CN201061638Y - Non-needle enclosed transfusion joint - Google Patents
Non-needle enclosed transfusion joint Download PDFInfo
- Publication number
- CN201061638Y CN201061638Y CNU2007201701080U CN200720170108U CN201061638Y CN 201061638 Y CN201061638 Y CN 201061638Y CN U2007201701080 U CNU2007201701080 U CN U2007201701080U CN 200720170108 U CN200720170108 U CN 200720170108U CN 201061638 Y CN201061638 Y CN 201061638Y
- Authority
- CN
- China
- Prior art keywords
- tube body
- elastic column
- post
- utility
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 231100000252 nontoxic Toxicity 0.000 claims abstract description 4
- 230000003000 nontoxic effect Effects 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000560 biocompatible material Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 description 21
- 239000007788 liquid Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a needleless and sealed transfusion connector, which includes an upper tube body, a lower tube body and an elastic column. An internal spiral mouthpiece is arranged on the mid-lower portion of the lower tube body of which the upper end is sleeved at the lower end of the elastic column, the elastic column is externally sleeved with the upper tube body of which the lower end is sleeved at the upper end of the lower tube, the upper end of the tube body matches with the upper end of the elastic column which is internally provided with a fluid passage communicated with the lower tube body, an upper port of the elastic column is a sealing structure, and a cut is arranged on the upper port of the elastic column. Owning to the elasticity of the elastic column and the design of the sealing structure in the upper portion of the elastic column, in the using time, the elastic column of the utility model is enabled to being rapidly sealed after the elastic column returns to guarantee no leakage. In the process of using, no upward thrust force is needed to exert on the mouthpiece of the transfusion device, and the upper tube body does not drop off, increasing the operation safety. Furthermore, the utility model is simple in structure, materials for making the utility model are medical nontoxic materials and the cost is low.
Description
Technical field
This utility model relates to a kind of infusion connector, and specifically a kind of being used for can guarantee the novel Needleless seal transfusion joint that infusion set and infusion connector are connected firmly in medical aspect.
Background technology
In clinical, by venipuncture transfuse blood, the injection of transfusion or medicine is method the most frequently used in the therapeutic process.At present, domestic most ofly in the venous transfusion therapeutic process puncture for transfusion needle, restriction because of disease situation or the condition of patient own, prolonged and repeated transfusion needing can appear or the situation of medicinal liquid in liquid-transport pipe-line of will repeatedly temporarily annotating in the single transfusion, the misery that punctures and bring for fear of repeated multiple times to the patient, usually be serial connection needleless infusion connector in the transfusion device pipeline, but present infusion connector exist certain defective and deficiency.In the middle of being generally, these needleless infusion connectors have piston structure, and piston structure generally can have spring assembly, guarantee that the transfusion piston that finishes resets to reach the effect of sealing under spring action, but just because of this spring assembly is arranged, the active force that the joint of infusion set is easy to be subjected to spring is pushed out, cause coming off between infusion set and the infusion connector, thereby cause the failure of infusing.
In sum, present domestic urgent need is a kind of simple to operation and can guarantee the Needleless seal transfusion joint that infusion set and infusion connector are connected firmly.
The utility model content
The purpose of this utility model is to provide a kind of Needleless seal transfusion joint that can guarantee that infusion set and infusion connector are connected firmly.
For achieving the above object, this utility model adopts following technical scheme:
A kind of Needleless seal transfusion joint, it comprises upper tube body, lower tube body and post; Described lower tube body middle and lower part is provided with the internal coiling interface, and its upper end is sheathed on the post lower end; Described upper tube body is sheathed on outside the post, and its lower end is sheathed on the lower tube body upper end; Described post upper end is complementary with the upper tube body upper end, and is provided with fluid passage in it and is communicated with lower tube body, and this post upper port is a hermetically-sealed construction, which is provided with a kerf.
Above-mentioned a kind of Needleless seal transfusion joint, wherein, described upper tube body upper end outer wall is provided with screw thread.
Above-mentioned a kind of Needleless seal transfusion joint, wherein, described upper and lower body is non-toxic biocompatible material and makes.
Above-mentioned a kind of Needleless seal transfusion joint, wherein, described post can be made for elasticity medical poisonless materials such as silica gel material or rubber materials.
Needleless seal transfusion joint described in the utility model in use, syringe or infusion connector be connected with this utility model closed transfusion adaptor or when spinning its end press down, post is subjected to downward power and is pushed, the otch of its upper end is opened up to shifting onto to a certain degree, syringe or infusion connector and then enter in the fluid passage of post, because the fluid passage of post and lower tube body are communicated with, medicinal liquid flows into lower tube body through the post passage in syringe or infusion connector, the lower tube body lower end generally spins by the internal coiling interface on it or connects tube for transfusion and syringe needle, so medicinal liquid enters in patient's body through tube for transfusion and syringe needle from lower tube body.After transfusion finishes, extract syringe or tube for transfusion joint, post reaches sealing state owing to himself elastic deformation is returned to original state.
Advantage of the present utility model and benefit:
The particular design of its post of Needleless seal transfusion joint described in the utility model makes it in use because post self elasticity and its top seal structure Design, can seal rapidly to guarantee that medicinal liquid can not leak after it is replied.This utility model in use there is no the joint that thrust upwards puts on infusion set, makes the situation of its upper tube body that can not come off, and has increased the safety of operation.This utility model is simple in structure, and used material is the medical poisonless material, and is with low cost.
Below in conjunction with accompanying drawing and preferred forms this utility model being described further, so that the public has whole and understanding fully to summary of the invention, and is not the qualification to this utility model protection domain.Aforementioned part fully discloses the protection domain that this utility model can be implemented, and therefore allly any well known in the artly is equal to replacement according to what this utility model disclosure was carried out, all belongs to infringement of the present utility model.
Description of drawings
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model user mode sketch map.
The specific embodiment
As shown in Figure 1, 2, a kind of Needleless seal transfusion joint, it comprises upper tube body 1, lower tube body 2 and post 3; Described lower tube body 2 middle and lower parts are provided with internal coiling interface 21, and its upper end is sheathed on post 3 lower ends; Described upper tube body 1 is sheathed on outside the post 3, and its lower end is sheathed on lower tube body 2 upper ends; Described post 3 upper ends and upper tube body 1 upper end are complementary, and are provided with fluid passage 31 in it and are communicated with lower tube body 2, and these post 3 upper port are hermetically-sealed construction, which is provided with a kerf 32.
Above-mentioned upper tube body 1 upper end outer wall is provided with screw thread 11.
Above-mentioned upper and lower body 1,2 is non-toxic biocompatible material and makes.
Above-mentioned post 3 can be made for elasticity medical poisonless materials such as silica gel material or rubber materials.
Needleless seal transfusion joint described in the utility model in use, syringe or infusion connector be connected with this utility model closed transfusion adaptor or when spinning its end 4 press down, post 3 is subjected to downward power and is pushed, the otch 32 of its upper end is opened up to shifting onto to a certain degree, the end 4 of syringe or infusion connector and then enter in the fluid passage 31 of post 3, because the fluid passage 31 of post 3 and lower tube body 2 are communicated with, medicinal liquid flows into lower tube body 2 through post 3 fluid passages 31 in syringe or infusion connector, lower tube body 2 lower ends generally spin by the internal coiling interface 21 on it or directly connect tube for transfusion and syringe needle, so medicinal liquid enters in patient's body through tube for transfusion and syringe needle from lower tube body 2.After transfusion finishes, extract syringe or tube for transfusion joint, post 3 is because himself elastic deformation is returned to original state, because post 3 self elasticity and its top seal structure Design, can seal to guarantee that medicinal liquid can not leak after it is replied.In use, there is no the end 4 that thrust upwards puts on syringe or infusion set, the situation of the upper tube body 1 that therefore can not come off has increased the safety of operation.
Claims (4)
1. a Needleless seal transfusion joint is characterized in that, it comprises upper tube body, lower tube body and post; Described lower tube body middle and lower part is provided with the internal coiling interface, and its upper end is sheathed on the post lower end; Described upper tube body is sheathed on outside the post, and its lower end is sheathed on the lower tube body upper end; Described post upper end is complementary with the upper tube body upper end, and is provided with fluid passage in it and is communicated with lower tube body, and this post upper port is a hermetically-sealed construction, which is provided with a kerf.
2. a kind of Needleless seal transfusion joint according to claim 1 is characterized in that, described upper tube body upper end outer wall is provided with screw thread.
3. a kind of Needleless seal transfusion joint according to claim 1 and 2 is characterized in that, described upper and lower body is non-toxic biocompatible material and makes.
4. a kind of Needleless seal transfusion joint according to claim 1 and 2 is characterized in that, described post is that silica gel material or rubber material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201701080U CN201061638Y (en) | 2007-08-08 | 2007-08-08 | Non-needle enclosed transfusion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201701080U CN201061638Y (en) | 2007-08-08 | 2007-08-08 | Non-needle enclosed transfusion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201061638Y true CN201061638Y (en) | 2008-05-21 |
Family
ID=39450007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201701080U Expired - Fee Related CN201061638Y (en) | 2007-08-08 | 2007-08-08 | Non-needle enclosed transfusion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201061638Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961514A (en) * | 2010-10-29 | 2011-02-02 | 李丹青 | Integrated bacteria-proof needle-less airtight infusion joint |
| CN106390221A (en) * | 2016-07-11 | 2017-02-15 | 欧阳小青 | Medical push-pull type needless infusion connector |
| CN106421999A (en) * | 2016-07-11 | 2017-02-22 | 欧阳小青 | Medical spiral needleless transfusion joint |
| CN109432589A (en) * | 2018-12-26 | 2019-03-08 | 台州市路桥瑞豪科技有限公司 | The manufacture craft of needleless medicine-feeding joint |
-
2007
- 2007-08-08 CN CNU2007201701080U patent/CN201061638Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961514A (en) * | 2010-10-29 | 2011-02-02 | 李丹青 | Integrated bacteria-proof needle-less airtight infusion joint |
| CN101961514B (en) * | 2010-10-29 | 2012-08-22 | 李丹青 | Integrated bacteria-proof needle-less airtight infusion joint |
| CN106390221A (en) * | 2016-07-11 | 2017-02-15 | 欧阳小青 | Medical push-pull type needless infusion connector |
| CN106421999A (en) * | 2016-07-11 | 2017-02-22 | 欧阳小青 | Medical spiral needleless transfusion joint |
| CN109432589A (en) * | 2018-12-26 | 2019-03-08 | 台州市路桥瑞豪科技有限公司 | The manufacture craft of needleless medicine-feeding joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Haisheng Medical Device Co., Ltd. Assignor: Sun Dong Contract fulfillment period: 2009.9.1 to 2014.9.1 Contract record no.: 2009330002492 Denomination of utility model: Needleless seal transfusion joint Granted publication date: 20080521 License type: Exclusive license Record date: 20091015 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.9.1 TO 2014.9.1; CHANGE OF CONTRACT Name of requester: ZHEJIANG HAISHENG MEDICAL DEVICE CO., LTD. Effective date: 20091015 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20110808 |