JP3157011U - Rotary safety needle - Google Patents
Rotary safety needle Download PDFInfo
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- JP3157011U JP3157011U JP2009007997U JP2009007997U JP3157011U JP 3157011 U JP3157011 U JP 3157011U JP 2009007997 U JP2009007997 U JP 2009007997U JP 2009007997 U JP2009007997 U JP 2009007997U JP 3157011 U JP3157011 U JP 3157011U
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- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000008280 blood Substances 0.000 abstract description 14
- 210000004369 blood Anatomy 0.000 abstract description 14
- 238000005553 drilling Methods 0.000 abstract description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000030507 AIDS Diseases 0.000 description 1
- 208000005176 Hepatitis C Diseases 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
【課題】使用後に自動的に針先を収納し、使用後の針先と接触しない回転式安全注射針具を提供する。【解決手段】回転式安全注射針具は、前、後ソケット10,20を回転させることで、その内部の針台を後ソケット20方向へ移動させてバネを収縮させると、その前端の保護カバー32が外れ、針台上の弾性押ボタン33は、後ソケット上の押圧口23と共に掛合支持作用を構成して針台を後に固定し、スクリュー溝槽に沿ってバネ弾力を調節し、採血の深さを調整しやすい。前ソケット10前端の穿孔を使用部位に当てた後、弾性押ボタンを押して針台への制限を外すと、バネが針台を瞬時に前ソケットの穿孔方向へ弾き出し、針先を前ソケットの穿孔13から出して使用部位を刺す。更にバネが力を受けない自由状態に回復させると、針台及び針先が共に元に戻り、針先を前、後ソケット内部に収納し、使用後の針先と接触させない。【選択図】図1Provided is a rotary safety injection needle that automatically stores a needle tip after use and does not contact the needle tip after use. When a front and rear sockets 10 and 20 are rotated to move a needle base in the direction of the rear socket 20 and contract a spring, the rotary safety injection needle device has a protective cover at its front end. 32, the elastic push button 33 on the needle base constitutes a hooking support action together with the pressure port 23 on the rear socket, fixes the needle base to the rear, adjusts the spring elasticity along the screw groove tank, and collects blood. Easy to adjust the depth. After the front socket 10 is drilled at the front end of the front socket and the elastic push button is pressed to remove the restriction to the needle base, the spring instantly ejects the needle base in the direction of drilling the front socket, and the needle tip is drilled into the front socket. Get out of 13 and stab the use site. Further, when the spring is restored to a free state where no force is applied, both the needle base and the needle tip return to the original state, the needle tip is stored in the front and rear sockets, and is not brought into contact with the used needle tip. [Selection] Figure 1
Description
本考案は、安全な採血針具に関するもので、特に使用後に自動的に針先を収納し、完全に使用者の安全を護り、使用した針先と接触しない回転式安全注射針具に係わる。 The present invention relates to a safe blood sampling needle, and more particularly to a rotary safety injection needle that automatically stores the needle tip after use, completely protects the safety of the user, and does not come into contact with the used needle tip.
現在の医療検査に於いて、射出式もしくは浸入式の採血装置を使用している。例として、糖尿病患者の血糖濃度をコントロールするため、医療従事者は毎日、患者に注射して血液サンプルを採取し、次に採取した血液サンプルを試験紙上に垂らし、その試験紙を血糖測定装置の中に入れて血液サンプルの血糖濃度を読み取る。 In current medical examinations, injection-type or invasive-type blood collection devices are used. As an example, in order to control the blood glucose level of a diabetic patient, a healthcare professional injects the patient daily to collect a blood sample, and then hangs the collected blood sample on a test strip, which is then placed on the blood glucose measuring device. Put in and read blood sugar concentration of blood sample.
類似の採血装置は主に針具を患者の皮膚に刺すため、患者の血液と接触する。そのため、その針具を通して疾病(例としてAIDS、B型、C型肝炎等々20種余りに達する)に感染した後遺症は見逃すことができない。また、公知の採血針具もしくは伝統的な針具、もしくは真空採血針具等は、その使用後の汚染された針先が外に露出しているため、針が刺さって傷つけやすく、医療従事者の安全を保護できないでいる。 Similar blood collection devices contact the patient's blood primarily to pierce the needle into the patient's skin. Therefore, it is impossible to overlook the aftereffects of being infected with diseases (for example, over 20 types such as AIDS, type B, hepatitis C, etc.) through the needle tool. In addition, known blood collection needles, traditional needles, or vacuum blood collection needles are exposed to the contaminated needle tip after use, so the needle is easily pierced and damaged, and medical personnel Can not protect the safety.
解決しようとする問題点は、如何にして公知の採血針具の操作上の欠点に対し、関係する人の安全性を確保し、使用者が使用後の針先にうっかり触れてしまったり、もしくは重複して使用したりするのを防ぐかという点である。 The problem to be solved is how to ensure the safety of the person concerned for the disadvantages of operation of the known blood collection needle tool, and the user accidentally touches the needle tip after use, or It is a point of preventing duplicate use.
本考案は、前、後ソケットを回転させることで、その内部の針台を後ソケット方向へ移動させてバネを収縮させると、その前端の保護カバーが外れ、針台上の弾性押ボタンは、後ソケット上の押圧口と共に掛合支持作用を構成して針台を後に固定し、スクリュー溝槽に沿ってバネ弾力を調節し、採血の深さを調整しやすい。前ソケット前端の穿孔を使用部位に当てた後、弾性押ボタンを押して針台への制限を外すと、バネが針台を瞬時に前ソケットの穿孔方向へ弾き出し、針先を前ソケットの穿孔から出して使用部位を刺す。更にバネが力を受けない自由状態に回復させると、針台及び針先が共に元に戻り、針先を前、後ソケット内部に収納し、使用後の針先と接触させないことを最も主要な特徴とする。 In the present invention, by rotating the front and rear sockets, moving the needle base inside the socket toward the rear socket and contracting the spring, the protective cover at the front end is removed, and the elastic push button on the needle base is It is easy to adjust the depth of blood collection by configuring the hooking support action together with the pressing port on the rear socket, fixing the needle base later, adjusting the spring elasticity along the screw groove tank. After hitting the front socket's perforation at the site to be used, press the elastic pushbutton to remove the restriction to the needle base, and the spring will instantly eject the needle base toward the front socket's perforation direction, and the needle tip will be removed from the front socket's perforation. Take out and stab the site of use. Furthermore, when the spring is restored to a free state where it does not receive any force, the needle base and the needle tip both return to their original positions, and the most important thing is to store the needle tip in the front and rear sockets and not to contact the needle tip after use. Features.
本考案の回転式安全注射針具は、使用後に自動的に針先を収納し、使用後の針先と接触しないという利点がある。 The rotary safety injection needle of the present invention has the advantage that it automatically stores the needle tip after use and does not contact the needle tip after use.
本考案は使用後に自動的に針先を収納し、使用後の針先と接触しない回転式安全注射針具構造を提供することを本考案の主な目的とする。 The main object of the present invention is to provide a rotary safety needle structure that automatically stores the needle tip after use and does not contact the needle tip after use.
上述の目的のため、本考案の回転式安全注射針は、一組の相対回転する前、後ソケット内に針台及びバネを設置する。前、後ソケットが回転すると、針台が後ソケットの方向軸向に移動し、同時にバネを押して針台を後に固定する。弾性押ボタンを押して針台に対する制限を緩めると、バネが針台を瞬時に前ソケットの穿孔方向へ押し出し、針先を前ソケットの穿孔から出して使用部位を刺す。またバネが回復して力を受けない状態になると、針台及び針先を元に戻し、該針先を該一組の前、後ソケット内部に収納して使用後の針先を接触させない。 For the above purpose, the rotary safety injection needle of the present invention installs a needle base and a spring in a rear socket before a pair of relative rotations. When the front and rear sockets rotate, the needle base moves in the direction of the direction of the rear socket, and at the same time, the needle base is fixed by pushing the spring. When the elastic push button is pressed to loosen the restriction on the needle base, the spring instantly pushes the needle base in the direction of drilling the front socket, and the needle tip is pulled out from the hole in the front socket to pierce the use site. When the spring recovers and no force is applied, the needle base and the needle tip are returned to the original position, and the needle tip is housed in the front and rear sockets of the pair so that the used needle tip is not brought into contact.
針台の針先の外側を保護カバーで覆うことを本考案の次の目的とする。該保護カバーは、針台に於いて針台と相対する後ソケットの方向軸向へ移動して外れ、該保護カバーが針先に遮蔽作用を構成し、該保護カバーの存在によって使用したものか否かを即座に識別する。 The purpose of the present invention is to cover the outside of the needle tip of the needle base with a protective cover. The protective cover moves away in the direction of the direction of the rear socket facing the needle base in the needle base, and the protective cover constitutes a shielding action on the needle tip and is used due to the presence of the protective cover. Identify immediately or not.
回転式安全注射針具は使用すると自動的に針先を該一組の前、後ソケット内部の後に収納することを本考案の更に別の目的とする。該バネは、力を受けていない時には自由に伸びており、針台の凸部を軸向溝槽の予定行程で留め、前、後ソケットの回転に制限を加え、重複使用することを防止する。 Another object of the present invention is to automatically store the needle tip in front of the set and in the rear socket when the rotary safety needle tool is used. The spring is freely extended when it is not receiving force, and the convex part of the needle base is fastened with the planned stroke of the axial groove tank, restricting the rotation of the front and rear sockets to prevent repeated use. .
図1及び図2に示すとおり、本考案の回転式安全注射針具は、一組の前ソケット10及び後ソケット20、針台30、及びバネ40を含む。そのうち、 As shown in FIGS. 1 and 2, the rotary safety needle of the present invention includes a pair of front socket 10 and rear socket 20, a needle base 30, and a spring 40. Of which
該前ソケット10及び該後ソケット20は、相互に嵌合させて相対して回転する。該前ソケット10の前端は、穿孔13が設置され、そこから針先31が出る。該前、後ソケット10、20の内壁は各々少なくとも一本の相互に向き合う軸向溝槽11、21が設置され、更にそれぞれ少なくとも一スクリュー溝槽12、22が設置される。該前、後ソケット10、20のスクリュー溝槽12、22末端は、軸向溝槽11、21と接続し、更に該後ソケット20のスクリュー溝槽22と軸向溝槽21の接続箇所にはソケット壁にネジ回転して差し込む押圧口23を設置する。 The front socket 10 and the rear socket 20 are engaged with each other and rotate relative to each other. The front end of the front socket 10 is provided with a perforation 13 from which a needle tip 31 exits. The inner walls of the front and rear sockets 10 and 20 are each provided with at least one axial groove tank 11 and 21 facing each other, and at least one screw groove tank 12 and 22 respectively. The ends of the screw groove tanks 12 and 22 of the front and rear sockets 10 and 20 are connected to the axial groove tanks 11 and 21, and the screw groove tank 22 and the axial groove tank 21 of the rear socket 20 are connected to each other. A pressing port 23 is installed to be screwed into the socket wall.
該針台30は、該一組の前、後ソケット10、20内部に設置し、その前端には針先31を設置し、更に針先31外側は保護カバー32で覆う。該保護カバー32の一端は、該前ソケット10の穿孔13へ伸び、且つ該保護カバー32の前ソケット10に相対して伸びた幅は、穿孔13より大きい。該針台の外壁は弾性押ボタン33を設置して該押圧口23と共に掛合支持し、弾性押しボタン33を該後ソケット20のスクリュー溝槽22及び軸向溝槽21内に収縮させて挿入する。該針台の外壁は別に少なくとも一凸部34を設置してそれを該前ソケット10のスクリュー溝槽11を入れる。 The needle base 30 is installed inside the front and rear sockets 10 and 20 of the set, a needle tip 31 is installed at the front end, and the outside of the needle tip 31 is covered with a protective cover 32. One end of the protective cover 32 extends into the perforation 13 of the front socket 10, and the width of the protective cover 32 extending relative to the front socket 10 is larger than the perforation 13. An elastic push button 33 is installed on the outer wall of the needle base and is hooked and supported together with the push port 23, and the elastic push button 33 is inserted into the screw groove tank 22 and the axial groove tank 21 of the rear socket 20 by being contracted. . At least one convex portion 34 is separately provided on the outer wall of the needle base, and the screw groove tank 11 of the front socket 10 is inserted into the convex portion 34.
次に該バネ40は、該一組の前、後ソケット10、20内部に設置して該後ソケット20と該針台30の間に相対させ、該バネ40の両固定端はそれぞれ該後ソケット20及び該針台30と相互に固定する。力がかかっていない時、該針台30の針先31を該一組の前、後ソケット10、20内部に収納した状態である。 Next, the spring 40 is installed in the front sockets 20 and 20 in the front of the set and is opposed to the rear socket 20 and the needle base 30, and both fixed ends of the spring 40 are respectively connected to the rear socket. 20 and the needle base 30 are fixed to each other. When no force is applied, the needle tip 31 of the needle base 30 is stored in the front and rear sockets 10 and 20 in the pair.
図3に示すとおり、本考案の回転式安全注射針具は、使用する時、前、後ソケット10、20を相対して回転し、針台30の凸部34と前ソケット10のスクリュー溝槽12を相互に引き合わせると、針台30を後ソケット20の方向へ軸向に移動させ、同時にバネ40を押し、バネ40に針台30を朝向前ソケット10へ推す力を蓄えさせる。針台30は後ソケット20方向へ相対して移動すると同時に、該保護カバー32は穿孔13を通過できなくなり、自動的に外れる。 As shown in FIG. 3, the rotary safety injection needle of the present invention rotates the front and rear sockets 10 and 20 relative to each other when in use, and the convex portion 34 of the needle base 30 and the screw groove tank of the front socket 10. When the needles 12 are pulled together, the needle base 30 is moved in the axial direction toward the rear socket 20, and at the same time, the spring 40 is pushed, and the spring 40 stores the force for pushing the needle base 30 toward the morning direction front socket 10. At the same time as the needle base 30 moves relative to the rear socket 20, the protective cover 32 cannot pass through the perforations 13 and is automatically removed.
図4に示すとおり、前、後ソケット10、20が回転して該弾性押ボタン33に達し、スクリュー溝槽22と軸向溝槽21の接続箇所まで到達した時、該弾性押ボタン33は、押圧口23と共に掛合支持作用によって針台30を後に固定し、該弾性押ボタン33及び該少なくとも一凸部34を回転させて該後ソケット20及び該前ソケット10の軸向溝槽21、11と向き合わせる。 As shown in FIG. 4, when the front and rear sockets 10, 20 rotate to reach the elastic pushbutton 33 and reach the connection location between the screw groove tank 22 and the axial groove tank 21, the elastic pushbutton 33 is The needle base 30 is fixed to the rear by a hooking support action together with the pressing port 23, and the elastic push button 33 and the at least one convex portion 34 are rotated to rotate the rear socket 20 and the axial groove tanks 21 and 11 of the front socket 10. Face each other.
続いて前ソケット10の穿孔13を使用部位に合わせると、図5に示すように弾性押ボタン33を押して針台30の制限を緩め、図6に示すようにバネ40が針台30を一瞬のうちに前ソケット10の穿孔13方向へ弾き出し、針先31が前ソケット10の穿孔13から飛び出し、使用部位を刺す。バネ40が回復して力を受けない状態になると、図7に示すように針台30及び針先31を共に元に戻し、該針先31は該一組の前、後ソケット10、20内部に収納され、使用後の針先31と接触しない。 Subsequently, when the perforation 13 of the front socket 10 is adjusted to the use site, the elastic push button 33 is pushed to loosen the restriction of the needle base 30 as shown in FIG. 5, and the spring 40 causes the needle base 30 to be instantaneously moved as shown in FIG. Soon, the needle socket 31 pops out from the perforation 13 of the front socket 10 and pierces the use site. When the spring 40 recovers and no force is applied, the needle base 30 and the needle tip 31 are returned to their original positions as shown in FIG. 7, and the needle tip 31 is located inside the front and rear sockets 10 and 20. And is not in contact with the needle tip 31 after use.
他に、該前、後ソケット内の各スクリュー溝の槽間の距離を調整しても良く、回転式安全注射針具全体の弾力及び穿刺力を調整する。図8では各スクリュー溝槽12、22間の距離を大きくして前、後ソケット10、20の回転ルートを増やすことでバネ40を押したときの圧縮弾力が高まり、該針先31を使用する時に更に大きな穿刺力を備える。更に該押圧口23もまた弾力の深さを調節した螺旋状溝槽にしてもよい。図9では前、後ソケット内のスクリュー溝槽12、22のルートの長さを増やすことで、必要に応じて該弾力もしくは穿刺力の大きさを調整する。例として更に大きな弾力もしくは穿刺力が必要な場合、前、後ソケットを回転させて弾性押ボタン33を該押圧口23に沿って移動させる。 In addition, the distance between the tanks of the screw grooves in the front and rear sockets may be adjusted to adjust the elasticity and puncture force of the entire rotary safety injection needle. In FIG. 8, by increasing the distance between the screw groove tanks 12 and 22 and increasing the rotation route of the front and rear sockets 10 and 20, the compression elasticity when the spring 40 is pushed increases, and the needle tip 31 is used. Sometimes with greater puncture power. Further, the pressing port 23 may also be a spiral groove tank whose depth of elasticity is adjusted. In FIG. 9, by increasing the length of the route of the screw groove tanks 12 and 22 in the front and rear sockets, the magnitude of the elasticity or puncture force is adjusted as necessary. For example, when a larger elasticity or puncture force is required, the front and rear sockets are rotated and the elastic push button 33 is moved along the pressing opening 23.
更に、本考案の回転式安全注射針具は未使用の時、図2に示すとおり、該保護カバー32が針先31に対して遮蔽作用を構成しており、該保護カバー32によって、使用したか否かを直ぐに識別する。また針具は使用すると自動的に針先を該一組の前、後ソケット内部に収納すると、図7に示すように該バネ40は力を受けていない自由伸展状態になり、針台30の凸部34を軸向溝槽11の予定行程で留め、前、後ソケット10、20の回転を制限して重複使用するのを防止する。 Further, when the rotary safety injection needle of the present invention is not used, the protective cover 32 has a shielding action against the needle tip 31 as shown in FIG. Immediately identify whether or not. In addition, when the needle tool is automatically used, when the needle tips are housed in the front and rear sockets of the set, the spring 40 is in a free extension state not receiving force as shown in FIG. The convex part 34 is fastened by the planned stroke of the axial groove tank 11 to restrict the rotation of the front and rear sockets 10 and 20 to prevent the redundant use.
上述に示すとおり、本考案は回転式安全注射針具を提供して実用新案として申請する。本考案の技術内容及び技術特徴は、上述に示したとおりであるが、本項に習熟した者が本考案の提示に基づいて各種の本考案の創作精神から乖離しない入替修飾を行うかもしれない。そのため、本考案の保護範囲は、実施例に制限されず、各種本考案から乖離しない替換及び修飾を含み、以下の請求範囲に含むものとする。 As indicated above, the present invention provides a rotating safety needle and applies for a utility model. The technical contents and technical features of the present invention are as described above. However, those skilled in this section may make various substitution modifications that do not deviate from the creative spirit of the present invention based on the presentation of the present invention. . Therefore, the protection scope of the present invention is not limited to the embodiments, and includes various replacements and modifications that do not depart from the present invention and are included in the following claims.
10 前ソケット
11 軸向溝槽
12 スクリュー溝槽
13 穿孔
20 後ソケット
21 軸向溝槽
22 スクリュー溝槽
23 押圧口
30 針台
31 針先
32 保護カバー
33 弾性押ボタン
34 凸部
40 バネ
DESCRIPTION OF SYMBOLS 10 Front socket 11 Axial groove tank 12 Screw groove tank 13 Drilling 20 Rear socket 21 Axial groove tank 22 Screw groove tank 23 Press opening 30 Needle base 31 Needle tip 32 Protective cover 33 Elastic push button 34 Protrusion part 40 Spring
Claims (3)
相互に嵌合して共に回転し、内壁にはそれぞれ少なくとも一本の相互に向き合う軸向溝槽、及び少なくとも一スクリュー溝槽がそれぞれ設置され、スクリュー溝槽の末端は軸向溝槽と接続し、更に該後ソケットのスクリュー溝と軸向溝槽の接続箇所には筒壁を貫通した押圧口を設置する一組の前ソケット及び該後ソケットと、
該一組の前、後ソケット内部に設置し、その前端には針先を設置し、その外壁には弾性押ボタンを設置して該押圧口と共に掛合作用を構成し、スクリュー溝槽及び軸向溝槽内に収縮させて入れ、該針台の外壁には別に少なくとも一凸部供相對伸入該前ソケットのスクリュー溝槽を設置する針台と、
該一組の前、後ソケット内部に設置し、その両固定端はそれぞれ該後ソケット及び該針台と相互に固定し、力を受けていない時には該針台の針先を該一組の前、後ソケット内部に収納するバネを含むことを特徴とする回転式安全注射針具。 In rotary safety injection needles,
At least one axial groove tank and at least one screw groove tank facing each other are installed on the inner wall, and the end of the screw groove tank is connected to the axial groove tank. Furthermore, a set of front sockets and rear sockets for installing a pressing port penetrating the cylindrical wall at the connection point between the screw groove of the rear socket and the axial groove tank,
Installed in the front and rear sockets of the set, a needle tip is installed at the front end, and an elastic push button is installed on the outer wall to form a hooking action together with the pressure port. A needle pedestal in which a screw groove tub for the front socket is installed, and the outer wall of the needle pedestal is inserted into the groove wall, and at least one convex portion is provided.
It is installed inside the rear socket before and after the set, and both fixed ends thereof are mutually fixed with the rear socket and the needle base, respectively, and when no force is applied, the needle tip of the needle base is moved to the front of the set. A rotary safety needle tool including a spring accommodated in the rear socket.
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CN109199550A (en) * | 2018-10-18 | 2019-01-15 | 颜斌 | A kind of hernia minimal invasive operation needle |
CN111419396A (en) * | 2020-04-15 | 2020-07-17 | 林玮键 | Novel flushing system for transurethral ureteroscope laser lithotripsy |
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CN115350364A (en) * | 2022-08-16 | 2022-11-18 | 重庆市沙坪坝区人民医院 | Pen with concealed needle |
CN115429979A (en) * | 2022-08-10 | 2022-12-06 | 南通大学附属医院 | Insulin pen prevents acupuncture needle point |
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CN109199550A (en) * | 2018-10-18 | 2019-01-15 | 颜斌 | A kind of hernia minimal invasive operation needle |
CN109199550B (en) * | 2018-10-18 | 2023-08-18 | 颜斌 | Hernia minimally invasive surgery treatment needle |
CN111419396A (en) * | 2020-04-15 | 2020-07-17 | 林玮键 | Novel flushing system for transurethral ureteroscope laser lithotripsy |
CN113331983A (en) * | 2021-07-06 | 2021-09-03 | 崔永镇 | Animal vaccine rapid inoculator |
CN113331983B (en) * | 2021-07-06 | 2023-06-27 | 崔永镇 | Quick inoculator of animal vaccine |
WO2023001260A1 (en) * | 2021-07-23 | 2023-01-26 | 贝普医疗科技股份有限公司 | Safety anti-needling self-destruction injection needle |
CN115429979A (en) * | 2022-08-10 | 2022-12-06 | 南通大学附属医院 | Insulin pen prevents acupuncture needle point |
CN115429979B (en) * | 2022-08-10 | 2023-09-26 | 南通大学附属医院 | Insulin pen needle-prick prevention needle tip |
CN115350364A (en) * | 2022-08-16 | 2022-11-18 | 重庆市沙坪坝区人民医院 | Pen with concealed needle |
CN115350364B (en) * | 2022-08-16 | 2023-06-23 | 重庆市沙坪坝区人民医院 | Hidden needle pen |
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