JPS61500889A - Syringe needle sheaths and prevention pieces - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] name of invention Improved needle sheath and prevention piece technical field The present invention is a syringe commonly used for administering injections, such as a 1C elbow needle, into a sheath circle. Re-insertion needle (regarding the prevention piece that prevents the needle from being accidentally inserted into the user's finger) Ru.

Background technology Syringes have many uses in medicine and related arts.

The injection is the suction of blood from the patient by puncturing a blood vessel (dish f lubrication). Used for n21. This procedure involves passing a sharp CF2 needle through the patient's skin to remove the needle. Insert it into the circle, 8: Blank the signal! ! : Due to the meiji caused by paroxysm. Using this injection device, insert the needle No. 7 and remove the second liquid. For example, a potter is used to inject It takes a while to give medicine to Shiden. Fill this top syringe at 2-x. (Insert the Juntai maj into the muscle group of the right side and blank this muscle group i circle with two needles on the t instep.) Push it in with the arrow.

Syringe, medical field, general science, veterinary medicine, biology Takenai and medical technology helmet good luck There are many other uses in the field.

ε elbow tool for inkstone V2, use, punish the needle when you don't mourn = 11 in your kindness ing. Niko with the needle of Ne 3 Chou 2: Woo? Shao, 50 holes and 1.0 holes! of It has a male outer diameter. After the syringe user uses the syringe: Then, the needle pierces the syringe again. It is completely normal for the needle to be accidentally inserted into the finger when attempting to insert the sac. ;, that's what's happening right now. In other words, I panicked when trying to reinsert the needle into the sheath. carelessness, etc.;'Thus, when reinserting the needle into the needle sheath, the user must The needle may be inserted incorrectly into the fingers of the hand, the inside of the hand, or other parts of the body.

The problem with untimely insertion is that the pain during construction is not limited to one time. Many In many cases, syringes are used to treat sick patients or animals. Ru. These people and animals are very often infected with contagious diseases. difference Intellectual signals are highly effective drugs or veterinary medicine JP! toxic to humans in the field of il+ research It is often difficult to administer certain drugs. Inadvertent insertion of the needle should not be done in these cases. It poses a danger to the user.

When considering the field of disposable medical equipment, the main factor is the packaging of the product. transportation and storage Disposable products such as hypodermic needles and sheaths are traditionally It is housed in a rather small container. Therefore, when making medical products that can be disposed of, It is extremely important to take care to ensure tight packaging.

In other words, the syringe user's finger may be damaged when trying to re-sheath the used needle. A means of protection is necessary to prevent accidental insertion of the needle. be. In order to protect the user's fingers as much as possible, the space required for packaging is minimized. I have to try to make it smaller. Currently, there are no methods or devices that meet these needs. It's a place (・.

Summary of the invention The present invention provides a novel and unique syringe needle that protects the user's fingers from accidental needle insertion. In a preferred embodiment, the diameter of the needle is enlarged at the open end of the needle sheath. Electrify the prevention piece twice. This prevention piece is designed to guide the needle into the sheath body. (It has a trapezoidal inner surface.The present invention 11 also provides three economical packaging methods for this protective piece. It is something. In a preferred embodiment, the preventive piece is attached to the end of the syringe and is inserted into the syringe. It is installed. Attach the needle to the syringe (transfer to the open end of the sheath when do.

Brief description of the drawing The invention and its advantages will be explained in more detail with reference to the accompanying drawings.

FIG. 1 is a side view of the f-, Q-needle, sheath, and syringe.

Figure 2 shows an ordinary double needle, each sheath and part 1 of the injector, side n7I.

Figure 3 is a one-page view of the double piece of Figure 2 and each of the 1,000 pieces.

FIG. 4 is a side view of one embodiment of the needle retainer of the present invention for use with needles.

Figure 5: i is a view of the end of the needle holder in Figure 4;

Section 6 = Invention: FIG. 6 is a perspective view of a new single-needle cap with a tight seal.

Figure 7 is the 7th development side of the new sheath used for double needles! It is a diagram.

Figures 8a, 8b and 3c each illustrate the present invention for use in a single needle system. FIG. 3 is a side view showing a part of the displaceable prevention member with a cutaway.

Figures 9a and 9b show a freely displaceable prevention part for use in a double needle system, respectively. This is a side view with a part of it cut away.

Fig. 10a and Fig. 1 (1) This is a side view showing a part of the mold with a cutaway.

detailed description Figure 1 shows a conventional single needle, chisel and syringe to illustrate the conventional single needle system. It is. The syringe 1o has a tapered tip 12 with a smooth tip 19 outer surface. It is equipped with The needle 14 is attached to the base 16. Sa JF18, Engineering, Saya 18 The needle 14 and the base 16 are securely but removably attached to the base. 16 (shown in conjunction with the syringe tip 12). The right side of the widened end with the dimensions determined without changing the taper so that 4 connections can be made through the obi thin layer = 20 It is equipped with

Using the syringe, the user first connects the tip 312 to the base 16 via the syringe. Insert the needle 14 into the syringe 1o. Next, the relationship between Saya 18 and 116 will be explained. By removing the needle 14, the needle 14 is exposed for use. User ゛1, Saya 1 after use 8 along the needle 14 so that the needle 14 is placed in the sheath 18 again. do. To perform this operation, the user must insert the JP18D end O, for example 0.5o. The end of the needle 14 must be associated with n relatively small diameter holes.

FIGS. 2 and 3 show a double needle and a groove system. The double needle system illustrated is Chthon-Dinokinno-Ko/Do Campani (:1acton-Dlksr - made by Soa & Co,) and the product name is VACUTAI It is commercially available as NER). The double needle system has a tip of 34. I cut the female thread 32. It is equipped with a specially made syringe 30. By needle and sheath combination 35jz, piece of paper 42 It has a length 1P38 and a short length JP40 which are sealed and attached to each other.

Prior to use, the short length P40 is rubbed with the end 50 of the long sheath 38. The short needle 52 and external thread 54 are exposed by disengaging. Onee The same 54 is attached to the female thread 32 of the injection point a134 in a serrated manner.

User: Ienaga (Sa) Grasp JP38 and connect each screw 54.32 to combine the needles. 36 to the syringe 3o securely. Next, use the long IP38 syringe 30 # 11 from the frictional association with the base 56 of the long needle 58 prior to . messenger After use, the user places the long needle 58 back into the long sheath 38 and disposes of the syringe 30. Get ready: Don't get ready. Normally, in a single needle base, the long needle 58 is long. It must be inserted into the comparatively 4-5 diameter hole at the end of the 38.

FIG. 4 shows an embodiment of the invention adapted for use in a ridge-needle base. JP70 is long and narrow. One end of the hollow sheath main body 72 and the K-saya main body 70 so as to seal the hollow sheath main body 72. Second place! an enlarged diameter end tube 74 and an enlarged diameter prevention piece 76. The upper piece 76 is located in the MiA portion of the sheath body γ2 on the opposite side from the end wall 74. . The protective piece 76 has an outer diameter substantially larger than the hole diameter of the sheath body 72. For example, in this example, 0. Ez; +++ 2.0 to compensate for this compared to the tsusa and body hole It is equipped with a crn prevention part.

In a further preferred embodiment, the prevention piece 76 has a tapered tipped inner surface 78. Get it. Needle and base combination 80 is shown partially within sheath 70.

4 and 5 show a prevention piece 76 having a hexagonal width "@ff1k.6 The square outer surface helps prevent the P70 from rolling when placed on a horizontal surface. Two. However, the prevention piece 76 can have a polygonal cross section with any number of sides 6 It is not limited to a rectangular shape.

FIG. 6 shows a preferred form of packaging for the single-needle base embodiment of the invention described above. needle and sheath combination 9° with a single needle (not shown). Needle and sheath set The combination 9o may, for example, be provided with an enlarged diameter blocking piece 92 with a circular cross section. Ru. The open end of the prevention piece 92 is covered by a sealing piece 94 . The sealing piece 94 is pressure ``It can be made from any number of sheets of paper foil or plastic material.

Before using the enclosed needle, remove the sealing piece 94 from the sheath assembly 90. A sea urchin tongue-like piece 96 is provided. Alternatively, use the tip of the syringe to puncture the sealing piece 94 and insert the needle. Perforations 98 are provided to facilitate attachment.

FIG. 7 shows an example of an embodiment of the present invention used in a double needle system. double needle combination 110 is the same as shown in FIG. 3 and includes a short needle 112 and a long needle 114. Ete~・ru. The short (sample) JP116 includes a short hem body 118 and an end pipe 119. ing. The prevention piece 120 is enlarged compared to the hole in the short sheath body 118. long The sheath P 122 is similarly constructed and includes a long sheath body 124, an end wall 126, and a prevention portion. A piece 128 is provided. Break @t (As shown, the prevention piece 128 is circular (・trapezoidal) A coated inner surface 130 is provided. The prevention piece 120 with a shortness of JP116 has a similar shape. It is completed. The outer surface 138 of the short sheath 116 and the inner surface 140 of the long sheath 122. is dimensioned so that the two sizes JP122.116 are related through 9% .

Prior to use, the short length JpH6 and the length P122 are the two lengths shown in FIG. By the sealed paper pieces 132 printed as shown in approximately equal parts between v38.40 They are joined together. Sawtooth shapes that interlock with each other so as to prevent the sealing paper piece 32 from breaking. Edges 134, 136 are provided. The printed sealing paper piece 132 consists of two parts. The print connects each pod 116.122 again, precisely or tightly at the joints. Since it is difficult to combine, it is indicated by congratulations that the double needle, which is stored in the sheath again, is used. can. Each serrated edge 134 , 136 is optional and is attached to the sealing paper strip 132 . Throw it to make it easier to break.

Figures 8a, 8b and 8c illustrate the single needle base 5 and the removable prevention piece. It is. The needle and sheath are normally packaged separately from the syringe. Remove the prevention piece -1 In use of each of the above embodiments of the present invention permanently fixed to the main body, As the diameter of the prevention piece is increased, mounting problems arise. Main features of prevention piece One is that the protective piece is substantially larger than the sheath body and protects the user's fingers. be. Also, syringes are usually much thicker than their corresponding needles and sheaths.

The present invention eliminates potential packaging problems caused by the use of fixed prevention pieces. Another embodiment of the invention is to transfer the syringe end to the sheath body before re-sheathing the needle. Equipped with a prevention piece that can be used. As shown in Figure 8a, an ordinary needle and a The combination is , a sa-IP 150, a needle base 152, and a needle within the sheath (not shown). . Syringe 154 includes a tip 156 sized relative to base 132 .

A prevention piece body 158 is removably attached to the end of the syringe 154. . The prevention piece 1 body 158 has a syringe end 160 and a needle end 162. syringe end Part 16 Old: Much larger than the needle end 162 (Dimensions and re-shape the needle J This is to protect the user's fingers when storing the PK. The syringe inference 160 is A lip 164 is sized to correspond to the rib 168 of the syringe 154.

When the base 152 is associated with the syringe tip 156 as shown in Figure 8'O, the prevention The needle end 162 of the body piece 158 becomes associated with the Piso. This is lip-like This is done by the association between the portion 170 and the rib 172 of the sill 150. The lip mentioned above The mounting method of the ribs and ribs is merely an example, and any method may be used without departing from the scope of the present invention. It is obvious that we can use the ``L-f method'' for the number of .

As shown in FIG. 8C, the prevention part body 158 is transferred to the sheath 150 in this manner. This is done when the needle and syringe attached in this manner are removed from the JP, 150. Prevention The force of the syringe 1 iris b of the stop part key body 158 is the force of the stop part key body 158's sheath end part. The biting force is weaker than the one lip 16 when separating the syringe 154 and the JPiso. 4 releases rib 168 but leaves lip 170 and rib 172 solidified. Ru. After using the syringe and needle, the user can re-sheath the backing needle. Ru. In this way, the damage prevention part body 158 attached to the sheath 150 is used! F's finger protect against accidental insertion.

The embodiment of the present invention similar to that described above is shown in FIGS. 9a and 9b. It is. This embodiment) is suitable for a double needle system. Before use, remove the prevention piece body. 180 is removably attached to syringe 182 by lip 184 and rib 188. Follow me. After removing the short needle (not shown) and exposing the short needle 190, remove the needle and The elongated force combination 192 is ready to be associated with the syringe 182.

When the double needle thread 194 is associated with the syringe end thread 196, each preventer The friction f198.200 of the piece body 180 and the long fin 202 are related to each other. 9th As shown in Figure b, if the syringe and double needle attached in this way are pulled out, the protective The stop piece 180 remains attached to the long sheath 202. The lip 184 and lip The gripping force of the tab 188 is weaker than the gripping force of the friction surface 198.200.

Yet another variation of the invention is illustrated in Figures 10a and 10b. Figure 9a and the embodiment shown in FIG. 5, the prevention piece main body 210 and the length P212 are assembled with each other. Internal threads 214 and 216 are provided. Each screw 214, 216 has a syringe 2 22 and double needle 224 have the same threads as each screw 218, 220. Prevention part piece Body 210 is removably attached to syringe 222 by lip 226 and ribs 228. Installed. As shown in FIG. 10b, the prevention piece body 210, two, double needles 224 And screwing in the syringe 222 -! At the same time as the % connection, the length is screwed into the sheath 212. let In particular, it is desirable to install the prevention part Gin body and length more securely. 10a and 101) than the embodiment shown in FIGS. 9a and 9b. It is better to use the variant shown in

Although some embodiments of the present invention have been described in detail, the present invention still embodies the spirit thereof. Of course, it is possible to perform various changes and transformations without deviation.

Tokuen Showa 61-500889 (5) Procedural amendment (formality) %formula% 3. Person making the amendment: Relationship to the case: Patent applicant Samna, Walter, The Second de 4. Manager Tameike Tokyu Building, 1-14 Akasaka, Minato-ku, Tokyo, Tel: 584- 0782 5. Date of amendment order: January 30, 1985 (shipped on February 4, 1986) 6. Subject of correction 1. Document pursuant to the provisions of Article 184-5, Paragraph 1 of the Patent Act (name of the invention) 3. Power of attorney and its translation

Claims (10)

[Claims] 1. A slender hollow pod body and a pod located at one end of the pod body that tightly connects the pod body. a sealing end wall, and a wall located at the other end of the sheath body and having a larger dimension than the sheath body. A protective piece designed by law to protect a syringe user's fingers from insertion of a syringe needle. Containing needle sheath. 2. Claims: The prevention piece has a tapered inner surface for guiding the needle into the sheath body. The pod described in paragraph 1. 3. 3. The sheath according to claim 2, wherein the inner surface of the prevention member is trapezoidal. 4. The cross section of the outer surface of the prevention part is polygonal to prevent the sheath from transmitting on a horizontal plane. The pods described in item 1 of the scope of demand. 5. The prevention piece is provided with a removable sealing piece for sealing the pod, and this sealing piece A part is provided for feeding the tip of the syringe into the sheath in order to attach the needle to the tip of the syringe. A sheath according to claim 1. 6. A sewing machine in which the feeding part is formed into a sealing part and forms the entrance part to the sheath body. 6. A sheath according to claim 5, which is constituted by eyes. 7. A second sheath that can be used in a double needle system and has a cooperating end wall and a prevention piece. The main body and a mounting part for removably attaching each prevention part to each other are further provided. The pod according to claim 1. 8. Each prevention piece has a printed sealing cover and each prevention piece can be separated from each other. 8. The sheath according to claim 7, wherein the sheath can be visually indicated. 9. Holding the syringe end and the sheath end, make the syringe end larger than the sheath end. The prevention piece main body having a different size and the syringe end are removably attached to the syringe. a mounting piece that connects the sheath end to a needle sheath; The stop piece body can be removed from the syringe after being associated with the needle sheath, and Before putting the needle attached to the syringe back into the sheath, remove the main body of the preventive piece from the syringe. protects the syringe user's fingers from needle insertion, allowing transfer to said needle sheath; prevention piece. 10. Can be used with threaded double needle systems and has a sheath formed within the stopper sheath end. It is further provided with a screw with dimensions related to the screw formed in the body, which must be noted prior to use. when a threaded double needle removably attached to the syringe is linked to the syringe; 10. A prevention piece according to claim 9, which is adapted to be associated with a sheath.