CN104287798A - Adjustable needle holder for endoscopic surgery - Google Patents
Adjustable needle holder for endoscopic surgery Download PDFInfo
- Publication number
- CN104287798A CN104287798A CN201410570845.4A CN201410570845A CN104287798A CN 104287798 A CN104287798 A CN 104287798A CN 201410570845 A CN201410570845 A CN 201410570845A CN 104287798 A CN104287798 A CN 104287798A
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- China
- Prior art keywords
- clamp handle
- claw beam
- clamping head
- needle holder
- bending
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Classifications
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/062—Needle manipulators
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets 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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0483—Hand-held instruments for holding sutures
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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
Abstract
The invention discloses an adjustable needle holder for endoscopic surgery. The adjustable needle holder comprises a forceps rod, a forceps jaw, a forceps handle, a clipping assembly, a bending assembly and a clamping assembly. The forceps jaw is rotationally mounted at the left end of the forceps rod via a hinge pin, the forceps handle is fixedly mounted at the right end of the forceps rod, the clipping assembly is mounted between the forceps jaw and the forceps handle, the forceps jaw can be opened and closed by the aid of the clipping assembly, the bending assembly is mounted between the forceps jaw and the forceps handle, the forceps jaw can be bent by the aid of the bending assembly, the clamping assembly is mounted between the clipping assembly and the forceps handle, and the forceps handle can stably clamp suture needles by the aid of the clamping assembly. The adjustable needle holder has the advantages that the adjustable needle holder is simple in structure and convenient to operate, and the forceps jaw of the needle holder can be controllably bent and adjusted.
Description
Technical field
The present invention relates to a kind of needle holder being applicable to surgery Minimally Invasive Surgery, specifically, relate to a kind of structure simple, easy to operate, the adjustable endoscope-assistant surgery needle holder of controllability bending adjustment can be carried out to the jaw of needle holder.
Background technology
Along with the continuous progress of medical skill, the requirement of people to medical services effect and quality is also more and more higher, the direction that Wicresoft's endoscope-assistant surgery will be surgical field development from now on.Endoscope-assistant surgery technical requirement is high, complicated operation, the operating theater instruments used in art is various, wherein, the conventional needle holder tool used in minimal invasive surgical procedures implemented by chamber mirror needle holder, because body structures is complicated, and Minimally Invasive Surgery otch is little, visual field limitation, and operation technique space is narrow, therefore, multiple operating walk way set up by normal need, and in operation process, need to use multiple apparatus to coordinate operate, operating theater instruments is changed frequent.But mostly existing needle holder and other operating theater instruments are not bent, pass in and out visual area in art, understand block vision unavoidably, affect operation technique stiffly; In addition, at some privileged sites, because dissection reason or space limit, traditional needle holder that can not turn to, bend is difficult to complete operation, increase difficulty to operation, cause operating time to extend, hemorrhagely to increase, anaesthetize and other drug uses increase, the easily generation of initiation post-operative complication.
Summary of the invention
For above deficiency, the invention provides structure simple, easy to operate, the adjustable endoscope-assistant surgery needle holder of controllability bending adjustment can be carried out to the jaw of needle holder, it comprises claw beam, and the left end of described claw beam is provided with jaw, and the right-hand member of claw beam is provided with clamp handle, described clamp handle is provided with the folder forcing described jaw to switch between opening and closing state and closes assembly, described clamp handle is also provided with the bending assembly that described jaw can be forced to a lateral buckling.
In order to realize the present invention further, described jaw comprises dynamic clamping head and quiet clamping head, be rotatably connected by bearing pin between the right-hand member end of described quiet clamping head and the left end end of claw beam, be rotatably connected by bearing pin between described dynamic clamping head and quiet clamping head, described bending assembly comprises elastic reset part and bending draught line, described elastic reset part is installed between quiet clamping head and claw beam, straight configuration is in force described quiet clamping head, one end of described bending draught line connects quiet clamping head, and its other end extends to clamp handle position.
In order to realize the present invention further, described bending assembly also comprises an attacker, described clamp handle is provided with the chute of left and right directions, and described attacker is slidably installed in described chute, and the other end of described bending draught line is connected to attacker.
In order to realize the present invention further, the Saw blade that falls being used as stop bit is formed in the chute of described clamp handle, the length direction of described Saw blade is consistent with the length direction of chute, the side that described attacker corresponds to chute is formed with the Saw blade that falls engaged with the Saw blade in chute, and the length direction of the Saw blade on attacker is consistent with the length direction of chute.
In order to realize the present invention further, the chute internal fixtion of described clamp handle is provided with magnetic part, the lateral surface of described magnetic part is formed with described Saw blade, and the side that described attacker corresponds to chute is provided with magnetic absorption member, and the medial surface of described magnetic absorption member is formed with described Saw blade.
In order to realize the present invention further, the right-hand member end of described claw beam is arranged with connecting hole, the inwall of described connecting hole is convexly equipped with at least one circle snap ring along its circumferencial direction, the left end end of described clamp handle is provided with the socket part with the connecting hole adaptation of described claw beam, and the position that the outer wall of described socket part corresponds to each snap ring of claw beam is arranged with the Embedded Division being mated action respectively.
In order to realize the present invention further, the outer wall of described claw beam is convexly equipped with chuck along its circumferencial direction.
In order to realize the present invention further, described folder closes that assembly comprises elastic reset part, folder closes draught line and folder closes transmitter shaft, described elastic reset part is arranged between dynamic clamping head and quiet clamping head, open configuration is in force described dynamic clamping head and quiet clamping head, one end that described folder closes draught line connects dynamic clamping head, the other end that described folder closes draught line is connected to folder and closes transmitter shaft, and described folder is closed transmitter shaft and rotated by bearing pin and be installed on clamp handle.
In order to realize the present invention further, described folder closes the transmission arm of force that transmitter shaft comprises transmission lever and arc, by together with hinge between the right-hand member of described transmission lever with the transmission arm of force, the left end of the described transmission arm of force is rotatably installed in clamp handle by bearing pin, the left end of transmission lever is provided with slide bar, described clamp handle corresponds to the elongated hole that the position of transmitting the arm of force is provided with left and right directions, and described slide bar is slidably installed in the described elongated hole of clamp handle, and the left end of transmission lever connects folder and closes draught line.
In order to realize the present invention further, described jaw comprises clamping seat and two panels moves clamping head, be rotatably connected by bearing pin between the right-hand member end of described clamping seat and the left end end of claw beam, two dynamic clamping heads are rotatably installed on clamping seat by bearing pin, described bending assembly comprises elastic reset part and two bending draught lines, described elastic reset part is installed between clamping seat and claw beam, straight configuration is in force described clamping seat, the one end bending draught line described in each connects two panels respectively and moves clamping head, and its other end extends to clamp handle position.
Beneficial effect of the present invention: jaw of the present invention comprises dynamic clamping head and quiet clamping head, be rotatably connected by bearing pin between the right-hand member end of quiet clamping head and the left end end of claw beam, the elastic reset part forcing quiet clamping head to be in straight configuration is provided with between quiet clamping head and claw beam, the opposite side of quiet clamping head is connected with bending draught line, bending draught line is utilized to pull quiet clamping head (clamping head is along with first of quiet clamping bending) forward fold, the active force of the elastic reset of elastic reset part goes to hinder quiet clamping head forward fold, thus realize the bending angle of the quiet clamping head of multi-angle, namely the bending angle of jaw is changed, needle holder of the present invention is made no longer to be subject to the limitation in surgical field of view and operation technique space, doctor is facilitated to carry out operation technique, also facilitate simultaneously and suture operation operation is carried out to the privileged sites of wound, in addition, the present invention utilizes falling the coordinating of Saw blade and the Saw blade in clamp handle chute on attacker, the multistage controlled location of the bending angle of jaw can be realized, in operation process, doctor is not used as draw ring, facilitate it to throw in all attention at operative site, operation can be completed faster, alleviate the misery of patient, have again, the employing of falling Saw blade magnetic absorption member on attacker of the present invention, the employing of falling Saw blade magnetic part in clamp handle chute, utilize the mutual absorption of magnetic absorption member and magnetic part, can ensure jaw more stable remain on certain bending angle, avoid in operation process, because the rocking or rotating of needle holder, the constraint of the Saw blade in the disengaging of the falling Saw blade clamp handle chute on attacker, causes jaw reset and occur that operation is unexpected.
Accompanying drawing explanation
Fig. 1 is the structural representation of adjustable endoscope-assistant surgery needle holder of the present invention;
Fig. 2 is the partial schematic sectional view of the link position of claw beam of the present invention and clamp handle;
Fig. 3 is the partial schematic sectional view of the link position of claw beam of the present invention and jaw;
Fig. 4 is the structural representation of the link position of claw beam of the present invention and jaw;
Fig. 5 is the structural representation of jaw of the present invention;
Fig. 6 is the structural representation of the link position of another embodiment of claw beam of the present invention and jaw;
Fig. 7 is the structural representation of another embodiment of jaw of the present invention;
Fig. 8 is the structural representation of another embodiment of the present invention.
Detailed description of the invention
Be further elaborated the present invention below in conjunction with accompanying drawing, wherein, direction of the present invention take Fig. 1 as standard.
As Fig. 1, shown in Fig. 2 and Fig. 3, adjustable endoscope-assistant surgery needle holder of the present invention comprises claw beam 1, jaw 2, clamp handle 3, folder closes assembly 4, bending assembly 5 and clamp assemblies 6, jaw 2 is rotatably installed in the left end end of claw beam 1, clamp handle 3 is fixedly mounted on the right-hand member end of claw beam 1, folder closes assembly 4 and is arranged between jaw 2 and clamp handle 3, folder is utilized to close the opening and closing that assembly 4 realizes jaw 2, bending assembly 5 is arranged between jaw 2 and clamp handle 3, bending assembly 5 is utilized to realize the bending of jaw 2, clamp assemblies 6 is arranged on folder and closes between assembly 4 and clamp handle 3, clamp assemblies 6 is utilized to realize the firm clamping of clamp handle 3 pairs of suture needles, wherein,
Claw beam 1 is arranged in left and right directions, the right-hand member of claw beam 1 is provided with the connecting hole 11 for being rotationally connected clamp handle 3, the inwall of connecting hole 11 is convexly equipped with at least one circle snap ring 12 along its circumferencial direction, the left end of claw beam 1 is provided with the outer through wires hole 13 communicated with connecting hole 11, outer through wires hole 13 extends to the left end end of claw beam 1 left, the outer wall of claw beam 1 is convexly equipped with chuck 14 along its circumferencial direction, so that surgical doctor operation.
As shown in Figure 4 and Figure 5, jaw 2 comprises dynamic clamping 21 and quiet clamping 22, be rotatably connected with the gesture of intersecting by bearing pin 7 between dynamic clamping 21 and quiet clamping 22, the right-hand member end of dynamic clamping 21 is provided with clamping ring 23, to make to be kept closed between dynamic clamping 21 and quiet clamping 22 by External Force Acting in clamping ring 23; Be rotatably connected by bearing pin 7 between the right-hand member end of quiet clamping 22 and the left end end of claw beam 1, the outer wall of quiet clamping 22 is provided with bending ring 24, to make quiet clamping 22 relative to claw beam 1 forward fold by External Force Acting in bending ring 24.
The left end end of clamp handle 3 is provided with the socket part 31 be rotatably installed in the connecting hole 11 of claw beam 1, the position that the outer wall of socket part 31 corresponds to each snap ring 12 of claw beam 1 is arranged with the Embedded Division 32 being mated action respectively, by coordinating of snap ring 12 and Embedded Division 32, make claw beam 1 with the socket part 31 of clamp handle 3 for axis rotates; The middle position, bottom of clamp handle 3 is provided with the chute 33 of left and right directions, chute 33 internal fixtion is provided with magnetic part 34, magnetic part 34 is generally to be had by the metallic iron of characterization of adsorption, Magnet or electric magnet, the lateral surface of magnetic part 34 is formed with the Saw blade that falls being used as stop bit, and the length direction of Saw blade is consistent with the length direction of chute 33; The middle position, top of clamp handle 3 is provided with the elongated hole 35 of left and right directions; The right-hand member end of clamp handle 3 is provided with the handle 36 of ring-type; The centre of socket part 31 is provided with interior through wires hole 37, and interior through wires hole 37 extends to the end of socket part 31 left, and interior through wires hole 37 to the right bifurcated also extends the position of elongated hole 35 and chute 33 respectively.
Folder closes that assembly 4 comprises elastic reset part 41, folder closes draught line 42 and folder closes transmitter shaft 43, elastic reset part 41 is arranged between dynamic clamping 21 and quiet clamping 22, utilizes elastic reset part 41 to make dynamic clamping 21 and quiet clamping 22 keep normally open under without the effect of external force.Wherein, elastic reset part 41 can adopt shell fragment or spring structure, when elastic reset part 41 adopts elastic piece structure, in dynamic clamping 21 and quiet clamping 22, an installing hole is set respectively, the length direction of two installing holes is inconsistent, the two ends of shell fragment are inserted respectively and are connected in the installing hole of dynamic clamping 21 and quiet clamping 22, shell fragment is in case of bending always, dynamic clamping 21 and quiet clamping 22 keeps normally open under without the effect of external force can to realize utilizing shell fragment to ensure, when elastic reset part 41 adopts spring structure, the two ends of spring connect dynamic clamping 21 and quiet clamping 22 respectively, spring is in compressive state always, spring can be utilized to ensure, and dynamic clamping 21 and quiet clamping 22 keeps normally open under without the effect of external force, one end that folder closes draught line 42 connects the clamping ring 23 of dynamic clamping 21, and the other end that folder closes draught line 42 is connected to folder through outer through wires hole 13 and interior through wires hole 37 successively and closes transmitter shaft 43, folder closes the transmission arm of force 45 that transmitter shaft 43 comprises transmission lever 44 and arc, hinged by bearing pin 7 between the right-hand member of transmission lever 44 and the transmission arm of force 45, the left end transmitting the arm of force 45 is rotatably installed in clamp handle 3 by bearing pin 7, slide bar 46 is provided with inside the left end of transmission lever 44, slide bar 46 is slidably installed in the elongated hole 35 of clamp handle 3, slide bar 46 can horizontally slip along elongated hole 35, and the left end of transmission lever 44 connects folder and closes draught line 42.When firmly pressing down the right-hand member transmitting the arm of force 45 downwards, transmit the arm of force 45 with its left end junction point for axle rotates, thus drive transmission lever 44 to slide along the elongated hole 35 of clamp handle 3 to the right, transmission lever 44 will close draught line 42 by strain clamp to the right, folder closes draught line 42 and is in tensioned state, thus driving dynamic clamping 21 to rotate with its junction point with bearing pin 7, dynamic clamping 21 oppresses elastic reset part 41 to centre, to realize dynamic clamping 21 and quiet clamping 22 closes; When discharging external force, folder closes draught line 42 and is in relaxed state, due to the ability of the self-recovery deformation of elastic reset part 41, makes dynamic clamping 21 and quiet clamping 22 be in open configuration.
Bending assembly 5 comprises elastic reset part 51, bending draught line 52 and attacker 53, elastic reset part 51 is arranged on quiet clamping between 22 and claw beam 1, utilize elastic reset part 51 to make quiet clamping 22 and claw beam 1 be in straight configuration under without the effect of external force, namely the length direction of quiet clamping 22 is consistent with the length direction of claw beam 1.Wherein, elastic reset part 51 can adopt shell fragment or spring structure, when elastic reset part 51 adopts elastic piece structure, in the right-hand member end of quiet clamping 22 and the left end end of claw beam 1, an installing hole is set respectively, two installing holes are just to setting, the two ends of shell fragment are inserted respectively and are connected in the installing hole of quiet clamping 22 and claw beam 1, shell fragment is in exceptionally straight state always, quiet clamping 22 and claw beam 1 are in straight configuration under without the effect of external force can to realize utilizing shell fragment to ensure, when elastic reset part 51 adopts spring structure, the two ends of spring connect quiet clamping 22 and claw beam 1 respectively, spring is in original state (naturally stretching), one end of bending draught line 52 connects attacker 53, and the other end of bending draught line 52 is connected to the bending ring 24 of quiet clamping 22 successively through interior through wires hole 37 and outer through wires hole 13, the inner side (upper surface) of attacker 53 is provided with magnetic absorption member 54, magnetic absorption member 54 is generally the Magnet or electric magnet with characterization of adsorption, the medial surface of magnetic absorption member 54 is formed with the Saw blade that falls engaged with the Saw blade of clamp handle 3 magnetic part 34, the length direction of the Saw blade of the medial surface of magnetic absorption member 54 is consistent with the length direction of chute 33, after the Saw blade of magnetic absorption member 54 engages with the teeth of the Saw blade of magnetic part 34, attacker 53 can only do to the right unidirectional slip along chute 33 relative to magnetic part 34, to realize the classification location of the position of attacker 53.When firmly pulling attacker 53 to the right, attacker 53 slides to the right along chute 33 relative to magnetic part 34, attacker 53 will strain bending draught line 52 to the right, bending draught line 52 is in tensioned state, thus utilize bending draught line 52 to rotate with the junction point of itself and bearing pin 7 with sound clamping 22, a quiet clamping 22 tensile elasticity return unit 51, to realize jaw 2 forward fold; Magnetic part 34 is departed from when being made attacker 53 by external force, when discharging the active force to attacker 53 simultaneously, bending draught line 52 is in relaxed state, due to the ability of the self-recovery deformation of elastic reset part 51, makes quiet clamping 22 (jaw 2) and claw beam 1 be in straight configuration.
Clamp assemblies 6 comprises dynamic clamping part 61 and quiet clamping part 62, the centre of dynamic clamping part 61 is rotationally connected by bearing pin 7 the transmission arm of force 45 that folder closes transmitter shaft 43, the bottom of quiet clamping part 62 is fixedly connected with clamp handle 3, the opposite face of dynamic clamping part 61 and quiet clamping part 62 is respectively arranged with the Saw blade that falls being used as stop bit protruding from body, unidirectional motion can only be done after engagement between the teeth of the Saw blade of dynamic clamping part 61 and quiet clamping part 62, make folder close transmitter shaft 43 can only inwardly close with clamp handle 3, and can not opens outward, prevent the accident of suture needle from loosening or dislocation to maintain the gripping strength of jaw 2, be conducive to operative doctor to be more absorbed in and to use pin position.
As shown in Figure 6 and Figure 7, jaw 2 of the present invention, folder close assembly 4 and can also adopt following structure (other parts are identical with embodiment one) with bending assembly 5:
Jaw 2 comprises clamping seat 25 and two panels and moves clamping 21, two panels is moved clamping 21 and is rotatably installed on clamping seat 25 by bearing pin 7 with the gesture of intersection, to realize the opening and closing of jaw 2, the right-hand member end that every sheet moves clamping 21 is provided with clamping ring 23, acts on two clamping rings 23 respectively and two panels is moved between clamping 21 to be kept closed by external force; Be rotatably connected by bearing pin 7 between the right-hand member end of clamping seat 25 and the left end end of claw beam 1, the outer wall of clamping seat 25 is provided with bending ring 24, in bending ring 24, clamping seat 25 is bent to side (front side) relative to claw beam 1 by External Force Acting, namely realize jaw 2 and bend to side (front side).
Folder closes assembly 4 and comprises elastic reset part 41, two folders and close draught line 42 and folder closes transmitter shaft 43, and elastic reset part 41 is arranged on two panels and moves between clamping 21, utilizes elastic reset part 41 to force two panels to move clamping 21 and keep normally open under without the effect of external force.Wherein, elastic reset part 41 can adopt shell fragment or spring structure, when elastic reset part 41 adopts elastic piece structure, move in clamping 21 in two panels and an installing hole is set respectively, the length direction of two installing holes gesture in intersection (not parallel or not on same straight line), the two ends of shell fragment are inserted respectively and are connected to two panels and move in the installing hole of clamping 21, shell fragment is in case of bending always, two panels is moved clamping 21 and keep normally open under without the effect of external force can to realize utilizing shell fragment to ensure, when elastic reset part 41 adopts spring structure, the two ends of spring connect two panels respectively and move clamping 21, spring is in compressive state always, spring can be utilized to ensure, and two panels is moved clamping 21 and keep normally open under without the effect of external force, one end that two folders close draught line 42 connects the clamping ring 23 that two panels moves clamping 21 respectively, and the other end that folder closes draught line 42 is connected to folder through outer through wires hole 13 and interior through wires hole 37 successively and closes transmitter shaft 43, folder closes the transmission arm of force 45 that transmitter shaft 43 comprises transmission lever 44 and arc, hinged by bearing pin 7 between the right-hand member of transmission lever 44 and the transmission arm of force 45, the left end transmitting the arm of force 45 is rotatably installed in clamp handle 3 by bearing pin 7, slide bar 46 is provided with inside the left end of transmission lever 44, slide bar 46 is slidably installed in the elongated hole 35 of clamp handle 3, slide bar 46 can horizontally slip along elongated hole 35, and the left end of transmission lever 44 connects two folders and closes draught line 42.When firmly pressing down the right-hand member transmitting the arm of force 45 downwards, transmit the arm of force 45 with its left end junction point for axle rotates, thus drive transmission lever 44 to slide along the elongated hole 35 of clamp handle 3 to the right, transmission lever 44 will be strained two folders to the right simultaneously close draught line 42, two folders close draught line 42 and are in tensioned state, thus drive two panels to move clamping 21 to rotate with its junction point with bearing pin 7, two panels is moved clamping 21 and is oppressed elastic reset part 41 to centre, moves clamping 21 closes to realize two panels; When discharging external force, two folders close draught line 42 and are in relaxed state, due to the ability of the self-recovery deformation of elastic reset part 41, make two panels move clamping 21 and are in open configuration.
Bending assembly 5 comprises elastic reset part 51, bending draught line 52 and attacker 53, elastic reset part 51 is arranged between clamping seat 25 and claw beam 1, utilize elastic reset part 51 to make clamping seat 25 and claw beam 1 be in straight configuration under without the effect of external force, namely the length direction of clamping seat 25 is consistent with the length direction of claw beam 1.Wherein, elastic reset part 51 can adopt shell fragment or spring structure, when elastic reset part 51 adopts elastic piece structure, in the right-hand member end of clamping seat 25 and the left end end of claw beam 1, an installing hole is set respectively, two installing holes are just to setting, the two ends of shell fragment are inserted respectively and are connected in the installing hole of clamping seat 25 and claw beam 1, shell fragment is in exceptionally straight state always, clamping seat 25 and claw beam 1 are in straight configuration under without the effect of external force can to realize utilizing shell fragment to ensure, when elastic reset part 51 adopts spring structure, the two ends of spring connect clamping seat 25 and claw beam 1 respectively, spring is in original state (naturally stretching), one end of bending draught line 52 connects attacker 53, and the other end of bending draught line 52 is connected to the bending ring 24 of clamping seat 25 successively through interior through wires hole 37 and outer through wires hole 13, the inner side (upper surface) of attacker 53 is provided with magnetic absorption member 54, magnetic absorption member 54 is generally the Magnet or electric magnet with characterization of adsorption, the medial surface of magnetic absorption member 54 is formed with the Saw blade that falls engaged with the Saw blade of clamp handle 3 magnetic part 34, the length direction of the Saw blade of the medial surface of magnetic absorption member 54 is consistent with the length direction of chute 33, after the Saw blade of magnetic absorption member 54 engages with the teeth of the Saw blade of magnetic part 34, attacker 53 can only do to the right unidirectional slip along chute 33 relative to magnetic part 34, to realize the classification location of the position of attacker 53.When firmly pulling attacker 53 to the right, attacker 53 slides to the right along chute 33 relative to magnetic part 34, attacker 53 will strain bending draught line 52 to the right, bending draught line 52 is in tensioned state, thus utilize bending draught line 52 to drive clamping seat 25 to rotate with the junction point of itself and bearing pin 7, clamping seat 25 tensile elasticity return unit 51, to realize jaw 2 forward fold; Magnetic part 34 is departed from when being made attacker 53 by external force, when discharging the active force to attacker 53 simultaneously, bending draught line 52 is in relaxed state, due to the ability of the self-recovery deformation of elastic reset part 51, makes clamping seat 25 (jaw 2) and claw beam 1 be in straight configuration.
As shown in Figure 8, the present invention can also realize in the following way, adjustable endoscope-assistant surgery needle holder of the present invention comprises claw beam 1, jaw 2, clamp handle 3, folder closes assembly 4, bending assembly 5 and clamp assemblies 6, wherein, claw beam 1, jaw 2, clamp handle 3, bending assembly 5 and clamp assemblies 6 adopt such scheme to realize, folder closes assembly 4 and comprises dynamic clamping part and quiet clamping part, the centre of dynamic clamping part and quiet clamping part is hinged, the opposite face of dynamic clamping part and quiet clamping part is respectively arranged with the 3rd of the stop bit of being used as protruding from body and falls Saw blade, the 3rd of dynamic clamping part and quiet clamping part fall Saw blade teeth between can only do unidirectional motion after engagement, one end of quiet clamping part is fixedly connected with clamp handle 3, its other end is provided with holding ring, one end of quiet clamping part connects folder and closes draught line 42, its other end is provided with holding ring, the cooperation of Saw blade is fallen by the 3rd, dynamic clamping part can only inwardly be closed, and can not opens outward, prevent the accident of suture needle from loosening or dislocation to maintain the gripping strength of two jaws 2, be conducive to operative doctor to be more absorbed in and to use pin position.
The foregoing is only better embodiment of the present invention, the present invention is not limited to above-mentioned embodiment, the structural modification that local is small may be there is in implementation process, if do not depart from the spirit and scope of the present invention to various change of the present invention or modification, and belonging within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an adjustable endoscope-assistant surgery needle holder, it comprises claw beam, the left end of described claw beam is provided with jaw, the right-hand member of claw beam is provided with clamp handle, described clamp handle is provided with the folder forcing described jaw to switch between opening and closing state and closes assembly, it is characterized in that, described clamp handle is also provided with the bending assembly that described jaw can be forced to a lateral buckling.
2. adjustable endoscope-assistant surgery needle holder according to claim 1, it is characterized in that, described jaw comprises dynamic clamping head and quiet clamping head, be rotatably connected by bearing pin between the right-hand member end of described quiet clamping head and the left end end of claw beam, be rotatably connected by bearing pin between described dynamic clamping head and quiet clamping head, described bending assembly comprises elastic reset part and bending draught line, described elastic reset part is installed between quiet clamping head and claw beam, straight configuration is in force described quiet clamping head, one end of described bending draught line connects quiet clamping head, its other end extends to clamp handle position.
3. adjustable endoscope-assistant surgery needle holder according to claim 2, it is characterized in that, described bending assembly also comprises an attacker, described clamp handle is provided with the chute of left and right directions, described attacker is slidably installed in described chute, and the other end of described bending draught line is connected to attacker.
4. adjustable endoscope-assistant surgery needle holder according to claim 3, it is characterized in that, the Saw blade that falls being used as stop bit is formed in the chute of described clamp handle, the length direction of described Saw blade is consistent with the length direction of chute, the side that described attacker corresponds to chute is formed with the Saw blade that falls engaged with the Saw blade in chute, and the length direction of the Saw blade on attacker is consistent with the length direction of chute.
5. adjustable endoscope-assistant surgery needle holder according to claim 4, it is characterized in that, the chute internal fixtion of described clamp handle is provided with magnetic part, the lateral surface of described magnetic part is formed with described Saw blade, the side that described attacker corresponds to chute is provided with magnetic absorption member, and the medial surface of described magnetic absorption member is formed with described Saw blade.
6. adjustable endoscope-assistant surgery needle holder according to claim 1, it is characterized in that, the right-hand member end of described claw beam is arranged with connecting hole, the inwall of described connecting hole is convexly equipped with at least one circle snap ring along its circumferencial direction, the left end end of described clamp handle is provided with the socket part with the connecting hole adaptation of described claw beam, and the position that the outer wall of described socket part corresponds to each snap ring of claw beam is arranged with the Embedded Division being mated action respectively.
7. adjustable endoscope-assistant surgery needle holder according to claim 6, is characterized in that, the outer wall of described claw beam is convexly equipped with chuck along its circumferencial direction.
8. adjustable endoscope-assistant surgery needle holder according to claim 2, it is characterized in that, described folder closes that assembly comprises elastic reset part, folder closes draught line and folder closes transmitter shaft, described elastic reset part is arranged between dynamic clamping head and quiet clamping head, open configuration is in force described dynamic clamping head and quiet clamping head, one end that described folder closes draught line connects dynamic clamping head, the other end that described folder closes draught line is connected to folder and closes transmitter shaft, and described folder is closed transmitter shaft and rotated by bearing pin and be installed on clamp handle.
9. adjustable endoscope-assistant surgery needle holder according to claim 8, it is characterized in that, described folder closes the transmission arm of force that transmitter shaft comprises transmission lever and arc, by together with hinge between the right-hand member of described transmission lever with the transmission arm of force, the left end of the described transmission arm of force is rotatably installed in clamp handle by bearing pin, the left end of transmission lever is provided with slide bar, described clamp handle corresponds to the elongated hole that the position of transmitting the arm of force is provided with left and right directions, described slide bar is slidably installed in the described elongated hole of clamp handle, and the left end of transmission lever connects folder and closes draught line.
10. adjustable endoscope-assistant surgery needle holder according to claim 1, it is characterized in that, described jaw comprises clamping seat and two panels moves clamping head, be rotatably connected by bearing pin between the right-hand member end of described clamping seat and the left end end of claw beam, two dynamic clamping heads are rotatably installed on clamping seat by bearing pin, described bending assembly comprises elastic reset part and two bending draught lines, described elastic reset part is installed between clamping seat and claw beam, straight configuration is in force described clamping seat, the one end bending draught line described in each connects two panels respectively and moves clamping head, its other end extends to clamp handle position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570845.4A CN104287798B (en) | 2014-10-22 | 2014-10-22 | Adjustable endoscope-assistant surgery needle holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570845.4A CN104287798B (en) | 2014-10-22 | 2014-10-22 | Adjustable endoscope-assistant surgery needle holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104287798A true CN104287798A (en) | 2015-01-21 |
| CN104287798B CN104287798B (en) | 2017-07-14 |
Family
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| CN201410570845.4A Active CN104287798B (en) | 2014-10-22 | 2014-10-22 | Adjustable endoscope-assistant surgery needle holder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073838A (en) * | 2016-08-04 | 2016-11-09 | 中国人民解放军第三军医大学第三附属医院 | A kind of needle holder used under peritoneoscope |
| CN110948411A (en) * | 2019-12-09 | 2020-04-03 | 佳威科技(海安)有限公司 | Medical anti-withdrawal flat joint compressor |
| US20210085893A1 (en) * | 2019-09-25 | 2021-03-25 | Danielle T. Abramson | Device and methodology for preparing skin for self-injection |
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| CN106073838A (en) * | 2016-08-04 | 2016-11-09 | 中国人民解放军第三军医大学第三附属医院 | A kind of needle holder used under peritoneoscope |
| US20210085893A1 (en) * | 2019-09-25 | 2021-03-25 | Danielle T. Abramson | Device and methodology for preparing skin for self-injection |
| CN110948411A (en) * | 2019-12-09 | 2020-04-03 | 佳威科技(海安)有限公司 | Medical anti-withdrawal flat joint compressor |
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|---|---|
| CN104287798B (en) | 2017-07-14 |
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Address after: Seventh Guangdong City, Guangzhou, Guangzhou International Biological Island spiral No. three road, layer 701, unit 6, 510320 Applicant after: GUANGZHOU XINCHENG BIOTECHNOLOGY CO., LTD. Address before: 510000 Guangdong, Xingang, No. 135 West Guangzhou Road, science and technology building, block A, floor, building 12 Applicant before: GUANGZHOU XINCHENG BIOTECHNOLOGY CO., LTD. |
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