CN2734146Y - Degradable anastomosis part of human body digestive tract and anastomat thereof - Google Patents
Degradable anastomosis part of human body digestive tract and anastomat thereof Download PDFInfo
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- CN2734146Y CN2734146Y CN 200420079263 CN200420079263U CN2734146Y CN 2734146 Y CN2734146 Y CN 2734146Y CN 200420079263 CN200420079263 CN 200420079263 CN 200420079263 U CN200420079263 U CN 200420079263U CN 2734146 Y CN2734146 Y CN 2734146Y
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Abstract
The utility model relates to a degradable anastomosis part of human body digestive tract and anastomat thereof, in particular to the anastomosis part with new structure which is formed by the degradable material and can be used on an anastomat, comprising a degradable anastomosis seat piece and a degradable anastomosis fastener. The anastomosis seat piece is provided with an anastomosis seat which is positioned on the periphery and a connecting plate which is positioned in the center, and the basic shape of the anastomosis seat is in circular ring body shape; 8-32 axial buckle connecting through holes are evenly distributed along the circumference of the anastomosis seat, and the connecting plate is provided with center holes; the anastomosis fastener is a plurality of mutually independent fastening blocks which are provided with an axial convex column cooperated with the buckle connecting hole corresponding to the anastomosis seat piece while in use, and the standard is that the amount of the fastening block is identical to the amount of the buckle connecting hole of the anastomosis seat. While in use, the anastomosis piece conducts anastomosis to the corresponding proportion of the pipe-shaped tissue in the human body digestive tract after the anastomat conducts an operation so as to obtain the goals of simple operation, smaller operational wound surface, shorter operational time and better anastomosis effect.
Description
Technical field
This utility model relates to the corresponding operating theater instruments of identical part that a kind of tubular tissue that is used for human body alimentary canal coincide.
Background technology
Hospital is after a part of carrying out the tubular tissues of human body such as intestinal, esophagus undergos surgery excision, and in the time of the tubular tissue that stays being connected, its usual way one is to realize coincideing by manually sewing up with catgut etc.; Another kind is to coincide by anastomat with special identical pin, for example disclosed anastomat such as Chinese patent application 98227835.7.The operation that linear slit coincide is cumbersome, operating time long, patient's hemorrhage and damage chance is many; The identical identical pin that is adopted of pin is metal needles such as titanium nail, tantalum nail and stainless pin, and this identical method has characteristics such as operation is simple and easy, otch is smooth, operating time is short; But still exist easy oozing of blood of anastomotic stoma and seepage, particularly since the anastomosis staple long-term existence in body and non-degradable or absorbed by human body so that easily generation is counter in the operation back flows or sequela such as granuloma occurs.Improve Chinese patent application 98126516.2 as it and proposed " a kind of degradable in vivo surgical stapling cover that is used for surgical stapling ", the biodegradation high molecular composition that the Chinese patent application 97116925.X that this application has utilized name to be called " biodegradation high molecular composition and method for making thereof and purposes " proposes.The cover that should coincide is made up of protruding cover and recessed cover two parts, recessed cover has the recessed body of tubulose and 4 sealed grooves that are positioned on the recessed cover body wall, protruding cover has the protruding body of tubulose and 4 connecting keys that are connected on the protruding body, position between protruding body and the connecting key forms the spill keyway, during use these two parts are put into two broken ends of fractured bone of the intestines that need coincide respectively, penetrate by the connecting key of protruding cover that a corresponding sealed groove stretches out in the recessed body, and make protruding cover spill keyway block the outer tube wall of recessed body; This identical method can be utilized the inherent elasticity of high molecular polymer and restore to the original state naturally, and has realized coincideing of intestines two broken ends of fractured bone; Along with the degraded of the cover material that coincide, the cover nature that coincide is cracked and excrete.But this coincide to be enclosed within need directly operate identical when using with hands, thereby can not guarantee when identical the planarization of fracture to be easy to generate granuloma etc.
The utility model content
The purpose of this utility model is to provide a kind of human body alimentary canal tubular identical part of degradable and the special apparatus anastomat organized.During use, the anastomosis operation that is carried out is simple to operate, operating time fracture short, the anastomosis is smooth.
Total technical conceive of the present utility model is: adopt degradation material to form the identical part that can use the new structure on anastomat, in use, coincide part by undergo surgery back and the appropriate section of the tubular tissue in the human body alimentary canal is coincide of anastomat, thereby reach simple to operate, surgical wound surface is less, operating time is short, match result purpose preferably.
Realize providing tubular the coincide technical scheme of part of degradable of organizing of a kind of human body alimentary canal as follows in this utility model purpose: this identical part has degradable identical seat part and degradable identical fastener; It is the identical seat of the annulus bodily form and the connecting plate that is positioned at central authorities that the seat part that coincide has the basic configuration that is positioned at periphery, and identical seat is uniformly distributed with 8 to 32 axial snapping through holes along the circumference, and connecting plate is provided with medium pore; Identical fastener is separate a plurality of binding blocks that have the axial projection that can match with the corresponding snapping through hole of the seat part that coincide when using, and identical being as the criterion of quantity of the quantity of binding block and a snapping through hole that coincide.
Snapping through hole on the identical seat of described identical seat part also can be along two concentric circumference, 8 to 16 snapping through holes wherein are along the inboard circumference uniform distribution that is positioned at of the seat that coincide, remaining snapping through hole of equal number with the staggered mode of snapping through hole of inboard a circumference uniform distribution that is positioned at the outside along the seat that coincide; Run through the groove of identical seat along radially being provided with of a part of coincideing between each snapping through hole on the identical seat, and make near the position of each snapping through hole that is positioned at of the seat part that coincide form a corresponding fastening base, each fastening base is connected on the central connecting plate.
Each fastening base of above-mentioned identical seat part is provided with the radially groove that communicates with snapping through hole on this fastening base.
Each binding block of above-mentioned identical fastener is an integral piece, and the projection of binding block has and is shaped as columniform cylinder; The seat part that coincide is an integral piece; The projection of each binding block of identical fastener is matched with the snapping through hole of the seat part that coincide in use by its cylinder.
The diameter of above-mentioned snapping head and cylinder junction can be identical with column diameter, also can with the diameter of cylinder junction greater than column diameter.
The height of the projection of each binding block of above-mentioned identical fastener is 3 to 8 millimeters, and wherein the height of the cylinder of projection is 2 to 6 millimeters; The diameter of the cylinder of projection is 0.5 to 1.5 millimeter; The thickness of slab of identical seat part is 0.5 to 3.0 millimeter.
The lower surface of the upper surface of the pedestal of each binding block of above-mentioned identical fastener and the seat part that coincide is matsurface or is provided with latticed decorative pattern.
The snapping through hole of above-mentioned identical seat part is made up of last hole section and following hole section, and last hole section is a diameter greater than the counterbore of hole section down, and the projection of each binding block of identical fastener is matched by the following hole section of its cylinder with the snapping through hole of an identical part when using.
Snapping through hole on the identical seat of described identical seat part can be along a circumference; Radially be provided with between each snapping through hole on identical and run through the groove of seat that coincide, and make near the position of each snapping through hole that is positioned at of a part that coincide form a corresponding fastening base, each fastening base is connected on the central connecting plate; Each binding block of described identical fastener is an integral piece, and the projection of binding block has and is shaped as columniform cylinder; The seat part that coincide is an integral piece; The projection of each binding block of identical fastener is matched with the snapping through hole of the seat part that coincide in use by its cylinder.
Realize providing the tubular technical scheme of anastomat of organizing of a kind of human body alimentary canal as follows in this utility model purpose: this anastomat has stapler main body, and stapler main body has ejector pin parts and control assembly; The ejector pin parts have positioning sleeve, nail bin and moving knife assembly; The moving knife assembly has annular cutting knife and ejector pin seat; The annular cutting knife contacts with the pedestal of ejector pin seat; Nail bin is fixed on the positioning sleeve; The moving knife assembly is arranged in the positioning sleeve, and moving knife assembly and positioning sleeve are in axial sliding connection; The push rod of ejector pin seat stretches in the nail groove of nail bin and is positioned at the rear end of nail groove; Control assembly has casing assembly, transmission component, handle, apical axis assembly and adjusting part; Transmission component is arranged in the casing assembly, and can slide in casing assembly, and is controlled the slip of transmission component by handle; The clutch end of transmission component contacts with the moving knife assembly; The apical axis assembly is arranged in the casing assembly, and passes transmission component; The control screw flight of the control handle of adjusting part and apical axis assembly is rotationally connected; This anastomat also has the stationary knife assembly, seat part and identical fastener coincide; The stationary knife assembly has circular stationary knife and connecting bushing; Circular stationary knife is fixedlyed connected with connecting bushing; The seat part that coincide is degradable identical seat part, and it is the identical seat of the annulus bodily form and the connecting plate that is positioned at central authorities that the seat part that coincide has the basic configuration that is positioned at periphery, and identical seat is uniformly distributed with 8 to 32 axial snapping through holes along the circumference, and connecting plate is provided with medium pore; The seat part that coincide is fixedlyed connected on connecting bushing and with circular stationary knife by its central borehole jack; Identical fastener is separate a plurality of binding blocks that have the degradability of 1 axial projection that can match with the corresponding snapping through hole of the seat part that coincide when using, and the quantity of binding block is with the quantity of all projections and identical being as the criterion of quantity of the snapping through hole of the seat that coincide; Each binding block is arranged in the nail groove of nail bin and is positioned at the front end of nail groove; The connecting bushing of stationary knife assembly can be interlocked with the apical axis of the apical axis assembly of control assembly.
Snapping through hole on the identical seat of above-mentioned identical seat part can be along two concentric circumference, 8 to 16 snapping through holes wherein are along the inboard circumference uniform distribution that is positioned at of the seat that coincide, remaining snapping through hole of equal number with the staggered mode of snapping through hole of inboard a circumference uniform distribution that is positioned at the outside along the seat that coincide; Run through the groove of identical seat along radially being provided with of a part of coincideing between each snapping through hole on the identical seat, and make near the position of each snapping through hole that is positioned at of the seat part that coincide form a corresponding fastening base, each fastening base is connected on the central connecting plate.
Each fastening base of above-mentioned identical seat part is provided with the radially groove that communicates with snapping through hole on this fastening base.
Each binding block of above-mentioned identical fastener is an integral piece, and the projection of binding block has and is shaped as columniform cylinder; The seat part that coincide is an integral piece; The projection of each binding block of identical fastener is matched with the snapping through hole of the seat part that coincide in use by its cylinder.
The diameter of above-mentioned snapping head and cylinder junction can be identical with column diameter, also can with the diameter of cylinder junction greater than column diameter.
The height of the projection of each binding block of above-mentioned identical fastener is 3 to 8 millimeters, and wherein the height of the cylinder of projection is 2 to 6 millimeters; The diameter of the cylinder of projection is 0.5 to 1.5 millimeter; The thickness of slab of identical seat part is 0.5 to 3.0 millimeter.
The lower surface of the upper surface of the pedestal of each binding block of above-mentioned identical fastener and the seat part that coincide is matsurface or is provided with latticed decorative pattern.
The snapping through hole of above-mentioned identical seat part is made up of last hole section and following hole section, and last hole section is a diameter greater than the counterbore of hole section down, and the projection of each binding block of identical fastener is matched by the following hole section of its cylinder with the snapping through hole of an identical part when using.
Snapping through hole on the identical seat of above-mentioned identical seat part can be along a circumference; Radially be provided with between each snapping through hole on identical and run through the groove of seat that coincide, and make near the position of each snapping through hole that is positioned at of a part that coincide form a corresponding fastening base, each fastening base is connected on the central connecting plate; Each binding block of above-mentioned identical fastener is an integral piece, and the projection of binding block has and is shaped as columniform cylinder; The seat part that coincide is an integral piece; The projection of each binding block of identical fastener is matched with the snapping through hole of the seat part that coincide in use by its cylinder.
The good effect that the utlity model has is as follows: (1) of the present utility model to be used for the degradability medical tissue biodegradation high molecular composition that part can adopt Chinese patent application 98227835.7 and 97116925.X to propose that coincide and to be material and to adopt corresponding method to make, a kind of manufacture method wherein is under agitation with after the relevant raw material reacting by heating, when relevant product also is in the state with certain fluidity, the method that adopts the evacuation pouring procedure or have a certain pressure injection adds it in mould of respective shapes, then makes the identical fastener in the identical part of the present utility model after the cooling; The seat part that coincide can adopt the mould that metal insert is set to process in molding, thereby makes the stationary knife assembly that coincide seat part and circular stationary knife and connecting bushing are fixed together; The additional proportion of control correlative, time that can control degradation is to satisfy the required time of different tissues growth.Before cast or injection, can also add X-ray and show one's color adjuvant such as agent and anti-infectives to satisfy different use occasions.(2) this utility model adopts the suture way of grafting fastening form that tissue is connected, and wherein preferably has the identical fastener and the identical seat part with round button connection hole of the projection of columniform cylinder.During operation, near the side otch of a fracture of the human body alimentary canal tubular tissue that the head that the stapler main body of coincide fastener and stationary knife assembly is housed is sewed up from need stretches into the digestive tract tubular tissue and from this fracture and stretches out, the stationary knife assembly is stretched in another fracture, two fractures are tied pocket on connecting bushing; Press the control handle of the adjusting part of rotation control unit counterclockwise, make the major part of the apical axis of apical axis assembly stretch out the positioning sleeve of ejector pin parts forward, after making the connecting bushing of stationary knife assembly be fixed on the apical axis by hand, the control handle of adjusting part again moves in the direction of the clock, and the apical axis assembly is moved backward, and the motion backward simultaneously of drive stationary knife assembly, need two identical fractures close mutually and make to being in contact with one another.This moment can be by lower handle, drive the moving knife assembly of transmission component and ejector pin parts successively by handle, and pass two positions that fracture is in contact with one another that need the digestive tract tubular tissue that coincide, and then insert in the corresponding snapping through hole of the seat part that coincide by the projection that the ejector pin seat of moving knife assembly promotes each identical fastener; When the projection grafting of each identical fastener puts in place, annular cutting knife in the moving knife assembly cuts off the central connecting plate of the seat part that coincide, each fastening base of the seat part that coincide is separated each other, thereby realize the reliable stitching of tissue is connected, the tissue that cuts down is connected on the connecting bushing because of the bundle pocket.So far, with stapler main body when lateral notch is taken out, because of the connecting bushing in the stationary knife assembly is fixed on the apical axis, and connecting bushing is fixedlyed connected with circular stationary knife, circular stationary knife is fixedlyed connected with the connecting plate of the seat part that coincide, so, when taking out stapler main body, these parts of stationary knife assembly are together taken out together with the tissue of downcutting, and the side cuts of tubular tissue are sewed up again and are carried out promptly having finished operation after other corresponding stitching.When adopting the anastomat of this structure to carry out relevant operation, not only otch is smooth, operation technique is simple, the time is short, and it is reliable to coincide, and postoperative oozing of blood and seepage, generation are counter flows and the problem of sequela such as granuloma and can effectively solve.(3) projection when identical fastener of the present utility model matches with the snapping through hole of the seat part that coincide, and realizes the reliable stitching of tissue by both closely cooperating; When this utility model employing has the structure of snapping head, after carrying out relevant tissue apposition, have auto-lock function, can more effectively prevent the disengagement of the fastener and the seat part that coincide that coincide, thereby make the buckled stitching fastness of identical part higher.(4) when this utility model the coincide fastener and the seat part that coincide adopt structure with anti-skid design and identical fastener to adopt the cylinder of corresponding height with the tissue contact position time, can make under the certain pressure of being organized in of suture and be in good microcirculating state, to prevent the necrosis of suture tissue.(5) adopt identical part of the present utility model to carry out suture operation, can be degraded by tissue over time, lose intensity, can excrete no sequel from intestinal after finally cracked because of the part that should coincide.
Description of drawings
Fig. 1 is the identical seat part sketch map of identical part embodiment 1 of the present utility model.
Fig. 2 is the single binding block sketch map of the identical fastener of the part embodiment 1 that coincide.
Fig. 3 is the identical seat part sketch map of identical part embodiment 2 of the present utility model.
Fig. 4 is the opposite direction sketch map with the identical seat part of Fig. 3.
Fig. 5 is the single binding block sketch map of the identical fastener of the part embodiment 2 that coincide.
Fig. 6 is the identical seat part sketch map of identical part embodiment 3 of the present utility model.
Fig. 7 is the cutaway view of the identical seat part of embodiment 3.
Fig. 8 is the single binding block sketch map of the identical fastener of the part embodiment 3 that coincide.
Fig. 9 is the identical seat part sketch map of identical part embodiment 4 of the present utility model.
Figure 10 is embodiment 1 schematic perspective view of anastomat of the present utility model.
Figure 11 is the partial exploded view of anastomat shown in Figure 10.
Figure 12 is the main body decomposing schematic representation of anastomat shown in Figure 10.
Figure 13 is installed in the interior sketch map of nail bin for the fastener that coincide.
Figure 14 is embodiment 2 schematic perspective views of anastomat of the present utility model.
Figure 15 is the partial exploded view of anastomat shown in Figure 14.
Figure 16 is the main body decomposing schematic representation of anastomat shown in Figure 14.
The specific embodiment
(part embodiment 1 coincide)
Fig. 1～that shown in Figure 2 is identical part embodiment 1 of the present utility model, and present embodiment comprises coincide seat part 1 and identical fastener.The seat part 1 that coincide is degradable identical seat part, is integral piece.It is the identical seat 1-1 of the annulus bodily form and the connecting plate 1-2 that is positioned at central authorities that the seat part 1 that coincide has the basic configuration that is positioned at periphery, and the seat 1-1 that coincide is uniformly distributed with axial snapping through hole 1-3 along the circumference.The snapping through hole 1-3 of present embodiment is 22, along two concentric circumference, 11 snapping through hole 1-3 wherein are along the inboard circumference uniform distribution that is positioned at of the seat 1-1 that coincide, remaining snapping through hole 1-3 with the staggered mode of snapping through hole 1-3 of inboard a circumference uniform distribution that is positioned at the outside along the seat 1-1 that coincide.Snapping through hole 1-3 on the identical seat 1-1 is advisable with 8 to 32.The groove 1-5 that runs through identical seat 1-1 between each snapping through hole 1-3 on the identical seat 1-1 along radially being provided with of seat part 1 of coincideing, make near the position of each snapping through hole 1-3 that is positioned at of the seat part 1 that coincide form a corresponding fastening base 1-6, each fastening base 1-6 is connected on the central connecting plate 1-2.Connecting plate 1-2 is provided with medium pore 1-4.
Identical fastener is separate a plurality of binding blocks 4 that have the degradability of 1 axial projection 4-1 that can match with the corresponding snapping through hole 1-3 of the seat part 1 that coincide when using, and binding block 4 is an integral piece.Identical being as the criterion of quantity of the quantity of binding block 4 and the snapping through hole 1-3 of the seat 1-1 that coincide, the identical fastener of present embodiment are the binding blocks 4 of separate 22 degradabilities.The projection 4-1 of each binding block 4 has and is shaped as columniform cylinder 4-1-1, and projection 4-1 also has superposed snapping head 4-1-2, and the bottom of the projection 4-1 of each binding block 4 is provided with pedestal 4-2.The snapping head 4-1-2 of present embodiment is identical with the diameter and the column diameter of cylinder 4-1-1 junction, and shape is like bullet shaped.
The height of the projection 4-1 of binding block 4 is 7 millimeters, and wherein the height of the cylinder 4-1-1 of projection 4-1 is 5 millimeters, and the diameter of the cylinder 4-1-1 of projection 4-1 is 1 millimeter; The thickness of slab of identical seat part 1 is 2 millimeters.This utility model does not have too strict requirement to the size of binding block 4 each several parts, as long as the height of projection 4-1 is between 3 to 8 millimeters, the height of the cylinder 4-1-1 of projection 4-1 is between 2 to 6 millimeters, the diameter of cylinder 4-1-1 gets final product between 0.5 to 1.5 millimeter, and the thickness of slab of the seat part 1 that coincide gets final product between 0.5 to 3.0 millimeter.
During use, the projection 4-1 of each binding block 4 of the fastener that coincide is matched with the snapping through hole 1-3 of the seat part 1 that coincide by its cylinder 4-1-1.The lower surface of the upper surface of the pedestal 4-2 of each binding block 4 and the seat part 1 that coincide is matsurface or is provided with latticed decorative pattern.
(part embodiment 2 coincide)
Fig. 3～that shown in Figure 5 is another embodiment of identical part of the present utility model, respectively is provided with the radially groove 1-7 that communicates with snapping through hole 1-3 on the fastening base 1-6 of the seat part 1 that coincide.The binding block 4 that adopts as shown in Figure 5, the diameter of the snapping head 4-1-2 of binding block 4 and cylinder 4-1-1 junction is greater than column diameter, snapping head 4-1-2 prevents binding block 4 and fastening base 1-6 disengaging like round table-like.The snapping head 4-1-2 of binding block 4 has radially groove 1-7 owing to coincide on each fastening base 1-6 of seat part 1, so can conveniently insert in the snapping through hole 1-3 on the fastening base 1-6.All the other are identical with embodiment 1.The binding block 4 of present embodiment also can adopt Fig. 2 and binding block shown in Figure 8.
(part embodiment 3 coincide)
Fig. 6～that shown in Figure 8 is the another embodiment of identical part of the present utility model, snapping through hole 1-3 on the identical seat 1-1 of the identical seat part 1 of this embodiment is made up of last hole section 1-3-1 and following hole section 1-3-2, and last hole section 1-3-1 is the counterbore of diameter greater than following hole section 1-3-2.The binding block 4 that adopts as shown in Figure 8, the diameter of the snapping head 4-1-2 of binding block 4 and cylinder 4-1-1 junction is greater than column diameter, snapping head 4-1-2 is mushroom seemingly.During use, the projection 4-1 of each binding block 4 of the fastener that coincide is matched with the following hole section 1-3-2 of the snapping through hole 1-3 of the seat part 1 that coincide by its cylinder 4-1-1.The snapping head 4-1-2 on projection 4-1 top is in the last hole section 1-3-1 of the snapping through hole 1-3 on the seat 1-1 that coincide.All the other are identical with embodiment 2.The binding block 4 of present embodiment also can adopt binding block shown in Figure 5.
(part embodiment 4 coincide)
That shown in Figure 9 is the another embodiment of identical part of the present utility model, and the snapping through hole 1-3 on the identical seat 1-1 of the seat part 1 that coincide is along a circumference, and the quantity of snapping through hole 1-3 is 22; Radially be provided with the groove 1-5 that runs through the seat 1-1 that coincide between each snapping through hole 1-3 on the identical seat 1-1, and making near the position of each snapping through hole 1-3 that is positioned at of the seat part 1 that coincide form a corresponding fastening base 1-6, each fastening base 1-6 is connected on the central connecting plate 1-2; Each binding block 4 of fastener of coincideing be an integral piece, and binding block 4 employings binding block 4 shown in Figure 2, the projection 4-1 of binding block 4 have and be shaped as columniform cylinder 4-1-1; The seat part 1 that coincide is an integral piece; The projection 4-1 of each binding block 4 of identical fastener is matched with the snapping through hole 1-3 of the seat part 1 that coincide in use by its cylinder 4-1-1.
(anastomat embodiment 1)
Figure 10～that shown in Figure 13 is an embodiment of anastomat of the present utility model.This embodiment has stationary knife assembly 10, seat part 1, identical fastener and stapler main body 30 coincide.
Identical seat part and identical fastener that identical seat part 1 and identical fastener can adopt the part embodiment 1 that coincide to be introduced to the part embodiment 4 that coincide.The seat part 1 that coincide is enclosed within on the connecting bushing 3 and with circular stationary knife 2 by its medium pore 1-4 fixedlys connected.
Stapler main body 30 has ejector pin parts 5 and control assembly 6.
The control handle 651 of above-mentioned adjusting part 65 is connected with control screw rod 643 threads turn of apical axis assembly 64.The control handle 651 of rotation transmission adjusting part 65,643 rotations of control screw rod drive axis body 642 and apical axis 641 slides, and pass to cut somebody's hair for apical axis 641 627 to be interlocked with the connecting bushing 3 of stationary knife assembly 10, slide so apical axis 641 drives stationary knife assemblies 10.Pull handle 63, handle 63 drives and dials circle 621, by transmission bend pipe 624, transmission straight tube 625, cut somebody's hair and 627 slide, cutting somebody's hair 627 promotes annular cutting knifes 531 and promotes ejector pin seats 532 to front slide by annular cutting knife 531.The projection 4-1 that is promoted each binding block 4 by ejector pin seat 532 inserts among the corresponding snapping through hole 1-3 of the seat part 1 that coincide, and annular cutting knife 531 cuts off the central connecting plate 1-2 of the seat part 1 that coincide, and each fastening base 1-6 of the seat part 1 that coincide is separated each other, finishes identical.Release handle 63, under the spring action in forward and backward back-moving spring 626,622 and handle 63, handle 63 resets with transmission component 62.
(anastomat embodiment 2)
Figure 14～that shown in Figure 16 is another embodiment of anastomat of the present utility model.This embodiment has stationary knife assembly 10, seat part 1, identical fastener and stapler main body 30 coincide.
Identical seat part and identical fastener that identical seat part 1 and identical fastener can adopt embodiment 1 to embodiment 4 to be introduced.The seat part 1 that coincide is enclosed within on the connecting bushing 3 and with circular stationary knife 2 by its medium pore 1-4 fixedlys connected.
Stapler main body 30 has ejector pin parts 5 and control assembly 6.
The control handle 651 of rotation transmission adjusting part 65,643 rotations of control screw rod drive axis body 642 and apical axis 641 slides, and are interlocked because apical axis 641 passes the connecting bushing 3 of cut somebody's hair 629-1 and stationary knife assembly 10, slide so apical axis 641 drives stationary knife assembly 10.Pull handle 63, the handle 63 shifting block 629-2 by poke rod 629 drives poke rod 629 and slides, and the 629-1 that cuts somebody's hair on the poke rod 629 promotes ejector pin seat 532 and promotes annular cutting knife 531 to front slide by ejector pin seat 532.The projection 4-1 that is promoted each binding block 4 by ejector pin seat 532 inserts among the corresponding snapping through hole 1-3 of the seat part 1 that coincide, and annular cutting knife 531 cuts off the central connecting plate 1-2 of the seat part 1 that coincide, and each fastening base 1-6 of the seat part 1 that coincide is separated each other, finishes identical.Release handle 63, under the back-moving spring 63-1 effect on the handle 63, handle 63 resets with poke rod 629.
Claims (18)
1, the tubular degradable part that coincide of organizing of a kind of human body alimentary canal has degradable identical seat part (1) and degradable identical fastener; It is characterized in that: it is the identical seat (1-1) of the annulus bodily form and the connecting plate (1-2) that is positioned at central authorities that the seat part (1) that coincide has the basic configuration that is positioned at periphery, the seat (1-1) that coincide is uniformly distributed with 8 to 32 axial snapping through holes (1-3) along the circumference, and connecting plate (1-2) is provided with medium pore (1-4); Identical fastener is separate a plurality of binding blocks (4) that have the axial projection (4-1) that can match with the corresponding snapping through hole (1-3) of the seat part (1) that coincide when using, and identical being as the criterion of quantity of the quantity of binding block (4) and a snapping through hole (1-3) of coincide (1-1).
2, the tubular degradable part that coincide of organizing of human body alimentary canal according to claim 1, it is characterized in that: the snapping through hole (1-3) on the identical seat (1-1) of the seat part (1) that coincide is along two concentric circumference, 8 to 16 snapping through holes (1-3) wherein are along the inboard circumference uniform distribution that is positioned at of the seat (1-1) that coincide, remaining snapping through hole (1-3) of equal number with the staggered mode of snapping through hole (1-3) of inboard a circumference uniform distribution that is positioned at the outside along the seat (1-1) that coincide; The groove (1-5) that runs through identical seat (1-1) between each snapping through hole (1-3) on the identical seat (1-1) along radially being provided with of seat part (1) of coincideing, and making near the position of each snapping through hole (1-3) that is positioned at of the seat part (1) that coincide form a corresponding fastening base (1-6), each fastening base (1-6) is connected on the central connecting plate (1-2).
3, the tubular degradable part that coincide of organizing of human body alimentary canal according to claim 2 is characterized in that: each fastening base (1-6) of above-mentioned identical seat part (1) is provided with the radially groove (1-7) that communicates with snapping through hole (1-3) on this fastening base (1-6).
4, according to the tubular degradable part that coincide of organizing of claim 2 or 3 described human body alimentary canals, it is characterized in that: each binding block (4) of the fastener that coincide is an integral piece, and the projection (4-1) of binding block (4) has and is shaped as columniform cylinder (4-1-1); The seat part (1) that coincide is an integral piece; The projection (4-1) of each binding block (4) of identical fastener is matched with the snapping through hole (1-3) of the seat part (1) that coincide in use by its cylinder (4-1-1).
5, the tubular degradable part that coincide of organizing of human body alimentary canal according to claim 4 is characterized in that: the diameter of snapping head (4-1-2) and projection (4-1) junction can be identical with projection (4-1) diameter, also can be greater than projection (4-1) diameter.
6, the tubular degradable part that coincide of organizing of human body alimentary canal according to claim 5, it is characterized in that: the height of the projection (4-1) of each binding block (4) of the fastener that coincide is 3 to 8 millimeters, and wherein the height of the cylinder (4-1-1) of projection (4-1) is 2 to 6 millimeters; The diameter of the cylinder (4-1-1) of projection (4-1) is 0.5 to 1.5 millimeter; A thickness of slab of part (1) that coincide is 0.5 to 3.0 millimeter.
7, want the tubular degradable part that coincide of organizing of 6 described human body alimentary canals according to right, it is characterized in that: the lower surface of the upper surface of the pedestal (4-2) of each binding block (4) of the fastener that coincide and the seat part (1) that coincide is matsurface or is provided with latticed decorative pattern.
8, the tubular degradable part that coincide of organizing of human body alimentary canal according to claim 7, it is characterized in that: the snapping through hole (1-3) of the seat part (1) that coincide is made up of last hole section (1-3-1) and following hole section (1-3-2), last hole section (1-3-1) is a diameter greater than the counterbore of hole section (1-3-2) down, and the projection (4-1) of each binding block (4) of the fastener that coincide when using is matched with following hole section (1-3-2) of the snapping through hole (1-3) of part (1) that coincide by its cylinder (4-1-1).
9, the tubular degradable part that coincide of organizing of human body alimentary canal according to claim 1, it is characterized in that: the snapping through hole (1-3) on the identical seat (1-1) of the seat part (1) that coincide is along a circumference; Radially be provided with the groove (1-5) that runs through the seat (1-1) that coincide between each snapping through hole (1-3) on the identical seat (1-1), and making near the position of each snapping through hole (1-3) that is positioned at of the seat part (1) that coincide form a corresponding fastening base (1-6), each fastening base (1-6) is connected on the central connecting plate (1-2); Each binding block (4) of fastener of coincideing is an integral piece, and the projection (4-1) of binding block (4) has and is shaped as columniform cylinder (4-1-1); The seat part (1) that coincide is an integral piece; The projection (4-1) of each binding block (4) of identical fastener is matched with the snapping through hole (1-3) of the seat part (1) that coincide in use by its cylinder (4-1-1).
10, the tubular anastomat of organizing of a kind of human body alimentary canal has stapler main body (30), and stapler main body (30) has ejector pin parts (5) and control assembly (6); Ejector pin parts (5) have positioning sleeve (51), nail bin (52) and moving knife assembly (53); Moving knife assembly (53) has annular and cuts (531) and ejector pin seat (532); Annular is cut (531) and is contacted with the pedestal of ejector pin seat (532); Nail bin (52) is fixed on the positioning sleeve (51); Moving knife assembly (53) is arranged in the positioning sleeve (51), and moving knife assembly (53) is in axial sliding connection with positioning sleeve (51); The push rod of ejector pin seat (532) stretches in the nail groove of nail bin (52) and is positioned at the rear end of nail groove; Control assembly (6) has casing assembly (61), transmission component (62), handle (63), apical axis assembly (64) and adjusting part (65); Transmission component (62) is arranged in the casing assembly (61), and can slide in casing assembly (61), and is controlled the slip of transmission component (62) by handle (63); The clutch end (624-1) of transmission component (62) contacts with moving knife assembly (53); Apical axis assembly (64) is arranged in the casing assembly (61), and passes transmission component (62); The control handle (651) of adjusting part (65) is connected with control screw rod (643) threads turn of apical axis assembly (64); It is characterized in that: this anastomat also has stationary knife assembly (10), seat part (1) and identical fastener coincide; Stationary knife assembly (10) has circular stationary knife (2) and connecting bushing (3); Circular stationary knife (2) is fixedlyed connected with connecting bushing (3); The seat part (1) that coincide is degradable identical seat part, it is the identical seat (1-1) of the annulus bodily form and the connecting plate (1-2) that is positioned at central authorities that the seat part (1) that coincide has the basic configuration that is positioned at periphery, the seat (1-1) that coincide is uniformly distributed with 8 to 32 axial snapping through holes (1-3) along the circumference, and connecting plate (1-2) is provided with medium pore (1-4); The seat part (1) that coincide is enclosed within connecting bushing (3) by its medium pore (1-4) and upward and with circular stationary knife (2) fixedlys connected; Identical fastener is separate a plurality of binding blocks (4) that have the degradability of 1 axial projection (4-1) that can match with the corresponding snapping through hole (1-3) of the seat part (1) that coincide when using, and the quantity of binding block (4) is with the quantity of all projections (4-1) and identical being as the criterion of quantity of the snapping through hole (1-3) of the seat (1-1) that coincide; Each binding block (4) is arranged in the nail groove of nail bin (52) and is positioned at the front end of nail groove; The connecting bushing (3) of stationary knife assembly (10) can be interlocked with the apical axis (641) of the apical axis assembly (64) of control assembly (6).
11, the tubular anastomat of organizing of human body alimentary canal according to claim 10, it is characterized in that: the snapping through hole (1-3) on the identical seat (1-1) of the seat part (1) that coincide is along two concentric circumference, 8 to 16 snapping through holes (1-3) wherein are along the inboard circumference uniform distribution that is positioned at of the seat (1-1) that coincide, remaining snapping through hole (1-3) of equal number with the staggered mode of snapping through hole (1-3) of inboard a circumference uniform distribution that is positioned at the outside along the seat (1-1) that coincide; The groove (1-5) that runs through identical seat (1-1) between each snapping through hole (1-3) on the identical seat (1-1) along radially being provided with of seat part (1) of coincideing, and making near the position of each snapping through hole (1-3) that is positioned at of the seat part (1) that coincide form a corresponding fastening base (1-6), each fastening base (1-6) is connected on the central connecting plate (1-2).
12, the tubular anastomat of organizing of human body alimentary canal according to claim 11 is characterized in that: each fastening base (1-6) of above-mentioned identical seat part (1) is provided with the radially groove (1-7) that communicates with snapping through hole (1-3) on this fastening base (1-6).
13, according to claim 11 or the tubular anastomat of organizing of 12 described human body alimentary canals, it is characterized in that: each binding block (4) of the fastener that coincide is an integral piece, and the projection (4-1) of binding block (4) has and is shaped as columniform cylinder (4-1-1); The seat part (1) that coincide is an integral piece; The projection (4-1) of each binding block (4) of identical fastener is matched with the snapping through hole (1-3) of the seat part (1) that coincide in use by its cylinder (4-1-1).
14, the tubular anastomat of organizing of human body alimentary canal according to claim 13, it is characterized in that: the projection (4-1) of each binding block (4) of the fastener that coincide also has superposed snapping head (4-1-2), and the bottom of the projection (4-1) of each binding block (4) is provided with pedestal (4-2); The diameter of snapping head (4-1-2) and cylinder (4-1) junction can be identical with cylinder (4-1) diameter, also can be greater than cylinder (4-1) diameter.
15, the tubular anastomat of organizing of human body alimentary canal according to claim 14, it is characterized in that: the snapping through hole (1-3) of the seat part (1) that coincide is made up of last hole section (1-3-1) and following hole section (1-3-2), last hole section (1-3-1) is a diameter greater than the counterbore of hole section (1-3-2) down, and the projection (4-1) of each binding block (4) of the fastener that coincide when using is matched with following hole section (1-3-2) of the snapping through hole (1-3) of part (1) that coincide by its cylinder (4-1-1).
16, the tubular anastomat of organizing of human body alimentary canal according to claim 15 is characterized in that: the height of the projection (4-1) of each binding block (4) of the fastener that coincide is 3 to 8 millimeters, and wherein the height of the cylinder (4-1-1) of projection (4-1) is 2 to 6 millimeters; The diameter of the cylinder (4-1-1) of projection (4-1) is 0.5 to 1.5 millimeter; A thickness of slab of part (1) that coincide is 0.5 to 3.0 millimeter.
17, the tubular anastomat of organizing of human body alimentary canal according to claim 16 is characterized in that: the lower surface of the upper surface of the pedestal (4-2) of each binding block (4) of the fastener that coincide and the seat part (1) that coincide is matsurface or is provided with latticed decorative pattern.
18, the tubular anastomat of organizing of human body alimentary canal according to claim 10 is characterized in that: the snapping through hole (1-3) on the identical seat (1-1) of the seat part (1) that coincide is along a circumference; Radially be provided with the groove (1-5) that runs through the seat (1-1) that coincide between each snapping through hole (1-3) on the identical seat (1-1), and making near the position of each snapping through hole (1-3) that is positioned at of the seat part (1) that coincide form a corresponding fastening base (1-6), each fastening base (1-6) is connected on the central connecting plate (1-2); Each binding block (4) of fastener of coincideing is an integral piece, and the projection (4-1) of binding block (4) has and is shaped as columniform cylinder (4-1-1); The seat part (1) that coincide is an integral piece; The projection (4-1) of each binding block (4) of identical fastener is matched with the snapping through hole (1-3) of the seat part (1) that coincide in use by its cylinder (4-1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420079263 CN2734146Y (en) | 2004-09-03 | 2004-09-03 | Degradable anastomosis part of human body digestive tract and anastomat thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420079263 CN2734146Y (en) | 2004-09-03 | 2004-09-03 | Degradable anastomosis part of human body digestive tract and anastomat thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2734146Y true CN2734146Y (en) | 2005-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420079263 Expired - Lifetime CN2734146Y (en) | 2004-09-03 | 2004-09-03 | Degradable anastomosis part of human body digestive tract and anastomat thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2734146Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393285C (en) * | 2004-09-03 | 2008-06-11 | 马剑文 | Degradable anastomotic piece of human digestion tract tubal tissue and anastomat |
| CN104220011A (en) * | 2012-02-24 | 2014-12-17 | 广州医科大学附属第二医院 | Surgical stapler and stapling method using stapler |
| CN104853684A (en) * | 2012-12-17 | 2015-08-19 | 伊西康内外科公司 | Motor driven rotary input circular stapler with modular end effector |
-
2004
- 2004-09-03 CN CN 200420079263 patent/CN2734146Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393285C (en) * | 2004-09-03 | 2008-06-11 | 马剑文 | Degradable anastomotic piece of human digestion tract tubal tissue and anastomat |
| CN104220011A (en) * | 2012-02-24 | 2014-12-17 | 广州医科大学附属第二医院 | Surgical stapler and stapling method using stapler |
| CN104853684A (en) * | 2012-12-17 | 2015-08-19 | 伊西康内外科公司 | Motor driven rotary input circular stapler with modular end effector |
| US10512467B2 (en) | 2012-12-17 | 2019-12-24 | Ethicon Llc | Motor driven rotary input circular stapler with modular end effector |
| US11013513B2 (en) | 2012-12-17 | 2021-05-25 | Cilag Gmbh International | Motor driven rotary input circular stapler with modular end effector |
| US11020120B2 (en) | 2012-12-17 | 2021-06-01 | Cilag Gmbh International | Motor driven rotary input circular stapler with modular end effector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080611 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |