CN204092081U - A kind of tubular anastomat of surgical operation - Google Patents
A kind of tubular anastomat of surgical operation Download PDFInfo
- Publication number
- CN204092081U CN204092081U CN201420543876.6U CN201420543876U CN204092081U CN 204092081 U CN204092081 U CN 204092081U CN 201420543876 U CN201420543876 U CN 201420543876U CN 204092081 U CN204092081 U CN 204092081U
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- jump ring
- supporting base
- ring pipe
- connection block
- nail supporting
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Abstract
The utility model discloses a kind of tubular anastomat of surgical operation, comprise nail supporting base assembly, nail bin cylinder, front retainer, connection tube, rear retainer, device body, grip pressure handle, adjusting nut and lock, its main points are: nail supporting base assembly comprises nail supporting base, Connection Block, jump ring pipe, knife washer and centring ring.Nail supporting base is fixedly connected with Connection Block.Jump ring pipe is rotationally connected by bearing pin and Connection Block.Torsion spring set is on bearing pin.Knife washer is arranged in the bottom of nail supporting base.Centring ring comprises positioning tube portion, web portion and spike portion.The downside in the spike portion of centring ring contacts with the upper side cutting the portion of wearing of knife washer.During use, the endless knife of anastomat cut wear knife washer cut the portion of wearing after withstand centring ring spike portion make centring ring make it move upward, thus the positioning tube portion of centring ring departs from the location division of jump ring pipe, now by the active force of torsion spring, nail supporting base is overturn forward, be convenient to operation and terminate rear taking-up anastomat and nail supporting base assembly.
Description
Technical field
This utility model relates to surgical operation medical apparatus and instruments, is specifically related to a kind of tubular anastomat of surgical operation.
Background technology
Medical stapler is the medical apparatus and instruments commonly used clinically, the scope of application relates to the fields such as gastrointestinal surgery, Genneral Surgery, Urology Surgery and thoracic surgery, Medical stapler is used to reduce operating time, reduce hemorrhage, be conducive to the multiple advantages such as postoperative function recovery, Medical stapler has become requisite a kind of medical apparatus and instruments in surgical suturing process.
Tubular anastomat is applicable to the end end of the digestive tract tissues such as esophagus, stomach and intestinal, side and side to side anastomosis.Ultimate principle is for load in nail bin by anastomosis staple, endless knife is fixed on pushing slice of nail, assembly front end connection metal nail supporting base, there is the pit of impression nail supporting base upper end, pushing slice of nail is driven the endless knife at anastomosis staple and center to be released by drive disk assembly, endless knife completes cutting work, and the anastomosis staple of peripheral circular distribution becomes B font at the flex under action in the nail supporting base nail hole of correspondence, achieves the stitching to resection organization's periphery.Use anastomat not only to facilitate operation process, also shorten operating time simultaneously, reduce patient's bleeding, alleviate the fatigue of doctor.Anastomat has become surgical instruments the most frequently used in hospital.In prior art, connection between nail supporting base and the device body of anastomat is for being fixedly connected with, namely nail supporting base is fixed on the end of device body, this structure has good stability, but also there is certain problem, after completing wound suture, need to exit apparatus, because identical bore is less than the diameter of nail supporting base, therefore secondary injury may be caused to wound in taking-up process.
Utility model content
It is simple that the purpose of this utility model is to provide a kind of structure, is convenient to the tubular anastomat of the surgical operation taken out after wound suture.
The basic technical scheme realizing this utility model object is: a kind of surgical operation tubular anastomat, comprises nail supporting base assembly, nail bin cylinder, front retainer, connection tube, rear retainer, device body, grip pressure handle, adjusting nut and lock; Its construction features is:: nail bin cylinder is coaxially fixedly connected with connection tube by front retainer.The axis of guide is provided with in nail bin cylinder.Rear retainer front end sleeve is fixedly connected with connection tube on the rear end of connection tube.The rear end of rear retainer connects and fixes with device body and is connected.Grip pressure handle is hingedly fixed on the lower lateral front of device body by its front end.The axis of guide is connected with screw mandrel by plate.Adjusting nut rotate be arranged on device body rear end on and be connected with screw rod transmission.Lock is hingedly fixed on the lower lateral front of device body.
Nail supporting base assembly comprises nail supporting base, Connection Block, jump ring pipe, knife washer and centring ring.Nail supporting base is fixedly connected with Connection Block.The bottom of Connection Block is provided with connecting plate, and connecting plate is along front and back to setting.Connecting plate is provided with and runs through the torsional spring slot that before and after it, Open Side Down.The pin shaft hole run through about it is provided with in the middle part of connecting plate.Jump ring pipe is integrated part.Jump ring pipe top is along front and back to the buckling groove being provided with the opening upwards run through before and after it.Location division protruding upward is provided with on front side of the top of jump ring pipe.The top of jump ring pipe is along left and right to being provided with the jump ring barrel bolt axis hole run through about it, and jump ring barrel bolt axis hole is connected with buckling groove.Jump ring pipe is rotationally connected by bearing pin and Connection Block, and the connecting plate of Connection Block is arranged in the buckling groove of jump ring pipe, and bearing pin is arranged in the pin shaft hole of the jump ring barrel bolt axis hole of jump ring pipe and the connecting plate of Connection Block.Torsion spring set is on bearing pin, and torsion spring is arranged in the torsional spring slot of the connecting plate of Connection Block.The upper end of torsion spring props up the corresponding site of connecting plate, and the lower end of torsion spring is arranged in jump ring pipe.Nail supporting base assembly is detachably fixedly connected on the axis of guide in nail bin cylinder by its jump ring pipe.Ringwise, knife washer is integrated through injection molding part to knife washer.What the downside of knife washer was provided with annular cuts the portion of wearing.The top of knife washer is provided with inner support portion and outer support portion, and inner support portion is arranged on cuts in the inside upper part in the portion of wearing, and outer support portion is arranged on cuts in the outer upper in the portion of wearing.Endless knife groove is formed between inner support portion and outer support portion.Cut the portion of wearing to communicate with endless knife groove.In the inner support portion, top of knife washer and outer support portion along its circumference at equal intervals angle be provided with 2 to 4 buckling grooves.Knife washer is arranged in the bottom of nail supporting base.Centring ring is rustless steel integral piece.Centring ring comprises positioning tube portion, web portion and spike portion.The internal diameter in positioning tube portion is identical with the external diameter on the top of jump ring pipe.Web portion is arranged in the upper periphery in positioning tube portion.The external diameter of web portion is corresponding with the internal diameter in the inner support portion of knife washer.The quantity in spike portion is identical with the quantity of the buckling groove of knife washer.Spike portion is along the circumference angle setting at equal intervals of web portion, and extending radially out outside web portion along web portion.Centring ring is enclosed within Connection Block by its positioning tube portion, and the location division of jump ring pipe is entangled by its underpart, and Connection Block can not be rotated.The spike portion of centring ring lays respectively in the bottom of corresponding buckling groove of knife washer, and its downside contacts with the upper side cutting the portion of wearing of knife washer.
This utility model has positive effect: the tubular anastomat structure of (1) surgical operation of the present utility model is simple, and when having performed the operation, nail supporting base automatic turning, reduces sectional area, is convenient to take out, can not causes secondary injury to patient.(2) of the present utility modelly by torsion spring, nail supporting base is overturn, use reliable.(3) torsion spring of the present utility model is easy for installation, improves production and processing efficiency.(4) this utility model is rational in infrastructure, can't increase the space shared by corresponding mechanism, fully remain the space of the part of cutting away when original nail supporting base assembly can hold operation while increasing turn over function.
Accompanying drawing explanation
Fig. 1 is the structural representation of the tubular anastomat of this utility model surgical operation;
Fig. 2 is nail supporting base modular construction schematic diagram of the present utility model;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is schematic diagram when upwards observing from the right back below of Fig. 2;
Fig. 5 is the schematic diagram after Fig. 4 removes jump ring pipe;
Fig. 6 is the schematic diagram of the jump ring pipe in Fig. 4;
Fig. 7 is the schematic diagram of the jump ring pipe in Fig. 3;
Fig. 8 is schematic diagram when observing downwards from the right back top of Fig. 7;
Fig. 9 is the schematic diagram that Fig. 4 removes nail supporting base and knife washer;
Figure 10 is the schematic diagram that Fig. 3 removes nail supporting base and knife washer;
Figure 11 is the structural representation of the centring ring in Fig. 4;
Figure 12 is the structural representation of knife washer when observing downwards from the top of Fig. 2;
Figure 13 is the structural representation of torsion spring.
Labelling in above-mentioned accompanying drawing is as follows:
Nail supporting base 1,
Connection Block 2, connecting plate 2-1, torsional spring slot 2-1-1,
Jump ring pipe 3, buckling groove 3-1, location division 3-2, jump ring barrel bolt axis hole 3-3,
Knife washer 4, cuts and wears portion 4-1, inner support portion 4-2, outer support portion 4-3, endless knife groove 4-4, buckling groove 4-5,
Centring ring 5, positioning tube portion 5-1, web portion 5-2, spike portion 5-3,
Torsion spring 6,
Bearing pin 7,
Nail bin cylinder 10, front retainer 11, connection tube 12, rear retainer 13, device body 14, grip pressure handle 15, adjusting nut 16, lock 17.
Detailed description of the invention
The description in orientation of the present utility model is carried out according to the orientation shown in Fig. 2, and also namely the direction up and down shown in Fig. 2 is the direction up and down of description, and a side of court of Fig. 2 institute is front, and the side deviating from Fig. 2 is rear.
(embodiment 1)
See Fig. 1, the tubular anastomat of surgical operation of the present utility model comprises nail supporting base assembly, nail bin cylinder 10, front retainer 11, connection tube 12, rear retainer 13, device body 14, grip pressure handle 15, adjusting nut 16 and lock 17.
Nail bin cylinder 10 is coaxially fixedly connected with connection tube 12 by front retainer 11.The axis of guide is provided with in nail bin cylinder 10.Rear retainer 13 front end sleeve is fixedly connected with connection tube 12 on the rear end of connection tube 12.The rear end of rear retainer 13 connects and fixes with device body 14 and is connected.Grip pressure handle 15 is hingedly fixed on the lower lateral front of device body 14 by its front end.The axis of guide is connected with screw mandrel by plate.Adjusting nut 16 rotate be arranged on device body 14 rear end on and be connected with screw rod transmission, for regulating the distance between nail supporting base and nail bin cylinder 10.Lock 17 is hingedly fixed on the lower lateral front of device body 14, for carrying out spacing to grip pressure handle 15, prevents maloperation grip pressure handle 15.
See Fig. 2 to Fig. 4, nail supporting base assembly comprises nail supporting base 1, Connection Block 2, jump ring pipe 3, knife washer 4 and centring ring 5.
See Fig. 5, nail supporting base 1 is fixedly connected with Connection Block 2.The bottom of Connection Block 2 is provided with connecting plate 2-1, and connecting plate 2-1 is along front and back to setting.Connecting plate 2-1 is provided with and runs through the torsional spring slot 2-1-1 that before and after it, Open Side Down.The pin shaft hole run through about it is provided with in the middle part of connecting plate 2-1.
See Fig. 6 to Fig. 8, jump ring pipe 3 is integrated part.Jump ring pipe 3 top is along front and back to the buckling groove 3-1 being provided with the opening upwards run through before and after it.Location division 3-2 protruding upward is provided with on front side of the top of jump ring pipe 3.The top of jump ring pipe 3 is along left and right to being provided with the jump ring barrel bolt axis hole 3-3 run through about it, and jump ring barrel bolt axis hole 3-3 is connected with buckling groove 3-1.
See Fig. 4, Fig. 5 and Fig. 9 and Figure 13, jump ring pipe 3 is rotationally connected by bearing pin 7 and Connection Block 2, the connecting plate 2-1 of Connection Block 2 is arranged in the buckling groove 3-1 of jump ring pipe 3, and bearing pin 7 is arranged in the pin shaft hole of the jump ring barrel bolt axis hole 3-3 of jump ring pipe 3 and the connecting plate 2-1 of Connection Block 2.Torsion spring 6 is enclosed within bearing pin 7, and torsion spring 6 is arranged in the torsional spring slot 2-1-1 of the connecting plate 2-1 of Connection Block 2.The upper end of torsion spring 6 props up the corresponding site of connecting plate 2-1, and the lower end of torsion spring 6 is arranged in jump ring pipe 3.Torsion spring 6 can make Connection Block 2 rotate forward, thus by Connection Block 2, nail supporting base 1 is overturn forward.Nail supporting base assembly is detachably fixedly connected on the axis of guide in nail bin cylinder 10 by its jump ring pipe 3.
See Fig. 4, Fig. 5 and Figure 12, ringwise, knife washer 4 is integrated through injection molding part to knife washer 4.The downside of knife washer 4 is provided with cutting of annular and wears portion 4-1.The top of knife washer 4 is provided with inner support portion 4-2 and outer support portion 4-3, and inner support portion 4-2 is arranged in the inside upper part of cutting and wearing portion 4-1, and outer support portion 4-3 is arranged in the outer upper of cutting and wearing portion 4-1.Endless knife groove 4-4 is formed between inner support portion 4-2 and outer support portion 4-3.Cut and wear portion 4-1 and communicate with endless knife groove 4-4.On the top inner support portion 4-2 of knife washer 4 and outer support portion 4-3 along its circumference at equal intervals angle be provided with 2 to 4 buckling groove 4-5, the present embodiment is 3.Knife washer 4 is arranged in the bottom of nail supporting base 1.
See Fig. 4, Fig. 9 to Figure 11, centring ring 5 is rustless steel integral piece, and this utility model adopts 304 rustless steels to make.Centring ring 5 comprises positioning tube portion 5-1, web portion 5-2 and spike portion 5-3.The internal diameter of positioning tube portion 5-1 is identical with the external diameter on the top of jump ring pipe 3.Web portion 5-2 is arranged in the upper periphery of positioning tube portion 5-1.The external diameter of web portion 5-2 is corresponding with the internal diameter of the inner support portion 4-2 of knife washer 4.The quantity of spike portion 5-3 is identical with the quantity of the buckling groove 4-5 of knife washer 4, and the present embodiment is 3.Spike portion 5-3 is along the circumference angle setting at equal intervals of web portion 5-2, and extending radially out outside web portion 5-2 along web portion 5-2.Centring ring 5 is enclosed within Connection Block 2 by its positioning tube portion 5-1, and the location division 3-2 of jump ring pipe 3 entangles by its underpart, and Connection Block 2 can not be rotated.The spike portion 5-3 of centring ring 5 lays respectively in the bottom of corresponding buckling groove 4-5 of knife washer 4, and its downside contacts with the upper side wearing portion 4-1 of cutting of knife washer 4.
When nail supporting base assembly of the present utility model uses, when the endless knife of corresponding anastomat cut wear knife washer 4 cut wear portion 4-1 after continue to move upward, and then the spike portion 5-3 withstanding centring ring 5 makes centring ring move upward along the axis of jump ring pipe 3, thus the positioning tube portion 5-1 of centring ring 5 departs from the location division 3-2 of jump ring pipe 3, now by the active force of torsion spring 6, nail supporting base 1 is overturn forward, thus be convenient to operation and terminate rear taking-up anastomat and nail supporting base assembly.
Above embodiment is only for illustration of the utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not when departing from spirit and scope of the present utility model; various conversion and change can also be made; can also transform accordingly according to the inspiration of above-described embodiment in embody rule process, therefore all equivalent technical schemes all should be included within scope of patent protection of the present utility model.
Claims (1)
1. a tubular anastomat for surgical operation, comprises nail supporting base assembly, nail bin cylinder (10), front retainer (11), connection tube (12), rear retainer (13), device body (14), grip pressure handle (15), adjusting nut (16) and lock (17); It is characterized in that: nail bin cylinder (10) is coaxially fixedly connected with connection tube (12) by front retainer (11); Nail bin cylinder is provided with the axis of guide in (10); Rear retainer (13) front end sleeve is fixedly connected with connection tube (12) on the rear end of connection tube (12); The rear end of rear retainer (13) connects and fixes with device body (14) and is connected; Grip pressure handle (15) is hingedly fixed in by its front end on the lower lateral front of device body (14); The axis of guide is connected with screw mandrel by plate; Adjusting nut (16) rotate be arranged on device body (14) rear end on and be connected with screw rod transmission; Lock (17) is hingedly fixed on the lower lateral front of device body (14); Nail supporting base assembly comprises nail supporting base (1), Connection Block (2), jump ring pipe (3), knife washer (4) and centring ring (5); Nail supporting base (1) is fixedly connected with Connection Block (2); The bottom of Connection Block (2) is provided with connecting plate (2-1), and connecting plate (2-1) is along front and back to setting; Connecting plate (2-1) is provided with and runs through the torsional spring slot (2-1-1) that before and after it, Open Side Down; Connecting plate (2-1) middle part is provided with the pin shaft hole run through about it; Jump ring pipe (3) is integrated part; Jump ring pipe (3) top is along front and back to the buckling groove (3-1) being provided with the opening upwards run through before and after it; Location division (3-2) protruding upward is provided with on front side of the top of jump ring pipe (3); The top of jump ring pipe (3) is along left and right to being provided with the jump ring barrel bolt axis hole (3-3) run through about it, and jump ring barrel bolt axis hole (3-3) is connected with buckling groove (3-1); Jump ring pipe (3) is rotationally connected by bearing pin (7) and Connection Block (2), the connecting plate (2-1) of Connection Block (2) is arranged in the buckling groove (3-1) of jump ring pipe (3), and bearing pin (7) is arranged in the pin shaft hole of the jump ring barrel bolt axis hole (3-3) of jump ring pipe (3) and the connecting plate (2-1) of Connection Block (2); Torsion spring (6) is enclosed within bearing pin (7), and torsion spring (6) is arranged in the torsional spring slot (2-1-1) of the connecting plate (2-1) of Connection Block (2); The upper end of torsion spring (6) props up the corresponding site of connecting plate (2-1), and the lower end of torsion spring (6) is arranged in jump ring pipe (3); Nail supporting base assembly is detachably fixedly connected on the axis of guide in nail bin cylinder (10) by its jump ring pipe (3); Ringwise, knife washer (4) is integrated through injection molding part to knife washer (4); What the downside of knife washer (4) was provided with annular cuts the portion of wearing (4-1); The top of knife washer (4) is provided with inner support portion (4-2) and outer support portion (4-3), and inner support portion (4-2) is arranged in the inside upper part of the portion of wearing of cutting (4-1), and outer support portion (4-3) is arranged in the outer upper of the portion of wearing of cutting (4-1); Endless knife groove (4-4) is formed between inner support portion (4-2) and outer support portion (4-3); Cut the portion of wearing (4-1) to communicate with endless knife groove (4-4); On the inner support portion, top (4-2) of knife washer (4) and outer support portion (4-3) along its circumference at equal intervals angle be provided with 2 to 4 buckling grooves (4-5); Knife washer (4) is arranged in the bottom of nail supporting base (1); Centring ring (5) is rustless steel integral piece; Centring ring (5) comprises positioning tube portion (5-1), web portion (5-2) and spike portion (5-3); The internal diameter in positioning tube portion (5-1) is identical with the external diameter on the top of jump ring pipe (3); Web portion (5-2) is arranged in the upper periphery of positioning tube portion (5-1); The external diameter of web portion (5-2) is corresponding with the internal diameter in the inner support portion (4-2) of knife washer (4); The quantity in spike portion (5-3) is identical with the quantity of the buckling groove (4-5) of knife washer (4); Spike portion (5-3) along web portion (5-2) circumference at equal intervals angle arrange, and extend radially out web portion (5-2) outward along web portion (5-2); Centring ring (5) is enclosed within Connection Block (2) by its positioning tube portion (5-1), and the location division (3-2) of jump ring pipe (3) is entangled by its underpart, and Connection Block (2) can not be rotated; The spike portion (5-3) of centring ring (5) lays respectively in the bottom of corresponding buckling groove (4-5) of knife washer (4), and its downside contacts with the upper side cutting the portion of wearing (4-1) of knife washer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543876.6U CN204092081U (en) | 2014-09-20 | 2014-09-20 | A kind of tubular anastomat of surgical operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543876.6U CN204092081U (en) | 2014-09-20 | 2014-09-20 | A kind of tubular anastomat of surgical operation |
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| Publication Number | Publication Date |
|---|---|
| CN204092081U true CN204092081U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543876.6U Active CN204092081U (en) | 2014-09-20 | 2014-09-20 | A kind of tubular anastomat of surgical operation |
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| CN (1) | CN204092081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640605A (en) * | 2015-12-30 | 2016-06-08 | 北京派尔特医疗科技股份有限公司 | Inclinable nail abutting seat and tube-type anastomat |
-
2014
- 2014-09-20 CN CN201420543876.6U patent/CN204092081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640605A (en) * | 2015-12-30 | 2016-06-08 | 北京派尔特医疗科技股份有限公司 | Inclinable nail abutting seat and tube-type anastomat |
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