CN106267449A - Single use preventing thrombosis remaining needle - Google Patents
Single use preventing thrombosis remaining needle Download PDFInfo
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- CN106267449A CN106267449A CN201510245131.0A CN201510245131A CN106267449A CN 106267449 A CN106267449 A CN 106267449A CN 201510245131 A CN201510245131 A CN 201510245131A CN 106267449 A CN106267449 A CN 106267449A
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- catheter block
- elastic elongation
- liquid stopping
- stopping clamp
- elongation pipe
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Abstract
The open a kind of single use preventing thrombosis remaining needle of the present invention, it is made up of conduit, catheter block, elastic elongation pipe and liquid stopping clamp or these critical pieces of two-way cock, wherein, conduit is installed on a termination of catheter block, and elastic elongation Guan Ze is connected and through liquid stopping clamp or two-way cock by catheter block side connector is fixing.It uses specific technical measures, makes liquid stopping clamp or two-way cock rotate around elastic elongation pipe and can not move back and forth along elastic elongation pipe.The elastic elongation pipe that it can be effectively prevented between liquid stopping clamp or two-way cock and catheter block occurs that bending or the phenomenon of shake produce elastic elongation pipe tube chamber change in volume, so that it is guaranteed that there is not the malpractice of thrombosis in whole infusion process, can be widely applied to various clinical transfusion.
Description
Technical field
The present invention relates to a kind of belong to medical field remaining needle in terms of clinical disease patient, particularly single use preventing thrombosis remaining needle.
Background technology
Generally medical field remaining needle in terms of clinical disease patient mostly by conduit, catheter block, the elastic elongation pipe being commonly called as flexible pipe and liquid stopping clamp or only these critical pieces of liquid sheet constitute, wherein, conduit is installed on a termination of catheter block, and elastic elongation Guan Ze is connected and through liquid stopping clamp or only liquid sheet by catheter block side connector is fixing.In clinical practice, medicinal liquid is inculcated to clinical disease patient with the conduit being connected by elastic elongation pipe by drop bottle, the effect of liquid stopping clamp or only liquid sheet is in addition to controlling stopping infusion, moreover it is possible to avoid blood backflow to form thrombosis and bring painful to clinical disease patient and cause life to endanger.
But, currently used common remaining needle, wherein, liquid stopping clamp or only liquid sheet can move back and forth on elastic elongation pipe.After transfusion terminates, due to liquid stopping clamp and or only there is a certain distance between liquid sheet and catheter block, the elastic elongation pipe between this segment distance can produce bending or shake unavoidably when medical personnel operate or during clinical disease patient's activity.When closing liquid stopping clamp or only after liquid sheet, if liquid stopping clamp or only the elastic elongation pipe appearance bending between liquid sheet and catheter block or shake, this section of intraluminal volume of elastic elongation pipe will change, thus can be intraluminal for elastic elongation pipe medical liquid squeezing or blood of human body is drawn in elastic elongation pipe tube chamber, in once blood is inhaled into elastic elongation pipe tube chamber, the most easily form thrombosis, thrombosis meeting obstruction conduit tube chamber, it is unfavorable for again infusing to clinical disease patient, simultaneously, thrombosis also can block the blood vessel of clinical disease patient, bring painful to clinical disease patient and cause life to endanger.
Summary of the invention
The invention aims to provide the single use preventing thrombosis remaining needle of a kind of improvement, with overcome in existing remaining needle because of liquid stopping clamp or only elastic elongation pipe between liquid sheet and catheter block easily produce bending or shake and and the drawback of bad hidden danger dangerous to clinical disease patient.
The object of the present invention is achieved like this: the present invention is made up of conduit, catheter block, elastic elongation pipe and these critical pieces of liquid stopping clamp, wherein, conduit is installed on a termination of catheter block, and elastic elongation Guan Ze is connected and through liquid stopping clamp by catheter block side connector is fixing, liquid stopping clamp is connected directly between on catheter block, makes liquid stopping clamp rotate around elastic elongation pipe and can not move back and forth along elastic elongation pipe；Catheter block side connector is also devised with protruding or recessed screens, is used for connecting liquid stopping clamp.
Further, the present invention is made up of conduit, catheter block, elastic elongation pipe, braided tube, adaptor and these critical pieces of liquid stopping clamp, wherein, conduit is installed on a termination of catheter block, braided tube is fixed with catheter block side connector and is connected with elastic elongation pipe by adaptor, and adaptor connects liquid stopping clamp, and braided tube is away from a termination connecting adapter of catheter block, and liquid stopping clamp is just installed on adaptor, liquid stopping clamp is made to rotate around adaptor and can not move back and forth along elastic elongation pipe.
Further, the present invention is by conduit, catheter block, elastic elongation pipe, braided tube, fixed cover and these critical pieces of liquid stopping clamp are constituted, wherein, conduit is installed on a termination of catheter block, one end of braided tube is connected with catheter block side connector, the other end of braided tube is bonding by glue, welding or mechanical interlocking method are connected with elastic elongation pipe, liquid stopping clamp passes in the reinforced resilient extension tube being made up of braided tube and elastic elongation pipe, braided tube is connected with liquid stopping clamp away from a termination of catheter block, and liquid stopping clamp is just fixed on elastic elongation pipe by fixed cover, and the clamping position of liquid stopping clamp just on elastic elongation pipe near with braided tube junction, liquid stopping clamp is made to rotate around elastic elongation pipe and can not move back and forth along elastic elongation pipe.
nullFurther，The present invention is by conduit、Catheter block、Elastic elongation pipe、Braided tube、Fixed cover、Strengthen fixed cover and these critical pieces of liquid stopping clamp are constituted，Wherein，Conduit is installed on a termination of catheter block，One end of braided tube is fixed with catheter block side connector，The other end of braided tube is bonding by glue、Welding or mechanical interlocking mode are connected with elastic elongation pipe，Liquid stopping clamp passes in the reinforced resilient extension tube being made up of braided tube and elastic elongation pipe，Braided tube is provided with reinforcement fixed cover away from a termination of catheter block，Strengthening fixed cover stops liquid stopping clamp to move toward catheter block direction，And the other end of liquid stopping clamp is just fixed on elastic elongation pipe by fixed cover，And the clamping position of liquid stopping clamp just on elastic elongation pipe near with braided tube junction，Liquid stopping clamp is made to rotate around elastic elongation pipe and can not move back and forth along elastic elongation pipe.
Further, the present invention is made up of conduit, catheter block, elastic elongation pipe, fixed cover and these critical pieces of liquid stopping clamp, wherein, conduit is installed on a termination of catheter block, and elastic elongation Guan Ze is connected and through liquid stopping clamp by catheter block side connector is fixing, liquid stopping clamp is connected near catheter block, and fixed cover is arranged on liquid stopping clamp and away from a termination of catheter block and is fixed on elastic elongation pipe, make liquid stopping clamp rotate around elastic elongation pipe and can not move back and forth along elastic elongation pipe.
The technical measures that the present invention is useful are: the present invention is by conduit, catheter block, elastic elongation pipe, adapter sleeve and these critical pieces of liquid stopping clamp are constituted, wherein, conduit is installed on a termination of catheter block, and elastic elongation Guan Ze is connected and through liquid stopping clamp by catheter block side connector is fixing, elastic elongation pipe box is entered in adapter sleeve, catheter block is connected with adapter sleeve by catheter block side connector and is fixed, liquid stopping clamp is fixed away from the concavo-convex screens of catheter block one termination by adapter sleeve, and the clamping position of liquid stopping clamp is located just on elastic elongation pipe near adapter sleeve away from catheter block, to guarantee that liquid stopping clamp maintains a certain distance with catheter block, and make liquid stopping clamp rotate around elastic elongation pipe and can not move back and forth along elastic elongation pipe.
The following preferably technical scheme of the present invention:
The present invention is made up of conduit, catheter block, elastic elongation pipe, connecting tube and these critical pieces of two-way cock, wherein, conduit is installed on a termination of catheter block, one end of connecting tube packs in catheter block side connector, the other end of connecting tube packs in the joint of two-way cock one end, the other end of two-way cock is connected with elastic elongation pipe, there is a sealing ring connecting tube and catheter block side connector junction, by sealing ring sealing between connecting tube and catheter block, two-way cock is made to rotate around catheter block side connector and can not move back and forth along elastic elongation pipe；This sealing ring can also be arranged on the junction of connecting tube and two-way cock.
The present invention is made up of conduit, catheter block, elastic elongation pipe and these critical pieces of two-way cock, wherein, conduit is installed on a termination of catheter block, two-way cock is connected directly between on catheter block, by sealing ring sealing between two-way cock and catheter block side connector, two-way cock is made to rotate around catheter block side connector and can not move back and forth along elastic elongation pipe；Catheter block side connector can also be completely fixed by two-way cock, and making two-way cock not rotate can not move back and forth along elastic elongation pipe.
The present invention is made up of conduit, catheter block, elastic elongation pipe, braided tube and these critical pieces of two-way cock, wherein, conduit is installed on a termination of catheter block, and one end of two-way cock is connected with catheter block side connector by one section of braided tube, and the other end is then connected with elastic elongation pipe.Here, why between catheter block and two-way cock, to add one section of braided tube, be to make to maintain a certain distance between two-way cock and catheter block to facilitate medical personnel to operate, and braided tube its intraluminal volume when bending or shake does not changes.Described braided tube is not limited to braided tube, it is also possible to be spring reinforced pipe, it is also possible to be that the inner chamber of pipe does not occur change in volume or the slight pipe of change in volume when bending or shake.
Present configuration is simple, and easy to operate, safe and reliable, production cost is low.The elastic elongation pipe that it can be effectively prevented between liquid stopping clamp or two-way cock and catheter block occurs that bending or the phenomenon of shake produce elastic elongation pipe tube chamber change in volume, so that it is guaranteed that there is not the malpractice of thrombosis in whole infusion process, can be widely applied to various clinical transfusion.
Accompanying drawing explanation
One of Fig. 1, the embodiment being based on present invention proposition structural representation；
Fig. 2, it is based on two structural representations of embodiment that the present invention proposes；
Fig. 3, it is based on three structural representations of embodiment that the present invention proposes；
Fig. 4, it is based on four structural representations of embodiment that the present invention proposes；
Fig. 5, it is based on five structural representations of embodiment that the present invention proposes；
Fig. 6, it is based on six structural representations of embodiment that the present invention proposes；
Fig. 7, it is based on seven structural representations of embodiment that the present invention proposes；
Fig. 8, it is based on eight structural representations of embodiment that the present invention proposes；
Fig. 9, it is based on nine structural representations of embodiment that the present invention proposes.
Detailed description of the invention
With embodiment, the structure of the present invention is further described below in conjunction with the accompanying drawings:
Labelling in figure: 1, catheter block；2, elastic elongation pipe；3, liquid stopping clamp；4, braided tube；5, adaptor；6, fixed cover；6-1, reinforcement fixed cover；7, adapter sleeve；8, two-way cock；9, connecting tube；10, conduit.
In FIG, the present invention is made up of conduit 10, catheter block 1, elastic elongation pipe 2 and these critical pieces of liquid stopping clamp 3, wherein, conduit 10 is installed on a termination of catheter block 1, elastic elongation pipe 2 is then connected and through liquid stopping clamp 3 by catheter block 1 side connector is fixing, liquid stopping clamp 3 is connected directly between on catheter block 1, and the clamping position of liquid stopping clamp 3 just at close catheter block 1 side connector, makes liquid stopping clamp 3 rotate around elastic elongation pipe 2 and can not move back and forth along elastic elongation pipe 2 on elastic elongation pipe 2；Catheter block 1 side connector is also devised with protruding or recessed screens, is used for connecting liquid stopping clamp 3.
In fig. 2, the present invention is by conduit 10, catheter block 1, elastic elongation pipe 2, braided tube 4, adaptor 5 and these critical pieces of liquid stopping clamp 3 are constituted, wherein, conduit 10 is installed on a termination of catheter block 1, braided tube 4 is fixed with catheter block 1 side connector and is passed through adaptor 5 and is connected with elastic elongation pipe 2, adaptor connects liquid stopping clamp 3, braided tube 4 is away from a termination connecting adapter 5 of catheter block 1, and liquid stopping clamp 3 is just installed on adaptor 5, and the clamping position of liquid stopping clamp 3 just on elastic elongation pipe 2 near with adaptor junction, liquid stopping clamp 3 is made to rotate around adaptor 5 and can not move back and forth along elastic elongation pipe 2.Here, why between catheter block 1 and elastic elongation pipe 2, to add one section of braided tube, be to make to maintain a certain distance between liquid stopping clamp 3 and catheter block 1 to facilitate medical personnel to operate, and braided tube 4 its intraluminal volume when bending or shake does not changes.Described braided tube 4 is not limited to braided tube, it is also possible to be spring reinforced pipe, it is also possible to be that the inner chamber of pipe does not occur change in volume or the slight pipe of change in volume when bending or shake.
In figure 3, the present invention is by conduit 10, catheter block 1, elastic elongation pipe 2, braided tube 4, fixed cover 6 and these critical pieces of liquid stopping clamp 3 are constituted, wherein, conduit 10 is installed on a termination of catheter block 1, one end of braided tube 4 is fixed with catheter block 1 side connector, the other end of braided tube 4 is bonding by glue, welding or mechanical interlocking method are connected with elastic elongation pipe 2, liquid stopping clamp 3 passes in the reinforced resilient extension tube being made up of braided tube 4 and elastic elongation pipe 2, braided tube 4 is connected with liquid stopping clamp 3 away from a termination of catheter block 1, and liquid stopping clamp 3 is just fixed on elastic elongation pipe 2 by fixed cover 6, and the clamping position of liquid stopping clamp 3 just on elastic elongation pipe 2 near with braided tube 4 junction, liquid stopping clamp 3 is made to rotate around elastic elongation pipe 2 and can not move back and forth along elastic elongation pipe 2.Here, why between catheter block 1 and elastic elongation pipe 2, to add one section of braided tube, be to make to maintain a certain distance between liquid stopping clamp 3 and catheter block 1 to facilitate medical personnel to operate, and braided tube 4 its intraluminal volume when bending or shake does not changes.Described braided tube 4 is not limited to braided tube, it is also possible to be spring reinforced pipe, it is also possible to be that the inner chamber of pipe does not occur change in volume or the slight various any pipe of change in volume when bending or shake.
nullIn the diagram，The present invention is by conduit 10、Catheter block 1、Elastic elongation pipe 2、Braided tube 4、Fixed cover 6、Strengthen fixed cover 6-1 and these critical pieces of liquid stopping clamp 3 are constituted，Wherein，Conduit 10 is installed on a termination of catheter block 1，One end of braided tube 4 is fixed with catheter block 1 side connector，The other end of braided tube 4 is bonding by glue、Welding or mechanical interlocking mode are connected with elastic elongation pipe 2，Liquid stopping clamp 3 passes in the reinforced resilient extension tube being made up of braided tube 4 and elastic elongation pipe 2，Braided tube 4 is provided with reinforcement fixed cover 6-1 away from a termination of catheter block 1，Strengthening fixed cover 6-1 stops liquid stopping clamp 3 to move toward catheter block 1 direction，And the other end of liquid stopping clamp 3 is just fixed on elastic elongation pipe 2 by fixed cover 6，And the clamping position of liquid stopping clamp 3 just on elastic elongation pipe 2 near with braided tube 4 junction，Liquid stopping clamp 3 is made to rotate around elastic elongation pipe 2 and can not move back and forth along elastic elongation pipe 2.Here, why between catheter block 1 and elastic elongation pipe 2, to add one section of braided tube, be to make to maintain a certain distance between liquid stopping clamp 3 and catheter block 1 to facilitate medical personnel to operate, and braided tube 4 its intraluminal volume when bending or shake does not changes.Described braided tube 4 is not limited to braided tube, it is also possible to be spring reinforced pipe, it is also possible to be that the inner chamber of pipe does not occur change in volume or the slight various any pipe of change in volume when bending or shake.
In Figure 5, the present invention is made up of conduit 10, catheter block 1, elastic elongation pipe 2, fixed cover 6 and these critical pieces of liquid stopping clamp 3, wherein, conduit 10 is installed on a termination of catheter block 1, elastic elongation pipe 2 is then connected and through liquid stopping clamp 3 by catheter block 1 side connector is fixing, liquid stopping clamp 3 is connected near catheter block 1, and fixed cover 6 is arranged on liquid stopping clamp 3 and away from a termination of catheter block 1 and is fixed on elastic elongation pipe 2, liquid stopping clamp 3 is made to rotate around elastic elongation pipe 2 and can not move back and forth along elastic elongation pipe 2.
In figure 6, the present invention is by conduit 10, catheter block 1, elastic elongation pipe 2, adapter sleeve 7 and these critical pieces of liquid stopping clamp 3 are constituted, wherein, conduit 10 is installed on a termination of catheter block 1, elastic elongation pipe 2 is then connected and through liquid stopping clamp 3 by catheter block 1 side connector is fixing, elastic elongation pipe 2 is packed in adapter sleeve 7, catheter block 1 is connected with adapter sleeve 7 by catheter block 1 side connector and is fixed, liquid stopping clamp 3 is fixed away from the concavo-convex screens of catheter block 1 one termination by adapter sleeve 7, guarantee that liquid stopping clamp 3 rotates around elastic elongation pipe 2 and can not move back and forth along elastic elongation pipe 2；The clamping position of liquid stopping clamp 3 is located just on elastic elongation pipe 2 near adapter sleeve 7 away from catheter block 1.Why elastic elongation pipe 2 is packed in adapter sleeve 7, be by be difficult to diastrophic adapter sleeve 7 elastic elongation pipe 2 is carried out strengthen protection, make elastic elongation pipe 2 not have any bending or shake.
In the figure 7, the present invention is by conduit 10, catheter block 1, elastic elongation pipe 2, connecting tube 9 and these critical pieces of two-way cock 8 are constituted, wherein, conduit 10 is installed on a termination of catheter block 1, and one end of connecting tube 9 packs in catheter block 1 side connector, the other end of connecting tube 9 packs in the joint of two-way cock 8 one end, the other end of two-way cock 8 is connected with elastic elongation pipe 2, there is a sealing ring connecting tube 9 and catheter block 1 side connector junction, by sealing ring sealing between connecting tube 9 and catheter block 1, two-way cock 8 is made to rotate around catheter block 1 side connector and can not move back and forth along elastic elongation pipe 2；This sealing ring can also be arranged on the junction of connecting tube 9 and two-way cock 8.
In fig. 8, the present invention is made up of conduit 10, catheter block 1, elastic elongation pipe 2 and these critical pieces of two-way cock 8, wherein, conduit 10 is installed on a termination of catheter block 1, two-way cock 8 is connected directly between on catheter block 1, by sealing ring sealing between two-way cock 8 and catheter block 1 side connector, two-way cock 8 is made to rotate around catheter block 1 side connector and can not move back and forth along elastic elongation pipe 2；Catheter block 1 side connector can also be completely fixed by two-way cock 8, and making two-way cock 8 not rotate can not move back and forth along elastic elongation pipe 2.
In fig .9, the present invention is made up of conduit 10, catheter block 1, elastic elongation pipe 2, braided tube 4 and these critical pieces of two-way cock 8, wherein, conduit 10 is installed on a termination of catheter block 1, and one end of two-way cock 8 is connected with catheter block 1 side connector by one section of braided tube 4, the other end is then connected with elastic elongation pipe 2.Here, why between catheter block 1 and two-way cock 8, to add one section of braided tube, be to make to maintain a certain distance between two-way cock 8 and catheter block 1 to facilitate medical personnel to operate, and braided tube 4 its intraluminal volume when bending or shake does not changes.Described braided tube 4 is not limited to braided tube 4, it is also possible to be spring reinforced pipe, it is also possible to be that the inner chamber of pipe does not occur change in volume or the slight various any pipe of change in volume when bending or shake.
Additionally, liquid stopping clamp 3 mentioned above, in addition to rotating around elastic elongation pipe 2, it is also possible to liquid stopping clamp 3 is fixed on elastic elongation pipe 2；And, liquid stopping clamp 3 also can replace with two-way cock 8.When two-way cock 8 is arranged on elastic elongation pipe 2.When transfusion, to two, the knob rotation of two-way cock 8 being led to position, direction, liquid medicine circulates；Otherwise then stopping infusion.Two-way cock 8 can control positive pressure infuser equally without there is the malpractice of thrombosis as liquid stopping clamp 3 well.
The elastic elongation pipe 2 that all technical measures of the present invention can be effectively prevented between liquid stopping clamp 3 or two-way cock 8 and catheter block 1 occurs that bending or the phenomenon of shake produce elastic elongation pipe 2 tube chamber change in volume, so that it is guaranteed that there is not the malpractice of thrombosis in whole infusion process.
Above-described is only the preferred embodiments of the present invention.It should be pointed out that, to those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some modification and improvement, this is also considered as belonging to protection scope of the present invention.Such as, braided tube 4 recited above, connecting tube 9, can use respectively elastic reaction any spring reinforced pipe or when bending, shake the inner chamber of pipe do not occur change in volume or the slight various any pipe of change in volume to substitute；Described liquid stopping clamp 3 also can be replaced by only liquid sheet；Further, if any transfusion only liquid device in terms of medical treatment according to or the product, technology or the scheme that design with reference to the present invention or all technical schemes of being inspired by the present invention, complete, all fall completely within the claims of the present invention.
Claims (9)
1. single use preventing thrombosis remaining needle, it is made up of conduit (10), catheter block (1), elastic elongation pipe (2) and liquid stopping clamp (3) these critical pieces, wherein, conduit (10) is installed on a termination of catheter block (1), elastic elongation pipe (2) is then connected and through liquid stopping clamp (3) by catheter block (1) side connector is fixing, it is characterized in that: liquid stopping clamp (3) is connected directly between on catheter block (1), make liquid stopping clamp (3) rotate around elastic elongation pipe (2) and can not move back and forth along elastic elongation pipe (2)；Described catheter block (1) side connector is also devised with protruding or recessed screens, is used for connecting liquid stopping clamp (3).
2. single use preventing thrombosis remaining needle, by conduit (10), catheter block (1), elastic elongation pipe (2), braided tube (4), adaptor (5) and liquid stopping clamp (3) these critical pieces are constituted, wherein, (10) termination of catheter block (1) it is installed on, braided tube (4) is fixed with catheter block (1) side connector and is passed through adaptor (5) and is connected with elastic elongation pipe (2), adaptor connects liquid stopping clamp 3, it is characterized in that: braided tube (4) is away from a termination connecting adapter (5) of catheter block (1), and liquid stopping clamp (3) is just installed on adaptor (5), liquid stopping clamp (3) is made to rotate around adaptor (5) and can not move back and forth along elastic elongation pipe (2).
null3. single use preventing thrombosis remaining needle，By conduit (10)、Catheter block (1)、Elastic elongation pipe (2)、Braided tube (4)、Fixed cover (6) and liquid stopping clamp (3) these critical pieces are constituted，Wherein，Conduit (10) is installed on a termination of catheter block (1)，It is characterized in that: one end of braided tube (4) is fixed with catheter block (1) side connector，The other end of braided tube (4) is bonding by glue、Welding or mechanical interlocking method are connected with elastic elongation pipe (2)，Liquid stopping clamp (3) passes in the reinforced resilient extension tube being made up of braided tube (4) and elastic elongation pipe (2)，Braided tube (4) is connected with liquid stopping clamp 3 away from a termination of catheter block (1)，And liquid stopping clamp (3) is just fixed on elastic elongation pipe (2) by fixed cover (6)，And the clamping position of liquid stopping clamp (3) just elastic elongation pipe (2) upper near with braided tube (4) junction，Liquid stopping clamp (3) is made to rotate around elastic elongation pipe (2) and can not move back and forth along elastic elongation pipe (2).
null4. single use preventing thrombosis remaining needle，By conduit (10)、Catheter block (1)、Elastic elongation pipe (2)、Braided tube (4)、Fixed cover (6)、Strengthen fixed cover (6-1) and liquid stopping clamp (3) these critical pieces are constituted，Wherein，Conduit (10) is installed on a termination of catheter block (1)，It is characterized in that: one end of braided tube (4) is fixed with catheter block (1) side connector，The other end of braided tube (4) is bonding by glue、Welding or mechanical interlocking mode are connected with elastic elongation pipe (2)，Liquid stopping clamp (3) passes in the reinforced resilient extension tube being made up of braided tube (4) and elastic elongation pipe (2)，Braided tube (4) is provided with reinforcement fixed cover (6-1) away from a termination of catheter block (1)，Strengthening fixed cover (6-1) stops liquid stopping clamp (3) to move toward catheter block (1) direction，And the other end of liquid stopping clamp (3) is just fixed on elastic elongation pipe (2) by fixed cover (6)，And the clamping position of liquid stopping clamp (3) just elastic elongation pipe (2) upper near with braided tube (4) junction，Liquid stopping clamp (3) is made to rotate around elastic elongation pipe (2) and can not move back and forth along elastic elongation pipe (2).
5. single use preventing thrombosis remaining needle, by conduit (10), catheter block (1), elastic elongation pipe (2), fixed cover (6) and liquid stopping clamp (3) these critical pieces are constituted, wherein, conduit (10) is installed on a termination of catheter block (1), elastic elongation pipe (2) is then connected and through liquid stopping clamp (3) by catheter block (1) side connector is fixing, it is characterized in that: liquid stopping clamp (3) is connected near catheter block (1), and fixed cover (6) is arranged on liquid stopping clamp (3) and away from a termination of catheter block (1) and is fixed on elastic elongation pipe (2), liquid stopping clamp (3) is made to rotate around elastic elongation pipe (2) and can not move back and forth along elastic elongation pipe (2).
null6. single use preventing thrombosis remaining needle，By conduit (10)、Catheter block (1)、Elastic elongation pipe (2)、Adapter sleeve (7) and liquid stopping clamp (3) these critical pieces are constituted，Wherein，Conduit (10) is installed on a termination of catheter block (1)，Elastic elongation pipe (2) is then connected and through liquid stopping clamp (3) by catheter block (1) side connector is fixing，It is characterized in that: elastic elongation pipe (2) is packed in adapter sleeve (7)，Catheter block (1) is connected by catheter block (1) side connector with adapter sleeve (7) and fixes，Liquid stopping clamp (3) is fixed away from the concavo-convex screens of catheter block (1) termination by adapter sleeve (7)，And the clamping position of liquid stopping clamp (3) is located just at elastic elongation pipe (2) and goes up near adapter sleeve (7) away from catheter block (1)，To guarantee that liquid stopping clamp (3) maintains a certain distance with catheter block (1)，And make liquid stopping clamp (3) rotate around elastic elongation pipe (2) and can not move back and forth along elastic elongation pipe (2).
7. single use preventing thrombosis remaining needle, by conduit (10), catheter block (1), elastic elongation pipe (2), connecting tube (9) and two-way cock (8) these critical pieces are constituted, wherein, conduit (10) is installed on a termination of catheter block (1), it is characterized in that: one end of connecting tube (9) packs in catheter block (1) side connector, the other end of connecting tube (9) packs in the joint of two-way cock (8) one end, the other end of two-way cock (8) is connected with elastic elongation pipe (2), there is a sealing ring connecting tube (9) and catheter block (1) side connector junction, by sealing ring sealing between connecting tube (9) and catheter block (1), two-way cock (8) is made to rotate around catheter block (1) side connector and can not move back and forth along elastic elongation pipe (2)；This sealing ring can also be arranged on the junction of connecting tube (9) and two-way cock (8).
8. single use preventing thrombosis remaining needle, it is made up of conduit (10), catheter block (1), elastic elongation pipe (2) and two-way cock (8) these critical pieces, wherein, conduit (10) is installed on a termination of catheter block (1), it is characterized in that: two-way cock (8) is connected directly between on catheter block (1), by sealing ring sealing between two-way cock (8) and catheter block (1) side connector, two-way cock (8) is made to rotate around catheter block (1) side connector and can not move back and forth along elastic elongation pipe (2)；Catheter block (1) side connector can also be completely fixed by two-way cock (8), and making two-way cock (8) not rotate can not move back and forth along elastic elongation pipe (2).
9. single use preventing thrombosis remaining needle, it is made up of conduit (10), catheter block (1), elastic elongation pipe (2), braided tube (4) and two-way cock (8) these critical pieces, wherein, conduit (10) is installed on a termination of catheter block (1), it is characterized in that: one end of two-way cock (8) is connected with catheter block (1) side connector by one section of braided tube (4), and the other end is then connected with elastic elongation pipe (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510245131.0A CN106267449B (en) | 2015-05-14 | 2015-05-14 | Disposable anti-thrombus indwelling needle |
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| CN201510245131.0A CN106267449B (en) | 2015-05-14 | 2015-05-14 | Disposable anti-thrombus indwelling needle |
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| CN106267449B CN106267449B (en) | 2020-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998484A (en) * | 2017-12-28 | 2018-05-08 | 谢世庚 | Washing pipe formula liquid stopping clamp |
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| CN106267449B (en) | 2020-03-17 |
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