CN105997177A - Anastomat and medical use method thereof - Google Patents
Anastomat and medical use method thereof Download PDFInfo
- Publication number
- CN105997177A CN105997177A CN201610097662.4A CN201610097662A CN105997177A CN 105997177 A CN105997177 A CN 105997177A CN 201610097662 A CN201610097662 A CN 201610097662A CN 105997177 A CN105997177 A CN 105997177A
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- matrix
- nail
- anastomat
- staple
- contraband
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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
- A61B17/1155—Circular staplers comprising a plurality of staples
Abstract
The invention provides an anastomat and a medical use method thereof. The anastomat comprises a nail sending mechanism and a bearing mechanism. The nail sending mechanism comprises a nail sending cabin base body, a rotation ring, a nail pushing ring, and nails in a shape of a Chinese character fang. When the rotation ring rotates, the nail pushing ring is driven to move in a vertical direction. The nail pushing ring pushes the nails in the shape of a Chinese character fang out. In the process, the nails in the shape of a Chinese character fang pass through a solid organ skirt position and a hollow organ wall in sequence, and are bended in a B shape on a surface groove position of a load-bearing guiding disk. The scheme can realize butt joint and suture of a solid organ and a hollow organ.
Description
Technical field
The present invention relates to technical field of clinical medicine, particularly to a kind of anastomat and medical procedures thereof.
Background technology
Peri-ampullar carcinoma refers to derive from the malignant tumor in Vater ampulla region, including: carcinoma of head of pancreas, carcinoma of ampulla, duodenal carcinoma and common bile duct far-end cancer.Operation is the Main Means for the treatment of peri-ampullar carcinoma.Pancreaticoduodenectomy (pancreaticoduodenectomy PD) is the standard excision for the treatment of peri-ampullar carcinoma.The most popular is the improvement operation of standard Whipple art, excision mode is: cut off duodenum at pyloric ring 3-4cm, at Treize ligament 10cm, cut off jejunum, cut off bile duct at common hepatic duct, cut off pancreas on portal vein, superior mesenteric vein upper left side.Gastral reconstruction remains a need for making Cholangio-jejunostomy, Pancreatico-intestinal anastomosis stomach function regulating intestinal anastomosis, and the doctor also having coincide with pancreas stomach and replaces Pancreatico-intestinal anastomosis.
Although operation skill and perioperative management level improve constantly, the mortality rate of PD is still up to 30%, is most commonly that pancreas leaks (pancreatic in post-operative complication
Fistula PF) caused by pancreas intestinal anastomotic stoma poor healing, the overall incidence having recent research display pancreas leakage is 30.6%, and more serious B level C level pancreas leakage reaches 17%.Pancreas leakage conductance causes intra-abdominal infection, abdominal cavity hemorrhage, multiple organ dysfunction syndrome, is one of dead major reason of patients undergoing.
The technology of doctor is required higher by manual suture Pancreatico-intestinal anastomosis mouth, and operating field is fuzzy, tissue adhesion, hemorrhage, Digestive system oozes out, operating time is long all can affect suture quality.But traditional circular stapler is only applicable to cavity-hollow organ, it is impossible to realize the docking between substantial viscera and hollow organ such as pancreas-intestinal (or pancreas-stomach).Pancreas is loose substantial viscera, and suture comes off, and the situation of cutting tissue is the most relatively conventional, and these are all the potential causes that anastomotic fistula occurs.
Need a kind of novel Pancreatico-intestinal anastomosis device clinically, the docking between substantial viscera and hollow organ can be realized, sew up closely, do not affect anastomotic stoma blood supply；Sewing up and highly can regulate, staple quality is pliable and tough, is susceptible to Digestive system corrosion, and good with the tissue compatibility.
Summary of the invention
The problem that the present invention solves is to provide a kind of technology that can realize and dock between substantial viscera and hollow organ, sew up；For solving described problem, the present invention provides a kind of anastomat and medical procedures thereof.
The anastomat that the present invention provides includes continuous nail feeding machanism and load carrier；Described continuous nail feeding machanism includes: send nail cabin matrix, swivel becket, ejector pin ring and Contraband staple；Driving ejector pin ring lengthwise movement when described swivel becket rotates, described Contraband staple released by ejector pin ring, and is bent into " B " shape at load positioning disk surface groove after sequentially passing through substantial viscera train of dress position and hollow organ wall..
Further, described swivel becket external circumferential surface has the driving cog of annular distribution, and the driving cog on described external circumferential surface engages with the gear on handle by after secondary gear transmission, and handle can drive swivel becket to rotate along the rotation of its central shaft.
Further, the form that described swivel becket lacks with helical teeth-helical teeth with ejector pin ring engages；Described Contraband staple is installed on the ejector pin ring end face away from swivel becket.
Further, described in send nail cabin matrix to include double-layer coaxial hollow cylinder, described swivel becket is fixed between double-layer coaxial hollow cylinder two-layer cylinder face by step surface, and described ejector pin ring is fixed between two-layer cylinder face by spring；Substantial viscera is placed in hollow cylinder；Described double-layer coaxial hollow cylinder lower surface is the anchor ring having prolate shape through hole, and the size of described through hole is mated with Contraband staple size；Gland is stamped in described double-layer coaxial hollow cylinder upper surface.
Further, described ejector pin ring has pin, described in send to have on nail cabin matrix and be parallel to axial longitudinal sliding-rail groove, one end of described pin is positioned at described longitudinal sliding-rail groove.
Further, also include: one-stage gear, one-stage gear axle, afterburning handle, secondary gear, secondary gear wheel shaft, gripping handle；Described gripping handle is installed on and send outside the matrix of nail cabin, described secondary gear is installed on gripping handle by secondary gear wheel shaft and by sending the through hole of nail cabin matrix to engage with swivel becket, and described one-stage gear is by engaging with secondary gear after being installed on the one-stage gear axle in its heart portion and combining with reinforcing handle and be installed on gripping handle.
Further, described load carrier includes load power matrix, load positioning disk, drive screw, adjusting rod, drain pan；Described load power matrix has slide block with sending the surface that matrix is connected, nail cabin, and slide rail chamber, described slide rail chamber have the slide rail parallel with sending nail cabin base end to send nail cabin matrix to include, described slide block matches with slide rail, and has the degree of freedom moved along slide rail.
Further, described load positioning disk is installed on described load power matrix, and has the degree of freedom along load positioning disk axially-movable；Having the groove along annulus arrangement on the surface that described load positioning disk is relative with sending nail cabin matrix, described groove matches with the prolate shape through hole of double-layer coaxial hollow cylinder lower surface；The bottom surface of described groove includes two cambered surfaces.
Further, described swivel becket side has cannelure circumferentially, has rolling body, described rolling body are stuck in described cannelure and send between the base inner surface of nail cabin in described cannelure.
Further, the surface that described ejector pin ring is connected with Contraband staple has prolate shape boss, and described prolate shape boss matches with prolate shape through hole, and described prolate shape boss top has the groove matched with Contraband staple crossbeam portion, described Contraband staple crossbeam portion to be installed on described groove.
The present invention also provides for the medical procedures of described anastomat, including:
Step one, substantial viscera are placed in the cavity sending nail cabin matrix, and load positioning disk is placed in hollow organ；
Step 2, by substantial viscera and hollow organ relative localization, substantial viscera stretching is formed is sending the train of dress position between nail matrix lower surface, cabin and hollow organ；
Step 3, the slide block carried on power matrix is inserted the slide rail intracavity sending nail cabin matrix, and tightening screw rod tightened thus by load power matrix with send the matrix fastening of nail cabin, then rotate adjusting rod thus regulate load positioning disk and send the vertical dimension between the matrix of nail cabin, until fitting with organs and tissues between the two；
Step 4, rotating afterburning handle to gripping handle direction, ejector pin hoop load positioning disk direction promotes Contraband staple；
Step 5, Contraband staple bend at load positioning disk surface groove, complete to coincide.
The invention have the advantages that the technical scheme that the present invention provides includes continuous nail feeding machanism and load carrier；Described continuous nail feeding machanism includes: send nail cabin matrix, swivel becket, ejector pin ring and Contraband staple；Driving ejector pin ring lengthwise movement when described swivel becket rotates, described Contraband staple is pushed into load carrier surface by ejector pin ring；Substantial viscera is placed in swivel becket and the center of ejector pin ring, and load carrier is placed in hollow organ；After substantial viscera and hollow organ laminating, Contraband staple moves downward through the train of dress position of substantial viscera and hollow organ wall to load carrier surface, and stress bending realizes coincideing of substantial viscera and hollow organ.
nullSpecifically: this anastomat inputs using the rotation of afterburning handle as power，When reinforcing handle is rotated by operator to gripping handle direction，Power is driven to send the swivel becket of nail cabin base cavity by the gear being positioned at afterburning rotatable handle cental axial position in gear-driven mode，After swivel becket coordinates grease with the rolling body sent between the matrix of nail cabin, the effect reducing resistance is arrived in the rotation for swivel becket，Swivel becket engages each other with being co-located to send the ejector pin ring end face followed closely in the base cavity of cabin to contact and lack the form of (or helical teeth lacks-helical teeth) with helical teeth-helical teeth，The power that swivel becket rotates lacks (or helical teeth lacks-helical teeth) contact inclined-plane by helical teeth-helical teeth and power passes to ejector pin ring，The rotation sending the projection in the matrix sliding-rail groove of nail cabin to limit ejector pin ring it is positioned on ejector pin ring，Thus ejector pin ring only one of which longitudinal degress of feedom in giving nail cabin matrix，The power reaching ejector pin ring from helical teeth-helical teeth scarce (or helical teeth lacks-helical teeth) inclined-plane makes ejector pin hoop move away from the direction of swivel becket，Promote the Contraband staple being positioned at ejector pin ring moving direction front end to move simultaneously，Two of Contraband staple stretch out branch and are each passed through the prolate shape through hole sending nail cabin matrix in moving process、Train of dress position through substantial viscera、Load positioning disk is touched after hollow organ wall，When Contraband staple continues to move along, two are stretched out a top and are produced bending until in " B " font by the guide effect of pit bottom cambered surface on load positioning disk.Now pancreas train of dress position and intestinal are by being fixed together in the nail of " B " font, play the effect of coincideing.
Accompanying drawing explanation
Fig. 1～Fig. 3 is total figure of this Pancreatico-intestinal anastomosis device different visual angles
Fig. 4 is that the cut-away view of this Pancreatico-intestinal anastomosis device after nail cabin matrix and gripping handle lid is sent in blanking
Fig. 5 is the main body sectional view of this Pancreatico-intestinal anastomosis device
Fig. 6 is the top view of this Pancreatico-intestinal anastomosis device
Fig. 7 is the upper upward view of this Pancreatico-intestinal anastomosis device
Fig. 8 is the schematic diagram that Contraband staple is installed on ejector pin ring boss
Fig. 9 is the upward view that Contraband staple is filled in sending after the prolate shape through hole of nail cabin matrix
Figure 10 is load power matrix underpart upward view after blanking drain pan and adjusting rod
Detailed description of the invention
Hereinafter, in conjunction with the accompanying drawings and embodiments technical scheme is further elaborated.
From background technology, existing anastomat can not realize coincideing of substantial viscera and hollow organ, inventor's research think reason be existing anastomat continuous nail feeding machanism be solid construction, do not place the space of substantial viscera.Inventor after further research, provides in an embodiment of the present invention and is applicable to pancreas (substantial viscera) and the identical anastomat of intestinal (hollow organ).
With reference to Fig. 1 and Fig. 5, the anastomat that the present invention provides includes continuous nail feeding machanism and load carrier；Described continuous nail feeding machanism includes: send nail cabin matrix 1, swivel becket 3, ejector pin ring 2 and Contraband staple 15；Driving ejector pin ring 2 lengthwise movement when described swivel becket 3 rotates, described Contraband staple 15 is pushed into load carrier surface by ejector pin ring 2.
In conjunction with reference to Fig. 1 and Fig. 5, described swivel becket 3 external circumferential surface has the driving cog of annular distribution, the driving cog of described external circumferential surface loop distribution engages with the gear on handle by after secondary gear transmission, and handle can drive swivel becket 3 to rotate along the rotation of its central shaft.Have pin 6, swivel becket 3, ejector pin ring 2 and Contraband staple 15 to be installed on described continuous nail feeding machanism and send in nail cabin matrix 1, described in send to have on nail cabin matrix 1 and be parallel to axial longitudinal sliding-rail groove, one end of described pin 6 is positioned on the projection of described ejector pin ring.The projection of ejector pin ring moves only along the described longitudinal sliding-rail groove sending nail cabin matrix；Driving ejector pin ring 2 along lengthwise movement when swivel becket 3 rotates, the form that described swivel becket 3 lacks with helical teeth-helical teeth with ejector pin ring 2 engage, is moved longitudinally required thrust by helical teeth-helical teeth house face of nibbling offer ejector pin ring between scarce when swivel becket 3 rotates；Described Contraband staple 15 is installed on the ejector pin ring end face away from swivel becket.
In conjunction with reference to Fig. 1, Fig. 4, Fig. 5, the handle of the present invention includes: one-stage gear 8, one-stage gear axle 9, afterburning handle 13, secondary gear 10, secondary gear wheel shaft, gripping handle 14；Described gripping handle 14 is installed on and send outside nail cabin matrix 1, described secondary gear 10 is installed on gripping handle 14 by secondary gear wheel shaft and by sending the through hole of nail cabin matrix 1 to engage with swivel becket 3, and described one-stage gear 8 is by engaging with secondary gear 10 after being installed on the one-stage gear axle 9 in its heart portion and combining with reinforcing handle 13 and be installed on gripping handle 12
In conjunction with sending nail cabin matrix 1 to include double-layer coaxial hollow cylinder with reference to described in Fig. 1 and Fig. 5, described swivel becket is fixed between double-layer coaxial hollow cylinder two-layer cylinder face by step surface, and described ejector pin ring is fixed between two-layer cylinder face by spring；During use, substantial viscera is placed in hollow cylinder；As shown in Figure 6, described double-layer coaxial hollow cylinder lower surface is the anchor ring having prolate shape through hole, and the size of described through hole is mated with Contraband staple size；Gland 7 is stamped in described double-layer coaxial hollow cylinder upper surface.
As shown in Figure 8, the surface that described ejector pin ring is connected with Contraband staple has prolate shape boss, and described prolate shape boss matches with prolate shape through hole, and described prolate shape boss top has the groove matched with Contraband staple crossbeam portion, described Contraband staple crossbeam portion to be installed on described groove.During use, Contraband staple arrives force bearing disk through described prolate shape through hole.As shown in Figure 4 and Figure 5, described swivel becket side has cannelure circumferentially, has rolling body 4, described rolling body are stuck in described cannelure and send between the base inner surface of nail cabin in described cannelure.
In conjunction with reference to Fig. 4 and Fig. 5, described load carrier includes load power matrix 16, load positioning disk 17, drive screw 18, adjusting rod 20, drain pan 22；As shown in Figure 5, described load power matrix has slide block with sending the surface that matrix is connected, nail cabin, and slide rail chamber, described slide rail chamber have the slide rail parallel with sending nail cabin base end to send nail cabin matrix to include, described slide block matches with slide rail, and has the degree of freedom slided along slide rail.Described load positioning disk is installed on described load power matrix, and has the degree of freedom along load positioning disk axially-movable；Having the groove along annulus arrangement on the surface that described load positioning disk is relative with sending nail cabin matrix, described groove matches with the prolate shape through hole of double-layer coaxial hollow cylinder lower surface；The ground of described groove includes two cambered surfaces.
The most described load positioning disk loads load power matrix by carrying the through hole matched with it on power matrix end face and only can move up and down along this through hole, drive screw 18 is installed in the screwed hole bottom load positioning disk with the form of threaded engagement, adjusting rod 20 is installed in the load power matrix through hole away from one end of load positioning disk, described driving belt 19 is respectively fitted on the gear ring of drive screw 18 and adjusting rod 20 and both is connected, as shown in Figure 2, described tightening screw rod 21 loads with the form that is spirally connected and send outside nail cabin matrix in the screwed hole of slide rail, described drain pan 22 is installed on load power base bottom by screw.
The internal diameter sending nail cabin matrix matches with pancreas peripheral diameter, extend longitudinally near the tube wall other end from sending nail matrix tube wall one end, cabin to begin with the cavity in annular but do not penetrate through (see figure 7), described send nail cabin matrix to have on the tube wall of cavity upper opening end position can be spirally connected with gland with sending the screw thread following closely cabin matrix longitudinal axis parallel, described sending has the horizontal slide rail (see figure 7) vertical with sending nail cabin matrix longitudinal axis outside the matrix of nail cabin, the cavity groove vertical with sending nail cabin matrix longitudinal axis is had inside slide rail, there is the tapped through hole (see figure 7) vertical with slide rail described slide rail side；
nullThis anastomat inputs using the rotation of afterburning handle as power，When reinforcing handle is rotated by operator to gripping handle direction，Power is driven to send the swivel becket (transmission principle is shown in Fig. 4) of nail cabin base cavity by the gear being positioned at afterburning rotatable handle cental axial position in gear-driven mode，After swivel becket coordinates grease with the rolling body sent between the matrix of nail cabin, the effect reducing resistance is arrived in the rotation for swivel becket，Swivel becket engages each other (see figure 4) with being co-located to send the ejector pin ring end face followed closely in the base cavity of cabin to contact and lack the form of (or helical teeth lacks-helical teeth) with helical teeth-helical teeth，The power that swivel becket rotates lacks (or helical teeth lacks-helical teeth) contact inclined-plane by helical teeth-helical teeth and power passes to ejector pin ring，It is positioned on ejector pin ring and send the projection in the matrix sliding-rail groove of nail cabin to limit the rotation of ejector pin ring (see Fig. 4、Fig. 6)，Thus ejector pin ring only one of which longitudinal degress of feedom in giving nail cabin matrix，The power reaching ejector pin ring from helical teeth-helical teeth scarce (or helical teeth lacks-helical teeth) inclined-plane makes ejector pin hoop move away from the direction of swivel becket，Promote the Contraband staple being positioned at ejector pin ring moving direction front end to move simultaneously，Two of Contraband staple stretch out branch and are each passed through the prolate shape through hole sending nail cabin matrix in moving process、Pancreas train of dress position、Load positioning disk is touched after intestinal wall，When Contraband staple continues to move along, two are stretched out a top and are produced bending until in " B " font by the guide effect of pit bottom cambered surface on load positioning disk.Now pancreas train of dress position and intestinal are by being fixed together in the nail of " B " font, play the effect of coincideing.
Although the present invention is open as above with preferred embodiment; but it is not for limiting the present invention; any those skilled in the art are without departing from the spirit and scope of the present invention; technical solution of the present invention is made possible variation and amendment by the method and the technology contents that may be by the disclosure above; therefore; every content without departing from technical solution of the present invention; any simple modification, equivalent variations and the modification made above example according to the technical spirit of the present invention, belongs to the protection domain of technical solution of the present invention.
Claims (11)
1. an anastomat, including continuous nail feeding machanism and load carrier；It is characterized in that, described continuous nail feeding machanism includes: send nail cabin matrix, swivel becket, ejector pin ring and Contraband staple；Driving ejector pin ring lengthwise movement when described swivel becket rotates, described Contraband staple is released by ejector pin ring, is bent into " B " shape after Contraband staple sequentially passes through substantial viscera train of dress position and hollow organ wall in the process at load positioning disk surface groove.
2. according to the anastomat described in claim 1, it is characterized in that, described swivel becket external circumferential surface has the driving cog of annular distribution, the driving cog on described external circumferential surface engages with the one-stage gear on handle by after secondary gear transmission, and handle can drive swivel becket to rotate along the rotation of its central shaft.
3. according to the anastomat described in claim 1, it is characterised in that the form that described swivel becket lacks with helical teeth-helical teeth with ejector pin ring engages；Described Contraband staple is installed on the ejector pin ring end face away from swivel becket.
4. according to the anastomat described in claim 1, it is characterized in that, described sending nail cabin matrix to include double-layer coaxial hollow cylinder, described swivel becket is fixed between double-layer coaxial hollow cylinder two-layer cylinder face by step surface, and described ejector pin ring is fixed between two-layer cylinder face by spring；Substantial viscera is placed in hollow part；Described double-layer coaxial hollow cylinder lower surface is the anchor ring having prolate shape through hole, and the size of described through hole is mated with Contraband staple size；Gland is stamped in described double-layer coaxial hollow cylinder upper surface.
5. according to anastomat described in claim 4, it is characterised in that have pin on described ejector pin ring, described in send to have on the matrix of nail cabin and be parallel to axial longitudinal sliding-rail groove, one end of described pin is positioned at described longitudinal sliding-rail groove.
6. according to the anastomat described in claim 2, it is characterised in that also include: one-stage gear, one-stage gear axle, afterburning handle, secondary gear, secondary gear wheel shaft, gripping handle；Described gripping handle is installed on and send outside the matrix of nail cabin, described secondary gear is installed on gripping handle by secondary gear wheel shaft and by sending the through hole of nail cabin matrix to engage with swivel becket, and described one-stage gear is by engaging with secondary gear after being installed on the non-cylindrical one-stage gear axle in its heart portion and combining with reinforcing handle and be installed on gripping handle.
7. according to the anastomat described in claim 1, it is characterised in that described load carrier includes load power matrix, load positioning disk, drive screw, adjusting rod, drain pan；Described load power matrix has slide block with sending the surface that matrix is connected, nail cabin, and slide rail chamber, described slide rail chamber have the slide rail parallel with sending nail cabin base end to send nail cabin matrix to include, described slide block matches with slide rail, and has the degree of freedom moved along slide rail.
8. according to the anastomat described in claim 7, it is characterised in that described load positioning disk is installed on described load power matrix, and has the degree of freedom along load positioning disk axially-movable；Having the groove along annulus arrangement on the surface that described load positioning disk is relative with sending nail cabin matrix, described groove matches with the prolate shape through hole of double-layer coaxial hollow cylinder lower surface；The bottom surface of described groove includes two cambered surfaces.
9., according to the anastomat described in claim 1, it is characterised in that described swivel becket side has cannelure circumferentially, in described cannelure, there are rolling body, described rolling body are stuck in described cannelure and send between the base inner surface of nail cabin.
10. according to the anastomat described in claim 5, it is characterized in that, the surface that described ejector pin ring is connected with Contraband staple has prolate shape boss, described prolate shape boss matches with prolate shape through hole, described prolate shape boss top has the groove matched with Contraband staple crossbeam portion, described Contraband staple crossbeam portion to be installed on described groove.
The medical procedures of the anastomat that any one is provided in 11. claim 1 to 10, it is characterised in that including:
Step one, substantial viscera are placed in the cavity sending nail cabin matrix, and load positioning disk is placed in hollow organ；
Step 2, by substantial viscera and hollow organ relative localization, substantial viscera stretching is formed is sending the train of dress position between nail matrix lower surface, cabin and hollow organ；
Step 3, the slide block carried on power matrix is inserted the slide rail intracavity sending nail cabin matrix, and tightening screw rod tightened thus by load power matrix with send the matrix fastening of nail cabin, then rotate adjusting rod thus regulate load positioning disk and send the vertical dimension between the matrix of nail cabin, until fitting with organs and tissues between the two；
Step 4, rotating afterburning handle to gripping handle direction, ejector pin hoop load positioning disk direction promotes Contraband staple；
Step 5, Contraband staple bend at load positioning disk surface groove, complete to coincide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097662.4A CN105997177A (en) | 2016-02-23 | 2016-02-23 | Anastomat and medical use method thereof |
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| CN201610097662.4A CN105997177A (en) | 2016-02-23 | 2016-02-23 | Anastomat and medical use method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009082710A1 (en) * | 2007-12-21 | 2009-07-02 | Endometabolic Solutions, Inc. | Methods and devices for endoscopically creating an anastomosis |
| CN201500152U (en) * | 2009-06-19 | 2010-06-09 | 刘忠臣 | Pancreatic-enteric banding invaginated stapler |
| CN103110442A (en) * | 2013-02-26 | 2013-05-22 | 中国医学科学院北京协和医院 | Pancreiatic duct jejunum anastomat |
| CN104083185A (en) * | 2014-05-12 | 2014-10-08 | 浙江大学 | Internally-expanded clamping and positioning device for pancreas and jejunum anastomosis |
| CN205697886U (en) * | 2016-02-22 | 2016-11-23 | 申川 | A kind of anastomat |
-
2016
- 2016-02-23 CN CN201610097662.4A patent/CN105997177A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009082710A1 (en) * | 2007-12-21 | 2009-07-02 | Endometabolic Solutions, Inc. | Methods and devices for endoscopically creating an anastomosis |
| CN201500152U (en) * | 2009-06-19 | 2010-06-09 | 刘忠臣 | Pancreatic-enteric banding invaginated stapler |
| CN103110442A (en) * | 2013-02-26 | 2013-05-22 | 中国医学科学院北京协和医院 | Pancreiatic duct jejunum anastomat |
| CN104083185A (en) * | 2014-05-12 | 2014-10-08 | 浙江大学 | Internally-expanded clamping and positioning device for pancreas and jejunum anastomosis |
| CN205697886U (en) * | 2016-02-22 | 2016-11-23 | 申川 | A kind of anastomat |
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Application publication date: 20161012 |