CN110585563B - Drainage tube fixing and drainage tube opening closing device - Google Patents
Drainage tube fixing and drainage tube opening closing device Download PDFInfo
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- CN110585563B CN110585563B CN201910931721.7A CN201910931721A CN110585563B CN 110585563 B CN110585563 B CN 110585563B CN 201910931721 A CN201910931721 A CN 201910931721A CN 110585563 B CN110585563 B CN 110585563B
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- drainage tube
- ring part
- suture
- inner ring
- fixing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/0253—Holding devices, e.g. on the body where the catheter is attached by straps, bands or the like secured by adhesives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/0286—Holding devices, e.g. on the body anchored in the skin by suture or other skin penetrating devices
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- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
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Abstract
The invention discloses a drainage tube fixing and drainage port closing device, and relates to the technical field of medical instruments. Including sutures and annular clips; the clamp comprises an inner ring part and an outer ring part, a connecting belt is arranged on the side wall of the inner ring part, and a self-locking binding belt is arranged on the connecting belt; the first end of the clamp is of an integrated structure, gaps are arranged between the inner ring part and the outer ring part except the first end, the second end of the clamp is provided with a closing device, one of the outer diameter side wall of the inner ring part or the inner diameter side wall of the outer ring part is provided with a groove, and the other is provided with a protrusion; the suture is positioned between the groove and the bulge after passing through the operation incision, and two ends of the suture are led out by the gap. So, fix the drainage tube with self-locking ribbon in the art, cut the connecting band when demolising, extract the drainage tube, adjust the suture elasticity through closing device to the inseparable closed incision of deep layer has solved the drainage tube fixer among the prior art and can not satisfy the technical problem that can fix the drainage tube, can closely close the orificial requirement of drainage tube in deep layer again.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a drainage tube fixing and drainage tube opening closing device.
Background
In the operation, an incision is needed on the body surface, a drainage tube is placed through a passage of skin, subcutaneous tissue and even muscle layer, and in order to drain smoothly, the incision and the passage are slightly larger than the diameter of the drainage tube. At present, the traditional method for fixing the drainage tube is to fix the drainage tube by using silk threads, and the fixing threads are easy to break and are not firm, so that tube detachment or displacement is easily caused, the treatment effect is influenced, and even medical disputes are caused.
The drainage tube is pulled out, leaves the cavity, and original fixed suture becomes lax, and can't adjust the elasticity, can't play closed drainage mouth's effect, especially keeps the thick drainage tube that the time is longer, and skin, subcutaneous tissue, muscle layer even form the sinus, and the drainage mouth is remained to the body surface, can't closely close, leads to long-term unhealed, infect, ooze or drainage mouth hernia, needs to change dressings or secondary suture for a long time, increases doctor's work load and patient's misery, reduces patient's satisfaction.
At present, various devices are utilized for fixing a drainage tube on the skin of a fixer for fixing the drainage tube, the adhesion and fixation effects are not exact, even the tube is easier to be taken off than the traditional silk thread fixation, and the opening of the drainage tube and the skin adhesion part are not easy to disinfect and care, so that the skin is easy to be damaged; the specific use of the nozzle-pressurized closure device disclosed in patent 201420757735.4 is not known for the effect of closing deep cavities because it only acts on the skin surface; the patent 200410033904.0 discloses a medical suture knot that can only adjust the tightness of an unknotted suture, but is ineffective for knotted sutures.
Therefore, how to solve the technical problem that the drainage tube fixer in the prior art cannot meet the requirements of fixing the drainage tube and deeply and tightly closing the drainage tube opening becomes an important technical problem to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a drainage tube fixing and drainage tube opening closing device to solve the technical problem that a drainage tube fixer in the prior art cannot meet the requirements of fixing a drainage tube and deeply and tightly closing a drainage tube opening. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a drainage tube fixing and drainage tube opening closing device, which comprises a suture and an annular clamp, wherein the annular clamp is used for fixing the suture and is not connected with two ends of the suture; the clamp comprises an inner ring part and an outer ring part, the side wall of the inner ring part is uniformly connected with a plurality of connecting belts with different lengths, and each connecting belt is provided with a self-locking ribbon for fixing the drainage tube; the first end of the inner ring part and the first end of the outer ring part are connected into an integral structure, a gap which extends along the circumferential direction and is used for the suture to pass through is arranged between the inner ring part and the part outside the first end of the outer ring part, a closing device which tightly closes the inner ring part and the outer ring part is arranged at the second end of the inner ring part and the second end of the outer ring part, one of the outer diameter side wall of the inner ring part or the inner diameter side wall of the outer ring part is provided with a groove, and the other one is provided with a protrusion matched with the groove; the suture is positioned between the groove and the bulge after passing through the surgical incision, and two ends of the suture are led out from the gap.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the closing means is including setting up the elastic hook-shaped protrusion that has of outer ring portion second end is in with the setting the inner ring portion second end and with hook-shaped protrusion matched with colludes the form recess.
Furthermore, the cross section of the groove is circular, and the corresponding cross section of the protrusion is circular.
Further, the cross sections of the inner ring portion and the outer ring portion are both arc-shaped or polygonal, and the cross section of the corresponding clamp is arc-shaped or polygonal.
Further, the diameter of the inner contour of the clip is larger than that of the drainage tube.
Furthermore, an anti-slip layer for preventing the suture from sliding is arranged on the inner side wall of the groove.
Furthermore, the clamping, the connecting band with from locking-type ribbon is the polyethylene or polyvinyl chloride material.
Further, a medical material layer is laid on one side, which is in contact with the skin, of the clamp.
Further, the thread adopts a twisting type multi-fiber metal thread.
Further, one end of the suture is provided with a skin needle for penetrating the skin.
In the technical scheme provided by the invention, the drainage tube fixing and drainage tube opening closing device comprises a suture and an annular clamp which is used for fixing the suture and has two unconnected ends; the clamp comprises an inner ring part and an outer ring part, a plurality of connecting belts with different lengths are uniformly arranged on the side wall of the inner ring part, and the other end of each connecting belt is provided with a self-locking binding belt for fixing the drainage tube; the first end of the inner ring part and the first end of the outer ring part are connected into an integral structure, a gap which extends along the circumferential direction and is used for a suture to pass through is arranged between the inner ring part and the part outside the first end of the outer ring part, the second end of the inner ring part and the second end of the outer ring part are provided with a closing device which tightly closes the inner ring part and the outer ring part, one of the outer diameter side wall of the inner ring part and the inner diameter side wall of the outer ring part is provided with a groove, and the other one is provided with a bulge matched with the groove; the suture is positioned between the groove and the bulge after passing through the operation incision, and two ends of the suture are led out from the gap. So set up, the fixed drainage tube of art with from locking-type ribbon reaches the effect of fixed drainage tube, when demolising, cuts the connecting band, extracts the drainage tube, adjusts the suture elasticity through closing device to the inseparable closed incision of deep layer has solved the drainage tube fixer among the prior art and can not satisfy the technical problem that can fix the drainage tube, can closely close the orificial requirement of drainage tube in deep layer again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic axial view of a drainage tube securement and drainage tube port closure device in an embodiment of the present invention;
FIG. 2 is a top view of a drainage tube securement and drainage tube port closure device in an embodiment of the present invention;
FIG. 3 is a front view of a drainage tube securement and drainage tube port closure device in an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a drainage tube fixing and drainage tube opening closing device in an embodiment of the present invention;
FIG. 5 is a schematic view of the position of the surgical incision and clip according to an embodiment of the present invention.
In the figure, 1-a clamp, 2-an outer ring part, 3-an inner ring part, 4-a suture, 5-a connecting band, 6-a closing device, 7-a self-locking binding band, 8-a drainage tube, 9-a hook-shaped bulge, 10-a hook-shaped groove, 11-a bulge, 12-a groove and 13-an operation incision are formed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The purpose of this embodiment is to provide a drainage tube is fixed and drainage tube mouth closing device, fixes the drainage tube with self-locking ribbon in the art, reaches the effect of fixed drainage tube, when demolising, cuts the connecting band, extracts the drainage tube, adjusts the suture elasticity through closing device to the inseparable closed incision of deep layer has solved the technical problem solution that the drainage tube fixer among the prior art can not satisfy the requirement that can fix the drainage tube, can the inseparable closed drainage tube mouth of deep layer again.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Please refer to fig. 1-5. The drainage tube fixing and drainage tube opening closing device provided by the embodiment comprises a suture 4 and an annular clamp 1 for fixing the suture 4, wherein two ends of the clamp 1 are not connected, the whole body is a three-quarter circular ring, and the whole height is 5 mm; the clamp 1 comprises an inner ring portion 3 and an outer ring portion 2, the inner diameter of the inner ring portion 3 is 15mm, the thickness of the inner ring portion 3 is 3mm, the thickness of the outer ring portion 2 is 2mm, and a plurality of connecting bands 5 with different lengths are uniformly arranged at the upper end of the inner ring portion 3, in the embodiment, four connecting bands 5 are arranged in a cross shape, the width of each connecting band 5 is 3mm, the thickness of each connecting band is 1.5mm, the lengths of the connecting bands are respectively 6mm, 10mm, 14mm and 18mm, the cross section of each connecting band 5 can be a polygon or an arc, and the connecting bands 5 and the inner ring portion 3 are of an integrated structure; the other end of each connecting band 5 all is equipped with the self-locking ribbon 7 that is used for fixing drainage tube 8, and the length of self-locking ribbon 7 is 30mm, and the width is 2mm, and thickness is 1.5mm, and self-locking ribbon 7 is fixed on connecting band 5 through the mode that bonds.
In addition, the first end of the inner ring part 3 and the first end of the outer ring part 2 are of an integral structure, namely, the first end of the clip 1 is of an integral structure, a gap which extends along the circumferential direction of the clip 1 and is used for a suture 4 to pass through is arranged between the inner ring part 3 and the part except the first end of the outer ring part 2, and a closing device 6 which tightly closes the inner ring part 3 and the outer ring part 2 is arranged at the second end of the clip 1, so that the tightness of the suture 4 can be adjusted through the device; one of the outer diameter side wall of the inner ring part 3 or the inner diameter side wall of the outer ring part 2 is provided with a groove 12, the other one is provided with a bulge 11 in clearance fit with the groove 12, the cross section of the groove 12 can be polygonal or arc, and the cross section of the corresponding bulge 11 is polygonal or arc; in the embodiment, the cross section of the groove 12 is circular, the top end is semicircular, the diameter of the groove is 0.4mm, the groove depth is 1mm, and the diameter of the corresponding bulge 11 is 0.3mm and the height is 0.9 mm; after the suture 4 is passed through the surgical incision 12, the middle part thereof is located between the groove 12 and the protrusion 11, and both ends thereof are led out by the gaps.
When in use, the skin, subcutaneous tissues and even muscles are deeply sutured by the sutures 4, then the sutures vertically pass through the middle part of the operation incision 13, the drainage tube 8 passes through the middle part of the two sutures 4, and the tightness of the sutures 4 is adjusted to ensure that the sutures can be tightened and fixed on the skin incision without influencing the drainage of the drainage tube 8 due to too tight sutures; wrapping the clip 1 around the drainage tube 8, approaching the surface of the skin, and fixing the suture lines 4 at two sides of the drainage tube 8; the drainage tube 8 is fixed by a connecting band 5 connected with the upper end of the inner ring part 3 and a self-locking bandage 7. When the suture is pulled out, the connecting band 5 is cut off, the closing device 6 is adjusted, the suture 4 is loosened, the drainage tube 8 is pulled out, and the position of the suture 4 is adjusted, so that the operation incision 13 is tightly closed.
By the arrangement, the groove 12 and the protrusion 11 are in clearance fit, the groove and the protrusion are convenient to close and separate, the cross section is circular, and the alignment is convenient; four connecting belts 5 are arranged, so that the requirement can be met, and the cost is saved; the connecting belts 5 are different in length, so that the self-locking binding belt 7 can be fixed at different positions of the drainage tube 8, and the drainage tube 8 is stably fixed; the drainage tube 8 is fixed by the self-locking bandage 7 in the operation, the function of fixing the drainage tube 8 is achieved, after the drainage tube 8 is pulled out, the tightness of the suture 4 is adjusted through the closing device 6, so that the deep and tight closed incision is formed, and the technical problem that a drainage tube fixer in the prior art cannot meet the requirements of fixing the drainage tube 8 and deeply and tightly closing a drainage tube opening is solved.
In a specific embodiment, the closing device 6 comprises an elastic hook-shaped protrusion 9 arranged at the second end of the outer ring part 2 and a hook-shaped groove 10 arranged at the second end of the inner ring part 3 and matched with the hook-shaped protrusion 9, and after the hook-shaped protrusion and the hook-shaped groove are matched, the suture 4 can be firmly fixed between the groove 12 and the protrusion 11; collude form arch 9 and can adopt the polyurethane material to make, it needs to explain that collude form arch 9 and collude the position of form recess 10 and can exchange, and outer ring portion 2 second end is provided with colludes form recess 10 promptly, and 3 second ends of interior ring portion are provided with colludes form arch 9, colludes form arch 9 and colludes form recess 10 and all fix corresponding position through the mode that bonds. So set up, polyurethane has certain elasticity, makes colluding that form arch 9 can be convenient insert collude form recess 10 in, and polyurethane has certain hardness, guarantees to collude form arch 9 and can not deviate from easily and collude form recess 10.
As an alternative embodiment, the cross sections of the inner ring portion 3 and the outer ring portion 2 are both arc-shaped or polygonal, and the cross section of the corresponding clip 1 is polygonal or arc-shaped, and is preferably set to be circular. So set up to circular, the outward appearance is smooth, can not cause secondary damage to the wound.
As a preferred embodiment, the inner profile diameter of the clip 1 is larger than the diameter of the drainage tube 8. So set up, leave the clearance between clamping 1 and the drainage tube 8, can make things convenient for medical staff to disinfect and nurse drainage tube incision and skin on every side.
More specifically, the inner side wall of the groove 12 is provided with a protective layer for preventing the sliding of the sewing thread 4, and this embodiment adopts a mode that a plurality of granular protrusions are arranged on the side wall. So configured, the suture 4 is further secured, preventing the closure device 6 from not compressing the suture 4, thereby causing the suture 4 to loosen, affecting wound healing.
As an alternative embodiment, the clip 1, the connecting band 5 and the self-locking band 7 are made of polyethylene or polyvinyl chloride. So set up, this type of material has good environmental aging resistance, can improve the life of device.
In a specific embodiment, a layer of medical material, preferably medical gauze, is applied to the side of the clip 1 that contacts the skin. So set up, can place the medicine on the medical gauze, make the wound heal up fast, also can prevent that the wound from being infected.
In a more specific embodiment, the suture 4 is a twisted multi-fiber metal suture, which in this example has a diameter of 0.4 mm. So set up, twist with hands type multifilament metal suture tensile strength and be superior to traditional silk thread far away, anti tractive, extremely difficult fracture, because it is that stranded wire spiral coiling assembles to form, the pliability is strong, and the operability is strong, and the tissue reaction is low, and is little to the skin damage.
In another embodiment, one end of the suture 4 is provided with a skin needle for penetrating the skin, and the skin needle can be a straight skin needle or a curved skin needle, preferably a curved skin needle. So set up, easily needle holder centre gripping and pierce through skin.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A drainage tube fixing and drainage tube opening closing device is characterized by comprising a suture (4) and an annular clamp (1) which is used for fixing the suture (4) and has two unconnected ends; the clamp (1) comprises an inner ring part (3) and an outer ring part (2), the side wall of the inner ring part (3) is uniformly connected with a plurality of connecting belts (5) with different lengths, and each connecting belt (5) is provided with a self-locking binding belt (7) for fixing a drainage tube (8); the first end of the inner ring part (3) and the first end of the outer ring part (2) are connected into an integral structure, a gap which extends along the circumferential direction and is used for a suture (4) to pass through is arranged between the inner ring part (3) and the part outside the first end of the outer ring part (2), a closing device (6) which tightly closes the inner ring part (3) and the outer ring part (2) is arranged at the second end of the inner ring part (3) and the second end of the outer ring part (2), one of the outer diameter side wall of the inner ring part (3) or the inner diameter side wall of the outer ring part (2) is provided with a groove (12), and the other one of the outer diameter side wall and the inner diameter side wall of the outer ring part (2) is provided with a protrusion (11) matched with the groove (12); the suture (4) is positioned between the groove (12) and the bulge (11) after passing through a surgical incision (13), and two ends of the suture (4) are led out from the gap; the inner side wall of the groove (12) is provided with an anti-slip layer for preventing the suture (4) from sliding.
2. The device for fixing a drainage tube and closing a drainage tube opening as claimed in claim 1, characterized in that said closing means (6) comprise an elastic hook-shaped protrusion (9) provided at the second end of said outer ring portion (2) and a hook-shaped recess (10) provided at the second end of said inner ring portion (3) and cooperating with said hook-shaped protrusion (9).
3. The drain tube fixing and drain tube opening closing device according to claim 1, wherein the cross-section of the recess (12) is circular and the cross-section of the corresponding protrusion (11) is circular.
4. The device for fixing the drainage tube and closing the opening of the drainage tube according to claim 1, wherein the cross sections of the inner ring part (3) and the outer ring part (2) are both arc-shaped or polygonal, and the cross section of the corresponding clip (1) is arc-shaped or polygonal.
5. The drain tube fixing and drain tube opening closing device according to claim 1, characterized in that the inner contour diameter of the clip (1) is larger than the diameter of the drain tube (8).
6. The device for fixing a drainage tube and closing an opening of a drainage tube according to claim 1, wherein the clip (1), the connecting band (5) and the self-locking band (7) are made of polyethylene or polyvinyl chloride.
7. The drainage tube fixing and drainage tube opening closing device according to claim 1, wherein the side of the clip (1) contacting the skin is provided with a layer of medical material.
8. The drain tube fixing and drain tube opening closing device according to claim 1, wherein the suture (4) is a twist-and-twist type multi-fiber metal suture.
9. The drain tube fixing and drain tube opening closing device according to claim 1, wherein one end of the suture (4) is provided with a hypodermic needle for penetrating the skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931721.7A CN110585563B (en) | 2019-09-29 | 2019-09-29 | Drainage tube fixing and drainage tube opening closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931721.7A CN110585563B (en) | 2019-09-29 | 2019-09-29 | Drainage tube fixing and drainage tube opening closing device |
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| CN110585563A CN110585563A (en) | 2019-12-20 |
| CN110585563B true CN110585563B (en) | 2022-02-08 |
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| CN201910931721.7A Active CN110585563B (en) | 2019-09-29 | 2019-09-29 | Drainage tube fixing and drainage tube opening closing device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113599667B (en) * | 2021-08-10 | 2023-03-14 | 南昌大学第二附属医院 | Drainage tube fixing device |
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| CN207640791U (en) * | 2017-05-26 | 2018-07-24 | 中南大学湘雅医院 | Abdominal cavity wound drainage tube fixing device |
| CN109568768A (en) * | 2019-01-22 | 2019-04-05 | 山东省肿瘤防治研究院（山东省肿瘤医院） | A kind of thoracic surgery treatment drainage fixed-guard |
| CN208893424U (en) * | 2018-06-20 | 2019-05-24 | 中国人民解放军第二军医大学 | A kind of fixed device of ductus pancreaticus external drainage |
| CN209075637U (en) * | 2018-06-08 | 2019-07-09 | 南通市第一人民医院 | A kind of fixation device of dialysis catheter for nephrology department |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2801088Y (en) * | 2005-05-26 | 2006-08-02 | 华中科技大学同济医学院附属同济医院 | Operation suture fixer |
| CN101028210A (en) * | 2007-03-01 | 2007-09-05 | 卫洪超 | Extracorporeal circulation cardiac operation tubular suture fixer |
| CN201205290Y (en) * | 2008-04-09 | 2009-03-11 | 李娟� | Suture fixation device |
| CN102462517A (en) * | 2010-11-17 | 2012-05-23 | 仁齐企业有限公司 | Cannula device for laparoscope operation |
| CN203763647U (en) * | 2014-03-25 | 2014-08-13 | 华勤学 | Antislip intrathoracic drain tube |
| CN105848590A (en) * | 2014-11-21 | 2016-08-10 | 金基成 | Laparoscopic port site closing apparatus |
| CN204562240U (en) * | 2015-02-15 | 2015-08-19 | 宁波胜杰康生物科技有限公司 | A kind of novel hemorrhoid anastomat expands anus adnexa |
| CN207640791U (en) * | 2017-05-26 | 2018-07-24 | 中南大学湘雅医院 | Abdominal cavity wound drainage tube fixing device |
| CN209075637U (en) * | 2018-06-08 | 2019-07-09 | 南通市第一人民医院 | A kind of fixation device of dialysis catheter for nephrology department |
| CN208893424U (en) * | 2018-06-20 | 2019-05-24 | 中国人民解放军第二军医大学 | A kind of fixed device of ductus pancreaticus external drainage |
| CN109568768A (en) * | 2019-01-22 | 2019-04-05 | 山东省肿瘤防治研究院（山东省肿瘤医院） | A kind of thoracic surgery treatment drainage fixed-guard |
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| Publication number | Publication date |
|---|---|
| CN110585563A (en) | 2019-12-20 |
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