CN215273102U

CN215273102U - Hemostatic sheath and novel hemostatic device

Info

Publication number: CN215273102U
Application number: CN202022545867.9U
Authority: CN
Inventors: 刘德鹏; 刘文斌; 薛利刚; 曾家宝
Original assignee: Huarong Kechuang Biotechnology Tianjin Co ltd
Current assignee: Huarong Kechuang Biotechnology Tianjin Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-12-24
Anticipated expiration: 2030-11-06

Abstract

The utility model provides a hemostatic sheath and a novel hemostatic device, the hemostatic sheath comprises a first end cover, a second end cover and a sealing gasket arranged between the first end cover and the second end cover, the sealing gasket is a curved surface structure with the center pointing to one side of the first end cover, a through cross seam is arranged in the middle of the sealing gasket, and the curved surface structure of the non-return seam is made of elastic material; the novel hemostasis device comprises the hemostasis sheath, a bandage component and a one-way valve component; the binding belt component comprises an inflating nozzle, a first PU film and a second PU film; the utility model aims at providing a hemostasis sheath and a novel hemostasis device to avoid the condition that the people easily causes vascular damage or dynamics undersize to lead to leaking blood according to the pressure degree is too big, and can alleviate medical personnel working strength, reduce the medical personnel quantity of implementing the operation.

Description

Hemostatic sheath and novel hemostatic device

Technical Field

The utility model belongs to the field of medical equipment, especially, relate to a hemostasis sheath and a novel hemostasis device.

Background

The anastomat is the first example stitching instrument in the world, is used for gastrointestinal anastomosis for nearly a century, is a device used in medicine for replacing the traditional manual stitching, is reliable in quality, convenient to use, tight and proper in tightness, particularly has the advantages of being fast in stitching, simple and convenient to operate, few in side effects and operation complications and the like due to the development of modern science and technology and the improvement of manufacturing technology, and is widely favored and advocated by clinical surgeons at home and abroad.

When the anastomat is adopted to carry out vascular repair reconstruction operation, various anastomoses and repair forming of blood vessels are mainly involved, when the side wall of a large-diameter blood vessel is opened and before a hemostasis device is implanted, generally, a doctor presses the hemostasis by fingers or a traditional hemostasis guide sleeve, the force can not be kept unchanged all the time in the pressing process due to human reasons, blood vessel damage can be easily caused if the force is too high, blood leakage can be easily caused if the force is too low, and the fingers of the doctor need to be kept still all the time, so the next step of operation action can be completed by another person, and the number of the operation people is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a hemostasis sheath and a novel hemostasis device to avoid the condition that the people easily causes vascular damage or dynamics undersize to lead to leaking blood according to the pressure intensity is too big, and can alleviate medical personnel working strength, reduce the medical personnel quantity of implementing the operation.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a hemostasis sheath, includes first end cover, second end cover and sets up the sealed pad between first end cover and second end cover, and first end cover, second end cover are the tourus of middle part fretwork, be provided with the curved surface structure of the directional first end cover one side in center on the sealed pad, sealed pad middle part is provided with the cross seam that link up, the curved surface structure is the elasticity material.

A novel hemostasis device comprises the hemostasis sheath, a bandage component and a one-way valve component; bandage subassembly includes charging connector, first PU membrane and second PU membrane, and second PU membrane parcel blood vessel is outside, and first PU membrane and second PU membrane interconnect constitute the plenum space, and first PU membrane is equipped with charging connector 9, charging connector with check valve subassembly passes through inflation channel intercommunication.

Furthermore, the bandage component also comprises a buckle and a fastener, the buckle radially wraps the outer circumference of the blood vessel, and the buckle is provided with the first PU film and the second PU film; the fastener is connected with the first end cover and comprises a connecting plate, a tripping wrench and a buckling opening, wherein the tripping wrench and the buckling opening are arranged on the connecting plate, the tail end of the buckle is provided with a clamping tooth end, and the clamping tooth end is clamped in the buckling opening to form detachable connection.

Furthermore, the check valve component comprises a valve body, a spring and a check valve top core, and the front end of the check valve component is provided with an interface for connecting the inflation and deflation device.

Furthermore, the inflation and deflation device is a manual inflation and deflation device, and structurally comprises an air nozzle, a shell, a piston and a push rod.

Further, the thickness of the second PU film is smaller than that of the first PU film.

Furthermore, a cambered surface protruding towards the blood vessel is arranged on the second PU film.

Furthermore, the buckle is provided with a buckle plate, a first PU film and a second PU film in sequence from outside to inside.

Compared with the prior art, the utility model discloses a hemostasis sheath and a novel hemostasis device have following advantage:

the utility model is suitable for the hemostasis treatment after the opening of the side wall of the blood vessel in the anastomosis process of the proximal aortic blood vessel end side, a hemostasis sheath is opened through the elastic action of a sealing gasket, and when the cutting knife is withdrawn, the bottom surface of the sealing gasket can compress the cross seam to be closed to realize hemostasis due to the blood action; a novel hemostasis device is wound around a to-be-sealed blood vessel through a bandage component for fixation, the bandage component is composed of two layers of PU films, the second PU film is thick, the first PU film is thin, when the bandage component is inflated, the total length of the second PU film is unchanged, the first PU film can expand inwards due to the thin thickness, and the blood vessel is gradually extruded to be close to the bottom of the sealing component and is tightly attached to the bottom of the sealing component; the structure avoids the condition of blood leakage caused by blood vessel operation or too small force due to too large artificial pressing force, and reduces the number of operators.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a hemostatic sheath according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the novel hemostatic device according to the embodiment of the present invention;

fig. 3 is a schematic view of a state of use of the novel hemostatic device according to an embodiment of the present invention;

FIG. 4 is a schematic view of a sealing gasket according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a closed state of the check valve according to the embodiment of the present invention;

fig. 6 is a structural schematic view of the one-way valve in an inflation or deflation state according to the embodiment of the present invention;

fig. 7 is a schematic structural view of an air inflation/deflation device according to an embodiment of the present invention.

Description of reference numerals:

1-a second end cap; 2-a sealing gasket; 3-a first end cap; 4-a cross seam; 5-curved surface structure; 6-a one-way valve assembly; 7-ring buckling; 8-a first PU film; 9-an inflating valve; 10-a second PU film; 11-blood vessel; 12-an air-filled space; 13-an inflation channel; 14-a trip wrench; 15-a connecting plate; 16-a fastening opening; 17-a latch end; 201-a valve body; 202-a spring; 203-one-way valve top core; 204-interface; 301-air tap; 302-a housing; 303-a piston; 304-push rod.

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.

As shown in fig. 1, a hemostatic sheath comprises a first end cover 3, a second end cover 1 and a sealing gasket 2 arranged between the first end cover and the second end cover, wherein the first end cover 3 and the second end cover 1 are ring bodies with hollow-out middle parts, a curved surface structure 5 with a center pointing to one side of the first end cover 3 is arranged on the sealing gasket 2, a through cross seam 4 is arranged in the middle of the sealing gasket 2, and the curved surface structure 5 is made of an elastic material. Wherein sealed pad is respectively cut a sword with the vertical direction by the blade in the positive and negative both sides in central authorities, when the cutting knife forward inserts, sealed pad opens because of the elastic action this moment, and when the cutting knife back of withdrawing from, sealed pad bottom surface can compress tightly cross seam department and closed realization hemostasis because the blood effect this moment.

As shown in fig. 2-6, a novel hemostatic device comprises the hemostatic sheath, a bandage component and a one-way valve component 6; bandage subassembly includes charging connector 9, first PU membrane 8 and second PU membrane 10, and second PU membrane 10 parcel blood vessel 11 is outside, and first PU membrane 8 and second PU membrane 10 interconnect constitute inflatable space 12, and first PU membrane 8 is equipped with charging connector 9, charging connector 9 with check valve subassembly 6 communicates through inflation channel 13. When the limb of the patient is in heavy bleeding, the inflation and deflation device is used for inflating the inflation space through the inflation nozzle, and the second PU film 10 is inflated to expand and tighten the blood vessel 11 so as to prevent the blood from flowing; the bandage component consisting of two layers of PU films makes the bandage component expand inwards, gradually extrudes the blood vessel to close to the bottom of the sealing component and is tightly attached, thereby realizing the fixation of the blood vessel; the bandage assembly and the one-way valve assembly can better fix the blood vessel in the blood vessel hemostasis process.

The bandage component also comprises a buckle 7 and a fastener, the buckle 7 radially wraps the outer circumference of the blood vessel, and the buckle 7 is provided with the first PU film 8 and the second PU film 10; the fastener is connected with the first end cover 3 and comprises a connecting plate 15, a tripping wrench 14 and a buckling opening 16, wherein the tripping wrench 14 and the buckling opening 16 are arranged on the connecting plate 15, the tail end of the buckle 7 is provided with a clamping tooth end 17, and the clamping tooth end 17 is clamped into the buckling opening 16 to form detachable connection. The ring buckle and the reverse buckle can better fix the blood vessel in the blood vessel hemostasis process, the tail end of the ring buckle is assembled in the buckle opening during fixing, and the tail end of the ring buckle of the trip wrench is pushed to withdraw from the buckle opening during releasing the fixing.

The check valve assembly 6 comprises a valve body 201, a spring 202 and a check valve top core 203, and the front end of the check valve assembly 6 is provided with a connector 204 for connecting an inflation and deflation device. The structure of the inflation and deflation device and the one-way valve assembly adopts the prior art, the inflation and deflation device adopts a manual inflation device, and the structure mainly comprises an air tap 301, a shell 302, a piston 303 and a push rod 304; when in use, the air tap 301 of the air charging and discharging device is pressed against the interface of the one-way valve assembly, and the push rod 304 is repeatedly pushed and pulled to charge air; when in deflation, the air tap 301 pushes open the one-way valve top core 203 to deflate; the inflation or deflation of the inflation space by the inflation and deflation device through the one-way valve assembly is realized.

Thickness of the second PU film 10 the thickness of the first PU film 8 is less than; the second PU film 10 is provided with a cambered surface protruding towards the blood vessel; the buckle 7 is sequentially provided with a buckle plate 18, a first PU film 8 and a second PU film 10 from outside to inside; the inward expansion of the bandage component is better realized during inflation, so that the second PU film 10 gradually extrudes the blood vessel to close to the bottom of the sealing component and is tightly attached, thereby realizing the fixation of the blood vessel;

the utility model discloses a theory of operation is: the bandage component is used for being wound around a to-be-sealed blood vessel for fixation, the bandage component is composed of two layers of PU films, the second PU film is thick, the first PU film is thin, the periphery of the PU film is heat-sealed by equipment to ensure sealing, an inflating nozzle can be arranged in the connecting area of the first PU film 8 or the first PU film 8 and the second PU film 10, when the bandage component is inflated, the first PU film can expand inwards due to the thin thickness, and the blood vessel is gradually extruded to be close to the bottom of the sealing component and tightly attached to the bottom of the sealing component; the structure avoids the condition of blood leakage caused by blood vessel operation or too small force due to too large artificial pressing force, and reduces the number of operators.

The utility model discloses a use method is: before the trompil, with the bandage subassembly along blood vessel around a week after automatic the knot pin, aerify in the bandage subassembly through check valve subassembly with inflating the gassing device, until hemostasis guide pin bushing bottom with wait to cut the position and paste tightly completely, carry out the trompil after inserting the cutting knife along hemostasis guide pin bushing top through the sealing pad this moment, then implant the inside back of trompil with umbelliform haemostat, utilize and fill the gassing device and demolish behind the gassing to the bandage subassembly by check valve subassembly.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hemostatic sheath, comprising: including first end cover (3), second end cover (1) and set up sealed pad (2) between first end cover and second end cover, first end cover (3), second end cover (1) are the tourus of middle part fretwork, be provided with curved surface structure (5) of directional first end cover (3) one side in center on sealed pad (2), sealed pad (2) middle part is provided with cross seam (4) that link up, curved surface structure (5) are the elasticity material.

2. A novel hemostasis device is characterized in that: comprising the hemostatic sheath of claim 1, further comprising a strap assembly and a one-way valve assembly (6); bandage subassembly includes charging connector (9), first PU membrane (8) second PU membrane (10), and second PU membrane (10) parcel blood vessel is outside, and first PU membrane (8) and second PU membrane (10) interconnect constitute inflatable space (12), and first PU membrane (8) are equipped with charging connector (9), charging connector (9) with check valve subassembly (6) are through inflating passageway (13) intercommunication.

3. The novel hemostatic device of claim 2, wherein: the bandage component also comprises a buckle (7) and a fastener, the buckle (7) radially wraps the outer circumference of the blood vessel, and the buckle (7) is provided with the first PU film (8) and the second PU film (10); the fastener is connected with the first end cover (3) and comprises a connecting plate (15), a tripping wrench (14) and a buckling opening (16), wherein the tripping wrench and the buckling opening are arranged on the connecting plate (15), the tail end of the buckle (7) is provided with a clamping tooth end (17), and the clamping tooth end (17) is clamped into the buckling opening (16) to form detachable connection.

4. The novel hemostatic device of claim 2, wherein: the check valve assembly (6) comprises a valve body (201), a spring (202) and a check valve top core (203), and the front end of the check valve assembly (6) is provided with an interface (204) for connecting an inflation and deflation device.

5. The novel hemostatic device of claim 4, wherein: the inflation and deflation device 204 is a manual inflation and deflation device and structurally comprises an air nozzle (301), a shell (302), a piston (303) and a push rod (304).

6. The novel hemostatic device of claim 2, wherein: the thickness of the second PU film (10) is smaller than that of the first PU film (8).

7. The novel hemostatic device of claim 2, wherein: the second PU film (10) is provided with a cambered surface protruding towards the blood vessel.

8. A novel hemostatic device according to claim 3, wherein: the buckle (7) is provided with a buckle plate, a first PU film (8) and a second PU film (10) from outside to inside in sequence.