CN108186089A - A kind of uterine cavity stent - Google Patents
A kind of uterine cavity stent Download PDFInfo
- Publication number
- CN108186089A CN108186089A CN201810012968.4A CN201810012968A CN108186089A CN 108186089 A CN108186089 A CN 108186089A CN 201810012968 A CN201810012968 A CN 201810012968A CN 108186089 A CN108186089 A CN 108186089A
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- China
- Prior art keywords
- uterine cavity
- ring
- uterus
- contraceptive ring
- uterus shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61B17/4241—Instruments for manoeuvring or retracting the uterus, e.g. during laparoscopic surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
-
- A61M1/0023—
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Gynecology & Obstetrics (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention relates to a kind of uterine cavity stents, can be stretched into uterine cavity and according to the molding uterus shape contraceptive ring of uterine cavity inner wall shape including upper end, the uterus shape contraceptive ring lower end is equipped with according to the molding connection ring of lower uterine segment peripheral shape；The uterus shape contraceptive ring is made of elastic material, and hardness is 50 70HRC；The uterus shape contraceptive ring inner ring and connection ring inner ring are equipped with film.Uterine cavity stent uterus shape contraceptive ring of the present invention will not do harm to huamn body, and uterus shape contraceptive ring, connection ring and film can effectively prevent the adhesion again of uterine cavity front and rear wall, two side, both sides palace angle and lower uterine segment；And the hardness of uterus shape contraceptive ring can ensure that it preferably can play uterine cavity good supporting role by uterine neck and after reaching uterine cavity well with the periphery of uterus inner wall phase appropriateness.
Description
Technical field
The present invention relates to medical instruments field, the uterine cavity stent of specifically a kind of gynaecology.
Background technology
Asherman's syndrom is the pathological phenomenon that part or all of adhesion is formed after being damaged due to inner membrane of uterine cavity, as induced abortion,
The palace of the Qing Dynasty after the commotio retinae palace of the Qing Dynasty, induction of labour in second trimester or term birth, the diagnostic curettage of non-pregnancy uterus, myomectomy,
Myomatectomy under mucous membrane, endometrectomy etc. can cause Asherman's syndrom under hysteroscope, can usually cause menoxenia, such as
Miscarriage, premature labor, ectopic pregnancy, Intrauterine Fetal Death, Placenta acrreta, placenta accreta easily occur for hypomenorrhia or amenorrhoea etc., patient
Even infertile or hematocele in uterine cavity.Four processes are generally divided into for the treatment of Asherman's syndrom at present：1. operative treatment：Standard hand
Art room hysteroscope operation；2. prevent Asherman's syndrom again：Placement of intrauterine devices, uterine cavity place water pocket in uterine cavity, uterine cavity is placed
Beaded support, Sodium Hyaluronate preventing adhesions etc.；3. promote endometrium regenerative therapy：Hormone therapy, stem-cell therapy etc.；4. art
Assess therapeutic effect again afterwards：Hysteroscope operation, hysteroscopy, ultrasonic evaluation therapeutic effect again.Hysteroscope operation is to control
Treat the most common method of Asherman's syndrom, but it is serious Asherman's syndrom is postoperative that Asherman's syndrom easily occurs again, for severe in solving
The postoperative uterine cavity of Asherman's syndrom again adhesion the problem of, need in uterine cavity placement of intrauterine devices joint Sodium Hyaluronate, estrogen,
Foley's tube and amniotic cavity transplanting are come the problem of preventing adhesion again.In clinical position for many years, uterine cavity stent derives
Various shapes include round, T shapes and palace shape, and Middle Palace shape is since profile and uterine cavity shape are more close, prevent Asherman's syndrom
Effect is more preferably clinically more paid attention to.Uterine cavity stent puts emphasis disclosed in Chinese patent ZL201611271206.3
In the prevention of Asherman's syndrom above uterine cavity hypomere, and can often there be the disease of lower uterine segment adhesion in actual clinical work
People, but the adhesion position that such uterus shape contraceptive ring is difficult to cover such patient in dissection due to it, cause Asherman's syndrom finally to be prevented
It is bad to control effect；Chinese patent ZL201420415502.6 highlights the design of tail portion, but its tail structure and lower uterine segment three
Angular shape is not inconsistent, and can not adapt to the practical Asherman's syndrom situation of different patients；Chinese patent ZL201220070407.8 palaces
The preferable drainage palace intracavity liquid of the special S types film design energy of chamber stent, but the uterine cavity part that center does not cover film does not have
There is prevention adhesion well, so as to influence final curative effect.
Invention content
In view of the above-mentioned problems, the present invention provide it is a kind of to human body side effect very little, place more easy, therapeutic domain more
Extensively, better individuation uterine cavity stent.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of uterine cavity stent, can stretch into including upper end
In uterine cavity and according to the molding uterus shape contraceptive ring of uterine cavity inner wall shape, the uterus shape contraceptive ring lower end is equipped with molding according to lower uterine segment peripheral shape
Connection ring.
Preferably, the uterus shape contraceptive ring is made of elastic material, hardness 50-70HRC.
Preferably, the uterus shape contraceptive ring inner ring and connection ring inner ring are equipped with film.
Preferably, the connection ring is with one section of the uterus shape contraceptive ring lower end subtriangular closed loop for a line.
Preferably, the connection ring lower end is equipped with the water conservancy diversion tail portion that can cut length.
Preferably, the uterus shape contraceptive ring, connection ring, water conservancy diversion tail portion and film are an integral molding structure.
Preferably, it is radially provided at least one drainage trough in uterus shape contraceptive ring lower end edge.
Preferably, the uterus shape contraceptive ring is axially symmetric structure, it is equipped with upper and lower hole on the film in uterus shape contraceptive ring, in lower opening
The heart is located on the axis of uterus shape contraceptive ring, and upper hole and axis are tangent.
Preferably, the lower opening is connected at least one drainage trough.
Preferably, bar-shaped trough is offered along its length on the water conservancy diversion tail portion.
As can be known from the above technical solutions, uterine cavity stent uterus shape contraceptive ring of the present invention will not do harm to huamn body, and uterus shape contraceptive ring,
Connection ring and film can effectively prevent the adhesion again of uterine cavity front and rear wall, two side, both sides palace angle and lower uterine segment；And palace
The hardness of shape ring can ensure its can preferably by uterine neck and reach can be well with uterus inner wall after uterine cavity periphery be affixed
It cuts, good supporting role is played to uterine cavity.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Specific embodiment
Below in conjunction with Fig. 1, the present invention will be described in detail, and illustrative examples of the invention and explanation are used for explaining herein
The present invention, but it is not as a limitation of the invention.
A kind of uterine cavity stent can be stretched into including upper end in uterine cavity and according to the molding uterus shape contraceptive ring 1 of uterine cavity inner wall shape, uterus shape contraceptive ring
It is made of elastic material, hardness 50-70HRC, uterus shape contraceptive ring can cause very much to be not easy to put uterine cavity into firmly, even if putting palace into reluctantly
Also uterus inner tissue can be oppressed after chamber, human body is caused to damage；But it may insure palace shape within the hardness range of 50-70HRC
Ring can be deformed when passing through opening of the cervix, and can revert to the shape identical with uterine cavity profile size rapidly after reaching uterine cavity,
So as to effectively play its effect.Its elastomeric material is using implantable medical material, such as silica gel, Polyurethane.The palace of the present invention
Shape ring lower end is equipped with according to the molding connection ring 2 of lower uterine segment peripheral shape, can prevent lower uterine segment adhesion.It is of the invention as a result,
Using uterus shape contraceptive ring and the fit system of connection ring, the adhesion of uterine cavity is more fully prevented, better protection is played to uterus
Effect.
In implementation process, connection ring 2 is with one section of the uterus shape contraceptive ring lower end subtriangular closed loop for a line, is added
Simply, conveniently, preventing adhesiving effect is preferable for work；The uterus shape contraceptive ring inner ring and connection ring inner ring are equipped with film 3.Film thickness is very heavy
Will, it is too thick that compressing inner membrance is had for patient and causes to damage, and have apparent sense of discomfort, patient is come
It says and also increases difficulty, it is not easy to pass in and out opening of the cervix.Therefore, the thickness of film is the most suitable with 0.5 ± 0.15mm.The present invention is logical
Uterus shape contraceptive ring, connection ring and film are crossed, uterine cavity front and rear wall, two side, both sides palace angle and lower uterine segment can be effectively prevent again
Secondary adhesion, so as to prevent metrosynizesis in all directions.
The present invention is also equipped with the water conservancy diversion tail portion 4 that can cut length in connection ring lower end.In implementation process, tail portion is located at palace
In cervical canal between neck internal orifice and collar extension, Asherman's syndrom can be prevented in this way and prevent uterine cavity hypomere and uterine neck internal orifice from gluing
Even, the drainage of hydrops in uterine cavity is also helped, and its length can also be cut according to patient's Asherman's syndrom actual conditions,
Be conducive to the prevention of Asherman's syndrom, while also save resource, be conducive to control cost and reduce the medical expense of patient.It is described
Uterus shape contraceptive ring, connection ring, water conservancy diversion tail portion and film are an integral molding structure, and sound construction processes simple, at low cost, adaptability
By force.Connection ring specific size, the specific length in tail portion, the specific range of hardness, the specific thickness of film and implantable medical material are specific
Type can be reasonably selected according to actual conditions.Preferably, for the hardness of connection ring and tail portion, range is also with 50-
70HRC is advisable；In general, the size of connection ring can be 8mm with one section of length for a line of uterus shape contraceptive ring lower end, connection
Ring thickness is 2 ± 0.5mm, so as to better adapt to uterus.
It is radially provided at least one drainage trough 5 to the uterus shape contraceptive ring lower end edge of the present invention, can be used two in implementation process, three,
Four etc., drainage trough can preferably drain intrauterine liquid, reduce the probability infected in uterine cavity；Axis pair can be used in uterus shape contraceptive ring
Claim structure, be equipped with upper and lower hole on the film in uterus shape contraceptive ring, 11 center of lower opening is located on the axis of uterus shape contraceptive ring, upper hole 12 and axis
Line is tangent.Asymmetric upper and lower hole is designed so that stent is easier to be put into uterine cavity；Wherein, since upper hole and axis are tangent, partially
From in uterus shape contraceptive ring axis, be conducive to by long and narrow cervical canal, lower opening center be located on axis when uterine cavity stent is placed, radius
Less than upper pore radius, and it is tangent with uterus shape contraceptive ring lower end, stent is put by uterine neck in uterine cavity in this way, is reduced to relaxation of cervix
The requirement of degree；The hypomere of uterus shape contraceptive ring of the present invention is set there are three drainage trough, greatly improves drainage effect, one of drainage trough is located at
Lower opening and uterus shape contraceptive ring the tangent, connect with lower opening, are more advantageous to draining palace intracavity liquid, reduce the risk of infection；
The present invention offers bar-shaped trough 41 along its length on the water conservancy diversion tail portion, so as to the liquid that will be flowed out from drainage trough
Liquid export on body and the film of connection ring.In implementation process, the groove width about 1mm of bar-shaped trough, length about 30mm, every
Recess 42 is set in the width direction every the position of 2-5mm, can accelerate to drain, tapping, is further reduced the risk of infection.
The technical solution provided above the embodiment of the present invention is described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above example is only applicable to help to understand this
The principle of inventive embodiments；Meanwhile for those of ordinary skill in the art, embodiment according to the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (10)
1. a kind of uterine cavity stent can be stretched into including upper end in uterine cavity and according to the molding uterus shape contraceptive ring of uterine cavity inner wall shape, feature exists
In：The uterus shape contraceptive ring lower end is equipped with according to the molding connection ring of lower uterine segment peripheral shape.
2. uterine cavity stent according to claim 1, it is characterised in that：The uterus shape contraceptive ring is made of elastic material, hardness
For 50-70HRC.
3. uterine cavity stent according to claim 1 or claim 2, it is characterised in that：The uterus shape contraceptive ring inner ring and connection ring inner ring are all provided with
There is film.
4. uterine cavity stent according to claim 1 or claim 2, it is characterised in that：The connection ring is with one section of uterus shape contraceptive ring lower end
Subtriangular closed loop for a line.
5. uterine cavity stent according to claim 3, it is characterised in that：The connection ring lower end is equipped with the water conservancy diversion that can cut length
Tail portion.
6. uterine cavity stent according to claim 5, it is characterised in that：The uterus shape contraceptive ring, connection ring, water conservancy diversion tail portion and film are
Integrated formed structure.
7. uterine cavity stent according to claim 1, it is characterised in that：In uterus shape contraceptive ring lower end edge, it is radially provided at least one draw
Chute.
8. uterine cavity stent according to claim 7, it is characterised in that：The uterus shape contraceptive ring is axially symmetric structure, in uterus shape contraceptive ring
Film be equipped with upper and lower hole, lower opening center is located on the axis of uterus shape contraceptive ring, and upper hole and axis are tangent.
9. uterine cavity stent according to claim 8, it is characterised in that：The lower opening is connected at least one drainage trough.
10. uterine cavity stent according to claim 5, it is characterised in that：It is opened up along its length on the water conservancy diversion tail portion
There is bar-shaped trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012968.4A CN108186089A (en) | 2018-01-08 | 2018-01-08 | A kind of uterine cavity stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012968.4A CN108186089A (en) | 2018-01-08 | 2018-01-08 | A kind of uterine cavity stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108186089A true CN108186089A (en) | 2018-06-22 |
Family
ID=62588064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810012968.4A Withdrawn CN108186089A (en) | 2018-01-08 | 2018-01-08 | A kind of uterine cavity stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108186089A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559061A (en) * | 2019-09-29 | 2019-12-13 | 安徽创孚医疗科技有限公司 | anti-adhesion tension-free uterine cavity conformable barrier and using method thereof |
| CN111973868A (en) * | 2020-09-23 | 2020-11-24 | 湖南科迈森医疗科技有限公司 | Balloon stent capable of preventing intrauterine adhesion and medicine overflow |
| CN109157274B (en) * | 2018-10-24 | 2023-10-20 | 蔡华蕾 | Anti-adhesion uterine cavity bracket and application method thereof |
-
2018
- 2018-01-08 CN CN201810012968.4A patent/CN108186089A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157274B (en) * | 2018-10-24 | 2023-10-20 | 蔡华蕾 | Anti-adhesion uterine cavity bracket and application method thereof |
| CN110559061A (en) * | 2019-09-29 | 2019-12-13 | 安徽创孚医疗科技有限公司 | anti-adhesion tension-free uterine cavity conformable barrier and using method thereof |
| CN110559061B (en) * | 2019-09-29 | 2024-02-27 | 安徽创孚医疗科技有限公司 | Anti-adhesion Zhang Ligong-cavity-free adaptive barrier and application method thereof |
| CN111973868A (en) * | 2020-09-23 | 2020-11-24 | 湖南科迈森医疗科技有限公司 | Balloon stent capable of preventing intrauterine adhesion and medicine overflow |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180622 |