CN201783060U - Venous indwelling needle with needle-free positive-pressure joint - Google Patents

Venous indwelling needle with needle-free positive-pressure joint Download PDF

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Publication number
CN201783060U
CN201783060U CN2010205267177U CN201020526717U CN201783060U CN 201783060 U CN201783060 U CN 201783060U CN 2010205267177 U CN2010205267177 U CN 2010205267177U CN 201020526717 U CN201020526717 U CN 201020526717U CN 201783060 U CN201783060 U CN 201783060U
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CN
China
Prior art keywords
endoporus
needle
sliding bar
processed
vertical
Prior art date
Application number
CN2010205267177U
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Chinese (zh)
Inventor
简玉梅
饶平华
陈来龙
田军
Original Assignee
江西洪达医疗器械集团有限公司
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Application filed by 江西洪达医疗器械集团有限公司 filed Critical 江西洪达医疗器械集团有限公司
Priority to CN2010205267177U priority Critical patent/CN201783060U/en
Application granted granted Critical
Publication of CN201783060U publication Critical patent/CN201783060U/en

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Abstract

The utility model discloses a venous indwelling needle with a needle-free positive-pressure joint. The venous indwelling needle comprises an indwelling needle head, a flexible pipe and a water stopping clip, wherein the front end of the flexible pipe is connected with the indwelling needle head. The venous indwelling needle is characterized in that the needle-free positive-pressure joint is fixedly connected to the rear end of the flexible pipe, and adopts a Y-shaped or straight needle-free positive-pressure joint. When in use, a standard external conic joint can be adopted to be connected with the needle-free positive-pressure joint, so that the use of a needle head is avoided, which prevents medical staff from being pricked by a needle, and eliminates cross infection; and when infusion is finished, and the external conic joint is pulling out from the needle-free positive-pressure joint, a positive-pressure joint system can generate an instantaneous positive pressure automatically, so as to push residual blood or liquid medicine in the inner chamber of a catheter indwelled in a blood vessel into a venous system, which prevents blood from reflowing to block the catheter. The utility model has the advantages that the medical staff is prevented from being pricked by a needle; the generation probability of phlebitis is reduced; the operation of indwelling needle nursing is simplified; and the work intensity of the medical staff is reduced.

Description

A kind of venous detaining needle with the Needleless barotropic joint
Technical field
This utility model relates to a kind of aseptic medical equipment, especially relates to a kind of venous detaining needle with the Needleless barotropic joint that medical institutions use clinically.
Background technology
Along with the development of society and the raising of living standards of the people, venous detaining needle reduces patient vessel's puncture time because of having, reduce intravenous extravasation, alleviate medical personnel's workload, help clinical application and critical patient promptly rescues, improves plurality of advantages such as salvage success rate, safety and effectiveness are good, applied in the clinical treatment more and more widely.But common venous detaining needle is in using operation, general all is that syringe needle with transfusion device inserts in the calparine cap of remaining needle, thereby form the loop of a transfusion, but syringe needle is being inserted in the process of calparine cap, usually have medical personnel because of operate miss by pricking wound, cause needle stick injury, easily cause the cross infection of blood; Meanwhile, when using venous detaining needle,, easily remaining needle is skidded off, exist the danger that easily scratches infant skin after the scalp acupuncture slippage that connects the remaining needle calparine cap because infant is vivaciously active at immature infant.In addition, in the process that venous detaining needle uses, patient's blood solidifies in entering the conduit of remaining needle easily, cause conduit blocked, thereby need medical personnel to carry out operation such as repeated multiple times washing pipe, tube sealing, extruding could to continue use, so both increase nursing work load and consumptive material, increase the probability of phlebitic incidence rate and nursing staff's accidental needle sticks wound again, therefore, use a kind of venous detaining needle simple to operate, safe and effective just to seem particularly important.
Summary of the invention
The purpose of this utility model is to provide a kind of can prevent the pricking wound medical personnel, stop blood cross-infection, reduce the phlebitis occurrence probability, simplify the nursing procedure step, alleviate the band Needleless barotropic joint venous detaining needle of medical personnel's working strength.
The purpose of this utility model is achieved in that
A kind of venous detaining needle with the Needleless barotropic joint; comprise and keep somewhere syringe needle, flexible pipe and tongs; wherein: keep somewhere syringe needle and form by protective sleeve, needle tubing, conduit, metal wedge, batching pig, catheter block and needle handle; the front end of flexible pipe is connected with the indwelling syringe needle, and feature is to be fixedly connected with the Needleless barotropic joint in the rear end of flexible pipe.
Described Needleless barotropic joint is a Y type Needleless barotropic joint, Y type Needleless barotropic joint is by Y type shell, base, sliding bar, last sealing ring, lower seal and spring are formed, in Y type shell, be provided with vertical endoporus, oblique endoporus and the flexible pipe hole that is used to install flexible pipe, vertically endoporus is parallel with the flexible pipe hole, the flexible pipe hole is communicated with oblique endoporus, oblique endoporus is communicated with vertical endoporus and constitutes the Y type, upper end at vertical endoporus is processed with 6: 100 the vertical female cone locked joints in Rule, be processed with 6: 100 the oblique female cone locked joints in Rule towards the outer end at oblique endoporus, the annular diversion trench that is processed with indent and is communicated with at the vertical lower end inwall of female cone locked joints with oblique endoporus, middle and upper part at vertical endoporus is equipped with the sliding bar that can slide up and down, the top of sliding bar is the inclined-plane that exposes vertical endoporus, the top of sliding bar sidewall and bottom sidewall be processed with respectively assembled sealing ring on the following annular groove of annular groove and lower seal, last sealing ring closely contacts with the inwall of vertical endoporus respectively with lower seal, last sealing ring and lower seal can prevent sliding bar leakage in use, are fixed with base in the bottom of vertical endoporus; Be processed with the spring eye under shed in sliding bar, the upper end of spring props up on the boss of spring eye of sliding bar, and the lower end of spring is enclosed within on the projection above the base; Be with the block that hides oblique endoporus at the oblique female cone locked joints place of oblique endoporus.
Described Needleless barotropic joint is straight type Needleless barotropic joint, straight type Needleless barotropic joint is by shell, base, sliding bar, last sealing ring, lower seal and spring are formed, be provided with the up-small and down-big vertical endoporus of up/down perforation and diameter in the enclosure, upper end at vertical endoporus is processed with 6: 100 the female cone locked joints in Rule, be processed with the annular diversion trench of indent at the lower end of female cone locked joints inwall, middle and upper part at vertical endoporus is equipped with the sliding bar that can slide up and down, the top of sliding bar is the inclined-plane that exposes vertical endoporus, the top of sliding bar sidewall and bottom sidewall be processed with respectively assembled sealing ring on the following annular groove of annular groove and lower seal; Base is by upper bed-plate, support panel and lower bottom base are formed, on piped upper bed-plate, be processed with the upper bed-plate hole of upward opening, centre at support panel is processed with liquid outlet, the lower bottom base hole that on lower bottom base, is processed with up/down perforation and is communicated with liquid outlet, the external diameter of upper bed-plate is less than the internal diameter of vertical endoporus bottom, upper bed-plate is positioned over the bottom of vertical endoporus, exist between the inwall of piped upper bed-plate and vertical endoporus bottom for the mobile gap of medicinal liquid, support panel is fixed on the bottom of vertical endoporus, below the outer wall of lower bottom base, be processed with 6: 100 the outer cone locked joints in Rule, the outer cone locked joints can directly be connected with the female cone locked joints of other standards, also can be directly with hose connection; Last sealing ring closely contacts with the inwall of vertical endoporus, and lower seal closely contacts with the inwall in the upper bed-plate hole of upper bed-plate, and last sealing ring and lower seal can prevent sliding bar leakage in use; Be processed with the spring eye under shed in sliding bar, the upper end of spring props up on the boss of spring eye of sliding bar, and the lower end of spring is enclosed within on the projection above the upper bed-plate.
Sliding bar is pushed and moves down in use, and the inclined-plane of sliding bar will be lower than the height of annular diversion trench.
The top of sliding bar is the inclined-plane less than 30 degree.
This utility model is connected the outer cone joint of infusion set with the Needleless barotropic joint of venous detaining needle, stopped the use syringe needle and be connected with remaining needle, can prevent medical personnel's needle stick injury.Outside under the compressing of cone joint, sliding bar can vertically glide and the compression spring in the endoporus, because of the end face of outer cone joint and the inclined-plane of sliding bar not exclusively fitting, medicinal liquid can flow out from the slit on the inclined-plane of the end face of outer cone joint and sliding bar, and flow downward by annular diversion trench, through the endoporus of shell and the gap of sliding bar, medicinal liquid is in Y type Needleless barotropic joint, and the oblique endoporus of process, flexible pipe orifice flow are to flexible pipe; Medicinal liquid is in straight type Needleless barotropic joint, flow to the lower bottom base hole of lower bottom base from the middle moral liquid outlet of support panel, operating procedure is finished the skin degerming of aerofluxus bubble, point of puncture routinely, venipuncture, with the aseptic remaining needle of applying ointment or plaster fixedly, regulate infusion flow rate and get final product normal infusion.If when this transfusion finishes also to need infuse next time again, the female cone joint of infusion set is extracted in the female cone locked joints hole of Needleless barotropic joint, sliding bar moves upward because of the mechanical elastic of spring, make the Needleless barotropic adapter system can produce a malleation automatically, this malleation continues to promote medicinal liquid and flows to the venous transfusion direction, the blood of keeping somewhere the conduit internal reflux of syringe needle is pushed in the Venous system, can prevent the blood coagulation that the conduit endogenous cause of ill is remaining and the obstruction that causes.
The utlity model has following advantage:
1, this utility model is simple in structure, and clinical manipulation uses and sterilizes conveniently, adopts the needleless syringe needle, has avoided the generation of medical personnel's needle stick injuries, has stopped blood cross-infection, has guaranteed medical personnel and patient's safety, and is can extensive use clinical.
2, when transfusion finishes, the outer cone joint is being pulled away in the process of Needleless barotropic joint, this utility model can produce the malleation of a moment automatically, this malleation can push blood residual in the conduit cavity that is retained in the blood vessel or medicinal liquid in the Venous system, and do not need as common remaining needle to use anticoagulant tube sealings such as heparin or normal saline solution, only need 0.9% sodium chloride injection washing pipe tube sealing, avoid blood to reflux and stopped up conduit, save nursing time and nursing consumptive material, also widened the scope of application of remaining needle.
3, this utility model has reduced the probability that conduit stops up and phlebitis takes place, and has simplified remaining needle nursing procedure step, has alleviated medical personnel's working strength, has prolonged the service life of remaining needle.
4, this utility model is fit to be connected with the standard outer cone joint of all intravenous delivery systems, can be supporting with the transfusion device of routine, and need not special-purpose transfusion device and use extender.
Description of drawings
Fig. 1 is the structural representation of the venous detaining needle of this utility model band Y type Needleless barotropic joint;
Fig. 2 is the generalized section of Y type Needleless barotropic joint;
Fig. 3 is the structural representation of the venous detaining needle of the straight type Needleless barotropic of this utility model band joint;
Fig. 4 is the generalized section of straight type Needleless barotropic joint.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing this utility model is described in further detail.
Embodiment 1:
A kind of venous detaining needle with the Needleless barotropic joint; comprise and keep somewhere syringe needle 10, flexible pipe 8 and tongs 9; wherein: keep somewhere syringe needle 10 and form by protective sleeve 1, needle tubing 2, conduit 3, metal wedge 4, batching pig 5, catheter block 6 and needle handle 7; the front end of flexible pipe 8 is connected with indwelling syringe needle 10, is fixedly connected with Needleless barotropic joint 11 in the rear end of flexible pipe 8.
Described Needleless barotropic joint 11 is a Y type Needleless barotropic joint 12, Y type Needleless barotropic joint 12 is by Y type shell 14, base 24, sliding bar 18, last sealing ring 30, lower seal 21 and spring 23 are formed, in Y type shell 14, be provided with vertical endoporus 16, oblique endoporus 19 and the flexible pipe hole 22 that is used to install flexible pipe 8, vertically endoporus 16 is parallel with flexible pipe hole 22, flexible pipe hole 22 is communicated with oblique endoporus 19, oblique endoporus 19 is communicated with vertical endoporus 16 and constitutes the Y type, upper end at vertical endoporus 16 is processed with 6: 100 the vertical female cone locked joints 25 in Rule, be processed with 6: 100 the oblique female cone locked joints 26 in Rule towards the outer end at oblique endoporus 19, the annular diversion trench 15 that is processed with indent and is communicated with at the vertical lower end inwall of female cone locked joints 25 with oblique endoporus 19, middle and upper part at vertical endoporus 16 is equipped with the sliding bar 18 that can slide up and down, the top of sliding bar 18 is the inclined-plane 17 that exposes vertical endoporus 16, the top of sliding bar 18 sidewall and bottom sidewall be processed with respectively assembled sealing ring 30 on the following annular groove 28 of annular groove 27 and lower seal 21, last sealing ring 30 closely contacts with the inwall of vertical endoporus 16 respectively with lower seal 21, last sealing ring 30 and lower seal 21 can prevent sliding bar 18 leakage in use, are fixed with base 24 in the bottom of vertical endoporus 16; Be processed with the spring eye 20 under shed in sliding bar 18, the upper end of spring 23 props up on the boss 29 of spring eye 20 of sliding bar 18, and the lower end of spring 23 is enclosed within on the projection 31 above the base 24; Be with the block 13 that hides oblique endoporus 19 at oblique female cone locked joints 26 places of oblique endoporus 19.
Sliding bar 18 is pushed and moves down in use, and the inclined-plane 17 of sliding bar 18 will be lower than the height of annular diversion trench 15.
The top of sliding bar 1/ is the inclined-plane 17 less than 30 degree.
Embodiment 2:
Embodiment 2 is basic identical with the structure of embodiment 1, and difference is:
Described Needleless barotropic joint 11 is straight type Needleless barotropic joint 32, straight type Needleless barotropic joint 32 is by shell 33, base 24, sliding bar 18, last sealing ring 30, lower seal 21 and spring 23 are formed, in shell 33, be provided with the up-small and down-big vertical endoporus 16 of up/down perforation and diameter, upper end at vertical endoporus 16 is processed with 6: 100 the female cone locked joints 25 in Rule, be processed with the annular diversion trench 15 of indent at the lower end of female cone locked joints 25 inwall, middle and upper part at vertical endoporus 16 is equipped with the sliding bar 18 that can slide up and down, the top of sliding bar 18 is the inclined-plane 17 that exposes vertical endoporus 16, the top of sliding bar 18 sidewall and bottom sidewall be processed with respectively assembled sealing ring 30 on the following annular groove 28 of annular groove 27 and lower seal 21; Base 24 is by upper bed-plate 34, support panel 36 and lower bottom base 38 are formed, on piped upper bed-plate 34, be processed with the upper bed-plate hole 35 of upward opening, be processed with liquid outlet 37 in the centre of support panel 36, the lower bottom base hole 39 that on lower bottom base 38, is processed with up/down perforation and is communicated with liquid outlet 37, the external diameter of upper bed-plate 34 is less than the internal diameter of vertical endoporus 16 bottoms, upper bed-plate 34 is positioned over the bottom of vertical endoporus 16, exist between the inwall of upper bed-plate 34 and vertical endoporus 16 bottoms for the mobile gap 41 of medicinal liquid, support panel 36 is fixed on the bottom of vertical endoporus 16, below the outer wall of lower bottom base 38, be processed with 6: 100 the outer cone locked joints 40 in Rule, outer cone locked joints 40 can directly be connected with the female cone locked joints of other standards, also can be directly with hose connection; Last sealing ring 30 closely contacts with the inwall of vertical endoporus 16, and lower seal 21 closely contacts with the inwall in the upper bed-plate hole 35 of upper bed-plate 34, and last sealing ring 30 and lower seal 21 can prevent sliding bar 18 leakage in use; Be processed with the spring eye 20 under shed in sliding bar 18, the upper end of spring 23 props up on the boss 29 of spring eye 20 of sliding bar 18, and the lower end of spring 23 is enclosed within on the projection 31 above the upper bed-plate 34.

Claims (5)

1. venous detaining needle with the Needleless barotropic joint; comprise and keep somewhere syringe needle (10), flexible pipe (8) and tongs (9); wherein: keep somewhere syringe needle (10) and form by protective sleeve (1), needle tubing (2), conduit (3), metal wedge (4), batching pig (5), catheter block (6) and needle handle (7); the front end of flexible pipe (8) is connected with indwelling syringe needle (10), it is characterized in that: be fixedly connected with Needleless barotropic joint (11) in the rear end of flexible pipe (8).
2. the venous detaining needle of band Needleless barotropic joint according to claim 1, it is characterized in that: described Needleless barotropic joint (11) is a Y type Needleless barotropic joint (12), Y type Needleless barotropic joint (12) is by Y type shell (14), base (24), sliding bar (18), last sealing ring (30), lower seal (21) and spring (23) are formed, in Y type shell (14), be provided with vertical endoporus (16), oblique endoporus (19) and the flexible pipe hole (22) that is used to install flexible pipe (8), vertically endoporus (16) is parallel with flexible pipe hole (22), flexible pipe hole (22) is communicated with oblique endoporus (19), oblique endoporus (19) is communicated with vertical endoporus (16) and constitutes the Y type, upper end at vertical endoporus (16) is processed with 6: 100 the vertical female cone locked joints (25) in Rule, be processed with 6: 100 the oblique female cone locked joints (26) in Rule towards the outer end at oblique endoporus (19), the annular diversion trench (15) that is processed with indent and is communicated with at the vertical lower end inwall of female cone locked joints (25) with oblique endoporus (19), middle and upper part at vertical endoporus (16) is equipped with the sliding bar (18) that can slide up and down, the top of sliding bar (18) is for exposing the inclined-plane (17) of vertical endoporus (16), be processed with the last annular groove (27) that assembled last sealing ring (30) and the following annular groove (28) of lower seal (21) respectively at the top sidewall of sliding bar (18) and bottom sidewall, last sealing ring (30) closely contacts with the inwall of vertical endoporus (16) respectively with lower seal (21), is fixed with base (24) in the bottom of vertical endoporus (16); Be processed with the spring eye (20) under shed in sliding bar (18), the upper end of spring (23) props up on the boss (29) of spring eye (20) of sliding bar (18), and the lower end of spring (23) is enclosed within on the projection (31) above the base (24); Locate to be with the block (13) that hides oblique endoporus (19) at the oblique female cone locked joints (26) of oblique endoporus (19).
3. the venous detaining needle of band Needleless barotropic joint according to claim 1, it is characterized in that: described Needleless barotropic joint (11) is a straight type Needleless barotropic joint (32), straight type Needleless barotropic joint (32) is by shell (33), base (24), sliding bar (18), last sealing ring (30), lower seal (21) and spring (23) are formed, in shell (33), be provided with the up-small and down-big vertical endoporus (16) of up/down perforation and diameter, upper end at vertical endoporus (16) is processed with 6: 100 the female cone locked joints (25) in Rule, be processed with the annular diversion trench (15) of indent at the lower end inwall of female cone locked joints (25), middle and upper part at vertical endoporus (16) is equipped with the sliding bar (18) that can slide up and down, the top of sliding bar (18) is for exposing the inclined-plane (17) of vertical endoporus (16), is processed with the last annular groove (27) that assembled last sealing ring (30) and the following annular groove (28) of lower seal (21) respectively at the top sidewall of sliding bar (18) and bottom sidewall; Base (24) is by upper bed-plate (34), support panel (36) and lower bottom base (38) are formed, on piped upper bed-plate (34), be processed with the upper bed-plate hole (35) of upward opening, be processed with liquid outlet (37) in the centre of support panel (36), the lower bottom base hole (39) that on lower bottom base (38), is processed with up/down perforation and is communicated with liquid outlet (37), the external diameter of upper bed-plate (34) is less than the internal diameter of vertical endoporus (16) bottom, upper bed-plate (34) is positioned over the bottom of vertical endoporus (16), exist between the inwall of upper bed-plate (34) and vertical endoporus (16) bottom for the mobile gap of medicinal liquid (41), support panel (36) is fixed on the bottom of vertical endoporus (16), is processed with 6: 100 the outer cone locked joints (40) in Rule in the outer wall below of lower bottom base (38); Last sealing ring (30) closely contacts with the inwall of vertical endoporus (16), lower seal (21) closely contacts with the inwall in the upper bed-plate hole (35) of upper bed-plate (34), and last sealing ring (30) and lower seal (21) can prevent sliding bar (18) leakage in use; Be processed with the spring eye (20) under shed in sliding bar (18), the upper end of spring (23) props up on the boss (29) of spring eye (20) of sliding bar (18), and the lower end of spring (23) is enclosed within on the projection (31) above the upper bed-plate (34).
4. according to the venous detaining needle of claim 2 or 3 described band Needleless barotropic joints, it is characterized in that: be pushed when moving down at sliding bar (18), the inclined-plane (17) of sliding bar (18) is lower than the height of annular diversion trench (15).
5. according to the venous detaining needle of claim 2 or 3 described band Needleless barotropic joints, it is characterized in that: sliding bar (1)/the top for less than (30) degree inclined-plane (17).
CN2010205267177U 2010-09-13 2010-09-13 Venous indwelling needle with needle-free positive-pressure joint CN201783060U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205267177U CN201783060U (en) 2010-09-13 2010-09-13 Venous indwelling needle with needle-free positive-pressure joint

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CN2010205267177U CN201783060U (en) 2010-09-13 2010-09-13 Venous indwelling needle with needle-free positive-pressure joint

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103007386A (en) * 2013-01-21 2013-04-03 北京望升伟业科技发展有限公司 Detaining needle port protection cap
CN103480060A (en) * 2013-09-16 2014-01-01 张丽君 Convenient medical positive-pressure remaining needle
WO2014161410A1 (en) * 2013-04-01 2014-10-09 江苏磐宇科技有限公司 Needleless positive pressure connector
CN104368060A (en) * 2014-12-02 2015-02-25 江南大学 Fixed type venous indwelling needle
CN104548261A (en) * 2015-01-12 2015-04-29 江苏磐宇科技有限公司 Shrapnel-type anti-acupuncture Y-shaped remaining needle production process
CN104645447A (en) * 2015-01-29 2015-05-27 福建省百仕韦医用高分子股份有限公司 Indwelling needle with double-slit protection sleeve
CN108478899A (en) * 2018-02-10 2018-09-04 陈伟权 Can repeatedly washing pipe remaining needle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103007386A (en) * 2013-01-21 2013-04-03 北京望升伟业科技发展有限公司 Detaining needle port protection cap
WO2014161410A1 (en) * 2013-04-01 2014-10-09 江苏磐宇科技有限公司 Needleless positive pressure connector
CN103480060A (en) * 2013-09-16 2014-01-01 张丽君 Convenient medical positive-pressure remaining needle
CN104368060A (en) * 2014-12-02 2015-02-25 江南大学 Fixed type venous indwelling needle
CN104548261A (en) * 2015-01-12 2015-04-29 江苏磐宇科技有限公司 Shrapnel-type anti-acupuncture Y-shaped remaining needle production process
CN104645447A (en) * 2015-01-29 2015-05-27 福建省百仕韦医用高分子股份有限公司 Indwelling needle with double-slit protection sleeve
CN108478899A (en) * 2018-02-10 2018-09-04 陈伟权 Can repeatedly washing pipe remaining needle

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Granted publication date: 20110406