CN1759890A - Improved transfusion sheath in butterfly bend needle - Google Patents
Improved transfusion sheath in butterfly bend needle Download PDFInfo
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- CN1759890A CN1759890A CN 200410083649 CN200410083649A CN1759890A CN 1759890 A CN1759890 A CN 1759890A CN 200410083649 CN200410083649 CN 200410083649 CN 200410083649 A CN200410083649 A CN 200410083649A CN 1759890 A CN1759890 A CN 1759890A
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- needle
- transfusion
- syringe needle
- butterfly
- sheath
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Abstract
An improved butterfly-type needle-sleeve set for perfusion is composed of a bent needle set consisting of a L-shaped needle, a wing unit with a central tube and a connecting tube, and a needle sleeve with an internal cavity for containing said needle in it, a front pinhole for extending needle from it and a long slot on the inner surface of tubular sleeve for guiding and fixing said needle. Its advantages are no pollution of liquid medicine to medical stuff and expendable application.
Description
Technical field
The invention relates to a kind of improved transfusion sheath in butterfly bend needle, especially refer to provide the special use of vein interplantation formula transfusion cork, overlap after the sufferer enforcement chemotherapy by the transfusion of butterfly looper, the process of Needle removing does not have the danger that chemicals pollutes the medical worker, and used syringe needle is really hidden and is fixed in needle guard inside and can't takes out, and is used once again stopping.
Background technology
Vein interplantation formula transfusion cork is commonly called as the artificial blood vessel, it comprises spheroid part and conduit part, spheroid is size as 10 yuan of coins partly, be hard plastics or rosette, there is the silicious rubber of closure the centre, conduit partly uses siliceous material, and it can implant the subcutaneous danger aesthetic in appearance and the minimizing accompanying infection that has concurrently fully; Vein interplantation formula transfusion cork provides the sufferer that needs long-term medicine or infusion treatment, a reusable blood intubate approach, the input of its tolerable medicine, transfusion and blood component and other solution, also can be used as the blood sampling inspection, more be widely used in the cancer sufferer of chemotherapy at present; Vein interplantation formula transfusion cork not only can be exempted medical personnel can't find sufferer venous worry smoothly, also can reduce sufferer because of the long-term repeatedly body and mind misery of vascular puncture, and it is very easy in the treatment of operation back, do not influence the daily life of sufferer, even do not need to re-use, stay in the patient and also can not cause any harm human body.
Vein interplantation formula transfusion cork must use exclusive syringe needle, claims butterfly looper transfusion cover; The syringe needle of butterfly looper transfusion cover is compared with general syringe needle, the needle slope that can find out butterfly looper transfusion cover is less, so the puncture area of contact is less, siliceous rubber injury for vein interplantation formula transfusion cork is less, if use the exclusive butterfly looper transfusion cover of this kind, the siliceous rubber of vein interplantation formula transfusion cork can bear 1000-2000 above puncture at least.
The structure that designs at the butterfly pin that provides drop to use is numerous at present, its topmost purpose is: certain the hiding of used syringe needle placed, stop the worthless fellow with used butterfly pin through clean or sterilization after, again flowing into medical device market is used once again, its syringe needle with the butterfly pin is hidden really and is placed, and can prevent effectively that the medical worker from suffering syringe needle to stab infective virus.
But, present stage is at the butterfly looper of vein interplantation formula transfusion cork special use transfusion cover and the structure of design is actually rare, the inventor in view of this, participate in the research and development design and manufacturing practical experience of related industry for many years with it, structure at butterfly looper transfusion cover improves, after phase makes the butterfly looper transfusion cover of improveing by the inventor make sufferer implement chemotherapy, the process that butterfly looper transfusion cover is pulled out from the vein interplantation formula transfusion cork of sufferer, the chemicals of its treatment sufferer can not pollute the medical worker, and used syringe needle really hidden be fixed in needle guard inside and cause and to take out, used once again stopping.
Summary of the invention
Main purpose of the present invention is to provide the improved transfusion sheath in butterfly bend needle of vein interplantation formula transfusion cork special use, it can prevent the danger to this chemicals pollution medical worker after the sufferer enforcement chemotherapy, and used syringe needle is really hidden and is fixed in needle guard inside and can't takes out, and is used once again stopping.
The another main purpose of the present invention is to provide can be smooth in the improved transfusion sheath in butterfly bend needle of sufferer body surface, when the acting section of L shaped syringe needle inserts in the siliceous rubber of vein interplantation formula transfusion cork, fin and infusion connection tube can firmly smoothly be unlikely to get loose in the sufferer body surface, then by butterfly looper transfusion cover the process of sufferer enforcement infusion treatment are not had the drawback generation of leakage.
For achieving the above object, butterfly looper transfusion cover first embodiment of the present invention comprises a looper group and a needle guard; This looper group is to be made of L shaped syringe needle, fin and infusion connection tube, the acting section front end of its syringe needle can be inserted and sting in the siliceous rubber of vein interplantation formula transfusion cork, and the connected section of syringe needle is established a clip scrobicular ring and the corresponding one end of the central tube that penetrates fin, and other end of the middle pipe of fin is to be connected with infusion connection tube; This needle guard is to be provided with the cylindrical shell that hollow needle holding chamber and front end have needle outlet for inside, on the barrel of needle guard, establish an elongated slot, this elongated slot is connected with endoporus, and the end of elongated slot is established a fastener that is triangle draw-in groove shape, the place ahead of this fastener is provided with the guide pin inclined-plane and first clamping groove in regular turn, and the front end of elongated slot is established with second clamping groove.
For achieving the above object, butterfly looper transfusion cover second embodiment of the present invention comprises a looper group and a needle guard; The looper group, form by L shaped syringe needle, fin and infusion connection tube, the acting section front end of its syringe needle can be inserted and sting in the siliceous rubber of vein interplantation formula transfusion cork, and the binding of the clipping ring of middle pipe the inner of the connected section front end of syringe needle and fin, and the middle pipe outer end of fin is connected with infusion connection tube; Needle guard, be that inside is provided with the cylindrical shell that hollow needle holding chamber and front end have needle outlet, on the barrel of needle guard, establish an elongated slot, and the front end of needle guard is established the solid pin projection of a shape, perpendicular section of this solid pin projection 44 establish one with the clip hole of elongated slot conducting, establish a syringe needle caulking groove in perpendicular section of solid pin projection, the position of the corresponding solid pin projection in the rear end of needle guard is established one and is managed projection admittedly in addition, and this manages projection inside admittedly and establishes adapter caulking groove narrow, inner width.
Use beneficial effect of the present invention to be: the process that butterfly looper transfusion cover is pulled out from the vein interplantation formula transfusion cork of sufferer, the chemicals of its treatment sufferer can not pollute the medical worker, and used syringe needle really hidden be fixed in needle guard inside and cause and to take out, used once again stopping.
Description of drawings
Fig. 1 is the member combination three-dimensional appearance sketch map of first embodiment of the invention;
Fig. 2 is the perspective exploded view of first embodiment of the invention;
Fig. 3 is the three-dimensional appearance sketch map that the first embodiment of the invention syringe needle passes the needle guard front end;
Fig. 4 is the three-dimensional appearance sketch map of first embodiment of the invention syringe needle retraction needle guard inside;
Fig. 5 is that the clip scrobicular ring of first embodiment of the invention syringe needle is fastened in the forward sight outward appearance plane graph in first clamping groove;
Fig. 6 is that the clip scrobicular ring of first embodiment of the invention syringe needle is fastened in the forward sight outward appearance plane graph in second clamping groove;
Fig. 7 is that the clip scrobicular ring of first embodiment of the invention syringe needle is fastened in the forward sight outward appearance plane graph in the fastener;
Fig. 8 is that the clip scrobicular ring of first embodiment of the invention syringe needle is fastened in the top plan view in first clamping groove;
Fig. 9 is that the clip scrobicular ring of first embodiment of the invention syringe needle is fastened in the top plan view in second clamping groove;
Figure 10 be the syringe needle of first embodiment of the invention insert sting in the siliceous rubber of vein interplantation formula transfusion cork and fin smooth in the use embodiment of sufferer body surface.
Figure 11 is that the clip scrobicular ring of second embodiment of the invention syringe needle is fastened in the top plan view in first clamping groove;
Figure 12 is that the clip scrobicular ring of second embodiment of the invention syringe needle is fastened in the top plan view in the syringe needle caulking groove;
Figure 13 is the three-dimensional appearance sketch map that the second embodiment of the invention syringe needle passes the needle guard front end;
Figure 14 is that the clip scrobicular ring of second embodiment of the invention syringe needle is fastened in the three-dimensional appearance sketch map in the syringe needle caulking groove;
Figure 15 be the syringe needle of second embodiment of the invention insert sting in the siliceous rubber of vein interplantation formula transfusion cork and fin smooth in the use embodiment of sufferer body surface.
The specific embodiment
First embodiment of butterfly looper of the present invention transfusion cover＜see also Fig. 1 and Fig. 2 〉, comprise a looper group 10 and a needle guard 20;
One looper group 10, form by L shaped syringe needle 11, fin 12 and infusion connection tube 13, the acting section front end of its syringe needle 11 can insert and sting in the siliceous rubber of vein interplantation formula transfusion cork＜and see also Figure 10 〉, and the connected section of syringe needle 11 is established a clip scrobicular ring 111 and corresponding middle pipe 121 1 ends that penetrate fin 12, and middle pipe 121 other ends of fin 12 are to be connected with infusion connection tube 13;
One needle guard 20, be that inside is provided with the cylindrical shell (as shown in Figure 5) that hollow needle holding chamber 21 and front end have needle outlet 22, on the barrel of needle guard 20, establish an elongated slot 23 (as Fig. 2 and shown in Figure 5), this elongated slot 23 is to be connected with needle holding chamber 21, establish a fastener 231 (as Fig. 2, shown in Figure 5) that is triangle draw-in groove shape in the end of elongated slot 23, and fastener 231 the place aheads are provided with the guide pin inclined-plane 232 and first clamping groove 233 in regular turn, and the front end of elongated slot 23 is established with second clamping groove 234.
When assembling first embodiment of the invention butterfly looper is infused the member that overlaps (as shown in Figure 2), be syringe needle 11 acting sections with looper group 10,232 the place aheads, guide pin inclined-plane from the elongated slot 23 of needle guard 20 penetrate needle holding chamber 21 inside (as shown in Figure 8), and clip scrobicular ring 111 correspondences of syringe needle 11 connected sections are fastened in first clamping groove 233 of elongated slot 23, to form the butterfly looper transfusion cover that syringe needle 11 is hidden in needle guard 20 inside.
When implementing to cooperate vein interplantation formula transfusion cork that sufferer is carried out infusion treatment (as Fig. 3, Fig. 6 and Fig. 9 mark) by butterfly looper transfusion cover first of the present invention, be that fin 12 with thrust looper group 10 causes syringe needle 11 to be passed forward, pass the needle outlet 22 of needle guard 20 front ends up to syringe needle 11, and clip scrobicular ring 111 correspondences of syringe needle 11 connected sections are fastened in second clamping groove 234 of elongated slot 23, are revealed in overlapping in the transfusion of butterfly looper of needle guard 20 outsides to form syringe needle 11; When the acting section correspondence of L shaped syringe needle 11 is inserted in the siliceous rubber of vein interplantation formula transfusion cork 30, fin 12 and infusion connection tube 13 can be firmly smooth in sufferer body surface be unlikely to get loose (as shown in figure 10), then cooperate 30 pairs of sufferers of vein interplantation formula transfusion cork to implement the process of infusion treatment by butterfly looper transfusion cover, the drawback that does not have leakage produces.
When butterfly looper of the present invention transfusion cover first is implemented the sufferer infusion treatment is finished, and syringe needle 11 is when extracting the siliceous rubber of vein interplantation formula transfusion cork 30; Used once again by the worthless fellow for stopping used syringe needle 11, be that fin 12 with thrust looper group 10 causes syringe needle 11 to be passed backward, up to syringe needle 11 via needle outlet 22 retraction needle guards 20 inside, and the clip scrobicular ring 111 of syringe needle 11 enters (as Fig. 4 and Fig. 7 mark) in the fastener 231 along the guide pin inclined-plane 232 of elongated slot 23, forever syringe needle 11 is hidden in needle guard 20 inside and makes it can't take out the purpose of being used once again to reach.
Second embodiment of butterfly looper of the present invention transfusion cover＜see also Figure 11 and Figure 12 〉, comprise a looper group 40 and a needle guard 50;
One looper group 40, form by L shaped syringe needle 41, fin 42 and infusion connection tube 43, the acting section front end of its syringe needle 41 can insert and sting in the siliceous rubber of vein interplantation formula transfusion cork＜and see also Figure 15 〉, and the clipping ring 422 of middle pipe 421 the inners of the connected section front end of syringe needle 41 and fin 42 links, and is connected with infusion connection tube 43 in middle pipe 421 outer ends of fin 42;
One needle guard 50, be that inside is provided with the cylindrical shell (as Figure 11 and shown in Figure 12) that hollow needle holding chamber 51 and front end have needle outlet 52, on the barrel of needle guard 50, establish an elongated slot 53 (as Figure 13 and shown in Figure 14), and the front end of needle guard 50 is established a L shaped solid pin projection 54, admittedly perpendicular section portion of pin projection 54 establishes a clamping groove 541 that communicates with elongated slot 53, crosspiece portion in solid pin projection 54 establishes a syringe needle caulking groove 542, the position of the corresponding solid pin projection 54 in the rear end of needle guard 50 is established one and is managed projection 55 admittedly in addition, and this is managed projection 55 inside admittedly and establishes a clamp caulking groove 551.
When assembling second embodiment of the invention butterfly looper is infused the member that overlaps (as shown in figure 11), at first syringe needle 41 acting sections of looper group 40 are penetrated needle holding chamber 51 inside (as shown in figure 13) of needle guard 50, when syringe needle 41 along elongated slot 53 outwards and after passing needle outlet 52,40 dextrorotations of looper group are turn 90 degrees, follow middle pipe 421 leading portions with the fin 42 of smooth needle guard 50, embed in the clamping groove 541 of the solid pin projection 54 of needle guard 50 front ends, and the clipping ring 422 of pipe 421 front ends can be smooth on perpendicular section portion's antetheca of solid pin projection 54 in the fin 42, subsequently the syringe needle 41 of looper group 40 is embedded in the crosspiece portion syringe needle caulking groove 542 of solid pin projection 54 (as Figure 12 and shown in Figure 14), at last the infusion connection tube 43 of looper group 40 is embedded the member assembling that to reach butterfly looper transfusion cover in the clamp caulking groove 551 of solid pipe projection 55 inside of needle guards 50 rear ends.
When cooperating 30 pairs of sufferers of vein interplantation formula transfusion cork to carry out infusion treatment (as shown in figure 15) by second embodiment of the invention butterfly looper transfusion cover, the clothes of sufferer institute wear can not heaved, and infusion connection tube 43 can pressurized and the function of interrupting infusing, and the use steadiness that its butterfly looper transfusion cover puncture intravenous is planted the formula transfusion cork is better.
In sum, improved transfusion sheath in butterfly bend needle of the present invention, it can prevent that sufferer from implementing the danger that this chemicals pollutes the medical worker after the chemotherapy, and used syringe needle hides really and be fixed in the needle guard and portion can't take out, and is used once again stopping; And insert in the siliceous rubber of vein interplantation formula transfusion cork when sufferer carried out infusion treatment in syringe needle, fin and infusion connection tube can firmly smoothly be unlikely to get loose in the sufferer body surface, then the process of sufferer enforcement infusion treatment is not had the drawback generation of leakage by butterfly looper transfusion cover, this is to be the topmost intention of the present invention place, explanation in the lump sincerely.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; such as anyly have the knack of this road skill person; when can be without departing from the spirit and scope of the present invention; carry out various changes and retouching, so protection scope of the present invention defines and is as the criterion when looking accompanying claim.
Claims (10)
1. an improved transfusion sheath in butterfly bend needle comprises a looper group and a needle guard; This looper group is made up of syringe needle, fin and infusion connection tube, and the acting section front end of its syringe needle can be inserted and sting in the siliceous rubber of vein interplantation formula transfusion cork; This needle guard is that inside is provided with the cylindrical shell that hollow needle holding chamber and front end have needle outlet;
Its improvement is:
The syringe needle connected section of looper group is established a clip scrobicular ring, and the stage casing of fin establishes in one pipe, and this one end of the central tube can fasten for the connected section correspondence of syringe needle, and middle pipe in addition end be to be connected with infusion connection tube;
Establish an elongated slot on the barrel of needle guard, this elongated slot is to be connected with needle holding chamber, establishes a fastener in the end of elongated slot, and this fastener the place ahead is provided with the guide pin inclined-plane.
2. improved transfusion sheath in butterfly bend needle according to claim 1 is characterized in that the syringe needle of looper group is L-shaped, and it can prevent that sufferer from implementing the danger that this chemicals pollutes the medical worker after the chemotherapy.
3. improved transfusion sheath in butterfly bend needle according to claim 1, it is characterized in that, the elongated slot rear end fastener of needle guard is to be must not import the triangle draw-in groove shape that withdraws from only, this fastener can forever be placed restrictions on the clip scrobicular ring of used syringe needle in wherein, and then syringe needle is hidden in needle guard inside can't takes out and used once again.
4. improved transfusion sheath in butterfly bend needle according to claim 1 is characterized in that, establish with first clamping groove in the elongated slot stage casing of needle guard, and this first clamping groove can be chimeric for the clip scrobicular ring correspondence of syringe needle, can locate before then syringe needle does not use and be hidden in needle guard inside.
5. improved transfusion sheath in butterfly bend needle according to claim 1, it is characterized in that the elongated slot front end of needle guard is established with second clamping groove, this second clamping groove can be chimeric for the clip scrobicular ring correspondence of syringe needle, then syringe needle protrudes out when outwards carrying out infusion treatment, can link firm with needle guard.
6. an improved transfusion sheath in butterfly bend needle comprises a looper group and a needle guard; This looper group is made up of syringe needle, fin and infusion connection tube, and the acting section front end of its syringe needle can be inserted and sting in the siliceous rubber of vein interplantation formula transfusion cork; This needle guard is that inside is provided with the cylindrical shell that hollow needle holding chamber and front end have needle outlet, establishes an elongated slot on the barrel of needle guard;
Its improvement is:
Establish a clipping ring between the middle pipe upper end of the connected section front end of the syringe needle of this looper group and fin, and the middle pipe lower end of fin is connected mutually with tube for transfusion;
The front end of needle guard is established a solid pin projection, and perpendicular section portion of this solid pin projection establishes a clamping groove that communicates with elongated slot, with the syringe needle clipping ring of this looper group of clip.
7. improved transfusion sheath in butterfly bend needle according to claim 6 is characterized in that, this solid pin projection and crosspiece portion establish a syringe needle caulking groove again.
8. improved transfusion sheath in butterfly bend needle according to claim 6 is characterized in that, the rear end of this needle guard is further established one corresponding to the position of this solid pin projection and managed projection admittedly, and tube for transfusion is fixed.
9. improved transfusion sheath in butterfly bend needle according to claim 8 is characterized in that, this is managed admittedly a clamp caulking groove further is set in the projection, with fixing tube for transfusion.
10. improved transfusion sheath in butterfly bend needle according to claim 6 is characterized in that, the solid pin projection of the front end of needle guard is L shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410083649 CN1759890A (en) | 2004-10-14 | 2004-10-14 | Improved transfusion sheath in butterfly bend needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410083649 CN1759890A (en) | 2004-10-14 | 2004-10-14 | Improved transfusion sheath in butterfly bend needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1759890A true CN1759890A (en) | 2006-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410083649 Pending CN1759890A (en) | 2004-10-14 | 2004-10-14 | Improved transfusion sheath in butterfly bend needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1759890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251080A (en) * | 2015-09-01 | 2016-01-20 | 杨松 | Butterfly needle protective sleeve and butterfly needle assembly |
-
2004
- 2004-10-14 CN CN 200410083649 patent/CN1759890A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251080A (en) * | 2015-09-01 | 2016-01-20 | 杨松 | Butterfly needle protective sleeve and butterfly needle assembly |
| CN105251080B (en) * | 2015-09-01 | 2018-07-24 | 杨松 | A kind of butterfly needle protective case and butterfly needle assemblies |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongshan Pushi Medical Technology Co., Ltd. Assignor: Yuanbao Medical Equipment Co., Ltd. Contract fulfillment period: From May 24, 2005 to October 14, 2024 Contract record no.: 051000030068 Denomination of invention: Butterfly shaped curved needle infusion sleeve improvement License type: exclusive license Record date: 20050728 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2005.5.24 TO 2024.10.14 Name of requester: ZHONGSHAN CITY PUSHI MEDICAL TECHNICIAN LTD. Effective date: 20050728 |
|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20060419 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |