear portion of catheter block 3 is provided with resilient protection spare 7; notch needle tubing 4 passes resilient protection spare 7 and stretches in the conduit 2; the rear portion of resilient protection spare 7 is provided with inside fixture block 8; resilient protection spare 7 is positioned at fixture block 8 forward length and is positioned at side channel hole 6 forward length greater than notch needle tubing 4; the bottom of resilient protection spare 7 is provided with the locating slot 12 of shelving puncture needle 1; when puncture needle 1 is extracted catheter block 3; but the fixture block 8 of resilient protection spare 7 snaps in the side channel hole 6 of notch needle tubing 4, makes resilient protection spare 7 wrap in notch needle tubing 4 heads and extracts catheter block 3 with puncture needle 1.
Resilient protection spare 7 is repeatedly bent up and down by strip piece 9 and surrounds; the two ends up and down 15 and 16 of strip piece 9 be positioned at resilient protection spare 7 front end and oblique after; inwardly be provided with; the strip piece 9 of resilient protection spare 7 rear end faces is provided with circular hole 10; fixture block 8 is that strip piece 9 bending by resilient protection spare 7 rear portion upsides repeatedly forms; strip piece 9 bendings that are positioned at resilient protection spare 7 rear portion downsides repeatedly form boss rank 11 upwards; locating slot 12 is opened on the boss rank 11; notch needle tubing 4 inserts from the circular hole 10 of resilient protection spare 7 rear end faces, passes locating slot 12 and passes from the slit of the two ends up and down 15 of strip piece 9 and 16.
The upper end 15 of strip piece 9 and the front portion of the strip piece 9 between the fixture block 8 be oblique before, downward inclined-plane 17, when notch needle tubing 4 passed from the slit of the two ends 15 of strip piece 9 and 16, inclined-plane 17 stressed outside turnovers also were against on the inwall of catheter block 3.
During use; pull out sheath 13; pinch side handle 5 with hands, the puncture needle 1 that is with conduit 2 is thrust vein, then puncture needle 1 is withdrawed from conduit 2 backward; and from the batching pig 14 of catheter block 3, extract out; the side channel hole 6 of puncture needle 1 is during through resilient protection spare 7, if fixture block 8, then the side channel holes 6 of fixture block 8 card entry slot lancet pipes 4 are aimed in side channel hole 6; make resilient protection spare 7 wrap in notch needle tubing 4 heads and extract catheter block 3, thereby the safety that realizes the puncture needle assembly abandons with puncture needle 1.
One of embodiment of above-mentioned locating slot is: locating slot 12 comprises that the locating slot 12 between mutual corresponding opening 18, two openings 18 in both sides, 11 front and back, boss rank directly is in communication with the outside.
When puncture needle 1 retreats; if side channel hole 6 misalignment fixture blocks 8; then also may be stuck in opening 18 places on boss rank 11, guaranteed that puncture needle 1 withdraws from back resilient protection spare 7 and wraps in notch needle tubing 4 heads, prevent that fundamentally medical personnel are punctured the generation that acupuncture injures the incident of catching.
Two of the embodiment of above-mentioned locating slot is: locating slot 12 comprises the mutual corresponding opening 18 in both sides, 11 front and back, boss rank, be connected with spacer between two openings 18 forming the cell wall of locating slot 12, locating slot 12 is along the distance of the catheter block 3 axis directions distance less than catheter block 3 axis directions in side channel hole 6.
When puncture needle 1 retreats; if side channel hole 6 misalignment fixture blocks 8; because the length of locating slot 12 is less than the length in side channel hole 6; therefore side channel hole 6 also may be stuck in the outside of two openings 18; guaranteed that puncture needle 1 withdraws from back resilient protection spare 7 and wraps in notch needle tubing 4 heads, prevented that fundamentally medical personnel are punctured the generation that acupuncture injures the incident of catching.
Can whether there be blood flow to go out to judge whether success of pricker according to side channel hole 6 during this utility model pricker, has blood flow to go out then pricker success during pricker in the side channel hole 6, instead then unsuccessful, ooze dew with regard to the liquid of having avoided pricker to be forbidden bringing like this.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.In addition to the implementation, this utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within this utility model scope required for protection.
Claims (6)
1. safe type retention needle; comprise puncture needle (1) and conduit (2); the rear end of conduit (2) is connected with catheter block (3); puncture needle (1) comprises the notch needle tubing (4) that is plugged in conduit (2) and the catheter block (3); be exposed to the side handle (5) of catheter block (3); the front portion of notch needle tubing (4) is provided with side channel hole (6); it is characterized in that: the rear portion of described catheter block (3) is provided with resilient protection spare (7); notch needle tubing (4) passes resilient protection spare (7) and stretches in the conduit (2); the top of resilient protection spare (7) is provided with downward fixture block (8); resilient protection spare (7) is positioned at the forward length of fixture block (8) and is positioned at the forward length in side channel hole (6) greater than notch needle tubing (4); the bottom of resilient protection spare (7) is provided with the locating slot (12) of shelving puncture needle (1); when puncture needle (1) is extracted catheter block (3); the fixture block (8) of resilient protection spare (7) but the side channel hole (6) of card entry slot lancet pipe (4) make resilient protection spare (7) wrap in notch needle tubing (4) head and extract catheter block (3) with puncture needle (1).
2. according to the described safe type retention needle of claim 1; it is characterized in that: described resilient protection spare (7) is repeatedly bent up and down by strip piece (9) and surrounds; the two ends (15 of strip piece (9); 16) be positioned at resilient protection spare (7) front end and oblique after; inwardly be provided with; the strip piece (9) of resilient protection spare (7) rear end face is provided with circular hole (10); fixture block (8) is repeatedly to be formed by the bending of the strip piece (9) of resilient protection spare (7) upside; strip piece (9) bending that is positioned at resilient protection spare (7) downside repeatedly forms boss rank (11) upwards; locating slot (12) is opened on the boss rank (11); notch needle tubing (4) inserts from the circular hole (10) of resilient protection spare (7) rear end face; passing locating slot (12) passes from the slit of the two ends (15,16) of strip piece (9).
3. according to the described safe type retention needle of claim 2, it is characterized in that: the upper end (15) of described strip piece (9) and the front portion of the strip piece (9) between the fixture block (8) are oblique preceding, downward inclined-plane (17), notch needle tubing (4) is from the two ends (15 of strip piece (9), when passing in the slit 16), inclined-plane (17) stressed outside turnover also is against on the inwall of catheter block (3).
4. according to the described safe type retention needle of claim 2, it is characterized in that: described locating slot (12) comprises the mutual corresponding opening in both sides (18) before and after the boss rank (11), and the locating slot (12) between two openings (18) directly is in communication with the outside.
5. according to the described safe type retention needle of claim 2, it is characterized in that: described locating slot (12) comprises the mutual corresponding opening in both sides (18) before and after the boss rank (11), be connected with spacer between two openings (18) forming the cell wall of locating slot (12), locating slot (1) along the distance of catheter block (3) axis direction less than side channel hole (6) distance along catheter block (3) axis direction.
6. according to claim 4 or 5 described safe type retention needles, it is characterized in that: described locating slot (12) is a locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200391373U CN201042538Y (en) | 2007-05-24 | 2007-05-24 | Safe lien needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200391373U CN201042538Y (en) | 2007-05-24 | 2007-05-24 | Safe lien needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201042538Y true CN201042538Y (en) | 2008-04-02 |
Family
ID=39257423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200391373U Expired - Fee Related CN201042538Y (en) | 2007-05-24 | 2007-05-24 | Safe lien needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201042538Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641528A (en) * | 2012-05-08 | 2012-08-22 | 江苏苏云医疗器材有限公司 | Safety remaining needle |
| CN103071204A (en) * | 2013-01-29 | 2013-05-01 | 苏州林华医疗器械有限公司 | Safety type detaining needle with disposable use |
| CN103463691A (en) * | 2013-09-26 | 2013-12-25 | 青岛大学医学院附属医院 | Venous indwelling needle for hemodialysis |
| CN103736170A (en) * | 2013-10-12 | 2014-04-23 | 苏州市雅思精密模具有限公司 | Anti-puncture remaining needle |
| CN107469191A (en) * | 2017-09-26 | 2017-12-15 | 湖北楚天药业有限责任公司 | A kind of anti-venous indwelling needle |
| CN108568010A (en) * | 2018-04-28 | 2018-09-25 | 冯莞婷 | Remaining needle |
| CN109550109A (en) * | 2017-09-26 | 2019-04-02 | 山东省肿瘤防治研究院 | A kind of venous detaining needle with thread gluing |
| CN116807579A (en) * | 2023-08-31 | 2023-09-29 | 苏州林华医疗器械股份有限公司 | Puncture preventing device for medical puncture device and medical infusion device |
-
2007
- 2007-05-24 CN CNU2007200391373U patent/CN201042538Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641528A (en) * | 2012-05-08 | 2012-08-22 | 江苏苏云医疗器材有限公司 | Safety remaining needle |
| CN103071204A (en) * | 2013-01-29 | 2013-05-01 | 苏州林华医疗器械有限公司 | Safety type detaining needle with disposable use |
| CN103071204B (en) * | 2013-01-29 | 2014-02-26 | 苏州林华医疗器械有限公司 | Safety type detaining needle with disposable use |
| CN103463691A (en) * | 2013-09-26 | 2013-12-25 | 青岛大学医学院附属医院 | Venous indwelling needle for hemodialysis |
| CN103463691B (en) * | 2013-09-26 | 2015-06-10 | 青岛大学医学院附属医院 | Venous indwelling needle for hemodialysis |
| CN103736170A (en) * | 2013-10-12 | 2014-04-23 | 苏州市雅思精密模具有限公司 | Anti-puncture remaining needle |
| CN107469191A (en) * | 2017-09-26 | 2017-12-15 | 湖北楚天药业有限责任公司 | A kind of anti-venous indwelling needle |
| CN109550109A (en) * | 2017-09-26 | 2019-04-02 | 山东省肿瘤防治研究院 | A kind of venous detaining needle with thread gluing |
| CN108568010A (en) * | 2018-04-28 | 2018-09-25 | 冯莞婷 | Remaining needle |
| CN116807579A (en) * | 2023-08-31 | 2023-09-29 | 苏州林华医疗器械股份有限公司 | Puncture preventing device for medical puncture device and medical infusion device |
| CN116807579B (en) * | 2023-08-31 | 2023-11-14 | 苏州林华医疗器械股份有限公司 | Puncture preventing device for medical puncture device and medical infusion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080402 Termination date: 20140524 |