CN112971946A - Cervical surgery thimble assembly with scale - Google Patents
Cervical surgery thimble assembly with scale Download PDFInfo
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- CN112971946A CN112971946A CN202110498328.0A CN202110498328A CN112971946A CN 112971946 A CN112971946 A CN 112971946A CN 202110498328 A CN202110498328 A CN 202110498328A CN 112971946 A CN112971946 A CN 112971946A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B2017/4216—Operations on uterus, e.g. endometrium
- A61B2017/4225—Cervix uteri
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Abstract
The invention discloses a cervical surgery cannula assembly with scales, which comprises: a uterine dilatation balloon; a balloon catheter in communication with the uterine dilation balloon; the inner sleeve is provided with scales at a preset position; an outer sleeve; when in use, the uterus expanding saccule is firstly placed into the uterine cavity, and liquid is injected into the uterus expanding saccule through the saccule catheter, so that the uterus expanding saccule expands in the uterine cavity and props against the inner opening of the cervix; and sleeving the inner sleeve on the outer side of the balloon catheter, and enabling the front end of the inner sleeve to prop against the inner cervix opening. The length of the cervix uteri can be accurately measured in the process of the cervicitis removal operation, the length of the residual cervix uteri is removed, an operator of the cervicitis removal operation can conveniently and accurately obtain the length information of the removed cervix uteri, and the operator can conveniently and completely remove the cervix uteri without damaging the uterus.
Description
Technical Field
The invention relates to the field of cervical cannulas, in particular to a graduated cervical surgical cannula assembly.
Background
Cervictomy is a surgical treatment protocol for benign diseases of the cervix. In the cervicitis operation, because the operation path is operated through the vagina, the operator can not accurately judge the depth of the resection part from the cervical internal orifice, thereby leading the operator to be difficult to completely resect the cervical focus and simultaneously ensuring that the uterus is not injured.
Accordingly, there is a need for improvements to existing endocervectomy instruments.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a graduated cervical surgical cannula assembly, which can accurately measure the length of a cervix during a cervicitis procedure, resect the length of the remaining cervix, facilitate an operator of the cervicitis procedure to accurately obtain the length information of the resected cervix, and facilitate the operator to completely resect the cervix without damaging the uterus.
To achieve the above object, the present invention provides a cervical surgical cannula assembly with graduations, comprising:
a uterine dilatation balloon;
a balloon catheter in communication with the uterine dilation balloon;
the inner sleeve is provided with scales at a preset position;
an outer sleeve;
when in use, the uterus expanding saccule is firstly placed into the uterine cavity, and liquid is injected into the uterus expanding saccule through the saccule catheter, so that the uterus expanding saccule expands in the uterine cavity and props against the inner opening of the cervix;
sleeving the inner sleeve on the outer side of the balloon catheter, and enabling the front end of the inner sleeve to prop against the inner cervix opening;
sleeving the outer sleeve on the outer side of the inner sleeve, enabling the front end of the outer sleeve to abut against the external cervical orifice, and reading a first scale value corresponding to a preset mark on the outer sleeve on the inner sleeve; when the front end of the outer sleeve is aligned with the front end of the inner sleeve, the preset mark on the outer sleeve is a second scale corresponding to the scale on the inner sleeve; the length of the cervix can be acquired based on the first scale and the second scale.
Preferably, the length of the outer sleeve is smaller than that of the inner sleeve, and the rear end of the outer sleeve is the preset mark.
Preferably, the preset position of the rear end of the outer sleeve is provided with a transparent area, and the preset position of the transparent area is provided with the preset mark.
Preferably, the connection between the balloon catheter and the uterine dilatation balloon is provided with a limiting part which extends outwards from the balloon catheter in the radial direction; the front end of the inner sleeve abuts against the limiting part, and the limiting part is used for limiting the extending depth of the inner sleeve.
Preferably, the outer side wall of the balloon catheter is provided with a first sliding limiting part, and the inner wall of the inner sleeve is provided with a second sliding limiting part; in the process that the inner sleeve is sleeved on the balloon catheter, the first sliding limiting part is matched with the second sliding limiting part so as to limit the motion path of the inner sleeve.
Preferably, the first slide limiting part has a first slide groove, the second slide limiting part has a second slide protrusion, the shape and size of the second slide protrusion are matched with the shape of the first slide groove, and the second slide protrusion can slide along the extending direction of the first slide groove;
or, the first sliding limiting part is provided with a first sliding protrusion, the second sliding limiting part is provided with a second sliding groove, the shape and size of the first sliding protrusion are matched with the shape of the second sliding groove, and the first sliding protrusion can slide along the extending direction of the second sliding groove.
Preferably, the first sliding groove extends along the length extension direction of the balloon catheter in a bending way;
or, the second sliding groove extends along the length extension direction of the inner sleeve in a bending way.
Preferably, the outer side wall of the inner sleeve is provided with a third sliding limiting part, and the inner wall of the outer sleeve is provided with a fourth sliding limiting part; in the process that the outer sleeve is sleeved on the inner sleeve, the third sliding limiting part is matched with the fourth sliding limiting part so as to limit the motion path of the outer sleeve.
Preferably, the third slide limiting portion has a third slide groove, the fourth slide limiting portion has a fourth slide projection, the shape and size of the fourth slide projection are matched with the shape of the third slide groove, and the fourth slide projection can slide along the extending direction of the third slide groove;
or, the third sliding limiting part is provided with a third sliding protrusion, the fourth sliding limiting part is provided with a fourth sliding groove, the shape and size of the third sliding protrusion are matched with the shape of the fourth sliding groove, and the third sliding protrusion can slide along the extending direction of the fourth sliding groove.
Preferably, the front end of the inner sleeve is wedge-shaped.
Preferably, the front end of the outer sleeve has an abutment extending towards the central axis of the outer sleeve, the abutment being capable of abutting against the distal end of the cervix.
Preferably, after a part of cervix is resected, the inner sleeve is sleeved on the balloon catheter, and the front end of the inner sleeve is pressed against the inner opening of the cervix; sleeving the outer sleeve on the outer side of the inner sleeve, and enabling the front end of the outer sleeve to abut against the most far end of the cut cervix; reading a third scale of the scale on the inner sleeve corresponding to the preset mark on the outer sleeve; the cervical strength remaining after the cutting can be acquired based on the second scale and the third scale.
Compared with the prior art, the graduated cervical surgery sleeve assembly provided by the invention has at least one of the following beneficial effects:
1. the cervical surgery sleeve assembly with scales provided by the invention can accurately measure the length of the cervix in the process of a cervicitis resection operation, resect the length of the residual cervix, and is convenient for an operator of the cervicitis resection operation to accurately obtain the length information of the resected cervix, so that the operator can completely resect the cervix without damaging the uterus;
2. according to the cervical surgery sleeve assembly with scales, the inner sleeve and the balloon catheter are provided with the mutually matched sliding protrusion and sliding groove, the mutually matched sliding protrusion and sliding groove are arranged between the outer sleeve and the inner sleeve, the mutual assembly type limiting can be realized, and the stability of the assembly process is improved;
3. according to the cervical surgery sleeve assembly with scales, the sliding grooves on the balloon catheter and the inner sleeve are respectively bent and extended, so that the inner sleeve or the outer sleeve continuously rotates in the process of extending in the installation process, and secondary damage to a human body is avoided.
Drawings
The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.
FIG. 1 is an exploded view of a graduated cervical surgical cannula assembly in accordance with a preferred embodiment of the present invention;
FIG. 2 is an assembly view of a graduated cervical surgical cannula assembly of a preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a cross-sectional view of a modified embodiment of the graduated uterine cavity surgical cannula assembly of the preferred embodiment of the present invention;
FIG. 6 is an enlarged view at B in FIG. 5;
FIG. 7 is a top view of a graduated uterine cavity surgical cannula assembly in accordance with a preferred embodiment of the present invention;
FIG. 8 is a perspective view of the inner cannula of the graduated uterine cavity surgical cannula assembly of the preferred embodiment of the present invention;
fig. 9 is a perspective view of a modified embodiment of the inner cannula of the graduated uterine cavity surgical cannula assembly of the preferred embodiment of the present invention.
The reference numbers illustrate:
the uterine cavity expanding balloon comprises a uterine cavity expanding balloon 1, a balloon catheter 2, a limiting part 21, a first sliding limiting part 22, a first sliding groove 220, an inner sleeve 3, a second sliding limiting part 31, a second sliding protrusion 311, a third sliding limiting part 32, a third sliding groove 320, scales 30, an outer sleeve 4, a fourth sliding limiting part 41, a fourth sliding protrusion 411, an abutting part 42, an inner cervical opening 501 and an outer cervical opening 502.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
Example 1
Referring to fig. 1 to 9 of the specification, the present invention provides a graduated cervical surgical cannula assembly capable of accurately measuring the length of a cervix during a cervicitis procedure to resect the length of a remaining cervix, facilitating an operator of the cervicitis procedure to accurately obtain information on the length of the resected cervix, and facilitating the operator to completely resect the cervix without damaging the uterus.
Referring to the attached fig. 1, 2 and 3 of the specification, in particular, the graduated cervical surgical cannula assembly comprises a dilatation balloon 1, a balloon catheter 2, an inner cannula 3 and an outer cannula 4. The balloon catheter 2 is communicated with the uterine dilatation balloon 1; the preset position of the inner sleeve 3 has a scale 30.
When in use, the uterus expanding sacculus 1 is firstly placed into a uterine cavity, liquid is injected into the uterus expanding sacculus 1 through the sacculus catheter 2, so that the uterus expanding sacculus 1 expands in the uterine cavity and props against an inner cervix opening 501; sleeving the inner sleeve 3 outside the balloon catheter 2, and enabling the front end of the inner sleeve 3 to abut against the inner cervix 501; sleeving the outer sleeve 4 on the outer side of the inner sleeve 3, enabling the front end of the outer sleeve 4 to abut against the external cervical os 502, and reading a first scale value on the inner sleeve 3 corresponding to a preset mark on the outer sleeve 4; when the front end of the outer sleeve 4 is aligned with the front end of the inner sleeve 3, the preset mark on the outer sleeve 4 is a second scale corresponding to the scale on the inner sleeve 3; the length of the cervix can be acquired based on the first scale and the second scale.
It should be noted that, before the graduated cervical surgical cannula assembly provided by the present invention is used, the outer cannula 4 is sleeved on the outer side of the inner cannula 3, and the front end of the inner cannula 3 is aligned with the front end of the outer cannula 4, so as to read the second graduation value of the inner cannula 3 corresponding to the preset mark on the outer cannula 4. The length of the cervix may be obtained based on the difference between the first scale and the second scale.
Preferably, the length of the outer sleeve 4 is smaller than the length of the inner sleeve 3, the rear end of the outer sleeve 4 is the preset mark, and the preset position of the rear end of the inner sleeve 3 is provided with a scale. In the process of reading the scale value, only the scale on the inner sleeve 3 corresponding to the rear end of the outer sleeve 4 needs to be read, and the scale value is convenient to read.
Optionally, in a variant embodiment of the invention, the preset position of the rear end of the outer sleeve 4 has a transparent area, and the preset position of the transparent area has the preset mark. In the present modified embodiment, the preset mark is a horizontal line provided in the transparent region, and the scale value on the inner tube 3 corresponding to the preset mark can be read through the transparent region.
Referring to the description of fig. 4, further, the connection between the balloon catheter 2 and the uterine dilatation balloon 1 is provided with a limiting member 21 extending radially outwards from the balloon catheter 2; the front end of the inner sleeve 3 abuts against the limiting part 21, and the limiting part 21 is used for limiting the extending depth of the inner sleeve 3. The limiting part 21 can limit the moving depth of the inner sleeve 3 along the balloon catheter 2, and prevent the inner sleeve 3 from moving a deep distance along the inner sleeve 3 to damage the uterine distention balloon 1. On the other hand, the limiting member 21 can make the front end of the inner sleeve 3 align with the internal cervical opening 501 quickly, so as to improve the measurement efficiency and the accuracy of the measurement result. It should be noted that, after the womb expanding balloon 1 is filled with liquid, the position of the connection between the balloon catheter 2 and the womb expanding balloon 1 corresponds to the position of the internal cervical opening 501, and when the front end of the inner sleeve 3 abuts against the limiting member 21, the front end of the inner sleeve 3 is also aligned with the internal cervical opening 501.
Referring to the description of fig. 7, the outer side wall of the balloon catheter 2 is provided with a first slide limiting part 22, and the inner wall of the inner sleeve 3 is provided with a second slide limiting part 31; in the process that the inner sleeve 3 is sleeved on the balloon catheter 2, the first sliding limiting part 22 and the second sliding limiting part 31 are matched to limit the movement path of the inner sleeve 3.
Specifically, the first slide position-limiting portion 22 has a first slide groove 220, the second slide position-limiting portion 31 has a second slide protrusion 311, the shape and size of the second slide protrusion 311 are matched with the shape 220 of the first slide groove, and the second slide protrusion 311 can slide along the extending direction of the first slide groove 220.
Referring to fig. 8, the first sliding groove 220 preferably extends along the length of the balloon catheter 2. That is, in the process that the inner sleeve 3 is sleeved on the balloon catheter 2, the inner sleeve 3 needs to be rotated relative to the balloon catheter 2 to be able to be installed forwards, so as to avoid the secondary injury to the cervix caused by the vertical installation of the inner sleeve 3 relative to the balloon catheter 2.
Referring to fig. 9 in the specification, alternatively, in a modified embodiment of the present invention, the first slide limiting portion 22 has a first slide protrusion, the second slide limiting portion 31 has a second slide groove, the shape and size of the first slide protrusion are matched with the shape of the second slide groove, and the first slide protrusion can slide along the extending direction of the second slide groove. The second sliding groove extends along the length extension direction of the inner sleeve in a bending way.
Referring to fig. 7 in the specification, further, the outer side wall of the inner sleeve 3 is provided with a third slide limiting part 32, and the inner wall of the outer sleeve 4 is provided with a fourth slide limiting part 41; in the process of arranging the outer sleeve 4 on the inner sleeve 3, the third slide limiting portion 32 and the fourth slide limiting portion 41 cooperate to limit the movement path of the outer sleeve 4.
Further, the third slide position-limiting portion 32 has a third slide groove 320, the fourth slide position-limiting portion 41 has a fourth slide protrusion 411, the shape and size of the fourth slide protrusion 411 are matched with the shape of the third slide groove 320, and the fourth slide protrusion 411 can slide along the extending direction of the third slide groove 320.
Alternatively, in a modified embodiment of the present invention, the third slide position-limiting portion 32 has a third slide protrusion, the fourth slide position-limiting portion 41 has a fourth slide groove, the shape and size of the third slide protrusion are matched with the shape of the fourth slide groove, and the third slide protrusion can slide along the extending direction of the fourth slide groove.
With reference to fig. 1 of the specification, the front end of the inner sleeve 3 is wedge-shaped. The wedge-shaped front end of the inner sleeve 3 can facilitate the inner sleeve 3 to stretch into the cervix, so that secondary damage to the cervix in the stretching process is avoided.
Referring to fig. 5 and 6 of the specification, in a variant embodiment of the outer sleeve 4, the front end of the outer sleeve 4 has an abutment 42 extending towards the central axis of the outer sleeve 4, the abutment 42 being capable of abutting against the distal end of the cervix. In use, the abutment member 42 can abut against the outer end of the cervix to facilitate positioning of the outer sleeve 4.
After a part of cervix is resected, sleeving the inner sleeve 3 on the balloon catheter 2, and enabling the front end of the inner sleeve 3 to abut against the inner opening of the cervix; sleeving the outer sleeve 4 on the outer side of the inner sleeve 3, and enabling the front end of the outer sleeve 4 to abut against the most far end of the cut cervix; reading a third scale of the scale on the inner sleeve 3 corresponding to the preset mark on the outer sleeve 4; the cervical strength remaining after the cutting can be acquired based on the second scale and the third scale.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (12)
1. Cervical surgery thimble assembly with scale, its characterized in that includes:
a uterine dilatation balloon;
a balloon catheter in communication with the uterine dilation balloon;
the inner sleeve is provided with scales at a preset position;
an outer sleeve;
when in use, the uterus expanding saccule is firstly placed into the uterine cavity, and liquid is injected into the uterus expanding saccule through the saccule catheter, so that the uterus expanding saccule expands in the uterine cavity and props against the inner opening of the cervix;
sleeving the inner sleeve on the outer side of the balloon catheter, and enabling the front end of the inner sleeve to prop against the inner cervix opening;
sleeving the outer sleeve on the outer side of the inner sleeve, enabling the front end of the outer sleeve to abut against the external cervical orifice, and reading a first scale value corresponding to a preset mark on the outer sleeve on the inner sleeve; when the front end of the outer sleeve is aligned with the front end of the inner sleeve, the preset mark on the outer sleeve is a second scale corresponding to the scale on the inner sleeve; the length of the cervix can be acquired based on the first scale and the second scale.
2. The graduated cervical surgical cannula assembly according to claim 1, wherein the outer cannula has a length less than the length of the inner cannula, the rear end of the outer cannula being the preset mark.
3. The graduated cervical surgical cannula assembly according to claim 1, wherein the rear preset position of the outer cannula has a transparent region, the preset position of the transparent region having the preset markings.
4. The graduated cervical surgical cannula assembly according to claim 1, wherein the junction of the balloon catheter and the uterine dilation balloon has a stop extending radially outward from the balloon catheter; the front end of the inner sleeve abuts against the limiting part, and the limiting part is used for limiting the extending depth of the inner sleeve.
5. The graduated cervical surgical cannula assembly according to claim 1, wherein the outer sidewall of the balloon catheter has a first slide stop and the inner wall of the inner cannula has a second slide stop; in the process that the inner sleeve is sleeved on the balloon catheter, the first sliding limiting part is matched with the second sliding limiting part so as to limit the motion path of the inner sleeve.
6. The graduated cervical surgical cannula assembly according to claim 5, wherein the first slide stop portion has a first slide groove, the second slide stop portion has a second slide protrusion having a shape and size adapted to the shape of the first slide groove, the second slide protrusion being slidable along the extending direction of the first slide groove;
or, the first sliding limiting part is provided with a first sliding protrusion, the second sliding limiting part is provided with a second sliding groove, the shape and size of the first sliding protrusion are matched with the shape of the second sliding groove, and the first sliding protrusion can slide along the extending direction of the second sliding groove.
7. The graduated cervical surgical cannula assembly according to claim 6, wherein the first sliding groove extends curvedly along a length extension direction of the balloon catheter;
or, the second sliding groove extends along the length extension direction of the inner sleeve in a bending way.
8. The graduated cervical surgical cannula assembly according to claim 6, wherein the outer sidewall of the inner cannula has a third slide stop and the inner wall of the outer cannula has a fourth slide stop; in the process that the outer sleeve is sleeved on the inner sleeve, the third sliding limiting part is matched with the fourth sliding limiting part so as to limit the motion path of the outer sleeve.
9. The graduated cervical surgical cannula assembly according to claim 8, wherein the third slide stop portion has a third slide groove, and the fourth slide stop portion has a fourth slide projection having a shape and size adapted to the shape of the third slide groove, the fourth slide projection being slidable along the extension direction of the third slide groove;
or, the third sliding limiting part is provided with a third sliding protrusion, the fourth sliding limiting part is provided with a fourth sliding groove, the shape and size of the third sliding protrusion are matched with the shape of the fourth sliding groove, and the third sliding protrusion can slide along the extending direction of the fourth sliding groove.
10. The graduated cervical surgical cannula assembly according to any one of claims 1-9, wherein the forward end of the inner cannula is wedge-shaped.
11. The graduated cervical surgical cannula assembly according to claim 10, wherein the forward end of the outer cannula has an abutment extending toward the central axis of the outer cannula, the abutment being abuttable to the distal end of the cervix.
12. The graduated cervical surgical cannula assembly according to claim 10, wherein after resecting a portion of the cervix, the inner cannula is sleeved on the balloon catheter with a front end of the inner cannula abutting against the internal os of the cervix; sleeving the outer sleeve on the outer side of the inner sleeve, and enabling the front end of the outer sleeve to abut against the most far end of the cut cervix; reading a third scale of the scale on the inner sleeve corresponding to the preset mark on the outer sleeve; the cervical strength remaining after the cutting can be acquired based on the second scale and the third scale.
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| CN202110498328.0A CN112971946A (en) | 2021-05-08 | 2021-05-08 | Cervical surgery thimble assembly with scale |
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| CN202110498328.0A CN112971946A (en) | 2021-05-08 | 2021-05-08 | Cervical surgery thimble assembly with scale |
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| CN212592121U (en) * | 2020-04-24 | 2021-02-26 | 王倩 | Uterus probe for clinical examination of obstetrics and gynecology department |
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