Membrane rupture needle for midwifery

Abstract

The utility model provides a midwifery membrane rupture needle, which relates to the technical field of medical auxiliary instruments and comprises a membrane rupture needle, a pneumatic telescopic rod is mounted in the membrane rupture needle, a clamping groove is mounted at one end of the pneumatic telescopic rod, a mounting column is mounted at one end of the clamping groove, and a clamping column is mounted at one end of the mounting column. A needle head is mounted at the other end of the mounting column, a plurality of mounting grooves are formed in the outer side of the clamping column, springs are mounted in the mounting grooves, and limiting balls are mounted at the tops of the springs. The clamping column is installed in the clamping groove, the limiting ball moves on the inner side of the sliding groove through the elasticity of the spring, and when the limiting ball slides to a certain position, the limiting ball penetrates through the limiting hole, so that limiting is facilitated, and the installation stability and reliability of the installation column and the clamping groove are guaranteed; when the needle head is damaged, the whole membrane rupturing needle does not need to be replaced, and only the needle head needs to be replaced, so that the medical cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to a membrane rupturing needle for assisting childbirth. Background Art

[0002] Artificial rupture of membranes, that is, artificially intervening to tear the amniotic membrane at the cervical os in order to observe the color of amniotic fluid, strengthen uterine contractions, and accelerate the progress of labor, is a more common method of inducing labor during natural delivery. After artificial rupture of membranes, the content of prostaglandins in the cervix increases. Under the action of prostaglandins, collagenase and elastase stored in white blood cells are released, which leads to collagen degradation, cervical ripening, cervical softening, and cervical dilation, thereby accelerating the labor process.

[0003] After long-term use, the sharpness of the existing obstetric rupture membrane needle decreases, which easily makes the rupture membrane needle inconvenient to use. However, the existing rupture membrane needle cannot be easily replaced, and the entire rupture membrane needle needs to be replaced, which increases the cost of use. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the needle of the membrane rupture needle cannot be easily replaced, and the entire membrane rupture needle needs to be replaced, which further increases the cost of use, and proposes an obstetric membrane rupture needle.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an obstetric membrane rupture needle, comprising a membrane rupture needle, a pneumatic telescopic rod is installed inside the membrane rupture needle, one end of the pneumatic telescopic rod is installed with a card-mounting groove, one end of the card-mounting groove is installed with a mounting column, one end of the mounting column is installed with a card-mounting column, and the other end of the mounting column is installed with a needle, a plurality of mounting grooves are provided on the outer side of the card-mounting column, a spring is installed inside the mounting groove, a limiting ball is installed on the top of the spring, and a plurality of limiting holes are provided on the outer side of the card-mounting groove.

[0006] Preferably, a mounting sleeve is installed on the outside of the membrane rupturing needle, a rotating seat is installed on the side of the mounting sleeve, a protective sleeve is installed at one end of the membrane rupturing needle, a connecting block is installed on the side of the protective sleeve, and a tension spring is installed between the connecting block and the rotating seat.

[0007] Preferably, a plurality of slide grooves are provided on the inner wall of the mounting groove, and the limiting hole is arranged at one end of the slide groove.

[0008] Preferably, the outer side of the clamping column is connected to the inner side of the clamping groove, and the limiting ball is movably connected to the inner side of the limiting hole.

[0009] Preferably, a sponge block is installed inside the protective sleeve, and finger rings are installed on both sides of the membrane rupturing needle.

[0010] Preferably, a sealing ring is installed at one end of the membrane rupturing needle, and a side surface of the sealing ring is connected to one end of the protective sleeve.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, the card-mounting column is installed inside the card-mounting groove, and the elasticity of the spring is used to make the limiting ball move on the inner side of the slide groove. When the limiting ball slides to a certain position, the limiting ball passes through the limiting hole, which is conducive to limiting and ensures the stability and reliability of the installation of the mounting column and the card-mounting groove, and facilitates the rapid and convenient replacement of the needle. When the needle is damaged, there is no need to replace the entire membrane-breaking needle, only the needle needs to be replaced, which reduces medical costs and avoids unnecessary waste of resources. At the same time, it is conducive to quickly replacing suitable needles according to different operation requirements, which is convenient for adapting to various situations and improves the flexibility and practicality of the membrane-breaking needle.

[0013] 2. In the utility model, when the membrane rupture needle is not needed, the tension of the tension spring is used to make the protective sleeve protect one end of the membrane rupture needle. The sealing ring is arranged at one end of the membrane rupture needle, which effectively prevents dust and water vapor from entering the membrane rupture needle, effectively protects the membrane rupture needle, and prevents the membrane rupture needle from being contaminated by external dust and impurities, thereby ensuring the cleanliness of the membrane rupture needle and preventing the membrane rupture needle from accidentally stabbing medical staff, thereby ensuring the safety of using the membrane rupture needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a needle for rupturing membranes during childbirth;

[0015] Figure 2 The utility model provides a schematic diagram of the unfolding structure of a needle for rupturing membranes during childbirth;

[0016] Figure 3 The utility model provides a schematic diagram of the exploded structure of the installation assembly of an obstetric membrane rupture needle;

[0017] Figure 4 The utility model provides a schematic diagram of the protective component structure of an obstetric membrane rupture needle;

[0018] Figure 5 The utility model provides an enlarged structural schematic diagram of position A of an obstetric membrane rupture needle.

[0019] Legend: 1. membrane rupturing needle; 2. finger ring; 3. protective sleeve; 4. connecting block; 5. tension spring; 6. rotating seat; 7. mounting sleeve; 8. pneumatic telescopic rod; 9. sealing ring; 10. mounting groove; 11. mounting column; 12. needle; 13. mounting column; 14. slide groove; 15. mounting groove; 16. spring; 17. limiting ball; 18. limiting hole; 19. sponge block. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Example 1

[0023] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: an obstetric membrane rupture needle, comprising a membrane rupture needle 1, a pneumatic telescopic rod 8 is installed inside the membrane rupture needle 1, a card slot 10 is installed at one end of the pneumatic telescopic rod 8, a mounting column 11 is installed at one end of the card slot 10, a mounting column 13 is installed at one end of the mounting column 11, a needle 12 is installed at the other end of the mounting column 11, a plurality of mounting grooves 15 are provided on the outer side of the mounting column 13, a spring 16 is installed inside the mounting groove 15, a limiting ball 17 is installed on the top of the spring 16, a plurality of limiting holes 18 are provided on the outer side of the card slot 10, a plurality of slide grooves 14 are provided on the inner wall of the card slot 10, the limiting hole 18 is arranged at one end of the slide groove 14, the outer side of the mounting column 13 is connected to the inner side of the card slot 10, and the limiting ball 17 is movably connected to the inner side of the limiting hole 18.

[0024] In this embodiment, by installing the card column 13 inside the card slot 10, the elasticity of the spring 16 is used to make the limiting ball 17 slide on the inner side of the slide slot 14. When the limiting ball 17 slides to a certain position, the limiting ball 17 passes through the limiting hole 18, which is conducive to limiting and ensures the stability and reliability of the installation of the mounting column 11 and the card slot 10, and facilitates the quick and convenient replacement of the needle 12. When the needle 12 is damaged, there is no need to replace the entire membrane-breaking needle 1, only the needle 12 needs to be replaced, which reduces medical costs and avoids unnecessary waste of resources. At the same time, it is conducive to quickly replacing a suitable needle 12 according to different operating requirements, which is convenient to adapt to various situations and improves the flexibility and practicality of the membrane-breaking needle 1. The pneumatic telescopic rod 8 is extended and retracted inside the membrane-breaking needle 1, which is conducive to pushing the needle 12 to extend inside the membrane-breaking needle 1, and facilitating the use of the membrane-breaking needle 1.

[0025] Example 2

[0026] like Figure 1-Figure 5As shown, a mounting sleeve 7 is installed on the outer side of the membrane-breaking needle 1, a rotating seat 6 is installed on the side of the mounting sleeve 7, a protective sleeve 3 is installed on one end of the membrane-breaking needle 1, a connecting block 4 is installed on the side of the protective sleeve 3, a tension spring 5 is installed between the connecting block 4 and the rotating seat 6, a sponge block 19 is installed inside the protective sleeve 3, finger rings 2 are installed on both sides of the membrane-breaking needle 1, a sealing ring 9 is installed on one end of the membrane-breaking needle 1, and the side of the sealing ring 9 is connected to one end of the protective sleeve 3.

[0027] In this embodiment, when the membrane rupture needle 1 is not needed, the tension of the tension spring 5 is used to make the protective sleeve 3 protect one end of the membrane rupture needle 1. The sealing ring 9 is arranged at one end of the membrane rupture needle 1, which effectively prevents dust and water vapor from entering the membrane rupture needle 1, effectively protects the membrane rupture needle 1, and prevents the membrane rupture needle 1 from being contaminated by external dust and impurities, thereby ensuring the cleanliness of the membrane rupture needle 1 and preventing the membrane rupture needle 1 from accidentally stabbing medical staff, thereby ensuring the safety of using the membrane rupture needle 1. When the membrane rupture needle 1 needs to be used, the protective sleeve 3 is pulled outward, and the rotating seat 6 is used to facilitate the removal of the protective sleeve 3. A sponge block 19 is installed inside the protective sleeve 3, which is beneficial to further protect the needle head 12, and the finger ring 2 facilitates medical staff to take the membrane rupture needle 1.

[0028] The working principle of this embodiment is as follows: when in use, first pull the protective sleeve 3 outward, cooperate with the rotating seat 6 to facilitate the removal of the protective sleeve 3, and then use the pneumatic telescopic rod 8 to telescope inside the membrane-breaking needle 1, which is conducive to pushing the needle head 12 to extend inside the membrane-breaking needle 1, and facilitates the use of the membrane-breaking needle 1. When it is not needed, the tension of the tension spring 5 is used to make the protective sleeve 3 protect one end of the membrane-breaking needle 1. The sealing ring 9 is arranged at one end of the membrane-breaking needle 1, which effectively prevents dust and water vapor from entering the membrane-breaking needle 1, effectively protecting the membrane-breaking needle 1, and the protective sleeve 3 A sponge block 19 is installed inside to further protect the needle 12. When the needle 12 needs maintenance and replacement, the limiting ball 17 is pressed downward to disengage the limiting ball 17 from the limiting hole 18, and then the mounting column 11 is pulled outward to replace the needle 12. Then the mounting column 13 is installed inside the mounting groove 10, and the elasticity of the spring 16 is utilized to make the limiting ball 17 slide on the inner side of the slide groove 14. When the limiting ball 17 slides to a certain position, the limiting ball 17 passes through the limiting hole 18, which is beneficial for limiting and facilitates the installation of the replaced needle 12.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A membrane-breaking needle for assisting childbirth, comprising a membrane-breaking needle (1), characterized in that: A pneumatic telescopic rod (8) is installed inside the membrane rupturing needle (1), one end of the pneumatic telescopic rod (8) is installed with a card slot (10), one end of the card slot (10) is installed with a mounting column (11), one end of the mounting column (11) is installed with a card slot (13), the other end of the mounting column (11) is installed with a needle (12), the outer side of the card slot (13) is provided with a plurality of mounting slots (15), a spring (16) is installed inside the mounting slot (15), a limiting ball (17) is installed on the top of the spring (16), and the outer side of the card slot (10) is provided with a plurality of limiting holes (18).

2. The assisted delivery membrane rupture needle according to claim 1, characterized in that: The outer side of the membrane-breaking needle (1) is provided with a mounting sleeve (7), a rotating seat (6) is provided on the side of the mounting sleeve (7), a protective sleeve (3) is provided at one end of the membrane-breaking needle (1), a connecting block (4) is provided on the side of the protective sleeve (3), and a tension spring (5) is provided between the connecting block (4) and the rotating seat (6).

3. The assisted delivery membrane rupture needle according to claim 1, characterized in that: The inner wall of the clamping groove (10) is provided with a plurality of sliding grooves (14), and the limiting hole (18) is arranged at one end of the sliding groove (14).

4. The assisted delivery membrane rupture needle according to claim 3, characterized in that: The outer side of the clamping column (13) is connected to the inner side of the clamping groove (10), and the limiting ball (17) is movably connected to the inner side of the limiting hole (18).

5. The assisted delivery membrane rupture needle according to claim 2, characterized in that: A sponge block (19) is installed inside the protective sleeve (3), and finger rings (2) are installed on both sides of the membrane-breaking needle (1).

6. The assisted delivery membrane rupture needle according to claim 1, characterized in that: A sealing ring (9) is installed at one end of the membrane rupturing needle (1), and a side surface of the sealing ring (9) is connected to one end of the protective sleeve (3).

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