CN202313540U - Three-ring nail groove nail supporting base for digestive tract anastomat - Google Patents
Three-ring nail groove nail supporting base for digestive tract anastomat Download PDFInfo
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- CN202313540U CN202313540U CN2011202686883U CN201120268688U CN202313540U CN 202313540 U CN202313540 U CN 202313540U CN 2011202686883 U CN2011202686883 U CN 2011202686883U CN 201120268688 U CN201120268688 U CN 201120268688U CN 202313540 U CN202313540 U CN 202313540U
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Abstract
The utility model discloses a three-ring nail groove nail supporting base for a digestive tract anastomat, which is an integrative steel piece provided with a central stepped hole. The three-ring nail groove nail supporting base comprises a base main part and a connecting part, wherein the base main part is positioned on the upper side of the three-ring nail groove nail supporting base, and the connecting part is connected to the central part of the lower part of the base main part. The base main part is in the shape of a round platform with a big top and a small bottom, a central hole is formed on the base main part, and the connecting part is in the shape of a round platform with a big top and a small bottom and is provided with a central hole and a connection hole. Three rings of nail grooves that are formed in a concentric circle manner are formed on the upper end surface of the base main part from the interior to the exterior; all the nail grooves in the first ring are uniformly formed around the central stepped hole at intervals; each nail groove in the second ring is formed on the outer side of one position between the two adjacent nail grooves in the first ring; and each nail groove in the third ring is formed on the outer side of one position between the two adjacent nail grooves in the second ring. The upper end surface of the base main part can be in the shape of a step with a low exterior and a high interior, and all the nail grooves in the third ring are formed at the lower part on the outer side of the upper end surface of the base main part. By adopting the nail supporting base, the anastomat does not need to suture for a circle again around an anastomotic stoma after anastomosis is performed.
Description
Technical field
This utility model relates to a kind of part of medical apparatus and instruments, relates to a kind of nail supporting base of the digestive tract stapler that the tubular tissue in the human body alimentary canal is coincide especially.
Background technology
The surgeon 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 stay being connected, its usual way is to connect through anastomat with special anastomosis staple.Digestive tract stapler mainly comprises pushing device and is connected the nail supporting base assembly on the pushing device; The operator is after the preparation of carrying out the percussion anastomat; During cocking percussion anastomat; Then make two stoma sites that will coincide pushing device pin passes the needs butt joint of the tubular tissue of human body be pushed in the nail supporting base of nail supporting base assembly, make coincide two terminations of pin curve inwardly, and two stoma sites of tubular tissue are linked together.The nail supporting base of present digestive tract stapler is provided with 2 circle nail grooves; Be provided with in the corresponding pushing device and cooperate the 2 circle anastomosis staples that distribute; Such digestive tract stapler usually also need be in the anastomotic stoma periphery with one week of suture interrupted suture after percussion is accomplished, and the purpose of doing like this is in order to reinforce anastomotic stoma; The 2nd, prick anastomotic stoma blood vessel on every side in order to stitch, prevent that anastomotic stoma inside is hemorrhage.But such operation process exists following drawback; The one, obviously prolonged the operating time of operation, the 2nd, suture was reinforced secret meeting and was caused anastomotic stenosis after surgery around anastomotic stoma, and the 3rd, be the ten minutes difficulty in the artificial anastomotic stoma of reinforcing of the anastomotic position that is difficult to expose; Particularly in endoscope-assistant surgery; After digestive tract stapler percussion is accomplished, can't carry out artificial suture and reinforce, so just stay the hidden danger that the hemorrhage or anastomotic stoma of anastomotic stoma has leak source.All adopt 2 circle nail grooves of circumferential distribution like the nail supporting base of Chinese patent document CN2889184Y (application number is 200620057832.2) and the disclosed digestive tract stapler of CN2664596Y (application number is 200320110196.7).
Summary of the invention
This utility model technical problem to be solved provides a kind of nail supporting base of digestive tract stapler; When using, this nail supporting base matches with corresponding pushing device; Thereby make corresponding digestive tract stapler need not be again after percussion around anastomotic stoma one week of suture, and the connection of anastomotic stoma meets the Human Physiology requirement.
Realize that the technical scheme of this utility model purpose provides a kind of three circle nail groove nail supporting bases of digestive tract stapler; Be a steel integral piece, comprise pedestal principal part that is positioned at the upside periphery and the connecting portion that is connected pedestal principal part bottom center with central stepped bore.
The pedestal principal part is be provided with medium pore up big and down small round table-like, and connecting portion is that to be provided with going up of medium pore and connecting hole big following round table-like.
The upper surface of pedestal principal part is provided with 3 circles from inside to outside and is the nail groove that concentric circular distributes; All nail grooves of first lap are evenly spaced apart around central stepped bore; Each of second circle is followed closely two adjacent outsides of following closely between the grooves that groove is distributed in first lap, and each nail groove of the 3rd circle is distributed in two adjacent outsides of following closely between the grooves of second circle.
It is outer low and inner high stepped that the upper surface of above-mentioned pedestal principal part is, and the height a at ladder place is 0.1 to 0.4mm.
All nail grooves of the 3rd circle are arranged on the lower position, the upper surface outside of pedestal principal part.
The quantity of the nail groove of above-mentioned each circle is 10 to 14.
The utlity model has positive effect: three circle nail groove nail supporting bases of the digestive tract stapler of this utility model are the design of the nail groove that concentric-ring pattern is interspersed through 3 circles; Make the anastomat of using this utility model after coincideing, need not one week of suture around anastomotic stoma; Reduced the operating time of operation undoubtedly; And the tissue bond around the anastomotic stoma is good; Hemorrhage or the anastomotic stoma of anastomotic stoma can not occur has the hidden danger of leak source; And through the nail groove that the horizontal plane that the upper surface at nail supporting base is provided with the nail groove place of outmost turns is lower than interior 2 circles cooperate same level face height profile in nail bin anastomosis staple or cooperate the residing horizontal plane of anastomosis staple of outmost turns in the nail bin to be higher than the anastomosis staple of interior 2 circles through the nail groove that the upper surface at nail supporting base is provided with same level face height profile; Make that thereby the mucosa near the digestive tract wall can not occurred by the consequence that excessive compression causes tissue necrosis to come off when anastomat coincide, match result is better.
Description of drawings
Fig. 1 is a kind of perspective view of nail supporting base among the embodiment 1 of this utility model;
Fig. 2 is the structural representation when observing from the rear of Fig. 1;
Fig. 3 is a kind of cutaway view of nail supporting base shown in Figure 1;
Fig. 4 is a kind of perspective view of nail supporting base among the embodiment 2 of this utility model;
Fig. 5 is a kind of generalized section of nail supporting base assembly with the nail cartridge module of the nail supporting base in the application drawing 1;
Fig. 6 is a kind of generalized section of nail supporting base assembly with the nail cartridge module of the nail supporting base in the application drawing 4.
Labelling in the above-mentioned accompanying drawing is following:
Nail supporting base 1, pedestal principal part 11, nail groove 11-1, connecting portion 12, central stepped bore 13, upper-side hole section 13-1, interstitial hole section 13-2, lower-side hole section 13-3, connecting hole 14,
Seat medicated cap 2, knife washer 3, locator card reed pipe 4, anastomosis staple 5, nail bin lid 6, endless knife 7, ejector pin member 8, nail bin cover 9, shell 91, central body 92.
The specific embodiment
(embodiment 1, nail supporting base)
See Fig. 1 to Fig. 3, three circle nail groove nail supporting bases 1 of the digestive tract stapler of present embodiment are steel integral pieces with central stepped bore 13, comprise pedestal principal part 11 that is positioned at the upside periphery and the connecting portion 12 that is connected pedestal principal part 11 bottom center.Pedestal principal part 11 is be provided with medium pore up big and down small round table-like, and the diameter of its periphery maximum b1 is 24.5mm, and the diameter of the minimum b2 of place is 15mm.Connecting portion 12 is that to be provided with going up of medium pore and connecting hole big following round table-like, and the diameter of its periphery maximum is 15mm, and the diameter that minimum is located is 9.42mm.
See Fig. 3; The central stepped bore 13 of nail supporting base 1 comprises that upper-side hole section 13-1, diameter are than the interstitial hole section 13-2 of the big 0.6mm of diameter of upper-side hole section 13-1 and the diameter lower-side hole section 13-3 than the little 10.2mm of diameter of interstitial hole section 13-2; Wherein upper-side hole section 13-1 and interstitial hole section 13-2 constitute the medium pore of pedestal principal part 1, and lower-side hole section 13-3 is the medium pore of connecting portion 12.
Still see Fig. 3, the connecting hole 14 of connecting portion 12 has 2, divides the both sides of the medium pore that is symmetrical set connecting portion 12, and connects connecting portion 12 from above-below direction, and connecting hole 14 is used for the installation of a medicated cap 2.
See Fig. 1 to Fig. 3, it is outer low and inner high stepped that the upper surface of pedestal principal part 11 is, and the height a at ladder place is 0.3mm.The upper surface of pedestal principal part 11 is provided with 3 circles from inside to outside and is the nail groove 11-1 that concentric circular distributes; The quantity of the nail groove 11-1 of each circle is 11; 11 nail groove 11-1 of first lap are evenly spaced apart around central stepped bore 13; Each nail groove 11-1 of second circle is distributed in the outsides between two adjacent nail groove 11-1 of first lap, each nail groove 11-1 of the 3rd circle outsides between two adjacent nail groove 11-1 of second circle that distribute.And 11 nail groove 11-1 of the 3rd circle are arranged on the lower position, the outside, upper surface of pedestal principal part 11.
(embodiment 2, nail supporting base)
See Fig. 4, three circle nail groove nail supporting bases of the digestive tract stapler of present embodiment are basic identical with embodiment 1, and its difference is: the height of the upper surface of pedestal principal part 11 is consistent, and promptly the upper-lower position of 3 circle nail groove 11-1 distributions is identical.
(application examples 1, digestive tract stapler)
Digestive tract stapler that should use-case is made up of nail supporting base assembly and pushing device.Pushing device comprises nail cartridge module, anastomat body, firing handle, apical axis assembly, push-rod assembly, adjusting knob and insurance institution.The anastomat body comprises bend pipe, left and right sides housing and 2 clamping rings; The lower end of left and right sides housing is enclosed within on the upper end of bend pipe; And be enclosed within on the lower end of left and right sides housing by 1 clamping ring; And left and right sides housing is clamped on the bend pipe, and be enclosed within on the upper end of left and right sides housing by another clamping ring, and make left and right sides housing form the middle part and the afterbody of anastomat body.The nail cartridge module is pegged graft with the lower end of the bend pipe of anastomat body by the upper end of its nail bin cover 9 and is fixed, and perhaps is fixedly clamped by adapter sleeve.Apical axis assembly and push-rod assembly all are arranged in the anastomat body; The apical axis assembly is fixedly connected sequentially according to from bottom to up order by apical axis, strip flexure strip and tailing axle and constitutes; Push-rod assembly by the push rod that sets gradually according to from bottom to up order with stir seat and form; The bottom of push rod wherein is enclosed within on the apical axis and both are slidingly connected, stir cover for seat on the strip flexure strip and both be slidingly connected, the lower end of stirring seat contacts with the upper end of push rod.Firing handle is rotationally connected through the torsion spring and the left and right sides housing elasticity that are fixed on the fixed axis on the housing of the left and right sides and be enclosed within on the fixed axis, and the struck side of firing handle is inserted and stirred in the seat.Insurance institution is arranged on the postmedian of anastomat body and is positioned at by the firing handle, and the bottom of the central part of adjusting knob is threaded with tailing axle top, and the week of adjusting knob is stopped by the afterbody of anastomat body the lower end laterally.Push-rod assembly is connected with the nail cartridge module by the lower end of its push rod.
See Fig. 5, the nail cartridge module comprises anastomosis staple 5, nail bin lid 6, endless knife 7, ejector pin member 8 and nail bin cover 9.Nail bin lid 6, ejector pin member 8 and nail bin cover 9 are the integrated through injection molding part.Nail bin cover 9 comprises shell 91 and the central body 92 that is positioned at shell 91 inside, and central body 92 links together through connecting gusset and shell 91.The lower end of nail bin lid 6 is positioned at the lower end of the shell 91 of nail bin cover 9, and the top of nail bin lid 6 is stretched in the shell 91 of nail bin cover 9, and is overlapped on 9 at nail bin through friction tight form fix by its sidepiece.Nail bin lid 6 is on its cover plate, to be provided with the member that 3 circles are the nail bin hole that concentric circular distributes according to from inside to outside order; The quantity in the nail bin hole of each circle is 11, and on the nail bin lid 6 on position and the pedestal principal part 11 in the nail bin hole of each set circle the position of each set nail groove 11-1 that encloses corresponding.Ejector pin member 8 is that the member that 3 circles are the pushing slice of nail of concentric circular distribution is set in the bottom; The quantity of the pushing slice of nail of each circle is 11, and on the ejector pin member 8 on position and the pedestal principal part 11 of the pushing slice of nail of set each circle the position of each set nail groove 11-1 that encloses corresponding.Ejector pin member 8 is arranged in the nail bin cover 9, between the shell 91 and central body 92 of nail bin cover 9, and can overlap 9 with respect to nail bin and slides up and down, and the lower end of the pushing slice of nail of ejector pin member 8 stretches in the corresponding nail bin hole of nail bin lid 6 as the ejector pin head from top to bottom.Endless knife 7 is fixed on the end face down of central authorities of ejector pin member 8, and the edge of a knife of endless knife 7 down.33 anastomosis staples 5 are arranged in a corresponding nail bin hole of nail bin lid 6, and the height that all anastomosis staples 5 distribute is identical.
Push-rod assembly is plugged by the rear groove oral area position with the ejector pin member 8 of nail cartridge module, the circumferential protrusion position of the lower end of its push rod.The part of stretching out push rod downwards of the apical axis of apical axis assembly is arranged in the central body 92 of the nail bin cover 9 of nail cartridge module, and can move vertically with respect to central body 92.
The nail supporting base assembly comprises a medicated cap 2, knife washer 3, locator card reed pipe 4 and the nail supporting base 1 that is obtained by embodiment 1.
Seat medicated cap 2 is fixedly mounted on the nail supporting base 1 through the connecting hole 14 of nail supporting base 1, and is positioned at the below of nail supporting base 1.Knife washer 3 is around the upper-side hole section 13-1 of the pedestal principal part 11 of nail supporting base 1 and the hole wall setting of interstitial hole section 13-2; The lower end of locator card reed pipe 4 is passed the central stepped bore 13 of nail supporting base 1 and is fixed together through securing member and nail supporting base 1; The top of locator card reed pipe 4 is arranged in the central body 92 of nail bin cover 9; And locator card reed pipe 4 can overlap 9 with respect to nail bin and endwisely slip up and down; The apical axis of apical axis assembly stretches in the locator card reed pipe 4, and its head jump ring pipe 4 protrusion position internally that is positioned is blocked and is fixedly connected.
When using digestive tract stapler, before the operation, anastomosis staple 5 is packed in the nail bin hole of nail bin lid 6.During operation; Near the side otch of a fracture of the human body alimentary canal tubular tissue of at first the seat medicated cap 2 of the nail supporting base assembly of digestive tract stapler being sewed up from need stretches into the digestive tract tubular tissue; Rotating adjusting button control apical axis assembly drive locator card reed pipe 4 then moves downward; A nail supporting base 1 and a seat medicated cap 2 are moved down, make the nail supporting base assembly stretch out and stretch into another fracture from this fracture, the tissue that will coincide is again tightened on locator card reed pipe 4; Counter-rotation is regulated button again, making coincide organize clamped.Open insurance institution then; Pull firing handle; Make the push rod of stirring seat, push-rod assembly of push-rod assembly and the ejector pin member 8 of nail cartridge module moves from top to bottom successively, the anastomosis staple 5 in the nail bin lid 6 of endless knife 7 is then released in the motion from top to bottom of ejector pin member 8 downwards, coincide and directes reach the nail groove 11-1 on the nail supporting base 1 after organizing when anastomosis staple 5 is pushed out and penetrates clamped waiting; Make the anastomosis staple 5 of U-shaped bend to B shape, thereby reach the purpose that tissue is coincide., endless knife 7 directes reach the clamped redundance of treating identical tissue of knife washer 3 excisions after being released in nail bin cover 9.After accomplishing the operation that coincide (referring to that anastomosis staple 5 is nailed together and excises central unnecessary tissue with two ports), will comprise that directly the nail supporting base 1 and the digestive tract stapler of nail cartridge module take out from the side otch together with the unnecessary tissue that downcuts.
Because the height and position at the nail groove 11-1 of the outmost turns of the nail supporting base of anastomat 1 place is lower than the height and position at the nail groove 11-1 place of interior two circles; Thereby the mucosa near the digestive tract wall when therefore anastomat coincide can not occurred by the consequence that excessive compression causes tissue necrosis to come off; And anastomotic stoma combines good, need not around anastomotic stoma, to sew up a week again.
[0024] (application examples 2, digestive tract stapler)
See Fig. 6; Digestive tract stapler and application examples 1 that should use-case be basic identical; Its difference is: adopt the nail supporting base 1 that is obtained by embodiment 2; And the high 0.3mm of height and position that the height and position that 11 anastomosis staples 5 of the outmost turns in the nail bin lid 6 are distributed at nail bin lid 6 is distributed than 22 anastomosis staples 5 of inner ring; Thereby the mucosa near the digestive tract wall when this anastomat coincide equally can be occurred by the consequence that excessive compression causes tissue necrosis to come off, and the anastomotic stoma combination is good, need not around anastomotic stoma, to sew up a week again.
Claims (3)
1. three of digestive tract stapler circles are followed closely the groove nail supporting bases; It is characterized in that: be a steel integral piece, comprise the pedestal principal part (11) that is positioned at the upside periphery and be connected the connecting portion (12) of pedestal principal part (11) bottom center with central stepped bore (13);
Pedestal principal part (11) is be provided with medium pore up big and down small round table-like, and connecting portion (12) is that to be provided with going up of medium pore and connecting hole big following round table-like;
The upper surface of pedestal principal part (11) is provided with 3 circles from inside to outside and is the nail groove (11-1) that concentric circular distributes; All nail grooves (11-1) of first lap are evenly spaced apart around central stepped bore (13); Each of second circle is followed closely two adjacent outsides of following closely between the grooves (11-1) that groove (11-1) is distributed in first lap, and each nail groove (11-1) of the 3rd circle is distributed in two adjacent outsides of following closely between the grooves (11-1) of second circle.
2. three of digestive tract stapler according to claim 1 circle nail groove nail supporting bases is characterized in that: the upper surface of pedestal principal part (11) is outer low and inner high stepped, and the height a at ladder place is 0.1 to 0.4mm;
All nail grooves (11-1) of the 3rd circle are arranged on the lower position, the upper surface outside of pedestal principal part (11).
3. three of digestive tract stapler according to claim 1 circles are followed closely the groove nail supporting bases, and it is characterized in that: the quantity of the nail groove (11-1) of each circle is 10 to 14.
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CN2011202686883U CN202313540U (en) | 2011-07-27 | 2011-07-27 | Three-ring nail groove nail supporting base for digestive tract anastomat |
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CN2011202686883U CN202313540U (en) | 2011-07-27 | 2011-07-27 | Three-ring nail groove nail supporting base for digestive tract anastomat |
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CN2011202686883U Expired - Lifetime CN202313540U (en) | 2011-07-27 | 2011-07-27 | Three-ring nail groove nail supporting base for digestive tract anastomat |
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Assignee: Changzhou Waston Medical Appliance Co., Ltd. Assignor: Wu Weimin Contract record no.: 2014320000507 Denomination of utility model: Three-ring nail groove nail supporting base for digestive tract anastomat Granted publication date: 20120711 License type: Exclusive License Record date: 20140617 |
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