CN103519865A - Automatic ligature forceps for ligature clamp - Google Patents
Automatic ligature forceps for ligature clamp Download PDFInfo
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- CN103519865A CN103519865A CN201310522923.9A CN201310522923A CN103519865A CN 103519865 A CN103519865 A CN 103519865A CN 201310522923 A CN201310522923 A CN 201310522923A CN 103519865 A CN103519865 A CN 103519865A
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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
- A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
- A61B17/1285—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for 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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
- A61B17/1222—Packages or dispensers therefor
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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
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00115—Electrical control of surgical instruments with audible or visual output
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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
- A61B17/2909—Handles
- A61B2017/2925—Pistol grips
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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
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Abstract
Automatic ligature forceps for a ligature clamp comprise a fixed handle, a movable handle, an operating sleeve and a driving sheet, wherein a ligature forceps bin capable of accommodating the ligature forceps is arranged in the operating sleeve; the driving sheet can move relative to the ligature forceps and is fixedly connected with an operating rod; the operating rod is operated to move in the front-back direction by elastic operation of the movable handle; two semi-cylindrical supporting sheets of which the shapes are the same completely are also arranged in the operating sleeve; the ligature forceps bin and the driving sheet are clamped and positioned in the operating sleeve by the supporting sheets; and the operating sleeve is fixedly connected with the supporting sheets integrally. The automatic ligature forceps are simple in structure and high in work reliability, parts are few, force and pushing schedules are easy to control, and the difficulty on surgical operation is reduced.
Description
Technical field
The present invention relates to the medical apparatus and instruments that a kind of surgical operation is used, in especially a kind of surgical procedures for the ligature forceps of auto-closing ligation clip.Coincideing and ligation of described ligation clip is clinical while can be used for the operation of inside and outside section blood vessel and tissue, in actual applications, described ligation clip is also called as vascular clamp, ligation button, operation locker, tissue holder etc. conventionally.
Background technology
In surgical procedures, be fully to expose surgical field of view, need to carry out ligation to the fracture blood vessel in otch, hemorrhage to stop.Hemostatic technique has become one of core of basic operative techniques technology, and the surgical procedures at any position of human body almost relates to hemorrhage and hemostasis bar none.Be generally with stitching thread, to carry out ligation again after clamping fracture blood vessel with mosquito forceps, this method operation is cumbersome, has reduced operation efficiency; Another kind method is to carry out blocking blood flow by ligation clip, the aneurysm clamp for example using in aneurysm surgery, the gall duct clamp in biliary surgery etc.Its material mostly is silver or alloy, is secondly medical plastic.
In clinical laparoscopic surgery, often adopt the ligation clip of Hem-o-lok ligation clip and so on to process medium and small blood vessel at present.Ligation clip of the prior art is often very tiny, can only operate by the instrument of ligature forceps and so on.
For the ligature forceps of ligation clip, have at present the ligature forceps of single operation, also have can multi-pass operation automatic ligature forceps.
For example, disclose a kind of ligature forceps of common Medical clamp pattern of typical single operation in US 5100416A, it has two hinged jig arm, and jig arm far-end has the structure can be used for the clamping of Hem-o-lok ligation clip buckle.During operation, surgical staff passes the ring portion in jig arm by thumb and forefinger, the closed jig arm of exerting oneself, thus ligation clip is closed on blood vessel.This Clip Applier is simple in structure, but operation by human hand amplitude is large, and two fingers are through the very bad disengaging of the ring portion in jig arm, and operation is inconvenient.The ligature forceps of this single operation can only be taken a ligation clip at every turn, then stretches in patient abdominal cavity and is fastened on the blood vessel that needs hemostasis, finally discharges ligature forceps, and ligation clip is retained in patient body.Afterwards, ligature forceps need to take out from patient abdominal cavity, then takes a new ligation clip, repeats action above.As can be seen here, the ligature forceps of this single operation in use needs repeatedly to stretch in patient body and takes out, and all wants irrigation and disinfection at every turn, needs very high skill, and the operating time is also long.
In addition, a kind of automatic ligature forceps that can multi-pass operation is disclosed in US 8409223A, this automatic ligature forceps can operate and in sleeve pipe, deposit in advance a plurality of ligation clips at it, during use, operator can pull flexible handle as gripping pistol, successively ligation clip is released to operation sleeve pipe one by one, and make ligation clip closed by dependency structure, blood vessel is clamped.But this ligature forceps structure is complicated especially, and constitutional detail is numerous with high costs, poor reliability, and bad grasp dynamics and propelling progress during due to operation, need extraordinary operation skill, very high to operation operator's requirement.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of automatic ligature forceps for ligation clip, to reduce or to avoid problem noted earlier.
Specifically, the invention provides a kind of automatic ligature forceps for ligation clip, it is simple in structure, and part is few, and functional reliability is high, is easy to grasp dynamics and propelling progress, has reduced the difficulty of operation technique.
For solving the problems of the technologies described above, the present invention proposes a kind of automatic ligature forceps for ligation clip, described automatic ligature forceps comprises:
A fixed handle;
A flexible handle hinged with described fixed handle;
The operation sleeve pipe that can rotate around its axis by stirring head operation, can connect a plurality of ligation clips are set in described operation sleeve pipe, described a plurality of ligation clips can be successively operation by described flexible handle push out one by one described operation sleeve pipe;
A pair ofly be arranged on described operation sleeve pipe away from the clamping head of one end of described fixed handle, described clamping head can be by described closed clamping of ligation clip that pushes out described operation sleeve pipe;
In described operation sleeve pipe, be provided with the ligation squeeze that can hold described ligation clip, described ligation squeeze is bent into the strip structure that cross section is spill after by metal sheet integrated punching, along the length direction of described ligation squeeze, is formed with a plurality of to the inner outstanding agnail of described ligation squeeze in its bottom punching press;
In described operation sleeve pipe, be also provided with one can relatively described ligation squeeze campaign driving chip, described driving chip covers the side that described ligation squeeze is opened wide, and jointly formed a space that holds described ligation clip with described ligation squeeze, described driving chip is formed by metal sheet integrated punching, and described driving chip along its length punching press is formed with a plurality of to the inner outstanding agnail of described ligation squeeze; Described driving chip is fixedly connected with an action bars, and by described flexible handle elastic operation, it moves forward and backward described action bars, and described action bars lies along the inside of described fixed handle from described operation sleeve pipe;
In described operation sleeve pipe, be also provided with two identical half-cylindrical support chips of shape, described support chip is by described ligation squeeze and driving chip clamping position in the middle of described operation sleeve pipe, and described operation sleeve pipe and described support chip are connected to one.
Preferably, described ligation squeeze by a pin with described in stir head be fixedly connected with; On described support chip and described driving chip, there is respectively support chip slotted hole and the driving chip slotted hole that can pass for described pin.
Preferably, described driving chip is fixedly connected with described action bars by an operation lever pin, and two described support chips are around described action bars setting and have can be for the free breach of activity of described operation lever pin.
Preferably, between described driving chip and ligation squeeze, be also provided with a driving chip bar, it is inner that described driving chip bar and described driving chip are together fixed on described action bars by described operation lever pin, and described driving chip bar has a driving chip bar slotted hole corresponding to the position of described driving chip slotted hole.
Preferably, described action bars inside is provided with a pin spring that described operation lever pin is withstood.
Preferably, the end integrated punching of described ligation squeeze is bent to form a closed space, the rotating outside that is buckled in described closed space of described clamping head, and the end of described driving chip is limited in moving in described closed space.
Preferably, described a pair of clamping head structure is identical, all there is a closed clubfoot and one and open clubfoot, the closed clubfoot of described a pair of clamping head is positioned at bottom one side of described ligation squeeze, described a pair of clamping head open the relative side in bottom that clubfoot is positioned at described ligation squeeze, on described closed clubfoot, have one and can supply a breach that U-shaped spring leaf blocks, the bottom that described U-shaped spring leaf is flattened on described ligation squeeze is biased into make position by described a pair of clamping head.
Preferably, described in open clubfoot arranged outside have one by described, to open the plectrum that clubfoot draws in to centre, the tail end of described plectrum has a dop in an aperture that can be buckled on described driving chip.
Preferably, described plectrum is integrated the sheet material that punching press forms, its with described in open one end that clubfoot contacts and by a breach, be separated into two and dial feet, each dial the punching press of foot outermost be formed with one with described in open the shifting block of the plane perpendicular to described plectrum of the outer side contacts of clubfoot.
Preferably, described in, stirring head is connected by buckle structure is rotating with described fixed handle.
Preferably, stir the inner outside of head and be equipped with a sleeve pipe spring described in described operation sleeve pipe is positioned at, described sleeve pipe Spring Card is in described inside of stirring head, and described operation sleeve pipe is biased into the side towards described fixed handle.
Preferably, described action bars outside is equipped with an action bars spring, and described action bars Spring Card is inner at described fixed handle, and described action bars is biased into the side towards described fixed handle.
Preferably, described flexible handle has one and makes moved end and a manual operation end, described do between moved end and manual operation end by a hinge and described fixed handle hinged, described flexible handle can operate described action bars as moved end by it, and described action bars is moved forward and backward along its length.
Preferably, first flange of described action bars Spring Card on described action bars and described in stir between head, the described moved end of doing can promote described the first flange, makes elastic force that described action bars overcomes described action bars spring towards the lateral movement away from described fixed handle.
Preferably, described flexible handle is the middle laminated structure of stirring with a groove as moved end; On described action bars, also have second flange, the action bars between described the first flange and the second flange may be stuck in the described middle freely activity of groove of doing moved end.
Preferably, moved end one side of doing of described flexible handle is formed with one perpendicular to the described locking shell fragment of doing moved end, is formed with the arc-shaped limit bar coordinating with described locking shell fragment on described fixed handle medial wall.
Preferably, the end of described locking shell fragment respectively stretches out one and locks head to two medial walls of described fixed handle, on two medial walls of described fixed handle, be respectively formed with the arc-shaped limit bar coordinating with described locking head, on described locking head, be provided with stair-stepping relief fabric.
Preferably, described arc-shaped limit bar has a spacing side and one and returns to side, described spacing side is positioned at the arc inner side of described arc-shaped limit bar and towards described flexible handle, described in return to side and be positioned at the arc outside of described arc-shaped limit bar and deviate from described flexible handle.
Preferably, described in, return to side and there is smooth curved surfaces continuously.
Preferably, described spacing side there is bottom a sawtooth portion, the upper end of described sawtooth portion is connected with a pit part, the upper end of described pit part is connected with a smooth sliding part, the upper end of described smooth sliding part is connected with a lobe, described lobe is to having a non-return portion between the top of described spacing side, and described non-return portion has the described head that locks of compressing to the smooth surface of strain inside the arc of described arc-shaped limit bar.
Above-mentioned automatic ligature forceps provided by the present invention is simple in structure, and parts are few, and functional reliability is high, is easy to grasp dynamics and propelling progress, has reduced the difficulty of operation technique.
Accompanying drawing explanation
The following drawings is only intended to the present invention to schematically illustrate and explain, not delimit the scope of the invention.Wherein,
What Fig. 1 showed is according to the structural representation of the automatic ligature forceps for ligation clip of a specific embodiment of the present invention;
What Fig. 2 showed is the internal structure decomposition diagram of the operation sleeve pipe of automatic ligature forceps shown in Fig. 1;
What Fig. 3 showed is shown in Fig. 2, in decomposition diagram, to clamp the zoomed-in view of first side;
Fig. 4 shows is partly to cut open structural representation according to the fixed handle part of the automatic ligature forceps of a specific embodiment of the present invention;
What Fig. 5 showed is the schematic perspective view of the structure in Fig. 4, has wherein omitted fixed handle;
What Fig. 6 showed is the part-structure schematic diagram according to the fixed handle of a specific embodiment of the present invention and flexible handle;
What Fig. 7 showed is the enlarged diagram at C place, position shown in Fig. 4;
What Fig. 8 a-8d showed is the operating process schematic diagram of flexible handle.
The specific embodiment
For technical characterictic of the present invention, object and effect being had more clearly, understand, now contrast accompanying drawing explanation the specific embodiment of the present invention.Wherein, identical parts adopt identical label.
What Fig. 1 showed is according to the structural representation of the automatic ligature forceps for ligation clip of a specific embodiment of the present invention, and as shown in the figure, this automatic ligature forceps comprises 1, one flexible handle 2 hinged with described fixed handle 1 of a fixed handle.
During operation technique, operator is just as gripping pistol, palm is held fixed handle 1, forefinger or a plurality of finger are walked around the manual operation end 22 of flexible handle 2, then finger is put forth one's strength flexible handle 2 is drawn in to fixed handle 1 direction, thereby the mobile associated components that drives by flexible handle 2 moves, thus can be in laparoscopic procedures closed described ligation clip, blood vessel is clamped not hemorrhage.
The front end of fixed handle 1 has an operation sleeve pipe 3, and operation sleeve pipe 3 can be stirred 20 operation by one and rotate around its axis A.As shown in the figure, operation sleeve pipe 3 can be stirred it and rotates relative to fixed handle 1 by stirring 20.In operation sleeve pipe 3, can connect a plurality of ligation clip (not shown)s are set, these ligation clips can be successively operation by flexible handle 2 push out one by one operation sleeve pipe 3.
The end of operation sleeve pipe 3, namely the one end away from fixed handle 1 is provided with a pair of clamping head B that can be used for closed described ligation clip, and described clamping head B can be by the closed clamping of the ligation clip that pushes out operation sleeve pipe 3.
In operation process, operator can hand-held fixed handle 1 and flexible handle 2, operation sleeve pipe 3 is stretched in patient abdominal cavity, by laparoscopic visualization operative site, then clamping head B is reached to the position that needs closed blood vessel place, by stirring a direction of 20 rotation clamping head B, make the ligation clip clamping in clamping head B aim at blood vessel, operant activity handle 2 drives the structures such as action bars (will the describe in detail) motion in operation sleeve pipe 3 below, thereby make the closed ligation clip of clamping head B, ligation clip is clamped on the blood vessel that needs hemostasis.Last unclamp operation handle 2 naturally opens clamping head B under elastic force effect, until clamping head B departs from after ligation clip, just whole Clip Applier can have been carried out to next step operation from taking-up in patient body.
What Fig. 2 showed is the internal structure decomposition diagram of the operation sleeve pipe 3 of automatic ligature forceps shown in Fig. 1, in figure, for ease of showing, the longer structure of length of operation sleeve pipe 3 inside is positioned over to the position parallel with operating sleeve pipe 3.Structure shown in figure is almost all positioned at the inside of operation sleeve pipe 3, only has part-structure, reaches the outside of operation sleeve pipe 3 such as the end of clamping head B, action bars 4 and support chip 43 etc.
As shown in the figure, in operation sleeve pipe 3, be provided with the ligation squeeze 41 that can hold described ligation clip, ligation squeeze 41 is bent into the strip structure that cross section is spill after by metal sheet integrated punching, along the length direction of ligation squeeze 41, is formed with a plurality of to the inner outstanding agnails 411 of ligation squeeze 41 in its bottom punching press.
In operation sleeve pipe 3, be also provided with a driving chip 42 for ligation squeeze 41 motions relatively, driving chip 42 covers the side that ligation squeeze 41 is opened wide, and has jointly formed a space that holds described ligation clip with ligation squeeze 41.
Driving chip 42 is formed by metal sheet integrated punching, and driving chip 42 along its length punching press is formed with a plurality of to the inner outstanding agnail 421 of ligation squeeze 41; Driving chip 42 is fixedly connected with an action bars 4.Action bars 4 can by flexible handle 2 elastic operation, it moves forward and backward, and action bars 4 lies along the inside (below just to this detailed description) of fixed handle 1 from operation sleeve pipe 3.
In operation sleeve pipe 3, be also provided with two identical half-cylindrical support chips 43 of shape, support chip 43 is middle at operation sleeve pipe 3 by ligation squeeze 41 and driving chip 42 clamping positions, and operation sleeve pipe 3 is connected to one with support chip 43.
From the above description, it is quite simple relative to existing technologies that automatic ligature forceps of the present invention is realized the structure of propelling movement ligation clip automatically, namely in operation sleeve pipe 3, only need a ligation squeeze 41 and a driving chip 42 to form the space that holds ligation clip, by two support chips 43, ligation squeeze 41 and driving chip 42 clamping positions is middle at operation sleeve pipe 3.And, as the ligation squeeze 41 of main thrust member and driving chip 42, be all with forming after an independent direct punching press of sheet metal, not needing extra labyrinth to connect.Support chip 43 also can adopt an injection moulding of plastics to obtain, the filling that support chip 43 half cylindrical structure can keep in shape with operation sleeve pipe 3 on the one hand, avoid ligation squeeze 41 and driving chip 42 to rock in operation sleeve pipe 3, on the other hand, the plane of support chip 43 and ligation squeeze 41 and driving chip 42 laminatings can provide smooth slidingsurface, to guarantee that ligation squeeze 41 support chip 43 relative to driving chip 42 seesaws smooth and easy.
During operation, a plurality of ligation clip series connection are arranged in ligation squeeze 41, one by one.When driving chip 42 is proal, the agnail 421 on driving chip 42 can catch on the ligation clip in ligation squeeze 41 forward and push away, and ligation clip only can slip over the agnail 411 in ligation squeeze 41; When driving chip 42 returns backward, the agnail 421 on driving chip 42 slips over ligation clip surface, still, and because the agnail 411 in ligation squeeze 41 can retreat under the frictional force effect of the agnail 421 of prevention ligation clip on driving chip 42.Therefore, circulation is advanced, returned to each of driving chip 42, and ligation clip will be pushed into forward the interval of an agnail 411, and certainly, under normal circumstances, the interval of agnail 411 equals the interval of agnail 421, and this interval also equals the length of each ligation clip.
Driving chip 42 is fixedly connected with action bars 4 by an operation lever pin 45, two support chips 43 arrange around action bars 4, and have can be for the free movable breach 431 in the end of outstanding operation lever pin 45, after the mutual fastening of two support chips 43, in fact breach 431 has formed a long hole shape, make to operate the slotted hole that lever pin 45 can form by breach 431 along this and move forward and backward, but but can not rotate.That is to say, action bars 4 is relative with driving chip 42 fixing, but action bars 4 can move forward and backward by relative two support chips 43, when support chip 43 along with stir 20 stir and when rotating, support chip 43 also can drive action bars 4 to rotate.In this structure, operation lever pin 45 has the function that connects driving chip 42 and action bars 4, also has the function that restriction action bars 4 moves forward and backward and rotates.
In a preferred embodiment, between driving chip 42 and ligation squeeze 41, a driving chip bar 46 can also be set, driving chip bar 46 and driving chip 42 are together fixed on described action bars 4 inside by operation lever pin 45, and driving chip bar 46 has a driving chip bar slotted hole 462 corresponding to the position of described driving chip slotted hole 422.In the present embodiment, driving chip bar 46 can provide the function of extra support driving chip 42.Because driving chip 42 is only a very thin sheet metal, length is very long, insufficient rigidity, be easy in the process moving forward and backward crooked, particularly the ligation clip in ligation squeeze 41 is remaining does not have in several situations, in ligation squeeze 41, there is no to block driving chip 42 and make its unbending filling object, make it be more prone to crooked and cause pushing ligation clip.Driving chip bar 46 is now set can provide certain filling thickness to make it be unlikely to crooked with support drive sheet 42, in addition, the end of driving chip bar 46 can also provide extra propulsive force, especially can apply certain thrust to last ligation clip at first, make all ligation clips can be smoothly pushed and slip over for the first time the agnail 411 of ligation squeeze 41, just can by the agnail 421 in driving chip 42 and ligation squeeze 41 and 411, coordinate the process that push one by one ligation clip that realizes smoothly afterwards.
Because operation lever pin 45 has the function that connects driving chip 42 and action bars 4, also there is the dual-use function that restriction action bars 4 moves forward and backward and rotates, therefore operate lever pin 45 and preferably can adjust easily its two side-prominent length, but also to guarantee that its relative position fixes, therefore in a further advantageous embodiment, action bars 4 inside are provided with a pin spring 451 that operation lever pin 45 is withstood, it can withstand motionless by operation lever pin 45 by elastic force, but because pin spring 451 after all can be movable, therefore the outstanding length that operates lever pin 45 is also easy to adjust.
As Fig. 3 is shown in detail, what wherein show is the zoomed-in view of clamping head B mono-side in decomposition diagram shown in Fig. 2, the end integrated punching of ligation squeeze 41 is bent to form a closed space, the rotating outside that is buckled in described closed space of clamping head B, the end of driving chip 42 is limited in moving in described closed space.That is to say, the end of ligation squeeze 41 of the present invention does not have other extra parts, is the closed space being then bent to form by a single piece of metal sheet punching press completely, and structure is very simple, is easy to processing.The end of driving chip 42 is limited in this closed space, namely driving chip 42 pushes in the process of ligation clip, its end can only move forward and backward in this closed space, thereby the ligation clip that restriction driving chip 42 pushes finally all can be gone out through this closed space is pushed, thereby each ligation clip can be pushed to smoothly in the clamping head B of buckle outside this closed space.
Shown in figure, a pair of clamping head B structure is basic identical, all there is a closed clubfoot B1 and one and open clubfoot B2, closed clubfoot B1 is positioned at bottom one side of ligation squeeze 41, open clubfoot B2 and be positioned at the relative side in bottom of ligation squeeze 41, on closed clubfoot B1, have one and can supply a breach B4 that U-shaped spring leaf B3 blocks, the bottom that U-shaped spring leaf B3 is flattened on ligation squeeze 41 is biased into make position by described a pair of clamping head B.
The arranged outside of opening clubfoot B2 has one by described, to open the plectrum B5 that clubfoot B2 draws in to centre, and the tail end of plectrum B5 has one can be buckled in an aperture 426(on driving chip 42 referring to Fig. 2) in dop B6.
Plectrum B5 is integrated the sheet material that punching press forms, its with described in open one end that clubfoot B2 contacts and by a breach, be separated into two and dial foot B7, each dial the punching press of foot B7 outermost be formed with one with described in open the shifting block B8 of the plane perpendicular to described plectrum B5 of the outer side contacts of clubfoot B2.
The structure of the B of clamping head shown in Fig. 3 is also very simple relative to existing technologies, and it only just can realize whole functions by a pair of clamping head B, a U-shaped spring leaf B3 and a plectrum B5.That is to say, conventionally in the situation that ligature forceps does not operate automatically, the closed clubfoot B1 of clamping head B is strutted by U-shaped spring leaf B3, thereby make the part of clamping head B clamping ligation clip be closure state, can guarantee that clamping head B is in correct position so on the one hand, can in the process that pushes ligation clip, provide certain closed feedback power on the other hand, be unlikely to make ligation clip once having pushed away, to be gone out outward.
After a ligation clip is pushed in clamping head B, operation sleeve pipe 3 relatively ligation squeeze 41 moves forward (will describe its process in detail below), namely operate sleeve pipe 3 relatively clamping head B move forward clamping head B be urged to closure state, thereby make the ligation clip interlock in clamping head B live blood vessel for hemostasis.
Operating afterwards sleeve pipe 3 moves backward, driving chip 42 is also back to initial position, the ligation clip of now biting in theory blood vessel should depart from from clamping head B, but practical situation is, clamping head B is now in closure state, and U-shaped spring leaf B3 also can make clamping head B remain closed, ligation clip basic just can not automatic trip from, can only make by the mode of pullling by force the ligation clip of biting blood vessel depart from clamping head B, consequence is if blood vessel more carefully will be pulled off.
Therefore, in a specific embodiment, the present invention also additionally provides a plectrum B5, this plectrum B5 is stuck in motion together on driving chip 42 by dop B6, after closed procedure completes, sleeve pipe 3 moves backward, driving chip 42 is also back to initial position, driving chip 42 can drive plectrum B5 to move backward simultaneously, shifting block B8 is slided along the outside of opening clubfoot B2, thereby will open clubfoot B2 draws in clamping head B is opened to centre, just the ligation clip of biting blood vessel in clamping head B can have been discharged, namely the situation of blood vessel can not broken.
The shape of the clamping head B showing in Fig. 2,3 is applicable to Hem-o-lok ligation clip, can certainly be applicable to J& by selected shape; The clamping head B of J absolok ligation clip, but regardless of its nose shape, the operating structure that is suitable for that it is basic is all the same.
After introduction is over and operates the clamping head B part of sleeve pipe 3 front ends, referring now to Fig. 4, the structure of operation sleeve pipe 3 rear ends is described, wherein, Fig. 4 shows is partly to cut open structural representation according to fixed handle 1 part of the automatic ligature forceps of a specific embodiment of the present invention.
As shown in Figure 4, stirring 20 is connected by buckle structure is rotating with fixed handle 1.
Action bars 4 outsides are equipped with an action bars spring 32, and action bars spring 32 is stuck in fixed handle 1 inside, and action bars 4 is biased into the side towards fixed handle 1.
What Fig. 5 showed is the schematic perspective view of the structure in Fig. 4, has wherein omitted fixed handle.
As aforementioned, with reference to Fig. 2, ligation squeeze 41 by a pin 44 with stir 20 and be fixedly connected with, support chip 43 is fixedly connected with operation sleeve pipe 3, because support chip 43 has support chip slotted hole 442, therefore, as shown in Figure 4, support chip 43 can and be stirred 20 together with the operation relative ligation squeeze 41 of sleeve pipe 3 and move forward and backward.In addition, exist (Fig. 2) due to support chip slotted hole 442, the driving chip 42 being fixedly connected with action bars 32 also can relative ligation squeeze 41 and is stirred 20 and move forward and backward, further, due to exist (Fig. 2) of breach 431, the driving chip 42 being fixedly connected with action bars 32 can also move forward and backward with operation sleeve pipe 3 by relative support chip 43.
Thus, below with reference to Fig. 2,4,5, describe the motion principle of automatic ligature forceps of the present invention in detail.That is, when starting operation, can pass through the operation of flexible handle 2, the elastic force effect that promotion action bars 4 overcomes action bars spring 32 moves forward, and action bars 4 will drive the driving chip 42 being fixedly connected with it to move forward.Now, exist (Fig. 2) due to breach 431, support chip 43 and operation sleeve pipe 3 can not move, thereby driving chip 42 will move ligation clip is released forward relative to ligation squeeze 41, come top that ligation clip and will progress in clamping head B and to open clamping head B is crowded.
Along with action bars 4 continues to move forward, the outstanding end of the operation lever pin 45 that action bars 4 is connected with driving chip 42 will arrive the front end (definition: the one end towards the clamping head B of ligature forceps is front end of breach 431, towards one end of fixed handle 1, be tail end), then when action bars 4 moves on, action bars 4 will promote together with operation lever pin 45 the elastic force effect that support chip 43 overcomes sleeve pipe spring 31 together with the operation sleeve pipe 3 being fixedly connected with it and move forward.
Along with driving chip 42 reaches the distal-most end that it moves, top that ligation clip enters into clamping head B completely, operate sleeve pipe 3 simultaneously and also can arrive the distal-most end that it moves, namely operate sleeve pipe 3 relatively clamping head B move forward clamping head B be urged to closure state, thereby make the ligation clip interlock in clamping head B live blood vessel for hemostasis.
Afterwards, decontrol flexible handle 2, first operation sleeve pipe 3 returns backward (simultaneously together with support chip 43 under the elastic force effect of sleeve pipe spring 31, action bars 4 also returns under the elastic force effect of action bars spring 32), when the front end of support chip slotted hole 442 moves to behind the position of pin 44, support chip 43 is stuck and no longer moves, and operation sleeve pipe 3 has also just stopped rollback.But meanwhile, action bars 4 also can continue rollback, until the front end of breach 431 contacts with operation lever pin 45, action bars 4 will be stuck and no longer move.A cycle period finishes.
Although the motion principle of the above automatic ligature forceps of the present invention is simple, but whole process all needs operator rule of thumb to judge the residing state of ligature forceps, that is, operator need to rule of thumb carry out the propelling progress of decision operation bar 4, when operating sleeve pipe 3 can advance, when need to go into overdrive to make clamping head B closure to be all not very clear, the difficulty of operation is still very large.
Therefore,, even if provide simple in structure, part is few, the automatic ligature forceps of reliable operation, the present invention has still further carried out further improvement to the fixed handle 1 of automatic ligature forceps and flexible handle 2, and the simply structure of decision operation progress is provided, to reduce the difficulty of operation technique.
Specifically, as shown in Figure 6,7, wherein, what Fig. 6 showed is according to the part-structure schematic diagram of the fixed handle 1 of a specific embodiment of the present invention and flexible handle 2, and what Fig. 7 showed is the enlarged diagram at C place, position shown in Fig. 4.
Referring to Fig. 6,7, flexible handle 2 has one and makes moved end 21 and a manual operation end 22, do between moved end 21 and manual operation end 22 by a hinge 11 and fixed handle 1 hingedly, flexible handle 2 can be made moved end 21 operating operation bars 4 by it, and action bars 4 is moved forward and backward along its length.
To this detailed description, be, subsidiary referring to shown in Fig. 4, action bars spring 32 is stuck in the first flange 33 on action bars 4 and stirs between 20, does moved end 21 and can promote the first flange 33, makes elastic force that action bars 4 overcomes action bars spring 32 towards the lateral movement away from fixed handle 1.
The moved end 21 of doing of flexible handle 2 is middle laminated structures of stirring with a groove 23; The action bars 4 also having on action bars 4 between second flange 34, the first flanges 33 and the second flange 34 may be stuck in the middle freely activity of groove 23 of doing moved end 21.The benefit of design is like this, and the groove 23 of doing moved end 21 can be stuck between the first flange 33 and the second flange 34, has increased and has made moved end 21 and the reliability that action bars 4 contacts, and is unlikely to because of slippage, departs from and cause operation failure.On the other hand, owing to stirring 20 when stirring, action bars 4 also can be along with rotation, thus action bars 4 between the first flange 33 and the second flange 34, part can't be stuck with groove 23, also need to make action bars 4 in groove 23, freely to rotate.
Specifically, fixed handle 1 of the present invention is put together by two one side of something, in figure, only show half structure, even if only represented the structure of half, but or can find out, the end that locks shell fragment 24 respectively stretches out one and locks 241 to two medial walls of fixed handle 1, on two medial walls of fixed handle 1, be respectively formed with one with a described locking 241 arc-shaped limit bar 25 that coordinate.If merely from function, as long as locking a side of shell fragment 24 has one and locks 241, on a medial wall of fixed handle 1 correspondence, form an arc-shaped limit bar 25 and also can realize same function, just be symmetrically formed two lock 241 and arc-shaped limit bar 25 reliabilities higher, operate and be not easy skew.
Arc-shaped limit bar 25 has a spacing side 251 and one and returns to side 252, and spacing side 251 is positioned at arc inner side the facing movament handle 2 of arc-shaped limit bar 25, returns to side 252 and is positioned at the arc outside of arc-shaped limit bar 25 and deviates from flexible handle 2.
Wherein, return to side 252 and there is smooth curved surfaces continuously.The benefit of this design is to make in process that flexible handle 2 returns at elastic force more smooth and easyly, if curved surfaces frictional force is too large, flexible handle 2 just need to be broken into two with one's hands with two handss when returning.
Spacing side 251 there is bottom a sawtooth portion 253, the upper end of sawtooth portion 253 is connected with a pit part 254, the upper end of pit part 254 is connected with a smooth sliding part 255, the upper end of smooth sliding part 255 is connected with a lobe 256, lobe 256 is to having a non-return portion 257 between the top of spacing side 251, and non-return portion 257 has compressing and locks 241 smooth surfaces to strain inside the arc of arc-shaped limit bar 25.
It is very complicated that the structure of arc-shaped limit bar 25 described above seems, but but can provide the function of good identifying operation progress.Below with reference to Fig. 8 a-8d, describe the operating process of flexible handle in detail, what wherein show is the operating process schematic diagram of flexible handle.
Under initial shape body, as shown in Figure 8 a, under normal circumstances, the locking 241 that locks shell fragment 24 is resisted against the sawtooth portion 253 of arc-shaped limit bar 25, when flexible handle 2 further operates, lock shell fragment 24 and be out of shape a little lockings 241 is resisted against in sawtooth portion 253 and slided, lock 241 friction that slip over sawtooth portion 253 and can send the click sound that click rattles away of rattling away, represent that action bars 4 is in normal progradation.In a preferred embodiment, in order increasing, to lock 241 sounds while sliding, as shown in Figure 6, to lock on 241 and be provided with stair-stepping relief fabric, when can be used for running into projection on arc-shaped limit bar 25, pit, can send the larger sound, to remind operator to note.
Then, when locking 241, arrive at pit part 254, flexible handle 2 can obviously occur that the pause of a larger resistance (locks a 241 meeting elastic force simultaneously and impact pit part 254, send a sound), now action bars 4 is advanced to and will have driven operation sleeve pipe 3 position of advancing, even if namely operator cannot see the situation of clamping head B, also know that ligation clip has entered in clamping head B, to be firmly that operation sleeve pipe 3 is forward by clamping head B closure below.
Now, operator aims at clamping head B the blood vessel that needs hemostasis, firmly mediate flexible handle 2, lock 241 and cross lobe 256 after slipping over smoothly smooth sliding part 255, locking 241 can rebound gently, and bounce will be sent a sound, show to operate sleeve pipe 3 and arrived the distal-most end of advancing, clamping head B is closed, but operator can't take out ligature forceps, because clamping head B does not also open.
Further operant activity handle 2, locking 241 is further oppressed by non-return portion 257, cross the top of spacing side 251, as shown in Figure 8 b, locking 241 will fiercely upspring, bounce is sent a sound, can feel that the resistance that flexible handle 2 is subject to obviously diminishes simultaneously, shows that whole progradation finishes.
After this, unclamp flexible handle 2, it is returned under elastic force effect, owing to locking 241 the tops of having crossed spacing side 251 after upspringing, locking 241 will return naturally along returning to the continuous smooth curved surfaces in side 252, as shown in Figure 8 c, afterwards, operator feels and shows that clamping head B has opened completely, can take out ligature forceps by no longer rollback of flexible handle 2.
Now, locking 241 is still positioned at and returns on side 252, return to arranging of side 252 and can make to lock 241 strain that generation a bit makes progress a little, now can flexible handle 2 be broken into two with one's hands by manpower, lock 241 cross return side 252 bottom after, resilience downwards, resilience force can send a sound, as shown in Fig. 8 d.
Finally, the locking after resilience 241 has been positioned at the inner side bottom of returning to side 252, can only turn back to initial state as shown in Figure 8 a, starts to carry out propelling next time and returns and operated.
By above explanation, the training that operator need not be too many can be easy to judge the residing state of ligature forceps, greatly reduces the difficulty of operation.
Above-mentioned automatic ligature forceps provided by the present invention is simple in structure, and parts are few, and functional reliability is high, is easy to grasp dynamics and propelling progress, has reduced the difficulty of operation technique.
Although it will be appreciated by those skilled in the art that the present invention is described according to the mode of a plurality of embodiment, not each embodiment only comprises an independently technical scheme.For the purpose of in description, so narration is only used to know; those skilled in the art should make description as a wholely to be understood, and regard technical scheme related in each embodiment as the mode that can mutually be combined into different embodiment understand protection scope of the present invention.
The foregoing is only the schematic specific embodiment of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, not departing from equivalent variations, modification and the combination of doing under the prerequisite of design of the present invention and principle, all should belong to the scope of protection of the invention.
Claims (10)
1. for an automatic ligature forceps for ligation clip, described automatic ligature forceps comprises:
A fixed handle (1);
A flexible handle (2) hinged with described fixed handle (1);
An operation sleeve pipe (3) that can rotate around its axis (A) by stirring head (20) operation, can connect in described operation sleeve pipe (3) a plurality of ligation clips are set, described a plurality of ligation clips can be successively operation by described flexible handle (2) push out one by one described operation sleeve pipe (3);
The a pair of described operation sleeve pipe (3) that is arranged on is away from the clamping head (B) of one end of described fixed handle (1), and described clamping head (B) can be by described closed clamping of ligation clip that pushes out described operation sleeve pipe (3); It is characterized in that,
In described operation sleeve pipe (3), be provided with the ligation squeeze (41) that can hold described ligation clip, described ligation squeeze (41) is bent into the strip structure that cross section is spill after by metal sheet integrated punching, along the length direction of described ligation squeeze (41), is formed with a plurality of to the inner outstanding agnail (411) of described ligation squeeze (41) in its bottom punching press;
In described operation sleeve pipe (3), be also provided with one can relatively described ligation squeeze (41) driving chip (42) of motion, described driving chip (42) covers the side that described ligation squeeze (41) is opened wide, and jointly formed a space that holds described ligation clip with described ligation squeeze (41), described driving chip (42) is formed by metal sheet integrated punching, and described driving chip (42) along its length punching press is formed with a plurality of to the inner outstanding agnail (421) of described ligation squeeze (41); Described driving chip (42) is fixedly connected with an action bars (4), by described flexible handle (2) elastic operation, it moves forward and backward described action bars (4), and described action bars (4) lies along the inside of described fixed handle (1) from described operation sleeve pipe (3);
In described operation sleeve pipe (3), be also provided with two identical half-cylindrical support chips of shape (43), described support chip (43) is middle at described operation sleeve pipe (3) by described ligation squeeze (41) and driving chip (42) clamping position, and described operation sleeve pipe (3) is connected to one with described support chip (43).
2. automatic ligature forceps according to claim 1, is characterized in that, described ligation squeeze (41) by a pin (44) with described in stir head (20) be fixedly connected with; On described support chip (43) and described driving chip (42), there is respectively support chip slotted hole (442) and the driving chip slotted hole (422) that can pass for described pin (44).
3. automatic ligature forceps according to claim 2, it is characterized in that, described driving chip (42) is fixedly connected with described action bars (4) by an operation lever pin (45), and two described support chips (43) arrange and have around described action bars (4) can be for the free movable breach (431) of described operation lever pin (45).
4. according to the automatic ligature forceps one of claim 1-3 Suo Shu, it is characterized in that, described a pair of clamping head (B) structure is identical, all there is a closed clubfoot (B1) and one and open clubfoot (B2), the closed clubfoot (B1) of described a pair of clamping head (B) is positioned at bottom one side of described ligation squeeze (41), described a pair of clamping head (B) open the relative side in bottom that clubfoot (B2) is positioned at described ligation squeeze (41), on described closed clubfoot (B1), there is a breach (B4) that can block for a U-shaped spring leaf (B3), the bottom that described U-shaped spring leaf (B3) is flattened on described ligation squeeze (41) is biased into make position by described a pair of clamping head (B).
5. according to the automatic ligature forceps one of claim 1-4 Suo Shu, it is characterized in that, described arranged outside of opening clubfoot (B2) have one will described in open the plectrum (B5) that clubfoot (B2) draws in to centre, the tail end of described plectrum (B5) has a dop (B6) in an aperture (426) that can be buckled on described driving chip (42).
6. according to the automatic ligature forceps one of claim 1-5 Suo Shu, it is characterized in that, described plectrum (B5) is integrated the sheet material that punching press forms, its with described in open one end that clubfoot (B2) contacts and by a breach, be separated into two and dial feet (B7), each dial the punching press of foot (B7) outermost be formed with one with described in open the shifting block (B8) of the plane perpendicular to described plectrum (B5) of the outer side contacts of clubfoot (B2).
7. according to the automatic ligature forceps one of claim 1-6 Suo Shu, it is characterized in that, described in described operation sleeve pipe (3) is positioned at, stir the inner outside of head (20) and be equipped with a sleeve pipe spring (31), described in described sleeve pipe spring (31) is stuck in, stir the inside of head (20), and described operation sleeve pipe (3) is biased into the side towards described fixed handle (1).
8. according to the automatic ligature forceps one of claim 1-7 Suo Shu, it is characterized in that, described action bars (4) outside is equipped with an action bars spring (32), described action bars spring (32) is stuck in described fixed handle (1) inside, and described action bars (4) is biased into the side towards described fixed handle (1).
9. according to the automatic ligature forceps one of claim 1-8 Suo Shu, it is characterized in that, moved end (21) one sides of doing of described flexible handle (2) are formed with one perpendicular to the described locking shell fragment (24) of doing moved end (21), are formed with the arc-shaped limit bar (25) coordinating with described locking shell fragment (24) on described fixed handle (1) medial wall; Described arc-shaped limit bar (25) has a spacing side (251) and one and returns to side (252), described spacing side (251) is positioned at the arc inner side of described arc-shaped limit bar (25) and towards described flexible handle (2), described in return to side (252) and be positioned at the arc outside of described arc-shaped limit bar (25) and deviate from described flexible handle (2); The described side (252) of returning has smooth curved surfaces continuously.
10. according to the automatic ligature forceps one of claim 1-9 Suo Shu, it is characterized in that, described spacing side (251) there is bottom a sawtooth portion (253), the upper end of described sawtooth portion (253) is connected with a pit part (254), the upper end of described pit part (254) is connected with a smooth sliding part (255), the upper end of described smooth sliding part (255) is connected with a lobe (256), described lobe (256) has a non-return portion (257) between the top of described spacing side (251), described non-return portion (257) has the described head (241) that locks of compressing to the smooth surface of strain inside the arc of described arc-shaped limit bar (25).
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| CN201310522923.9A CN103519865B (en) | 2013-10-29 | 2013-10-29 | A kind of automatic ligature forceps for ligation clip |
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| CN201310522923.9A CN103519865B (en) | 2013-10-29 | 2013-10-29 | A kind of automatic ligature forceps for ligation clip |
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| CN103519865A true CN103519865A (en) | 2014-01-22 |
| CN103519865B CN103519865B (en) | 2016-01-27 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106037866A (en) * | 2016-07-12 | 2016-10-26 | 成都意町工业产品设计有限公司 | Hemostatic clip applier capable of continuously serving |
| CN106037947A (en) * | 2016-07-12 | 2016-10-26 | 成都意町工业产品设计有限公司 | Hemostatic clip packaging box |
| CN106037868A (en) * | 2016-07-12 | 2016-10-26 | 成都意町工业产品设计有限公司 | Hemostatic clip applier capable of continuously launching multiple hemostatic clips |
| CN106175870A (en) * | 2016-07-12 | 2016-12-07 | 成都意町工业产品设计有限公司 | A kind of hemostatic clamp applicator that can launch hemostatic clamp continuously |
| CN106175868A (en) * | 2016-07-12 | 2016-12-07 | 成都意町工业产品设计有限公司 | A kind of hemostatic clamp applicator of rapid fire hemostatic clamp |
| CN106175869A (en) * | 2016-07-12 | 2016-12-07 | 成都意町工业产品设计有限公司 | The hemostatic clamp applicator that a kind of tightness is good |
| CN106913365A (en) * | 2017-03-16 | 2017-07-04 | 栗超跃 | A kind of scalp clip output device |
| CN107348986A (en) * | 2017-08-22 | 2017-11-17 | 英特姆（武汉）医疗科技有限公司 | A kind of ligation clip magazine and ligature forceps |
| CN109640841A (en) * | 2016-08-22 | 2019-04-16 | 波士顿科学有限公司 | Hemostasis with casing engagement can be reloading with clamping device |
| WO2020056656A1 (en) * | 2018-09-20 | 2020-03-26 | 台湾先进手术医疗器材股份有限公司 | Anti-reverse device of vascular clip applier |
| CN111493968A (en) * | 2020-06-02 | 2020-08-07 | 成都康奥特咨询管理中心 | Scalp clip gun with rotatable clip cabin |
| CN112690864A (en) * | 2019-10-23 | 2021-04-23 | 苏州英途康医疗科技有限公司 | Medical instrument and automatic clamp feeding method |
| CN112690863A (en) * | 2019-10-23 | 2021-04-23 | 苏州英途康医疗科技有限公司 | Clamping device and surgical operation instrument |
| WO2021078069A1 (en) * | 2019-10-23 | 2021-04-29 | 苏州英途康医疗科技有限公司 | Clipping cartridge device and surgical instrument |
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| CN106175869B (en) * | 2016-07-12 | 2019-02-12 | 成都意町工业产品设计有限公司 | A kind of hemostatic clamp applicator that tightness is good |
| CN106037866A (en) * | 2016-07-12 | 2016-10-26 | 成都意町工业产品设计有限公司 | Hemostatic clip applier capable of continuously serving |
| CN106037868A (en) * | 2016-07-12 | 2016-10-26 | 成都意町工业产品设计有限公司 | Hemostatic clip applier capable of continuously launching multiple hemostatic clips |
| CN106175870A (en) * | 2016-07-12 | 2016-12-07 | 成都意町工业产品设计有限公司 | A kind of hemostatic clamp applicator that can launch hemostatic clamp continuously |
| CN106175868A (en) * | 2016-07-12 | 2016-12-07 | 成都意町工业产品设计有限公司 | A kind of hemostatic clamp applicator of rapid fire hemostatic clamp |
| CN106175869A (en) * | 2016-07-12 | 2016-12-07 | 成都意町工业产品设计有限公司 | The hemostatic clamp applicator that a kind of tightness is good |
| CN106175870B (en) * | 2016-07-12 | 2018-10-26 | 成都意町工业产品设计有限公司 | A kind of hemostatic clamp applicator that can continuously emit hemostatic clamp |
| CN106037947B (en) * | 2016-07-12 | 2018-10-26 | 成都意町工业产品设计有限公司 | A kind of hemostatic clamp packing box |
| CN106037947A (en) * | 2016-07-12 | 2016-10-26 | 成都意町工业产品设计有限公司 | Hemostatic clip packaging box |
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| CN109640841A (en) * | 2016-08-22 | 2019-04-16 | 波士顿科学有限公司 | Hemostasis with casing engagement can be reloading with clamping device |
| CN106913365A (en) * | 2017-03-16 | 2017-07-04 | 栗超跃 | A kind of scalp clip output device |
| CN107348986A (en) * | 2017-08-22 | 2017-11-17 | 英特姆（武汉）医疗科技有限公司 | A kind of ligation clip magazine and ligature forceps |
| CN107348986B (en) * | 2017-08-22 | 2023-09-22 | 英特姆(武汉)医疗科技股份有限公司 | Ligature clip magazine and ligature forceps |
| WO2020056656A1 (en) * | 2018-09-20 | 2020-03-26 | 台湾先进手术医疗器材股份有限公司 | Anti-reverse device of vascular clip applier |
| CN112690863B (en) * | 2019-10-23 | 2022-04-29 | 苏州英途康医疗科技有限公司 | Clamping device and surgical operation instrument |
| WO2021078069A1 (en) * | 2019-10-23 | 2021-04-29 | 苏州英途康医疗科技有限公司 | Clipping cartridge device and surgical instrument |
| CN112690863A (en) * | 2019-10-23 | 2021-04-23 | 苏州英途康医疗科技有限公司 | Clamping device and surgical operation instrument |
| CN112690864A (en) * | 2019-10-23 | 2021-04-23 | 苏州英途康医疗科技有限公司 | Medical instrument and automatic clamp feeding method |
| CN111493968A (en) * | 2020-06-02 | 2020-08-07 | 成都康奥特咨询管理中心 | Scalp clip gun with rotatable clip cabin |
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