CN211300173U

CN211300173U - Disposable micro-vessel arteriovenous integrated double clamp

Info

Publication number: CN211300173U
Application number: CN201921298633.XU
Authority: CN
Inventors: 于庆田; 刘文斌; 李文广; 蔡新海; 吴朝阳
Original assignee: Huarong Kechuang Biotechnology Tianjin Co ltd
Current assignee: Huarong Kechuang Biotechnology Tianjin Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-08-21
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a disposable integrated double clamp for arteriovenous, which comprises a shaft lever, an artery clamp body and a vein clamp body, wherein the artery clamp body and the vein clamp body are arranged on the shaft lever side by side and can move along the axial direction of the shaft lever, so that a larger operation space can be reserved for a doctor to construct an outer vascular membrane for the earlier stage treatment of vascular anastomosis; then, the artery clamp body and the vein clamp body are pulled close, so that the blood vessels at the two side broken ends are pulled close, the blood vessel tension during the blood vessel suture is reduced, and the blood vessels are easier to be anastomosed; the utility model discloses simple structure is practical, and the medical personnel of being convenient for fix the blood vessel and carry out the blood vessel and sew up, one side artery, one side vein make things convenient for medical personnel to use, greatly reduced medical personnel's working strength and the degree of difficulty.

Description

Disposable micro-vessel arteriovenous integrated double clamp

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to integrative two clamps of disposable capillary artery and vein.

Background

The blood vessels of the human body are communicated with each other through the artery-capillary-vein, and the blood vessels can be directly communicated with each other between the artery, the vein and the vein, even between the artery and the vein, so that the blood vessel anastomosis is formed. At many parts in the body, such as finger tip, toe end, lip, nose, external ear skin, genital erectile tissue, etc., arterioles and venules can be directly connected by blood vessel branches to form arteriovenous anastomosis, which has the functions of shortening circulation path, regulating local blood flow and body temperature. When the microvessels are anastomosed in a clinical microsurgery, one end of the microvessels needs to be temporarily blocked by an artery, and the other end of the microvessels needs to be temporarily blocked by a vein. If a single clamp is used to block blood flow, the blood vessel is too far away or mixed, which affects the operation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a disposable integrative double-layered of microvessel artery and vein can adjust the distance between the artery clamp body and the vein clamp body at will, one side artery, one side vein make things convenient for medical personnel to use.

Disposable integrative double-clip of microvessel artery and vein includes: the artery clamp body and the vein clamp body are arranged side by side on the shaft rod and can move axially along the shaft rod, the artery clamp body comprises an artery upper clamping rod, an artery lower clamping rod and a first torsion spring, the first torsion spring is arranged on the artery upper clamping rod and between the artery lower clamping rods, the vein clamp body comprises a vein upper clamping rod, a vein lower clamping rod and a second torsion spring, and the second torsion spring is arranged on the vein upper clamping rod and between the vein lower clamping rods.

According to the preferable technical scheme, the cross section of the shaft rod is semicircular, and the holes for connecting the artery upper clamping rod and the vein upper clamping rod with the shaft rod are semicircular correspondingly.

Above technical scheme is preferred, the clamping part of clamping bar under the artery and the clamping part of clamping bar are the plane that can laminate each other on the artery.

Above technical scheme is preferred, the clamping part of clamping bar on the vein with the clamping part of clamping bar is the plane that can laminate each other under the vein.

Preferably, in the above technical solution, the clamping portion of the artery lower clamping bar is provided with a lower groove, a first protrusion is arranged in the lower groove, and the surface of the first protrusion is flush with the surface of the clamping portion of the artery lower clamping bar.

Above technical scheme is preferred, the clamping bar on the artery the clamping part is equipped with the upper groove, it is protruding to be equipped with the second in the upper groove, the bellied surface of second with the clamping bar on the artery the surface parallel and level of clamping part.

Preferably, in the above technical solution, the clamping portion of the lower vein clamping bar is provided with a lower groove, a third protrusion is provided in the lower groove, and a surface of the third protrusion is flush with a surface of the clamping portion of the lower vein clamping bar.

Above technical scheme is preferred, the clamping bar on the vein the clamping part is equipped with the upper groove, it is protruding to be equipped with the fourth in the upper groove, the bellied surface of fourth with the clamping bar on the vein the surface parallel and level of clamping part.

Above technical scheme is preferred, the both ends of axostylus axostyle are equipped with spacing lug.

Preferably, in the above technical solution, the clamping force of the artery clamp body is greater than the clamping force of the vein clamp body.

The utility model has the advantages and positive effects that: the utility model provides a disposable integrated double clamp for arteriovenous vessels, which comprises a shaft lever, an artery clamp body and a vein clamp body, wherein the artery clamp body and the vein clamp body are arranged on the shaft lever side by side and can move along the axial direction of the shaft lever, so that a larger operation space can be reserved for a doctor to construct an outer vascular membrane for the pretreatment of vascular anastomosis; then, the artery clamp body and the vein clamp body are pulled close, so that the blood vessels at the two side broken ends are pulled close, the blood vessel tension during the blood vessel suture is reduced, and the blood vessels are easier to be anastomosed; the utility model discloses simple structure is practical, and the medical personnel of being convenient for fix the blood vessel and carry out the blood vessel and sew up, one side artery, one side vein make things convenient for medical personnel to use, greatly reduced medical personnel's working strength.

Drawings

Fig. 1 is a schematic structural view of a disposable arteriovenous integrated double clamp according to an embodiment of the present invention.

Wherein: 1. a shaft lever; 2. clamping rods on the arteries; 3. a clamping bar under the artery; 4. a clamping rod is arranged on the vein; 5. a venous lower clamping bar; 6. a clamping portion; 7. a handle portion; 8. a lower groove; 9. a first protrusion; 10. and a third protrusion.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment provides integrative two clamps of disposable microvessel arteriovenous, as shown in fig. 1, including axostylus axostyle 1, artery clamp and vein clamp, the setting that artery clamp and vein clamp were side by side is on axostylus axostyle 1, and the axial displacement of axostylus axostyle 1 just all can be followed to the homoenergetic. The artery clamp body and the vein clamp body can move relatively on the shaft lever 1, so that a larger operation space is reserved for a doctor to construct an adventitia of a blood vessel and perform the pretreatment of blood vessel anastomosis; then the artery clamp body and the vein clamp body are drawn to be close, so that the blood vessels at the two side broken ends are drawn to be close, the blood vessel tension in the blood vessel suture is reduced, and the blood vessels are easier to be anastomosed. The artery clamp body includes that clamping bar 2, artery are down clamping bar 3 and first torsional spring on the artery, and clamping bar 2 and artery are down between clamping bar 3 on the artery are located to first torsional spring, and the vein clamp body includes clamping bar 4 on the vein, clamping bar 5 and second torsional spring under the vein, and the second torsional spring is located on the vein between clamping bar 4 and vein lower clamping bar 5. Specifically, the upper artery clamping rod 2 and the lower artery clamping rod 3 comprise a clamping part 6 at the front end and a handle part 7 at the rear end; two torsion arms of the first torsion spring respectively act on the inner side surface of the handle part 7 of the upper artery clamping rod 2 and the inner side surface of the handle part 7 of the lower artery clamping rod 3, and provide clamping force for the artery clamp body through the elasticity of the first torsion spring; optionally, the superior vein clamping bar 4 and the inferior vein clamping bar 5 comprise a front end clamping part 6 and a rear end handle part 7; the two torsion arms of the second torsion spring act on the inner side surface of the handle part 7 of the vein upper clamping rod 4 and the inner side surface of the handle part 7 of the vein lower clamping rod 5 respectively, and provide clamping force for the vein clamp body through the elasticity of the second torsion spring.

The cross section of the shaft lever 1 is semicircular, and the holes of the arterial upper clamping bar 2 and the venous upper clamping bar 4 connected with the shaft lever 1 are semicircular correspondingly. The semicircular arrangement can prevent the artery clamp body and the vein clamp body from rotating relative to the shaft lever 1, and when clamping a blood vessel, the artery clamp body and the vein clamp body can be prevented from driving the blood vessel to rotate and causing damage to the blood vessel. Optionally, the connecting holes of the artery lower clamping rod 3 and the vein lower clamping rod 5 and the shaft lever 1 are also semicircular correspondingly.

Clamping part 6 of clamping bar 2 and clamping part 6 of clamping bar 3 under the artery on the artery are planar that can laminate each other, make the crimping that clamping bar 2 and artery can match down together on the artery, the centre gripping blood vessel that can be better does not produce extra injury to the blood vessel of centre gripping. The clamping part 6 of the artery lower clamping rod 3 is provided with a lower groove 8, a first bulge 9 is arranged in the lower groove 8, and the surface of the first bulge 9 is flush with the surface of the clamping part 6 of the artery lower clamping rod 3. Through setting up first arch 9, can increase the frictional force between the clamping part 6 of clamping bar 3 under the artery and the blood vessel of pressing from both sides, prevent that the blood vessel from breaking away from in the artery clamp body by accident. In order to further improve the clamping stability, the clamping part 6 of the clamping rod 2 on the artery is provided with an upper groove, a second bulge is arranged in the upper groove, and the surface of the second bulge is flush with the surface of the clamping part 6 of the clamping rod 2 on the artery.

Clamping part 6 of clamping bar 4 on the vein and clamping part 6 of clamping bar 5 under the vein are planar that can laminate each other, and the crimping that clamping bar 4 and clamping bar 5 can match under the vein is in the same place on making the vein, and centre gripping blood vessel that can be better does not produce extra injury to the blood vessel of centre gripping. The clamping part 6 of the vein lower clamping rod 5 is provided with a lower groove 8, a third bulge 10 is arranged in the lower groove 8, and the surface of the third bulge 10 is flush with the surface of the clamping part 6 of the vein lower clamping rod 5. By providing the third protrusion 10, the friction force between the clamping portion 6 of the venous lower clamping rod 5 and the clamped blood vessel can be increased, and the blood vessel can be prevented from being accidentally separated from the venous clamp body. In order to further improve the clamping stability, the clamping part 6 of the vein upper clamping rod 4 is provided with an upper groove, a fourth bulge is arranged in the upper groove, and the surface of the fourth bulge is flush with the surface of the clamping part 6 of the vein upper clamping rod 4.

The both ends of axostylus axostyle 1 are equipped with spacing lug, and the overall dimension of spacing lug is greater than the size that is used for passing the semicircular hole of axostylus axostyle 1 on clamping bar 2 on the artery and the clamping bar 4 on the vein, can prevent that artery clamp and vein clamp from removing and drop from the both ends of axis body. The spacing lug can be circular, semicircular or rectangular and the like, and the utility model discloses do not limit to the concrete shape of spacing lug.

Optionally, the arterial upper clamping bar 2, the arterial lower clamping bar 3, the venous upper clamping bar 4 and the venous lower clamping bar 5 are made of polycarbonate materials, and the shaft lever 1, the first torsion spring and the second torsion spring are made of stainless steel materials.

Because the blood flow velocity in the artery is greater than the blood flow velocity in the vein, in order to achieve a better hemostatic effect, the elastic force of the first torsion spring can be configured to be greater than the elastic force of the second torsion spring, so that the clamping force of the artery clamp body is greater than the clamping force of the vein clamp body. For example, the selected first torsion spring and the second torsion spring are the same in material, pitch diameter, steel wire diameter and thread pitch, only the number of turns is different, the number of turns of the first torsion spring is smaller than that of the second torsion spring, and the clamping force of the artery clamp body can be larger than that of the vein clamp body. In order to distinguish the artery clamp body from the vein clamp body, the surfaces of the artery clamp body and the vein clamp body can be provided with different identification colors.

The integrative two clamps of disposable capillary arteriovenous that this embodiment provided, centre gripping strength is stable and simple structure is practical, and the medical personnel of being convenient for fix the blood vessel and carry out the blood vessel and sew up, has avoided because the unstable incidence of complications such as vascular intimal edema, spasm and thrombus even that leads to of centre gripping strength, and furthest's reduction centre gripping blood vessel causes the vascular wall damage, has improved the little vascular state in the art, has improved the operation success rate.

The working process of the embodiment: the artery clamp body and the vein clamp body are respectively used for clamping an artery blood vessel and a vein blood vessel to be anastomosed, and the artery clamp body and the vein clamp body are mutually moved away, so that a larger operation space is reserved for a doctor to construct an adventitia with anastomosis, and the prophase treatment of blood vessel anastomosis is carried out; after the preliminary treatment is finished, the artery clamp body and the vein clamp body are properly drawn to draw the blood vessels at the two side broken ends, so that the blood vessel tension during the blood vessel suture is reduced, and the anastomosis operation is carried out on the blood vessels.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. Integrative two presss from both sides of disposable microvessel artery and vein, its characterized in that includes: the artery clamp body and the vein clamp body are arranged side by side on the shaft rod and can move axially along the shaft rod, the artery clamp body comprises an artery upper clamping rod, an artery lower clamping rod and a first torsion spring, the first torsion spring is arranged on the artery upper clamping rod and between the artery lower clamping rods, the vein clamp body comprises a vein upper clamping rod, a vein lower clamping rod and a second torsion spring, and the second torsion spring is arranged on the vein upper clamping rod and between the vein lower clamping rods.

2. The disposable arteriovenous integrated double clamp of claim 1 wherein: the cross section of the shaft lever is semicircular, and the holes of the artery upper clamping bar and the vein upper clamping bar, which are connected with the shaft lever, are semicircular correspondingly.

3. The disposable arteriovenous integrated double clamp of claim 2 wherein: the clamping part of the artery upper clamping rod and the clamping part of the artery lower clamping rod are planar and can be attached to each other.

4. The disposable arteriovenous integrated double clamp of claim 1 wherein: the clamping part of the vein upper clamping rod and the clamping part of the vein lower clamping rod are planar and can be attached to each other.

5. The disposable arteriovenous integrated double clamp of claim 3 wherein: the clamping part of the artery lower clamping bar is provided with a lower groove, a first bulge is arranged in the lower groove, and the surface of the first bulge is flush with the surface of the clamping part of the artery lower clamping bar.

6. The disposable arteriovenous integrated double clamp of claim 5 wherein: the clamping part of the clamping bar on the artery is provided with an upper groove, a second bulge is arranged in the upper groove, and the surface of the second bulge is flush with the surface of the clamping part of the clamping bar on the artery.

7. The disposable arteriovenous integrated double clamp of claim 4 wherein: the clamping part of the vein lower clamping rod is provided with a lower groove, a third bulge is arranged in the lower groove, and the surface of the third bulge is flush with the surface of the clamping part of the vein lower clamping rod.

8. The disposable arteriovenous integrated double clamp of claim 7 wherein: the clamping bar on the vein the clamping part is equipped with the upper groove, be equipped with the fourth arch in the upper groove, the bellied surface of fourth with the clamping bar on the vein the surface parallel and level of clamping part.

9. The disposable arteriovenous integrated double clamp of claim 1 wherein: and two ends of the shaft lever are provided with limiting lugs.

10. The disposable arteriovenous integrated double clamp of claim 1 wherein: the clamping force of the arterial clamp body is greater than the clamping force of the venous clamp body.