Catheter type cervical dilator
By using the design of combining medical expansion sponge and slide rail slide in a catheter-type cervical dilator, the problem of poor expansion in the prior art is solved, and more effective cervical dilation is achieved.
Patent Information
- Application Number
- CN202420456705.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-11
AI Technical Summary
The existing catheter-type cervical dilator expands by introducing cotton adsorption secretions, which has poor expansion effect, affecting the expansion effect.
A catheter-type cervical dilator is designed, using a medical expansion sponge as an expansion mechanism. Through the slide rail and the slider, the push rod main body drives the disc main body to push the medical expansion sponge out from the outlet and expand, adsorb and expand the cervix.
Through the design of medical expansion sponge and the sliding rail slide, more effective cervical expansion is achieved, improving the expansion effect and improving the expansion effect.
Smart Images
Figure CN222585330U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cervical dilators, in particular to a catheter-type cervical dilator. Background Art
[0002] The cervical dilator is used to mechanically dilate the cervix and retract the perineal tissue to facilitate the doctor to conduct corresponding examinations. The cervical dilator uses a cervical dilator rod to dilate the cervix during intrauterine operations, and then expands the cervix to facilitate surgical operations. The catheter-type cervical dilator is a type of catheter that places cotton inside the catheter shell to absorb secretions inside the cervix, thereby expanding and dilating the cervix.
[0003] Most catheter-type cervical dilators currently on the market, when in use, dilate the cervix by pushing out cotton to absorb secretions and expand them. This method of using cotton has a poor expansion effect, thus affecting the dilation effect. Utility Model Content
[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the fact that most of the catheter-type cervical dilators on the market mentioned above or in the prior art, when in use, they all expand the cervix by pushing out cotton to absorb secretions and expand them. This method of using cotton has a poor expansion effect, thereby affecting the expansion effect. Therefore, the present utility model is proposed.
[0006] Therefore, the purpose of the utility model is to provide a catheter-type cervical dilator.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a catheter-type cervical dilator includes a cervical dilator mechanism, which includes an upper shell, the top of which is provided with a discharge port, the bottom of which is provided with a lower shell, and a first through hole is opened inside the lower shell, and the top of the outer wall of the lower shell is provided with an external thread;
[0008] The pushing mechanism comprises a push rod body, the push rod body is arranged inside the first through hole, a second through hole is opened inside the push rod body, a disc body is installed at the top of the push rod body, and a slider is installed on the outer wall of the disc body, and a third through hole is opened inside the disc body;
[0009] The expansion mechanism comprises a medical expansion sponge, wherein the medical expansion sponge is arranged inside the upper shell, and a traction rope penetrating the second through hole is installed at the bottom end of the medical expansion sponge.
[0010] As a preferred solution of the catheter-type cervical dilator of the utility model, wherein: the inner wall of the upper shell is installed with a slide rail, and the slide rail and the slider cooperate with each other.
[0011] As a preferred solution of the catheter-type cervical dilator of the utility model, wherein: the inner wall of the upper shell is installed with internal threads, and the internal threads are threadedly connected with the external threads.
[0012] As a preferred solution of the catheter-type cervical dilator of the utility model, the diameter of the bottom end of the discharge port is larger than the diameter of the top end.
[0013] As a preferred solution of the catheter-type cervical dilator of the utility model, the disc body and the push rod body are welded into an integrated structure, and the diameter of the disc body is greater than the diameter of the push rod body.
[0014] As a preferred solution of the catheter-type cervical dilator of the utility model, the shape of the medical expansion sponge is cylindrical, and the medical expansion sponge is in contact with the inner wall of the upper shell.
[0015] As a preferred solution of the catheter-type cervical dilator of the utility model, the outer wall of the push rod body is provided with anti-slip grooves.
[0016] The utility model has the beneficial effects of a catheter-type cervical dilator: the utility model firstly designs a medical expansion sponge, and the shape of the medical expansion sponge is cylindrical, and the medical expansion sponge is tightly fitted with the inner wall of the upper shell, and at the same time cooperates with the slide rail and the slider, so that the push rod body slides inside the first through hole and drives the disc body to rise and fall inside the slide rail through the slider and push the medical expansion sponge, so that the medical expansion sponge is pushed out from the top of the discharge port and expands to absorb and expand the cervical secretions.
[0017] The utility model has the beneficial effects of a catheter-type cervical dilator: the utility model is firstly connected with the external thread by the internal thread, so that the lower shell can be installed and disassembled with the upper shell by rotating the external thread, thereby facilitating the medical staff to disassemble the lower shell to remove, test and replace the medical expansion sponge. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0019] Figure 1 It is a schematic diagram of the main structure of a catheter-type cervical dilator.
[0020] Figure 2 It is a schematic diagram of the main internal structure of a catheter-type cervical dilator.
[0021] Figure 3 The present invention is a schematic diagram of the main structure of a push rod of a catheter-type cervical dilator.
[0022] Figure 4 The figure is a schematic diagram of the medical expansion sponge structure of a catheter-type cervical dilator.
[0023] Figure 5 A schematic structural diagram of a medical expansion sponge for a catheter-type cervical dilator is provided.
[0024] Figure 6 The present invention is a schematic diagram of the assembly structure of the lower shell of a catheter-type cervical dilator.
[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0026] 1. Cervical dilator mechanism; 101. upper shell; 1011. slide rail; 1012. internal thread; 102. discharge port; 103. lower shell; 1031. external thread; 104. first through hole;
[0027] 2. Push mechanism; 201. Push rod body; 202. Second through hole; 203. Disc body; 2031. Third through hole; 204. Sliding block; 205. Anti-skid pattern;
[0028] 3. Expansion mechanism; 301. Medical expansion sponge; 302. Traction rope. DETAILED DESCRIPTION
[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.
[0032] Example 1: Reference Figures 1 to 6 , which is the first embodiment of the utility model, and provides a catheter-type cervical dilator, which can achieve the problem that most catheter-type cervical dilators on the market currently cannot achieve. When in use, cotton is pushed out to absorb secretions and expand, thereby expanding the cervix. This method of using cotton has a poor expansion effect, thereby affecting the expansion effect. The utility model includes a cervical dilator mechanism 1, which includes an upper shell 101, a discharge port 102 is installed at the top of the upper shell 101, a lower shell 103 is arranged at the bottom of the upper shell 101, and a first through hole 104 is opened inside the lower shell 103, and the top of the outer wall of the lower shell 103 is installed with an external thread 1031;
[0033] The pushing mechanism 2 includes a push rod body 201, which is arranged inside the first through hole 104. A second through hole 202 is opened inside the push rod body 201. A disc body 203 is installed on the top of the push rod body 201, and a slider 204 is installed on the outer wall of the disc body 203. A third through hole 2031 is opened inside the disc body 203.
[0034] The inner walls of the upper shell 101 are all installed with slide rails 1011, and the slide rails 1011 cooperate with the slider 204, the inner walls of the upper shell 101 are all installed with internal threads 1012, and the internal threads 1012 are threadedly connected with the external threads 1031, the diameter of the bottom end of the discharge port 102 is larger than the diameter of the top end, the disc body 203 and the push rod body 201 are welded integrated structures, the diameter of the disc body 203 is larger than the diameter of the push rod body 201, and the outer wall of the push rod body 201 is provided with anti-slip grooves 205.
[0035] The specific working principle is that when the cervix needs to be dilated, firstly, the medical expansion sponge 301 is designed, and the shape of the medical expansion sponge 301 is cylindrical, and the medical expansion sponge 301 is tightly fitted with the inner wall of the upper shell 101, and at the same time, the slide rail 1011 cooperates with the slider 204, so that the push rod body 201 slides inside the first through hole 104 and drives the disc body 203 to rise and fall inside the slide rail 1011 through the slider 204 and push the medical expansion sponge 301, so that the medical expansion sponge 301 is pushed out from the top of the discharge port 102 and expands to absorb and expand the cervical secretions.
[0036] Example 2: Reference Figures 1 to 6 , which is the first embodiment of the utility model, and this embodiment provides a catheter-type cervical dilator, which can achieve the problem that most catheter-type cervical dilators on the market currently expand the cervix by pushing out cotton to absorb secretions and expand them when in use. This method of using cotton has a poor expansion effect, thereby affecting the expansion effect. The expansion mechanism 3 includes a medical expansion sponge 301, which is arranged inside the upper shell 101, and a traction rope 302 that passes through the second through hole 202 is installed at the bottom end of the medical expansion sponge 301. The shape of the medical expansion sponge 301 is cylindrical, and the medical expansion sponge 301 fits the inner wall of the upper shell 101.
[0037] The specific working principle is that when the lower shell 103 needs to be disassembled, it is first threadedly connected with the outer thread 1031 through the internal thread 1012, so that the lower shell 103 can be installed and disassembled with the upper shell 101 through the external thread 1031 by rotating the lower shell 103, thereby facilitating medical staff to disassemble the lower shell 103 to remove, inspect and replace the medical expansion sponge 301.
[0038] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A catheter-type cervical dilator, characterized in that: include, A cervical dilator mechanism (1) comprises an upper shell (101), the top end of the upper shell (101) being provided with a discharge port (102), the bottom end of the upper shell (101) being provided with a lower shell (103), the interior of the lower shell (103) being provided with a first through hole (104), and the top end of the outer wall of the lower shell (103) being provided with an external thread (1031); The pushing mechanism (2) comprises a push rod body (201), the push rod body (201) is arranged inside the first through hole (104), a second through hole (202) is opened inside the push rod body (201), a disc body (203) is installed at the top end of the push rod body (201), a slider (204) is installed on the outer wall of the disc body (203), and a third through hole (2031) is opened inside the disc body (203); The expansion mechanism (3) comprises a medical expansion sponge (301), wherein the medical expansion sponge (301) is arranged inside the upper shell (101), and a traction rope (302) penetrating the second through hole (202) is installed at the bottom end of the medical expansion sponge (301).
2. A catheter-type cervical dilator as claimed in claim 1, characterized in that: The inner wall of the upper housing (101) is installed with a slide rail (1011), and the slide rail (1011) and the slider (204) cooperate with each other.
3. A catheter-type cervical dilator as claimed in claim 1, characterized in that: The inner wall of the upper housing (101) is provided with an internal thread (1012), and the internal thread (1012) is threadably connected to the external thread (1031).
4. A catheter-type cervical dilator as claimed in claim 1, characterized in that: The diameter of the bottom end of the discharge port (102) is larger than the diameter of the top end.
5. A catheter-type cervical dilator as claimed in claim 1, characterized in that: The disc body (203) and the push rod body (201) are welded into an integrated structure, and the diameter of the disc body (203) is greater than the diameter of the push rod body (201).
6. A catheter-type cervical dilator as claimed in claim 1, characterized in that: The shape of the medical expansion sponge (301) is cylindrical, and the medical expansion sponge (301) fits the inner wall of the upper shell (101).
7. A catheter-type cervical dilator as claimed in claim 1, characterized in that: The outer wall of the push rod body (201) is provided with anti-slip grooves (205).