CN204158811U - A kind of venous detaining needle with anti-acupuncture syndeton - Google Patents
A kind of venous detaining needle with anti-acupuncture syndeton Download PDFInfo
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- CN204158811U CN204158811U CN201420582977.4U CN201420582977U CN204158811U CN 204158811 U CN204158811 U CN 204158811U CN 201420582977 U CN201420582977 U CN 201420582977U CN 204158811 U CN204158811 U CN 204158811U
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- acupuncture
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- needle tubing
- bayonet socket
- card article
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Abstract
This utility model discloses a kind of venous detaining needle with anti-acupuncture syndeton, comprise a catheter block, catheter block is made up of anterior base and anti-acupuncture base, anterior base has the rotation draw-in groove of a L-type, anti-acupuncture base has the location central siphon extending to anterior base inner chamber, location central siphon is provided with a movable card article, movable card article has projection and bayonet socket, bayonet socket activity is connected to rotation draw-in groove, when needle tubing is inserted in catheter block, needle tubing supports projection, bayonet socket is limited in and rotates in draw-in groove, when needle tubing departs from catheter block, relaxed state is between the bayonet socket of movable card article and rotation draw-in groove.Advantage of the present utility model, when clamping, without concussion, operates simple and easy; Needle tubing supports projection, makes bayonet socket firm with the clamping of rotation draw-in groove; The bayonet socket of movable card article is inclined plane towards the face of anti-acupuncture base, and when needle tubing pulls away, bayonet socket is separated smooth with locating slot, and can directly be separated without the need to rotating between anterior base and anti-acupuncture base.
Description
Technical field
This utility model relates to a kind of remaining needle, particularly relates to a kind of venous detaining needle with anti-acupuncture syndeton, belongs to the technical field of armarium.
Background technology
The use of venous detaining needle can reduce patient because of venipuncture repeatedly and the misery caused and to the fear of having an injection, alleviate the impatience of family members, be convenient to clinical application, suddenly, the rescue medication of critical patient, alleviate the workload of nurse, reduce patient pain, thus venous detaining needle is in wide clinical application.And venous detaining needle is generally made up of conduit set and needle tubing group, conduit set includes catheter block.
In prior art, catheter block generally adopts two parts of detachable split to form, one is replaceable, and by the structure of bayonet socket and the split of draw-in groove phase between two parts, bayonet socket and draw-in groove mutually splicing can cause both wearing and tearing, be not easy to replace parts, and add the difficulty of the assembled and dismounting between two parts, have influence on the operation of medical worker, the vibration simultaneously caused because of assembled and dismounting can have influence on patient, increases the sense of discomfort of patient.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem, proposes a kind of venous detaining needle with anti-acupuncture syndeton.
The purpose of this utility model, will be achieved by the following technical programs:
A kind of venous detaining needle with anti-acupuncture syndeton, comprise catheter block, needle tubing and be connected to the transfusion joint on described catheter block, needle tubing is inserted in the inside of described catheter block, especially, described catheter block is made up of the anterior base detachably spliced and anti-acupuncture base
Described anterior base has the rotation draw-in groove of a L-type towards the outer wall of anti-acupuncture base one end, and described rotation draw-in groove comprises axial groove, circumferential slot and locating slot,
Described anti-acupuncture base has the location central siphon extending to anterior base inner chamber towards anterior base one end, the tube wall of described location central siphon has the fluting of an axis, described slotting position is provided with a movable card article, one end of described movable card article is connected to anti-acupuncture base, the other end of movable card article has towards the projection of the locating shaft tubular axis heart and the bayonet socket contrary with projection setting direction, described bayonet socket activity is connected to described rotation draw-in groove, and described bayonet socket is inclined plane towards the face of anti-acupuncture base
When described needle tubing is inserted in described catheter block, projection and the needle tubing of described movable card article abut against, and the bayonet socket of described movable card article is limited in the locating slot of described rotation draw-in groove,
After described needle tubing departs from described catheter block, when described anti-acupuncture base pulls away anterior base, the bayonet socket of described movable card article is subject to the cell wall extruding of locating slot to such an extent as to the bayonet socket of described movable card article is absorbed in the inwall of anterior base.
Preferably, between described movable card article and anti-acupuncture base, there is a rotary connector.
Preferably, described anti-acupuncture base is provided with the penetrating via passed for described needle tubing, the inner chamber of described anti-acupuncture base is provided with a flat head screw mobile, described flat head screw mobile is provided with the through hole passed for described needle tubing, when described needle tubing is through described through hole, between described flat head screw mobile and described anti-acupuncture base, there is gap, after described needle tubing departs from the through hole of described flat head screw mobile, described flat head screw mobile loses support inclination and can not keep original situation again to such an extent as to block described penetrating via.
Preferably, the inner chamber of described anti-acupuncture base has a wedge surface, and described wedge surface is located at the side of described anti-acupuncture base inner chamber.
Preferably, described anti-acupuncture base is formed by a cutting ferrule and a jam clamping, described cutting ferrule and jam is equipped with the circular hole passed for described needle tubing, penetrating via described in circular hole cavities formed co-axial.
Preferably, the circular hole of described jam is step-like, and the minimum diameter of the circular hole of described jam is less than the maximum gauge of the flat body of described needle tubing.
Preferably, the embedded metal derby of described jam, described metal derby has a circular hole, and the diameter of described circular hole is less than the maximum gauge of the flat body of described needle tubing.
The beneficial effects of the utility model are mainly reflected in:
1. adopt and rotate draw-in groove and movable card article and to match clamping, make clamping between anterior base and anti-acupuncture base convenient and swift, when clamping, without concussion, operate simple and easy;
2. movable card article adds the projection offseted with needle tubing, and when needle tubing is inserted in catheter block, needle tubing has the effect supported to projection, prevents movable card article and locating slot to be separated;
3. the bayonet socket of movable card article is inclined plane towards the face of anti-acupuncture base, when needle tubing pulls away, makes bayonet socket be separated smooth with locating slot by this inclined plane, and can directly be separated without the need to rotating between anterior base and anti-acupuncture base;
4. have a rotary connector between movable card article and anti-acupuncture base, this rotary connector is narrower than card article, and make the rotation of movable card article more flexible, bayonet socket is separated more smooth and easy with locating slot;
5. the internal structure of anti-acupuncture base, makes retracting type venous detaining needle have the effect of anti-acupuncture, is accidentally injured when preventing medical worker from pulling away remaining needle by needle tubing.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation with anti-puncture base in the venous detaining needle of anti-acupuncture syndeton of this utility model;
Fig. 2 is a kind of structural representation with the venous detaining needle of anti-acupuncture syndeton of this utility model;
Fig. 3 is a kind of cross section structure schematic diagram with the venous detaining needle of anti-acupuncture syndeton of this utility model;
Fig. 4 is the cross section structure schematic diagram that needle tubing is inserted in catheter block;
Fig. 5 is the cross section structure schematic diagram that needle tubing departs from catheter block;
Fig. 6 is the cross section structure schematic diagram that anterior base and anti-acupuncture base are separated.
Detailed description of the invention
This utility model provides a kind of venous detaining needle with anti-acupuncture syndeton, have splicing lock out operation smooth and easy, splice the features such as firm, anti-acupuncture.
As shown in Figures 1 to 6, a kind of venous detaining needle with anti-acupuncture syndeton, comprise catheter block 1, needle tubing 2 and the transfusion joint be connected on catheter block 1, needle tubing 2 is inserted in the inside of catheter block 1, catheter block 1 is made up of the anterior base 3 detachably spliced and anti-acupuncture base 4, anterior base 3 has the rotation draw-in groove 5 of a L-type towards the outer wall of anti-acupuncture base 4 one end, rotate draw-in groove 5 and comprise axial groove, circumferential slot and locating slot, anti-acupuncture base 4 has towards anterior base 3 one end the location central siphon 6 extending to anterior base 3 inner chamber, the tube wall of location central siphon 6 has the fluting of an axis, slotting position is provided with a movable card article 7, one end of movable card article 7 is connected to anti-acupuncture base 4, the other end of movable card article 7 has towards the projection 8 in central siphon 6 axle center, location and the bayonet socket 9 contrary with projection 8 setting direction, bayonet socket 9 activity is connected to and rotates draw-in groove 5, and bayonet socket 9 is inclined plane towards the face of anti-acupuncture base 4.
As shown in Figure 3 and Figure 4, when needle tubing 2 is inserted in catheter block 1, projection 8 and the needle tubing 2 of movable card article 7 abut against, and the bayonet socket 9 of movable card article 7 is limited in the locating slot rotating draw-in groove 5,
As shown in Figure 5 and Figure 6, after needle tubing 2 departs from described catheter block 1, when anti-acupuncture base 4 pulls away anterior base 3, the bayonet socket 9 of movable card article 7 is subject to the cell wall extruding of locating slot to such an extent as to the bayonet socket 9 of movable card article 7 is absorbed in the inwall of anterior base 3, is in relaxed state between bayonet socket 9 and the locating slot rotating draw-in groove 5.
More smooth and easy for making bayonet socket 9 be separated with locating slot, have a rotary connector 10 between movable card article 7 and anti-acupuncture base 4, this rotary connector 10 is narrower than movable card article 7, makes movable card article activity more flexible.
Wherein, anti-acupuncture base 4 is provided with the penetrating via 11 passed for needle tubing, the inner chamber of anti-acupuncture base is provided with a flat head screw mobile 12, flat head screw mobile 12 is provided with the through hole passed for needle tubing 2, when needle tubing 2 is through through hole, have gap between flat head screw mobile 12 and anti-acupuncture base 4, after needle tubing 2 departs from the through hole of flat head screw mobile 12, flat head screw mobile 12 loses support inclination and can not keep original situation again to such an extent as to block described penetrating via.This anti-acupuncture base has anti-needling action, prevents medical worker from stabbing.
In addition, for optimizing anti-acupuncture base, the inner chamber of anti-acupuncture base 4 has a wedge surface 13, and wedge surface 13 is located at the side of anti-acupuncture base 4 inner chamber, and wedge surface 13 and flat head screw mobile 12 match and make anti-acupuncture effect more excellent.
Finally, anti-acupuncture base 4 is formed by a cutting ferrule 14 and the clamping of a jam 15, and cutting ferrule 14 and jam 15 are equipped with the circular hole passed for needle tubing 2, circular hole cavities formed co-axial penetrating via.The circular hole of jam 15 is step-like, and the minimum diameter of the circular hole of jam 15 is less than the maximum gauge of the flat body of needle tubing 2.The embedded metal derby of jam 15, metal derby has a circular hole, and the diameter of circular hole is less than the maximum gauge of the flat body of needle tubing.The circular hole of jam can prevent the needle tip of needle tubing from leaving anti-acupuncture base, improves anti-acupuncture effect.
Below a kind of concrete assembled principle and process with catheter block in the venous detaining needle of anti-acupuncture syndeton of this utility model:
Anti-acupuncture base and anterior base carry out concatenation, the bayonet socket of movable card article vertically groove enters, now locate the inner chamber that central siphon extends to anterior base, then bayonet socket circumferentially groove rotate, most rear defence acupuncture base is separated slightly with anterior base, makes bayonet socket enter in locating slot, because needle tubing and projection are the state of abutting, so bayonet socket docks with locating slot firmly, bayonet socket can not from slippage in locating slot, and anti-acupuncture base has docked with anterior base.
Anti-acupuncture base and anterior base carry out lock out operation, and now needle tubing is inserted in catheter block, first stirs needle tubing, needle tubing and projection are separated, lose supporting of needle tubing, movable card article is in active state, and anterior base can directly be separated with anti-acupuncture base, concrete separation principle, movable card article is in active state, and when anterior base is separated with anti-acupuncture base, inclined plane and the locating slot of bayonet socket offset, the stressed rear movable card article of inclined plane produces and rotates, and bayonet socket departs from locating slot.
This utility model still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes formed, and all drops within protection domain of the present utility model.
Claims (7)
1. one kind has the venous detaining needle of anti-acupuncture syndeton, comprise catheter block, needle tubing and be connected to the transfusion joint on described catheter block, needle tubing is inserted in the inside of described catheter block, it is characterized in that: described catheter block is made up of the anterior base detachably spliced and anti-acupuncture base
Described anterior base has the rotation draw-in groove of a L-type towards the outer wall of anti-acupuncture base one end, and described rotation draw-in groove comprises axial groove, circumferential slot and locating slot,
Described anti-acupuncture base has the location central siphon extending to anterior base inner chamber towards anterior base one end, the tube wall of described location central siphon has the fluting of an axis, described slotting position is provided with a movable card article, one end of described movable card article is connected to anti-acupuncture base, the other end of movable card article has towards the projection of the locating shaft tubular axis heart and the bayonet socket contrary with projection setting direction, described bayonet socket activity is connected to described rotation draw-in groove, and described bayonet socket is inclined plane towards the face of anti-acupuncture base
When described needle tubing is inserted in described catheter block, projection and the needle tubing of described movable card article abut against, and the bayonet socket of described movable card article is limited in the locating slot of described rotation draw-in groove,
After described needle tubing departs from described catheter block, when described anti-acupuncture base pulls away anterior base, the bayonet socket of described movable card article is subject to the cell wall extruding of locating slot to such an extent as to the bayonet socket of described movable card article is absorbed in the inwall of anterior base.
2. a kind of venous detaining needle with anti-acupuncture syndeton according to claim 1, is characterized in that: have a rotary connector between described movable card article and anti-acupuncture base.
3. a kind of venous detaining needle with anti-acupuncture syndeton according to claim 1, it is characterized in that: described anti-acupuncture base is provided with the penetrating via passed for described needle tubing, the inner chamber of described anti-acupuncture base is provided with a flat head screw mobile, described flat head screw mobile is provided with the through hole passed for described needle tubing, when described needle tubing is through described through hole, between described flat head screw mobile and described anti-acupuncture base, there is gap, after described needle tubing departs from the through hole of described flat head screw mobile, described flat head screw mobile loses support inclination and can not keep original situation again to such an extent as to block described penetrating via.
4. a kind of venous detaining needle with anti-acupuncture syndeton according to claim 1 or 3, is characterized in that: the inner chamber of described anti-acupuncture base has a wedge surface, and described wedge surface is located at the side of described anti-acupuncture base inner chamber.
5. a kind of venous detaining needle with anti-acupuncture syndeton according to claim 4, it is characterized in that: described anti-acupuncture base is formed by a cutting ferrule and a jam clamping, described cutting ferrule and jam are equipped with the circular hole passed for described needle tubing, penetrating via described in circular hole cavities formed co-axial.
6. a kind of venous detaining needle with anti-acupuncture syndeton according to claim 5, it is characterized in that: the circular hole of described jam is step-like, the minimum diameter of the circular hole of described jam is less than the maximum gauge of the flat body of described needle tubing.
7. a kind of venous detaining needle with anti-acupuncture syndeton according to claim 6, it is characterized in that: the embedded metal derby of described jam, described metal derby has a circular hole, and the diameter of described circular hole is less than the maximum gauge of the flat body of described needle tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420582977.4U CN204158811U (en) | 2014-10-10 | 2014-10-10 | A kind of venous detaining needle with anti-acupuncture syndeton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420582977.4U CN204158811U (en) | 2014-10-10 | 2014-10-10 | A kind of venous detaining needle with anti-acupuncture syndeton |
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| Publication Number | Publication Date |
|---|---|
| CN204158811U true CN204158811U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420582977.4U Active CN204158811U (en) | 2014-10-10 | 2014-10-10 | A kind of venous detaining needle with anti-acupuncture syndeton |
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| CN (1) | CN204158811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104721912A (en) * | 2015-03-26 | 2015-06-24 | 江苏阳普医疗科技有限公司 | Disposable blood vessel puncture-proof intravenous infusion needle |
| CN107754048A (en) * | 2016-08-16 | 2018-03-06 | 上海金塔医用器材有限公司 | Anti- needling structure and anti-acupuncture venous transfusion puncturing needle |
-
2014
- 2014-10-10 CN CN201420582977.4U patent/CN204158811U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104721912A (en) * | 2015-03-26 | 2015-06-24 | 江苏阳普医疗科技有限公司 | Disposable blood vessel puncture-proof intravenous infusion needle |
| CN107754048A (en) * | 2016-08-16 | 2018-03-06 | 上海金塔医用器材有限公司 | Anti- needling structure and anti-acupuncture venous transfusion puncturing needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215101 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Patentee after: SUZHOU LINHUA MEDICAL INSTRUMENT CO., LTD. Address before: 215101 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Patentee before: Linhua Medical Appliances Co., Ltd., Suzhou |