CN205127008U - Needle is kept somewhere to malleation cavate - Google Patents
Needle is kept somewhere to malleation cavate Download PDFInfo
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- CN205127008U CN205127008U CN201520919367.3U CN201520919367U CN205127008U CN 205127008 U CN205127008 U CN 205127008U CN 201520919367 U CN201520919367 U CN 201520919367U CN 205127008 U CN205127008 U CN 205127008U
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- needle
- indwelling
- sealing plug
- malleation
- tube sealing
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Abstract
The utility model discloses a needle is kept somewhere to malleation cavate, including indwelling needle base, keep somewhere hose, pjncture needle and transfusion needle, the chemical liquid output port who keeps somewhere hose and indwelling needle base is connected, be equipped with the tube sealing stopper in the indwelling needle base and seal the stopper, the one end of tube sealing stopper is hugged closely and is sealed chemical liquid output port in chemical liquid output port department, seal the stopper and be located and penetrate the end, be in when keeping somewhere the state, among the indwelling needle base tube sealing stopper with seal cavity between the stopper for the malleation chamber of full of liquid, during the pinhole by pjncture needle or transfusion needle formation of liquid in the tube sealing stopper in the malleation chamber permeates and keeps somewhere the hose. Due to the fact that the above structure if adopted, add the tube sealing stopper, made inclosed infusion cavity reduce greatly, effectively reduced the backward flow of blood, not only helped avoiding keeping somewhere the formation of the interior thrombus of hose, but also can utilize to keep somewhere and draw blood to patient, owing to has add the malleation chamber, has prevented that the effect of thrombus can be better.
Description
Technical field
This utility model relates to a kind of venous detaining needle, specifically a kind of preventing thrombosis venous detaining needle.
Background technology
Existing remaining needle is divided into Y type and straight type, and because Y type is convenient, China generally uses the remaining needle of Y type; And the remaining needle troublesome poeration of straight type, but thrombosed probability is lower than the remaining needle of Y type, generally uses the remaining needle of straight type abroad.
Traditional remaining needle, during indwelling, all may produce thrombosis, all specifies in relevant operational code for this reason, every 6 to 8 hours with normal saline washing pipe once, and use anticoagulant tube sealing.
Patent Office of the People's Republic of China disclosed on January 1st, 2014
notification number is203370152U, the patent No. is 201320446868.5, patent name is the patent of self-styled preventing thrombosis venous detaining needle, this self-styled preventing thrombosis venous detaining needle, comprise needle stand, be arranged on the conduit of needle stand front end and the puncture needle core axially across described needle stand and conduit, the inner chamber of described needle stand is cut off part and is divided into plemum and transfusing chamber two parts, and described transfusing chamber is communicated with described conduit, and described obstruct section adopts medical encapsulant; Described obstruct section is provided with seepage channel, and for when described plemum and transfusing chamber exist pressure differential, the liquid in described plemum can flow into described transfusing chamber through described seepage channel automatic slowly.Self-styled preventing thrombosis venous detaining needle of the present utility model and using method thereof have following Advantageous Effects, routinely during operation suspension transfusion, automatic pipe sealing, the liquid in plemum slowly flows into transfusing chamber by described seepage channel, along with the pressure reduction between plemum and transfusing chamber reduces, percolation flow velocity also can slow down thereupon, make described plemum can maintain malleation for a long time, but this Patent Application Publication (also comprising existing all remaining needles) maximum deficiency is, because medicinal liquid all can flow through the cavity of indwelling needle, blood can remain on the tube wall of cavity, therefore existing remaining needle can not be utilized to draw blood to patient, if utilize existing remaining needle to draw blood, the hemodilution that a large amount of debris in indwelling needle can will be extracted out, so existing remaining needle can not be utilized to carry out blood drawing detection as the blood of inspection.In real work, when needing blood drawing, can only draw blood by puncture vessel separately, this shortcoming and defect, makes the remaining needle be retained in human vein not be fully used, and remaining needle does not give full play to this effect had.
This patent is the improvement carried out straight type remaining needle.
Above-mentioned discussion content object be to reader introduce may to below by the various aspects of technology relevant for the various aspects of the present utility model be described and/or advocate, believe that this discussion content contributes to for reader with background's information, to be conducive to understanding various aspects of the present utility model better, therefore, should be read these with the angle understood to discuss, instead of admit prior art.
Utility model content
The purpose of this utility model overcomes deficiency of the prior art, provides a kind of malleation cavate remaining needle, utilizes this pin can not only preventing thrombosis, can also draw blood to patient.
For achieving the above object, the technical scheme that this utility model adopts is:
Malleation cavate remaining needle, comprise indwelling needle, indwelling flexible pipe, puncture needle and transfusion needle, one end of indwelling needle is provided with medicinal liquid delivery outlet, indwelling flexible pipe is connected with the medicinal liquid delivery outlet of indwelling needle, the other end of indwelling needle be puncture needle and transfusion needle penetrate end, described puncture needle, penetrate in indwelling needle in order to the end that penetrates from indwelling needle, pass from indwelling flexible pipe through medicinal liquid delivery outlet, attached retention is put flexible pipe and is penetrated vein blood vessel, tube sealing plug and sealing plug is provided with in described indwelling needle, one end of described tube sealing plug is close to medicinal liquid equipped at outlet port and is closed by medicinal liquid delivery outlet, described sealing plug is positioned at and penetrates end, when being in indwelling state, cavity in indwelling needle between tube sealing plug and sealing plug is the malleation chamber being full of liquid, the pin hole that by puncture needle or transfusion needle formed of liquid in malleation chamber in tube sealing plug penetrates in indwelling flexible pipe, and the liquid in malleation chamber can not through sealing plug to indwelling needle exosmosis.
Further, described tube sealing plug and sealing plug are all the cylindrical-shaped structures be made up of elastic material, in tube sealing plug and sealing plug, have at least the diameter of segment section to be greater than the diameter of indwelling needle inner chamber.
Further, the diameter of one end that described tube sealing contacts with malleation chamber is beyond the Great Wall less than the diameter of the tube sealing plug other end.
Further, the diameter of described sealing plug is greater than the diameter of tube sealing plug, to prevent liquid in malleation chamber through sealing plug to indwelling needle exosmosis.
Further, the end face of described sealing plug and indwelling needle penetrate hold level with both hands neat.Be designed with the end face helped sealing plug like this to sterilize.
Further, one end of described puncture needle is provided with handle, and the end of described handle is provided with and indwelling needle can be penetrated the block held and encase.
Utilize the method for malleation cavate remaining needle preventing thrombosis, comprise the following steps: after A, the indwelling to vein blood vessel of indwelling flexible pipe, the sealing plug that transfusion needle penetrates end from indwelling needle is penetrated in indwelling needle, then communicate with indwelling flexible pipe through tube sealing plug, start transfusion; B, will stopping infusion time, outwards pull out transfusion needle, in the cavity that the needle point of transfusion needle is returned in indwelling needle between tube sealing plug and sealing plug, transfusion needle starts to infusion fluid in this cavity; C, when liquid is full of described cavity, start the infusion regulator of closing on tube for transfusion, in the process of the roller of driven forward infusion regulator, partially liq in tube for transfusion is pressed in described cavity, make to form malleation in cavity, the pin hole that by puncture needle or transfusion needle formed of liquid in cavity in tube sealing plug penetrates in indwelling flexible pipe, and ensure that the liquid in cavity can not through sealing plug to indwelling needle exosmosis, make to produce certain hydraulic pressure in indwelling flexible pipe, stop blood backflow in indwelling flexible pipe, thus avoid the formation of thrombosis in indwelling flexible pipe.
The beneficial effects of the utility model:
Owing to adopting above-mentioned version, set up tube sealing plug, tube sealing plug is utilized to be sealed by medicinal liquid delivery outlet, during input medicinal liquid, medicinal liquid directly enters indwelling flexible pipe by transfusion needle, and no longer enter the cavity of indwelling needle, airtight transfusion cavity is reduced greatly, effectively reduce the backflow of blood, help avoid the formation of thrombosis in indwelling flexible pipe, and remaining needle can be utilized to draw blood to patient, because during blood drawing, blood no longer flows through the cavity in indwelling needle, completely avoid debris in cavity to the impact of drawn blood liquid, certainly, the liquid of trace level is had in indwelling flexible pipe, but this liquid is really insignificant, little especially on the concentration impact of drawn blood liquid, according to test, debris in existing indwelling needle is 0.3 ~ 0.5C.C, and the liquid in this utility model indwelling flexible pipe only has 0.002C.C, therefore the liquid in indwelling flexible pipe is 1/150 to 1/250 of debris in indwelling needle, therefore the function that this utility model is drawn blood when achieving blood count,
Owing to having set up malleation chamber, after being in indwelling state, the effect of preventing thrombosis can be better, because the cavity in indwelling needle between tube sealing plug and sealing plug is the malleation chamber being full of liquid, the pin hole that by puncture needle or transfusion needle formed of liquid in malleation chamber in tube sealing plug penetrates in indwelling flexible pipe, make to produce certain hydraulic pressure in indwelling flexible pipe, stop blood backflow in indwelling flexible pipe, so avoid the formation of thrombosis in indwelling flexible pipe, this patent not only alleviates nursery work, improve quality of medical care, but also save medical treatment cost.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to the following drawings, but the embodiment in accompanying drawing does not form to any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that this utility model starts when infusing;
Fig. 3 is the structural representation after the needle point of this utility model transfusion needle returns to malleation chamber;
Fig. 4 is the structural representation after this utility model malleation chamber forms malleation.
In figure: 1, indwelling needle; 2, indwelling flexible pipe; 3, puncture needle; 4, transfusion needle; 5, medicinal liquid delivery outlet; 6, end is penetrated; 7, tube sealing plug; 8, hands handle; 9, block a shot; 10, sealing plug; 11, malleation chamber; 12, tube for transfusion; 13, infusion regulator; 14, roller; 15, pin hole.
Detailed description of the invention
The technical solution of the utility model is understood better in order to make those skilled in the art, below in conjunction with the drawings and specific embodiments, this utility model is described in further detail, it should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As shown in Figure 1, malleation cavate remaining needle, comprise indwelling needle 1, indwelling flexible pipe 2, puncture needle 3 and transfusion needle 4, one end of indwelling needle 1 is provided with medicinal liquid delivery outlet 5, indwelling flexible pipe 2 is connected with the medicinal liquid delivery outlet 5 of indwelling needle 1, the other end of indwelling needle 1 be puncture needle and transfusion needle penetrate end 6, described puncture needle 3, penetrate in indwelling needle 1 in order to the end that penetrates from indwelling needle 1, pass from indwelling flexible pipe 2 through medicinal liquid delivery outlet 5, attached retention is put flexible pipe 2 and is penetrated vein blood vessel, tube sealing plug 7 and sealing plug 10 is provided with in described indwelling needle 1, one end of described tube sealing plug 7 is close to medicinal liquid delivery outlet 5 place and is closed by medicinal liquid delivery outlet 5, described sealing plug 10 is positioned at and penetrates end 6, when being in indwelling state, cavity in indwelling needle 1 between tube sealing plug 7 and sealing plug 10 is the malleation chamber 11 being full of liquid, the pin hole 15 that by puncture needle 3 or transfusion needle 4 formed of liquid in malleation chamber 11 in tube sealing plug 7 penetrates in indwelling flexible pipe 2, and the liquid in malleation chamber 11 can not through sealing plug 10 to indwelling needle 1 exosmosis.When the hydraulic pressure in malleation chamber 11 be not enough to by tube sealing plug 7 pin hole 15 strut time, pin hole can be automatically closed, and the hydraulic pressure in indwelling flexible pipe 2 oppositely can not ooze out through pin hole 15, because the hydraulic pressure in indwelling flexible pipe 2 is so not large.
Tube sealing plug 7 and sealing plug 10 can use identical elastomeric material, also can use different elastomeric materials, no matter use what material, and that the diameter of sealing plug 10 can be done is larger, and it is smaller that the diameter of tube sealing plug 7 does; In order to ensure that the liquid in malleation chamber 11 can not through sealing plug 10 to indwelling needle 1 exosmosis, can only penetrate in indwelling flexible pipe 2 from the pin hole 15 tube sealing plug 7, when using different elastomeric materials, the elasticity of the material of sealing plug 10 is preferably made to be greater than the elasticity of tube sealing plug 7 material therefor.
The end face of sealing plug 10 and indwelling needle 1 to penetrate end 6 concordant.Be designed with the end helped sealing plug 10 like this to sterilize.
Described tube sealing plug 7 and sealing plug 10 are all the cylindrical-shaped structures be made up of elastic material, in tube sealing plug 7 and sealing plug 10, have at least the diameter of segment section to be greater than the diameter of indwelling needle 1 inner chamber.The diameter of one end that described tube sealing plug 7 contacts with malleation chamber is less than the diameter of the tube sealing plug other end.Such design, the highly pressurised liquid be conducive in malleation chamber 11 permeates from the pin hole 15 formed by puncture needle 3 or transfusion needle 4 tube sealing plug 7 to indwelling flexible pipe 2.
One end of described puncture needle 3 is provided with handle 8, and the end of described handle 8 is provided with and indwelling needle can be penetrated the block 9 that end 6 encases.
Utilize the method for malleation cavate remaining needle preventing thrombosis, comprise the following steps:
A, as shown in Figure 2, after the indwelling to vein blood vessel of indwelling flexible pipe, the sealing plug 10 that transfusion needle 4 penetrates end from indwelling needle 1 to be penetrated in indwelling needle 1, then communicate with indwelling flexible pipe 2 through tube sealing plug 7, start to infuse;
B, as shown in Figure 3, will stopping infusion time, outwards pull out transfusion needle 4, in the cavity (malleation chamber 11) that the needle point of transfusion needle 4 is returned in indwelling needle 1 between tube sealing plug 7 and sealing plug 10, transfusion needle starts to infusion fluid in this cavity (malleation chamber 11);
C, as shown in Figure 4, when liquid is full of described cavity (malleation chamber 11), start the infusion regulator 13 of closing on tube for transfusion 12, in the process of the roller 14 of driven forward infusion regulator 13, partially liq in tube for transfusion 12 is pressed in described cavity (malleation chamber 11), make to form malleation in cavity (malleation chamber 11), the pin hole 15 that by puncture needle or transfusion needle formed of liquid in cavity (malleation chamber 11) in tube sealing plug 7 penetrates in indwelling flexible pipe 2, and ensure that the liquid in cavity (malleation chamber 11) can not through sealing plug 10 to indwelling needle 1 exosmosis, make to produce certain hydraulic pressure in indwelling flexible pipe 2, stop blood backflow in indwelling flexible pipe 2, thus avoid the formation of thrombosis in indwelling flexible pipe 2.
Set forth a lot of detail in description above so that fully understand this utility model, but this utility model can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as the restriction to this utility model protection domain.
Claims (6)
1. a malleation cavate remaining needle, it is characterized in that: comprise indwelling needle, indwelling flexible pipe, puncture needle and transfusion needle, one end of indwelling needle is provided with medicinal liquid delivery outlet, indwelling flexible pipe is connected with the medicinal liquid delivery outlet of indwelling needle, the other end of indwelling needle be puncture needle and transfusion needle penetrate end, described puncture needle, penetrate in indwelling needle in order to the end that penetrates from indwelling needle, pass from indwelling flexible pipe through medicinal liquid delivery outlet, attached retention is put flexible pipe and is penetrated vein blood vessel, tube sealing plug and sealing plug is provided with in described indwelling needle, one end of described tube sealing plug is close to medicinal liquid equipped at outlet port and is closed by medicinal liquid delivery outlet, described sealing plug is positioned at and penetrates end, when being in indwelling state, cavity in indwelling needle between tube sealing plug and sealing plug is the malleation chamber being full of liquid, the pin hole that by puncture needle or transfusion needle formed of liquid in malleation chamber in tube sealing plug penetrates in indwelling flexible pipe, and the liquid in malleation chamber can not through sealing plug to indwelling needle exosmosis.
2. malleation cavate remaining needle according to claim 1, is characterized in that: described tube sealing plug and sealing plug are all the cylindrical-shaped structures be made up of elastic material, in tube sealing plug and sealing plug, has at least the diameter of segment section to be greater than the diameter of indwelling needle inner chamber.
3. malleation cavate remaining needle according to claim 2, is characterized in that: the diameter of one end that described tube sealing contacts with malleation chamber is beyond the Great Wall less than the diameter of the tube sealing plug other end.
4. the malleation cavate remaining needle according to Claims 2 or 3, is characterized in that: the diameter of described sealing plug is greater than the diameter of tube sealing plug.
5. malleation cavate remaining needle according to claim 1, is characterized in that: end face and the penetrating of indwelling needle of described sealing plug are held level with both hands together.
6. malleation cavate remaining needle according to claim 1, is characterized in that: one end of described puncture needle is provided with handle, and the end of described handle is provided with and indwelling needle can be penetrated the block held and encase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919367.3U CN205127008U (en) | 2015-11-18 | 2015-11-18 | Needle is kept somewhere to malleation cavate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919367.3U CN205127008U (en) | 2015-11-18 | 2015-11-18 | Needle is kept somewhere to malleation cavate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205127008U true CN205127008U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520919367.3U Expired - Fee Related CN205127008U (en) | 2015-11-18 | 2015-11-18 | Needle is kept somewhere to malleation cavate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205127008U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251081A (en) * | 2015-11-18 | 2016-01-20 | 谢世庚 | Positive pressure cavity type remaining needle and method of preventing thrombi through positive pressure cavity type remaining needle |
| CN105962994A (en) * | 2016-07-21 | 2016-09-28 | 刘雨彤 | Ashi pain relieving needle |
| CN109045400A (en) * | 2018-10-10 | 2018-12-21 | 常州市第二人民医院 | A kind of enhanced CT anti-extravasation remaining needle |
-
2015
- 2015-11-18 CN CN201520919367.3U patent/CN205127008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251081A (en) * | 2015-11-18 | 2016-01-20 | 谢世庚 | Positive pressure cavity type remaining needle and method of preventing thrombi through positive pressure cavity type remaining needle |
| CN105962994A (en) * | 2016-07-21 | 2016-09-28 | 刘雨彤 | Ashi pain relieving needle |
| CN109045400A (en) * | 2018-10-10 | 2018-12-21 | 常州市第二人民医院 | A kind of enhanced CT anti-extravasation remaining needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160729 Address after: Huapu square Tianhe District Huaming road Guangzhou City, Guangdong province 510623 9 No. 2901 (part A) Patentee after: Guangzhou heart medical instruments Co.,Ltd. Address before: 525400 Guangdong Province, Maoming City Bei Lu Xi Si Dianbai District People's Street No. 71 Patentee before: Xie Shigeng |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20211118 |