CN205849916U - A kind of high pressure-resistant remaining needle - Google Patents
A kind of high pressure-resistant remaining needle Download PDFInfo
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- CN205849916U CN205849916U CN201620635349.7U CN201620635349U CN205849916U CN 205849916 U CN205849916 U CN 205849916U CN 201620635349 U CN201620635349 U CN 201620635349U CN 205849916 U CN205849916 U CN 205849916U
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Abstract
本实用新型涉及一种耐高压型留置针，它包括留置针套管，留置针套管通过穿刺导向连接套连接有穿刺针，穿刺针连接有防溢塞，防溢塞中部设置有环形凹槽，防溢塞外端连接有留置针固定护套，留置针固定护套内壁设置有环形突起，防溢塞通过留置针管套座连接有穿刺针座，穿刺针座与留置针固定护套相连，穿刺针座连接有针翼，针翼设置有柔软突起，留置针固定护套通过Y型结口连接有延长管及止液夹，延长管设置有保护外壁及耐压外壁，耐压外壁外侧设置有微型防滑突起，延长管的另一端连接有输液三通管，输液三通管右部连接有肝素帽，肝素帽设置有T型穿刺帽及与T型穿刺帽相连的穿刺帽固定套，本实用新型具有耐高压效果佳、使用便捷、安全舒适的优点。
The utility model relates to a high pressure resistant indwelling needle, which comprises an indwelling needle sleeve, the indwelling needle sleeve is connected with a puncture needle through a puncture guide connecting sleeve, the puncture needle is connected with an overflow prevention plug, and the middle part of the overflow prevention plug is provided with an annular groove , the outer end of the anti-overflow plug is connected with the fixed sheath of the indwelling needle, and the inner wall of the fixed sheath of the indwelling needle is provided with an annular protrusion. The needle seat is connected with a needle wing, and the needle wing is provided with a soft protrusion. The fixed sheath of the indwelling needle is connected with an extension tube and a liquid stop clamp through a Y-shaped junction. The extension tube is provided with a protective outer wall and a pressure-resistant outer wall. Miniature non-slip protrusions, the other end of the extension tube is connected with an infusion tee tube, the right part of the infusion tee tube is connected with a heparin cap, and the heparin cap is provided with a T-shaped puncture cap and a puncture cap fixing sleeve connected with the T-shaped puncture cap. The new type has the advantages of good high pressure resistance, convenient use, safety and comfort.
Description
技术领域technical field
本实用新型属于医用微创医疗设备技术领域，具体涉及一种耐高压型留置针，特别涉及一种耐高压型留置针。The utility model belongs to the technical field of medical minimally invasive medical equipment, in particular to a high-voltage resistant indwelling needle, in particular to a high-pressure resistant indwelling needle.
背景技术Background technique
静脉留置针又称静脉套管针，使用时将导管和针芯一起穿刺入血管内，当导管全部进入血管后，回撤出针芯，仅将柔软的导管留置在血管内从而进行输液治疗,留置针的使用能减少患者因反复静脉穿刺而造成的痛苦及对打针的恐惧感，便于临床用药，急、危重患者的抢救用药，也减轻了护士的工作量，因而静脉留置针在临床广泛应用，耐压型留置针具有钢制针芯直径小、外套管柔软、壁薄、管腔大的特点，可以保证造影剂高流速、高压力进入血管内，提高了造影剂注射的成功率，具有抗高压作用，避免了增强检查中注射速率快、注射压力高所带来的符合，在CT增强检查使用中广泛使用，可以避免因高压导致留置针软管断裂情况的发生，现有的耐高压型留置针的结构中，部件的耐压结构设计效果不佳，因此，开发一种耐高压效果佳、使用便捷、安全舒适的耐高压型留置针具有十分重要的意义。Venous indwelling needle, also known as venous trocar, is used to puncture the catheter and needle core into the blood vessel together. When the catheter has completely entered the blood vessel, the needle core is withdrawn, and only the soft catheter is left in the blood vessel for infusion therapy. The use of indwelling needles can reduce patients’ pain and fear of injections caused by repeated venipuncture, facilitate clinical medication, rescue medication for acute and critical patients, and reduce the workload of nurses, so venous indwelling needles are widely used in clinical practice , the pressure-resistant indwelling needle has the characteristics of small steel needle core diameter, soft outer tube, thin wall, and large lumen, which can ensure high flow rate and high pressure of contrast medium into the blood vessel, and improve the success rate of contrast medium injection. The anti-high pressure effect avoids the coincidence caused by the fast injection rate and high injection pressure in the enhanced examination. It is widely used in the enhanced CT examination and can avoid the breakage of the indwelling needle hose caused by high pressure. The existing high-pressure-resistant In the structure of the type indwelling needle, the design effect of the pressure-resistant structure of the parts is not good. Therefore, it is of great significance to develop a high-pressure-resistant indwelling needle with good high-pressure resistance effect, convenient use, safety and comfort.
发明内容Contents of the invention
本实用新型的目的是为了克服现有技术的不足，而提供一种耐高压效果佳、使用便捷、安全舒适的耐高压型留置针。The purpose of the utility model is to overcome the deficiencies of the prior art and provide a high pressure resistant indwelling needle with good high pressure resistance effect, convenient use, safety and comfort.
本实用新型的目的是这样实现的：一种耐高压型留置针，它包括留置针套管，所述的留置针套管通过穿刺导向连接套连接有穿刺针，所述的穿刺针连接有防溢塞，所述的防溢塞中部设置有环形凹槽，防溢塞外端连接有留置针固定护套，所述的留置针固定护套内壁设置有与环形凹槽相配合的环形突起，防溢塞通过留置针管套座连接有穿刺针座，所述的穿刺针座与留置针固定护套相连，穿刺针座连接有针翼，所述的针翼设置有柔软突起，留置针固定护套中部通过Y型结口连接有延长管及与延长管相配合的止液夹，所述的延长管设置有保护外壁及与保护外壁连接的耐压外壁，所述的耐压外壁外侧设置有微型防滑突起，延长管的另一端连接有输液三通管，所述的输液三通管左部的上端连接有护帽，输液三通管右部通过固定帽连接有肝素帽，所述的肝素帽设置有T型穿刺帽及与T型穿刺帽相连的穿刺帽固定套，所述的穿刺帽通过穿刺导向管与固定帽相连，固定帽外侧与穿刺帽固定套相连。The purpose of this utility model is achieved in the following way: a high pressure resistant indwelling needle, which includes an indwelling needle sleeve, the indwelling needle sleeve is connected with a puncture needle through a puncture guide connecting sleeve, and the puncture needle is connected with an anti- The overflow plug, the middle part of the anti-overflow plug is provided with an annular groove, the outer end of the anti-overflow plug is connected with an indwelling needle fixing sheath, and the inner wall of the indwelling needle fixing sheath is provided with an annular protrusion matching the annular groove, preventing The overflow plug is connected with a puncture needle base through the indwelling needle tube socket, the puncture needle base is connected with the indwelling needle fixed sheath, the puncture needle base is connected with a needle wing, the needle wing is provided with a soft protrusion, and the indwelling needle fixes the sheath The middle part is connected with an extension tube and a liquid stop clamp matched with the extension tube through a Y-shaped joint. The extension tube is provided with a protective outer wall and a pressure-resistant outer wall connected with the protective outer wall. The outer side of the pressure-resistant outer wall is provided with a micro anti-slip protrusion, the other end of the extension tube is connected with an infusion tee, the upper end of the left part of the infusion tee is connected with a protective cap, and the right part of the infusion tee is connected with a heparin cap through a fixed cap, and the heparin cap A T-shaped puncture cap and a puncture cap fixing sleeve connected with the T-shaped puncture cap are provided. The puncture cap is connected with the fixing cap through a puncture guide tube, and the outside of the fixing cap is connected with the puncture cap fixing sleeve.
所述的柔软突起为半球体结构，数量为6—8个，且分别均匀分布。The soft protrusions are hemispherical structures, the number is 6-8, and they are evenly distributed.
所述的微型防滑突起为椭球体结构，且分别均匀分布。The miniature anti-slip protrusions are ellipsoidal structures and are uniformly distributed respectively.
所述的耐压外壁的厚度不小于保护外壁的厚度。The thickness of the pressure-resistant outer wall is not less than the thickness of the protective outer wall.
所述的穿刺导向管与固定帽上端通过通孔接通相连。The puncture guide tube is connected to the upper end of the fixing cap through a through hole.
本实用新型的有益效果：防溢塞采用环形凹槽与环形突起卡接的方式与留置针固定护套相连，这种连接稳定可靠，使防溢塞耐高压效果佳，柔软突起起到防滑的作用，使操作人员手持针翼时更加便捷，延长管采用保护外壁加耐压外壁加厚处理的结构，使延长管的耐压强度大大增加，微型防滑突起的设计便于操作人员对延长管的抓取使用，肝素帽采用倒立T型结构并与穿刺帽固定套配合相连，这样使在反复穿刺过程中肝素帽的耐压性非常强，另外，肝素帽通过穿刺导向管和固定帽相连的结构设计也使整个输液三通管的耐压效果更佳，本实用新型的结构设计可以保证在高压下注射不渗漏、不爆管，确保患者的人身安全，满足高压注射的要求，本实用新型具有耐高压效果佳、使用便捷、安全舒适的优点。Beneficial effects of the utility model: the anti-overflow plug is connected with the fixed sheath of the indwelling needle by means of a ring groove and an annular protrusion. This connection is stable and reliable, so that the anti-overflow plug has a good high-pressure resistance effect, and the soft protrusion plays an anti-skid role. The function makes it more convenient for the operator to hold the needle wing. The extension tube adopts a structure with a protective outer wall and a thickened pressure-resistant outer wall, which greatly increases the compressive strength of the extension tube. The design of the miniature anti-skid protrusion is convenient for the operator to grasp the extension tube. In use, the heparin cap adopts an inverted T-shaped structure and is connected with the puncture cap fixing sleeve, which makes the heparin cap very strong in pressure resistance during repeated punctures. In addition, the heparin cap is connected to the fixed cap through the puncture guide tube. It also makes the pressure-resistant effect of the whole infusion tee pipe better. The structural design of the utility model can ensure that the injection under high pressure does not leak or burst, ensures the personal safety of the patient, and meets the requirements of high-pressure injection. The utility model has It has the advantages of good high pressure resistance, convenient use, safety and comfort.
附图说明Description of drawings
图1是本实用新型一种耐高压型留置针的结构示意图。Fig. 1 is a schematic structural view of a high pressure resistant indwelling needle of the present invention.
图2是本实用新型一种耐高压型留置针的延长管的局部结构的局部剖视图。Fig. 2 is a partial cross-sectional view of a partial structure of an extension tube of a high pressure resistant indwelling needle of the present invention.
图3是本实用新型一种耐高压型留置针的局部结构的剖视图。Fig. 3 is a cross-sectional view of a partial structure of a high pressure resistant indwelling needle of the present invention.
图4是本实用新型一种耐高压型留置针的局部结构的肝素帽的局部剖视图。Fig. 4 is a partial cross-sectional view of a heparin cap with a partial structure of a high pressure indwelling needle of the present invention.
图中：1、留置针套管 2、穿刺导向连接套 3、穿刺针 4、防溢塞 5、环形凹槽 6、留置针固定护套 7、环形突起 8、留置针管套座 9、穿刺针座 10、针翼 11、柔软突起 12、Y型结口 13、延长管 14、保护外壁 15、耐压外壁 16、微型防滑突起 17、固定帽 18、输液三通管 19、护帽 20、肝素帽 21、穿刺帽固定套 22、穿刺导向管 23、止液夹。In the figure: 1, indwelling needle cannula 2, puncture guide connecting sleeve 3, puncture needle 4, anti-overflow plug 5, annular groove 6, indwelling needle fixing sheath 7, annular protrusion 8, indwelling needle tube sleeve 9, puncture needle Seat 10, needle wing 11, soft protrusion 12, Y-shaped junction 13, extension tube 14, protective outer wall 15, pressure-resistant outer wall 16, miniature anti-slip protrusion 17, fixed cap 18, infusion tee tube 19, protective cap 20, heparin Cap 21, puncture cap fixing sleeve 22, puncture guide tube 23, liquid stop clamp.
具体实施方式detailed description
下面结合附图对本实用新型做进一步的说明。Below in conjunction with accompanying drawing, the utility model is described further.
实施例1Example 1
如图1—图4所示，一种耐高压型留置针，它包括留置针套管1，所述的留置针套管1通过穿刺导向连接套2连接有穿刺针3，所述的穿刺针3连接有防溢塞4，所述的防溢塞4中部设置有环形凹槽5，防溢塞4外端连接有留置针固定护套6，所述的留置针固定护套6内壁设置有与环形凹槽5相配合的环形突起7，防溢塞4通过留置针管套座8连接有穿刺针座9，所述的穿刺针座9与留置针固定护套6相连，穿刺针座9连接有针翼10，所述的针翼10设置有柔软突起11，留置针固定护套6中部通过Y型结口12连接有延长管13及与延长管相配合的止液夹23，所述的延长管13设置有保护外壁14及与保护外壁14连接的耐压外壁15，所述的耐压外壁15外侧设置有微型防滑突起16，延长管13的另一端连接有输液三通管18，所述的输液三通管18左部的上端连接有护帽19，输液三通管18右部通过固定帽17连接有肝素帽20，所述的肝素帽20设置有T型穿刺帽11及与T型穿刺帽11相连的穿刺帽固定套21，所述的穿刺帽11通过穿刺导向管22与固定帽17相连，固定帽17外侧与穿刺帽固定套21相连。As shown in Figures 1 to 4, a high pressure resistant indwelling needle includes an indwelling needle sleeve 1, and the indwelling needle sleeve 1 is connected with a puncture needle 3 through a puncture guide connecting sleeve 2, and the puncture needle 3 is connected with an anti-overflow plug 4, the middle part of the anti-overflow plug 4 is provided with an annular groove 5, the outer end of the anti-overflow plug 4 is connected with an indwelling needle fixing sheath 6, and the inner wall of the indwelling needle fixing sheath 6 is provided with The annular protrusion 7 matched with the annular groove 5, the anti-overflow plug 4 is connected with the puncture needle base 9 through the indwelling needle tube sleeve 8, the puncture needle base 9 is connected with the indwelling needle fixing sheath 6, and the puncture needle base 9 is connected There is a needle wing 10, the needle wing 10 is provided with a soft protrusion 11, and the middle part of the indwelling needle fixing sheath 6 is connected with an extension tube 13 and a liquid stop clip 23 matched with the extension tube through a Y-shaped junction 12. The extension tube 13 is provided with a protective outer wall 14 and a pressure-resistant outer wall 15 connected with the protective outer wall 14. The outer side of the pressure-resistant outer wall 15 is provided with a miniature anti-skid protrusion 16, and the other end of the extension tube 13 is connected with an infusion tee tube 18. The upper end of the left part of the infusion tee tube 18 is connected with a protective cap 19, and the right part of the infusion tee tube 18 is connected with a heparin cap 20 through a fixed cap 17. The heparin cap 20 is provided with a T-shaped puncture cap 11 and a T-shaped puncture cap. Type puncture cap 11 is connected with the puncture cap fixed sleeve 21, described puncture cap 11 is connected with fixed cap 17 through puncture guide tube 22, and the outside of fixed cap 17 is connected with puncture cap fixed sleeve 21.
防溢塞采用环形凹槽与环形突起卡接的方式与留置针固定护套相连，这种连接稳定可靠，使防溢塞耐高压效果佳，柔软突起起到防滑的作用，使操作人员手持针翼时更加便捷，延长管采用保护外壁加耐压外壁加厚处理的结构，使延长管的耐压强度大大增加，微型防滑突起的设计便于操作人员对延长管的抓取使用，肝素帽采用倒立T型结构并与穿刺帽固定套配合相连，这样使在反复穿刺过程中肝素帽的耐压性非常强，另外，肝素帽通过穿刺导向管和固定帽相连的结构设计也使整个输液三通管的耐压效果更佳，本实用新型的结构设计可以保证在高压下注射不渗漏、不爆管，确保患者的人身安全，满足高压注射的要求，本实用新型具有耐高压效果佳、使用便捷、安全舒适的优点。The anti-overflow plug is connected to the fixed sheath of the indwelling needle by means of a ring groove and a ring-shaped protrusion. This connection is stable and reliable, so that the anti-overflow plug has good high-pressure resistance, and the soft protrusion plays an anti-skid role, allowing the operator to hold the needle The wing is more convenient. The extension tube adopts the structure of protecting the outer wall and thickening the pressure-resistant outer wall, which greatly increases the compressive strength of the extension tube. The design of the miniature anti-skid protrusion is convenient for the operator to grasp and use the extension tube. The heparin cap is inverted. The T-shaped structure is connected with the puncture cap fixing sleeve, so that the pressure resistance of the heparin cap is very strong during repeated punctures. In addition, the structural design of the heparin cap connected to the fixed cap through the puncture guide tube also makes the entire infusion tee tube The pressure resistance effect of the utility model is better. The structural design of the utility model can ensure that the injection does not leak or explode under high pressure, so as to ensure the personal safety of the patient and meet the requirements of high pressure injection. The utility model has the advantages of good high pressure resistance effect and convenient use. , Safety and comfort advantages.
实施例2Example 2
如图1—图4所示，一种耐高压型留置针，它包括留置针套管1，所述的留置针套管1通过穿刺导向连接套2连接有穿刺针3，所述的穿刺针3连接有防溢塞4，所述的防溢塞4中部设置有环形凹槽5，防溢塞4外端连接有留置针固定护套6，所述的留置针固定护套6内壁设置有与环形凹槽5相配合的环形突起7，防溢塞4通过留置针管套座8连接有穿刺针座9，所述的穿刺针座9与留置针固定护套6相连，穿刺针座9连接有针翼10，所述的针翼10设置有柔软突起11，留置针固定护套6中部通过Y型结口12连接有延长管13及与延长管相配合的止液夹23，所述的延长管13设置有保护外壁14及与保护外壁14连接的耐压外壁15，所述的耐压外壁15外侧设置有微型防滑突起16，延长管13的另一端连接有输液三通管18，所述的输液三通管18左部的上端连接有护帽19，输液三通管18右部通过固定帽17连接有肝素帽20，所述的肝素帽20设置有T型穿刺帽11及与T型穿刺帽11相连的穿刺帽固定套21，所述的穿刺帽11通过穿刺导向管22与固定帽17相连，固定帽17外侧与穿刺帽固定套21相连，所述的柔软突起11为半球体结构，数量为6—8个，且分别均匀分布，所述的微型防滑突起16为椭球体结构，且分别均匀分布，所述的耐压外壁15的厚度不小于保护外壁14的厚度，所述的穿刺导向管22与固定帽17上端通过通孔接通相连。As shown in Figures 1 to 4, a high pressure resistant indwelling needle includes an indwelling needle sleeve 1, and the indwelling needle sleeve 1 is connected with a puncture needle 3 through a puncture guide connecting sleeve 2, and the puncture needle 3 is connected with an anti-overflow plug 4, the middle part of the anti-overflow plug 4 is provided with an annular groove 5, the outer end of the anti-overflow plug 4 is connected with an indwelling needle fixing sheath 6, and the inner wall of the indwelling needle fixing sheath 6 is provided with The annular protrusion 7 matched with the annular groove 5, the anti-overflow plug 4 is connected with the puncture needle base 9 through the indwelling needle tube sleeve 8, the puncture needle base 9 is connected with the indwelling needle fixing sheath 6, and the puncture needle base 9 is connected There is a needle wing 10, the needle wing 10 is provided with a soft protrusion 11, and the middle part of the indwelling needle fixing sheath 6 is connected with an extension tube 13 and a liquid stop clip 23 matched with the extension tube through a Y-shaped junction 12. The extension tube 13 is provided with a protective outer wall 14 and a pressure-resistant outer wall 15 connected to the protective outer wall 14. The outer side of the pressure-resistant outer wall 15 is provided with a miniature anti-slip protrusion 16, and the other end of the extension tube 13 is connected with an infusion tee tube 18. The upper end of the left part of the infusion tee tube 18 is connected with a protective cap 19, and the right part of the infusion tee tube 18 is connected with a heparin cap 20 through a fixed cap 17. The heparin cap 20 is provided with a T-shaped puncture cap 11 and a T-shaped puncture cap. The puncture cap fixing sleeve 21 connected with the puncture cap 11, the puncture cap 11 is connected with the fixed cap 17 through the puncture guide tube 22, the outside of the fixed cap 17 is connected with the puncture cap fixing sleeve 21, and the soft protrusion 11 is a hemisphere structure, the number is 6-8, and they are uniformly distributed respectively; the micro-anti-slip protrusions 16 are ellipsoid structures, and they are uniformly distributed respectively; the thickness of the pressure-resistant outer wall 15 is not less than the thickness of the protective outer wall 14; The puncture guide tube 22 is connected to the upper end of the fixed cap 17 through a through hole.
防溢塞采用环形凹槽与环形突起卡接的方式与留置针固定护套相连，这种连接稳定可靠，使防溢塞耐高压效果佳，柔软突起起到防滑的作用，使操作人员手持针翼时更加便捷，延长管采用保护外壁加耐压外壁加厚处理的结构，使延长管的耐压强度大大增加，微型防滑突起的设计便于操作人员对延长管的抓取使用，肝素帽采用倒立T型结构并与穿刺帽固定套配合相连，这样使在反复穿刺过程中肝素帽的耐压性非常强，另外，肝素帽通过穿刺导向管和固定帽相连的结构设计也使整个输液三通管的耐压效果更佳，本实用新型的结构设计可以保证在高压下注射不渗漏、不爆管，确保患者的人身安全，满足高压注射的要求，本实用新型具有耐高压效果佳、使用便捷、安全舒适的优点。The anti-overflow plug is connected to the fixed sheath of the indwelling needle by means of a ring groove and a ring-shaped protrusion. This connection is stable and reliable, so that the anti-overflow plug has good high-pressure resistance, and the soft protrusion plays an anti-skid role, allowing the operator to hold the needle The wing is more convenient. The extension tube adopts the structure of protecting the outer wall and thickening the pressure-resistant outer wall, which greatly increases the compressive strength of the extension tube. The design of the miniature anti-skid protrusion is convenient for the operator to grasp and use the extension tube. The heparin cap is inverted. The T-shaped structure is connected with the puncture cap fixing sleeve, so that the pressure resistance of the heparin cap is very strong during repeated punctures. In addition, the structural design of the heparin cap connected to the fixed cap through the puncture guide tube also makes the entire infusion tee tube The pressure resistance effect of the utility model is better. The structural design of the utility model can ensure that the injection does not leak or explode under high pressure, so as to ensure the personal safety of the patient and meet the requirements of high pressure injection. The utility model has the advantages of good high pressure resistance effect and convenient use. , Safety and comfort advantages.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620635349.7U CN205849916U (en) | 2016-06-24 | 2016-06-24 | A kind of high pressure-resistant remaining needle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963458A (en) * | 2017-04-28 | 2017-07-21 | 边步荣 | A kind of positioning remaining needle and its anesthesia for continuous peripheral blockade |
| CN107320813A (en) * | 2017-08-11 | 2017-11-07 | 湖南平安医械科技有限公司 | A kind of high pressure resistant remaining needle |
| CN109908431A (en) * | 2019-04-08 | 2019-06-21 | 深圳安特医疗股份有限公司 | Remaining needle and infusion device |
-
2016
- 2016-06-24 CN CN201620635349.7U patent/CN205849916U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963458A (en) * | 2017-04-28 | 2017-07-21 | 边步荣 | A kind of positioning remaining needle and its anesthesia for continuous peripheral blockade |
| CN107320813A (en) * | 2017-08-11 | 2017-11-07 | 湖南平安医械科技有限公司 | A kind of high pressure resistant remaining needle |
| CN109908431A (en) * | 2019-04-08 | 2019-06-21 | 深圳安特医疗股份有限公司 | Remaining needle and infusion device |
| CN109908431B (en) * | 2019-04-08 | 2024-08-16 | 深圳安特医疗股份有限公司 | Indwelling needle and infusion device |
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