阅读说明：本技术 一种分步式弧形钉仓 (Step-by-step arc nail bin ) 是由 郑莹 周小驰 杨帆 王乔 王卡娜 于 2021-10-19 设计创作，主要内容包括：本发明涉及一种分步式弧形钉仓,包括钉仓本体,所述钉仓本体包括第一闭合部,所述第一闭合部用于与伸入腔道内的挡板配合并对腔道进行施压缝合,并在缝合时使腔道上的与所述第一闭合部相配合部分的横截面形状呈弧形。在本申请的方案中,在对腔道进行缝合时,将需要形成通道的腔道部分放置在第一闭合部上,并在患者腔道内伸入与第一闭合部相配合的挡板,使得第一闭合部和挡板相互作用对腔道组织施压缝合,使腔道上的与第一闭合部相配合部分的横截面形状呈弧形,进而弥补了对腔道采用直线切割缝合的不足,大大降低了在缝合过程中将需形成通道的腔道向扁平状拉伸的程度,提高了缝合效果,并且利于腔道形成能使被分离的组织从腔道中取出的环形通道。(The invention relates to a step-by-step arc-shaped nail bin which comprises a nail bin body, wherein the nail bin body comprises a first closing part, the first closing part is used for being matched with a baffle plate extending into a cavity channel and pressing and sewing the cavity channel, and the cross section of the part, matched with the first closing part, of the cavity channel is arc-shaped during sewing. In the scheme of the application, when the cavity is sutured, the cavity part needing to form the channel is placed on the first closing part, and the baffle matched with the first closing part is stretched into the cavity of the patient, so that the first closing part and the baffle interact to apply pressure to the cavity tissue for suturing, the cross section of the part, matched with the first closing part, on the cavity is arc-shaped, the defect that the cavity is sutured by linear cutting is overcome, the degree of stretching the cavity needing to form the channel to a flat shape in the suturing process is greatly reduced, the suturing effect is improved, and the cavity is favorable for forming an annular channel which can enable the separated tissue to be taken out of the cavity.)

1. The utility model provides a step-by-step arc nail storehouse which characterized in that: the nail bin comprises a nail bin body, wherein the nail bin body comprises a first closing part, the first closing part is used for being matched with a baffle extending into a cavity channel and pressing and sewing the cavity channel, and the cross section of the part, matched with the first closing part, on the cavity channel is arc-shaped during sewing.

2. The stepped, curved staple cartridge of claim 1, wherein: the surface shape that is used for on the first closed part with the chamber way cooperatees is the arc.

3. The stepped, curved staple cartridge of claim 2, wherein: and an elastic pad with elastic deformation capacity is arranged on the surface of the first closing part, which is used for being matched with the cavity channel.

4. The stepped, curved staple cartridge of any one of claims 1-3, wherein: the first closed part is provided with a plurality of first placing holes, the first placing holes are used for placing anastomosis nails, the first placing holes are arranged in multiple rows, each row comprises a plurality of first placing holes, the first placing holes are located in the same row, gaps are formed between the first placing holes at intervals, and the gaps in adjacent rows are staggered.

5. The stepped, curved staple cartridge of claim 4, wherein: at least one first placing hole is arranged at any position on the vacancy in the length direction perpendicular to the arrangement of the first placing holes.

6. The stepped, curved staple cartridge of claim 5, wherein: the nail box body also comprises a second closing part which is used for pressing and suturing the cavity.

7. The stepped, curved staple cartridge of claim 6, wherein: the surface of the second closing part used for being matched with the cavity channel is a plane.

8. The stepped, curved staple cartridge of claim 7, wherein: the second closing part is provided with an inclined surface on one side facing the first closing part.

9. The stepped, curved staple cartridge of claim 6, wherein: the nail bin body is further provided with a blade groove, and the blade groove is used for a push knife to pass through and cut the cavity channel.

10. The stepped, curved staple cartridge of claim 9, wherein: the blade groove is provided on the first closing portion between the second closing portion and the first placing hole.

Technical Field

The invention relates to the technical field of medical instruments, in particular to a step-by-step arc nail bin.

Background

The closer is a device used in medicine to replace manual suture, and the main working principle is to use anastomotic nails to perform separation or anastomosis on tissues, similar to a stapler; according to different application ranges, the surgical instrument can be mainly divided into a skin closer, a circular digestive tract (esophagus, stomach and intestine and the like) closer, a rectum closer, a circular hemorrhoid closer, a circumcision closer, a blood vessel closer, a hernia closer, a lung cutting and suturing device and the like.

Although current closures work well in cutting tissue and suturing an incision, the inventors have found in practice that current closures suffer from disadvantages, particularly:

when the closer sews the tissue, the tissue contacts with the nail bin on the closer, and the anastomotic nails in the nail bin are injected into the cavity channel, for the operation that the cavity channel needs to be cut and sewed to form a channel, usually an auxiliary device is needed, a baffle is stretched into the cavity channel, the baffle and the nail bin jointly act on the cavity channel, thereby realizing the sewing of the cavity channel, but when the cavity channel is not cut and sewed, the cross section of the cavity channel is circular, when the cavity channel is cut, the cavity channel is flat, for the cavity channels with different thicknesses, the difference between the outer diameter of the cavity channel and the inner diameter of the cavity channel is different, if the difference between the outer diameter and the inner diameter of the cavity channel is larger, the part of the tissue on the cavity channel close to the outer diameter is not sewed, the sewing effect is poor, and after the linear cutting and sewing, the cavity channel wall is pulled straight in the curved state and then the cavity channel is sewed, because the anastomotic nails limit the shape of the cavity channel, the cavity channel is bent by the expansion and contraction of the tissue between two adjacent staples, so that the bending degree of the cavity channel at the suturing part is reduced, and the annular channel through which the separated tissue can pass is difficult to form in the cavity channel for cutting and suturing so as to take out the separated tissue from the cavity channel.

Therefore, in view of the above problems, there is a need to design a staple cartridge device that can facilitate the extraction of the separated tissue from the channel-forming cavity after the cutting and suturing of the cavity.

Disclosure of Invention

The invention aims to: aiming at the defects of the nail bin on the current closer in the practical use process, the step-by-step arc-shaped nail bin which is convenient for taking separated tissues out of a cavity channel forming a channel is provided.

In order to achieve the above purpose, the invention provides the following technical scheme:

the step-by-step arc-shaped nail bin comprises a nail bin body, wherein the nail bin body comprises a first closing part, the first closing part is used for being matched with a baffle extending into a cavity channel and pressing and sewing the cavity channel, and the cross section of the part, matched with the first closing part, of the cavity channel is arc-shaped during sewing.

As a preferential technical scheme of the application, the surface shape of the first closing part used for being matched with the cavity channel is arc-shaped.

As a preferential technical scheme of the application, an elastic cushion with elastic deformation capacity is arranged on the surface, used for being matched with the cavity channel, of the first closing part.

As the preferential technical scheme of this application, be provided with the first hole of placing of a plurality of in first closed portion, the first hole of placing is used for placing the staple, the first hole site multirow of placing sets up, and every row includes a plurality of the first hole of placing is located same row first place be separated by between the hole and be formed with the vacancy, adjacent row the vacancy staggers mutually.

In a preferred embodiment of the present invention, at least one first placement hole is provided at any position on the gap in a longitudinal direction perpendicular to the arrangement of the first placement holes.

As a preferential technical scheme of the application, the nail bin body further comprises a second closing part, and the second closing part is used for pressing and suturing the cavity channel.

As a preferential technical scheme of the application, the surface, used for being matched with the cavity channel, of the second closing part is a plane.

In a preferred embodiment of the present invention, the second closing portion is formed to have an inclined surface on a side facing the first closing portion.

As a preferential technical scheme of the application, the nail bin body is further provided with a blade groove, and the blade groove is used for enabling a push blade to pass through and cutting the cavity channel.

As a preferred aspect of the present invention, the blade groove is provided in the first closing portion between the second closing portion and the first placement hole.

Compared with the prior art, the invention has the beneficial effects that:

in the scheme of the application, the step-by-step arc-shaped nail bin comprises a nail bin body, the nail bin body comprises a first closing part, when the nail bin is used for suturing the cavity, the cavity part needing to form the channel is placed on the first closing part, a baffle matched with the first closing part extends into the cavity of a patient, so that the first closing part and the baffle are mutually acted to press and suture the cavity tissue, in the suturing process, the cross section of the part, matched with the first closing part, on the cavity is in an arc shape, when the cavity is not subjected to cutting and suturing, the cross section of the cavity is in a circular ring shape, if linear cutting and suturing are adopted to suture the cavity and form the channel, the difference between the outer diameter of the cavity and the inner diameter of the cavity is different for the cavities with different thicknesses, if the difference between the outer diameter of the cavity and the inner diameter of the cavity is larger, the part of the tissue, close to the outer diameter, on the cavity is not sutured, the sewing effect is worsened, and the cavity wall is straightened in a bending state after the linear cutting and sewing are adopted, and then the cavity is sewn, because the anastomotic nails limit the shape of the cavity, the cavity is difficult to restore the bending state, the bending of the cavity is mostly dependent on the expansion and contraction of the tissues between two adjacent anastomotic nails, making it difficult to form an annular channel through which the severed tissue can pass to remove the severed tissue from the lumen, the step-by-step arc nail bin is used to lead the cross section of the part of the cavity channel which is matched with the first closing part to be in an arc shape, the defect that the cavity is sewn by linear cutting is effectively overcome, the degree of stretching the cavity needing to form a channel to be flat in the sewing process is greatly reduced, the sewing effect is improved, and the cavity is favorable for forming an annular channel which can take separated tissues out of the cavity;

the elastic pad with elastic deformation capacity is arranged on the surface of the first closing part, which is used for being matched with the cavity channel, when the first closing part and the baffle plate jointly extrude the cavity channel, the elastic pad can deform so as to relieve the deformation of the cavity channel tissue, if the elastic pad is not arranged, when the cavity channel is thick, the extrusion force exerted by the first closing part and the baffle plate on the cavity channel is large, and the situation that the cavity channel is damaged due to the transitional extrusion of the cavity channel occurs again, when the cavity channel is thin, the extrusion force is small or the part on the cavity channel is not extruded when the first closing part and the baffle plate extrude the cavity channel, so that the anastomosis nail is not pressed in the cavity channel or sutured in a pressure range beneficial to the suturing when the cavity channel is sutured, the suturing effect of the cavity channel is not beneficial, the arrangement of the elastic pad increases the application range of the cavity channel suturing, and for the cavity channels with different thicknesses, the elastic pad has different deformation amounts when in sewing, so that the adaptation degree of the cavity and the first closing part is improved, and the sewing effect is further improved;

the blade groove is arranged on the first closing part and is positioned between the second closing part and the first placing hole, when the first closing part is matched with the baffle plate to cut the cavity channel, the cavity channel cut by the pushing blade on the closer is an arc-shaped cavity channel contacted by the first closing part due to the blade groove on the first closing part, the cut of the cavity channel relative to the first closing part can be smooth after cutting, and meanwhile, when the blade groove is arranged at the joint of the first closing part and the second closing part, the thickness during cutting can be increased and the surface area of the cut can be increased due to the fact that the surfaces of the first closing part and the second closing part, which are used for contacting the cavity channel, are not on the same plane; if the blade groove is arranged on the second closing part, the suturing part on the cavity channel corresponding to the first closing part is far away from the incision of the cavity channel, and the blood vessel of the suturing part is not closed from the incision, so that the blood loss after the cavity channel is cut and sutured is increased, and the cavity channel is not sutured favorably; the pushing groove is arranged on the first closing part and is positioned between the second closing part and the first placing hole, so that the defect that the blade groove is arranged at the connecting part of the first closing part and the second closing part or on the second closing part can be overcome.

Description of the drawings:

FIG. 1 is a schematic structural view of one embodiment of a step-by-step curved staple cartridge according to the present application;

FIG. 2 is a schematic structural view of one embodiment of a step-by-step curved staple cartridge of the present application;

FIG. 3 is a schematic structural view of one embodiment of a step-by-step curved staple cartridge of the present application;

the following are marked in the figure: 1-a nail bin body, 2-a first closing part, 3-an elastic pad, 4-a first placing hole, 5-a second closing part and 6-a blade groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and such terms are used for convenience of description and simplification of the description, and do not refer to or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows: as shown in reference to figures 1-3,

the step-by-step arc-shaped nail bin comprises a nail bin body 1, wherein the nail bin body 1 comprises a first closing part 2, the first closing part 2 is used for being matched with a baffle extending into a cavity channel and pressing and sewing the cavity channel, and the cross section of the matched part of the first closing part 2 on the cavity channel is arc-shaped during sewing. The step-by-step arc-shaped nail bin comprises a nail bin body 1, the nail bin body 1 comprises a first closing part 2, when the nail bin is used for suturing a cavity, a cavity part needing to form a channel is placed on the first closing part 2, a baffle matched with the first closing part 2 extends into the cavity of a patient, so that the first closing part 2 and the baffle interact to press and suture cavity tissue, in the suturing process, the cross section of the part, matched with the first closing part 2, on the cavity is arc-shaped, when the cavity is not subjected to cutting and suturing, the cross section of the cavity is circular, if linear cutting and suturing are adopted to suture the cavity and form the channel, the difference between the outer diameter of the cavity and the inner diameter of the cavity is different for the cavities with different thicknesses, if the difference between the outer diameter of the cavity and the inner diameter of the cavity is larger, the part of the tissue, close to the outer diameter, on the cavity is not sutured, the sewing effect is worsened, and the cavity wall is straightened in a bending state after the linear cutting and sewing are adopted, and then the cavity is sewn, because the anastomotic nails limit the shape of the cavity, the cavity is difficult to restore the bending state, the bending of the cavity is mostly dependent on the expansion and contraction of the tissues between two adjacent anastomotic nails, making it difficult to form an annular channel through which the severed tissue can pass to remove the severed tissue from the lumen, the step-by-step arc nail bin is used to lead the cross section of the part of the cavity channel which is matched with the first closed part 2 to be in an arc shape, further effectively makes up the defect of linear cutting and suturing for the cavity, greatly reduces the stretching degree of the cavity which needs to form a channel to a flat shape in the suturing process, improves the suturing effect, and is beneficial to the cavity to form an annular channel which can lead the separated tissue to be taken out from the cavity.

In a preferred embodiment, in addition to the above, further, the surface of the first closing part 2 for matching with the cavity channel is arc-shaped. Be used for on the first closed part 2 and say matched with surface shape set up to the arc with the chamber, when putting nail storehouse body 1 on the chamber way, first closed part 2 contacts with the chamber way to place the baffle with 2 looks adaptations of first closed part in the chamber way, make the chamber way that is in between first closed part 2 and the baffle tend to the arc surface shape of first closed part 2, and then make the chamber way sew up under the arc state, thereby improved the sewing effect, be convenient for to the adjustment of the arc state when the chamber way sews up.

In a preferred embodiment, in addition to the above manner, an elastic pad 3 having elastic deformation capability is further disposed on a surface of the first closing part 2 for cooperating with the cavity. The elastic pad 3 with elastic deformation capacity is arranged on the surface of the first closing part 2, which is used for being matched with the cavity channel, when the first closing part 2 and the baffle plate jointly extrude the cavity channel, the elastic pad 3 can deform so as to relieve the deformation of the cavity channel tissue, if the elastic pad 3 is not arranged, when the cavity channel is thick, the extrusion force exerted by the first closing part 2 and the baffle plate on the cavity channel is large, the condition that the cavity channel is damaged due to the transitional extrusion of the cavity channel occurs, when the cavity channel is thin, the extrusion force is small or the part on the cavity channel is not extruded when the first closing part 2 and the baffle plate extrude the cavity channel, so that the anastomosis nail is not pressed in the cavity channel or sutured in a pressure range beneficial to suturing, the suturing effect of the cavity channel is not beneficial, the arrangement of the elastic pad 3 increases the application range of cavity channel suturing, and for the cavity channels with different thicknesses, the elastic pad 3 has different deformation amounts when sewing is performed, so that the degree of adaptation of the cavity to the first closed part 2 is improved, and the sewing effect is further improved.

Example two: as shown in reference to figures 1-3,

the difference between this embodiment and the first embodiment is: the first closed part 2 is provided with a plurality of first placing holes 4, the first placing holes 4 are used for placing anastomosis nails, the first placing holes are arranged in a plurality of rows with 4 bits, each row comprises a plurality of first placing holes 4, the first placing holes 4 in the same row are separated by a gap, and the gaps in adjacent rows are staggered. Set up the first hole 4 of placing of a plurality of on first closed portion 2, place the anastomotic nail in first hole 4 of placing, when sewing up the chamber way, the first closed portion 2 is pushed out to the anastomotic nail in the first hole 4 of placing, the first hole 4 of placing that multirow set up simultaneously, make when the anastomotic nail in two adjacent first holes 4 of placing on the same row sews up the chamber way tissue, there is the clearance between two anastomotic nails and make this department tissue not extruded and the blood vessel not closed by the pressure, stagger mutually through the vacancy that makes adjacent row, make between two adjacent anastomotic nails the blood vessel that is not extruded in the tissue can be extruded by the anastomotic nail on other rows, realize closing by the pressure of blood vessel, thereby the stitching effect has been improved.

In a preferred embodiment, in addition to the above-described aspect, at least one first placement hole 4 is present in any position on the gap in a longitudinal direction perpendicular to the arrangement of the first placement holes 4. In the length direction that is perpendicular to first placing hole 4 and arranges, make the vacancy go up the optional position and all have at least one first placing hole 4, when sewing up the chamber way, when the vacancy in certain row of first placing hole 4 fails to sew up the chamber way, there is the placing hole on other rows that correspond with this vacancy, make in the length direction that is perpendicular to first placing hole 4 and arranges, all there is corresponding first placing hole 4, make on the region that the patient was sewed up, along the length direction that the anastomotic nail was arranged, the clearance between two adjacent anastomotic nails on the same row can both find corresponding anastomotic nail on other rows, thereby reduced the blood vessel by the condition of pressfitting, and then improved the suture effect.

Example three: as shown in reference to figures 1-3,

the present embodiment is different from the first and second embodiments in that: the nail box body 1 further comprises a second closing part 5, and the second closing part 5 is used for pressing and suturing the cavity. The nail bin body 1 further comprises a second closing part 5, the second closing part 5 can be used for pressing and suturing the cavity channel, when the nail bin body 1 is used, the cavity channel is sutured by the first closing part 2 and the second closing part 5, the cavity channel needing to be formed is sutured by the first closing part 2, the other part of the cavity channel is sutured in a closed mode by the second closing part 5, and when the closed and sutured cavity channel tissue is taken out of the cavity channel forming the channel conveniently, blood loss at the incision of the cavity channel tissue is effectively reduced.

In a preferred embodiment, in addition to the above, a surface of the second closing portion 5 for cooperating with the cavity is a plane. In the operation of suturing the cavity and taking out the cut tissue from the cavity, the part sutured by the second closing part 5 is the part needing to be sutured closed and taken out on the cavity, the surface of the second closing part 5 matched with the cavity is set to be a plane, the cavity tissue to be sutured is flat under the action of the second closing part 5 and the anvil matched with the second closing part 5, the production and processing of the second closing part 5 which is sutured in a straight line are convenient, meanwhile, the surface shapes of the cavities contacted by the first closing part 2 and the second closing part 5 are different, and the height difference exists, so that the baffle extending into the cavity can be positioned according to the height difference, and the cavity cutting and suturing operation is convenient to carry out.

In a preferred embodiment, in addition to the above-described aspect, a side of the second closing portion 5 facing the first closing portion 2 is an inclined surface. When the first closing part 2 and the second closing part 5 sew the cavity, the cavity is attached to the surfaces of the first closing part 2 and the second closing part 5 for sewing, and one side of the second closing part 5 facing the first closing part 2 is set to be an inclined surface, so that the cavity between the first closing part 2 and the second closing part 5 can be attached to the inclined surface, the damage of the cavity between the first closing part 2 and the second closing part 5 is reduced, the contact area of the cavity between the first closing part 2 and the second closing part 5 and the nail bin body 1 is also increased, and the fixing of the cut cavity by the closer is facilitated.

In a preferred embodiment, in addition to the above-mentioned mode, the magazine body 1 is further provided with a blade groove 6, and the blade groove 6 is used for pushing a blade to pass through and cutting a cavity. The staple cartridge body 1 is provided with a blade groove 6, the blade groove 6 is used for a push blade to pass through and cut the cavity channel, when the cavity channel is cut and sewed, an anastomosis nail in the staple cartridge body 1 penetrates through the cavity channel to sew the cavity channel, and meanwhile, the push blade on the closer enters the blade groove 6 to cut the cavity channel, so that the closer can clamp and fix the cavity channel and then cut the cavity channel.

In a preferred embodiment, in addition to the above, the blade groove 6 is provided in the first closing part 2 between the second closing part 5 and the first placing hole 4. The blade groove 6 is arranged on the first closing part 2 and is positioned between the second closing part 5 and the first placing hole 4, when the first closing part 2 is matched with the baffle plate to cut a cavity channel, the cavity channel cut by the pushing blade on the closer is an arc-shaped cavity channel contacted by the first closing part 2 due to the blade groove 6 on the first closing part 2, the cavity channel cut by the first closing part 2 can be smooth after cutting, and meanwhile, when the blade groove 6 is arranged at the connecting part of the first closing part 2 and the second closing part 5, the thickness during cutting can be increased due to the fact that the surfaces of the first closing part 2 and the second closing part 5, which are used for contacting the cavity channel, are not on the same plane, and meanwhile, the surface area of the cut can be increased; if the blade groove 6 is arranged on the second closing part 5, the suturing part on the cavity channel corresponding to the first closing part 2 is far away from the incision of the cavity channel, and the blood vessel of the suturing part is not closed from the incision, so that the blood loss after the cavity channel is cut and sutured is increased, and the cavity channel is not beneficial to suturing; the push slot is arranged on the first closing part 2 and between the second closing part 5 and the first placing hole 4, which can solve the defect that the blade slot 6 is arranged at the joint of the first closing part 2 and the second closing part 5 or on the second closing part 5.

The above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.