CN103829984A - Suturing nail pushing block subassembly - Google Patents

Abstract

The invention relates to a suturing nail pushing block subassembly. The suturing nail pushing block subassembly is used in a surgical operation suturing device, and is particularly suitable to be used with an oral anastomat. The suturing nail pushing block subassembly comprises a pushing block and a nail pushing sheet, wherein the pushing block comprises a guiding plate, a front pushing sheet and a rear pushing sheet; the guiding plate is arranged in the middle of the pushing block; the front pushing sheet and the rear pushing sheet which have gaps are respectively arranged on two sides of the guiding plate; a groove is formed in the rear of the pushing block; concave arc driving surfaces are respectively arranged on the front pushing sheet and the rear pushing sheet; the nail pushing sheet comprises a driving plate and at least one nail pushing plate; the driving plate is arranged on the bottom of the nail pushing sheet, and is connected with the nail pushing plates; and a convex arc driving surface is arranged on the driving plate, and is matched with the concave arc driving surface of the pushing block.

Description

Suturing nail pushing block assembly

Technical field

What the present invention relates to is a kind of suturing nail pushing block assembly, for the suturing nail pushing block assembly of surgical operation suturing device, is specially adapted to intracavity anastomat and supports the use.

Background technology

In operation stitching device, there are at present driving multiple operation stitching nail pushers, if being applied to the power of staple pusher is not effectively stably, staple pusher can twist in the slit of fluting, in addition, actuate the single contact point between slide plate and staple pusher, may in staple pusher, form and swing point, may impel staple pusher to produce larger resistance to the lengthwise movement of driver part.

Occur that the slide plate of actuating in another suturing nail driving group is provided with multiple cam wedges, each cam wedge limits multiple angles of bearing, in the time that the first driving angle is greater than the second driving angle, between staple pusher and cam wedge, there is single-point contact, the unstability of staple pusher may cause inclination or the rotation of staple pusher in ejection process, can affect normally identical work of anastomat.

Summary of the invention

The present invention seeks to provides a kind of suturing nail pushing block assembly for above-mentioned weak point, be provided with pushing block, pushing slice of nail, owing to being respectively arranged with concave circular arcs drive surface on the front pushing piece at pushing block, rear pushing piece, on the drive plate of pushing slice of nail, be provided with dome arc drive surface, in the time that anastomat drives, concave circular arcs face matches with convex shaped arc face, can stablize, promote like a cork the suturing nail tissue that coincide.Because pushing block is provided with pushing piece, rear pushing piece above, can be not do not drive pushing slice of nail at one time, can reduce suturing nail and pull the trigger the strength pushing away, make identical tissue manipulation more stable, easily complete anastomosis operation.

Suturing nail pushing block assembly takes following technical scheme to realize:

Suturing nail pushing block assembly comprises pushing block and pushing slice of nail.Pushing block comprises guide plate, front pushing piece and rear pushing piece, and pushing block middle part is provided with guide plate.Be respectively arranged with the front pushing piece in gap, rear pushing piece in guide plate both sides, be provided with groove at pushing block rear portion.

On front pushing piece and rear pushing piece, be respectively arranged with concave circular arcs drive surface.

The concave circular arcs drive surface arc radius R arranging respectively on front pushing piece and rear pushing piece is 12 ~ 120 ㎜.

Pushing slice of nail comprises drive plate and nail pushing plate, pushing slice of nail is at least provided with a nail pushing plate, and pushing slice of nail bottom is provided with drive plate, and drive plate is connected with nail pushing plate, drive plate is provided with dome arc drive surface, and the dome arc drive surface of drive plate setting matches with the concave circular arcs drive surface of pushing block.

The dome arc drive surface arc radius R2 of drive plate setting is 12 ~ 120 ㎜.

Be respectively arranged with pushing slice of nail positioning boss in the forward and backward side of nail pushing plate, at nail groove, location be installed for pushing slice of nail.

Be provided with suturing nail locating slot on nail pushing plate top, locate for suturing nail.

Described nail pushing plate is not contour nail pushing plate or contour nail pushing plate.

When suturing nail pushing block assembly uses, first pushing slice of nail is contained in to the nail trench bottom of nail bin, pushing block is contained in to nail bin rear portion, nail bin is arranged in nail bin seat, be fixed in nail bin seat groove by nail bin locating fastener location, again not contour suturing nail is arranged in corresponding nail groove, forms nail bin groupware, coincide and support the use for surgical operation.

Suturing nail pushing block component design is reasonable, compact conformation, owing to being respectively arranged with concave circular arcs drive surface on the front pushing piece at pushing block, rear pushing piece, on the drive plate of pushing slice of nail, be provided with dome arc drive surface, in the time that anastomat drives, concave circular arcs face matches with convex shaped arc face, can stablize, promote like a cork the suturing nail tissue that coincide.Because pushing block is provided with pushing piece, rear pushing piece above, can be not do not drive pushing slice of nail at one time, percussion suturing nail, can reduce suturing nail and pull the trigger the strength pushing away, make identical tissue manipulation more stable, easily complete anastomosis operation.

Suturing nail pushing block assembly of the present invention, for the suturing nail pushing block assembly of surgical operation suturing device, is specially adapted to intracavity anastomat and supports the use.

Accompanying drawing explanation

Below with reference to accompanying drawing knot, the present invention is described further:

Fig. 1 is suturing nail pushing block modular construction schematic perspective view.

Fig. 2 is the pushing block schematic perspective view of suturing nail pushing block assembly.

Fig. 3 is the pushing block top view of suturing nail pushing block assembly.

Fig. 4 is the pushing block A-A cutaway view of Fig. 3 suturing nail pushing block assembly.

Fig. 5 is the pushing block B-B cutaway view of Fig. 3 suturing nail pushing block assembly.

Fig. 6 is the pushing slice of nail schematic perspective view of suturing nail pushing block assembly.

Fig. 7 is the pushing slice of nail top view of suturing nail pushing block assembly.

Fig. 8 is the pushing slice of nail A-A cutaway view of Fig. 7 suturing nail pushing block assembly.

Fig. 9 is that the pushing block of suturing nail pushing block assembly drives pushing slice of nail schematic diagram.

Figure 10 is the using state schematic diagram of suturing nail pushing block assembly.

Figure 11 is the using state cutaway view of suturing nail pushing block assembly.

The specific embodiment

With reference to accompanyingdrawing 1～11, suturing nail pushing block assembly comprises pushingblock 1 and pushing slice of nail 2.Pushing block 1 comprises guide plate 1-1, front pushing piece 1-2 and rear pushing piece 1-3, and pushingblock 1 middle part is provided with guide plate 1-1, is respectively arranged with the front pushing piece 1-2 in gap, rear pushing piece 1-3 in guide plate 1-1 both sides, is provided with groove 1-4 at pushingblock 1 rear portion.

On front pushing piece 1-2 and rear pushing piece 1-3, be respectively arranged with concave circular arcs drive surface 1-5.The concave circular arcs drive surface 1-5 arc radius R1 arranging respectively on front pushing piece 1-2 and rear pushing piece 1-3 is 12～120 ㎜.

Pushing slice ofnail 2 comprises drive plate 2-1 and nail pushing plate 2-2, pushing slice ofnail 2 is at least provided with a nail pushing plate 2-2, pushing slice ofnail 2 bottoms are provided with drive plate 2-1, drive plate 2-1 is connected with nail pushing plate 2-2, drive plate 2-1 is provided with dome arc drive surface 2-3, and the dome arc drive surface 2-3 that drive plate 2-1 arranges matches with the concave circular arcs drive surface 1-5 of pushingblock 1.

The dome arc drive surface 2-3 arc radius R2 that drive plate 2-1 arranges is 12 ~ 120 ㎜.

Be respectively arranged with pushing slice of nail positioning boss 2-4 in the forward and backward side of nail pushing plate 2-2, at nail groove, location be installed for pushing slice of nail.

Be provided with suturing nail locating slot 2-5 on nail pushing plate 2-2 top, locate for suturing nail.

Described nail pushing plate 2-2 is not contour nail pushing plate or contour nail pushing plate.

With reference to accompanying drawing 10,11, when suturing nail pushing block assembly uses, first pushing slice ofnail 2 is contained in to the nail groove 4-1 bottom ofnail bin 4, pushingblock 1 is contained in tonail bin 4 rear portions,nail bin 4 is arranged in nail bin seat, be fixed in nail bin seat groove by nail bin locating fastener location, again notcontour suturing nail 3 is arranged in corresponding nail groove 4-1, form nail bin groupware, pushingblock 1 drives pushing slice ofnail 2 to promote in the nail groove 4-1 ofnail bin 4 suturingnail 3 tissue that coincide, supports the use for surgical operation is identical.Because pushingblock 1 is provided with pushing piece, rear pushing piece above, can be not do not drive pushing slice of nail at one time, percussion suturing nail, can stablize, promote like a cork the suturing nail tissue that coincide.

Claims (7)

1. a suturing nail pushing block assembly, is characterized in that: comprise pushing block and pushing slice of nail; Pushing block comprises guide plate, front pushing piece and rear pushing piece, pushing block middle part is provided with guide plate, be respectively arranged with the front pushing piece in gap, rear pushing piece in guide plate both sides, be provided with groove at pushing block rear portion, on front pushing piece and rear pushing piece, be respectively arranged with concave circular arcs drive surface;

Pushing slice of nail comprises drive plate and nail pushing plate, pushing slice of nail is at least provided with a nail pushing plate, and pushing slice of nail bottom is provided with drive plate, and drive plate is connected with nail pushing plate, drive plate is provided with dome arc drive surface, and the dome arc drive surface of drive plate setting matches with the concave circular arcs drive surface of pushing block.

2. suturing nail pushing block assembly according to claim 1, is characterized in that: the concave circular arcs drive surface arc radius R1 arranging respectively on front pushing piece and rear pushing piece is 12 ~ 120 ㎜.

3. suturing nail pushing block assembly according to claim 1, is characterized in that: the dome arc drive surface arc radius R2 of drive plate setting is 12 ~ 120 ㎜.

4. suturing nail pushing block assembly according to claim 1, is characterized in that: be respectively arranged with pushing slice of nail positioning boss in the forward and backward side of nail pushing plate, at nail groove, location be installed for pushing slice of nail.

5. suturing nail pushing block assembly according to claim 1, is characterized in that: be provided with suturing nail locating slot on nail pushing plate top, locate for suturing nail.

6. suturing nail pushing block assembly according to claim 1, is characterized in that: described pushing slice of nail is at least provided with a nail pushing plate.

7. suturing nail pushing block assembly according to claim 1, is characterized in that: described nail pushing plate is not contour nail pushing plate or contour nail pushing plate.

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