CN210990500U - Anastomat with radial contraction nail abutting seat assembly - Google Patents
Anastomat with radial contraction nail abutting seat assembly Download PDFInfo
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- CN210990500U CN210990500U CN201920844825.XU CN201920844825U CN210990500U CN 210990500 U CN210990500 U CN 210990500U CN 201920844825 U CN201920844825 U CN 201920844825U CN 210990500 U CN210990500 U CN 210990500U
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- sliding block
- nail abutting
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Abstract
The utility model relates to an anastomat with a radial contraction nail abutting seat component. The stapler comprises a stapler body with a nail bin at the front end and a nail abutting seat assembly matched with the stapler body; the nail abutting seat assembly comprises a fixed disc, a plurality of nail abutting sliding blocks, a contraction ring, a plurality of groups of limiting pieces and a clamp spring tube connected with the fixed disc; the rear end face of the fixed disc is provided with guide limiting grooves distributed in a radial shape, and a plurality of nail abutting sliding blocks are arranged in the corresponding guide limiting grooves in a sliding mode and form a nail abutting sliding block ring with adjustable diameter; the shrinkage ring is connected with the nail-resisting slide block ring to enable the nail-resisting slide block to generate an inward sliding trend; the rear side surface of the nail abutting sliding block is provided with a limiting groove, and a plurality of limiting grooves in the nail abutting sliding block ring form a limiting ring groove for accommodating the upper anastomosis ring; the limiting pieces are arranged on the inner side of the nail abutting sliding block ring at intervals and used for blocking the nail abutting sliding block from sliding inwards, and the limiting pieces are connected with the inner side of the upper anastomosis ring through transverse connecting pieces. The utility model has the advantages of simple structure, convenient operation, manufacturing cost reduces.
Description
Technical Field
The utility model relates to the field of medical equipment, especially a take anastomat that radial contraction supported nail seat subassembly.
Background
Staplers are devices used in medicine to replace manual suturing, the main working principle being the detachment or anastomosis of tissue by titanium staples, similar to staplers. The anastomat used clinically at present has the advantages of reliable quality, convenient use, tightness, proper tightness, quick suture, simple and convenient operation, few side effects, few surgical complications and the like.
The main characteristics are simple and convenient operation and operation time saving; the disposable is used for one time, so that cross infection is avoided; the titanium nail or the stainless steel nail (skin suturing device) is used for suturing tightly and with moderate tightness.
Although the biocompatibility of the anastomosis nails such as the titanium nails and the like is good, the anastomosis nails always exist in vivo after the wound of a patient is healed and recovered, the transmission line CT/MRI examination cannot be scattered, the imaging examination is influenced mostly, and the like, although Z L201711435356.8 discloses the anastomat with the radial contraction nail-supporting seat component, the anastomat also has the defects of complex structure and high production cost.
Disclosure of Invention
An object of the utility model is to provide a take anastomat that radial contraction supported nail seat subassembly that simple structure, low in production cost, convenient operation, coincide effectually.
The purpose of the utility model is realized through the following technical scheme: take the anastomat that radial contraction supported nail seat subassembly, its characterized in that: the stapler comprises a stapler body with a nail bin at the front end and a nail abutting seat assembly matched with the stapler body;
the nail abutting seat assembly comprises a fixed disc, a plurality of nail abutting sliding blocks, a contraction ring, a plurality of groups of limiting pieces and a clamp spring tube connected with the fixed disc;
the rear end face of the fixed disc is provided with guide limiting grooves distributed in a radial shape, and a plurality of nail abutting sliding blocks are arranged in the corresponding guide limiting grooves in a sliding mode and form a nail abutting sliding block ring with adjustable diameter;
the shrinkage ring is connected with the nail-resisting slide block ring to enable the nail-resisting slide block to generate an inward sliding trend;
the rear side surface of the nail abutting sliding block is provided with a limiting groove, and a plurality of limiting grooves in the nail abutting sliding block ring form a limiting ring groove for accommodating the upper anastomosis ring;
the limiting pieces are arranged on the inner side of the nail abutting sliding block ring at intervals and used for blocking the nail abutting sliding block from sliding inwards, and the limiting pieces are connected with the inner side of the upper anastomosis ring through transverse connecting pieces.
Compare prior art, the utility model has the advantages of:
1. the utility model has the advantages of simple integral structure, convenient manufacture and operation and low production cost.
2. The utility model discloses well nail seat subassembly adopts the adjustable structure of bore, sews up the external diameter that will support nail slider ring after accomplishing and reduces to the external diameter that is not more than to support the nail seat for support the nail seat subassembly and can follow the through-hole of the ring inside that coincide and pass through.
3. The rear side surface of the nail pushing sliding block ring is provided with an upper anastomosis ring, the front end of the nail bin is provided with a lower anastomosis ring, and the upper anastomosis ring and the lower anastomosis ring are fixed through anastomosis nails, so that the problem of poor suturing of traditional suturing fistula and the like can be solved, and a better suturing effect can be achieved.
4. The upper anastomosis ring, the lower anastomosis ring and the anastomosis nails are human body absorbable materials, and after tissues heal, the anastomosis materials can be absorbed by the human body tissues.
Drawings
Fig. 1 is a schematic view of the overall structure of the stapler of the present invention.
Fig. 2 is a sectional view of the nail seat assembly of the present invention.
Fig. 3 is an exploded view of the nail seat assembly of the present invention.
Fig. 4 is a schematic structural view of the nail seat assembly of the present invention.
Fig. 5 is a sectional view of the cartridge region of the stapler body according to the present invention.
Fig. 6 is a schematic structural view of the fixing disc of the present invention.
Fig. 7 is a schematic structural view of the nail pushing slider of the present invention.
Fig. 8 is a schematic structural view of the nail pushing slider at another viewing angle.
Fig. 9 is a schematic view of the structure of the ring cutter.
Figure 10 is a cross-sectional view of a ring cutter.
Figure 11 is an enlarged view of figure 10 at the barb configuration.
Fig. 12 is a schematic view of an upper anastomosis ring structure with a stopper plate according to the present invention.
Figure 13 is a cross-sectional view of the ring cutter ready to cut the transverse web.
Fig. 14 is a cross-sectional view of a circular cutter cutting a transverse web.
Fig. 15 is a cross-sectional view of the circular cutter after completion of cutting the transverse web and withdrawal of the cutter.
Description of reference numerals: the nail pushing device comprises a nail pushing seat assembly 1, a fixed disc 11, a nail pushing sliding block 12, a contraction ring 13, a limiting sheet 14, a clamp spring tube 15, a transverse connecting sheet 16, a decoration cover 17, a connecting nut 18, a guide limiting groove 111, a limiting groove 121, a contraction ring groove 122, a stapler body 2, a nail cabin 21, an annular cutter 22, a handle 23, a knob 24, a linkage rod 25, a driving rod 26, a nail pushing piece 27, a barb structure 221, an upper anastomosis ring 3, a lower anastomosis ring 4 and an anastomosis nail 5.
Detailed Description
The invention is described in detail below with reference to the drawings and examples of the specification:
as shown in fig. 1-12: the anastomat with the radial contraction nail abutting seat assembly comprises an anastomat body 2 provided with a nail bin 21 at the front end and a nail abutting seat assembly 1 matched with the anastomat body 2;
the nail abutting seat assembly 1 comprises a fixed disc 11, a plurality of nail abutting sliding blocks 12, a contraction ring 13, a plurality of groups of limiting pieces 14 and a clamp spring tube 15 connected with the fixed disc 11;
the rear end face of the fixed disc 11 is provided with guide limiting grooves 111 distributed in a radial shape, and a plurality of nail abutting sliding blocks 12 are arranged in the corresponding guide limiting grooves 111 in a sliding mode and form nail abutting sliding block rings with adjustable diameters;
the contraction ring 13 is connected with the nail-resisting slide block ring to enable the nail-resisting slide block 12 to generate an inward sliding trend;
a limiting groove 121 is arranged on the rear side surface of the nail abutting sliding block 12, and a plurality of limiting grooves 121 in the nail abutting sliding block ring form a limiting ring groove for accommodating the upper anastomosis ring 3;
the limiting pieces 14 are arranged on the inner side of the nail abutting sliding block ring at intervals and used for blocking the nail abutting sliding block 12 from sliding inwards, and the limiting pieces 14 are connected with the inner side of the upper anastomosis ring 3 through transverse connecting pieces 16.
The structure difference between the anastomat body of the utility model and the anastomat body in the existing anastomat is not big, the anastomat body comprises a handle 23, a knob 24, a linkage rod 25 and a driving rod 26, the nail bin 21 comprises an annular cutter, a nail pushing piece and a knob which are connected with the linkage rod, the linkage rod is connected with a clamp spring pipe 15, and the back and forth movement of the nail abutting seat component is realized by rotating the knob; the handle is connected with the driving rod, the driving rod is connected with the annular cutter and the nail pushing piece, and the annular cutter and the nail pushing piece 27 move forwards by pressing the handle; the front end of the linkage rod 25 is a guide shaft which is matched and connected with the clamp spring pipe.
In order to avoid the situation that the tips of the anastomosis nails can stab tissues and cause inflammation, passivation pits which correspond to the anastomosis nails one by one are arranged on the nail abutting seat, and the tips of the anastomosis nails can be relatively passivated after the anastomosis nails are contacted with the passivation pits.
The rear end face of the fixed disc 11 is provided with guide limiting grooves 111 distributed in a radial shape, and a plurality of nail abutting sliding blocks 12 are arranged in the corresponding guide limiting grooves 111 in a sliding mode and form nail abutting sliding block rings with adjustable diameters; the nail pushing slide block 12 of the nail pushing slide block ring slides inwards, the diameter of the nail pushing slide block ring is reduced, and otherwise, the diameter of the nail pushing slide block ring is increased. The inward sliding of the nail abutting sliding block 12 of the nail abutting sliding block ring is realized by arranging a contraction ring 13.
The limiting pieces 14 are arranged on the inner side of the nail abutting sliding block ring at intervals and used for blocking the nail abutting sliding block 12 from sliding inwards, and the limiting pieces 14 are connected with the inner side of the upper anastomosis ring 3 through transverse connecting pieces 16.
The spacing pieces 14 are distributed at intervals, and the purpose is that when the transverse connecting piece 16 between the spacing piece 14 and the upper anastomosis ring 3 is damaged, the spacing piece 14 is pushed inwards by the nail abutting sliding block 12, and the spacing pieces 14 are distributed at intervals, so that the spacing piece can be ensured to be contracted inwards, and the caliber of the nail abutting sliding block ring can be reduced.
The rear side face or the outer side face of the nail abutting sliding block 12 is provided with a contraction ring groove 122, and the contraction ring 13 is embedded in the contraction ring groove 122. By providing the shrink ring groove 122, it is ensured that the shrink ring 13 does not disengage from the nail abutting sliding block 12. The shrink ring here is an annular spring.
As shown in fig. 9-11: an annular cutter 22 is arranged in the anastomat body 2, the caliber of the annular cutter 22 is smaller than the inner diameter of the upper anastomosis ring 3, and the caliber of the annular cutter 22 is not smaller than the outer diameter of the limiting ring groove. Annular cutter 22 is used for cutting the tissue, but the utility model provides an annular cutter 22 still has an effect for cut off transverse connection piece 16, makes spacing piece 14 and the last ring 3 separation that coincide, ensures to receive the spacing annular of propping nail slider 12 inside thrust and inwards collapses.
When the caliber of the annular cutter 22 is larger than the outer diameter of the limiting ring groove, the inner side wall surface of the annular cutter 22 is also provided with a backward barb structure 221. When the caliber of the annular cutter 22 is larger than the outer diameter of the limiting ring groove, a small section of transverse connecting sheet 16 is left at the outer side of the limiting sheet 14, and when the cutter is withdrawn, the barb structure 221 of the annular cutter 22 hooks the transverse connecting sheet 16 to take out the limiting sheet 14, so that the caliber of the nail-supporting sliding block ring is retracted without hindrance.
The guide limiting groove 111 is a guide limiting groove 111 with a T-shaped section; the nail abutting sliding block is provided with a T-shaped sliding block structure corresponding to the T-shaped guide limiting groove 111.
The front end of the nail bin 21 is provided with a placing groove for placing the lower anastomosis ring 4. The placing groove and the limiting ring groove correspond to each other when the nail pushing sliding block ring is unfolded.
The diameter of the fixed plate 11 is smaller than the inner diameter of the upper anastomosis ring 3. After the upper anastomosis ring 3 and the lower anastomosis ring 4 are connected, the fixed disc can be withdrawn.
When the nail-resisting sliding block ring is completely unfolded, the outer diameter of the nail-resisting sliding block ring is larger than the diameter of the fixed disk 11, when the nail-resisting sliding block ring is completely contracted, the outer diameter of the nail-resisting sliding block ring is smaller than the diameter of the fixed disk 11,
the fixed disk 11 is detachably connected with the clamp spring tube 15, the front end of the clamp spring tube 15 is provided with a connecting nut 18, the center of the fixed disk 11 is provided with a limiting hole, and the connecting nut 18 penetrates through the limiting hole to fix the fixed disk 11 at the front end of the clamp spring tube 15.
The front end of the fixed disk 11 is provided with a decorative cover 17.
The utility model discloses a use as follows:
1. the guide shaft is extended out from the front end of the nail bin by adjusting the knob.
2. And connecting the clamp spring pipe of the nail abutting seat assembly with the guide shaft.
3. And the rotary knob is adjusted again to close the nail abutting seat assembly and the nail bin assembly, so that the tissue is arranged between the upper anastomosis ring and the lower anastomosis ring.
4. The trigger handle controls the anastomotic nail to be pushed forwards and respectively inserted into the lower anastomotic ring, the tissue and the upper anastomotic ring, the sharp head of the anastomotic nail easily punctures the tissue and is terminated in the corresponding nail pushing hole on the nail pushing slide block 12, and the sharp angle of the head is pressed to be round and blunt.
5. The annular cutter sequentially osculating the tissue and the transverse connecting sheet.
6. The lower side of the cutting edge of the annular cutter is provided with a downward barb structure, the upper anastomosis ring and the lower anastomosis ring are made of absorbable materials, such as PPDO (polydioxanone) or P L GA (polylactic acid-glycolic acid copolymer), the transverse connecting sheet has a cutter gasket function, after the transverse connecting sheet is cut, the residual part is pulled out of the nail abutting seat structure by the barb structure, the nail abutting sliding block ring loses the blocking of the limiting sheet, and the caliber is contracted, as shown in figures 13-15.
Claims (10)
1. Take the anastomat that radial contraction supported nail seat subassembly, its characterized in that: the anastomat comprises an anastomat body (2) with a nail bin (21) arranged at the front end and a nail abutting seat component (1) matched with the anastomat body (2);
the nail abutting seat assembly (1) comprises a fixed disc (11), a plurality of nail abutting sliding blocks (12), a contraction ring (13), a plurality of groups of limiting pieces (14) and a clamp spring tube (15) connected with the fixed disc (11);
the rear end face of the fixed disc (11) is provided with guide limiting grooves (111) distributed in a radial shape, and a plurality of nail abutting sliding blocks (12) are arranged in the corresponding guide limiting grooves (111) in a sliding mode and form nail abutting sliding block rings with adjustable diameters;
the contraction ring (13) is connected with the nail pushing sliding block ring to enable the nail pushing sliding block (12) to generate an inward sliding trend;
a limiting groove (121) is arranged on the rear side surface of the nail abutting sliding block (12), and a plurality of limiting grooves (121) in the nail abutting sliding block ring form a limiting ring groove for accommodating the upper anastomosis ring (3);
the limiting pieces (14) are arranged on the inner sides of the nail abutting sliding block rings at intervals and used for preventing the nail abutting sliding blocks (12) from sliding inwards, and the limiting pieces (14) are connected with the inner sides of the upper anastomosis rings (3) through transverse connecting pieces (16).
2. The stapler with the radially contractible anvil assembly according to claim 1, wherein: support nail slider (12) trailing flank or lateral surface and be equipped with shrink ring groove (122), shrink ring (13) inlay in shrink ring groove (122).
3. The stapler with the radially contractible anvil assembly according to claim 1, wherein: an annular cutter (22) is arranged in the anastomat body (2), the caliber of the annular cutter (22) is smaller than the inner diameter of the upper anastomosis ring (3), and the caliber of the annular cutter (22) is not smaller than the outer diameter of the limiting ring groove.
4. The stapler with the radially contractible anvil assembly according to claim 3, wherein: when the caliber of the annular cutter (22) is larger than the outer diameter of the limiting ring groove, the inner side wall surface of the annular cutter (22) is also provided with a backward barb structure (221).
5. The stapler with the radially contractible anvil assembly according to claim 1, wherein: the guide limiting groove (111) is a guide limiting groove (111) with a T-shaped section; the nail pushing sliding block is provided with a T-shaped sliding block structure corresponding to the T-shaped guide limiting groove (111).
6. The stapler with the radially contractible anvil assembly according to claim 1, wherein: the front end of the nail bin (21) is provided with a placing groove for placing the lower anastomosis ring (4).
7. The stapler with the radially contractible anvil assembly according to claim 1, wherein: the diameter of the fixed disk (11) is smaller than the inner diameter of the upper anastomosis ring (3).
8. The stapler with the radially contractible anvil assembly according to claim 1, wherein: when the nail abutting sliding block ring is completely unfolded, the outer diameter of the nail abutting sliding block ring is larger than the diameter of the fixed disc (11), and when the nail abutting sliding block ring is completely contracted, the outer diameter of the nail abutting sliding block ring is smaller than the diameter of the fixed disc (11).
9. The stapler with the radially contractible anvil assembly according to any one of claims 1-8, wherein: the fixing disc (11) is detachably connected with the clamp spring tube (15), a connecting nut (18) is arranged at the front end of the clamp spring tube (15), a limiting hole is formed in the center of the fixing disc (11), and the connecting nut (18) penetrates through the limiting hole to fix the fixing disc (11) at the front end of the clamp spring tube (15).
10. The stapler with the radially contracting anvil assembly according to claim 9, wherein: the front end of the fixed disc (11) is provided with a decorative cover (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920844825.XU CN210990500U (en) | 2019-06-05 | 2019-06-05 | Anastomat with radial contraction nail abutting seat assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920844825.XU CN210990500U (en) | 2019-06-05 | 2019-06-05 | Anastomat with radial contraction nail abutting seat assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210990500U true CN210990500U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920844825.XU Active CN210990500U (en) | 2019-06-05 | 2019-06-05 | Anastomat with radial contraction nail abutting seat assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210990500U (en) |
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2019
- 2019-06-05 CN CN201920844825.XU patent/CN210990500U/en active Active
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