Medical connector needle body structure

Abstract

The utility model relates to the technical field of medical instrument accessories, in particular to a medical connector needle body structure. The utility model relates to an electric connector which comprises a male pin assembly and a female pin assembly, the male pin assembly comprises a male pin base, male pin conductive filaments and a guide sleeve, the female pin assembly comprises a female pin base and female pin conductive filaments, one ends of the multiple male pin conductive filaments are connected with the male pin base, and the other ends of the multiple male pin conductive filaments extend outwards along the male pin base. The guide sleeve is connected outside the male pin base and surrounds the male pin conductive filament, one ends of the plurality of female pin conductive filaments are connected with the female pin base, the other ends of the plurality of female pin conductive filaments extend outwards along the female pin base, and the plurality of male pin conductive filaments and the plurality of female pin conductive filaments are engaged and contacted. A male needle is changed into a structure composed of a plurality of conductive filaments from an original single five-needle needle, the conductive filaments are fixed through riveting, a female needle structure is also changed into a similar structure, and the male and female needle structure realizes conduction in a manner that the plurality of conductive filaments are oppositely inserted, engaged and contacted.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument accessory technical field, especially a medical connector needle body structure. BACKGROUND

[0002] Medical accessory connectors are different in shape and appearance, and the connectors are connected and conducted through internal hardware pins. Generally, the connection and conduction function is realized by designing female pin crown spring, claw spring, leaf spring and spring structure, and the male pin is in interference fit with the structure.

[0003] The existing medical accessory connector has the following shortcomings:

[0004] 1) The female pin size control requires strict measurement, and needs to be judged by testing the insertion and pulling force;

[0005] 2) The insertion and pulling force of the male and female pins requires strict control of 150-400g force, and the number of measurement needs to be controlled for the wear of the male pin;

[0006] 3) The insertion and pulling force is not easy to control, and the return and rework are frequent;

[0007] 4) The more the number of insertion and pulling, the smaller the insertion and pulling force in the later stage;

[0008] 5) The leaf spring and crown spring are complex to process. UTILITY MODEL CONTENT

[0009] The utility model provides a medical connector needle body structure, aims at solving the defects of the existing various medical accessory connectors.

[0010] The utility model provides a medical connector needle body structure, which comprises a male pin assembly and a female pin assembly, the male pin assembly comprises a male pin base, a male pin conductive filament and a guide sleeve, the female pin assembly comprises a female pin base and a female pin conductive filament, one end of the male pin conductive filament is connected to the male pin base, and the other end extends outward along the male pin base, the guide sleeve is connected to the outside of the male pin base and surrounds the male pin conductive filament, one end of the female pin conductive filament is connected to the female pin base, and the other end extends outward along the female pin base, and the male pin conductive filament and the female pin conductive filament are in occlusal contact.

[0011] As a further improvement of the utility model, the male pin base is internally provided with a male pin base cavity, one end of the male pin conductive filament is connected in the male pin base cavity, and the other end extends to the outside of the male pin base cavity; the female pin base is internally provided with a female pin base cavity, one end of the female pin conductive filament is connected in the female pin base cavity, and the other end extends to the outside of the female pin base cavity.

[0012] As a further improvement of the utility model, the guiding sleeve surrounds the part of the male needle conductive filament extending to the outside of the male needle base cavity.

[0013] As a further improvement of the utility model, the plurality of male needle conductive filaments are connected in array on the male needle base, the plurality of female needle conductive filaments are connected in array on the female needle base, and the arrayed male needle conductive filaments are inserted and occluded with the arrayed female needle conductive filaments.

[0014] As a further improvement of the utility model, the end of the male needle conductive filament and / or the female needle conductive filament is provided with a sharp head.

[0015] As a further improvement of the utility model, the inside of the end of the guiding sleeve is provided with a chamfer.

[0016] As a further improvement of the utility model, the rear end of the male needle base and the female needle base is provided with a base joint connected with a plastic part.

[0017] As a further improvement of the utility model, the male needle conductive filament is riveted in the male needle base, and the female needle conductive filament is riveted in the female needle base.

[0018] As a further improvement of the utility model, the material of the male needle base, the female needle base and the guiding sleeve is copper.

[0019] As a further improvement of the utility model, the material of the male needle conductive filament and the female needle conductive filament is beryllium copper wire plated with gold.

[0020] The utility model discloses the beneficial effects are: the male needle is changed to the structure of the structure of the multiple conductive filaments by the original single hardware needle, and the conductive filament is fixed through riveting, and the female needle structure is also changed to the similar structure, and the male female needle structure is the contact mode of the occlusion of the multiple conductive filaments, and the occlusion force of the male female needle is dispersed to the multiple conductive filaments, and the stability of the extraction force is improved by the common occlusion of the multiple conductive filaments, and more times of extraction can be satisfied. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure diagram of the male needle assembly in the utility model,

[0022] Figure 2 It is the structure sectional view of the male needle assembly in the utility model,

[0023] Figure 3 It is the overall structure diagram of the female needle assembly in the utility model,

[0024] Figure 4 It is the structure sectional view of the female needle assembly in the utility model,

[0025] Figure 5It is the structure section view of the male needle assembly and the female needle assembly of the utility model. DETAILED DESCRIPTION

[0026] In order to make the utility model's purpose, technical scheme and advantage more clearly, the following is combined with the drawing and example, and the utility model is further explained in detail.

[0027] As Figures 1 to 5 The utility model discloses a medical connector needle body structure, including male needle assembly 1 and female needle assembly 2, male needle assembly 1 includes male needle base 3, male needle conductive filament 4, guide sleeve 5, female needle assembly 2 includes female needle base 6, female needle conductive filament 7, the one end of multiple male needle conductive filament 4 is connected male needle base 3, and the other end extends along male needle base 3 outward, guide sleeve 5 is connected at the outside of male needle base 3 and surrounds male needle conductive filament 4, the one end of multiple female needle conductive filament 7 is connected female needle base 6, and the other end extends along female needle base 6 outward, multiple male needle conductive filament 4 and multiple female needle conductive filament 7 occlusal contact.

[0028] Male needle assembly 1 is changed from the original single (diameter 0.6~2.0mm) hardware needle to the structure of multiple male needle conductive filament 4 (0.1~0.2mm), and male needle conductive filament 4 is fixed on male needle base 3 by riveting pressure, and female needle assembly 2 is also changed to similar structure.Multiple male needle conductive filament 4's front end and multiple female needle conductive filament 7's front end are inserted and twisted contact, realize male needle base 3 and female needle base 6 between the conduction, male needle base 3 riveting male needle conductive filament 4 adds sleeve guide sleeve 5 as the protection and guiding effect of internal male needle conductive filament 4.

[0029] Male needle base 3 is equipped with male needle base cavity 31 inside, and the one end of multiple male needle conductive filament 4 is connected in male needle base cavity 31, and the other end extends to the outside of male needle base cavity 31;Female needle base 6 is equipped with female needle base cavity 61 inside, and the one end of multiple female needle conductive filament 7 is connected in female needle base cavity 61, and the other end extends to the outside of female needle base cavity 61.Through male needle base cavity 31, female needle base cavity 61, can partially protect male needle conductive filament 4, female needle conductive filament 7, can avoid male needle conductive filament 4, female needle conductive filament 7 completely exposed and lead to the risk of being broken easily.

[0030] Guide sleeve 5 surrounds the part of male needle conductive filament 4 extending to the outside of male needle base cavity 31.The length of guide sleeve 5 is greater than the length of male needle conductive filament 4 extending, so that male needle conductive filament 4 can be completely surrounded in guide sleeve 5 without exposure, so that guide sleeve 5 plays a protective role on male needle conductive filament 4.

[0031] The plurality of male needle conductive filaments 4 are connected in an array on the male needle base 3, the plurality of female needle conductive filaments 7 are connected in an array on the female needle base 6, the arrayed male needle conductive filaments 4 are inserted and engaged with the arrayed female needle conductive filaments 7. The arrayed arrangement can make the male needle conductive filaments 4 and the female needle conductive filaments 7 more evenly distributed on the male needle base 3 and the female needle base 6. When inserted, the female needle conductive filaments 7 are inserted into the gaps between the plurality of male needle conductive filaments 4, and the same male needle conductive filaments 4 are inserted into the gaps between the plurality of female needle conductive filaments 7. This mutual engagement structure can ensure the firmness of the connection by using the mutual friction, and the staggered insertion structure can also avoid the wear caused by the direct connection between the male needle conductive filaments 4 and the female needle conductive filaments 7.

[0032] The ends of the male needle conductive filaments 4 and / or the female needle conductive filaments 7 are provided with sharp tips 8. The ends of the male needle conductive filaments 4 and the female needle conductive filaments 7 are sharpened, so that when the needle tips of the male needle conductive filaments 4 and the female needle conductive filaments 7 come into contact, they can be smoothly inserted without obstruction.

[0033] The inside of the end of the guide sleeve 5 is provided with a chamfer 51. The chamfer 51 is designed to guide the female needle conductive filaments 7 into the inside of the guide sleeve 5, so that the female needle conductive filaments 7 can smoothly enter the guide sleeve 5 and be connected with the male needle conductive filaments 4 inside the guide sleeve 5.

[0034] The rear ends of the male needle base 3 and the female needle base 6 are provided with base joints 9 connected with plastic parts. The male needle base 3 and the female needle base 6 are injection molded with plastic parts through the base joints 9, and the plastic parts are connected with wires to transmit signals of the male needle assembly 1 and the female needle assembly 2 to corresponding medical instruments. This structure only requires the male and female needle to be in contact and conductive, and the plug-in force is designed on the connector plastic part, reducing the size design of the plug-in force of the hardware needle.

[0035] The male needle conductive filaments 4 are riveted in the male needle base 3, and the female needle conductive filaments 7 are riveted in the female needle base 6. Through the riveting method, the assembly and connection between the male needle conductive filaments 4 and the male needle base 3, and the female needle conductive filaments 7 and the female needle base 6 are facilitated, and after riveting connection, the firmness of the connection of the male needle conductive filaments 4 and the female needle conductive filaments 7 can be enhanced, meeting the requirements of multiple plug-in and plug-out.

[0036] The materials of the male needle base 3, the female needle base 6 and the guide sleeve 5 are copper. The materials of the male needle conductive filaments 4 and the female needle conductive filaments 7 are beryllium copper wire plated with gold. Beryllium copper wire plated with gold is a conductive metal with good conductivity and elasticity, and the use of beryllium copper wire plated with gold can meet the requirements of the engagement and conductivity of the male needle conductive filaments 4 and the female needle conductive filaments 7. The use of copper base and guide sleeve 5 in combination with fine beryllium copper wire plated with gold can improve the overall structural strength while ensuring conductivity.

[0037] The above is further detailed description of the utility model in combination with specific preferred embodiments, and cannot be deemed as limitation of the specific implementation of the utility model to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them shall be deemed as belonging to the protection scope of the utility model.

Claims

1. A medical connector needle structure, characterized by, The male needle assembly comprises a male needle base, male needle conductive filaments and a guide sleeve, and the female needle assembly comprises a female needle base and female needle conductive filaments. One end of the male needle conductive filaments is connected to the male needle base, and the other end extends outward along the male needle base. The guide sleeve is connected to the outside of the male needle base and surrounds the male needle conductive filaments. One end of the female needle conductive filaments is connected to the female needle base, and the other end extends outward along the female needle base. The male needle conductive filaments and the female needle conductive filaments are in occlusive contact.

2. The medical connector needle structure of claim 1, wherein, The male needle base is internally provided with a male needle base cavity, and one end of the male needle conductive filaments is connected to the male needle base cavity and the other end extends to the outside of the male needle base cavity. The female needle base is internally provided with a female needle base cavity, and one end of the female needle conductive filaments is connected to the female needle base cavity and the other end extends to the outside of the female needle base cavity.

3. The medical connector needle structure of claim 2, wherein, The guide sleeve surrounds the part of the male needle conductive filaments extending to the outside of the male needle base cavity.

4. The medical connector needle structure of claim 1, wherein, The male needle conductive filaments are arrayed and connected to the male needle base, and the female needle conductive filaments are arrayed and connected to the female needle base. The arrayed male needle conductive filaments and the arrayed female needle conductive filaments are in occlusive contact.

5. The medical connector needle structure of claim 1, wherein, The male needle conductive filaments and / or the female needle conductive filaments are provided with a pointed end.

6. The medical connector needle structure of claim 1, wherein, The inside of the end of the guide sleeve is provided with a chamfer.

7. The medical connector needle structure of claim 1, wherein, The rear end of the male needle base and the female needle base is provided with a base joint connected to a plastic part.

8. The medical connector needle structure of claim 1, wherein, The male needle conductive filaments are riveted in the male needle base, and the female needle conductive filaments are riveted in the female needle base.

9. The medical connector needle structure of claim 1, wherein, The male needle base, the female needle base and the guide sleeve are made of copper.

10. The medical connector needle structure of claim 1, wherein, The male needle conductive filaments and the female needle conductive filaments are made of beryllium copper filaments plated with gold.

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