阅读说明：本技术 宫颈给药留置器 (Cervical administration indwelling device ) 是由 金汉庆 杜晓舟 于 2021-07-02 设计创作，主要内容包括：本发明公开了一种宫颈给药留置器,包括给药件和盖体,给药件包括锥头及宫颈托,宫颈托连接于锥头的一端,宫颈托沿锥头的径向向外延伸,锥头用于伸入宫颈,宫颈托的内部具有药物容置腔,宫颈托靠近锥头的一侧开设有第二给药孔,宫颈托远离锥头的一侧开设有药物置入口,药物置入口与第二给药孔连通于药物容置腔,宫颈托用于贴合于宫颈口；盖体连接于宫颈托以闭合药物置入口。锥头能够伸入宫颈内部,以提高宫颈给药留置器的固定效果,防止给药过程中发生移位或脱落,将宫颈给药留置器通过阴道放置到位并留置于宫颈口,能够在较长时间内稳定地向宫颈口处给药,保证治疗效果。(The invention discloses a cervical drug administration indwelling device, which comprises a drug administration piece and a cover body, wherein the drug administration piece comprises a conical head and a cervical support, the cervical support is connected to one end of the conical head, the cervical support extends outwards along the radial direction of the conical head, the conical head is used for extending into a cervix, a drug accommodating cavity is arranged in the cervical support, a second drug administration hole is formed in one side of the cervical support close to the conical head, a drug introduction port is formed in one side of the cervical support far away from the conical head, the drug introduction port and the second drug administration hole are communicated with the drug accommodating cavity, and the cervical support is used for being attached to a cervical orifice; the cover body is connected with the cervical support to close the drug inlet. The conical head can stretch into the cervix uteri to improve the fixing effect of the cervical drug administration indwelling device, prevent the drug administration process from shifting or falling off, place the cervical drug administration indwelling device in place through the vagina and keep somewhere in the cervical orifice, can stably administer drug to the cervical orifice in a longer time, and ensure the treatment effect.)

1. An indwelling device for cervical drug delivery, comprising:

the drug delivery part comprises a conical head and a cervical support, the cervical support is connected to one end of the conical head, the cervical support extends outwards along the radial direction of the conical head, the conical head is used for extending into the cervix, a drug containing cavity is arranged in the cervical support, a second drug delivery hole is formed in one side, close to the conical head, of the cervical support, a drug placement opening is formed in one side, far away from the conical head, of the cervical support, the drug placement opening and the second drug delivery hole are communicated with the drug containing cavity, and the cervical support is used for being attached to the cervical opening;

the cover body is detachably connected to the cervical support to close the medicine placing opening.

2. The cervical drug delivery indwelling device according to claim 1, wherein the conical head is provided with a first drug delivery hole, and the first drug delivery hole is communicated with the drug containing cavity.

3. The cervical drug delivery indwelling device according to claim 2, wherein the conical head is provided with a plurality of first drug delivery holes, and the plurality of first drug delivery holes are distributed along the length direction of the conical head.

4. The cervical drug delivery indwelling device according to claim 3, wherein the conical head is provided with a plurality of the first drug delivery holes, and the plurality of the first drug delivery holes are distributed in the circumferential direction of the conical head.

5. The cervical administration indwelling device according to claim 1, wherein the conical head comprises an introduction section and a first administration section, one end of the first administration section is connected to the cervical collar, the other end of the first administration section is connected to the introduction section, the first administration section is provided with the first administration hole, and the cross-sectional area of the introduction section is gradually reduced in a direction away from the first administration section.

6. The cervical drug delivery indwelling device according to claim 1, wherein the cervical collar is provided with a plurality of second drug delivery holes, and the plurality of second drug delivery holes are wound around the conical head.

7. The cervical administration indwelling device according to claim 1, wherein the cervical holder comprises a connecting section and a second administration section, the connecting section is connected to the edge of the second administration section, the connecting section defines the drug inlet, the edge of the cover is connected to the connecting section, the conical head is connected to the second administration section, and the second administration section defines the second administration hole.

8. The cervical administration indwelling device according to claim 7, wherein a clamping groove is provided on a side of the cover body away from the cervical collar, the connecting section is arranged to protrude relative to the second administration section, and at least a part of the connecting section is bent toward the center of the second administration section and clamped in the clamping groove.

9. The cervical administration indwelling device according to claim 8, wherein the engagement groove is provided with an inclined groove wall on a side close to the cervical holder, and the inclined groove wall is inclined in a direction close to the cervical holder in a direction from the edge of the cover body to the center.

10. The cervical administration indwelling according to claim 1, further comprising a handle connected to the cap.

11. The cervical administration indwelling according to claim 10, wherein the handle includes a hand-held portion and a connecting portion, one end of the connecting portion is connected to the cover, the other end of the connecting portion is connected to the hand-held portion, and a cross-sectional area of at least a part of the hand-held portion is larger than a cross-sectional area of the connecting portion in a direction perpendicular to the direction in which the cover and the administration member are connected to each other.

12. The cervical drug delivery indwelling device according to claim 1, further comprising a drug supply tube communicating with the drug containing chamber.

13. The cervical administration indwelling according to claim 12, wherein a one-way valve is provided on the administration tube.

Technical Field

The invention relates to the technical field of gynecological special treatment equipment, in particular to a cervical drug delivery indwelling device.

Background

In the treatment of gynecological diseases such as cervicitis and the like related to the cervix, the medicament is usually treated by adopting an intravaginal administration mode, and has direct action, small adverse reaction and quick response. For some cervical diseases, an indwelling drug delivery indwelling device can be adopted, and the indwelling drug delivery indwelling device is placed at a focus part to slowly release the drug for treatment. In the related art, the fixing effect of the administration retention device is not good, and the administration retention device may shift or fall off during administration, thereby affecting the treatment effect.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a cervical administration indwelling device which can avoid displacement or falling off in the administration process and ensure the treatment effect.

The cervix uteri administration indwelling device provided by the embodiment of the invention comprises an administration piece and a cover body, wherein the administration piece comprises a conical head and a cervix uteri support, the cervix uteri support is connected with one end of the conical head, the cervix uteri support extends outwards along the radial direction of the conical head, the conical head is used for extending into a cervix uteri, a medicine accommodating cavity is arranged in the cervix uteri support, a second administration hole is arranged at one side of the cervix uteri support close to the conical head, a medicine inlet is arranged at one side of the cervix uteri support far away from the conical head, the medicine inlet and the second administration hole are communicated with the medicine accommodating cavity, and the cervix uteri support is used for being attached to the cervix uteri; the cover body is detachably connected with the cervical support to close the medicine placing opening.

The embodiment of the first aspect of the invention provides a cervical drug administration indwelling device, which has at least the following beneficial effects: the administration piece comprises a conical head and a cervical support, the conical head can extend into the cervix so as to improve the fixing effect of the cervical administration indwelling device and prevent the displacement or falling off in the administration process; the cervical support can be laminated in the cervical mouth, and the medicine of medicine holding intracavity flows through the second dosing hole of cervical support, can act on cervical mouth department, and with cervical dosing indwelling device place through the vagina and target in place and keep somewhere in cervical mouth department, can dose to cervical mouth department in a long time steadily, guarantees treatment.

In some embodiments of the present invention, the conical head is provided with a first drug delivery hole, and the first drug delivery hole is communicated with the drug containing cavity.

In some embodiments of the present invention, the conical head is provided with a plurality of the first medicine feeding holes, and the plurality of the first medicine feeding holes are distributed along a length direction of the conical head.

In some embodiments of the present invention, the conical head is provided with a plurality of the first medicine feeding holes, and the plurality of the first medicine feeding holes are distributed in the circumferential direction of the conical head.

In some embodiments of the present invention, the conical head includes an introduction section and a first administration section, one end of the first administration section is connected to the cervical collar, the other end of the first administration section is connected to the introduction section, the first administration section is provided with the first administration hole, and the cross-sectional area of the introduction section is gradually reduced in a direction away from the first administration section.

In some embodiments of the present invention, the cervical holder is provided with a plurality of second drug delivery holes, and the plurality of second drug delivery holes are disposed around the conical head.

In some embodiments of the present invention, the cervical holder includes a connecting section and a second administration section, the connecting section is connected to an edge of the second administration section, the connecting section defines the drug inlet, an edge of the cover is connected to the connecting section, the conical head is connected to the second administration section, and the second administration section defines the second administration hole.

In some embodiments of the invention, a clamping groove is formed in one side of the cover body, which is far away from the cervical collar, the connecting section is arranged in a protruding manner relative to the second administration section, and at least part of the connecting section is bent towards the center of the second administration section and clamped in the clamping groove.

In some embodiments of the invention, an inclined groove wall is arranged on one side of the clamping groove close to the cervical support, and the inclined groove wall is inclined towards the direction close to the cervical support in the direction from the edge to the center of the cover body.

In some embodiments of the present invention, the cervical drug delivery indwelling device further comprises a handle connected to the cap.

In some embodiments of the invention, the handle comprises a hand-held portion and a connecting portion, one end of the connecting portion is connected to the cover body, the other end of the connecting portion is connected to the hand-held portion, and the cross-sectional area of at least a part of the hand-held portion is larger than the cross-sectional area of the connecting portion in a direction perpendicular to the direction in which the cover body and the administration member are connected to each other.

In some embodiments of the present invention, the cervical drug delivery indwelling device further comprises a drug supply tube communicating with the drug containing chamber.

In some embodiments of the invention, a one-way valve is disposed on the drug delivery tube.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples, in which:

fig. 1 is a schematic perspective view of a cervical drug delivery indwelling device according to some embodiments of the present invention;

fig. 2 is a schematic perspective view of another embodiment of a cervical drug delivery indwelling device provided in the present invention;

fig. 3 is a side view of the cervical drug delivery indwelling device shown in fig. 2;

FIG. 4 is a cross-sectional view of the cervical drug delivery indwelling device shown in FIG. 3, taken along section A-A;

fig. 5 is an exploded view of the cervical drug delivery indwelling device shown in fig. 4;

FIG. 6 is a cross-sectional view of the cervical drug delivery indwelling device shown in FIG. 3, taken along section B-B;

fig. 7 is a top view of the cervical drug delivery indwelling device shown in fig. 1;

fig. 8 is a perspective view of another embodiment of a cervical drug delivery indwelling device provided in the present invention.

Reference numerals:

the administration device comprises an administration piece 100, a conical head 110, a first administration hole 111, an introduction section 112, a first administration section 113, a cervical support 120, a medicine accommodating cavity 121, a second administration hole 122, a medicine accommodating port 123, a connecting section 124, a second administration section 125, a cover body 200, a clamping groove 210, an inclined groove wall 211, a handle 300, a handheld part 310, a connecting part 320, a medicine supply pipe 400 and a one-way valve 410.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In the description of the present invention, reference to the description of "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The cervix feeding retainer provided by the embodiment of the invention comprises a feeding piece 100 and a cover body 200, wherein the feeding piece 100 comprises a conical head 110 and a cervical support 120, the cervical support 120 is connected to one end of the conical head 110, the cervical support 120 extends outwards along the radial direction of the conical head 110, the conical head 110 is used for extending into a cervix, a medicine accommodating cavity 121 is arranged inside the cervical support 120, a second medicine feeding hole 122 is formed in one side, close to the conical head 110, of the cervical support 120, a medicine placing port 123 is formed in one side, far away from the conical head 110, of the cervical support 120, the medicine placing port 123 is communicated with the medicine accommodating cavity 121 through the second medicine feeding hole 122, and the cervical support 120 is used for being attached to a cervix; the cap body 200 is detachably coupled to the cervical holder 120 to close the medicine introduction port 123.

For example, as shown in fig. 1 to fig. 2, the administration indwelling device for cervix uteri includes an administration member 100 and a cover 200, the administration member 100 includes a cone head 110 and a cervical holder 120, the cervical holder 120 is connected to one end of the cone head 110, the cervical holder 120 extends outward along the radial direction of the cone head 110, the cone head 110 is used for extending into the cervix uteri, the cervical holder 120 has a medicine accommodating cavity 121 inside, a second administration hole 122 is opened on one side of the cervical holder 120 close to the cone head 110, a medicine inlet 123 is opened on one side of the cervical holder 120 far from the cone head 110, the medicine inlet 123 and the second administration hole 122 are communicated with the medicine accommodating cavity 121, and the cervical holder 120 is used for fitting to the cervix uteri; the cap body 200 is detachably coupled to the cervical holder 120 to close the medicine introduction port 123. The administration piece 100 comprises a conical head 110 and a cervical support 120, the conical head 110 can extend into the cervix so as to improve the fixing effect of the cervical administration indwelling device and prevent the displacement or falling off in the administration process; the cervical support 120 can be fitted to the cervical orifice, and the medicine in the medicine accommodating cavity 121 flows out through the second medicine feeding hole 122 of the cervical support 120, can act on the cervical orifice, and the cervical medicine feeding indwelling device is placed in place through the vagina and is kept in the cervical orifice, so that the medicine can be stably fed to the cervical orifice within a long time, and the treatment effect is ensured.

It can be understood that the administration member 100 and the cover body 200 can be made of soft materials such as silica gel, rubber, etc. when in use, the cervical administration indwelling device can be kneaded into a shape convenient for being placed into the vagina and then pushed into the vagina, and after reaching the cervix, the conical head 110 is placed into the cervix, and the cervical support 120 is attached to the cervix; and the soft material can improve the comfort of the patient. The section of the cervical holder 120 in the axial direction of the conical head 110 can be arc-shaped so as to better fit the shape of the deep cervix of the fornix behind the vagina, so that the medicine can better act on the cervical orifice, and the comfort of a patient during use can be improved. The cone head 110 and the cervical holder 120 may be integrally formed to improve reliability in use.

In some embodiments of the present invention, the conical head 110 defines a first drug delivery hole 111, and the first drug delivery hole 111 communicates with the drug accommodating cavity 121.

For example, as shown in fig. 2 to 5, the conical head 110 is opened with a first drug administration hole 111, and the first drug administration hole 111 communicates with the drug accommodating cavity 121. Inside conical head 110 can stretch into the cervix, the medicine in medicine holding chamber 121 can flow through first dosing hole 111, acts on inside the cervix to realize dosing when inside and the cervix department of cervix, improve treatment effeciency. In some embodiments of the present invention, the conical head 110 defines a plurality of first drug delivery holes 111, and the plurality of first drug delivery holes 111 are distributed along the length direction of the conical head 110.

For example, as shown in fig. 2 to 5, the conical head 110 is provided with a plurality of first administration holes 111, the plurality of first administration holes 111 are distributed along the length direction of the conical head 110, and after the cervical administration indwelling device is placed in place, the plurality of first administration holes 111 correspond to positions with different depths in the cervix, so that the medicine can be more uniformly coated at the positions with different depths in the cervix, the action range of the medicine can be expanded, and the treatment efficiency can be further improved.

It is to be understood that the number, distribution interval, and the like of the first administration holes 111 are not limited, and may be set according to the use requirement. A plurality of first administration holes 111 may be provided at equal intervals to further improve the uniformity of drug application.

In some embodiments of the present invention, the conical head 110 defines a plurality of first drug delivery holes 111, and the plurality of first drug delivery holes 111 are distributed in the circumferential direction of the conical head 110.

For example, as shown in fig. 6, a plurality of first administration holes 111 are formed in a conical head 110, the plurality of first administration holes 111 are distributed in the circumferential direction of the conical head 110, and after the cervical administration indwelling device is placed in place, the plurality of first administration holes 111 correspond to different positions in the inner circumferential direction of the cervix, so that the medicine can be more uniformly coated in the inner circumferential direction of the cervix, the action range of the medicine can be expanded, and the treatment efficiency can be further improved.

It is understood that the number, angular interval, etc. of the first administration holes 111 are not limited, and may be set according to actual use requirements. The plurality of first administration holes 111 may be provided at regular angular intervals, further improving the uniformity of drug application.

It is understood that the above two embodiments may be combined with each other, that is, a plurality of first drug delivery holes 111 may be provided in both the longitudinal direction and the circumferential direction of the conical head 110, for example, referring to fig. 2 to 6, a plurality of rows of first drug delivery holes 111 may be provided in the longitudinal direction of the conical head 110, each row of first drug delivery holes 111 is distributed in the circumferential direction of the conical head 110, further, a plurality of rows of first drug delivery holes 111 may be provided uniformly in the longitudinal direction of the conical head 110, and each row of first drug delivery holes 111 is distributed uniformly in the circumferential direction of the conical head 110.

In some embodiments of the present invention, the cone head 110 includes an introduction section 112 and a first administration section 113, one end of the first administration section 113 is connected to the cervical collar 120, the other end of the first administration section 113 is connected to the introduction section 112, the first administration section 113 is provided with a first administration hole 111, and the introduction section 112 has a cross-sectional area gradually decreasing in a direction away from the first administration section 113.

For example, as shown in fig. 2 to 5, the cone head 110 includes an introduction section 112 and a first administration section 113, one end of the first administration section 113 is connected to the cervical collar 120, the other end of the first administration section 113 is connected to the introduction section 112, the first administration section 113 is provided with a first administration hole 111, and the cross-sectional area of the introduction section 112 is gradually reduced in a direction away from the first administration section 113 so as to facilitate the insertion of the cone head 110 into the cervix.

It is understood that the size, shape, etc. of the introduction section 112 and the first administration section 113 are not limited, and may be set according to actual requirements, for example, as shown in fig. 2 to 5, the introduction section 112 may be set to be conical, the first administration section 113 may be set to be cylindrical, and the overall outer profile of the conical head 110 is smooth, which can improve the comfort of the patient.

In some embodiments of the present invention, the cervical holder 120 defines a plurality of second drug delivery holes 122, and the plurality of second drug delivery holes 122 are disposed around the conical head 110.

For example, as shown in fig. 7, the cervical holder 120 is provided with a plurality of second administration holes 122, the plurality of second administration holes 122 are wound around the conical head 110, and after the cervical administration indwelling device is put in place, the plurality of second administration holes 122 correspond to different positions in the circumferential direction of the cervical os, so that the medicine can be more uniformly coated at the different positions in the cervical os, the action range of the medicine can be expanded, and the treatment efficiency can be further improved.

It is understood that the number, angular interval, distance from the conical head 110, etc. of the second drug delivery holes 122 are not limited, and may be set according to actual requirements. The second administration holes 122 may be equally spaced at equal angles to further improve the uniformity of the drug coating at the circumferential direction at the cervical orifice. A plurality of second drug delivery holes 122 may also be provided on a plurality of circumferences concentric with different radii to improve uniformity of drug application in the radial direction.

In some embodiments of the present invention, the cervical holder 120 includes a connecting section 124 and a second administration section 125, the connecting section 124 is connected to an edge of the second administration section 125, the connecting section 124 defines a drug inlet 123, an edge of the cover 200 is connected to the connecting section 124, the conical head 110 is connected to the second administration section 125, and the second administration section 125 defines a second administration hole 122.

For example, as shown in fig. 2 to 5, the cervical holder 120 includes a connecting section 124 and a second administration section 125, the connecting section 124 is connected to an edge of the second administration section 125, the connecting section 124 is provided with a medicine inlet 123, an edge of the cover body 200 is connected to the connecting section 124, the conical head 110 is connected to the second administration section 125, and the second administration section 125 is provided with a second administration hole 122. The connecting section 124 can provide a mounting position for the cap body 200 to connect the cap body 200 to the cervical holder 120 and close the drug introduction port 123.

In some embodiments of the present invention, a clamping groove 210 is formed on a side of the cover body 200 away from the cervical holder 120, the connecting section 124 is disposed to protrude from the second administration section 125, and at least a portion of the connecting section 124 is bent toward the center of the second administration section 125 and clamped in the clamping groove 210.

For example, as shown in fig. 4 to 5, a clamping groove 210 is formed on a side of the cover body 200 away from the cervical holder 120, the connecting section 124 is disposed to protrude relative to the second administration section 125, and at least a portion of the connecting section 124 is bent toward the center of the second administration section 125 and clamped in the clamping groove 210. The connecting section 124 can reliably wrap the gap between the edge of the cover body 200 and the cervical holder 120, and prevent the medicine from leaking out of the edge of the cover body 200; moreover, the connecting section 124 and the clamping groove 210 are clamped with each other, so that the installation is simple and convenient.

It is understood that the size, shape, etc. of the snap groove 210 are not limited, and can be set according to actual requirements.

In some embodiments of the present invention, the side of the engaging groove 210 close to the cervical holder 120 is provided with an inclined groove wall 211, and the inclined groove wall 211 is inclined toward the cervical holder 120 in a direction from the edge of the cover body 200 to the center.

For example, as shown in fig. 4 to 5, the engaging groove 210 is provided with an inclined groove wall 211 on a side close to the cervical holder 120, and the inclined groove wall 211 is inclined in a direction close to the cervical holder 120 in a direction from the edge of the cover body 200 to the center. When taking out the cervical administration indwelling device, the cover body 200 may be deformed in a direction away from the cervical holder 120, causing the connecting section 124 to slip from the engaging groove 210, so that a groove wall of the engaging groove 210 on a side close to the cervical holder 120 may be set as an inclined groove wall 211, and the inclined groove wall 211 is inclined in a direction close to the cervical holder 120 in a direction from the edge of the cover body 200 to the center, thereby preventing the connecting section 124 from falling from the engaging groove 210.

In some embodiments of the present invention, cervical administration indwelling device further comprises a handle 300, and the handle 300 is connected to the cap body 200.

For example, as shown in fig. 2 to 5, cervical administration indwelling device further comprises handle 300, handle 300 is connected to cover body 200, and the operation is easy by pulling handle 300 to remove cervical administration indwelling device from vagina.

It is understood that the handle 300 and the cover body 200 may be integrally formed to improve reliability in use. The connecting position of the handle 300 is not limited, and can be set according to actual requirements, for example, referring to fig. 3 to 5, the handle 300 can be connected to the center of the cover body 200, when the handle 300 is pulled to take out the cervical administration indwelling device, the force applied to the administration member 100 is uniform, which is convenient for taking out the cervical administration indwelling device smoothly.

In some embodiments of the present invention, the handle 300 comprises a hand-held portion 310 and a connecting portion 320, one end of the connecting portion 320 is connected to the cover body 200, the other end of the connecting portion 320 is connected to the hand-held portion 310, and the cross-sectional area of at least a portion of the hand-held portion 310 is larger than the cross-sectional area of the connecting portion 320 in a direction perpendicular to the direction in which the cover body 200 and the administration member 100 are connected to each other.

For example, as shown in fig. 2 to 5, the handle 300 comprises a hand-held portion 310 and a connecting portion 320, one end of the connecting portion 320 is connected to the cover body 200, the other end of the connecting portion 320 is connected to the hand-held portion 310, the cross-sectional area of a part of the hand-held portion 310 is larger than that of the connecting portion 320 in the direction perpendicular to the direction in which the cover body 200 and the administration member 100 are connected to each other, when the handle 300 is pulled to remove the cervical administration indwelling device from the vagina, fingers can be held at the position with the larger cross-sectional area, so as to apply force.

It is understood that the size, shape, etc. of the hand-held portion 310 and the connecting portion 320 are not limited, and may be set according to actual requirements. For example, as shown in fig. 2 to 5, the handle 310 may be spherical, the connecting portion 320 may be cylindrical, and the overall outer contour of the handle 300 is smooth, so as to improve the comfort of the patient, and it should be noted that the diameter of the spherical handle 310 should be larger than the diameter of the cylindrical connecting portion 320.

In some embodiments of the present invention, the cervical drug delivery indwelling device further comprises a drug supply tube 400, and the drug supply tube 400 is communicated with the drug accommodating chamber 121.

For example, as shown in fig. 8, the cervical administration indwelling device further includes a medicine supply tube 400, and the medicine supply tube 400 communicates with the medicine accommodating chamber 121. The medicine supply pipe 400 can continuously supply medicine to the medicine accommodating cavity 121, and the cervix medicine administration indwelling device can be only put into a patient with large required medicine amount, so that the treatment can be completed through the continuous medicine supply of the medicine supply pipe 400, and the treatment efficiency can be improved.

It is understood that the connection position of the drug supply tube 400 is not limited, and the drug can be supplied to the drug containing cavity 121, for example, referring to fig. 8, the drug supply tube 400 can be connected to the hand-held portion 310 of the handle 300, and the extension direction of the drug supply tube 400 is substantially the same as the extension direction of the handle 300, which can facilitate the placement; the drug supply tube 400 may be connected to the connection portion 320 of the handle 300, the lid 200, or the like.

In some embodiments of the present invention, a one-way valve 410 is disposed on the administration tube 400.

For example, as shown in fig. 8, a check valve 410 is disposed on the drug delivery tube 400, and the check valve 410 can prevent the drug from flowing backwards, thereby ensuring the continuity of drug delivery.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.