WO2006079260A1 - Tete de coupe rotative d’agrafeuse chirurgicale automatique - Google Patents
Tete de coupe rotative d’agrafeuse chirurgicale automatique Download PDFInfo
- Publication number
- WO2006079260A1 WO2006079260A1 PCT/CN2005/000942 CN2005000942W WO2006079260A1 WO 2006079260 A1 WO2006079260 A1 WO 2006079260A1 CN 2005000942 W CN2005000942 W CN 2005000942W WO 2006079260 A1 WO2006079260 A1 WO 2006079260A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sleeve
- nail
- cutter
- rotary
- pusher
- Prior art date
Links
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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/32053—Punch like cutting instruments, e.g. using a cylindrical or oval knife
Definitions
- the present invention relates to a cutter head for a surgical stapler, and more particularly to a rotary cutter head for a binding instrument for an ecclesiastical.
- the stitching of the wounds of the Xipu surgery is generally performed by manual needle stitching, gluing, zipper, binding device, etc.
- the stapler is used as a surgical suturing tool for surgical operations, and more and more are used for surgery.
- the cutter head of the surgical stapler is in the feed binding of the wound surface, and the ring cutter is a straight feed, not only the surgeon needs to exert considerable force to complete the cutting, but also easily causes the excess tissue of the wound surface to be cut off. Net, causing bodily harm to the operator.
- An object of the present invention is to provide a rotary cutter head of a surgical stapler capable of completely removing excess tissue of a wound surface and having a small force applied, in order to solve the above-mentioned drawbacks of the prior art.
- a rotary cutter head of a surgical stapler comprising a staple cartridge, a pusher blade, a cutter, a pusher post, a nail cartridge, and a rotating member, the staple cartridge, the pusher blade, the cutter, and the push
- the cutter feeding device composed of the stud, the nail cylinder and the rotating member is a rotary feed device.
- the object of the present invention can also be further achieved by the following technical solutions.
- the rotary cutter head of the aforementioned surgical stapler wherein the rotating member is a rotary sleeve and a spiral track device, the staple cartridge, the pusher blade, the cutter, the pusher post, the nail cylinder, and the rotary sleeve And spiral track
- the cutter feed device constituted by the device is a rotary feed device.
- the nail cylinder is a circular tubular body with a stepped cavity, and a thrust tube is arranged therein, and a stepped circular tubular body matching the shape of the inner wall of the nail cylinder is arranged between the thrust tube and the inner wall of the nail cylinder.
- Pushing the nail piece, the front end of the nail barrel and the push nail piece is a cavity matched with the annular cutter, and the annular cutter sleeve is disposed in the cavity body on the stop tube, respectively, the front end circumferential edge of the nail barrel and the push nail piece respectively Connected to the ring-shaped staple cartridge and the hornworm, the circular cutter is connected to the pusher piece and the thrust tube through the screw sleeve.
- the inner circumference of the sleeve is provided with a groove or a boss, the rotary sleeve is fixed with the annular cutter, the spiral track device is fixed on the outer circumference of the thrust tube in the nail cylinder, and the spiral guide rail is arranged on the wall of the outer wall, and the nail is pushed.
- the bottom of the front end cavity of the piece is provided with a hook and a bottom of the sleeve.
- the bottom of the sleeve is provided with a sliding device, and a bottom of the front end of the pusher piece is provided with a hook and a bottom of the sleeve; the sliding device comprises a plurality of balls, a ball sleeve and a washer.
- the rotary cutter head of the foregoing binding apparatus wherein the rotating member is a link assembly, and the cutter feed device comprises the staple cartridge, the pusher blade, the cutter, the nail cylinder and the link assembly.
- the nail cylinder is a circular tubular body with a stepped cavity, and a thrust tube is arranged therein, and a stepped circular tubular body matching the shape of the inner wall of the nail cylinder is arranged between the thrust tube and the inner wall of the nail cylinder.
- Pushing the nail piece, the front end of the nail barrel and the push nail piece is a cavity matched with the annular cutter, and the annular cutter sleeve is disposed in the cavity body on the stop tube, respectively, the front end circumferential edge of the nail barrel and the push nail piece respectively Connected and contacted with the annular staple cartridge, the annular cutter is connected to the pusher tab and the thrust tube through the linkage assembly.
- the connecting rod assembly comprises a fastening nut, a rotating sleeve, a hinge seat, a connecting rod, a hinge seat sleeve, a fastening screw, a stepped surface of the thrust tube in the annular cutter is fixed with a thread insert, and the thread insert a hinged seat cover is arranged on the stepped shoulder of the lower thrust tube, and a hinge seat I is arranged on the hinge seat sleeve, and the fastening nut is fastened on the hinge seat I by a threaded insert, and the lower part of the hinge seat I passes through the pin and One end of the connecting rod is movably connected, and the other end of the connecting rod is rotatably connected by a pin to a hinge seat II fixed in a rotating sleeve at the bottom of the front end of the pusher piece.
- the rotary cutter head of the foregoing binding apparatus wherein the rotating member is a beveled sleeve assembly, and the cutter comprising the staple cartridge, the pusher blade, the cutter, the nail cylinder, and the beveled sleeve assembly
- the feed device is a rotary feed device.
- the nail cylinder is a circular tubular body with a stepped cavity, and a thrust tube is arranged therein.
- a stepped circular tubular pusher piece is formed between the rising tube and the inner wall of the nail cylinder to match the shape of the inner wall of the nail cylinder, and the front end of the nail cylinder and the push nail piece is a cavity matching the annular cutter, and the circular cutter
- the sleeve is disposed in the cavity, and the front end edge of the nail barrel and the pusher piece are respectively connected and contacted with the annular staple cartridge, and the annular cutter is connected to the pusher piece and the stop tube through the beveled sleeve assembly.
- the beveled sleeve assembly comprises a screw sleeve and a connecting sleeve.
- the connecting sleeve is fixed on the tube in the barrel, and a bevel is arranged at the periphery.
- the sleeve is riveted and fixed with the ring cutter, and the bevel is matched with the connecting sleeve at the periphery.
- the bottom of the front end of the pusher piece is provided with a barb and a bottom of the sleeve.
- the rotary cutter head of the foregoing binding apparatus wherein the rotating member is a wire pulling sleeve assembly, and the staple cartridge, the pusher blade, the cutter, the nail cylinder, and the wire pull sleeve assembly are cut.
- the knife feed device is a rotary feed device.
- the nail cylinder is a circular tubular body with a stepped cavity, and a thrust tube is arranged therein, and a stepped circular tubular body matching the shape of the inner wall of the nail cylinder is arranged between the thrust tube and the inner wall of the nail cylinder.
- Pushing the nail piece, the front end of the nail barrel and the push nail piece is a cavity matched with the annular cutter, and the annular cutter sleeve is disposed in the cavity body on the stop tube, respectively, the front edge of the nail barrel and the push nail piece respectively Connected and contacted with the annular staple cartridge, the annular cutter is coupled to the pusher tab and the thrust tube by a wire pull sleeve assembly.
- the wire drawing sleeve assembly comprises a screw sleeve, a rope lock, a drawstring and a torsion spring.
- the sleeve is sleeved on the stop tube and fixed on the outer bottom of the ring cutter, and the upper part of the sleeve and the outer wall of the stop tube pass through the torsion spring Connected, the lower part of the rotary sleeve is provided with a drawstring, one end of the pull rope is fixed with the lower part of the rotary sleeve, the other end is fixed by the nail cylinder and the rope lock, and the bottom of the front end cavity of the push nail piece is hooked with the bottom of the rotary sleeve.
- the invention has the advantages of: 1. realizing the rotary cutting function; 2. realizing the active rotating mode; 3. effectively reducing the resistance of the cut tissue; 4. reducing the wound of the tissue stretching caused by the cutting; 5, ensuring safer and more reliable Cut off the tissue; 6. Reduce the binding force required for surgery.
- FIG. 1 is a schematic view showing a rotating structure of a rotating sleeve of the present invention.
- FIG. 2 is a schematic cross-sectional view of the present invention.
- Figure 3 is a schematic view of the structure of the invention.
- Figure 4 is a left side view of Figure 3.
- Fig. 5 is a structural schematic view showing the rotating member of the present invention as a screw sleeve.
- Figure 6 is a schematic view showing the structure of an additional screw device of the present invention.
- Figure 7 is a schematic view showing the structure of the fixed spiral sleeve in the structure of Figure 6.
- Figure 8 is a plan view of Figure 7.
- FIG. 9 is a schematic view showing the rotating structure of the pusher cylinder driving cutter of the present invention.
- Figure 10 is a schematic view showing the structure of the push pin in the structure of Figure 9.
- Figure 11 is a schematic view showing the structure of the push pin in the structure of Figure 9.
- Figure 12 is a schematic view showing the structure of the nail cylinder in the structure of Figure 9.
- Figure 13 is a schematic view showing the structure of the rotating member of the present invention when it is a connecting rod.
- Fig. 14 is a schematic view showing the structure of the rotating member of the present invention as a beveled sleeve.
- Figure 15 is a schematic view showing the structure of the beveled sleeve in the structure of Figure 14.
- Figure 16 is a schematic left side view of Figure 15.
- Figure 17 is a schematic view showing the structure of the beveled connecting sleeve in the structure of Figure 14.
- Fig. 18 is a schematic view showing the outer structure of the inclined member of the rotating member of the present invention.
- Figure 19 is a schematic view showing the rotating member of the present invention as a wire pulling structure.
- Fig. 20 is a structural schematic view showing a boss on a rotary member of the rotary member of the present invention.
- the present invention comprises a staple cartridge 1, a pusher blade 2, a cutter 3, a pusher post 4, a nail cartridge 5, and a rotary sleeve 7 which is arranged on the rotary sleeve 7.
- a groove or boss 11 provided in the nail barrel 5 a spiral track device matched with a groove or a boss on the sleeve, the nail pusher 2, the cutter 3, the pusher post 4, the nail barrel 5, and the rotary sleeve 7 To rotate the feed device.
- the nail barrel 5 is a circular tubular body with a stepped inner cavity, and a thrust tube 6 is arranged therein, and a stepped circular tubular body matching the shape of the inner wall of the nail cylinder is arranged between the thrust tube 6 and the inner wall of the nail cylinder.
- Pushing the nail piece 2, at the front end of the nail barrel 5 and the push nail piece 2 is a cavity matching the annular cutter, and the annular cutter 3 is disposed on the stop tube 6 in the cavity, on the stop tube 6
- the spiral track device is connected with the sleeve 7 , and the circumferential edge of the front end of the nail barrel 5 and the push nail piece 2 are respectively connected and contacted with the annular staple cartridge 1 , and the annular cutter 3 passes through the rotary sleeve 7 and the push nail piece 2 and stops rising.
- Tube 6 is connected.
- the spiral track device may be a spiral track 9 disposed directly on the stop tube 6, and the sleeve 7 is connected to the stop tube 6.
- the threaded rail device of the thrust tube may also be a fixed spiral sleeve 13 fixed to the outer circumference of the thrust tube 6, and a spiral guide rail 9 is disposed on the wall of the outer tube, and the upper surface of the thread insert 8 is arranged on the thrust tube 6. Limited position fastening nut 10.
- the sleeve 7 and the cutter 3 are driven to move forward, and at the same time, the guide groove of the sleeve 7 or the boss 11 cooperates with the spiral guide 9 of the track device. , forcing the rotary sleeve to produce a rotary motion, causing the cutter to rotate with the sleeve 7 .
- the cutter and the sleeve are pulled back into the barrel 5 by the action of the barbs 12 of the pusher piece.
- Embodiment 1 As shown in FIG. 2, the pusher piece 2 and the pusher post 4 are integrated, the sleeve 7 is disposed on the inner bottom surface of the ring cutter 3, and the bottom end of the pusher blade 2 is provided with a hook 12 at the bottom of the body. It is attached to the bottom of the ring cutter 3.
- the rotary sleeve 7 and the cutter 3 are driven to move forward, and at the same time, the spiral guide groove 11 of the rotary sleeve 7 cooperates with the spiral guide 9 of the thrust tube 6 of the nail cylinder. Acting, forcing the sleeve 7 to produce a rotational motion.
- the cutter 3 rotates with the sleeve 7 . After the binding is completed, the cutter 3 and the sleeve 7 are pulled back into the barrel by the action of the barbs 12 of the pusher piece.
- Embodiment 2 As shown in FIG. 5, the push pin piece 2 and the push nail column 4 are integrated, and the screw sleeve 7 is disposed on the bottom surface of the ring cutter 3, and the bottom end of the push pin piece 2 is provided with a hook 12 and a screw at the bottom of the front end cavity. The bottom of the sleeve 7 is attached.
- the pusher piece 2 When the pusher piece 2 is subjected to a forward displacement, the rotary sleeve 7 and the cutter 3 are driven to move forward, and The spiral guide groove 11 of the sleeve is matched with the spiral guide 9 of the thrust tube 6 of the cartridge, forcing the sleeve 7 to produce a rotational movement.
- the cutter 3 Since the sleeve 7 is riveted and fixed to the cutter 3, the cutter 3 rotates with the sleeve 7. After the binding is completed, the cutter 3 and the sleeve 7 are pulled back into the barrel by the action of the barbs 12 of the pusher piece.
- Embodiment 3 As shown in FIG. 6, the pusher piece 2 and the pusher column 4 are integrated, the sleeve 7 is disposed on the inner bottom surface of the ring cutter, and the fixed screw sleeve 13 is fixed on the outer circumference of the stop tube 6, and the outer wall is provided
- the spiral guide rail 9 is provided with a limit fastening nut 10 on the upper surface of the threaded insert 8 of the thrust riser 6.
- the push pin piece 2 has a hook 12 at the bottom of the front end cavity and is attached to the bottom of the screw sleeve 7.
- the rotary sleeve 7 and the cutter 3 are driven to move forward, and at the same time, the spiral guide groove 11 of the rotary sleeve cooperates with the spiral guide 9 of the fixed spiral sleeve to force the rotary sleeve 7 produces a rotary motion. Since the sleeve 7 and the cutter 3 are riveted and fixed, the cutter rotates together with the sleeve 7. After the binding is completed, the cutter 3 and the sleeve 7 are pulled back into the barrel by the action of the barbs 12 of the pusher piece.
- Embodiment 4 As shown in FIG. 9-12, the pusher piece 2 and the push pin column 4 are segmented, and the push pin piece 2 and the push pin column 4 are smoothly contacted.
- the pusher post 4 When the pusher post 4 is subjected to the forward firing displacement, since the spiral guide of the thrust tube of the nail cylinder 5 forces a rotational forward displacement of the pusher post, since the pusher post 4 is fixedly connected to the cutter 3, 'so The cutter 3 is also rotated forwardly.
- the pusher piece 2 since the pusher piece 2 is not connected to the pusher post 4, the pusher piece 2 is not affected by the rotation, and only a firing displacement is generated forward, so that the staple firing is achieved.
- the function of rotating and cutting the tool makes it safer and more convenient to cut the tissue.
- Embodiment 5 As shown in FIG. 13 , the rotating member of the present invention is a connecting rod assembly, and the cutter feeding device composed of the staple cartridge 1 , the push nail piece 2 , the cutter 3 , the nail barrel 5 and the connecting rod assembly is Rotate the feed device.
- the nail barrel 5 is a circular tubular body with a stepped inner cavity, and a thrust tube 6 is arranged therein, and a stepped circular tubular body matching the shape of the inner wall of the nail cylinder is arranged between the thrust tube 6 and the inner wall of the nail cylinder.
- the front end circumferential edge of the pusher piece 2 is connected and contacted with the annular staple cartridge 1, respectively.
- the annular cutter 3 is connected to the pusher piece 2 and the thrust tube 6 through a link assembly.
- the connecting assembly includes a fastening nut 14; a rotating sleeve 15; a hinge seat 116; a pin 17; a connecting rod 18; a hinge 3 ⁇ 4 sleeve 19; a hinge seat 1120; a fastening screw 21; a step of the thrust tube in the annular cutter 3.
- the outer surface is fixed with a threaded insert 22, and a hinged seat cover 19 is provided on the stepped shoulder of the lower thrust tube 6 of the threaded insert 22, and the hinge seat cover 19 is provided with a hinge seat 116, and the fastening nut 6 is inserted through the thread
- the member 14 is fastened on the upper side of the hinge base 116.
- the lower surface of the hinge base 116 is movably connected to one end of the connecting rod 18 through the pin 17, and the other end of the connecting rod 18 is fixed to the rotating sleeve 15 at the bottom of the front end of the pusher piece by the pin 17.
- the hinge base 1120 is rotatably coupled.
- Embodiment 6 As shown in FIG. 14-18, the present invention includes a staple cartridge 1, a pusher blade 2, a cutter 3, a nail cartridge 5, and a beveled sleeve assembly, the staple cartridge 1, and a push pin
- the cutter feed device composed of the sheet 2, the cutter 3, the nail cylinder 5, and the beveled sleeve assembly is a rotary feed device.
- the nail barrel 5 is a circular tubular body with a trapezoidal shape in the inner cavity, and a stop tube 6 is arranged therein, and the inner wall of the nail tube 5 and the inner wall of the nail barrel 5 are matched with the shape of the inner wall of the nail barrel 5.
- a stepped circular tubular body pushing nail piece 2 at the front end of the nail barrel 5 and the nail pushing piece 2 is a cavity matching the annular cutting knife, and the annular cutting blade 3 is disposed in the cavity in the thrust tube 5,
- the front end circumferential edge of the nail cylinder 4 and the push nail piece 2 are respectively connected and contacted with the annular staple cartridge 1, and the annular cutter 3 is connected to the pusher nail piece 2 and the thrust riser 6 through the beveled rotary sleeve assembly.
- the beveled sleeve assembly comprises a sleeve 24 and a sleeve 23, and the sleeve 23 is fixed on the tube in the barrel, and a bevel 27 is arranged at the periphery, and the sleeve 24 is riveted and fixed to the ring cutter 3, and the periphery is provided with
- the inclined surface 28 to which the connecting sleeve 23 is fitted is provided with a barb 12 at the bottom end of the front end of the pusher piece 2 and is attached to the bottom of the sleeve 24 .
- the beveled sleeve assembly can be either built-in or external.
- the beveled sleeve assembly when the beveled sleeve assembly is built in, the beveled sleeve assembly includes a coupling sleeve 23; a sleeve 24; a threaded insert 25; a fastening nut 26, and a threaded insert at the end of the thrust tube 6 25, in the screw (the insert 25 is fixedly connected with a fastening nut 26, a bevel 27 is arranged around the connecting sleeve 23, the sleeve 24 is riveted to the bottom of the annular cutter 3, and the periphery has a bevel 28 with the connecting sleeve 23, Before the pusher 2 The bottom of the end is provided with a barb 12 which penetrates into the bottom of the annular cutter 3 and is hooked to the bottom of the sleeve 24 for pulling back the sleeve and the cutter.
- the cutter 3 is driven to move forward; when the inclined surface 28 around the sleeve 24 contacts the inclined surface 27 of the connecting sleeve 23, the sleeve is forced 24 rotates along the slope. Since the sleeve 24 is caulked and fixed to the cutter 3, the cutter 3 rotates together with the sleeve 24. After the binding is completed, the cutter 3 and the sleeve 24 are pulled back into the barrel 5 by the action of the barbs 12 of the nail piece 2.
- the beveled sleeve assembly when the beveled sleeve assembly is externally disposed, the beveled sleeve assembly includes a coupling sleeve 23; a sleeve 24; a threaded insert 25; a fastening nut 26, and a threaded insert at the end of the stop tube 6
- a fastening nut 26 is fixedly connected to the threaded insert 25
- a bevel 27 is arranged around the connecting sleeve 23.
- the sleeve 24 is riveted to the outer bottom of the annular cutter 3, and the periphery has a matching surface 27 with the connecting sleeve 23.
- the bottom of the front end of the pusher piece 2 is provided with a barb 12 and the bottom of the sleeve 24 is hooked.
- the rotary sleeve 24 and the cutter 3 are driven to move forward; when the inclined surface 28 around the sleeve 7 is in contact with the inclined surface 27 of the connecting sleeve, The sleeve 24 is forced to rotate along the slope. Since the sleeve 24 is riveted and fixed to the cutter 3, the cutter 3 rotates with the sleeve 7. After the binding is completed, the cutter 3 and the sleeve 24 are pulled back into the barrel 5 by the action of the barbs '12 of the pusher piece 2.
- Embodiment 7 As shown in FIG. 19, when the present invention is in the wire drawing rotation mode, the rotary sleeve assembly includes a screw sleeve 29, a rope lock 30, a pull cord 31, and a torsion spring 32, and the sleeve 29 is set to stop rising.
- the tube 6 is fixedly arranged on the bottom of the annular cutter 3, and the upper part of the sleeve 29 is connected with the outer wall of the expansion tube 6 through a torsion spring, and the lower part of the sleeve 29 is provided with a pull cord 31, and one end of the pull cord 31 is fixed to the lower part of the sleeve 29
- the other end of the pusher barrel 2 is fixed with the rope lock 30, and the bottom end of the front end cavity of the push nail piece 2 is provided with a hook 12 and a bottom portion of the screw sleeve 29.
- the pusher piece 2 and the pusher post 4 are integrated, the shape cutter 3 is integrally formed as an insert and a sleeve 7, and the screw sleeve 13 is fixed as an insert and a stop tube 6'.
- the bottom of the sleeve is sequentially provided with spacers 34, 36 and balls 35, and a ball sleeve 33.
- the bottom end of the front end of the pusher piece 2 is provided with a hook 12 and a bottom portion of the sleeve 7.
- the rotary sleeve 7 and the cutter 3 are driven to move forward, and at the same time, the guide boss 11 of the rotary sleeve 7 cooperates with the concave spiral guide 9 of the fixed spiral sleeve.
- the sleeve 7 is forced to produce a rotational motion. Since the sleeve 7 and the cutter 3 are integrally formed, the cutter rotates with the sleeve 7. After the binding is completed, the cutter 3 and the sleeve 7 are pulled back into the barrel by the action of the barbs 12 of the pusher piece.
Description
外科用装订仪的旋转刀头 技术领域
本发明涉及一种外科手术用装订仪的刀头,特别为一种夕卜科用装订仪的旋 转刀头。
技术背景
夕卜科手术创面的缝合, 一般采用手工针线缝合、胶粘、 拉链、装订仪等手 段, 其中装订仪作为外科手术的创面缝合工具, 已越来越多的为外科手术所采 用, 现有技术的外科用装订仪的刀头在对创口面进给装订中, 其环型切刀是直 线进给, 不仅外科医生需要施加相当大的力量来完成切割, 而且容易造成创口 面的多余组织切除不净, 给接受手术者造成身体伤害。 为此, 国外大多在刀砧 上作了很多改进, 如环型可切断刀砧, 或在刀砧上加台级; 也有一部分在刀具 上做了改进, 如将环型刀刃设计成间隔锯齿状。但在实际的运用中都不能根本 解决施力过大和创口面的多余组织切除不净的问题。
发明内容 '
本发明的目的就是为了解决现有技术的上述缺陷而提供一种能彻底清除 创口面的多余组织而且施力较小的外科用装订仪的旋转刀头。
本发明的目的通过以下技术解决方案来实现。
一种外科用装订仪的旋转刀头, 包括有钉仓、 推钉片、 切刀、推钉柱、 钉 筒, 还包括有旋转构件, 所述的钉仓、推钉片、 切刀、 推钉柱、钉筒、 旋转构 件构成的切刀进给装置为旋转进给装置。
本发明的目的还可通过以下技术解决措施来进一步实现。
前述的一种外科用装订仪的旋转刀头,其中所述的旋转构件为旋套和螺旋 形轨道装置, 所述的钉仓、 推钉片、 切刀、 推钉柱、 钉筒、 旋套和螺旋形轨道
装置构成的切刀进给装置为旋转进给装置。所述的钉筒为一内腔为阶梯形的圆 管状体, 其内设有止涨管, 在止涨管与钉筒内壁间设有与钉筒内壁形状相匹配 的阶梯形的圆管状体推钉片,在钉筒与推钉片的前端为与环形切刀相匹配的腔 体, 环形切刀套在止涨管上设置在该腔体内, 钉筒与推钉片的前端圆周边缘分 别与环形钉仓连接和角虫接, 环形切刀通过旋套与推钉片和止涨管连接。所述的 旋套内周设有凹槽或凸台, 旋套与环形切刀固定, 螺旋形轨道装置固定在钉筒 内的止涨管外周, 夕卜壁上设有螺旋形导轨, 推钉片前端腔体内底部设有挂钩与 旋套的底部挂接。旋套底部设有滑动装置, 推钉片前端腔体内底部设有挂钩与 旋套的底部挂接; 所述滑动装置包括多个滚珠、 滚珠套和垫圈。
前述的夕卜科用装订仪的旋转刀头,其中所述的旋转构件为连杆组件, 所述 的钉仓、推钉片、切刀、钉筒、连杆组件构成的切刀进给装置为旋转进给装置。 所述的钉筒为一内腔为阶梯形的圆管状体, 其内设有止涨管, 在止涨管与钉筒 内壁间设有与钉筒内壁形状相匹配的阶梯形的圆管状体推钉片,在钉筒与推钉 片的前端为与环形切刀相匹配的腔体, 环形切刀套在止涨管上设置在该腔体 内, 钉筒与推钉片的前端圆周边缘分别与环形钉仓连接和触接, 环形切刀通过 连杆组件与推钉片和止涨管连接。连杆组件包括有紧固螺母,旋转套,铰链座, 连杆, 铰链座套, 紧固螺钉, 在环形切刀内止涨管的一段阶梯夕卜表面固定有螺 紋嵌件, 在螺纹嵌件的下部止涨管的阶梯台肩上设有铰链座套, 铰链座套上设 有铰链座 I, 紧固螺母通过螺纹嵌件紧固在铰链座 I的上面, 铰链座 I的下面 通过销与连杆的一端活动连接,连杆的另一端通过销与固定在推钉片前端底部 旋转套内的铰链座 II转动连接。
前述的夕卜科用装订仪的旋转刀头, 其中所述的旋转构件为斜面旋套组件, ί 所述的钉仓、推钉片、 切刀、 钉筒、斜面旋套组件构成的切刀进给装置为旋转 进给装置。所述的钉筒为一内腔为阶梯形的圆管状体, 其内设有止涨管, 在止
涨管与钉筒内壁间设有与钉筒内壁形状相匹配的阶梯形的圆管状体推钉片,在 钉筒与推钉片的前端为与环形切刀相匹配的腔体,环形切刀套在止涨管上设置 在该腔体内, 钉筒与推钉片的前端圆周边缘分别与环形钉仓连接和触接, 环形 切刀通过斜面旋套组件与推钉片和止涨管连接。所述的斜面旋套组件包括旋套 和连接套, 连接套固定在钉筒内止涨管上, 在周边设有斜面, 旋套与环形切刀 铆接固定, 周边有与连接套所配合的斜面, 在推钉片前端底部设有倒钩与旋套 底部挂接。
前述的夕卜科用装订仪的旋转刀头, 其中所述的旋转构件为线拉旋套组件, 所述的钉仓、 推钉片、 切刀、 钉筒、 线拉旋套组件构成的切刀进给装置为旋转 进给装置。所述的钉筒为一内腔为阶梯形的圆管状体, 其内设有止涨管, 在止 涨管与钉筒内壁间设有与钉筒内壁形状相匹配的阶梯形的圆管状体推钉片,在 钉筒与推钉片的前端为与环形切刀相匹配的腔体,环形切刀套在止涨管上设置 在该腔体内, 钉筒与推钉片的前端圆周边缘分别与环形钉仓连接和触接,环形 切刀通过线拉旋套组件与推钉片和止涨管连接。所述的线拉旋套组件包括有旋 套、 绳锁、 拉绳、 扭簧, 旋套套在止涨管上, 并固定在环形切刀外底部, 旋套 上部与止涨管外壁通过扭簧连接, 旋套下部套有拉绳, 拉绳的一端与旋套下部 固定, 另一端穿出钉筒与绳锁固定, 推钉片前端腔体内底部设有挂钩与旋套的 底部挂接。
本发明的优点在于: 1、 实现旋转切割功能; 2、 实现主动旋转方式; 3、 有效减小切断组织的阻力; 4、减少因切断造成的组织拉伸的伤口; 5、更安全 可靠地保证切断组织; 6、 减小手术所需的装订力。
本发明的目的、优点和特点,将通过下面优先实施例的非限制性说明进行 ^ 图示和解释, 这些实施例是参照附图仅作为例子给出的。
附图说明
图 1为本发明旋转构件为旋套内置结构示意图。
图 2为本发明剖面结构示意图。
图 3为发明旋套结构示意图。
图 4为图 3的左视图。
图 5为本发明旋转构件为旋套外置的结构示意图。
图 6为本发明附加螺旋装置的结构示意图。
图 7为图 6结构中固定螺旋套的结构示意图。
图 8为图 7的俯视图。
图 9为本发明推钉柱带动切刀旋转结构示意图。
图 10为图 9结构中推钉片结构示意图。
图 11为图 9结构中推钉柱结构示意图。
图 12为图 9结构中钉筒结构示意图。
图 13为本发明旋转构件为连杆时结构示意图。
图 14为本发明旋转构件为斜面旋套内置结构示意图。
图 15为图 14结构中斜面旋套结构示意图。
图 16为图 15的左视结构示意图。
图 17为图 14结构中斜面连接套结构示意图。
图 18为本发明旋转构件为斜面旋套外置结构示意图。
图 19为本发明旋转构件为钢丝拉动结构示意图。
图 20为本发明旋转构件旋套上有凸台时结构示意图。
具体实施方式
如图 1一图 12所示,本发明它包括有钉仓 1、推钉片 2、切刀 3、推钉柱 4、 钉筒 5, 它还包括有旋套 7, 在旋套 7上设有凹槽或凸台 11, 在钉筒 5内设有
与旋套上的凹槽或凸台相配合的螺旋形轨道装置, 所述的钉 推钉片 2、 切刀 3、推钉柱 4、钉筒 5、旋套 7构成的切刀进给装置为旋转进给装置。钉筒 5为一内腔为阶梯形的圆管状体, 其内设有止涨管 6, 在止涨管 6与钉筒内壁 间设有与钉筒内壁形状相匹配的阶梯形的圆管状体推钉片 2, 在钉筒 5与推钉 片 2的前端为与环形切刀相匹配的腔体,环形切刀 3套在止涨管 6上设置在该 腔体内,在止涨管 6上设有螺旋轨道装置与旋套 7连接,钉筒 5与推钉片 2的 前端圆周边缘分别与环形钉仓 1连接和触接,环形切刀 3通过旋套 7与推钉片 2和止涨管 6连接。 所述的螺旋轨道装置可为直接设在止涨管 6上的螺旋轨道 9, 旋套 7与止涨管 6连接。 所述的止涨管上螺纹轨道装置也可为固定螺旋套 13, 其固定在止涨管 6外周, 夕卜壁上设有螺旋导轨 9, 在止涨管 6上螺纹嵌件 8的上面设有限位紧固螺母 10。当推钉片 2受到一个向前的位移时, 将带动旋 套 7和切刀 3向前运动, 同时, 旋套 7的导轨凹槽或到凸台 11与轨道装置的 螺旋导轨 9相配合作用, 迫使旋套产生旋转运动, 使切刀随旋套 7—起旋转。 装订完毕后, 切刀和旋套在推钉片的倒钩 12的作用下拉回到钉筒 5内。
实施例一: 如图 ί—图 2所示, 推钉片 2与推钉柱 4为一体, 旋套 7设在 环形切刀 3的内底面, 推钉片 2前端腔体内底部设有挂钩 12与环形切刀 3的 底部挂接。 当推钉片 2受到一个向前的位移时, 将带动旋套 7和切刀 3向前运 动, 同时, 旋套 7的螺旋导轨槽 11与钉筒的止涨管 6的螺旋导轨 9相配合作 用, 迫使旋套 7产生旋转运动。 因旋套 7与切刀 3铆接固定, 所以切刀 3随旋 套 7—起旋转。 装订完毕后, 切刀 3和旋套 7在推钉片的倒钩 12的作用下拉 回到钉筒内。
实施例二:如图 5所示,推钉片 2与推钉柱 4为一体,旋套 7设在环形切 刀 3的夕卜底面, 推钉片 2前端腔体内底部设有挂钩 12与旋套 7的底部挂接。 当推钉片 2受到一个向前的位移时, 将带动旋套 7和切刀 3向前运动, 同时,
旋套的螺旋导轨槽 11与钉筒的止涨管 6的螺旋导轨 9相配 作用,迫使旋套 7 产生旋转运动。 因旋套 7与切刀 3铆接固定, 所以切刀 3随旋套 7—起旋转。 装订完毕后, 切刀 3和旋套 7在推钉片的倒钩 12的作用下拉回到钉筒内。
实施例三:如图 6所示,推钉片 2与推钉柱 4为一体,旋套 7设在环形切 刀的内底面, 固定螺旋套 13固定在止涨管 6外周,外壁上设有螺旋导轨 9,在 止涨管 6上螺纹嵌件 8的上面设有限位紧固螺母 10。推钉片 2前端腔体内底部 设有挂钩 12与旋套 7的底部挂接。 当推钉片 2受到一个向前的位移时, 将带 动旋套 7和切刀 3向前运动, 同时, 旋套的螺旋导轨槽 11与固定螺旋套的螺 旋导轨 9相配合作用,迫使旋套 7产生旋转运动。因旋套 7与切刀 3铆接固定, 所以切刀随旋套 7一起旋转。装订完毕后,切刀 3和旋套 7在推钉片的倒钩 12 的作用下拉回到钉筒内。
实施例四: 如图 9— 12所示,所述的推钉片 2与推钉柱 4为分段设置,推 钉片 2与推钉柱 4间为光滑触接。当推钉柱 4受到向前的击发位移时, 由于钉 筒 5的止涨管的螺旋导轨迫使推钉柱 发生一个旋转的向前位移, 由于推钉柱 4与切刀 3固定连接,'所以切刀 3也同样旋转向前位移, 同时, 由于推钉片 2 与推钉柱 4没有连接, 所以推钉片 2并不受旋转影响, 只会向前产生一个击发 位移,这样就达到装订击发时刀具旋转切割的功能, 使切断组织更为安全与方 便。
实施例五: 如图 13所示,本发明旋转构件为连杆组件, 所述的钉仓 1、推 钉片 2、切刀 3、钉筒 5、连杆组件构成的切刀进给装置为旋转进给装置。钉筒 5为一内腔为阶梯形的圆管状体, 其内设有止涨管 6, 在止涨管 6与钉筒内壁 间设有与钉筒内壁形状相匹配的阶梯形的圆管状体推钉片 2, 在钉筒 5与推钉 ( 片 2的前端为与环形切刀 3相匹配的腔体,环形切刀 3套在止涨管 6上设置在 该腔体内, 钉筒 5与推钉片 2的前端圆周边缘分别与环形钉仓 1连接和触接,
环形切刀 3通过连杆组件与推钉片 2和止涨管 6连接。连 组件包括有紧固螺 母 14; 旋转套 15; 铰链座 116; 销 17; 连杆 18; 铰链 ¾套 19; 铰链座 1120; 紧固螺钉 21; 在环形切刀 3内止涨管的一段阶梯外表面固定有螺紋嵌件 22, 在螺纹嵌件 22的下部止涨管 6的阶梯台肩上设有铰链座套 19, 铰链座套 19 上设有铰链座 116,紧固螺母 6通过螺纹嵌件 14紧固在铰链座 116的上面,铰 链座 116的下面通过销 17与连杆 18的一端活动连接, 连杆 18的另一端通过 销 17与固定在推钉片前端底部旋转套 15内的铰链座 1120转动连接。 当推钉 片 2受到一个向前的位移时, 将带动切刀向前运动, 这时, 由于连杆 18前头 固定, 在推钉片 2和连杆 18的作用下,切刀 3就会产生一个旋转向前的运动。
实施例六: 如图 14—18所示, 本发明包括有钉仓 1、 推钉片 2、 切刀 3、 钉筒 5, 还包括有斜面旋套组件, 所述的钉仓 1、 推钉片 2、 切刀 3、 钉筒 5、 斜面旋套组件构成的切刀进给装置为旋转进给装置。所述的钉筒 5为一内腔为 P介梯形的圆管状体, 其内设有止涨管 6, 在止涨管 6与钉筒 5内壁间设有与钉 筒 5内壁形状相匹配的阶梯形的圆管状体推钉片 2, 在钉筒 5与推钉片 2的前 端为与环形切刀相匹配的腔体, 环形切刀 3套在止涨管 5上设置在该腔体内, 钉筒 4与推钉片 2的前端圆周边缘分别与环形钉仓 1连接和触接, 环形切刀 3 通过斜面旋套组件与推钉片 2和止涨管 6连接。所述的斜面旋套组件包括旋套 24和连接套 23,连接套 23固定在钉筒内止涨管上,在周边设有斜面 27,旋套 24与环形切刀 3铆接固定, 周边有与连接套 23所配合的斜面 28, 在推钉片 2 前端底部设有倒钩 12与旋套 24底部挂接。 斜面旋套组件可为内置也可外置。
如图 14所示, 斜面旋套组件内置时, 斜面旋套组件包括有连接套 23; 旋 套 24; 螺纹嵌件 25; 紧固螺母 26, 在止涨管 6的端部设有螺纹嵌件 25, 在螺 ( 纹嵌件 25外面固定连接有紧固螺母 26, 在连接套 23周边设有斜面 27, 旋套 24铆接在环形切刀 3内底部, 周边有与连接套 23配合斜面 28, 在推钉片 2前
端底部设有倒钩 12穿入环形切刀 3内底部与旋套 24底部挂接/用于拉回旋套 和切刀。 本发明工作时, 当推钉片 2受到一个向前的位移时, 将带动切刀 3 向前运动; 当旋套 24周边的斜面 28与连接套 23的斜面 27相接触时, 会迫使 旋套 24沿着斜面发生旋转。 因旋套 24与切刀 3铆接固定,所以切刀 3随旋套 24一起旋转。装订完毕后,切刀 3和旋套 24在推钉片 2的倒钩 12的作用下拉 回到钉筒 5内。
如图 18所示, 斜面旋套组件外置时, 斜面旋套组件包括有连接套 23; 旋 套 24; 螺纹嵌件 25; 紧固螺母 26, 在止涨管 6的端部设有螺纹嵌件 25, 在螺 紋嵌件 25夕卜面固定连接有紧固螺母 26, 在连接套 23周边设有斜面 27, 旋套 24铆接在环形切刀 3外底部, 周边有与连接套 23配合斜面 27, 在推钉片 2前 端底部设有倒钩 12与旋套 24底部挂接。本发明工作时, 当推钉片 2受到一个 向前的位移时,将带动旋套 24和切刀 3向前运动; 当旋套 7周边的斜面 28与 连接套的斜面 27相接触时, 会迫使旋套 24沿着斜面发生旋转。 因旋套 24与 切刀 3铆接固定, 所以切刀 3随旋套 7—起旋转。装订完毕后, 切刀 3和旋套 24在推钉片 2的倒钩 '12的作用下拉回到钉筒 5内。
实施例七: 如图 19所示, 本发明为线拉旋转方式时, 所述的旋套组件包 括有旋套 29、 绳锁 30、 拉绳 31、 扭簧 32, 旋套 29套在止涨管 6上固定设在 环形切刀 3夕卜底部, 旋套 29上部与止涨管 6外壁通过扭簧连接, 旋套 29下部 套有拉绳 31, 拉绳 31的一端与旋套 29下部固定, 另一端穿出钉筒 5与绳锁 30固定,推钉片 2前端腔体内底部设有挂钩 12与旋套 29的底部挂接。当推钉 片 2受到一个向前的位移时,将带动切刀 3向前运动,同时, 由于绳一端固定, 且环绕在旋套 29外周, 带动旋套 29和切刀 3旋转。装订完毕后, 切刀 3和旋 ( 套 29在推钉片 2的倒钩 12的作用下拉回到钉筒 5内, 同时, 在扭簧 32的作 用下回转, 使绳恢复到初始状态。
实施例八: 如图 20所示, 推钉片 2与推钉柱 4为一体, 形切刀 3作为 嵌件与旋套 7—体成形, 固定螺旋套 13作为嵌件与止涨管 6'—体成形, 旋套 底部依次安装有垫片 34、 36与滚珠 35、滚珠套 33, 推钉片 2前端腔体内底部 设有挂钩 12与旋套 7的底部挂接。 当推钉片 2受到一个向前的位移时, 将带 动旋套 7和切刀 3向前运动, 同时, 旋套 7的导轨凸台 11与固定螺旋套的凹 陷的螺旋导轨 9相配合作用, 迫使旋套 7产生旋转运动。 因旋套 7与切刀 3— 体成形, 所以切刀随旋套 7—起旋转。装订完毕后, 切刀 3和旋套 7在推钉片 的倒钩 12的作用下拉回到钉筒内。
除上述实施例外, 本发明还可以有其他实施方式。凡采用等同替换或等效 变换形成的技术方案, 均落在本发明要求的保护范围内。
Claims
1. 一种外科用装订仪的旋转刀头, 它包括有钉仓、 推钉片、 切刀、 推钉 柱、 钉筒, 其特征在于: 它还包括有旋转构件, 所述的钉仓、 推钉片、 切刀、 推钉柱、 钉筒、 旋转构件构成的切刀进给装置为旋转进给装置。
2. 根据权利要求 1所述的一种外科用装订仪的旋转刀头, 其特征在于: 所述的旋转构件为旋套和螺旋形轨道装置, 在旋套上设有凹槽或凸台,在钉筒 内止涨管上设有与旋套上的螺旋槽相配合的螺旋形轨道装置, 所述的钉仓、推 钉片、切刀、 推钉柱、 钉筒、旋套和螺旋形轨道装置构成的切刀进给装置为旋 转进给装置, 钉筒为一内腔为阶梯形的圆管状体, 其内设有止涨管, 在止涨管 与钉筒内壁间设有与钉筒内壁形状相匹配的阶梯形的圆管状体推钉片,在钉筒 与推钉片的前端为与环形切刀相匹配的腔体,环形切刀套在止涨管上设置在该 腔体内, 在止涨管上设有螺旋轨道装置与旋套凹槽或凸台连接, 钉筒与推钉片 的前端圆周边缘分别与环形钉仓连接和触接,环形切刀通过旋套与推钉片和止 涨管连接。 '
3. 根据权利要求 1或 2所述的夕卜科用装订仪的旋转刀头, 其特征在于: 所述的旋套与环形切刀固定连接, 旋套底部设有滑动装置, 推钉片前端腔体内 底部设有挂钩与旋套的底部挂接。
4. 根据权利要求 3所述的外科用装订仪的旋转刀头, 其特征在于: 所述 的滑动装置包括多个滚珠、 滚珠套和垫圈。
5. 根据权利要求 1或 2所述的外科用装订仪的旋转刀头, 其特征在于: 所述的旋套设在环形切刀的内底面,推钉片前端腔体内底部设有挂钩与环形切 ( 刀的底部挂接。
6. 根据权利要求 1或 2所述的外科用装订仪的旋转刀头, 其特征在于:
所述的旋套设在环形切刀的外底面,推钉片前端腔体内底部设有挂钩与旋套的 底部挂接。
7. 根据权利要求 1或 2所述的外科用装订仪的旋转刀头, 其特征在于: 所述的螺旋形轨道装置为直接设在止涨管上的螺旋轨道,旋套与止涨管螺旋连 接。
8. 根据权利要求 1或 2所述的外科用装订仪的旋转刀头, 其特征在于: 所述的螺旋形轨道装置为固定螺旋套, 其固定在止涨管外周, 夕卜壁上设有螺旋 轨道, 在止涨管上螺纹嵌件的上面设有限位紧固螺母。
9. 根据权利要求 1或 2所述的外科用装订仪的旋转刀头, 其特征在于: 所述的推钉片与推钉柱为分段设置, 推钉片与推钉柱间为光滑触接。
10. 根据权利要求 1所述的外科用装订仪的旋转刀头, 其特征在于: 所述 的旋转构件为连杆组件, 所述的钉仓、 推钉片、 切刀、 钉筒、连杆组件构成的 切刀进给装置为旋转进给装置; 钉筒为一内腔为阶梯形的圆管状体,其内设有 止涨管,在止涨管与钉筒内壁间设有与钉筒内壁形状相匹配的阶梯形的圆管状 体推钉片, 在钉筒与推钉片的前端为与环形切刀相匹配的腔体, 环形切刀套在 止涨管上设置在该腔体内,钉筒与推钉片的前端圆周边缘分别与环形钉仓连接 和触接, 环形切刀通过连杆组件与推钉片和止涨管连接。
11. 根据权利要求 1或 10所述的外科用装订仪的旋转刀头,其特征在于: 所述的连杆组件包括有紧固螺母; 旋套; 铰链座 I; 销; 连杆; 铰链座套; 铰 链座 Π; 紧固螺钉; 在环形切刀内止涨管的一段阶梯外表面固定有螺纹嵌件, 在螺纹嵌件的下部止涨管的阶梯台肩上设有铰链座套,铰链座套上设有铰链座
I, 紧固螺母通过螺紋嵌件紧固套在铰链座 I的上面, 铰链座 I的下面通过销 5 与连杆的一端活动连接,连杆的另一端通过销与固定在推钉片前端底部旋转套 内的铰链座 II转动连接。
12. 根据权利要求 1所述的外科用装订仪的旋转刀头, 其特征在于: 所述 的旋转构件为斜面旋套组件, 所述的钉仓、 推钉片、 切刀、钉筒、 斜面旋套组 件构成的切刀进给装置为旋转进给装置,所述的钉筒为一内腔为阶梯形的圆管 状体, 其内设有止涨管, 在止涨管与钉筒内壁间设有与钉筒内壁形状相匹配的 阶梯形的圆管状体推钉片, 在钉筒与推钉片的前端为与环形切刀相匹配的腔 体, 环形切刀套在止涨管上设置在该腔体内, 钉筒与推钉片的前端圆周边缘分 别与环形钉仓连接和触接, 环形切刀通过斜面旋套组件与推钉片和止涨管连 接。
13. 根据权利要求 1或 12所述的外科用装订仪的旋转刀头, 其特征在于: 斜面旋套组件包括有连接套; 旋套; 螺纹嵌件; 紧固螺母, 在止涨管的端部设 有螺紋嵌件,在螺紋嵌件外面固定连接有连接套和紧固螺母,在连接套周边设 有斜面, 旋套铆接在环形切刀内底部, 周边有与连接套配合斜面, 在推钉片前 端底部设有倒钩穿入环形切刀内底部与旋套底部挂接。
14. 根据权利要求 1或 12所述的外科用装订仪的旋转刀头,其特征在于: 斜面旋套组件包括有连接套; 旋套; 螺紋嵌件; 紧固螺母, 在止涨管的端部设 有螺紋嵌件,在螺紋嵌件外面固定连接有连接套和紧固螺母,在连接套周边设 有斜面, 旋套铆接在环形切刀外底部, 周边有与连接套配合斜面, 在推钉片前 端底部设有倒钩与旋套底部挂接。
15. 根据权利要求 1所述的外科用装订仪的旋转刀头, 其特征在于: 所述 的旋转构件为线拉旋套组件, 所述的钉仓、 推钉片、 切刀、钉筒、 旋套组件构 成的切刀进给装置为旋转进给装置;钉筒为一内腔为阶梯形的圆管状体, 其内 设有止涨管,在止涨管与钉筒内壁间设有与钉筒内壁形状相匹配的阶梯形的圆 ( 管状体推钉片, 在钉筒与推钉片的前端为与环形切刀相匹配的腔体, 环形切刀 套在止涨管上设置在该腔体内,钉筒与推钉片的前端圆周边缘分别与环形钉仓
连接和触接, 环形切刀通过旋套组件与推钉片和止涨管连接。
16. 根据权利要求 1或 15所述的夕卜科用装订仪的旋转刀头, 其特征在于: 所述的线拉旋套组件包括有旋套、绳锁、 拉绳、 扭黉 ' 套套在止涨管上固定 设在环形切刀夕卜底部, 旋套上部与止涨管外壁通过扭簧连接, 旋套下部套有拉 绳, 拉绳的一端与旋套下部固定, 另一端穿出推钉筒与绳锁固定, 推钉片前端 腔体内底部设有挂钩与旋套的底部挂接。
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JP2007551532A JP4847475B2 (ja) | 2005-01-26 | 2005-06-29 | 外科手術用ステープラーの回転刃付ステープリングヘッド |
EP05757195A EP1847225B1 (en) | 2005-01-26 | 2005-06-29 | Surgical stapler having a stapling head with a rotatable cutter |
US11/814,664 US7770776B2 (en) | 2005-01-26 | 2005-06-29 | Rotatable stapling head of a surgical stapler |
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CNU2005200686031U CN2787151Y (zh) | 2005-01-26 | 2005-01-26 | 外科用装订仪的旋转刀头 |
CN200520068602.7 | 2005-01-26 | ||
CNU2005200686046U CN2798854Y (zh) | 2005-01-26 | 2005-01-26 | 外科用装订仪的旋转刀头 |
CN200520068601.2 | 2005-01-26 | ||
CN 200520068602 CN2772445Y (zh) | 2005-01-26 | 2005-01-26 | 外科用装订仪的旋转刀头 |
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Also Published As
Publication number | Publication date |
---|---|
EP1847225B1 (en) | 2011-12-21 |
JP4847475B2 (ja) | 2011-12-28 |
EP1847225A4 (en) | 2010-02-03 |
EP1847225A1 (en) | 2007-10-24 |
JP2008528068A (ja) | 2008-07-31 |
US20090001127A1 (en) | 2009-01-01 |
US7770776B2 (en) | 2010-08-10 |
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