CN202336112U

CN202336112U - Safety butterfly needle assembly

Info

Publication number: CN202336112U
Application number: CN2011203986298U
Authority: CN
Inventors: 汪贤宗
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-19
Filing date: 2011-10-19
Publication date: 2012-07-18
Anticipated expiration: 2021-10-19

Abstract

The utility model relates to a safety butterfly needle assembly which comprises a butterfly needle piece and a needle guard piece, wherein the butterfly needle piece is provided with a needle fixing tube, and the needle head end of the needle fixing tube is provided with a needle head; the needle fixing tube is provided with a fixed pivot part, and a concave hook part is arranged on the fixed pivot part, penetrates through the fixed pivot part and is provided with a hook opening; the needle guard piece is provided with a hollow sleeve, and a needle sleeve groove is arranged on the sleeve; the needle sleeve groove is provided with a needle head section, and the needle head section is provided with at least one stop part; one end of the sleeve is extended to be connected with a pivoted rod, and the needle sleeve piece is pressed into the concave hook part through the hook opening of the fixed pivot part by virtue of the pivoted rod, and rotates towards the needle head end by taking the pivoted rod as an axis; and the needle head is sleeved inside the sleeve through the needle sleeve groove, and the stop part in the needle head section is utilized to prevent the needle head from slipping out of the sleeve through the needle sleeve groove.

Description

The safety butterfly needle group

Technical field

This utility model is a kind of butterfly pin group, refers to a kind of safety butterfly needle group that cooperates vein interplantation formula transfusion cork or intravenous injection or blood drawing that is used in especially.

Background technology

At present numerous to the Safety Design structure of medical butterfly pin, like No. the 1819850th, TaiWan, China patent of invention publication number, it provides a kind of butterfly needle structure; Comprise a syringe needle and pin lid; Wherein the dual side-edge of syringe needle is extended with a paster respectively, offers some chutes and pin covers the patch location and the quantity of corresponding syringe needle, and a sideslip groove respectively is provided with a storage tank near the top of rear end and opposite side chute near the bottom of rear end; And a side of pin lid is provided with a Handheld Division; Utilize kink upwards to pull paster, the Handheld Division of pinning pin lid with hands then toward post-tensioning, and exposes to inject or the action of blood draw entry needle on the pin lid.

Above-mentioned existing butterfly pin safeguard construction can only then can't provide its safeguard protection effect for the L type butterfly pin that is used in vein interplantation formula transfusion cork to the butterfly pin syringe needle kind of non-bending.

L type butterfly pin is in order to the intermediary siliceous rubber of puncture vein interplantation formula transfusion cork disk partly; Vein interplantation formula transfusion cork is commonly called as the artificial blood vessel; It provides the sufferer one reusable blood intubation procedure that needs long-term medicine or transfusion injection for curing; It can be used in the treatment of other solution such as transfusion, transfusion or injectable drug, also can be widely used in the chemotherapy of cancer sufferer at present oppositely as the method for blood sampling inspection.

The frequent injection repeatedly of head of threading a needle is used because the method for vein interplantation formula transfusion cork promptly is a facility; For the head of threading a needle pull away the intermediary siliceous rubber of vein interplantation formula transfusion cork disk partly after; Syringe needle is exposed to outer dangerous and avoid intentionally that the personage will usedly thread a needle head after cleaning or sterilizing; Again flow into medical device market and be used once again, the syringe needle of the head of all must will threading a needle is hidden and to be placed, effectively to prevent to be used once again or the medical worker is exposed on outer syringe needle and stabs infection.

Actually rare to the safety Design structure of the special-purpose head of threading a needle of vein interplantation formula transfusion cork at present; And its structure usually with can't share with the butterfly pin syringe needle of non-bending-type, the inventor in view of this, special with its research and development design of participating in related industry for many years with manufacture practical experience; Safeguard construction to the head of threading a needle is improved; Make the safeguard construction of improveing by the inventor, pull out in the process from the health region of interest of sufferer, syringe needle is exposed and the possibility of polluting the medical worker is arranged in syringe needle; And used syringe needle hidden it can't be taken out again, to stop by use once again.

Summary of the invention

In view of this; So the inventor improves the safeguard construction of existing butterfly pin; Its main purpose is to provide the safety butterfly needle group that can share with the special-purpose L type butterfly pin of vein interplantation formula transfusion cork; It can prevent that butterfly pin syringe needle from exposing the danger that the medical worker that causes pollutes because of pinprick, and used syringe needle really hides and be fixed in butterfly pin group inside and can't take out, and is used once again stopping.

This utility model time main purpose is the safty pin external member structure that a kind of facility is provided and can hides butterfly pin syringe needle, in order to the fixing butterfly pin syringe needle of rapid fit, and prevents that butterfly pin syringe needle from being deviate from by butterfly pin group once again.

The another main purpose of this utility model be to provide a kind of fin and needle tubing non-be formed in one the safety butterfly needle group; Make fin can adopt the soft materials molding separately; Make more comfortable in the process that repeats the blood intubate, the propertyization more of the sufferer that needs long-term medicine or transfusion injection for curing, and make medical personnel when operation, be more prone to safety.The technological means that this utility model adopted comprises a butterfly pin spare; This butterfly pin spare has a solid needle tubing; Admittedly needle tubing connects end in its pin and is provided with a syringe needle; And be provided with a fixing pivot portion in this solid needle tubing, this fixedly pivot portion be provided with a recessed hook part, this fixedly pivot portion and have the mouth of colluding is run through in this recessed hook part; One needle guard spare; This needle guard spare has the sleeve pipe of a hollow, and this sleeve pipe is provided with a cover needle tray, and this cover needle tray has a syringe needle section; This syringe needle section is provided with at least one stop section; And this sleeve pipe one end extends and is connected with a pivoted pole, this needle guard spare by this pivoted pole by this fixedly colluding of pivot portion mouthful be pressed in this recessed hook part, and be that the axle center connects end to pin and rotates with this pivoted pole; This syringe needle is inserted in this inside pipe casing by this cover needle tray, and utilizes the stop section of this syringe needle section to prevent that this syringe needle from being deviate from outside this sleeve pipe by this cover needle tray.

Described solid needle tubing more includes one and grips piece, and this grips piece and has a taper body, for gripping use.

Described needle tubing section width correspondence is wide greater than this syringe needle footpath.

Described stop section by this syringe needle section wherein a skew back yearn for opposite side near.

Described pivoted pole two ends are extended a connection part respectively and are connected on this sleeve pipe to depart from this sleeve pipe longitudinal center mode.

Described syringe needle and this cover needle tray are positioned on the same vertical plane.

The described external diameter that colludes the opening size of mouth less than this pivoted pole.

Be arranged with a tab member on the described solid needle tubing, this tab member is provided with at least one fin, and with a quill solid block, this quill solid block is used for this solid needle tubing and worn and closely be fixed on this tab member.

Described tab member adopts a soft materials molding.

Described syringe needle with should solid needle tubing be same direction and slightly in vertical direction wherein a kind of mutually.

The invention has the beneficial effects as follows, the patient that it needing for a long time to be more suitable for injection for curing, make sufferer more comfortable in therapeutic process, meet hommization; Simultaneously; Be beneficial to fixedly butterfly pin syringe needle and prevent that butterfly pin syringe needle from being deviate from by butterfly pin group once again of rapid fit; More can avoid syringe needle to expose the medical worker that causes and pollute, and used syringe needle is hidden and to be fixed in butterfly pin group inside and can't to take out, used once again stopping because of pinprick.

The specific embodiment that this utility model adopted will and attach by following embodiment and be graphic and be further described.

Description of drawings

Fig. 1 is this utility model first embodiment axonometric chart;

Fig. 2 is this utility model first embodiment exploded perspective sketch map;

Fig. 3 is this utility model first embodiment side-looking generalized section;

Fig. 4 is this utility model first embodiment side-looking section map;

Fig. 5 is this utility model first embodiment front-view schematic diagram;

Fig. 6 is that this utility model first embodiment fit uses sketch map;

Fig. 7 A, Fig. 7 B are the user mode sketch map of needle guard spare and pricker among this utility model first embodiment;

Fig. 8, Fig. 9 are the actual user mode sketch map of this utility model first embodiment;

Figure 10 is actual another view of use of this utility model first embodiment;

Figure 11 is this utility model second embodiment front-view schematic diagram;

Figure 12 is this utility model the 3rd embodiment schematic perspective view;

Figure 13,14 is the actual user mode sketch map of this utility model the 4th embodiment.

The specific embodiment

Please consult Fig. 1, Fig. 2 simultaneously, be this utility model first embodiment axonometric chart and exploded perspective sketch map, include a butterfly pin spare 10, a needle guard spare 20 and a tab member 30 shown in butterfly pin group 100 as the figure.

Butterfly pin spare 10 has a solid needle tubing 11, is provided with a syringe needle 12 Gu needle tubing 11 connects end 111 in its pin, be connected with an infusion connection tube 13 in its transfusion end 112, and solid needle tubing 11 is provided with a tab member 30 in the needle tubing nested domain of extending toward transfusion end 112.Syringe needle 12 slightly is vertical with solid needle tubing 11 in first embodiment.

Tab member 30 respectively is extended with a fin 311,312 toward both sides; And be provided with a quill solid block 32 in two side tabs, 311,312 centre; Fasten on this tab member 30 for solid needle tubing 11, and after passing quill solid block 32, connect an infusion connection tube 13 again with its transfusion end 112.

In this utility model design; Fin and needle tubing based on existing butterfly pin group are formed in one, and the needle tubing tradition all uses rigid material molding, cause with needle tubing on integrated fin too hard because of its material; Cause and let patient its chest site of puncture under long-time the use quite feel uncomfortable in use; This utility model is for improving this shortcoming, and special tab member 30 with butterfly pin group 100 was opened molding in 11 minutes with solid needle tubing, made tab member 30 can select the soft materials molding separately for use; It not only can improve the sense of discomfort in patient's use; Make the patient can more comfortable, hommization under long-time use, and medical personnel are more prone to when operation tab member 30 is fixed in the patient site of puncture, this be one of this utility model one characteristic.

Shown in ginseng Fig. 3; Gu needle tubing 11 other needle tubings are provided with one and grip fixedly pivot portion 15 of piece 14 and; Grip piece 14 and have a taper body; And fixedly pivot portion 15 is provided with a recessed hook part 151 in its body, and recessed hook part 151 is for always fastening the groove structure of deciding pivot portion 15 both sides and having a downward opening mouth 152 that colludes.

Needle guard spare 20 has the sleeve pipe 21 of a hollow; Sleeve pipe 21 is provided with a cover needle tray 22; Cover needle tray 22 be one vertically run through sleeve pipe 21 split the groove structure, and cover needle tray 22 includes a needle tubing section 221 and a syringe needle section 222, wherein needle tubing section 221 width correspondences are directly wide greater than syringe needle 12; The notch direction of cover needle tray 22 use to close fasten be can with syringe needle 12 fit and block and end mutually, after will being specified in.

Cover needle tray 22 is provided with two stop sections 231,232 in its syringe needle section 222; Stop section 231,232 in the present embodiment is shown in Fig. 1, Fig. 2, Fig. 4, Fig. 5; Each is respectively from wherein skew back yearning opposite side extension of syringe needle section 222, and block is in syringe needle section 222 places of cover needle tray 22.Sleeve pipe 21 is provided with in an end opening place and extends teat 24, and another open end extension is connected with a pivoted pole 25, colludes the external diameter of the opening size of mouth 152 less than pivoted pole 25.

Pivoted pole 25 two ends are extended a connection part 251,252 respectively and are connected in needle tubing section 221 terminal both sides to depart from sleeve pipe 21 longitudinal center's modes; Make sleeve pipe 21 pivot centers be higher than pivoted pole 25, comparatively laborsaving and following the pivot reached easily with the installation exercise that makes things convenient for needle guard spare 20 and butterfly pin spare 10 and when making needle guard spare 20 mats extend teat 24 to exert all one's strength operation.The needle guard spare 20 of butterfly pin group 100 is by its pivoted pole 25; By solid needle tubing 11 its fixedly colluding of pivot portion 15 mouthfuls 152 be pressed in the recessed hook part 151; And shown in Fig. 3, Fig. 4, the collude mouth 152 less with A/F is pivoted on pivoted pole 25 restrictions in 151 inside, recessed hook part.

When needle guard spare 20 was pressed in the fixedly pivot portion 15 of being fixed in solid needle tubing 11 with flexible type by pivoted pole 25 after, the position of cover needle tray 22 can be positioned on the same vertical plane as shown in Fig. 5 on syringe needle 12 and the sleeve pipe 21.

The needle guard spare 20 of butterfly pin group 100 is pressed in the fixedly pivot portion 15 of being fixed in solid needle tubing 11 by pivoted pole 25 after; The sleeve pipe 21 of needle guard spare 20 can be as shown in Figure 6 to be the axle center connect end 111 to the pin of solid needle tubing 11 rotates with pivoted pole 25; Syringe needle 12 is inserted in sleeve pipe 21 inside via cover needle tray 22, and is hidden in needle guard spare 20 inside.

Shown in Fig. 7 A, Fig. 7 B; Be the user mode sketch map of needle guard spare among this utility model first embodiment with syringe needle; Sleeve pipe 21 in needle guard spare 20 connects in end 111 rotating process to the pin of solid needle tubing 11; Syringe needle 12 can be pushed the position of stop section 231,232 and corresponding cover needle tray 22 earlier and be inserted in the sleeve pipe 21; And make sleeve pipe 21 complete cover shown in Fig. 7 B be overlying on syringe needle 12 outsides, and its terminal needle points of syringe needle 12 partly are hidden in the sleeve pipe 21 because of being covered by sleeve pipe 21 complete covers, do not expose the outside.

Stop section 231,232 can the reinstatement immediately with its elastic properties of materials character after syringe needle 12 passes through, and makes needle guard spare 20 utilize stop section 231,232 blocks after the reinstatement in cover needle tray 22, is deviate from outside the sleeve pipe 21 by cover needle tray 22 to prevent syringe needle 12.

Shown in Fig. 8, Fig. 9, Figure 10; Be the actual user mode sketch map of this utility model first embodiment; Shown in figure; After the injection infusion process of sufferer is finished, butterfly pin group 100 by grip piece 14 its taper bodies outsides expand partly for medical personnel as shown in Figure 8 can thumb and middle finger grip and provide the point of application that is easy to extract whole butterfly pin group 100, take off butterfly pin group 100 in order to medical personnel on one's body by the patient; Make medical personnel grip piece 14 bodies with away from syringe needle 12 tip region, avoid having accident to stab medical personnel and cause infection in the process in improper the taking off of the application of force by what grip taper.

Moreover; Shown in figure 10; In medical personnel from the patient extract outward on one's body take off butterfly pin group 100 after, medical personnel utilize forefinger to prop up behind the extension teat 24 of sleeve pipe 21 1 ends again to lower cover sleeve pipe 21 as shown in Figure 9, making sleeve pipe 21 is that rotate in the axle center with pivoted pole 25; Seeing through cover needle tray 22 covers syringe needle 12 complete covers and is hidden in the sleeve pipe 21; And prevent that by stop section 231,232 syringe needle 12 from deviating from outside the sleeve pipe 21 once more, and being removed the chance of using once again to avoid syringe needle 12 to have, this is a big characteristic of this utility model safety butterfly needle group.

As shown in Figure 11; Be this utility model second embodiment front-view schematic diagram; Stop section 231,232 among first embodiment when reality is used, also can as shown in the butterfly pin group 100A among second embodiment as long as a stop section 232 promptly have the effect identical with first embodiment, other member of butterfly pin group 100A is all identical with first embodiment and be marked with the similar elements symbol; For for simplicity, about explanation is omitted.

As shown in Figure 12; Be this utility model the 3rd embodiment schematic perspective view; Fin 311,312 among first embodiment when reality is used, also can as shown in the butterfly pin group 100B among the 3rd embodiment as long as a fin 312 promptly have the effect identical with first embodiment, other member of butterfly pin group 100B is all identical with first embodiment and be marked with the similar elements symbol; For for simplicity, about explanation is omitted.

Shown in Figure 13, Figure 14; Be the actual user mode sketch map of this utility model the 4th embodiment; Butterfly pin spare 10 connects end 111 set syringe needles 12 when reality is used in its pin among first embodiment; Also can be shown in the butterfly pin group 100C among the 4th embodiment use with solid needle tubing 11 equidirectional syringe needle 12A with one, be pressed in the fixedly pivot portion 15 of being fixed in solid needle tubing 11 by pivoted pole 25 equally after, the sleeve pipe 21 of needle guard spare 20 can pivoted pole 25 rotates for the axle center connects end 111 to the pin of solid needle tubing 11; Syringe needle 12A is inserted in sleeve pipe 21 inside via cover needle tray 22, and is hidden in needle guard spare 20 inside.

Other member of butterfly pin group 100C is all identical with first embodiment and be marked with the similar elements symbol, for for simplicity, about explanation is omitted, and has the effect identical with first embodiment.

The above is merely the preferred embodiment of this utility model; Non-so promptly limit to the claim of this utility model; So the simple and easy modification and the equivalent structure that use this utility model description and graphic content to do such as change, and all should in like manner be contained in the claim of this utility model.

Claims

1. a safety butterfly needle group is characterized in that, this butterfly pin group comprises:

One butterfly pin spare, this butterfly pin spare have a solid needle tubing, and this solid needle tubing connects end in its pin and is provided with a syringe needle, and are provided with a fixing pivot portion in this solid needle tubing, this fixedly pivot portion be provided with a recessed hook part, this fixedly pivot portion and have the mouth of colluding is run through in this recessed hook part;

One needle guard spare; This needle guard spare has the sleeve pipe of a hollow, and this sleeve pipe is provided with a cover needle tray, and this cover needle tray has a syringe needle section; This syringe needle section is provided with at least one stop section; And this sleeve pipe one end extends and is connected with a pivoted pole, this needle guard spare by this pivoted pole by this fixedly colluding of pivot portion mouthful be pressed in this recessed hook part, and be that the axle center connects end to pin and rotates with this pivoted pole; This syringe needle is inserted in this inside pipe casing by this cover needle tray, and utilizes the stop section of this syringe needle section to prevent that this syringe needle from being deviate from outside this sleeve pipe by this cover needle tray.

2. safety butterfly needle group according to claim 1 is characterized in that: this solid needle tubing more includes one and grips piece, and this grips piece and has a taper body, for gripping use.

3. safety butterfly needle group according to claim 1 is characterized in that: this needle tubing section width correspondence is wide greater than this syringe needle footpath.

4. safety butterfly needle group according to claim 1 is characterized in that: this stop section by this syringe needle section wherein a skew back yearn for opposite side near.

5. safety butterfly needle group according to claim 1 is characterized in that: these pivoted pole two ends are extended a connection part respectively and are connected on this sleeve pipe to depart from this sleeve pipe longitudinal center mode.

6. safety butterfly needle group according to claim 1 is characterized in that: this syringe needle and this cover needle tray are positioned on the same vertical plane.

7. safety butterfly needle group according to claim 1 is characterized in that: this colludes the external diameter of the opening size of mouth less than this pivoted pole.

8. safety butterfly needle group according to claim 1 is characterized in that: be arranged with a tab member on this solid needle tubing, this tab member is provided with at least one fin, and with a quill solid block, this quill solid block is used for this solid needle tubing and worn and closely be fixed on this tab member.

9. safety butterfly needle group according to claim 8 is characterized in that: this tab member adopts a soft materials molding.

10. safety butterfly needle group according to claim 1 is characterized in that: this syringe needle with should solid needle tubing be same direction and slightly in vertical direction wherein a kind of mutually.