CN211094400U - Pouch anastomat and clamp structure thereof - Google Patents
Pouch anastomat and clamp structure thereof Download PDFInfo
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- CN211094400U CN211094400U CN201921029164.1U CN201921029164U CN211094400U CN 211094400 U CN211094400 U CN 211094400U CN 201921029164 U CN201921029164 U CN 201921029164U CN 211094400 U CN211094400 U CN 211094400U
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Abstract
The utility model discloses a pouch anastomat and a clamp structure thereof, which comprises a left clamp and a right clamp which are hinged and connected, and a jaw which is formed at the same end part of the left clamp and the right clamp; the jaws of the left clamp and the right clamp respectively comprise a base body and wing parts which are integrally formed with two end parts of the base body in the width direction and are bent relative to the base body; the base bodies of the left clamp and the right clamp are respectively provided with clamp teeth suitable for mutual occlusion; and a suture hole suitable for a suture needle to pass through is arranged on the forceps tooth along the length direction of the basal body; and an arc needle-threading channel communicated with the suture hole is arranged inside the wing part. When using the utility model discloses a during the purse-string anastomat, the design of arc needle threading passageway makes the suture needle when inserting the suture hole of pincers tooth, need not insert for the angle of parallel pincers tooth, to the less human position in usage space, can improve the smooth and easy degree of sewing up the needle and inserting.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a pouch anastomat and clamp structure thereof.
Background
The pouch anastomat is a surgical instrument commonly used in gastrointestinal surgery, and is commonly used for pouch suture of stomach, esophagus, stadium and the like. The pouch anastomat generally comprises a jaw, a jaw handle and a jaw tooth arranged on the jaw, during the chest and gastrointestinal surgical operation, the jaw is firstly used for clamping tissues, the tissues can be naturally clamped at the jaw tooth of the jaw, then a pouch needle is inserted into the jaw tooth, and after the jaw tooth is loosened, a suture line is pulled to carry out pouch suture. The pouch anastomat is used for pouch suture of organs such as stomach, esophagus and stadium, and the pouch anastomat has the advantages of convenience and high efficiency in operation.
In the pouch stapler disclosed in the prior art, for example, with the publication number CN201642160U, the forceps holder is provided with a non-invasive tooth-shaped suture slot and an H-shaped suture slot, and the slot of the H-shaped suture slot and the non-invasive tooth-shaped suture slot are in a parallel relationship, while in the use process of the pouch stapler, the slot of the H-shaped suture slot is mainly used for inserting a suture needle, so that the suture operation of human tissues is realized along the H-shaped suture slot after the suture needle is inserted from the slot of the H-shaped suture slot. The structure that the slot of the H-shaped suture slot and the non-invasive tooth form in the pouch stapler disclosed by the structure CN201642160U are in parallel relation makes the suture needle need to realize a parallel angle relative to the non-invasive tooth form when being inserted into the slot of the H-shaped suture slot, that is, the suture needle is inserted into the slot of the H-shaped suture slot at a vertical angle relative to the hinge joint of the handles, such a use angle has a problem of large occupied space when the whole pouch stapler is combined with the suture needle for operation, but for the thoracic cavity or trachea inside the human body, the space for suture operation is limited, and the operation that the suture needle is inserted into the slot of the H-shaped suture slot at a vertical angle relative to the hinge joint of the handles is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The first objective of the present invention is to provide a clamp structure of a pouch stapler to solve the technical problem of the pouch stapler that the insertion smoothness of the suture needle is improved in the limited environment of the usage space
The second objective of the present invention is to provide a pouch stapler to solve the technical problem of the pouch stapler that improves the insertion smoothness of the suture needle in the environment with limited usage space.
The utility model discloses a clamp structure of pouch anastomat is realized like this:
a jaw structure of a pouch stapler, comprising: the left clamp and the right clamp are connected in an articulated mode, and the jaw is formed at one same end of the left clamp and the right clamp; wherein
The jaws of the left clamp and the right clamp respectively comprise a base body and wing parts which are integrally formed with two end parts of the base body in the width direction and are bent relative to the base body; the wing parts are bent towards the handle part of the pouch anastomat;
the base bodies of the left clamp and the right clamp are respectively provided with clamp teeth suitable for mutual occlusion; a suture hole suitable for a suture needle to pass through is arranged on the forceps tooth along the length direction of the basal body; and
an arc needle threading channel communicated with the suture holes is arranged inside the wing parts, one end of the arc needle threading channel is connected with the suture holes, and the included angle H of the other end of the arc needle threading channel relative to the forceps teeth ranges from 90 degrees to 120 degrees.
In a preferred embodiment of the present invention, the wing portion is of an arc structure, and an end surface of the wing portion facing away from the external side of the pincer teeth is a smooth arc surface.
In a preferred embodiment of the present invention, a slot adapted to communicate with the suture hole is formed at one side end of the base body of the left clamp facing the right clamp; and
and one side end of the clamp tooth of the base body of the right clamp, which faces the left clamp, is provided with a notch suitable for being communicated with the suture hole.
The utility model discloses a pouch anastomat realizes like this:
a pouch stapler, comprising: the clamp structure, and the handle portion that is equipped with in the one end of keeping away from the keeping silent of left clamp of clamp structure and right clamp.
In a preferred embodiment of the present invention, the left clamp and the right clamp are formed by mirror image, and both the left clamp and the right clamp include a first clamp portion close to the handle portion, a second clamp portion integrally bent with the first clamp portion, and a third clamp portion integrally bent with the second clamp portion;
the jaw is positioned at the end part of the third clamping part far away from the second clamping part; the third clamping part is a minor arc-shaped clamping part; the plane of the clamp teeth is perpendicular to the plane of the left clamp and the right clamp.
In the preferred embodiment of the present invention, the minor arc-shaped clamping portion occupies 1/4-1/2 of the semi-circular arc structure.
In a preferred embodiment of the present invention, a side end surface of the second clamping portion and the third clamping portion, which is far away from the jaw, is a smooth arc surface; and
the side end face, far away from the jaw, formed by the second clamping part and the first clamping part is a smooth cambered surface.
In a preferred embodiment of the present invention, the included angle between the second clamping portion and the proximal side of the first clamping portion is 135-150 degrees.
In a preferred embodiment of the present invention, the second clamping portion is adapted to be perpendicular to a plane in which the clamping teeth are located.
In a preferred embodiment of the present invention, the second clamping portion has a minor arc structure; and
the inferior arc structure accounts for 1/6-1/5 of the semi-arc structure.
By adopting the technical scheme, the utility model discloses following beneficial effect has: the utility model discloses a pouch anastomat and clamp structure thereof, use the utility model discloses a during the pouch anastomat was used for the operation, the suture needle was kept away from the one end of sewing up the hole from arc needle threading passageway and is passed the arc needle threading passageway earlier and then insert the suture hole of pincers tooth, and because the one end that the arc needle threading passageway was kept away from the suture hole is 90 ~ 120 for the scope of the contained angle H of pincers tooth, such angle design for the suture needle is when inserting the suture hole of pincers tooth, do not need to insert for the angle of parallel pincers tooth, to the less human position of usage space such as trachea, can improve the smooth and easy degree of sewing up the needle and inserting. And just to the utility model discloses a wing portion is towards handle portion direction bending type, that is to say that the arc is worn the needle passageway and is kept away from the one end (the socket when sewing needle inserts) of sewing hole towards handle portion, such design to doctor in the operation process, only need along handle portion the direction will sew up the needle insert can, need not make the sewing needle insert for handle position vertical direction, holistic operation has improved the convenient high efficiency that the doctor used like this.
Furthermore, due to the arrangement of the minor arc-shaped clamp part, compared with the clamp with a straight structure in the prior art, the minor arc-shaped clamp part can more smoothly pass through a channel which is built in a human body and is suitable for an instrument to pass through, and the natural physiological curve of the minor arc-shaped clamp part and the tissue of the human body presents a better anastomosis effect, so that the smoothness of the pouch stapler in the operation process is improved.
Drawings
Fig. 1 is a schematic structural diagram of a first view angle of a clamp structure of a pouch stapler according to the present invention;
fig. 2 is a schematic structural diagram of a second view angle of the clamp structure of the pouch stapler according to the present invention;
fig. 3 is a first view structural diagram of a jaw of one of the clamps of the clamp structure of the pouch stapler according to the present invention;
fig. 4 is a second view structure diagram of the jaw of one of the clamps of the clamp structure of the pouch stapler according to the present invention;
fig. 5 is a schematic structural view of a first viewing angle of the pouch stapler according to the present invention;
fig. 6 is a schematic structural view of a second viewing angle of the pouch stapler of the present invention;
fig. 7 is a schematic structural diagram of a third viewing angle of the pouch stapler of the present invention.
In the figure: the left clamp 1, the right clamp 2, the handle part 3, the clamp teeth 5, the first clamp part 6, the second clamp part 7, the third clamp part 8, the base body 101, the wing part 102, the arc needle threading channel 103, the suture hole 105, the notch 107 and the arc notch 108.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
Example 1:
referring to fig. 1 to 4, the present embodiment provides a clamp structure of a pouch stapler, including: the left clamp 1 and the right clamp 2 are connected in an articulated manner, and a jaw is formed at one same end of the left clamp 1 and the right clamp 2; the jaws of the left clamp 1 and the right clamp 2 comprise a base 101 and wing parts 102 which are integrally formed with two end parts of the base 101 in the width direction and are bent relative to the base 101; the wing portions 102 are bent toward the handle portion 3 of the purse-string stapler.
The base bodies 101 of the left clamp 1 and the right clamp 2 are respectively provided with clamp teeth 5 which are suitable for mutual occlusion; a suture hole 105 adapted to pass a suture needle is formed through the forceps tooth 5 along the longitudinal direction of the base 101; a notch 107 suitable for being communicated with the suture hole 105 is arranged at one side end of the forceps tooth 5 of the basal body 101 of the left forceps 1 facing the right forceps 2; and one side end of the jaw 5 of the base body 101 of the right clamp 2, which faces the left clamp 1, is provided with a notch 107 which is suitable for being communicated with the suture hole 105, so that in the process of occluding the jaw 5 of the left clamp 1 and the right clamp 2, the tissue of the human body clamped by the jaw 5 can be squeezed into the suture channel through the notch 107, and the suture needle threading operation of the tissue of the human body squeezed into the suture channel is facilitated.
An arc needle passing channel 103 communicated with the suture hole 105 is arranged inside the wing part 102, one end of the arc needle passing channel 103 is connected with the suture hole 105, the included angle H of the other end of the arc needle passing channel 103 relative to the forceps teeth 5 ranges from 90 degrees to 120 degrees, and the other end of the arc needle passing channel 103 is the inlet part 110 when the suture needle is inserted. When the suture needle is inserted into the suture hole 105 of the forceps teeth 5, the suture needle does not need to be inserted at an angle relative to the parallel forceps teeth 5, and the smoothness of the insertion of the suture needle can be improved for a human body part with a small use space, such as an air tube. And to the utility model discloses a wing portion 102 is towards handle portion 3 direction bending, that is to say that the arc needle passageway 103 is kept away from the one end (the socket when the sewing needle inserts) of sewing hole 105 towards handle portion 3, such design, to the doctor in the operation process, only need along handle portion 3 the direction with the sewing needle insert can, need not make the sewing needle insert for handle portion 3 bit vertical direction, the convenient high efficiency that the doctor used has been improved in holistic operation like this.
Specifically, as is common in the art for the forceps teeth 5 on the base 101, the forceps teeth 5 include a plurality of atraumatic teeth spaced apart along the length of the base 101 and having suture holes 105 disposed therein, and for the plurality of atraumatic teeth along the length of the base 101, each atraumatic tooth includes suture holes 105 adapted to form a suture pathway for movement of a suture needle extending along the length of the base 101.
It should be noted here that, for the wing parts 102 of the left clamp 1 and the right clamp 2, the end surfaces of the wing parts 102 opposite to each other are provided with arc-shaped notches 108 which are communicated with the arc-shaped needle threading channel 103, and the notches 107 and the arc-shaped notches 108 cooperate with each other to realize that the left clamp 1 and the right clamp 2 can be separated from the human tissue on which the suture needle is worn by the operation of relative opening after the suture needle threading process is completed on the human tissue, so as to facilitate the retraction and pulling of the suture thread on the human tissue on which the suture needle is worn.
Of course, it should be further noted that, the suture holes 105 and the notches 107 on the forceps teeth 5 of the left forceps 1 and the right forceps 2 are both symmetrical structures; similarly, the arc-shaped needle passing channel 103 and the arc-shaped notch 108 on the wing part 102 of the left clamp 1 and the right clamp 2 are also symmetrical structures.
In an optional case, the wing part 102 is of an arc-shaped structure, and the end surface of the wing part 102, which is away from the forceps teeth 5, is a smooth arc surface, and the wing part 102 of the arc-shaped structure and the smooth arc surface of the outer side of the wing part 102 can improve the smoothness of the whole pouch stapler during the insertion process into the human tissue, and reduce the damage to the human tissue. Of course, the wing portion 102 may have other structures, as long as the arc-shaped needle passing channel 103 inside the wing portion 102 is ensured to have an arc-shaped structure, and the included angle H between one end of the arc-shaped needle passing channel 103 away from the suture hole 105 and the forceps teeth 5 is in the range of 90-120 °, which satisfies that the suture needle can be inserted along the direction of the handle portion 3 during the use of the pouch stapler of the present embodiment, and the suture needle does not need to be inserted in the direction perpendicular to the handle portion 3.
Example 2:
referring to fig. 1 to 7, on the basis of the clamp structure of the pouch stapler of embodiment 1, the present embodiment provides a pouch stapler, which includes the clamp structure of embodiment 1, and a handle portion 3 disposed at one end of the left clamp 1 and the right clamp 2 of the clamp structure, which is far away from the jaws.
Specifically, the left clamp 1 and the right clamp 2 are formed by mirror image, and the left clamp 1 and the right clamp 2 each include a first clamp portion 6 close to the handle portion 3, a second clamp portion 7 integrally bent with the first clamp portion 6, and a third clamp portion 8 integrally bent with the second clamp portion 7; the jaw is positioned at the end part of the third clamping part 8 far away from the second clamping part 7; the third clamp portion 8 is a minor arc clamp portion (the circular arc specifically refers to a portion between any two points on a circle, called a circular arc for short, and the two end points of any diameter of the circle divide the circle into two arcs, wherein the two arcs are larger than a semicircle called a major arc and smaller than the semicircle called a minor arc, and specifically see the explanation of hundred-degree encyclopedia about the circular arc).
For the third clamping part 8 in the embodiment, specifically, the minor arc-shaped clamping part accounts for 1/4-1/2 of the semicircular structure, so that the minor arc-shaped clamping part in the range limits the bending angle of the third clamping part 8, and the bending angle is mainly designed correspondingly according to the physiological curve of human tissue, so as to improve the convenience and high efficiency of the use of the pouch stapler in the operation process.
In view of avoiding the damage to the tissue caused by the pouch stapler during the use process, the side end faces of the second clamping part 7 and the third clamping part 8 far away from the jaws are preferably smooth cambered surfaces in the present embodiment. Similarly, the side end face, far away from the jaw, formed by the second clamping part 7 and the first clamping part 6 is a smooth arc surface.
In order to facilitate the opening and occluding operations of the forceps teeth 5 at the jaw parts of the first forceps part 6 of the left and right forceps 1 and 2 through the handle part 3, the included angle of the second forceps part 7 and the first forceps part 6 on the side close to the jaw part is 135-150 degrees. And, optionally, the second jaw portion 7 is adapted to be perpendicular to the plane of the teeth 5. In this case, the left and right integrated forceps 1 and 2 can satisfy both the improvement of the fit with the passage established in the human body and the improvement of the convenience of the operation of opening and occluding the forceps teeth 5.
Example 3:
the pouch stapler according to the present embodiment is substantially the same as the pouch stapler according to embodiment 1 in structure, except that the second jaw 7 of the pouch stapler according to the present embodiment has a minor arc structure, and the minor arc structure accounts for 1/6 to 1/5 of the semicircular arc structure. The angled second jaw portion 7 provides a smooth transition from the first jaw portion 6 to the third jaw portion 8, and fits into the channel created in the body, and facilitates the opening and engagement of the teeth 5 of the left and right jaws 1, 2 by the handle portion 3.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment 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.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A clamp structure of a pouch anastomat is characterized by comprising: the left clamp and the right clamp are connected in an articulated mode, and the jaw is formed at one same end of the left clamp and the right clamp; wherein
The jaws of the left clamp and the right clamp respectively comprise a base body and wing parts which are integrally formed with two end parts of the base body in the width direction and are bent relative to the base body; the wing parts are bent towards the handle part of the pouch anastomat;
the base bodies of the left clamp and the right clamp are respectively provided with clamp teeth suitable for mutual occlusion; a suture hole suitable for a suture needle to pass through is arranged on the forceps tooth along the length direction of the basal body; and
an arc needle threading channel communicated with the suture holes is arranged inside the wing parts, one end of the arc needle threading channel is connected with the suture holes, and the included angle H of the other end of the arc needle threading channel relative to the forceps teeth ranges from 90 degrees to 120 degrees.
2. The clamp structure of the pouch anastomat according to claim 1, wherein the wing part is of an arc-shaped structure, and the end surface of the wing part, which is far away from the outer side of the clamp tooth, is a smooth arc surface.
3. The clamp structure of the pouch anastomat as claimed in any one of claims 1 or 2, wherein one side end of the clamp tooth of the base body of the left clamp towards the right clamp is provided with a notch suitable for being communicated with the suture hole; and
and one side end of the clamp tooth of the base body of the right clamp, which faces the left clamp, is provided with a notch suitable for being communicated with the suture hole.
4. A pouch stapler, comprising: a clamp structure as claimed in any one of claims 1 to 3, and handle portions provided at ends of the left and right clamps of the clamp structure remote from the jaws.
5. The pouch stapler of claim 4, wherein the left and right jaws are mirror-shaped, and each of the left and right jaws includes a first jaw portion proximate the handle portion, a second jaw portion integrally bent with the first jaw portion, and a third jaw portion integrally bent with the second jaw portion;
the jaw is positioned at the end part of the third clamping part far away from the second clamping part; the third clamping part is a minor arc-shaped clamping part; the plane of the clamp teeth is perpendicular to the plane of the left clamp and the right clamp.
6. The pouch stapler of claim 5, wherein the minor arc shaped jaws occupy 1/4-1/2 of a semi-circular arc configuration.
7. The pouch stapler according to any one of claims 5 or 6, wherein the side end faces, away from the jaws, formed by the second and third clamp portions are smooth cambered surfaces; and
the side end face, far away from the jaw, formed by the second clamping part and the first clamping part is a smooth cambered surface.
8. The pouch stapler according to claim 7, wherein the angle between the proximal jaw side formed by the second jaw portion and the first jaw portion is 135-150 degrees.
9. The pouch stapler of claim 8, wherein the second jaw portion is adapted to be perpendicular to a plane in which the jaw teeth lie.
10. The pouch stapler of claim 8, wherein the second jaw portion is a minor arc structure; and
the inferior arc structure accounts for 1/6-1/5 of the semi-arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029164.1U CN211094400U (en) | 2019-07-03 | 2019-07-03 | Pouch anastomat and clamp structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921029164.1U CN211094400U (en) | 2019-07-03 | 2019-07-03 | Pouch anastomat and clamp structure thereof |
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| Publication Number | Publication Date |
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| CN211094400U true CN211094400U (en) | 2020-07-28 |
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| CN201921029164.1U Active CN211094400U (en) | 2019-07-03 | 2019-07-03 | Pouch anastomat and clamp structure thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301954A (en) * | 2019-07-03 | 2019-10-08 | 常州市久成电子设备有限公司 | String suture stapling device and its clamp structure |
-
2019
- 2019-07-03 CN CN201921029164.1U patent/CN211094400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301954A (en) * | 2019-07-03 | 2019-10-08 | 常州市久成电子设备有限公司 | String suture stapling device and its clamp structure |
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Address after: No.8 Heng'an Road, dongqingheping Industrial Park, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province Patentee after: CHANGZHOU JIUCHENG ELECTRONIC EQUIPMENT Co.,Ltd. Address before: 213111 8 East Heng Industrial Circle Heng Heng Road, Zhenglu Town, Tianning District, Changzhou, Jiangsu Patentee before: CHANGZHOU JIUCHENG ELECTRONIC EQUIPMENT Co.,Ltd. |