CN108324349B - Pen-shaped debridement device - Google Patents
Pen-shaped debridement device Download PDFInfo
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- CN108324349B CN108324349B CN201810261667.5A CN201810261667A CN108324349B CN 108324349 B CN108324349 B CN 108324349B CN 201810261667 A CN201810261667 A CN 201810261667A CN 108324349 B CN108324349 B CN 108324349B
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- debridement
- debridement head
- head
- holding rod
- pen
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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
- A61B17/32—Surgical cutting instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320004—Surgical cutting instruments abrasive
- A61B2017/320008—Scrapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320064—Surgical cutting instruments with tissue or sample retaining means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cleaning In General (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a pen-shaped debridement device, which is characterized in that: the debridement head is hollow, a containing cavity is formed in the debridement head, the debridement head comprises a scraper, a plurality of debridement heads are arranged and connected with the debridement head, and the debridement heads are positioned on the outer side face of the debridement head; the adsorption opening is arranged on the debridement head and corresponds to the scraper; the adsorption opening is communicated with the containing cavity and is used for enabling a scraping object of the scraper to enter the cavity; the holding rod is internally provided with a cavity, and the cavity penetrates through the holding rod; and one end of the connecting part is connected with the tail part of the debridement head, and the other end of the connecting part is connected with the holding rod. The device achieves the purposes of simple structure, elasticity, steering capability and light and stable operation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a pen-shaped debridement device.
Background
The wound surface of chronic infection and acute open injury is a common wound type of orthopaedics, and benign soft tissue tumor and other bags without clear limit with peripheral tissues are also common types of surgery in a period selection mode. In the above exploration and cleaning of lesion tissue, the purpose of the surgery is to ablate the lesion tissue as much as possible, reducing residues and possible contaminants. The current conventional surgical instrument mainly comprises orthopaedics soft tissues and tumor curettes, although the curettes have different specification types, the curettes mainly comprise a far-end similar circular curettes, the edge of the curettes contacting with tissues during operation is generally about 1/2, the curettes are suitable for operations in different operation spaces through different sizes, and 3-5 curettes with different specifications are needed for each operation; in addition, the scraping efficiency can be improved by pressing with force in the operation, and the normal tissues are extruded and damaged. Based on the above, a debridement instrument designed by a basic idea is needed, wherein the debridement instrument has high specification compatibility, can scrape off lesion tissues as much as possible and protect normal tissues.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a technical scheme which has simple structure, elasticity, steering capability and light and stable operation, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a pen-shaped debrider, which is characterized by comprising
The debridement head is hollow and internally provided with a containing cavity, and comprises
The scraping knife is provided with a plurality of scraping knives which are connected with the debridement head and positioned on the outer side surface of the debridement head;
the adsorption opening is arranged on the debridement head and corresponds to the scraper; the adsorption opening is communicated with the containing cavity and is used for enabling a scraping object of the scraper to enter the cavity;
the holding rod is internally provided with a cavity, and the cavity penetrates through the holding rod;
and one end of the connecting part is connected with the tail part of the debridement head, and the other end of the connecting part is connected with the holding rod.
As preferable: the scraper is provided with a cutting edge which is arc-shaped and the radian is more than or equal to 180 degrees.
As preferable: the adsorption opening is positioned below the corresponding scraper, and the size of the adsorption opening is larger than that of the scraper.
As preferable: the debridement head is made of hard elastic materials such as spring steel.
As preferable: the cross section of the debridement head is arc-shaped, and the front end of the debridement head is backwards, so that the size of the debridement head is gradually increased.
As preferable: the debridement head is in a spindle shape or a conical shape.
As preferable: the debridement head is provided with a long groove which penetrates through the debridement head, and the long groove is arranged in an equal division manner relative to the central circumference of the debridement head and used for improving the elasticity of the debridement head, rapidly debridement and reducing the extrusion to normal tissues.
As preferable: the connecting part comprises
The connecting pipe is used for connecting the debridement head and the holding rod;
the adsorption tube is located in the connecting tube, the front end of the adsorption tube is provided with a horn mouth, the big mouth end of the horn mouth is connected with the connecting tube or the debridement head and tail part, and the small mouth end of the horn mouth is connected with the adsorption tube and used for preventing backflow.
As preferable: the upper end of connecting portion is provided with the internal thread, the corresponding internal thread of gripping pole is provided with the external screw thread, the upper end and the gripping pole threaded connection of connecting portion.
As preferable: the outer diameter of the upper end of the connecting part corresponds to the width of the holding rod, a sheath is sleeved outside the upper end of the connecting part, and the sheath covers the connecting part and the connecting part of the holding rod.
As preferable: the connecting part is provided with a fastening screw, and the fastening screw penetrates through the connecting part to apply force and compress the holding rod.
As preferable: the connecting pipe medial surface connection is provided with the separation blade, the separation blade is flange shape, has elasticity, with the connecting pipe constitutes a joint groove, the pole of gripping is located in the joint groove, and laminating between pole and the separation blade of gripping.
As preferable: a buffer cushion is arranged between the connecting pipe and the holding rod, and the buffer cushion is sleeved on the holding rod or the connecting pipe.
As preferable: the forward projection of the debridement head falls into the connecting part, and the outer side surface of the lower end of the connecting part is provided with an elastic ring, so that when the debridement head is used, the false touch possibly caused by the connecting part is reduced.
As preferable: the connecting part is fixedly clamped with the holding rod, a clamping block and a clamping buckle are respectively arranged between the holding rod and the connecting part, and the clamping block is connected with the clamping buckle in a matched manner.
As preferable: the fixed ring is fixedly arranged on the inner wall of the connecting pipe, and the fixed ring is fixedly connected with the bell mouth.
As preferable: a rotating part is arranged between the debridement head and the connecting part and comprises
The clamping shell is fixedly connected with the connecting part;
the rotating ball center is positioned in the clamping shell and rotates freely relative to the clamping shell;
wherein, the upper end of the debridement head is connected with an extension pipe sleeve; the lengthened pipe sleeve penetrates through the rotary sphere center and is fixedly connected with the rotary sphere center, the upper end of the lengthened pipe sleeve is connected with the connecting portion, and the cavity of the debridement head is communicated with the connecting portion.
As preferable: and a lubricating layer is arranged between the clamping shell and the rotating sphere center and used for guaranteeing lubrication.
As preferable: and the clamping shell, the rotary sphere center or the lengthened pipe sleeve is provided with a limiting piece for limiting the rotation amplitude of the rotary sphere center.
As preferable: the outside of holding the pole is provided with the skid resistant course for increase the feel of holding the pole, increase the static friction between hand and the pole of holding.
As preferable: the device also comprises a negative pressure head which is connected with the tail of the holding rod and communicated with the cavity, and the negative pressure head is used for connecting negative pressure adsorption equipment, and adsorbing the debridement head and the scraping object in the adsorption tube.
According to the technical scheme, the beneficial effects of the invention are as follows:
the debridement head is designed to have elasticity, compared with a traditional curette, the debridement head can reduce the damage to normal tissues under the purpose of scraping pathological tissues; the dense arrangement of the scrapers is beneficial to debridement operation to be carried out in multiple directions, the scrapers are three-quarter round edges, and wrist adjustment is not needed to be repeated rotation; the horn mouth can prevent backflow, can provide and store the lesion tissue for culturing and pathological use under the condition of no negative pressure suction, and is beneficial to the lesion tissue to be cleared without backflow under the condition of negative pressure; the negative pressure adsorption equipment is combined with the negative pressure head at the tail end, and can replace the suction device in operation.
Drawings
FIG. 1 is a schematic cross-sectional view of a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 2;
FIG. 3 is a schematic view of a doctor blade;
FIG. 4 is a schematic structural view of a debridement head;
FIG. 5 is a schematic diagram of a second embodiment;
FIG. 6 is an enlarged view of a portion of FIG. 5;
fig. 7 is a schematic structural view of a third embodiment;
FIG. 8 is an enlarged view of a portion of FIG. 7;
fig. 9 is a schematic structural diagram of the fourth embodiment.
Reference numerals: 1. debridement head; 11. a scraper; 111. a blade; 12. an adsorption opening; 13. a long groove; 14. lengthening the pipe sleeve; 2. a connection part; 21. a connecting pipe; 22. a baffle; 23. a fastening screw; 24. a cushion pad; 25. a jacket; 26. an elastic ring; 27. a fixing ring; 28. a buckle; 3. a grip lever; 31. a cavity; 32. an anti-slip layer; 33. a clamping block; 4. a negative pressure head; 5. an adsorption tube; 51. a horn mouth; 6. a rotating part; 61. a clamping shell; 62. a lubrication layer; 63. and rotating the sphere center.
Detailed Description
According to the figures 1 to 9:
example 1
A pen-shaped debrider, which is characterized by comprising
The debridement head 1, the debridement head 1 is hollow, and the interior is provided with a cavity, comprising
The scraping blades 11 are provided with a plurality of scraping blades and are connected with the debridement head 1 and positioned on the outer side surface of the debridement head 1;
an adsorption opening 12 provided on the debridement head 1 in correspondence with the scraper 11; the adsorption opening 12 is communicated with the containing cavity and is used for enabling the scraped object of the scraper 11 to enter the cavity;
a holding rod 3, wherein a cavity 31 is arranged in the holding rod 3, and the cavity 31 penetrates through the holding rod 3;
and one end of the connecting part 2 is connected with the tail part of the debridement head 1, and the other end is connected with the holding rod 3.
The scraper 11 is provided with a blade 111, the blade 111 is arc-shaped, and the radian is more than or equal to 180 degrees; the scraper 11 is a round edge, and the edge 111 accounts for more than three fourths of the edge of the scraper 11; and is integrated with the debridement head 1; the scraper 11 is formed by cutting and folding the debridement head 1.
The suction openings 12 are located below the corresponding doctor blades 11, and the size of the suction openings 12 is larger than that of the doctor blades 11.
The debridement head 1 is made of hard elastic materials such as spring steel.
The cross section of the debridement head 1 is arc-shaped, and the front end of the debridement head 1 is backwards and gradually increases in size.
The debridement head 1 is in a spindle shape or a conical shape or in a writing brush tip shape.
The debridement head 1 is provided with a long groove 13, the long groove 13 is of an elongated shape, and the long groove 13 can prevent pathological tissues or normal tissues from entering the cavity while increasing elasticity; the long groove 13 penetrates through the debridement head 1, and the long groove 13 is equally arranged relative to the central circumference of the debridement head 1, so as to improve the elasticity of the debridement head 1, be used for rapid debridement and reduce the extrusion to normal tissues.
The connecting part 2 comprises a connecting pipe 21 for connecting the debridement head 1 and the holding rod 3; the adsorption tube 5 is located in the connecting tube 21, a horn mouth 51 is arranged at the front end of the adsorption tube 5, the large mouth end of the horn mouth 51 is connected with the connecting tube 21 or the tail of the debridement head 1, and the small mouth end of the horn mouth 51 is connected with the adsorption tube 5 and used for preventing backflow.
The upper end of connecting portion 2 is provided with the internal thread, the corresponding internal thread of gripping pole 3 is provided with the external screw thread, the upper end and the gripping pole 3 threaded connection of connecting portion 2.
The outer diameter of the upper end of the connecting part 2 corresponds to the width of the holding rod 3, a sheath 25 is sleeved outside the upper end of the connecting part 2, and the sheath 25 covers the joint of the connecting part 2 and the holding rod 3.
The connecting part 2 is provided with a fastening screw 23, and the fastening screw 23 penetrates through the connecting part 2 to apply force and compress the holding rod 3.
The inner side surface of the connecting pipe 21 is connected with a baffle 22, the baffle 22 is flange-shaped and has elasticity, the connecting pipe 21 forms a clamping groove, the holding rod 3 is positioned in the clamping groove, and the holding rod 3 is attached to the baffle 22.
A cushion 24 is arranged between the connecting pipe 21 and the holding rod 3, and the cushion 24 is sleeved on the holding rod 3 or the connecting pipe 21.
The forward projection of the debridement head 1 falls into the connecting part 2, and an elastic ring 26 is arranged on the outer side surface of the lower end of the connecting part 2, so that the false touch possibly caused by the connecting part 2 is reduced when the debridement head 1 is used.
Example two
On the basis of the first embodiment, the threaded connection of the connecting part 2 and the holding rod 3 is canceled, and technical features related to the threaded connection are also provided;
the connecting part 2 is fixedly clamped with the holding rod 3, a clamping block 33 and a clamping buckle 28 are respectively arranged between the holding rod 3 and the connecting part 2, and the clamping block 33 and the clamping buckle 28 are connected in a matched mode. Through the clamping mode, the convenience of installation and disassembly is improved, a plurality of debridement heads 1 can be replaced in one operation to finish the repeated sampling of pathological tissues, and the device is simpler and more convenient in later maintenance; secondly, the problem that tissues are clamped in threads is avoided, so that connection is tighter, and tissue residues are reduced.
The clamping block 33 and the clamping buckle 28 are respectively arranged on the outer sides of the holding rod 3 and the connecting part 2; the clamping block 33 and the clamping buckle 28 are respectively provided with inclined convex teeth for preventing loosening after connection.
The inner wall of the connecting pipe 21 is fixedly provided with a fixing ring 27, and the fixing ring 27 is fixedly connected with the bell mouth 51.
Example III
On the basis of the first or second embodiment, a rotating part is additionally arranged;
a rotating part 6 is arranged between the debridement head 1 and the connecting part 2, and the rotating part 6 comprises
A clamping shell 61 fixedly connected with the connecting part 2;
the rotating sphere center 63 is positioned in the clamping shell 61 and rotates freely relative to the clamping shell 61;
wherein, the upper end of the debridement head 2 is connected with an extension pipe sleeve 14; the lengthened pipe sleeve 14 penetrates through the rotary sphere center 63 and is fixedly connected with the rotary sphere center 63, the upper end of the lengthened pipe sleeve 14 is connected with the connecting portion 2, and the cavity of the debridement head 1 is communicated with the connecting portion 2.
A lubrication layer 62 is arranged between the clamping shell 61 and the rotating sphere center 63 for guaranteeing lubrication.
A damping layer is further arranged between the clamping shell 61 and the rotating sphere center 63, and when the damping device is used, a proper damping amount can be achieved, and good hand feeling can be achieved. And the subtle operation and the limit operation of debridement operation are facilitated.
The clamping shell 61, the rotary sphere center 63 or the lengthened pipe sleeve 14 is provided with a limiting piece for limiting the rotation amplitude of the rotary sphere center 63.
Through setting up rotation portion 6, realize debridement head conversion in certain within range, be favorable to clearing up the pathological change tissue of oblique inwards, also be favorable to reducing the extrusion application of force to normal tissue in debridement process.
Example IV
On the basis of the first, second or third embodiment;
the length of the adsorption tube 5 is smaller than the length of the cavity 31 of the holding rod 3, and the tail end of the adsorption tube 5 is sealed, so that the invention can be used for taking pathological materials, and is characterized in that the debridement head 1 is utilized to scrape pathological tissues, then the adsorption tube 5 is utilized to store the pathological tissues, and then the connection relation between the connecting part 2 and the holding rod 3 is released, so that the pathological tissues in the adsorption tube 5 are taken away.
Example five
On the basis of the first, second or third embodiment;
the outside of the holding rod 3 is provided with an anti-slip layer 32 for increasing the hand feeling of the holding rod 3 and increasing the static friction between the hand and the holding rod 3.
The device also comprises a negative pressure head 4, wherein the negative pressure head 4 is connected with the tail part of the holding rod 3; and the negative pressure head 4 is communicated with the cavity 31 or further communicated with the adsorption tube 5, and is used for connecting negative pressure adsorption equipment, and adsorbing the debridement head and the scraped object in the adsorption tube.
The above description is only a preferred embodiment of the present invention, and all the directions of up, down, left, right, front, back, etc. are only convenient to understand, but are not limited to the practical use of the product, and the scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. A pen-shaped debrider, which is characterized by comprising
The debridement head is hollow and internally provided with a containing cavity, and comprises
The scraping knife is provided with a plurality of scraping knives which are connected with the debridement head and positioned on the outer side surface of the debridement head;
the adsorption opening is arranged on the debridement head and corresponds to the scraper; the adsorption opening is communicated with the containing cavity and is used for enabling a scraping object of the scraper to enter the cavity;
the holding rod is internally provided with a cavity, and the cavity penetrates through the holding rod;
one end of the connecting part is connected with the tail part of the debridement head, and the other end of the connecting part is connected with the holding rod; the connecting part comprises
The connecting pipe is used for connecting the debridement head and the holding rod;
the adsorption tube is positioned in the connecting tube, the front end of the adsorption tube is provided with a horn mouth, the large mouth end of the horn mouth is connected with the connecting tube or the debridement head and tail part, and the small mouth end of the horn mouth is connected with the adsorption tube and used for preventing backflow;
wherein a rotating part is arranged between the debridement head and the connecting part, and comprises
The clamping shell is fixedly connected with the connecting part;
the rotating ball center is positioned in the clamping shell and rotates freely relative to the clamping shell;
wherein, the upper end of the debridement head is connected with an extension pipe sleeve; the lengthened pipe sleeve penetrates through the rotary sphere center and is fixedly connected with the rotary sphere center, the upper end of the lengthened pipe sleeve is connected with the connecting portion, and the cavity of the debridement head is communicated with the connecting portion.
2. The pen debrider of claim 1, wherein: the scraper is provided with a cutting edge which is arc-shaped and the radian is more than or equal to 180 degrees.
3. The pen debrider of claim 1, wherein: the debridement head is made of hard elastic materials.
4. A pen debrider according to claim 1 or 2, wherein: the debridement head is provided with a long groove which penetrates through the debridement head, and the long groove is arranged in an equal division manner relative to the central circumference of the debridement head and used for improving the elasticity of the debridement head, rapidly debridement and reducing the extrusion to normal tissues.
5. The pen debrider of claim 1, wherein: the upper end of connecting portion is provided with the internal thread, the corresponding internal thread of gripping pole is provided with the external screw thread, the upper end and the gripping pole threaded connection of connecting portion.
6. The pen debrider of claim 5, wherein: the connecting pipe medial surface connection is provided with the separation blade, the separation blade is flange shape, has elasticity, with the connecting pipe constitutes a joint groove, the pole of gripping is located in the joint groove, and laminating between pole and the separation blade of gripping.
7. The pen debrider of claim 1, wherein: the connecting part is fixedly clamped with the holding rod, a clamping block and a clamping buckle are respectively arranged between the holding rod and the connecting part, and the clamping block is connected with the clamping buckle in a matched manner.
8. The pen debrider of claim 1, wherein: and the clamping shell, the rotary sphere center or the lengthened pipe sleeve is provided with a limiting piece for limiting the rotation amplitude of the rotary sphere center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261667.5A CN108324349B (en) | 2018-03-28 | 2018-03-28 | Pen-shaped debridement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261667.5A CN108324349B (en) | 2018-03-28 | 2018-03-28 | Pen-shaped debridement device |
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| Publication Number | Publication Date |
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| CN108324349A CN108324349A (en) | 2018-07-27 |
| CN108324349B true CN108324349B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810261667.5A Active CN108324349B (en) | 2018-03-28 | 2018-03-28 | Pen-shaped debridement device |
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| CN (1) | CN108324349B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111887943B (en) * | 2020-08-31 | 2021-05-11 | 重庆医药高等专科学校 | Medical burn scab grinding device |
| CN114903567B (en) * | 2022-05-13 | 2023-03-14 | 中国人民解放军总医院第四医学中心 | Clear processing apparatus that creates of surgery that pollutant was collected certainly |
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|---|---|---|---|---|
| US5569270A (en) * | 1994-12-13 | 1996-10-29 | Weng; Edward E. | Laparoscopic surgical instrument |
| US5913867A (en) * | 1996-12-23 | 1999-06-22 | Smith & Nephew, Inc. | Surgical instrument |
| CN2862990Y (en) * | 2005-09-29 | 2007-01-31 | 张军红 | Universal angle modulation knives for surgical purposes |
| CN101522115A (en) * | 2006-10-04 | 2009-09-02 | 路径医学科技公司 | Interventional catheters |
| KR20110127958A (en) * | 2010-05-20 | 2011-11-28 | 주식회사 한국센트랄 | Ball joint |
| CN202589612U (en) * | 2012-06-04 | 2012-12-12 | 田方兴 | Rotary cutting instrument |
| CN205198079U (en) * | 2015-10-20 | 2016-05-04 | 宁波华科润生物科技有限公司 | Novel decompression bistrique |
-
2018
- 2018-03-28 CN CN201810261667.5A patent/CN108324349B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5569270A (en) * | 1994-12-13 | 1996-10-29 | Weng; Edward E. | Laparoscopic surgical instrument |
| US5913867A (en) * | 1996-12-23 | 1999-06-22 | Smith & Nephew, Inc. | Surgical instrument |
| CN2862990Y (en) * | 2005-09-29 | 2007-01-31 | 张军红 | Universal angle modulation knives for surgical purposes |
| CN101522115A (en) * | 2006-10-04 | 2009-09-02 | 路径医学科技公司 | Interventional catheters |
| KR20110127958A (en) * | 2010-05-20 | 2011-11-28 | 주식회사 한국센트랄 | Ball joint |
| CN202589612U (en) * | 2012-06-04 | 2012-12-12 | 田方兴 | Rotary cutting instrument |
| CN205198079U (en) * | 2015-10-20 | 2016-05-04 | 宁波华科润生物科技有限公司 | Novel decompression bistrique |
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| Publication number | Publication date |
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| CN108324349A (en) | 2018-07-27 |
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Inventor after: Xu Yi Inventor after: Wang Yangjian Inventor after: Wei Peng Inventor before: Xu Yi Inventor before: Wei Peng Inventor before: Wang Yangjian |