TWM539354U - Retractable safety syringe with a combination of two needle seats - Google Patents
Retractable safety syringe with a combination of two needle seats Download PDFInfo
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- TWM539354U TWM539354U TW105213676U TW105213676U TWM539354U TW M539354 U TWM539354 U TW M539354U TW 105213676 U TW105213676 U TW 105213676U TW 105213676 U TW105213676 U TW 105213676U TW M539354 U TWM539354 U TW M539354U
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- needle seat
- needle
- wall
- groove
- seat
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- 238000007789 sealing Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Description
本創作係有關於一種具有雙針座結合回縮式安全注射器，尤指涉及一種回縮式安全注射器的結構。 The present invention relates to a safety syringe having a double needle hub combined with a retractable safety syringe, and more particularly to a retractable safety syringe.
目前市場上出現的回縮式安全注射器普遍存在以下幾個問題：所術的回縮式安全注射器的針座本體不堅硬，支撐力不足，易引起裝配不良，並影響使用；所述的回縮式安全注射器的針頭與針座均為黏針，遇到針頭有瑕疵就無法更換針頭，另外包裝後體型過長在運輸過程中造成諸多不便；所述的回縮式安全注射器的針座裝配在針筒上後結合不牢固，在鎖針時針座容易回縮針筒內，總之，所述的回縮式安全注射器的上述原因的存在使得所述的回縮式安全注射器組裝程序複雜，不易大量生產，不良品質率偏高，生產效率低，加工成本也高，且難以被市場接受，使市場競爭力下降。 At present, the retractable safety syringes appearing on the market generally have the following problems: the needle seat body of the retractable safety syringe is not rigid, the supporting force is insufficient, and the assembly is poor, and the use is affected; The needle and the needle seat of the safety syringe are all needles. When the needle is flawed, the needle cannot be replaced. In addition, the long shape after packaging causes a lot of inconvenience during transportation; the needle seat of the retractable safety syringe is assembled. The rear combination of the syringe is not strong, and the needle holder is easily retracted into the syringe when the needle is locked. In short, the above-mentioned reason of the retractable safety syringe makes the assembly procedure of the retractable safety syringe complicated, and is not easy to be large. Production, low quality rate, low production efficiency, high processing cost, and difficult to be accepted by the market, reducing market competitiveness.
本創作主要的目的，是要提供一種具有雙針座結合回縮式安全注射器專利申請，它不但是使用上安全可靠，而且結構合理組裝效率高。 The main purpose of this creation is to provide a patent application with a double needle seat combined with a retractable safety syringe, which is not only safe and reliable in use, but also has a reasonable structure and high assembly efficiency.
為了達到上述的目的本實用新型的解決方案是：本實用新型的回縮 式安全注射器包括有-針筒、安置在所述的針筒前端端部內的且前端部伸出所述的針筒前端端部外的針座、固定在所述的針座上的針頭、裝設在所述的針筒內的前端端部套裝有一密封圈的推桿，所述的推桿的前端端部的端面上設有一針座連接頭，所述的針筒內的前端端部壁上依次設有突起的縱向的緊固條及呈環形狀的凹槽，所述的針座由上針座和下針座所形成，所述的下針座呈圓柱形狀，所述的下針座的上端面上設有一上端槽，所述的上端槽的上端口的內壁處呈錐形狀，所述的上端槽的內底面的中部還設有一下端槽，所述的下端槽的內壁的上端部上設有一呈環狀的突緣，所述的下端槽的內壁的下端設有-密封凹槽，所述的下針座的下端面呈錐形狀，所述下針座的呈錐形狀的下端面的中央設有一與下端槽底面相通的孔，所述的下針座的外壁的下端設有一呈環狀的邊緣，所述的上針座由導液管和固定在導液管中部外壁上的針頭座所形成，所述的導液管的下端端部的外壁上設有一呈環狀的邊緣，所述的導液管的下端口呈錐形狀，所述的針頭座的內壁上設有內螺紋，所述的上針座是嵌裝在所述的下針座內，所述的上針座的導液管下端端部外壁上的呈環狀的邊緣嵌裝在所述的下針座的下端槽內壁上下端的密封凹槽內且形成密封聯接，所述的上針座的導液管的下端部與所述的下針座的下端槽內壁的上端部上的呈環狀的突緣形成配合連接，所述的上針座上的針頭座與所述的下針座上端面上的呈錐形狀的上端口的上端槽形成配合聯接，所述的由上針座與下針座所形成的針座裝置在所述的針筒的前端端部內，所術的上針座的針頭座外壁與所述的針筒前端端部內壁上的突起的縱向的緊固調緊配連接固定，所述的下針座外壁下端的 呈環狀的邊緣與所述的針筒前端端部內壁上的呈環形狀的凹槽形成嵌接固定連接，所述的針頭與針頭座內壁上的內螺紋形成螺紋連接。 In order to achieve the above object, the solution of the present invention is: the retraction of the present invention The safety syringe includes a syringe, a needle seat disposed in the front end of the barrel and having a front end extending beyond the front end of the barrel, and a needle fixed to the needle holder. a front end of the barrel is provided with a push rod of a sealing ring, and an end surface of the front end of the push rod is provided with a needle connector, and the front end wall of the syringe The upper part is provided with a protruding longitudinal fastening strip and a ring-shaped groove, the needle seat is formed by an upper needle seat and a lower needle seat, the lower needle seat has a cylindrical shape, and the lower needle The upper end surface of the seat is provided with an upper end groove, the inner wall of the upper end groove of the upper end groove has a tapered shape, and the inner bottom surface of the upper end groove is further provided with a lower end groove, and the inner wall of the lower end groove The upper end portion is provided with an annular flange, the lower end of the inner wall of the lower end groove is provided with a sealing groove, and the lower end surface of the lower needle seat has a tapered shape, and the lower needle seat is formed a center of the lower end surface of the tapered shape is provided with a hole communicating with the bottom surface of the lower end groove, and a lower end of the outer wall of the lower needle seat is provided The upper needle seat is formed by a liquid guiding tube and a needle holder fixed on the outer wall of the middle portion of the catheter tube, and the outer wall of the lower end portion of the liquid guiding tube is provided with a ring shape. The bottom port of the catheter has a tapered shape, the inner wall of the needle holder is provided with an internal thread, and the upper needle seat is embedded in the lower needle seat, An annular edge on the outer wall of the lower end of the catheter of the upper needle seat is embedded in the sealing groove at the upper and lower ends of the inner wall of the lower end of the lower needle seat and forms a sealing joint, and the upper needle seat a lower end portion of the liquid guiding tube is formed into a ring-shaped flange on an upper end portion of the inner wall of the lower end groove of the lower needle seat, and the needle seat on the upper needle seat and the lower needle seat The upper end groove of the tapered upper port on the upper end surface is cooperatively coupled, and the needle seat device formed by the upper needle seat and the lower needle seat is in the front end end of the syringe, and the upper needle is operated. The outer wall of the needle seat of the seat is fixedly coupled with the longitudinal fastening of the protrusion on the inner wall of the front end of the barrel, said lower The lower end of the outer wall of the needle seat The annular edge forms an inseam-fixing connection with the ring-shaped recess on the inner wall of the front end of the barrel, the needle being threadedly coupled to the internal thread on the inner wall of the needle hub.
由於本創作改進了現有的回縮式安全注射器，採取將本創作的回縮式安全注射器的針座分解圍上針座和下針座，所述的上針座分為上端槽與下端槽，所術的上端槽的上端口的內壁處為呈錐形狀，所述的下端槽內壁的上端部上設環狀的突緣，內壁的下端設有密封凹槽，所述的下針座的外壁的下端設有呈環狀的邊緣，所述的上針座由下端端部的外壁上設有呈環狀邊緣的導液管和固定在導液管中部外壁上的內壁設有內螺紋的針頭座所構成，所述的上針座裝配在所述的下針座上，且與所述的下針座上的結枸相配合可形成密封聯接固定，所述的上針座和下針座結合後所形成的針座本體更為堅挺，使支撐力大為提高，所述上針座上的針頭座可與針頭形成螺紋聯接，使得裝卸便利，易於更換，組合的上針作和下針座裝入所述的針筒內的前端端部後，所述的上針座與所述的針筒的前端端部內壁上突起的縱向的緊固條形成緊配連接，所述下針座外壁下端的呈環狀的邊緣與所述的針筒內的前端端部壁上的呈環形狀的凹槽形成嵌接連接固定，避免了針座產生回縮的現象。 Since the present invention improves the existing retractable safety syringe, the needle seat of the retractable safety syringe of the present invention is decomposed into a needle seat and a lower needle seat, and the upper needle seat is divided into an upper end groove and a lower end groove. The inner wall of the upper port of the upper end groove has a tapered shape, the upper end portion of the inner wall of the lower end groove is provided with an annular flange, and the lower end of the inner wall is provided with a sealing groove, the lower needle The lower end of the outer wall of the seat is provided with an annular edge, and the upper needle seat is provided with a liquid guiding tube having an annular edge on the outer wall of the lower end portion and an inner wall fixed on the outer wall of the central portion of the liquid guiding tube. The needle seat of the internal thread is configured, the upper needle seat is assembled on the lower needle seat, and cooperates with the knot on the lower needle seat to form a sealing joint, the upper needle seat The needle base body formed by the combination with the lower needle seat is more firm, so that the supporting force is greatly improved, and the needle seat on the upper needle seat can be screwed with the needle head, which is convenient for loading and unloading, easy to replace, and the combined upper needle After the lower needle hub is inserted into the front end portion of the barrel, the upper needle seat a longitudinal fastening strip protruding from an inner wall of the front end of the barrel forms a tight connection, the annular edge of the lower end of the outer wall of the lower needle seat and the front end wall of the inner cylinder The groove in the shape of a ring forms a fixed connection, which avoids the phenomenon that the needle seat is retracted.
綜上所述，本創作的具有雙針座結合回縮式安全注射器充分完善了原有存在的問題，並且使本創作的回縮式安全注射器結構合理，組裝便捷，成品率提高，生產效率上升，製造和加工成本下降，而且，使用更為安全可靠。 In summary, the creation of the double needle seat combined with the retractable safety syringe fully improved the existing problems, and made the retractable safety syringe of the present invention reasonable in structure, convenient in assembly, improved in yield, and increased in production efficiency. The manufacturing and processing costs are reduced, and the use is safer and more reliable.
1’‧‧‧回縮式安全注射器 1'‧‧‧Retractable safety syringe
1‧‧‧針筒 1‧‧‧Syringe
2‧‧‧緊固條 2‧‧‧ fastening strip
3‧‧‧凹槽 3‧‧‧ Groove
41‧‧‧上針座 41‧‧‧Upper seat
42‧‧‧下針座 42‧‧‧ Lower needle seat
51‧‧‧上端槽 51‧‧‧Upper slot
52‧‧‧下端槽 52‧‧‧lower slot
6,9‧‧‧錐形狀 6,9‧‧‧ cone shape
7‧‧‧環狀的凸緣 7‧‧‧Ring flange
8‧‧‧密封凹槽 8‧‧‧ Sealing groove
10‧‧‧孔 10‧‧‧ hole
11,14‧‧‧環狀的邊緣 11,14‧‧"ring edge
12‧‧‧導液管 12‧‧‧ catheter
13‧‧‧針頭座 13‧‧‧Needle seat
15‧‧‧內螺紋 15‧‧‧ internal thread
N‧‧‧針頭 N‧‧‧ needle
P‧‧‧往下方向 P‧‧‧down direction
P1‧‧‧針座連接頭 P1‧‧‧ needle connector
P2‧‧‧凹槽 P2‧‧‧ groove
P11‧‧‧孔洞 P11‧‧‧ hole
P12‧‧‧翼片 P12‧‧‧ wing
P3‧‧‧活塞 P3‧‧‧Piston
P4‧‧‧密封圈 P4‧‧‧ sealing ring
圖1係為本創作的具有雙針座結合回縮式安全注射器的示意圖。 Figure 1 is a schematic view of a dual needle hub combined with a retractable safety syringe of the present invention.
圖2係為本創作的具有雙針座結合回縮式安全注射器的針筒的示意圖。 2 is a schematic view of a syringe having a double needle hub combined with a retractable safety syringe.
圖3係為本創作的具有雙針座結合回縮式安全注射器的下座的示意圖。 Figure 3 is a schematic illustration of the lower seat of the present invention having a dual needle hub combined with a retractable safety syringe.
圖4係為本創作的具有雙針座結合回縮式安全注射器的上針座的示意圖。 Figure 4 is a schematic view of the upper needle hub of the present invention having a dual needle hub combined with a retractable safety syringe.
圖5係為本創作上針座、下針座、連接頭、推桿、針頭在針筒內的結合示意圖。 FIG. 5 is a schematic view showing the combination of the upper needle seat, the lower needle seat, the connecting head, the push rod and the needle in the syringe.
本創作係為一種具有雙針座結合回縮式安全注射器，參照圖1、圖2、圖3、圖4及圖5，該創作的回縮式安全注射器1’由所述針筒1、針座4、針頭N及推桿P所構成，所述的針筒1前端端部的內壁上依次設有突起的縱向的緊固條2及呈環形狀的凹槽3，所述的針座4由上針座41和下針座42所形成。 The present invention is a double needle seat combined with a retractable safety syringe. Referring to Figures 1, 2, 3, 4 and 5, the created retractable safety syringe 1' is made up of the syringe 1 and the needle. The base 4, the needle N and the push rod P are arranged, and the inner wall of the front end portion of the needle barrel 1 is sequentially provided with a protruding longitudinal fastening strip 2 and a ring-shaped recess 3, the needle seat 4 is formed by the upper needle holder 41 and the lower needle holder 42.
所述的下針座42呈圓柱形狀，所述的下針座42的上端面上設有一上端槽51，所述的上端槽51的上端口的內壁處呈錐形狀6，所述的上端槽51的內底面的中部還設有一下端槽52，所述的下端槽52的內壁的上端部上設有一呈環狀的突緣7，所述的下端槽52內壁的下端設有一密封凹槽8，所述的下針座42的下端面呈錐形狀9，所述的下針座42的呈錐形狀9的下端面中央設有一與下端槽52底面相通的孔10所述的下針座42的外壁的下端設有一呈環狀的邊緣11。 The lower needle holder 42 has a cylindrical shape, and the upper end surface of the lower needle holder 42 is provided with an upper end groove 51, and the inner wall of the upper port of the upper end groove 51 has a tapered shape 6, the upper end The lower end of the inner bottom surface of the groove 51 is further provided with a lower end groove 52. The upper end portion of the inner wall of the lower end groove 52 is provided with an annular flange 7 and a lower end of the inner wall of the lower end groove 52 is provided with a seal. a groove 8 having a lower end surface of the lower needle holder 42 having a tapered shape 9. The lower end surface of the lower needle holder 42 having a tapered shape 9 is provided with a hole 10 communicating with the bottom surface of the lower end groove 52. The lower end of the outer wall of the hub 42 is provided with an annular edge 11.
所述的上針座41由導液管12和固定在導液管12中部外壁上的針頭 座13所形成，所述的導液管12的下端端部的外壁上設有一呈環狀的邊緣14，所述的導液管12的下端口呈錐形狀，所述的針頭座13的內壁上設有內螺紋15。 The upper needle hub 41 is composed of a catheter 12 and a needle fixed to the outer wall of the central portion of the catheter 12 The seat 13 is formed, and an outer edge of the lower end of the catheter 12 is provided with an annular edge 14 . The lower port of the catheter 12 has a tapered shape, and the inside of the needle holder 13 An internal thread 15 is provided on the wall.
所述的上針座41是嵌裝在所述的下針座42內，所述的上針座41的導液管12下端端部外壁上的呈環狀的邊緣14嵌裝在所述的下針座42的下端槽52內壁上下端的密封凹槽8內且形成密封連接，所述的上針座41的導液管12的下端部與所述的下針座42的下端槽內壁的上端部上的呈環狀的突緣7形成配合連接，所述的上針座41上的針頭座13與所述的下針座42上端面上的呈錐形狀6的上端口的上端槽51形成配合連接。 The upper needle holder 41 is embedded in the lower needle holder 42. The annular edge 14 on the outer wall of the lower end end of the catheter tube 12 of the upper needle holder 41 is embedded in the a sealing connection is formed in the sealing groove 8 at the upper and lower ends of the inner wall of the lower end groove 52 of the lower needle holder 42, and the lower end portion of the liquid guiding tube 12 of the upper needle holder 41 and the inner wall of the lower end of the lower needle holder 42 The annular flange 7 on the upper end portion forms a mating connection, and the needle holder 13 on the upper needle holder 41 and the upper end groove of the upper port of the tapered shape 6 on the upper end surface of the lower needle holder 42 51 forms a mating connection.
所述的由上針座41和下針座42形成的針座裝置在所述的針筒1的前端端部內，所述的上針座41上的導液管12的前端部且伸出所述的針筒前端端部外，所述的上針座41的針頭座13外壁與所述的針筒1前端端部內壁上的突起的縱向的緊固條2緊配連接固定，所述的下針座42外壁下端的呈環狀的邊緣U與所述的針筒1前端端部內壁上的呈環形狀的凹槽3形成嵌接固定連接，所述的針頭與所述的上針座41上的針頭座13的內壁上的內螺紋15形成螺紋連接。 The needle hub device formed by the upper needle hub 41 and the lower needle hub 42 is in the front end portion of the syringe barrel 1, and the front end portion of the catheter tube 12 on the upper needle hub 41 is extended. The outer wall of the needle holder 13 of the upper needle holder 41 is tightly connected and fixed to the longitudinal fastening strip 2 of the protrusion on the inner wall of the front end of the needle barrel 1 except the front end of the barrel. The annular edge U at the lower end of the outer wall of the lower needle holder 42 is in in-seat and fixed connection with the annular groove 3 on the inner wall of the front end of the needle barrel 1, the needle and the upper needle seat The internal thread 15 on the inner wall of the needle holder 13 on 41 forms a threaded connection.
請參考圖1與圖3~5所示，其推桿P裝設在所述的針筒1內，所述的推桿P前端端部套裝有一密封圈P4連接活塞P3及連接頭P1，其中連接頭P1下部位是當處裝設孔洞P11與翼片P12係作為導液受壓的緩壓作用，能減少注射時產生疼痛及避免產生殘留物，而推桿P的前端位設兩側凹槽P2作為回縮方便折斷，如圖5所示係上針座41、下針座 42、連接頭P1、推桿P、針頭N在針筒1內，當連接推桿P的連接頭P1***下針座42的孔10內時，往下方向P’回縮其針頭N產生內縮，即為本創作無菌回縮環保的回縮式安全注射器1’產品。 Referring to FIG. 1 and FIG. 3 to FIG. 5, the push rod P is installed in the syringe 1. The front end of the push rod P is provided with a sealing ring P4 connecting the piston P3 and the connecting head P1. The lower part of the connector P1 is a cushioning function for the hole P11 and the flap P12 to be used as a liquid-conducting pressure, which can reduce the pain and avoid residue during the injection, and the front end of the push rod P is concave on both sides. The groove P2 is easily broken as a retraction, and the needle seat 41 and the lower needle seat are attached as shown in FIG. 42. The connector P1, the pusher P, and the needle N are in the syringe 1. When the connector P1 connecting the pusher P is inserted into the hole 10 of the lower hub 42, the needle N is retracted in the downward direction P'. Shrinking, that is, the creation of a sterile retractable environmentally friendly retractable safety syringe 1' product.
1’‧‧‧回縮式安全注射器 1'‧‧‧Retractable safety syringe
1‧‧‧針筒 1‧‧‧Syringe
4‧‧‧針座 4‧‧‧ needle seat
41‧‧‧上針座 41‧‧‧Upper seat
42‧‧‧下針座 42‧‧‧ Lower needle seat
P‧‧‧推桿 P‧‧‧Put
P1‧‧‧針座連接頭 P1‧‧‧ needle connector
P11‧‧‧孔洞 P11‧‧‧ hole
P12‧‧‧翼片 P12‧‧‧ wing
P2‧‧‧凹槽 P2‧‧‧ groove
P3‧‧‧活塞 P3‧‧‧Piston
N‧‧‧針頭 N‧‧‧ needle
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105213676U TWM539354U (en) | 2016-09-05 | 2016-09-05 | Retractable safety syringe with a combination of two needle seats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105213676U TWM539354U (en) | 2016-09-05 | 2016-09-05 | Retractable safety syringe with a combination of two needle seats |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM539354U true TWM539354U (en) | 2017-04-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW105213676U TWM539354U (en) | 2016-09-05 | 2016-09-05 | Retractable safety syringe with a combination of two needle seats |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWM539354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI655011B (en) * | 2016-05-18 | 2019-04-01 | 瑞士商瑞健醫療股份有限公司 | Administration mechanism for a medicament delivery device |
-
2016
- 2016-09-05 TW TW105213676U patent/TWM539354U/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI655011B (en) * | 2016-05-18 | 2019-04-01 | 瑞士商瑞健醫療股份有限公司 | Administration mechanism for a medicament delivery device |
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| MM4K | Annulment or lapse of a utility model due to non-payment of fees |