CN104490442A - Abdominal cavity precise operation ligation device for endoscope - Google Patents
Abdominal cavity precise operation ligation device for endoscope Download PDFInfo
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- CN104490442A CN104490442A CN201410843635.8A CN201410843635A CN104490442A CN 104490442 A CN104490442 A CN 104490442A CN 201410843635 A CN201410843635 A CN 201410843635A CN 104490442 A CN104490442 A CN 104490442A
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
- A61B17/12013—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot for use in minimally invasive surgery, e.g. endoscopic surgery
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
- C23C14/325—Electric arc evaporation
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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
- A61B2017/00526—Methods of manufacturing
-
- 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
Abstract
The invention relates to the technical field of minimally-invasive medical equipment, in particular to an abdominal cavity precise operation ligation device for an endoscope. The ligation device comprises a rod body, a knotting hole and a take-up reel, wherein the knotting hole is formed at the front end of the rod body and can be used for a silk thread to pass through; the take-up reel is arranged at the rear end of the rod body and is used for rolling up the silk thread. The ligation device disclosed by th einvention adopts the take-up reel for rolling up the silk thread, so that operation difficulty of endoscopic knotting can be reduced; the abdominal cavity precise operation ligation device has a simple structure, is economic and practical and does not require excessive complex operations; the operation time is shortened; a ligating effect is reliable.
Description
Technical field
The present invention relates to minimally invasive medical technique with the apparatus field, be specifically related to a kind of abdominal cavity accurate operation looping and binding device for scope.
Background technology
Universal along with the various endoscopic surgery of hospital, under the mirror of chamber, how reliable ligation, reduces tissue injury and complication, shorten operating time, reduce learning curve, improve surgical effect, improve surgical quality, save surgery cost to greatest extent, reduce the important research work that technique approval condition becomes, still the method for external knotting is followed, because sew application difficulty under the mirror of chamber is comparatively large, often time-consuming more in ligation process under order front cavity mirror, operation inconvenience, ligation effect is also unreliable.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the object of the present invention is to provide a kind of abdominal cavity accurate operation looping and binding device for scope, this looping and binding device structure is simple, economical and practical, and without the need to too much complex operations, shorten operating time, ligation is reliable for effect.
Object of the present invention is achieved through the following technical solutions: a kind of abdominal cavity accurate operation looping and binding device for scope, the knotting hole that described looping and binding device comprises barred body, Gong the silk thread that is opened in barred body front end passes, the take-up pulley for rolling silk thread being arranged at barred body rear end.
Preferably, the front end of described barred body is provided with a spoonful connected in star, and described knotting hole is arranged at the front end of spoonful connected in star; The lateral wall of described barred body offers the trough for accommodating silk thread; The diameter of described barred body is 0.5cm, and the length of described barred body is 40-50cm; The aperture in described knotting hole is 0.4-0.8mm.Because of mirror sheath only 5cm diameter, silk thread is attached to barred body outside and hinders barred body enter mirror sheath and affect operation, and arranging of trough can imbed silk thread, does not affect the external diameter of barred body.The nose circle of described barred body is blunt, and described knotting hole is not by the toe-in of corresponding silk thread.
Preferably, described take-up pulley is provided with the locking device that can clamp silk thread; Described take-up pulley is provided with can the handle of tightened wire.Described locking device is the bayonet unit commonly used of this area or other locking device that take-up pulley can be made to block, and the clamping after the setting of locking device is used for take-up is fixed, and prevents silk thread from loosening.The setting of handle is convenient to collect and tightened wire.
Preferably, described barred body is obtained by medical stainless steel material, described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.1-0.2%, Si:0.6-1%, Mn:6-12%, Al:0.1-0.5%, Cr:14-18%, Ni:1-5%, N:0.5-1%, Mo:2.5-3.5%, Cu:1-1.5%, Ti:0.1-0.5%, Zr:0.01-0.05%, Re:0.01-0.05%, P≤0.01%, S≤0.01%, and surplus is Fe.
Preferably, described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.12-0.18%, Si:0.7-0.9%, Mn:8-10%, Al:0.2-0.4%, Cr:15-17%, Ni:2-4%, N:0.7-0.9%, Mo:2.8-3.2%, Cu:1.1-1.3%, Ti:0.2-0.4%, Zr:0.02-0.04%, Re:0.02-0.04%, P≤0.008%, S≤0.008%, and surplus is Fe.
Preferably, described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.15%, Si:0.8%, Mn:9%, Al:0.3%, Cr:16%, Ni:3%, N:0.8%, Mo:3%, Cu:1.2%, Ti:0.3%, Zr:0.03%, Re:0.03%, P≤0.005%, S≤0.005%, and surplus is Fe.
Barred body of the present invention is obtained by medical stainless steel material, and not containing toxicity nickel element, it is good that cytotoxicity and pyrogen measure performance, there is excellent mechanical property, good resistance to corrosion, especially anti-spot corrosion and anti intercrystalline corrosion, and there is higher wearability.
Preferably, the preparation method of described barred body comprises the steps:
(1) melting: nitrogen protection, according to proportioning refine at 1400-1450 DEG C of above-mentioned chemical composition, nitrogen pressure remains on 0.3-0.4MPa, pouring temperature 1400-1420 DEG C, obtain vacuum ingot, then blanketing with inert gas electroslag remelting, obtain the ESR ingot that surface quality is more smooth;
(2) Homogenization Treatments: by ESR ingot Homogenization Treatments 5-7h at 1000-1040 DEG C;
(3) forge: forging initial temperature 1000-1040 DEG C, final forging temperature is 900-940 DEG C, obtains forging stock;
(4) hot rolling: forging stock is heated to 1000-1040 DEG C, hot rolling becomes bar, and air cooling is to room temperature;
(5) cold drawn: by cold drawn for bar one-tenth wire rod, processing obtains barred body.
Preferably, in described step (5), time cold drawn, adopt 1050-1080 DEG C to anneal and eliminate work hardening.
The preparation method of barred body of the present invention adopts melting, Homogenization Treatments, forging, hot rolling and the step such as cold rolling, all can improve stainless intensity, and reduce the production cost of high-strength stainless steel finished product, and have good plasticity, meet the needs of deformation processing.
Preferably, the surface electrical of described barred body is coated with PdFe alloy modification coating, the preparation method of described PdFe alloy modification coating is: by filtered cathode vacuum arc technique, high-purity Pd and high-purity Fe is deposited one deck Pd and Fe thin film successively on barred body surface, film thickness is respectively: Fe film 4-6 μm, Pd film 1-3 μm, and the Pd film formed and Fe film are reacted by abundant counterdiffusion and form PdFe alloy modification coating.
Preferably, the preparation method of described PdFe alloy modification coating is specially: adopt filtered cathode vacuum arc technique, cathode arc target selects high purity iron and High Purity Palladium to make target, when barred body surface temperature reaches 100-120 DEG C, carry out filtered cathode vacuum arc, setting Ar gas shielded air pressure 0.4-0.6Pa, workpiece back bias voltage 100-110V, the sedimentation rate of arc current 80-90A, control Fe film is the sedimentation rate of 0.8-1 μm/min, Pd film is 0.2-0.4 μm/min; The plated film time is respectively: Fe film 8-16min, Pd film 2-6min; Then carry out diffusion in vacuum heat treatment, treatment process is heating under vacuum 700-900 DEG C of insulation 18-24min.
Barred body surface electrical of the present invention is coated with PdFe alloy modification coating, have film thickness evenly, strong adhesion, good biocompatibility there is the features such as certain magnetic property.
Beneficial effect of the present invention is: looping and binding device of the present invention adopts the take-up pulley being used for rolling silk thread, the operating difficulty of tiing a knot under can reducing mirror, and structure is simple, economical and practical, and without the need to too much complex operations, shorten operating time, ligation is reliable for effect.
Looping and binding device tool of the present invention has the following advantages: 1, reduce the operating difficulty of tiing a knot under mirror; 2, ligation is firm; 3, fast easy to operate, save operating time; 4, lossless, without the need to maintenance; 5, cost saving; 6, remain without metallic foreign body; 7, can be used for the ligation of fine pipeline tissue: as the process of appendiceal stump, blood vessel, cystic duct, gallbladder arteriovenous etc.; 8, vascular ligation operation is being carried out without the hospital of ultrasound knife is alternative.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Reference numeral is: 1-barred body, 11-spoon connected in star, 12-trough, 2-knotting hole, 3-take-up pulley, 31-locking device, 32-handle.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing 1, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1
The knotting hole 2 that Gong the silk thread see Fig. 1, a kind of abdominal cavity accurate operation looping and binding device for scope, described looping and binding device comprises barred body 1, being opened in barred body 1 front end passes, the take-up pulley 3 for rolling silk thread being arranged at barred body 1 rear end.
In the present embodiment, the front end of described barred body 1 is provided with spoonful connected in star 11, and described knotting hole 2 is arranged at the front end of spoonful connected in star 11; The lateral wall of described barred body 1 offers the trough 12 for accommodating silk thread; The diameter of described barred body 1 is 0.5cm, and the length of described barred body 1 is 40cm; The aperture in described knotting hole 2 is 0.4mm.
In the present embodiment, described take-up pulley 3 is provided with the locking device 31 that can clamp silk thread; Described take-up pulley 3 is provided with can the handle 32 of tightened wire.
Looping and binding device of the present invention adopts the take-up pulley 3 being used for rolling silk thread, the operating difficulty of tiing a knot under can reducing mirror, and structure is simple, economical and practical, and without the need to too much complex operations, shorten operating time, ligation is reliable for effect.
When looping and binding device of the present invention uses, mention ligation tissue, be inserted in binding circle by looping and binding device, in the tension of correct position looping and binding device silk thread, normally carry out second time knotting and namely complete ligation operation.
Looping and binding device tool of the present invention has the following advantages: 1, reduce the operating difficulty of tiing a knot under mirror; 2, ligation is firm; 3, fast easy to operate, save operating time; 4, lossless, without the need to maintenance; 5, cost saving; 6, remain without metallic foreign body; 7, can be used for the ligation of fine pipeline tissue: as the process of appendiceal stump, blood vessel, cystic duct, gallbladder arteriovenous etc.; 8, vascular ligation operation is being carried out without the hospital of ultrasound knife is alternative.
In the present embodiment, described barred body 1 is obtained by medical stainless steel material, described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.1%, Si:0.6%, Mn:6%, Al:0.1%, Cr:14%, Ni:1%, N:0.5%, Mo:2.5%, Cu:1%, Ti:0.1%, Zr:0.01%, Re:0.01%, P≤0.01%, S≤0.01%, and surplus is Fe.
Barred body 1 of the present invention is obtained by medical stainless steel material, and not containing toxicity nickel element, it is good that cytotoxicity and pyrogen measure performance, there is excellent mechanical property, good resistance to corrosion, especially anti-spot corrosion and anti intercrystalline corrosion, and there is higher wearability.
The preparation method of described barred body 1 comprises the steps:
(1) melting: nitrogen protection, according to proportioning refine at 1400 DEG C of above-mentioned chemical composition, nitrogen pressure remains on 0.3MPa, and pouring temperature 1400 DEG C, obtains vacuum ingot, then blanketing with inert gas electroslag remelting, obtains the ESR ingot that surface quality is more smooth;
(2) Homogenization Treatments: by ESR ingot Homogenization Treatments 5h at 1000 DEG C;
(3) forge: forging initial temperature 1000 DEG C, final forging temperature is 900 DEG C, obtains forging stock;
(4) hot rolling: forging stock is heated to 1000 DEG C, hot rolling becomes bar, and air cooling is to room temperature;
(5) cold drawn: by cold drawn for bar one-tenth wire rod, processing obtains barred body 1.
In described step (5), time cold drawn, adopt 1050 DEG C to anneal and eliminate work hardening.
The preparation method of barred body 1 of the present invention adopts melting, Homogenization Treatments, forging, hot rolling and the step such as cold rolling, all can improve stainless intensity, and reduce the production cost of high-strength stainless steel finished product, and have good plasticity, meet the needs of deformation processing.
The surface electrical of described barred body 1 is coated with PdFe alloy modification coating, the preparation method of described PdFe alloy modification coating is: by filtered cathode vacuum arc technique, high-purity Pd and high-purity Fe is deposited one deck Pd and Fe thin film successively at stainless steel surfaces, film thickness is respectively: Fe film 4 μm, Pd film 1 μm, and the Pd film formed and Fe film are reacted by abundant counterdiffusion and form PdFe alloy modification coating.
The preparation method of described PdFe alloy modification coating is specially: adopt filtered cathode vacuum arc technique, cathode arc target selects high purity iron and High Purity Palladium to make target, when barred body 1 surface temperature reaches 100 DEG C, carry out filtered cathode vacuum arc, setting Ar gas shielded air pressure 0.4Pa, workpiece back bias voltage 100V, arc current 80A, the sedimentation rate of control Fe film is the sedimentation rate of 0.8 μm/min, Pd film is 0.2 μm/min; The plated film time is respectively: Fe film 8min, Pd film 2min; Then carry out diffusion in vacuum heat treatment, treatment process is heating under vacuum 700 DEG C insulation 18min.
Barred body 1 surface electrical of the present invention is coated with PdFe alloy modification coating, have film thickness evenly, strong adhesion, good biocompatibility there is the features such as certain magnetic property.
Embodiment 2
The difference of the present embodiment and above-described embodiment 1 is: the diameter of described barred body 1 is 0.5cm, and the length of described barred body 1 is 45cm; The aperture in described knotting hole 2 is 0.5mm.
Described barred body 1 is obtained by medical stainless steel material, described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.12%, Si:0.7%, Mn:8%, Al:0.2%, Cr:15%, Ni:2%, N:0.7%, Mo:2.8%, Cu:1.1%, Ti:0.2%, Zr:0.02%, Re:0.02%, P≤0.008%, S≤0.008%, and surplus is Fe.
The preparation method of described barred body 1 comprises the steps:
(1) melting: nitrogen protection, according to proportioning refine at 1412 DEG C of above-mentioned chemical composition, nitrogen pressure remains on 0.32MPa, and pouring temperature 1405 DEG C, obtains vacuum ingot, then blanketing with inert gas electroslag remelting, obtains the ESR ingot that surface quality is more smooth;
(2) Homogenization Treatments: by ESR ingot Homogenization Treatments 5.5h at 1010 DEG C;
(3) forge: forging initial temperature 1010 DEG C, final forging temperature is 910 DEG C, obtains forging stock;
(4) hot rolling: forging stock is heated to 1010 DEG C, hot rolling becomes bar, and air cooling is to room temperature;
(5) cold drawn: by cold drawn for bar one-tenth wire rod, processing obtains barred body 1.
In described step (5), time cold drawn, adopt 1060 DEG C to anneal and eliminate work hardening.
The surface electrical of described barred body 1 is coated with PdFe alloy modification coating, the preparation method of described PdFe alloy modification coating is: by filtered cathode vacuum arc technique, high-purity Pd and high-purity Fe is deposited one deck Pd and Fe thin film successively at stainless steel surfaces, film thickness is respectively: Fe film 4.5 μm, Pd film 1.5 μm, and the Pd film formed and Fe film are reacted by abundant counterdiffusion and form PdFe alloy modification coating.
The preparation method of described PdFe alloy modification coating is specially: adopt filtered cathode vacuum arc technique, cathode arc target selects high purity iron and High Purity Palladium to make target, when barred body 1 surface temperature reaches 105 DEG C, carry out filtered cathode vacuum arc, setting Ar gas shielded air pressure 0.45Pa, workpiece back bias voltage 102V, arc current 82A, the sedimentation rate of control Fe film is the sedimentation rate of 0.85 μm/min, Pd film is 0.25 μm/min; The plated film time is respectively: Fe film 10min, Pd film 3min; Then carry out diffusion in vacuum heat treatment, treatment process is heating under vacuum 750 DEG C insulation 19min.
Embodiment 3
The difference of the present embodiment and above-described embodiment 1 is: the diameter of described barred body 1 is 0.5cm, and the length of described barred body 1 is 45cm; The aperture in described knotting hole 2 is 0.6mm.
Described barred body 1 is obtained by medical stainless steel material, described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.15%, Si:0.8%, Mn:9%, Al:0.3%, Cr:16%, Ni:3%, N:0.8%, Mo:3%, Cu:1.2%, Ti:0.3%, Zr:0.03%, Re:0.03%, P≤0.005%, S≤0.005%, and surplus is Fe.
The preparation method of described barred body 1 comprises the steps:
(1) melting: nitrogen protection, according to proportioning refine at 1475 DEG C of above-mentioned chemical composition, nitrogen pressure remains on 0.35MPa, and pouring temperature 1410 DEG C, obtains vacuum ingot, then blanketing with inert gas electroslag remelting, obtains the ESR ingot that surface quality is more smooth;
(2) Homogenization Treatments: by ESR ingot Homogenization Treatments 6h at 1020 DEG C;
(3) forge: forging initial temperature 1020 DEG C, final forging temperature is 920 DEG C, obtains forging stock;
(4) hot rolling: forging stock is heated to 1020 DEG C, hot rolling becomes bar, and air cooling is to room temperature;
(5) cold drawn: by cold drawn for bar one-tenth wire rod, processing obtains barred body 1.
In described step (5), time cold drawn, adopt 1070 DEG C to anneal and eliminate work hardening.
The surface electrical of described barred body 1 is coated with PdFe alloy modification coating, the preparation method of described PdFe alloy modification coating is: by filtered cathode vacuum arc technique, high-purity Pd and high-purity Fe is deposited one deck Pd and Fe thin film successively at stainless steel surfaces, film thickness is respectively: Fe film 5 μm, Pd film 2 μm, and the Pd film formed and Fe film are reacted by abundant counterdiffusion and form PdFe alloy modification coating.
The preparation method of described PdFe alloy modification coating is specially: adopt filtered cathode vacuum arc technique, cathode arc target selects high purity iron and High Purity Palladium to make target, when barred body 1 surface temperature reaches 110 DEG C, carry out filtered cathode vacuum arc, setting Ar gas shielded air pressure 0.5Pa, workpiece back bias voltage 105V, arc current 85A, the sedimentation rate of control Fe film is the sedimentation rate of 0.9 μm/min, Pd film is 0.3 μm/min; The plated film time is respectively: Fe film 12min, Pd film 4min; Then carry out diffusion in vacuum heat treatment, treatment process is heating under vacuum 800 DEG C insulation 21min.
Embodiment 4
The difference of the present embodiment and above-described embodiment 1 is: the diameter of described barred body 1 is 0.5cm, and the length of described barred body 1 is 45cm; The aperture in described knotting hole 2 is 0.7mm.
Described barred body 1 is obtained by medical stainless steel material, described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.18%, Si:0.9%, Mn:10%, Al:0.4%, Cr:17%, Ni:4%, N:0.9%, Mo:3.2%, Cu:1.3%, Ti:0.4%, Zr:0.04%, Re:0.04%, P≤0.008%, S≤0.008%, and surplus is Fe.
The preparation method of described barred body 1 comprises the steps:
(1) melting: nitrogen protection, according to proportioning refine at 1435 DEG C of above-mentioned chemical composition, nitrogen pressure remains on 0.38MPa, and pouring temperature 1415 DEG C, obtains vacuum ingot, then blanketing with inert gas electroslag remelting, obtains the ESR ingot that surface quality is more smooth;
(2) Homogenization Treatments: by ESR ingot Homogenization Treatments 6.5h at 1030 DEG C;
(3) forge: forging initial temperature 1030 DEG C, final forging temperature is 930 DEG C, obtains forging stock;
(4) hot rolling: forging stock is heated to 1030 DEG C, hot rolling becomes bar, and air cooling is to room temperature;
(5) cold drawn: by cold drawn for bar one-tenth wire rod, processing obtains barred body 1.
In described step (5), time cold drawn, adopt 1070 DEG C to anneal and eliminate work hardening.
The surface electrical of described barred body 1 is coated with PdFe alloy modification coating, the preparation method of described PdFe alloy modification coating is: by filtered cathode vacuum arc technique, high-purity Pd and high-purity Fe is deposited one deck Pd and Fe thin film successively at stainless steel surfaces, film thickness is respectively: Fe film 5.5 μm, Pd film 2.5 μm, and the Pd film formed and Fe film are reacted by abundant counterdiffusion and form PdFe alloy modification coating.
The preparation method of described PdFe alloy modification coating is specially: adopt filtered cathode vacuum arc technique, cathode arc target selects high purity iron and High Purity Palladium to make target, when barred body 1 surface temperature reaches 115 DEG C, carry out filtered cathode vacuum arc, setting Ar gas shielded air pressure 0.55Pa, workpiece back bias voltage 108V, arc current 88A, the sedimentation rate of control Fe film is the sedimentation rate of 0.95 μm/min, Pd film is 0.35 μm/min; The plated film time is respectively: Fe film 14min, Pd film 5min; Then carry out diffusion in vacuum heat treatment, treatment process is heating under vacuum 850 DEG C insulation 23min.
Embodiment 5
The difference of the present embodiment and above-described embodiment 1 is: the diameter of described barred body 1 is 0.5cm, and the length of described barred body 1 is 50cm; The aperture in described knotting hole 2 is 0.8mm.
Described barred body 1 is obtained by medical stainless steel material, described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.2%, Si:1%, Mn:12%, Al:0.5%, Cr:18%, Ni:5%, N:1%, Mo:3.5%, Cu:1.5%, Ti:0.5%, Zr:0.05%, Re:0.05%, P≤0.01%, S≤0.01%, and surplus is Fe.
The preparation method of described barred body 1 comprises the steps:
(1) melting: nitrogen protection, according to proportioning refine at 1450 DEG C of above-mentioned chemical composition, nitrogen pressure remains on 0.4MPa, and pouring temperature 1420 DEG C, obtains vacuum ingot, then blanketing with inert gas electroslag remelting, obtains the ESR ingot that surface quality is more smooth;
(2) Homogenization Treatments: by ESR ingot Homogenization Treatments 7h at 1040 DEG C;
(3) forge: forging initial temperature 1040 DEG C, final forging temperature is 940 DEG C, obtains forging stock;
(4) hot rolling: forging stock is heated to 1040 DEG C, hot rolling becomes bar, and air cooling is to room temperature;
(5) cold drawn: by cold drawn for bar one-tenth wire rod, processing obtains barred body 1.
In described step (5), time cold drawn, adopt 1080 DEG C to anneal and eliminate work hardening.
The surface electrical of described barred body 1 is coated with PdFe alloy modification coating, the preparation method of described PdFe alloy modification coating is: by filtered cathode vacuum arc technique, high-purity Pd and high-purity Fe is deposited one deck Pd and Fe thin film successively at stainless steel surfaces, film thickness is respectively: Fe film 6 μm, Pd film 3 μm, and the Pd film formed and Fe film are reacted by abundant counterdiffusion and form PdFe alloy modification coating.
The preparation method of described PdFe alloy modification coating is specially: adopt filtered cathode vacuum arc technique, cathode arc target selects high purity iron and High Purity Palladium to make target, when barred body 1 surface temperature reaches 120 DEG C, carry out filtered cathode vacuum arc, setting Ar gas shielded air pressure 0.6Pa, workpiece back bias voltage 110V, arc current 90A, the sedimentation rate of control Fe film is the sedimentation rate of 1 μm/min, Pd film is 0.4 μm/min; The plated film time is respectively: Fe film 16min, Pd film 6min; Then carry out diffusion in vacuum heat treatment, treatment process is heating under vacuum 900 DEG C insulation 24min.
Above-described embodiment is the present invention's preferably implementation, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (10)
1. for an abdominal cavity accurate operation looping and binding device for scope, it is characterized in that: the knotting hole that described looping and binding device comprises barred body, Gong the silk thread that is opened in barred body front end passes, the take-up pulley for rolling silk thread being arranged at barred body rear end.
2. a kind of abdominal cavity accurate operation looping and binding device for scope according to claim 1, is characterized in that: the front end of described barred body is provided with a spoonful connected in star, and described knotting hole is arranged at the front end of spoonful connected in star; The lateral wall of described barred body offers the trough for accommodating silk thread; The diameter of described barred body is 0.5cm, and the length of described barred body is 40-50cm; The aperture in described knotting hole is 0.4-0.8mm.
3. a kind of abdominal cavity accurate operation looping and binding device for scope according to claim 1, is characterized in that: described take-up pulley is provided with the locking device that can clamp silk thread; Described take-up pulley is provided with can the handle of tightened wire.
4. a kind of abdominal cavity accurate operation looping and binding device for scope according to claim 1, it is characterized in that: described barred body is obtained by medical stainless steel material, described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.1-0.2%, Si:0.6-1%, Mn:6-12%, Al:0.1-0.5%, Cr:14-18%, Ni:1-5%, N:0.5-1%, Mo:2.5-3.5%, Cu:1-1.5%, Ti:0.1-0.5%, Zr:0.01-0.05%, Re:0.01-0.05%, P≤0.01%, S≤0.01%, and surplus is Fe.
5. a kind of abdominal cavity accurate operation looping and binding device for scope according to claim 4, it is characterized in that: described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.12-0.18%, Si:0.7-0.9%, Mn:8-10%, Al:0.2-0.4%, Cr:15-17%, Ni:2-4%, N:0.7-0.9%, Mo:2.8-3.2%, Cu:1.1-1.3%, Ti:0.2-0.4%, Zr:0.02-0.04%, Re:0.02-0.04%, P≤0.008%, S≤0.008%, surplus is Fe.
6. a kind of abdominal cavity accurate operation looping and binding device for scope according to claim 4, it is characterized in that: described medical stainless steel material comprises the chemical element of following percentage by weight: C:0.15%, Si:0.8%, Mn:9%, Al:0.3%, Cr:16%, Ni:3%, N:0.8%, Mo:3%, Cu:1.2%, Ti:0.3%, Zr:0.03%, Re:0.03%, P≤0.005%, S≤0.005%, surplus is Fe.
7. a kind of abdominal cavity accurate operation looping and binding device for scope according to claim 4, is characterized in that:
The preparation method of described barred body comprises the steps:
(1) melting: nitrogen protection, according to proportioning refine at 1400-1450 DEG C of above-mentioned chemical composition, nitrogen pressure remains on 0.3-0.4MPa, pouring temperature 1400-1420 DEG C, obtain vacuum ingot, then blanketing with inert gas electroslag remelting, obtain the ESR ingot that surface quality is more smooth;
(2) Homogenization Treatments: by ESR ingot Homogenization Treatments 5-7h at 1000-1040 DEG C;
(3) forge: forging initial temperature 1000-1040 DEG C, final forging temperature is 900-940 DEG C, obtains forging stock;
(4) hot rolling: forging stock is heated to 1000-1040 DEG C, hot rolling becomes bar, and air cooling is to room temperature;
(5) cold drawn: by cold drawn for bar one-tenth wire rod, processing obtains barred body.
8. a kind of abdominal cavity accurate operation looping and binding device for scope according to claim 7, is characterized in that: in described step (5), time cold drawn, adopts 1050-1080 DEG C to anneal and eliminates work hardening.
9. a kind of abdominal cavity accurate operation looping and binding device for scope according to claim 1, it is characterized in that: the surface electrical of described barred body is coated with PdFe alloy modification coating, the preparation method of described PdFe alloy modification coating is: by filtered cathode vacuum arc technique, high-purity Pd and high-purity Fe is deposited one deck Pd and Fe thin film successively on barred body surface, film thickness is respectively: Fe film 4-6 μm, Pd film 1-3 μm, and the Pd film formed and Fe film are reacted by abundant counterdiffusion and form PdFe alloy modification coating.
10. a kind of abdominal cavity accurate operation looping and binding device for scope according to claim 9, it is characterized in that: the preparation method of described PdFe alloy modification coating is specially: adopt filtered cathode vacuum arc technique, cathode arc target selects high purity iron and High Purity Palladium to make target, when barred body surface temperature reaches 100-120 DEG C, carry out filtered cathode vacuum arc, setting Ar gas shielded air pressure 0.4-0.6Pa, workpiece back bias voltage 100-110V, arc current 80-90A, the sedimentation rate of control Fe film is the sedimentation rate of 0.8-1 μm/min, Pd film is 0.2-0.4 μm/min; The plated film time is respectively: Fe film 8-16min, Pd film 2-6min; Then carry out diffusion in vacuum heat treatment, treatment process is heating under vacuum 700-900 DEG C of insulation 18-24min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107981913A (en) * | 2018-01-19 | 2018-05-04 | 李越华 | A kind of new hepatectomy clamp suction device |
| CN110952038A (en) * | 2019-11-27 | 2020-04-03 | 苏州森锋医疗器械有限公司 | Biodegradable iron alloy, preparation method and device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994008514A1 (en) * | 1992-10-09 | 1994-04-28 | Advanced Surgical, Inc. | Device and method for applying large-diameter ligating loop |
| US5320629A (en) * | 1991-01-07 | 1994-06-14 | Laparomed Corporation | Device and method for applying suture |
| CN1444909A (en) * | 2003-02-05 | 2003-10-01 | 王敏 | Knotter applicable deep part |
| CN1696329A (en) * | 2005-05-18 | 2005-11-16 | 西北有色金属研究院 | Coat for modifying surface of stainless steel in medical use, and coating method |
| CN200984214Y (en) * | 2006-12-16 | 2007-12-05 | 梁华杰 | External lumen knotter under celioscope |
| CN201175356Y (en) * | 2008-04-01 | 2009-01-07 | 宋维花 | Celioscope knotter |
| CN201930016U (en) * | 2010-12-07 | 2011-08-17 | 广州中大福瑞医疗科技有限公司 | Hemorrhoid ligation device with universal emission head |
| CN102245110A (en) * | 2008-10-10 | 2011-11-16 | 导向传输系统股份有限公司 | Tether tensioning devices and related methods |
| US20120323262A1 (en) * | 2011-06-17 | 2012-12-20 | Estech, Inc. (Endoscopic Technologies, Inc.) | Left atrial appendage treatment systems and methods |
| CN102888566A (en) * | 2012-11-06 | 2013-01-23 | 重庆材料研究院 | Medical high-nitrogen nickel-free austenitic stainless steel material and production method thereof |
-
2014
- 2014-12-31 CN CN201410843635.8A patent/CN104490442B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5320629A (en) * | 1991-01-07 | 1994-06-14 | Laparomed Corporation | Device and method for applying suture |
| US5320629B1 (en) * | 1991-01-07 | 2000-05-02 | Advanced Surgical Inc | Device and method for applying suture |
| WO1994008514A1 (en) * | 1992-10-09 | 1994-04-28 | Advanced Surgical, Inc. | Device and method for applying large-diameter ligating loop |
| CN1444909A (en) * | 2003-02-05 | 2003-10-01 | 王敏 | Knotter applicable deep part |
| CN1696329A (en) * | 2005-05-18 | 2005-11-16 | 西北有色金属研究院 | Coat for modifying surface of stainless steel in medical use, and coating method |
| CN200984214Y (en) * | 2006-12-16 | 2007-12-05 | 梁华杰 | External lumen knotter under celioscope |
| CN201175356Y (en) * | 2008-04-01 | 2009-01-07 | 宋维花 | Celioscope knotter |
| CN102245110A (en) * | 2008-10-10 | 2011-11-16 | 导向传输系统股份有限公司 | Tether tensioning devices and related methods |
| CN201930016U (en) * | 2010-12-07 | 2011-08-17 | 广州中大福瑞医疗科技有限公司 | Hemorrhoid ligation device with universal emission head |
| US20120323262A1 (en) * | 2011-06-17 | 2012-12-20 | Estech, Inc. (Endoscopic Technologies, Inc.) | Left atrial appendage treatment systems and methods |
| CN102888566A (en) * | 2012-11-06 | 2013-01-23 | 重庆材料研究院 | Medical high-nitrogen nickel-free austenitic stainless steel material and production method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107981913A (en) * | 2018-01-19 | 2018-05-04 | 李越华 | A kind of new hepatectomy clamp suction device |
| CN110952038A (en) * | 2019-11-27 | 2020-04-03 | 苏州森锋医疗器械有限公司 | Biodegradable iron alloy, preparation method and device |
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|---|---|
| CN104490442B (en) | 2016-08-24 |
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