CN103505251B - Replaceable micro-surgical instrument - Google Patents
Replaceable micro-surgical instrument Download PDFInfo
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- CN103505251B CN103505251B CN201210199033.4A CN201210199033A CN103505251B CN 103505251 B CN103505251 B CN 103505251B CN 201210199033 A CN201210199033 A CN 201210199033A CN 103505251 B CN103505251 B CN 103505251B
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- shaped bullet
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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
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
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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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/026—Ceramic or ceramic-like structures, e.g. glasses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/082—Inorganic materials
- A61L31/088—Other specific inorganic materials not covered by A61L31/084 or A61L31/086
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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
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00464—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable for use with different instruments
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2901—Details of shaft
- A61B2017/2902—Details of shaft characterized by features of the actuating rod
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2931—Details of heads or jaws with releasable head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
- A61B2017/2939—Details of linkages or pivot points
- A61B2017/294—Connection of actuating rod to jaw, e.g. releasable
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Inorganic Chemistry (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Epidemiology (AREA)
- Vascular Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Ophthalmology & Optometry (AREA)
- Ceramic Engineering (AREA)
- Surgical Instruments (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention has about the replaceable micro-surgical instrument of one, is to be provided with withdrawal mechanism and hollow conduit in handle.Hollow conduit one end is provided with sleeve, is slidably equipped with U-shaped bullet part in sleeve.U-shaped bullet part has elastic bending part and two relative adjutages, two adjutages are resisted against the inwall of sleeve respectively with its outer rim, and can utilize the traction of withdrawal mechanism and optionally take in sleeve clamping each other or optionally stretch out sleeve outer and open each other.Especially, the corresponding group in front end of each adjutage is provided with a replaceable Miniature surgical element, in order to operation consent or apparatus sharp keen not time, the visual demand of doctor replaces the metal glass surgical elements of front end, and do not need whole apparatus to change, to reduce apparatus cost, improve apparatus turnover rate, dimension establishes quality of medical care.
Description
Technical field
The invention relates to a kind of replaceable micro-surgical instrument, espespecially a kind of operating theater instruments being applicable to its Miniature surgical element replaceable.
Background technology
In therapeutic treatment operation now, use the treatment occasion of micro-surgical instrument quite a lot of, as breast, abdominal operation etc., such as, when removal of lesions, the folder that miniature clamp device can be utilized to carry out lesion tissue is cut.Because existing miniature instrument is " single apparatus, special purpose ", miniature instrument coefficient of losses is high, but cause because apparatus price is high that to eliminate the rate of changing low, may cause cannot excising smoothly when removal of lesions, causing pullling of local organization, make postoperative healing more not easily, also or focus is cancerous tissue time, tissue is pullled in process and may be caused cancerous cell spreading in normal structure, cause cancer to spread, the chance of operating rear wound infection inflammation even occurs because cutter or fixture are unclean.
In addition; current its material of operating theater instruments mostly on the market is and uses marquensite rustless steel (martensiticstainlesssteel); this material belongs to crystalline texture; because its elastic limit is less than 0.5%; if therefore in using the central shaft of upper force to depart from normal vector; often have fracture situation; and make operation inconvenience; owing to often need carry out in the mode such as clamping, torsion at Minimally Invasive Surgery; can depart from and cause broken apparatus due to the centrage of its force most probably, cause the failure of operation to cure the desease even dispute.
Therefore, it is lower and be easy to press from both sides the micro-surgical instrument cut that this area needs a kind of unit price badly, its have not easy fracture, anticorrosive, abrasion performance, toughness are good, the outstanding character of high rigidity, to be conducive to the carrying out of breast, abdominal operation treatment.
Summary of the invention
The present invention is a kind of replaceable micro-surgical instrument, comprising: a handle, a withdrawal mechanism and a hollow conduit.Hollow conduit one end is provided with a sleeve, and be slidably equipped with a U-shaped bullet part in sleeve, the hollow conduit other end is then fixedly arranged on handle, in addition, be equipped with a drawing line in hollow conduit inside, drawing line one end is connected to withdrawal mechanism, and the other end is then connected on U-shaped bullet part.U-shaped bullet part includes an elastic bending part, and have two relative adjutages by elastic bending part is extended, the outer rim of two adjutages is resisted against the inwall of sleeve respectively, and it is outer and open each other or optionally take in clamping each other in sleeve optionally to stretch out sleeve, wherein, the corresponding group in the front end of each adjutage is provided with a replaceable Miniature surgical element.
Wherein, mutually can combine by dovetail tenon structure between above-mentioned Miniature surgical element with the adjutage of corresponding U-shaped bullet part, or utilize the mode of a latch to engage, or other equivalent structure being beneficial to manual teardown assembling all can.Thus, through Miniature surgical element apparatus front end being carried out gripping or excision, be designed to replaceable structure, in order to operation consent, the visual demand of doctor is replaced and is used various different Miniature surgical element as tweezers or resecting tool etc., also or when apparatus is sharp keen not or wearing and tearing time, the replacement of front end Miniature surgical element can be carried out, and do not need whole apparatus to change, to reduce apparatus cost, improve apparatus turnover rate, dimension establishes quality of medical care.
Above-mentioned Miniature surgical element can be a metal glass surgical elements, as a metal glass tweezer head or a metal glass cutting edge, its metal glass composition formula can be zirconium-based metallic glass as follows if [formula 1], zirconium copper base metal glass are if [formula 2] or titanium-based metal glass are as [formula 3]:
[formula 1]
(Zr
aCu
bNi
cAl
d)
100-xSi
x，
Wherein, 45=< a=< 75,25=< b=< 35,5=< c=< 15,5=< d=< 15,0.1=< x=< 10;
[formula 2]
(Zr
eCu
fAg
gAl
h)
100-ySi
y，
Wherein, 35=< e=< 55,35=< f=< 55,5=< g=< 15,5=< h=< 15,0.1=< y=< 10;
[formula 3]
Ti
aCu
bPd
cZr
dSi
e，
Wherein, 40=< a=< 75,30=< b=< 40,10=< c=< 20,5=< d=< 15,0.05=< e=< 2.
Above-mentioned Miniature surgical element can also for being coated with the surgical elements of a metallic glass alloys plated film, as a tweezer head or a cutting edge, wherein, the composition formula of metallic glass alloys plated film can be zirconium-based metallic glassy alloy plated film as follows if [formula 1], zirconium copper base metal glassy alloy plated film are if [formula 2] or titanium-based metal glassy alloy plated film are as [formula 3]:
[formula 1]
(Zr
aCu
bNi
cAl
d)
100-xSi
x，
Wherein, 45=< a=< 75,25=< b=< 35,5=< c=< 15,5=< d=< 15,0.1=< x=< 10;
[formula 2]
(Zr
eCu
fAg
gAl
h)
100-ySi
y，
Wherein, 35=< e=< 55,35=< f=< 55,5=< g=< 15,5=< h=< 15,0.1=< y=< 10;
[formula 3]
Ti
aCu
bPd
cZr
dSi
e，
Wherein, 40=< a=< 75,30=< b=< 40,10=< c=< 20,5=< d=< 15,0.05=< e=< 2.
Metal glass (MetallicGlass) refers to that the arrangement mode of metal Atom lacks the rule of long-range order (1ong-rangeorder), and be only arrange with shortrange order (short-rangeorder) or unordered mode, this kind of atomic arrangement has obvious difference with the metal with long-range order, and there is extraordinary engineering property because of metal glass, as Heat stability is good, high-tensile, elastomeric property, quite high impact flexibility, so be applicable to for manufacturing medical apparatus and instruments, therefore the present invention metal glass is applied to making or plating in apparatus gripping or excision part, the surgical elements using metal glass to make or the plating surgical elements of metal glass plated film, its surface roughness can reduce, frictional force time capable of reducing using, and the sharpness of cutting appliance when being applied to cutting appliance, can be improved, make tangent plane smooth, be conducive to the postsurgical recovery of micro-neural engaging operation, or complete resection focus, avoid causing pullling of local organization, reduce and produce postoperation recovery not easily, the chance of operating rear wound infection inflammation is even there is because cutter or fixture are unclean.
Above-mentioned withdrawal mechanism can include a pressing piece and a flexible member, can affect drawing line when pressing pressing piece, makes U-shaped bullet part take in sleeve; When decontroling pressing piece, flexible member provides a restoring force to reply to make pressing piece, and affects drawing line, and U-shaped bullet part is stretched out outside sleeve.
Above-mentioned hollow conduit can be a cylindrical tube or a pliability hollow conduit, and guide wire can be a metal rod or a pliability cable, to coordinate different kenel operation demand, and replaces the apparatus be suitable for.
Mutually can combine by dovetail tenon structure between above-mentioned U-shaped bullet part and drawing line, or utilize a latch to engage, or other equivalent structure being beneficial to manual teardown assembling all can.Thus, be designed to replaceable structure through by U-shaped bullet part part, doctor when the elastic bending part elastic fatigue of U-shaped bullet part or when must use other different U-shaped bullet part instead, can carry out U-shaped bullet part and replace, and do not need whole apparatus to change, to reduce apparatus cost.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the present invention first preferred embodiment.
Fig. 2 is the perspective view of the present invention first preferred embodiment.
Fig. 3 is the axonometric chart of the U-shaped elastic component of the present invention first preferred embodiment and tweezer head.
Fig. 4 is the schematic diagram of the present invention first preferred embodiment start.
Fig. 5 is the axonometric chart of the U-shaped bullet part of the present invention second preferred embodiment and cutting edge.
Fig. 6 is the axonometric chart of the present invention the 3rd preferred embodiment.
Main element symbol description
1 handle 11 withdrawal mechanism
110 pivot 111 pressing pieces
112 rotation disc 113 flexible members
114 protuberance 115 protruding parts
2 hollow conduit 21 sleeves
22 drawing line 221 first ends
222 second end 223 cross bars
3U type bullet part 30 dovetail tenon structure
31 elastic bending part 32 adjutages
4 Miniature surgical element 40 dovetail tenon structures
41 metal glass tweezer head 42 metal glass cutting edges
5 latch 6 hollow conduits
62 drawing lines
Detailed description of the invention
Refer to Fig. 1 and Fig. 2, the perspective view that the axonometric chart that Fig. 1 is the present invention first preferred embodiment, Fig. 2 are the present embodiment.The replaceable micro-surgical instrument of first embodiment of the invention comprises: handle 1, withdrawal mechanism 11 and a hollow conduit 2.Hollow conduit 2 one end is provided with a sleeve 21, a U-shaped bullet part 3 is slidably equipped with in sleeve 21, hollow conduit 2 other end is then fixedly arranged on handle 1, as shown in Figure 2, a drawing line 22 is equipped with in hollow conduit 2 inside, drawing line 22 one end is connected to withdrawal mechanism 11, and the other end is then connected on U-shaped bullet part 3.
Fig. 2 shows, and withdrawal mechanism 11 is mounted on handle 1, and the withdrawal mechanism 11 of the present embodiment includes pressing piece 111 and a flexible member 113, and flexible member 113 is arranged between pressing piece 111 and handle 1, to provide pressing piece 111 1 restoring force.Pressing piece 111 to be hubbed on handle 1 with a pivot 110 and to be connected with drawing line 22 through a rotation disc 112, pressing piece 111 has two protuberances 114, and rotation disc 112 has a protruding part 115 and is sticked between two protuberances 114 of pressing piece 111, make pressing piece 111 that rotation disc 112 can be driven to rotate according to its axle center; After flexible member 113 provides pressing piece 111 restoring force, pressing piece 111 utilizes this restoring force to order about rotation disc 112 and returns back to initial position.
As shown in Figure 2, drawing line 22 has first end 221 and one second end 222, first end 221 is connected with U-shaped bullet part 3, second 222, end is connected to the non-axle center place of the rotation disc 112 of withdrawal mechanism 11, in the present embodiment, drawing line 22 is a metal rod, and it utilizes two parallel cross bars 223 to be connected to the non-axle center place of rotation disc 112.
Then refer to Fig. 3, Fig. 3 is the axonometric chart of the U-shaped elastic component of the present embodiment and tweezer head.U-shaped bullet part 3 includes an elastic bending part 31, and it utilizes dovetail tenon structure 30 mutually to combine with the first end 221 of drawing line 22, is preferably close-fitting combination.Thus, through U-shaped bullet part 3 elastic bending part 31 to be engaged part with drawing line 22, be designed to replaceable structure, when can facilitate apparatus elastic fatigue after using for a long time, when maybe must use other U-shaped bullet part instead, the replacement of U-shaped bullet part 3 can be carried out, and do not need whole apparatus to change, to reduce the cost purchasing apparatus cost.
In addition, U-shaped bullet part 3 is extended two relative adjutages 32, and wherein, the corresponding group in front end of each adjutage 32 is provided with a replaceable Miniature surgical element.In the present embodiment, Miniature surgical element 4 is two metal glass tweezer heads 41, itself and the compound mode of adjutage 32 can be and mutually to combine with dovetail tenon structure or to utilize a latch to engage, and are mutually combine with dovetail tenon structure 40 in the present embodiment, are preferably close-fitting combination.Thus, through U-shaped bullet part 3 forward metal glass tweezer head 41 to be engaged part with adjutage 32, be designed to replaceable structure, can facilitate for a long time use after apparatus sharp keen not or wearing and tearing time, the replacement of forward metal glass tweezer head 41 can be carried out, and do not need whole apparatus to change, to reduce the cost purchasing apparatus cost, improve apparatus turnover rate, dimension establishes quality of medical care.
Above-mentioned metal glass tweezer head 41, can also in having layer of metal glassy alloy plated film with plating on tweezer head except can be the tweezer head made with metal glass material.The metal glass material of the present embodiment or the composition formula of metallic glass alloys plated film can be zirconium-based metallic glass as follows if [formula 1], zirconium copper base metal glass are if [formula 2] or titanium-based metal glass are as [formula 3]:
[formula 1]
(Zr
aCu
bNi
cAl
d)
100-xSi
x，
Wherein, 45=< a=< 75,25=< b=< 35,5=< c=< 15,5=< d=< 15,0.1=< x=< 10;
[formula 2]
(Zr
eCu
fAg
gAl
h)
100-ySi
y，
Wherein, 35=< e=< 55,35=< f=< 55,5=< g=< 15,5=< h=< 15,0.1=< y=< 10;
[formula 3]
Ti
aCu
bPd
cZr
dSi
e，
Wherein, 40=< a=< 75,30=< b=< 40,10=< c=< 20,5=< d=< 15,0.05=< e=< 2.
Because metal glass has extraordinary engineering property, as Heat stability is good, high-tensile, elastomeric property, quite high impact flexibility, so be applicable to for manufacturing medical apparatus and instruments, therefore the present invention metal glass is applied to making or plating in tweezer head part, the Miniature surgical element using metal glass to make or the plating Miniature surgical element of metal glass plated film, its surface roughness can reduce, frictional force time capable of reducing using.
Come, refer to Fig. 4 and consult Fig. 2 in the lump, Fig. 4 is the schematic diagram of the present embodiment start again.The aforementioned U-shaped bullet part 3 be connected with drawing line 22, the outer rim of its two adjutage 32 is resisted against the inwall of sleeve 21 respectively, and optionally stretch out sleeve 21 outer and open each other or optionally to take in sleeve 21 clamping each other its.Namely as shown in Figure 2, when after user pressing pressing piece 111, pressing piece 111 does and rotates and drive protuberance 114 centered by its pivot 110, again by the protruding part 115 of protuberance 114 driven rotary dish 112, rotation disc 112 is done with axle center rotate clockwise, the drawing line 22 be connected with rotation disc 112 is stretched backward, now as shown in Figure 4, when drawing line 22 backward stretching the U-shaped bullet part 3 engaged with drawing line 22 can be pulled rearward to move, namely enter in the sleeve 21 of hollow conduit 2, now, sleeve 21 inwall can make the elasticity bending segment 31 of U-shaped bullet part 3 to intermediate condensate, make two metal glass tweezer heads 41 of front end adjacent to each other, to reach the function of gripping.
After user decontrols the pressing piece 111 shown in Fig. 2, utilize the elasticity of flexible member 113, pressing piece 111 is made to return to initial position, the protruding part 115 of protuberance 114 driven rotary dishes 112 of pressing piece 111 does inverse clock motion simultaneously, and the drawing line 22 promoting to be connected with rotation disc 112 moves forward, now as shown in Figure 4, initial position is back to outside the sleeve 21 that U-shaped bullet part 3 also can be pushed forward out hollow conduit 2, elastic bending part 31 provides a restoring force simultaneously, and two adjutages 32 are opened each other.
Miniature surgical element 4, except can be the tweezer head of metal glass tweezer head 41 or metal-coated glassy alloy plated film, also can be the cutting edge of metal glass cutting edge 42 or metal-coated glassy alloy plated film.Refer to Fig. 5, Fig. 5 is the axonometric chart of the U-shaped bullet part of the present invention second preferred embodiment and cutting edge, be with the first embodiment difference, the Miniature surgical element 4 combined with adjutage 32 front end of U-shaped bullet part 3 is replaced by metal glass cutting edge 42, itself and the compound mode of adjutage 32 can be and mutually to combine with dovetail tenon structure or to utilize at least one latch to engage, be mutually combine with dovetail 40 structure in the present embodiment, be preferably close-fitting combination.So, when folder will be used to cut function, only the Miniature surgical element 4 of front end need be replaced to required Miniature surgical element, to reduce the cost purchasing apparatus cost.
Similarly, metal glass cutting edge 42, can also in having layer of metal glassy alloy plated film with plating on cutting edge except can be the cutting edge made with metal glass material.The metal glass material of the present embodiment or the composition formula of metallic glass alloys plated film can be zirconium-based metallic glass as follows if [formula 1], zirconium copper base metal glass are if [formula 2] or titanium-based metal glass are as [formula 3]:
[formula 1]
(Zr
aCu
bNi
cAl
d)
100-xSi
x，
Wherein, 45=< a=< 75,25=< b=< 35,5=< c=< 15,5=< d=< 15,0.1=< x=< 10;
[formula 2]
(Zr
eCu
fAg
gAl
h)
100-ySi
y，
Wherein, 35=< e=< 55,35=< f=< 55,5=< g=< 15,5=< h=< 15,0.1=< y=< 10;
[formula 3]
Ti
aCu
bPd
cZr
dSi
e，
Wherein, 40=< a=< 75,30=< b=< 40,10=< c=< 20,5=< d=< 15,0.05=< e=< 2.
Because metal glass has extraordinary engineering property, as Heat stability is good, high-tensile, elastomeric property, quite high impact flexibility, so be applicable to for manufacturing medical apparatus and instruments, therefore the present invention metal glass is applied to making or plating in cutting edge part, the Miniature surgical element using metal glass to make or the plating Miniature surgical element of metal glass plated film, its surface roughness can reduce, frictional force time capable of reducing using, and the sharpness of cutting edge when being applied to cutting edge, can be improved, make tangent plane smooth, be conducive to the postsurgical recovery of micro-neural engaging operation, or complete resection focus, avoid causing pullling of local organization, reduce and produce postoperation recovery not easily, the chance of operating rear wound infection inflammation is even there is because cutter or fixture are unclean.
In addition, the elastic bending part 31 of the U-shaped bullet part 3 of the present embodiment, it utilizes a latch 5 mutually to combine with the first end 221 of drawing line 22, thus, through U-shaped bullet part 3 elastic bending part 31 to be engaged part with drawing line 22, replaceable structure is designed to, can facilitate when using rear apparatus elastic fatigue for a long time or when must use other different U-shaped bullet part instead, the replacement of U-shaped bullet part 3 can be carried out, and do not need whole apparatus to change, to reduce the cost purchasing apparatus cost.
Then refer to Fig. 6, Fig. 6 is the axonometric chart of the present invention the 3rd preferred embodiment.The present embodiment and the first embodiment difference are that hollow conduit 6 is a pliability hollow conduit, and drawing line 62 is a pliability cable, to coordinate different kenel operation demand, and replace the apparatus be suitable for.
Above-described embodiment is only citing for convenience of description, and the interest field that the present invention advocates from should being as the criterion with described in claim, but not is only limitted to above-described embodiment.
Claims (14)
1. a replaceable micro-surgical instrument, comprising:
One handle;
One withdrawal mechanism, is mounted on this handle; And
One hollow conduit, one end is provided with a sleeve, is slidably equipped with a U-shaped bullet part in this sleeve, this hollow conduit other end is fixedly arranged on this handle, this hollow conduit inside is equipped with a drawing line, and this drawing line one end is connected to this withdrawal mechanism, and the other end is connected on this U-shaped bullet part;
It is characterized in that:
This U-shaped bullet part, include an elastic bending part, and have two relative adjutages by this elastic bending part is extended, the outer rim of this two adjutage is resisted against the inwall of this sleeve respectively, wherein, the corresponding group in front end of each adjutage is provided with a replaceable Miniature surgical element, this Miniature surgical element is metal glass or the surgical elements being coated with metallic glass alloys plated film, and the composition formula of this metal glass or the surgical elements that is coated with metallic glass alloys plated film is selected from the zirconium-based metallic glass by [formula 1], the group that the zirconium copper base metal glass of [formula 2] and the titanium-based metal glass of [formula 3] form:
[formula 1]
(Zr
aCu
bNi
cAl
d)
100-xSi
x，
Wherein, 45=<a=<75,25=<b=<35,5=<c=<15,5=<d=<15,0.1=<x=<10;
[formula 2]
(Zr
eCu
fAg
gAl
h)
100-ySi
y，
Wherein, 35=<e=<55,35=<f=<55,5=<g=<15,5=<h=<15,0.1=<y=<10;
[formula 3]
Ti
aCu
bPd
cZr
dSi
e，
Wherein, 40=<a=<75,30=<b=<40,10=<c=<20,5=<d=<15,0.05=<e=<2.
2. replaceable micro-surgical instrument as claimed in claim 1, is characterized in that, is mutually combine with dovetail tenon structure between this Miniature surgical element with this adjutage of this corresponding U-shaped bullet part.
3. replaceable micro-surgical instrument as claimed in claim 1, is characterized in that, is engage with a latch between this Miniature surgical element with this adjutage of this corresponding U-shaped bullet part.
4. replaceable micro-surgical instrument as claimed in claim 1, is characterized in that, this metal glass surgical elements refers to a metal glass tweezer head.
5. replaceable micro-surgical instrument as claimed in claim 1, is characterized in that, this metal glass surgical elements refers to a metal glass cutting edge.
6. replaceable micro-surgical instrument as claimed in claim 1, is characterized in that, this metal glass surgical elements refers to the tweezer head being coated with a metallic glass alloys plated film.
7. replaceable micro-surgical instrument as claimed in claim 1, is characterized in that, this metal glass surgical elements refers to the cutting edge being coated with a metallic glass alloys plated film.
8. replaceable micro-surgical instrument as claimed in claim 1, is characterized in that, this withdrawal mechanism includes a pressing piece and a flexible member, can affect this drawing line, making this U-shaped bullet part take in this sleeve when pressing this pressing piece; When decontroling this pressing piece, this flexible member provides a restoring force to reply to make this pressing piece, and affects this drawing line, and this U-shaped bullet part is stretched out outside this sleeve.
9. replaceable micro-surgical instrument as claimed in claim 1, is characterized in that, this hollow conduit is a cylindrical tube.
10. replaceable micro-surgical instrument as claimed in claim 9, is characterized in that, this drawing line is a metal rod.
11. replaceable micro-surgical instruments as claimed in claim 1, is characterized in that, this hollow conduit is a pliability hollow conduit.
12. replaceable micro-surgical instruments as claimed in claim 11, is characterized in that, this drawing line is a pliability cable.
13. replaceable micro-surgical instruments as claimed in claim 1, is characterized in that, are mutually combine with dovetail tenon structure between this U-shaped bullet part and this drawing line.
14. replaceable micro-surgical instruments as claimed in claim 1, is characterized in that, are engage with a latch between this U-shaped bullet part with this drawing line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210199033.4A CN103505251B (en) | 2012-06-15 | 2012-06-15 | Replaceable micro-surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210199033.4A CN103505251B (en) | 2012-06-15 | 2012-06-15 | Replaceable micro-surgical instrument |
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| CN103505251A CN103505251A (en) | 2014-01-15 |
| CN103505251B true CN103505251B (en) | 2016-03-02 |
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| CN106456270B (en) * | 2014-04-09 | 2020-04-07 | 捷锐士阿希迈公司(以奥林巴斯美国外科技术名义) | Medical device |
| CN112192537B (en) * | 2020-10-09 | 2022-03-08 | 王复超 | Novel medical instrument special fixture |
| CN114129208A (en) * | 2021-12-07 | 2022-03-04 | 西安赛德欧医疗研究院有限公司 | Magnetic tissue traction device and medical equipment suitable for endoscopic surgery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309896A (en) * | 1991-05-29 | 1994-05-10 | Origin Medsystems, Inc. | Retraction methods using endoscopic inflatable retraction devices |
| TW233256B (en) * | 1992-06-30 | 1994-11-01 | American Cyanamid Co | |
| CN101768718A (en) * | 2008-12-30 | 2010-07-07 | 财团法人金属工业研究发展中心 | Target with metal glass coating and composite material prepared from target |
| TWM418659U (en) * | 2011-07-22 | 2011-12-21 | Show Chwan Health Care System | Tissue distractor |
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2012
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309896A (en) * | 1991-05-29 | 1994-05-10 | Origin Medsystems, Inc. | Retraction methods using endoscopic inflatable retraction devices |
| TW233256B (en) * | 1992-06-30 | 1994-11-01 | American Cyanamid Co | |
| CN101768718A (en) * | 2008-12-30 | 2010-07-07 | 财团法人金属工业研究发展中心 | Target with metal glass coating and composite material prepared from target |
| TWM418659U (en) * | 2011-07-22 | 2011-12-21 | Show Chwan Health Care System | Tissue distractor |
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| CN103505251A (en) | 2014-01-15 |
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