CN107928753A - A kind of intestinal scissors - Google Patents
A kind of intestinal scissors Download PDFInfo
- Publication number
- CN107928753A CN107928753A CN201711325600.5A CN201711325600A CN107928753A CN 107928753 A CN107928753 A CN 107928753A CN 201711325600 A CN201711325600 A CN 201711325600A CN 107928753 A CN107928753 A CN 107928753A
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- temperature
- forging
- adjusting rod
- intestinal
- scissors
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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
- A61B17/3201—Scissors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Metallurgy (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Gynecology & Obstetrics (AREA)
- Radiology & Medical Imaging (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a kind of intestinal scissors, belongs to medical field, including：First cuts handle（1）Handle is cut with second（2）, described first, which cuts handle and first, cuts hingedly forming intestinal scissors；Miniature webcam is equipped with the inside of the tough portion in end two of the intestinal scissors（4）, the miniature webcam and tough portion are into a plane.
Description
Technical field
The present invention relates to field of medical products.
Background technology
Gastrointestinal surgery is mainly engaged in the treatment based on operation on digestive tract, including the surgery of various GI benign lesions is controlled
Treat（Intestinal obstruction, hemorrhage of digestive tract, Alimentary Tract Perforation, gastroduodenal ulcer, inflammatory bowel disease, congenital megacolon, acute and chronic
The surgical intervention of appendicitis, reflux esophagitis）, and intestines and stomach innocent and malignant tumour（Radical operation for carcinoma of stomach, radical resection for colorectal cancer,
Intestinal tumor excision, total gastrectomy）.Advocate " people-oriented ", pay attention to the quality of life of postoperative patients, low level anusreserved surgery
Etc. reaching advanced level inside the province.
It is frequently necessary to use intestinal scissors in gastrointestinal surgery, existing operating scissors are mainly made up of two simple shear bodies,
Clamped among the process cut with one value of hand so that hand is easily tired.
Although having shadowless lamp at the same time, also it is difficult to accurate observation at that time and wants corresponding hoc scenario.
The content of the invention
It is an object of the invention to：For above-mentioned problem, there is provided a kind of intestinal scissors, it is characterised in that including：
First cuts handle and second cuts handle, and described first, which cuts handle and first, cuts hingedly forming intestinal scissors；The end of the intestinal scissors
Miniature webcam, the miniature webcam and tough portion are equipped with the inside of two tough portions into a plane；
Described second is cut is equipped with latch upper cutting at handle, latch is list structure, and continuous tooth is equipped with list structure
Mouthful；
Described first is cut an adjusting rod is above hinged with, and described adjusting rod one end and first are cut being hinged, and the other end is set
There is the convex portion that can be stuck in tooth mouth；Described first is cut being equipped with a card slot for being capable of secured adjusted bar, the card
Groove is made of elastomeric material, and centre is equipped with a channel structure, can fix adjusting rod.
Intestinal scissors of the present invention can be blocked adjusting rod by latch, further pass through tune among the process of clamping
Pole clamps intestinal scissors, avoids the fatigue of hand.In the case where secured mode is not required, adjusting rod can be fixed in card slot,
Preventer influences operation.
The intestinal scissors of the present invention has visual function, and the tissue view before cutting is delivered to the display of outside by miniature webcam
On screen, doctor being capable of more exact operations by display information.
As an improvement, the adjusting rod includes the first adjusting rod, the first adjusting rod and pivoted housing, first adjusting rod
Screw thread is equipped with the outer surface of the second adjusting rod, the inner wall of the pivoted housing is equipped with screw thread, and the first adjusting rod and second are adjusted
Bar is threadedly coupled with pivoted housing respectively, rotates pivoted housing, and the length of adjusting rod can change.
By adjusting the length of adjusting rod, it can facilitate and unclamp the intestinal scissors of clamping.
As an improvement, the intestinal scissors is prepared by Ni-Fe based high-temperature alloys material.
As an improvement, the high-temperature alloy material includes following alloying element：C：0.04-0.05%、Fe：19.0-21.0%、
Cr：19.5-20.5%、Al:0.90-1.05%、Ti：2.65-2.80%、V：0.20-0.30%、Mo：2.0-2.5%、Nb：1.50-
1.70%、Y+Ce：0.046-0.058%、B：0.003-0.006%, surplus are Ni and other impurity.
As an improvement, high-temperature alloy material includes the P and S that mass fraction is less than 0.024%, the high-temperature alloy material is also
Including following alloying element：C：0.047%、Fe：20.3%、Cr：19.9%、Al:0.96%、Ti：2.74%、V：0.25%、Mo：
2.3%、Nb：1.63%、Y+Ce：0.051%、B：0.005%, surplus is Ni and other impurity.
As an improvement, comprise the following steps：
1）Weigh raw material by component percentages, using it is existing smelting high temperature alloy preparation process, in vaccum sensitive stove in
Melting is carried out at 1500 DEG C, solution pours into alloy casting blank；
2）Alloy casting blank is subjected to removing surface, be subsequently placed in vacuum furnace be heated to 810-820 DEG C and remove alloy casting
The oxide skin on base surface, obtains forging blank, wherein heating rate control is in 120 DEG C/h；
3）Forging blank is continued to be heated to forging temperature to be forged, room temperature is air-cooled to after forging, and be surface-treated；
4）By after surface treatment forge piece carry out solid-solution and aging heat treatment after to obtain the final product.
As an improvement, in step 3）In, forging temperature is 1200-1250 DEG C, time 2-3h, starting forging temperature 1150
DEG C, it is 850 DEG C to stop forging temperature.
As an improvement, after forging blank reaches forging temperature, it will forge blank upsetting pull using forge press and become shape forging
Forging base is formed, wherein, fire time is 4, and forging ratio control need to carry out 3 times respectively in 6.2-6.5, upsetting pull process.
As an improvement, in step 3）In, forging base be cooled to stop forge temperature after, continue to send into forge press upsetting pull become
Die forging causes certain thickness alloy slab, and fire time is 4, and forging ratio control need to carry out 3 times respectively in 2.0-2.3, upsetting pull process.
As an improvement, in step 4）In, the detailed process of solid-solution and aging heat treatment is：Solid solubility temperature is 1100-1150 DEG C,
Keep the temperature 2h, oil cooling；700-750 DEG C of an aging temperature, keeps the temperature 20-25h, air-cooled；Secondary ageing treatment temperature 660-680
DEG C, 20-25h is kept the temperature, it is air-cooled.
Intestinal scissors intensity prepared by material disclosed by the invention is big, rigidity is big, endurance, does not allow among high-temperature sterilization process
Internal modification, service life length easily occurs.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the schematic diagram of adjusting rod of the present invention；
Fig. 3 is the schematic diagram of miniature webcam；
Marked in figure：1- first cuts handle, 101- card slots, and 2- second cuts handle, 201- latches, 3- adjusting rods, the first adjusting rods of 301-,
The second adjusting rods of 302-, 303- pivoted housings, 4- miniature webcams.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific embodiment 1：As shown in Figs. 1-2, a kind of intestinal scissors of the present invention, including：First cuts 1 and second is cut 2, described
First cut handle and first and cut hingedly forming intestinal scissors；Miniature video camera is equipped with the inside of the tough portion in end two of the intestinal scissors
First 4, the miniature webcam and tough portion are into a plane；Described second is cut is equipped with latch 201 cutting on 2 at handle, card
Tooth is list structure, and continuous tooth mouth is equipped with list structure；Described first is cut being above hinged with an adjusting rod 3, institute
The adjusting rod one end and first stated are cut being hinged, and the other end is equipped with the convex portion that can be stuck in tooth mouth.Described first is cut upper
Equipped with a card slot 101 for being capable of secured adjusted bar 3, the card slot is made of elastomeric material, and centre is equipped with a conduit knot
Structure, can fix adjusting rod.
The adjusting rod 3 includes the first adjusting rod 301, the first adjusting rod 302 and pivoted housing 303, and described first is adjusted
The outer surface of bar and the second adjusting rod is equipped with screw thread, and the inner wall of the pivoted housing is equipped with screw thread, and the first adjusting rod and second are adjusted
Pole is threadedly coupled with pivoted housing respectively, rotates pivoted housing, and the length of adjusting rod can change.
Specific embodiment 2：A kind of Ni-Fe based high-temperature alloys material, by mass percentage, the high-temperature alloy material bag
Include following alloying element：C：0.04-0.05%、Fe：19.0-21.0%、Cr：19.5-20.5%、Al:0.90-1.05%、Ti：
2.65-2.80%、V：0.20-0.30%、Mo：2.0-2.5%、Nb：1.50-1.70%、Y+Ce：0.046-0.058%、B：0.003-
0.006%, surplus is Ni and other impurity.Wherein, high-temperature alloy material further includes the P and S that mass fraction is less than 0.024%.
The preparation method of above-mentioned Ni-Fe based high-temperature alloy materials, comprises the following steps：
1）Weigh raw material by component percentages, using it is existing smelting high temperature alloy preparation process, in vaccum sensitive stove in
Melting is carried out at 1500 DEG C, solution pours into alloy casting blank；
2）Alloy casting blank is subjected to removing surface, be subsequently placed in vacuum furnace be heated to 810-820 DEG C and remove alloy casting
The oxide skin on base surface, obtains forging blank, wherein heating rate control is in 120 DEG C/h；
3）Forging blank is continued to be heated to forging temperature to be forged, room temperature is air-cooled to after forging, and be surface-treated；
4）By after surface treatment forge piece carry out solid-solution and aging heat treatment after to obtain the final product.
In step 3）In, forging temperature is 1200-1250 DEG C, time 2-3h, and starting forging temperature is 1150 DEG C, stops forging temperature
For 850 DEG C.Starting forging temperature and the selection for stopping forging temperature are extremely important, in addition to according to the selection of conventional forging temperature requirement, necessarily
It is noted that the width range of forging temperature and the terminal of forging temperature, the terminal of forging temperature is excessive, and forging blank is not easy
The fine and closely woven tissue of crystal grain is obtained, mechanical property is poor, and the terminal of forging temperature is too low, then phase transformation crackle easily occurs, in this hair
In bright, forging temperature be 1200-1250 DEG C, starting forging temperature be 1150 DEG C, stop forge temperature be 850 DEG C when, forging blank be easy to get to
Satisfactory forging.
The forging base that crack defect is few in order to obtain, crystal grain is fine and closely woven and is evenly distributed, after forging blank reaches forging temperature,
Blank upsetting pull, which will be forged, using forge press becomes shape forging formation forging base, wherein, fire time is 4, and forging ratio control is in 6.2-
6.5, upsetting pull process need to carry out 3 times respectively.
Further, in step 3）In, forging base be cooled to stop forge temperature after, continue to send into forge press upsetting pull become
Die forging causes certain thickness alloy slab, and fire time is 4, and forging ratio control need to carry out 3 times respectively in 2.0-2.3, upsetting pull process, with
Final getable alloy slab metallographic structure is more refined, be more evenly distributed, the defects of gentle hole clip of flawless is miscellaneous exists.
Further, in step 4）In, the detailed process of solid-solution and aging heat treatment is：Solid solubility temperature is 1100-1150 DEG C,
Keep the temperature 2h, oil cooling；700-750 DEG C of an aging temperature, keeps the temperature 20-25h, air-cooled；Secondary ageing treatment temperature 660-680
DEG C, 20-25h is kept the temperature, it is air-cooled.
In order to which the present invention is better described, table 1 lists section Example：
1 Ni-Fe based high-temperature alloys material composi of table and content（Impurity is omitted herein）
The main performance of Ni-Fe based high-temperature alloys material is as shown in table 2 made from above-described embodiment：
The main performance of 2 embodiment 1-5 final alloy materials of table
Note：1st, toughness is measured by Charpy impact machine tester；
2nd, etching extent uses 65% nitric acid corrosion tests, that is, is put into sample in 65% salpeter solution of boiling when testing continuous
48h is a cycle, in totally 5 cycles, finally calculates average corrosion rate, wherein, sample is in its cooling at 750-850 DEG C
To 100 DEG C or so rear experiments.
It can be obtained by table 2, at 850 DEG C, the tensile strength of Ni-Fe based high-temperature alloy materials of the invention reaches
1270N/mm2, yield strength reaches 1030 N/mm2, toughness reaches 12.1 J/cm2, the rate of corrosion minimum 0.031 mm/ months.
Claims (10)
- A kind of 1. visual intestinal scissors, it is characterised in that including：First cuts handle（1）Handle is cut with second（2）, described first, which cuts handle and first, cuts hingedly forming intestinal scissors；The intestinal scissors The tough portion in end two on the inside of be equipped with miniature webcam（4）, the miniature webcam and tough portion are into a plane；Described second cuts handle（2）On cut latch be equipped with handle（201）, latch is list structure, is equipped with list structure Continuous tooth mouth；Described first is cut being above hinged with an adjusting rod（3）, described adjusting rod one end and first is cut hinged, the other end Equipped with the convex portion that can be stuck in tooth mouth；Described first cut be equipped with one being capable of secured adjusted bar（3）Card slot（101）, the card slot is by elastomeric material It is made, centre is equipped with a channel structure, can fix adjusting rod.
- 2. intestinal scissors according to claim 1, it is characterised in that the adjusting rod（3）Including the first adjusting rod（301）、 First adjusting rod（302）And pivoted housing（303）, first adjusting rod and the outer surface of the second adjusting rod be equipped with screw thread, institute The inner wall for the pivoted housing stated is equipped with screw thread, and the first adjusting rod and the second adjusting rod are threadedly coupled with pivoted housing respectively, are rotated pivoted housing, are adjusted The length of bar can change.
- 3. according to claim 1-2 any one of them intestinal scissors, it is characterised in that the intestinal scissors is by Ni-Fe based high-temperature alloys It is prepared by material.
- 4. intestinal scissors according to claim 3, it is characterised in that it is characterized in that, the high-temperature alloy material is including following Alloying element：C：0.04-0.05%、Fe：19.0-21.0%、Cr：19.5-20.5%、Al:0.90-1.05%、Ti：2.65- 2.80%、V：0.20-0.30%、Mo：2.0-2.5%、Nb：1.50-1.70%、Y+Ce：0.046-0.058%、B：0.003- 0.006%, surplus is Ni and other impurity.
- 5. intestinal scissors as claimed in claim 4, it is characterised in that high-temperature alloy material includes the P that mass fraction is less than 0.024% And S, the high-temperature alloy material further include following alloying element：C：0.047%、Fe：20.3%、Cr：19.9%、Al:0.96%、 Ti：2.74%、V：0.25%、Mo：2.3%、Nb：1.63%、Y+Ce：0.051%、B：0.005%, surplus is Ni and other impurity.
- 6. intestinal scissors as claimed in claim 5, it is characterised in that comprise the following steps：1）Weigh raw material by component percentages, using it is existing smelting high temperature alloy preparation process, in vaccum sensitive stove in Melting is carried out at 1500 DEG C, solution pours into alloy casting blank；2）Alloy casting blank is subjected to removing surface, be subsequently placed in vacuum furnace be heated to 810-820 DEG C and remove alloy casting The oxide skin on base surface, obtains forging blank, wherein heating rate control is in 120 DEG C/h；3）Forging blank is continued to be heated to forging temperature to be forged, room temperature is air-cooled to after forging, and be surface-treated；4）By after surface treatment forge piece carry out solid-solution and aging heat treatment after to obtain the final product.
- 7. intestinal scissors as claimed in claim 6, it is characterised in that in step 3）In, forging temperature is 1200-1250 DEG C, the time For 2-3h, starting forging temperature is 1150 DEG C, and it is 850 DEG C to stop forging temperature.
- 8. intestinal scissors as claimed in claim 7, it is characterised in that after forging blank reaches forging temperature, utilize forge press The upsetting pull of forging blank is become into shape forging and forms forging base, wherein, fire time is 4, and forging ratio control need to divide in 6.2-6.5, upsetting pull process Carry out not be 3 times.
- 9. intestinal scissors as claimed in claim 8, it is characterised in that in step 3）In, forging base be cooled to stop forge temperature after, continue Upsetting pull deformation is sent into forge press to be forged into certain thickness alloy slab, fire time is 4, and forging ratio is controlled in 2.0-2.3, upsetting The process of pulling out need to carry out 3 times respectively.
- 10. intestinal scissors as claimed in claim 9, it is characterised in that in step 4）In, the detailed process of solid-solution and aging heat treatment For：Solid solubility temperature is 1100-1150 DEG C, keeps the temperature 2h, oil cooling；700-750 DEG C of an aging temperature, keeps the temperature 20-25h, empty It is cold；660-680 DEG C of secondary ageing treatment temperature, keeps the temperature 20-25h, air-cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711325600.5A CN107928753A (en) | 2017-12-13 | 2017-12-13 | A kind of intestinal scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711325600.5A CN107928753A (en) | 2017-12-13 | 2017-12-13 | A kind of intestinal scissors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107928753A true CN107928753A (en) | 2018-04-20 |
Family
ID=61944026
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711325600.5A Withdrawn CN107928753A (en) | 2017-12-13 | 2017-12-13 | A kind of intestinal scissors |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972752A (en) * | 1971-09-28 | 1976-08-03 | Creusot-Loire | Alloys having a nickel-iron-chromium base for structural hardening by thermal treatment |
| US5674244A (en) * | 1991-07-09 | 1997-10-07 | Synthes (U.S.A.) | Locking device on a pliers-shaped tool |
| CN102171373A (en) * | 2008-10-02 | 2011-08-31 | 住友金属工业株式会社 | Ni-based heat-resistant alloy |
| CN203555811U (en) * | 2013-10-11 | 2014-04-23 | 南阳医学高等专科学校第一附属医院 | Orthopedic distraction pincers |
| CN204233182U (en) * | 2014-11-24 | 2015-04-01 | 李斌 | A kind of thoracic surgery auricle clamp |
| CN104921765A (en) * | 2015-05-28 | 2015-09-23 | 苏州瑞华医院有限公司 | Microsurgical point-spreading forceps |
| CN204723138U (en) * | 2015-04-13 | 2015-10-28 | 无锡市第二人民医院 | A kind of pin hole shooting Minimally Invasive Surgery pincers |
| CN205054353U (en) * | 2015-09-14 | 2016-03-02 | 胡惠萍 | Wound washs pincers |
| CN205307048U (en) * | 2015-12-16 | 2016-06-15 | 无锡亿仁肿瘤医院有限公司 | Bendable minimally invasive instrument |
| CN106521243A (en) * | 2016-12-05 | 2017-03-22 | 四川六合锻造股份有限公司 | Ni-Cr-Mo-Nb-Al-Ti series high temperature alloy material, and preparation method and application thereof |
-
2017
- 2017-12-13 CN CN201711325600.5A patent/CN107928753A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972752A (en) * | 1971-09-28 | 1976-08-03 | Creusot-Loire | Alloys having a nickel-iron-chromium base for structural hardening by thermal treatment |
| US5674244A (en) * | 1991-07-09 | 1997-10-07 | Synthes (U.S.A.) | Locking device on a pliers-shaped tool |
| CN102171373A (en) * | 2008-10-02 | 2011-08-31 | 住友金属工业株式会社 | Ni-based heat-resistant alloy |
| CN203555811U (en) * | 2013-10-11 | 2014-04-23 | 南阳医学高等专科学校第一附属医院 | Orthopedic distraction pincers |
| CN204233182U (en) * | 2014-11-24 | 2015-04-01 | 李斌 | A kind of thoracic surgery auricle clamp |
| CN204723138U (en) * | 2015-04-13 | 2015-10-28 | 无锡市第二人民医院 | A kind of pin hole shooting Minimally Invasive Surgery pincers |
| CN104921765A (en) * | 2015-05-28 | 2015-09-23 | 苏州瑞华医院有限公司 | Microsurgical point-spreading forceps |
| CN205054353U (en) * | 2015-09-14 | 2016-03-02 | 胡惠萍 | Wound washs pincers |
| CN205307048U (en) * | 2015-12-16 | 2016-06-15 | 无锡亿仁肿瘤医院有限公司 | Bendable minimally invasive instrument |
| CN106521243A (en) * | 2016-12-05 | 2017-03-22 | 四川六合锻造股份有限公司 | Ni-Cr-Mo-Nb-Al-Ti series high temperature alloy material, and preparation method and application thereof |
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