CN201899550U - Foldable type uterine cavity suction tube - Google Patents
Foldable type uterine cavity suction tube Download PDFInfo
- Publication number
- CN201899550U CN201899550U CN2010206594674U CN201020659467U CN201899550U CN 201899550 U CN201899550 U CN 201899550U CN 2010206594674 U CN2010206594674 U CN 2010206594674U CN 201020659467 U CN201020659467 U CN 201020659467U CN 201899550 U CN201899550 U CN 201899550U
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- Prior art keywords
- uterine cavity
- suction catheter
- cavity tissue
- interlude
- tube wall
- 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.)
- Expired - Fee Related
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- 239000000463 material Substances 0.000 claims description 28
- 206010000210 abortion Diseases 0.000 claims description 9
- 231100000176 abortion Toxicity 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 239000007779 soft material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 24
- 238000005452 bending Methods 0.000 description 12
- 210000004291 uterus Anatomy 0.000 description 5
- 208000007502 anemia Diseases 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 210000001161 mammalian embryo Anatomy 0.000 description 3
- 206010000217 Abortion incomplete Diseases 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 208000006630 Incomplete Abortion Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 230000035935 pregnancy Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000035820 Unilateral aplasia of the Müllerian ducts Diseases 0.000 description 1
- 206010046810 Uterine perforation Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 210000003679 cervix uteri Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229920002529 medical grade silicone Polymers 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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Abstract
The utility model relates to a medical appliance, in particular to a uterine cavity tissue suction tube, which comprises a front section tube body, a middle section tube body and a back section tube body, wherein the front section tube body, the middle section tube body and the back section tube body of the uterine cavity tissue suction tube are integrally formed, and the uterine cavity suction tube has the length being 290mm, wherein the front section tube body has the length being 40mm, the middle section tube body has the length being 50mm, the back section tube body has the length being 200mm, a foldable metal wire is arranged in the tube wall of a 40 to 80 mm position of the uterine cavity suction tube, the frontmost end of the front section tube body is a sealed end which is in a cap shape, and an elliptic opening is arranged on the tube wall near the sealed end. A uterine cavity tissue tube body of the uterine cavity tissue suction tube is made of medical soft materials, and in addition, more than one longitudinal metal wire is arranged in the uterine cavity tissue tube body, so the middle section tube body can be conveniently bent according to the requirements, and on the other hand, the uterine cavity tissue suction tube also has certain mechanical strength and rigidity in use after being bent.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, is specifically related to a kind of bent formula uterine cavity suction catheter.
Background technology
The uterine cavity suction catheter is the apparatus of clinical department of obstetrics and gynecology absorption uterine cavity inner tissue commonly used, is generally used for diagnosis or therapeutic dilatation and curettage, artificial abortion.
In the prior art, the uterine cavity suction catheter is generally the bending tube of straight tube or fixed in shape, for example:
1, the patent No. is that 200420019500 Chinese utility model patent discloses a kind of uterine cavity suction catheter, make by the PVC material, the body outer tube wall is provided with scale, one end is provided with an opening, the other end is the suction inlet head that is connected with the electric abortion suction unit conduit, and the body outer tube wall tightens suction pipe handle of cover; Suction pipe handle inwall has some anti-slip tanks vertically; Described opening shape is oval, oval-shaped major axis with attract tubular axis in the same way, oval-shaped length is 18 to 25mm, oval-shaped intermediate width is 2.5 to 3.5mm.The suction pipe handle has certain-length and favorable rigidity, suction catheter is divided into short two parts by it again, overcome the PVC material flexibility, increased rigidity, operator hold the suction pipe handle can arbitrarily handle the attraction tube head intrauterine mobile, the anti-slip tank of suction pipe handle inwall can prevent the rotation between handle and the suction catheter, and the pregnant capsule that can guarantee early pregnancy is by intactly sucking-off.In this technical scheme, elliptical openings is positioned near on the tube wall of body one end, the cross section of this plane, opening place and suction pipe is perpendicular, and still there is a bit of distance at the edge of opening far from the body top, therefore, when embryo nidation is bottom the uterus, because still there is a bit of distance at the edge of opening far from the body top, when using this uterine cavity suction catheter to undergo surgery, easily causes to leak and inhale, cause incomplete abortion, need be improved.
2, the patent No. is that 200620044836.2 Chinese utility model patent discloses a kind of uterine cavity suction catheter, it is a long tube, having near the head end sidewall of long tube attracts mouth, tail end is the interface head that is connected with the suction pump conduit, it is characterized in that: described long tube is divided into straightway and bending segment, bending segment is positioned at the front portion of long tube, becomes 8～15 ° angle with straightway.The structure of this uterine cavity suction catheter has the advantages that to meet the uterine cavity internal structure, has solved the part deficiency of traditional straight tube.In addition at the different gestation women in week, the external diameter and the wall thickness of suction catheter carried out design targetedly, solved the stiff problem of suction catheter, make the medical worker that greater flexibility and specific aim arranged aspect the selection of apparatus.Though be provided with bending segment in this technical scheme; but; if embryo nidation is in the rear wall or the pregnant person of developing womb unusual (palace class that unicornuate uterus or single cervix uteri are two) of bight, palace, retroposition of uterus; traditional dilatation and curettage pipe and above two newer dilatation and curettage pipes just have certain limitation; operating difficulties, regular meeting cause leaking scrape or inhale the palace incomplete, hemorrhage, infect and take place.
3, the patent No. is a kind of uterine cavity suction catheter that improves structure of Chinese utility model patent of 200820116829.8, the body outer tube wall is provided with scale, one end top is provided with an opening, the other end is the suction inlet head of the flue that is connected with the electric suction apparatus conduit, and the body outer tube wall is provided with the frosted district.Described opening shape is oval, and the one lateral edges is positioned at the body top and is positioned on the axis of body, and the opposite side edge of elliptical openings is positioned on the tube wall of body one end, and this plane, opening place becomes 55 °-75 ° with the cross section of suction pipe.Similarly, though be provided with bending segment in this technical scheme,, if embryo nidation in fundus of uterus or than off normal, still can't be operated easily and effectively, and easily cause perforation.
Therefore, need a kind of bent uterine cavity suction catheter of design, simultaneously, reduce the danger that the uterus is caused damage to tackle the situation at different implantations position.
Summary of the invention
This utility model purpose provides a kind of bent uterine cavity tissue suction catheter.
For achieving the above object, the technical solution adopted in the utility model is: a kind of bent uterine cavity tissue suction catheter, described uterine cavity tissue suction catheter comprises leading portion body, interlude body and back segment body, described leading portion body be blind end foremost, described blind end be shaped as the medicated cap shape, be provided with an elliptical openings near the tube wall of blind end; The body material of described interlude body is the medical flexible material, is provided with the tinsel of vertical arrangement in the tube wall, and described tinsel two ends are provided with medicated cap shape projection, can prevent that tinsel from passing tube wall; The tail end of described back segment body is provided with in the joint.
In the technique scheme, in the technique scheme, preferably, the leading portion body of described uterine cavity tissue suction catheter, interlude body and back segment body are one-body molded; Perhaps, interlude body socket leading portion body and back segment body.
In the technique scheme, the leading portion body of described uterine cavity tissue suction catheter is 30～40mm, and the interlude body is 50～80mm; Preferably, described uterine cavity suction catheter length is 290mm, and wherein the long 40mm of leading portion body, the long 50mm of interlude body and the long 200mm of back segment body are provided with bent tinsel in the tube wall at 40～80mm place of uterine cavity suction catheter.
In the technique scheme, described leading portion body be blind end foremost, described blind end be shaped as the medicated cap shape, preferably, blind end be shaped as hemispherical, thereby safer, can avoid producing in the operating process risk of perforation, tube wall near blind end is provided with an elliptical openings, and the long axis length of described elliptical openings is 8～15 millimeters, and minor axis length is 5～12 millimeters.
In the technique scheme, the body material of described interlude body is the medical flexible material, is selected from but is not limited to: medical grade silicon rubber material, medical polyvinyl (PVC) material etc.; Be provided with the tinsel of vertical arrangement in the tube wall, described thickness wiry is 0.1～0.2 millimeter, described longitudinal length wiry is littler 1～2 centimetre than the longitudinal length of interlude body, and preferably, the distance of the front end of described front end wiry and interlude body equals the distance of the rear end of described rear end wiry and interlude body, thereby can make the interlude body better seal socket with front end body, back segment body; Described metal can be selected from but be not limited to: materials such as rustless steel, aluminum; Because tinsel longitudinally is set in the flexible material tube wall more than one, therefore, the interlude body is bent with convenient, on the other hand, after the bending, during use, have certain mechanical strength and rigidity again.
In the technique scheme, the tail end of described back segment body is provided with joint, joint links to each other with the suction catheter of electric abortion suction unit, preferably, the joint of described back segment body tail end connects a hollow again and shakes hands, the surface that hollow is shaken hands is provided with anti-slip tank, and the hollow tail end of shaking hands is provided with joint, and joint links to each other with the suction catheter of electric abortion suction unit again.
In order to adapt to women and the dilatation and curettage patient physiological and the pathologic condition needs in different conceived weeks, this utility model is provided with different specifications, and clinical worker is selected to use according to the concrete condition of individual patients.
Because the technique scheme utilization, the advantage that this utility model compared with prior art has is:
Because uterine cavity suction catheter of the present utility model is provided with leading portion body, interlude body and back segment body, and, the body material of interlude body is the medical flexible material, because tinsel longitudinally is set in the flexible material tube wall more than one, therefore, clinical worker can be according to the medical science needs of clinical patients, make the bending of interlude body, thereby pregnant capsule or the uterus structure that can tackle different implantations position are drawn tissue, avoided suction, leak suction, the generation of complication such as incomplete abortion, hemorrhage, infection, the perforation of uterus; On the other hand, after the bending, during use, clinical manipulation necessary mechanical strength and rigidity have been kept again.
Description of drawings
Fig. 1 is the front view of uterine cavity tissue suction catheter bent among the embodiment one;
Fig. 2 is the cutaway view of uterine cavity tissue suction catheter bent among the embodiment one;
Fig. 3 is the cutaway view that amplify the part of the interlude body of uterine cavity tissue suction catheter bent among the embodiment one;
Fig. 4 is the front view of uterine cavity tissue suction catheter bent among the embodiment two;
Fig. 5 is the cutaway view of uterine cavity tissue suction catheter bent among the embodiment two;
Fig. 6 is the cutaway view that amplify the part of the interlude body of uterine cavity tissue suction catheter bent among the embodiment two;
Fig. 7 is the cutaway view of uterine cavity tissue suction catheter bent among the embodiment three;
Fig. 8 is the front view of uterine cavity tissue suction catheter bent among the embodiment three;
Fig. 9 is the cutaway view that amplify the part of the interlude body of uterine cavity tissue suction catheter bent among the embodiment three;
Figure 10 is the cutaway view of uterine cavity tissue suction catheter bent among the embodiment four;
Figure 11 is the front view of uterine cavity tissue suction catheter bent among the embodiment four;
Figure 12 is the cutaway view that amplify the part of the interlude body of uterine cavity tissue suction catheter bent among the embodiment four;
Wherein: 1, leading portion body; 2, interlude body; 3, back segment body; 4, elliptical openings; 5, bonding jumper/wire netting; 6, joint; 7, hollow is shaken hands; 8, joint; The tube wall part of a, interlude body.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described:
Embodiment one: referring to Fig. 1,2,3, a kind of bent uterine cavity tissue suction catheter, described uterine cavity tissue suction catheter comprises leading portion body 1, interlude body 2 and back segment body 3, described leading portion body 1 be blind end foremost, be provided with an elliptical openings 4 near the tube wall of blind end; The body material of described interlude body 4 is a medical flexible material silicon rubber, is provided with the bonding jumper 5 of vertical arrangement in the tube wall; The tail end of described back segment body 3 is provided with joint 6; Interlude body socket leading portion body and back segment body.
In the technique scheme, described leading portion body be blind end foremost, blind end be shaped as hemispherical, be provided with an elliptical openings near the tube wall of blind end, the long axis length of described elliptical openings is 8 millimeters, minor axis length is 5 millimeters.
In the technique scheme, be provided with 6 bonding jumpers of vertically arranging 5 in the tube wall of described interlude body 2, the thickness of described bonding jumper 5 is 0.1 millimeter, the longitudinal length of described bonding jumper 5 is littler 1 centimetre than the longitudinal length of interlude body 2, and the distance of the front end of the front end of described bonding jumper 5 and interlude body 2 equals the distance of the rear end of the rear end of described bonding jumper 5 and interlude body 2, thereby can make interlude body 2 better seal sockets with front end body 1, back segment body 3; Described gold is a rustless steel; Because bonding jumper longitudinally is set in the flexible material tube wall more than one, therefore, interlude body 2 is bent, on the other hand, after the bending, during use, have certain mechanical strength and rigidity again.
In the technique scheme, the tail end of described back segment body 3 is provided with joint 6, and joint 6 links to each other with the suction catheter of electric abortion suction unit.
In the technique scheme, the long tube external diameter is 4 millimeters, and wall thickness is 0.4 millimeter, and this uterine cavity tissue suction catheter goes for the anemia of pregnant woman in conceived 4～6 weeks.
Embodiment two: referring to Fig. 4,5,6, a kind of bent uterine cavity tissue suction catheter, described uterine cavity tissue suction catheter comprises leading portion body 1, interlude body 2 and back segment body 3, described leading portion body 1 be blind end foremost, be provided with an elliptical openings 4 near the tube wall of blind end; The body material of described interlude body 4 is a medical flexible material polrvinyl chloride (PVC), is provided with wire netting 5 in the tube wall; The tail end of described back segment body 3 is provided with joint 6; Interlude body socket leading portion body and back segment body.
In the technique scheme, described leading portion body be blind end foremost, blind end be shaped as hemispherical, be provided with an elliptical openings 4 near the tube wall of blind end, the long axis length of described elliptical openings is 15 millimeters, minor axis length is 12 millimeters.
In the technique scheme, be provided with wire netting in the tube wall of described interlude body, the thickness of described wire netting is 0.2 millimeter, the longitudinal length of described wire netting is littler 2 centimetres than the longitudinal length of interlude body, and the distance of the front end of the front end of described wire netting and interlude body equals the distance of the rear end of the rear end of described wire netting and interlude body, thereby can make the interlude body better seal socket with front end body, back segment body; Described metal is an aluminum; Owing in the flexible material tube wall, wire netting is set, therefore, the interlude body is bent, on the other hand, after the bending, during use, have certain mechanical strength and rigidity again.
In the technique scheme, the tail end of described back segment body 3 is provided with joint 6, and the joint 6 of described back segment body tail end connects a hollow again and shakes hands 7, and the surface that hollow is shaken hands is provided with anti-slip tank, the hollow tail end of shaking hands is provided with joint 8, and joint 8 links to each other with the suction catheter of electric abortion suction unit again.
In the technique scheme, the long tube external diameter is 8 millimeters, and wall thickness is 0.8 millimeter, and described uterine cavity tissue suction catheter is applicable to the anemia of pregnant woman in conceived 8～12 weeks.
Embodiment three
Referring to Fig. 7,8,9, a kind of bent uterine cavity tissue suction catheter, described uterine cavity tissue suction catheter comprises leading portion body 1, interlude body 2 and back segment body 3, the leading portion body of described uterine cavity tissue suction catheter, interlude body and back segment body are one-body molded, as a whole, the length of described leading portion body is 3 centimetres, and the length of described interlude body is 6 centimetres; Described leading portion body 1 be blind end foremost, be provided with an elliptical openings 4 near the tube wall of blind end; The body material of described interlude body 4 is a medical flexible material silicon rubber, is provided with the bonding jumper 5 of vertical arrangement in the tube wall; The tail end of described back segment body 3 is provided with joint 6.
In the technique scheme, described leading portion body be blind end foremost, blind end be shaped as hemispherical, be provided with an elliptical openings near the tube wall of blind end, the long axis length of described elliptical openings is 10 millimeters, minor axis length is 6 millimeters.
In the technique scheme, described uterine cavity suction catheter length is 290mm, wherein the long 40mm of leading portion body, the long 50mm of interlude body and the long 200mm of back segment body; Be provided with 6 metal stainless steel strips of vertically arranging 5 in the tube wall of described interlude body 2, the thickness of described bonding jumper 5 is 0.1 millimeter, and the longitudinal length of described bonding jumper 5 is 50mm; Because bonding jumper longitudinally is set in the flexible material tube wall more than one, therefore, interlude body 2 is bent, on the other hand, after the bending, during use, have certain mechanical strength and rigidity again.
In the technique scheme, the tail end of described back segment body 3 is provided with joint 6, and joint 6 links to each other with the suction catheter of electric abortion suction unit.
In the technique scheme, the long tube external diameter is 4 millimeters, and wall thickness is 0.4 millimeter, and this uterine cavity tissue suction catheter goes for the anemia of pregnant woman in conceived 4～6 weeks.
Embodiment four: referring to Figure 10,11,12, a kind of bent uterine cavity tissue suction catheter, described uterine cavity tissue suction catheter comprises leading portion body 1, interlude body 2 and back segment body 3, the leading portion body of described uterine cavity tissue suction catheter, interlude body and back segment body are one-body molded, as a whole, the length of described leading portion body is 3 centimetres, and the length of described interlude body is 8 centimetres; Described leading portion body 1 be blind end foremost, be provided with an elliptical openings 4 near the tube wall of blind end; The body material of described interlude body 4 is a medical flexible material polrvinyl chloride (PVC), is provided with wire netting 5 in the tube wall; The tail end of described back segment body 3 is provided with joint 6.
In the technique scheme, described leading portion body be blind end foremost, blind end be shaped as hemispherical, be provided with an elliptical openings 4 near the tube wall of blind end, the long axis length of described elliptical openings is 15 millimeters, minor axis length is 10 millimeters.
In the technique scheme, described uterine cavity suction catheter length is 290mm, wherein the long 40mm of leading portion body, the long 50mm of interlude body and the long 200mm of back segment body; Be provided with wire netting in the tube wall of described interlude body, the thickness of described wire netting is 0.2 millimeter, and the longitudinal length of described wire netting 5 is 50mm; Owing in the flexible material tube wall wire netting is set, described metal is an aluminum, therefore, interlude body 2 is bent, and on the other hand, after the bending, during use, has certain mechanical strength and rigidity again.
In the technique scheme, the tail end of described back segment body 3 is provided with joint 6, and the joint 6 of described back segment body tail end connects a hollow again and shakes hands 7, and the surface that hollow is shaken hands is provided with anti-slip tank, the hollow tail end of shaking hands is provided with joint 8, and joint 8 links to each other with the suction catheter of electric abortion suction unit again.
In the technique scheme, the long tube external diameter is 8 millimeters, and wall thickness is 0.8 millimeter, and described uterine cavity tissue suction catheter is applicable to the anemia of pregnant woman in conceived 8～12 weeks.
Above content be in conjunction with concrete optimal technical scheme to further describing that this utility model is done, can not assert that this utility model is confined to these explanations.To those skilled in the art, under the prerequisite that does not break away from this utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (6)
1. a bent uterine cavity tissue suction catheter is characterized in that, described uterine cavity tissue suction catheter comprises leading portion body, interlude body and back segment body, and the leading portion body of described uterine cavity tissue suction catheter, interlude body and back segment body are one-body molded; Described leading portion body be blind end foremost, described blind end be shaped as the medicated cap shape; Tube wall near blind end is provided with an elliptical openings; Be provided with the tinsel of vertical arrangement in the tube wall of described interlude body; Described tinsel two ends are provided with medicated cap shape projection; The tail end of described back segment body is provided with joint.
2. uterine cavity tissue suction catheter according to claim 1, it is characterized in that, described uterine cavity suction catheter length is 290mm, and wherein the long 40mm of leading portion body, the long 50mm of interlude body and the long 200mm of back segment body are provided with bent tinsel in the tube wall at 40～80mm place of uterine cavity suction catheter.
3. uterine cavity tissue suction catheter according to claim 1, it is characterized in that the joint of described back segment body tail end connects a hollow again shakes hands, the surface that hollow is shaken hands is provided with anti-slip tank, the hollow tail end of shaking hands is provided with joint, and joint links to each other with the suction catheter of electric abortion suction unit again.
4. uterine cavity tissue suction catheter according to claim 1, it is characterized in that, described leading portion body be blind end foremost, blind end be shaped as hemispherical, tube wall near blind end is provided with an elliptical openings, the long axis length of described elliptical openings is 1～15 millimeter, and minor axis length is 5～12 millimeters.
5. uterine cavity tissue suction catheter according to claim 1, it is characterized in that, the body material of described interlude body is the medical flexible material, is provided with the tinsel of vertical arrangement in the tube wall of described interlude body, and described thickness wiry is 0.1～0.2 millimeter.
6. according to the described uterine cavity tissue suction catheter of claim 1, it is characterized in that the material of described uterine cavity tissue suction catheter is a polrvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206594674U CN201899550U (en) | 2010-12-14 | 2010-12-14 | Foldable type uterine cavity suction tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206594674U CN201899550U (en) | 2010-12-14 | 2010-12-14 | Foldable type uterine cavity suction tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201899550U true CN201899550U (en) | 2011-07-20 |
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ID=44270152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206594674U Expired - Fee Related CN201899550U (en) | 2010-12-14 | 2010-12-14 | Foldable type uterine cavity suction tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201899550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108853683A (en) * | 2017-05-16 | 2018-11-23 | 张少伟 | Painless adjustable discontinuity drainage tube |
-
2010
- 2010-12-14 CN CN2010206594674U patent/CN201899550U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108853683A (en) * | 2017-05-16 | 2018-11-23 | 张少伟 | Painless adjustable discontinuity drainage tube |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20161214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |