CN116889445A - Clip device - Google Patents

Abstract

The invention relates to the technical field of medical instruments, in particular to a clip device, which comprises a clip assembly, a connecting assembly and a handle assembly, wherein the clip assembly comprises a clip sleeve and a clip part, a part of the clip part is arranged in the clip sleeve in a penetrating way, the clip part is suitable for opening or closing, and a hook groove is formed in the inner wall of the clip sleeve; the connecting assembly comprises a fixed sleeve, a connecting piece, a clamping piece push rod, a dragline wire and a spring tube, wherein one end of the fixed sleeve is connected with one end of the chuck sleeve, the connecting piece penetrates through the fixed sleeve and partially stretches into the chuck sleeve, one end of the connecting piece is hooked in the hooking groove, the dragline wire is connected with the clamping piece part through the clamping piece push rod, one end of the spring tube is connected with the fixed sleeve, and the dragline wire is sleeved on the spring tube; the handle assembly controls the opening or closing of the clamping piece component through the inhaul cable wire. Through the special structural design of clamping piece push rod, coupling assembling installs convenient with the chuck subassembly, connects reliably, safe and reliable when the chuck subassembly separates.

Description

Clip device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a clip device.

Background

In clinical medicine, a hemostatic clamp is a hemostatic instrument which is guided into a body cavity by using an endoscope and is used, and the principle is that when the hemostatic clamp reaches a target tissue, a tissue wound or a blood vessel is clamped by using the mechanical force action of the clamp to play a hemostatic role. In the related art, the hemostatic clamp comprises a clamp head assembly and a connecting assembly, a wound is clamped through the clamp head assembly, the connecting assembly is used for connecting the clamp head assembly so as to be convenient to operate, after the clamp head assembly clamps the wound, the connecting assembly is required to be operated to be separated from the clamp head assembly, and the connecting structure of the existing connecting assembly and the clamp head assembly is complex and inconvenient to install.

Disclosure of Invention

The present invention is directed to solving at least one of the technical problems existing in the related art. Therefore, the invention provides a clamp device which aims at improving the installation convenience of a chuck assembly and a connecting assembly.

The clip device according to the embodiment of the invention comprises:

the clamping head assembly comprises a clamping head sleeve and a clamping piece component, part of the clamping piece component penetrates through the clamping head sleeve, the clamping piece component is suitable for being mutually opened or closed, and a hook groove is formed in the inner wall of the clamping head sleeve;

the connecting assembly comprises a fixed sleeve, a connecting piece, a clamping piece push rod, a tension cable wire and a spring tube, wherein one end of the fixed sleeve is connected with one end of the clamping head sleeve, the connecting piece penetrates through the fixed sleeve and partially stretches into the clamping head sleeve, one end of the connecting piece is hooked in the hooking groove, the part of the clamping head sleeve is clamped between the connecting piece and the fixed sleeve, the tension cable wire is connected with the clamping piece part through the clamping piece push rod, one end of the spring tube is connected with the fixed sleeve, and the tension cable wire is sleeved by the spring tube;

and the handle assembly is connected to the proximal end of the spring tube and connected with the inhaul cable wire so as to control the clamping piece parts to open or close mutually through the inhaul cable wire, wherein the proximal end is one end close to an operator.

According to the clamp device disclosed by the embodiment of the invention, the clamping piece component is arranged through the clamping head sleeve, so that the opening and the opening or the closing of the clamping piece component are controlled conveniently, and the clamping piece component is suitable for opening or closing, so that a tissue wound or a blood vessel is clamped, and a hemostatic effect is achieved. The fixed sleeve butt is in chuck telescopic one end, and the connecting piece wears to locate the fixed sleeve to hook and establish in couple groove department, by the circumferential displacement of fixed sleeve restriction connecting piece, so that hook establishes in couple groove department better, improves connection stability. And, the part of chuck sleeve centre gripping is between connecting piece and fixed sleeve to improve the connection reliability of coupling assembling and chuck assembly. Simultaneously, the clamping piece component and the inhaul cable wire are connected through the clamping piece push rod, and the clamping piece component can be driven to open or close through the inhaul cable wire. The pull cable wire can pass through the connecting piece and be connected with the clamping piece push rod, that is to say, the pull cable wire wears to locate spring pipe, fixed sleeve and chuck sleeve in proper order to can drive clamping piece part and open or close, the pull cable wire is established to the spring pipe box, in order to protect the pull cable wire. The tension cable wire is connected through a handle assembly that is operable to control the opening or closing of the clip member through the tension cable wire. Therefore, after the clamping head assembly clamps the wound, the inhaul cable wire is pulled, and the drawable connecting piece is separated from the hook groove, so that the connecting assembly is driven to be integrally separated from the clamping head assembly, and the connecting assembly and the clamping head assembly are convenient to install and separate.

According to one embodiment of the invention, the side wall of the fixed sleeve is provided with a connecting hole, one end of the connecting piece penetrates through the connecting hole and forms a clamping groove with the outer wall of the fixed sleeve, and a part of the chuck sleeve is clamped in the clamping groove.

According to one embodiment of the invention, the fixing sleeve comprises:

a body portion connected with the spring tube;

the ring convex part, the ring convex part with body portion is dorsad the one end of spring pipe is connected, the ring convex part with body portion is connected and is formed with the step face, the ring convex part wears to locate in the chuck sleeve, the telescopic one end butt of chuck in the step face, the connecting hole has been seted up to the lateral wall of ring convex part, the one end of connecting piece stretches out the part of connecting hole with the outer wall of ring convex part and the step face encloses to close and forms the centre gripping groove.

According to one embodiment of the present invention, the side wall of the ring protrusion is provided with at least two connection holes, and the connection piece includes:

the inhaul cable wire penetrates through the blocking ring and is connected with the clamping piece push rod, and the clamping piece push rod can be enabled to move and abut against the blocking ring by pulling the inhaul cable wire;

at least two connecting handles, each connecting handle's one end with block the ring and be connected, the connecting handle is kept away from block the one end of ring and be equipped with the pothook, each the pothook passes the connecting hole is located with the hook is located the couple groove, the pothook stretches out the connecting hole the part with the outer wall of ring convex part and the step face encloses and closes and form the centre gripping groove.

According to one embodiment of the invention, the clamping piece component comprises two elastic clamping pieces and a connecting stop pin, the two elastic clamping pieces are oppositely arranged, the connecting stop pin is respectively connected with one ends of the two elastic clamping pieces, and the connecting stop pin is clamped with the clamping piece push rod.

According to one embodiment of the invention, a clamp spring opening is formed at one end of the clamping piece push rod, which is far away from the inhaul cable wire, and the connecting stop pin is clamped in the clamp spring opening.

According to one embodiment of the invention, one end of the clamping piece push rod adjacent to the clamp spring notch is outwards provided with a clamping part in a protruding mode, and the clamping part is used for limiting and abutting with the inner wall of the spring tube.

According to one embodiment of the invention, one end of the clamping piece push rod adjacent to the inhaul cable wire is provided with a connecting sleeve or a connecting part for being connected with the inhaul cable wire.

According to one embodiment of the invention, the handle assembly comprises:

the handle core rod is provided with a sliding groove, the sliding groove extends along the length direction of the handle core rod, one end of the spring tube is connected with one end of the handle core rod, and the inhaul cable wire penetrates through the sliding groove;

the sliding ring is movably sleeved on the handle core rod and slides along the sliding groove, and one end of the inhaul cable wire is connected with the sliding ring;

the holding ring is arranged at one end of the handle core rod, which is far away from the spring tube, and is in buckling connection with the handle core rod.

According to one embodiment of the invention, the slip ring comprises two snap rings, and the two snap rings are in embedded snap connection.

According to one embodiment of the invention, the slip ring comprises two snap rings which are engaged with each other;

one of the clamping rings is provided with a ball stud, the other clamping ring is provided with a ball clamping hole, and the ball stud is penetrated through the ball clamping hole;

and/or, one clamping ring is provided with a needle column, the other clamping ring is provided with a needle hole, and the needle column penetrates through the needle hole.

According to one embodiment of the invention, the outer surface of the handle core bar is provided with anti-slip patterns.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of a clip device according to an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of a clip device according to an embodiment of the present invention in an open state;

FIG. 3 is a partial cross-sectional view of a clip device according to an embodiment of the present invention in a closed state;

FIG. 4 is a schematic view of a collet sleeve in a clip device according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of a fixing sleeve in the clip device according to the embodiment of the present invention;

FIG. 6 is a schematic view of a connector in a clip device according to an embodiment of the present invention;

FIG. 7 is a second schematic view of a connecting member of a clip device according to an embodiment of the present invention;

FIG. 8 is a schematic view of the structure of a clip pusher and a connecting pin in a clip device according to an embodiment of the present invention;

FIG. 9 is a schematic view of a clip pusher in a clip device according to an embodiment of the present invention;

FIG. 10 is a second schematic view of a clip pusher in a clip device according to an embodiment of the present invention;

FIG. 11 is a schematic view of the handle assembly of the clip device according to the embodiment of the present invention;

fig. 12 is a schematic structural view of a snap ring in a clip device according to an embodiment of the present invention.

Reference numerals:

1. a collet assembly; 11. a collet sleeve; 111. a hook groove; 112. a self-locking groove; 113. a mounting hole; 12. a clip component; 121. an elastic clamping piece; 122. a connecting stop pin; 123. a chuck stop pin; 2. a connection assembly; 21. a fixed sleeve; 211. a body portion; 212. a ring protrusion; 2121. a connection hole; 213. a step surface; 214. a clamping groove; 22. a connecting piece; 221. a blocking ring; 222. a connecting handle; 223. a clamping hook; 23. a clip push rod; 231. clip spring openings; 232. a clamping part; 233. a connection sleeve; 234. a connection part; 24. a dragline wire; 25. a spring tube; 3. a handle assembly; 31. a handle core bar; 311. a chute; 32. a slip ring; 321. a clasp; 3211. a ball stud; 3212. a ball head clamping hole; 3213. a needle column; 3214. a pinhole; 33. a holding ring.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.

In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Referring to fig. 1 to 3 in combination, a clip device according to an embodiment of the present invention includes a clip assembly 1, a connection assembly 2 and a handle assembly 3, wherein the clip assembly 1 includes a clip sleeve 11 and a clip member 12, a portion of the clip member 12 is disposed in the clip sleeve 11 in a penetrating manner, the clip member 12 is adapted to be opened or closed, and a hook groove 111 is formed in an inner wall of the clip sleeve 11; the connecting assembly 2 comprises a fixed sleeve 21, a connecting piece 22, a clamping piece push rod 23, a dragline wire 24 and a spring tube 25, wherein one end of the fixed sleeve 21 is connected with one end of the clamping head sleeve 11, the connecting piece 22 penetrates through the fixed sleeve 21 and partially stretches into the clamping head sleeve 11, one end of the connecting piece 22 is hooked in a hooking groove 111, part of the clamping head sleeve 11 is clamped between the connecting piece 22 and the fixed sleeve 21, the dragline wire 24 is connected with the clamping piece part 12 through the clamping piece push rod 23, one end of the spring tube 25 is connected with the fixed sleeve 21, and the dragline wire 24 is sleeved on the spring tube 25; the handle assembly 3 is connected to the end of the spring tube 25 remote from the fixed sleeve 21 and to the tension cable wire 24 to control the opening or closing of the clip member 12 by the tension cable wire 24, wherein the proximal end is the end near the operator. It should be noted that, when the operator manipulates the chuck assembly 1 to open or close through the handle assembly 3, the end close to the operator is a proximal end, and the end far away from the operator is a distal end.

It will be appreciated that the handle assembly 3 is connected to the jaw assembly 1 by the connection assembly 2 to manipulate the jaw assembly 1 through the handle assembly 3 to grip a wound for hemostasis. One end of the clip member 12 is received in the collet sleeve 11 and the other end extends beyond the collet sleeve 11 to grip the wound. The clip sleeve 11 has a clip stopper pin 123 provided inside one end thereof, the clip stopper pin 123 being provided between the clip members 12, and illustratively, two opposite mounting holes 113 are provided in an inner wall of the clip sleeve 11, and both ends of the clip stopper pin 123 are respectively provided through the two mounting holes 113 to be mounted between the clip members 12 so as to abut against the clip members 12 to be opened. That is, the clip push rod 23 is pushed and pulled by the pull cable wire 24, so that the clip part 12 is moved to be opened by being protruded out of the clip sleeve 11 by abutting the clip stop pin 123, or the clip part 12 is gradually accommodated in the clip sleeve 11, so that the clip part 12 is closed to clamp the wound for hemostasis.

The clip member 12 has one end which is free, openable and closable, and the other end which is fixed, and is adapted to be connected to the clip push rod 23. It can be appreciated that the fixed end of the clip component 12 is clamped with the clip push rod 23, so as to improve the separation convenience, and the clip push rod 23 can be separated from the clip by pulling the tension cable wire 24, so that the subsequent clip assembly 1 can be separated from the connection assembly 2 in time after clamping the wound. Meanwhile, the connecting member 22 is used for connecting the fixing sleeve 21 and the collet sleeve 11 and enabling the fixing sleeve 21 and the collet sleeve 11 to be easily separated from each other, and specifically, a hooking groove 111 is formed in the inner wall of the collet sleeve 11, and the hooking groove 111 may be an annular groove so as to facilitate the installation of the connecting member 22 without being installed at a corresponding fixing position. Of course, the hooking grooves 111 may be a plurality of grooves spaced apart from each other, so that the connection member 22 can be hooked by the hooking grooves 111 at different positions. For example, the hooking groove 111 may be concavely formed on the inner wall of the collet sleeve 11, or may be convexly formed on the inner wall of the collet sleeve 11 by rib enclosing, which is not limited herein. Here, the fixed sleeve 21 is used for being connected with the chuck sleeve 11 to carry out spacingly to the connecting piece 22, and, through fixed sleeve 21 and connecting piece 22 and chuck sleeve 11 detachable connection, be connected to the fixed sleeve 21 with the spring pipe 25, can in time separate coupling assembling 2, improved the convenience of installing and removing.

According to the clamp device of the embodiment of the invention, the clamping piece part 12 is arranged through the clamping head sleeve 11, so that the opening or closing of the clamping piece part is controlled conveniently, and the clamping piece part 12 is suitable for opening or closing, thereby clamping a tissue wound or a blood vessel and playing a hemostatic role. The fixed sleeve 21 is abutted to one end of the chuck sleeve 11, the connecting piece 22 penetrates through the fixed sleeve 21 and is hooked at the hooking groove 111, and the circumferential displacement of the connecting piece 22 is limited by the fixed sleeve 21 so as to be hooked at the hooking groove 111 better, so that the connection stability is improved. And, the part of the collet sleeve 11 is clamped between the connecting piece 22 and the fixed sleeve 21 to improve the connection reliability of the connection assembly 2 and the collet assembly 1. At the same time, the clip member 12 and the tension wire 24 are connected by the clip push rod 23, and the clip member 12 can be driven to open or close by the tension wire 24. The tension cable wire 24 may be connected to the clip push rod 23 through the connector 22, that is, the tension cable wire 24 is sequentially threaded through the spring tube 25, the fixing sleeve 21 and the clamping head sleeve 11, so that the clamping head assembly 12 can be driven to open or close, and the tension cable wire 24 is sleeved on the spring tube 25 to protect the tension cable wire 24. The tension cable wire 24 is connected through the handle assembly 3, and the handle assembly 3 is operable to control the opening or closing of the clip member 12 through the tension cable wire 24. Thus, after the clamping head assembly 1 clamps the wound, the inhaul cable wire 24 is pulled, and the drawable connecting piece 22 is separated from the hooking groove 111, so that the connecting assembly 2 is driven to be integrally separated from the clamping head assembly 1, and the connecting assembly 2 and the clamping head assembly 1 are convenient to install and separate.

Referring to fig. 2 and 5 in combination, according to an embodiment of the invention, a connecting hole 2121 is formed in a side wall of the fixing sleeve 21, one end of the connecting piece 22 passes through the connecting hole 2121 and forms a clamping groove 214 with an outer wall of the fixing sleeve 21, and a portion of the collet sleeve 11 is clamped in the clamping groove 214. In this way, one end of the connecting piece 22 is hooked in the hooking groove 111 while being clamped in the clamping groove 214 by the portion of the collet sleeve 11, so as to improve connection reliability. It will be appreciated that a protrusion may be provided on the inner wall of the collet sleeve 11 and clamped in the clamping groove 214 by a protrusion clamping connection to improve the connection reliability.

Referring to fig. 3 and 5 in combination, according to an embodiment of the present invention, the fixing sleeve 21 includes a body portion 211 and a ring protrusion 212, and the body portion 211 is connected with the spring tube 25; the ring convex part 212 is connected with one end of the body part 211, which is opposite to the spring tube 25, the ring convex part 212 is connected with the body part 211 to form a step surface 213, the ring convex part 212 is penetrated in the chuck sleeve 11, one end of the chuck sleeve 11 is abutted against the step surface 213, the connecting piece 22 is sequentially penetrated in the body part 211 and the ring convex part 212 to be hung on the hook groove 111, the side wall of the ring convex part 212 is provided with a connecting hole 2121, and the part of one end of the connecting piece 22, which extends out of the connecting hole 2121, is enclosed with the outer wall of the ring convex part 212 and the step surface 213 to form a clamping groove 214.

In this embodiment, the body portion 211 and the ring protruding portion 212 are both sleeve-shaped, the diameter of the ring protruding portion 212 is smaller than that of the body portion 211, so as to be inserted into the collet sleeve 11, the body portion 211 and the ring protruding portion 212 are integrally formed, so as to improve connection stability, a step surface 213 is formed by connecting the body portion 211 and the ring protruding portion, that is, an end surface of the body portion 211, and when the ring protruding portion 212 is inserted into the collet sleeve 11, one end of the collet sleeve 11 abuts against the step surface 213, thereby realizing positioning and mounting of the fixed sleeve 21, and improving mounting convenience. It will be appreciated that the connector 22 may be hooked through the fixing sleeve 21 at the hooking groove 111. Illustratively, one end of the connector 22 extends through the annular protrusion 212 to be hooked at the hooking groove 111 to connect the fixing sleeve 21 and the collet sleeve 11. Optionally, the connecting piece 22 is in a V-shaped structure, so that the two sides of the connecting piece 22 are respectively hooked at the hooking groove 111, the connecting piece 22 has certain elasticity and is suitable for deformation, when the two sides of the connecting piece are hooked at the hooking groove 111, the V-shaped connecting piece 22 is connected with the collet sleeve 11 through elastic relaxation, and when the collet sleeve 11 needs to be separated, the pull cable wire 24 can be pulled, so that the connecting piece 22 deforms to be separated from the hooking groove 111, and the separation is convenient. Optionally, the connecting piece 22 is an integrally formed structure, and the forming mode includes, but is not limited to, winding steel wires, stamping metal plates, and forming steps are not more than two steps, so that the production efficiency is improved.

Alternatively, the collet sleeve 11 has a straight barrel structure, and the outer diameter of the collet sleeve is consistent, and the collet sleeve is integrally smooth, so that the risk of harm to human bodies is reduced. It will be appreciated that the outer diameter of the body portion 211 and the outer diameter of the spring tube 25 are consistent with the outer diameter of the collet sleeve 11 to avoid bulging to scratch the human body and improve safety.

Referring to fig. 2, 3, 5, 6 and 7 in combination, according to an embodiment of the present invention, the side wall of the ring protrusion 212 is provided with at least two connection holes 2121, the connection piece 22 includes a blocking ring 221 and at least two connection handles 222, the tension cable wire 24 passes through the blocking ring 221 to be connected with the clip push rod 23, and pulling the tension cable wire 24 can enable the clip push rod 23 to move and abut against the blocking ring 221; one end of each connecting handle 222 is connected with the blocking ring 221, one end of the connecting handle 222 far away from the blocking ring 221 is provided with a clamping hook 223, each clamping hook 223 penetrates through the connecting hole 2121 to be hooked on the hooking groove 111, and the part of the clamping hook 223 extending out of the connecting hole 2121 is enclosed with the outer wall of the ring convex part 212 and the step surface 213 to form a clamping groove 214.

In this embodiment, the two connection holes 2121 are disposed opposite to each other, and it is understood that when the ring protrusion 212 is inserted into the collet sleeve 11, the connection holes 2121 are disposed corresponding to the hooking grooves 111, so that the hooks 223 on the two connection handles 222 can respectively pass through the two connection holes 2121 and hook into the hooking grooves 111. Meanwhile, the blocking ring 221 is used for abutting against the clip push rod 23, so that the connecting piece 22 is separated from the hook groove 111 by pulling the clip push rod 23, and the operation is convenient. In other embodiments, the connecting piece 22 may further include a plurality of connecting handles 222 to improve the connection stability, and then the ring protruding portion 212 is correspondingly provided with a plurality of connecting holes 2121 to correspond to the hooks 223 on the plurality of connecting handles 222. Alternatively, the connecting handle 222 may be a straight rod structure, or may be a curved structure, which is not limited herein.

Referring to fig. 2 and 3 in combination, according to an embodiment of the present invention, the clip assembly 12 includes two elastic clips 121 and a connection stop pin 122, the two elastic clips 121 are disposed opposite to each other, the connection stop pin 122 is connected to one end of each of the two elastic clips 121, and the connection stop pin 122 is clamped with the clip push rod 23.

In this embodiment, the connecting stop pin 122 is connected to one ends of the two elastic clips 121, and the two elastic clips 121 are disposed opposite to each other and can elastically abut against each other to clamp a wound or a blood vessel. The two elastic clips 121 are connected to the clip push rod 23 by the connecting stop pin 122, so when the clip push rod 23 is pulled by the tension cable wire 24, the two elastic clips 121 shrink to be partially contained in the clip sleeve 11, and at this time, the two elastic clips 121 are elastically abutted against each other, and one end of the two elastic clips 121 extending out of the clip sleeve 11 clamps the wound to stop bleeding. It can be understood that the connection stop pin 122 is clamped with the clip push rod 23, and the clip push rod 23 can be separated from the connection stop pin 122 only by pulling the clip push rod 23 with force, so that the operation is convenient.

Referring to fig. 2 and fig. 4, it should be noted that, the two elastic clamping pieces 121 are provided with fixing portions at one ends adjacent to the connecting stop pin 122, that is, the tail ends of the elastic clamping pieces 121 are provided with fixing portions, the two fixing portions are protruded towards opposite directions, the corresponding positions of the chuck sleeve 11 are provided with self-locking grooves 112, when the two elastic clamping pieces 121 are closed, the fixing portions at the tail ends are clamped in the self-locking grooves 112, so as to realize the closed self-locking of the chuck assembly 1, and then the clamping piece push rod 23 can be continuously pulled, so that the connecting assembly 2 is separated from the chuck assembly 1.

Referring to fig. 8 to 10 in combination, according to an embodiment of the present invention, a clip notch 231 is formed at an end of the clip push rod 23 away from the tension cable wire 24, and the connection stop pin 122 is clamped in the clip notch 231.

The connection mode of the clamping piece push rod 23 and the connection stop pin 122 is a clamp spring type, namely, a clamping hole is formed in one end of the clamping piece push rod 23 and a notch communicated with the clamping hole is formed in the clamp spring notch 231, so that the clamping piece push rod 23 is pushed to move towards the connection stop pin 122 during installation, and the connection stop pin 122 is clamped at the clamp spring notch 231. When the clamping piece push rod 23 is pushed to move towards the direction of the connection stop pin 122, the connection stop pin 122 cannot be separated from the clamp spring notch 231, and when the clamping piece push rod 23 is required to be separated from the connection stop pin 122, the clamping piece push rod 23 is pulled by the inhaul cable wire 24, the clamping piece push rod 23 is separated from the clamp spring notch 231, and the clamping piece push rod 23 and the connection stop pin 122 are separated, so that only the elastic deformation of the clamping piece push rod 23 is generated during separation, no falling object is generated, and no broken object is left in a patient.

According to one embodiment of the present invention, a clamping portion 232 is disposed at an end of the clip push rod 23 adjacent to the clip notch 231 and protruding outwards, and the clamping portion 232 is used for limiting and abutting against an inner wall of the spring tube 25.

In this embodiment, the clamping portion 232 abuts against the inner wall of the spring tube 25 to form a non-return structure, that is, the clamping portion 232 is the widest part of the clip push rod 23, and is matched with the inner diameter of the spring tube 25, so that the clamping portion can enter the spring tube 25 in a pull-back manner and cannot extend out of the spring tube 25 in a push-out manner. So, after the chuck assembly 1 finishes clamping hemostasis, the pull clamping piece push rod 23 is retracted into the spring tube 25, so that the clamping piece push rod 23 is prevented from extending out of the spring tube 25 to scratch a human body, meanwhile, the clamping part 232 on the clamping piece push rod 23 can be in limiting butt joint with the inner wall of the spring tube 25, and the clamping piece push rod 23 cannot be pushed out of the spring tube 25 in a mode of pushing the inhaul cable wire 24, so that safety is improved. Alternatively, the protruding direction of the clamping portion 232 is inclined toward the elastic clamping piece 121 to form a non-return structure, preventing the clamping piece push rod 23 from protruding out of the spring tube 25 by pushing.

Referring to fig. 2 and 10 in combination, according to one embodiment of the present invention, the clip push rod 23 is provided with a connection sleeve 233 or a connection portion 234 at an end adjacent to the tension cable wire 24 for connection with the tension cable wire 24.

In this embodiment, in order to facilitate connection between the clip push rod 23 and the tension cable wire 24, a connecting sleeve 233 is sleeved at one end of the clip push rod 23, and the connecting sleeve 233 may be integrally formed with the clip push rod 23 to improve connection stability, and is welded with the tension cable wire 24 through the connecting sleeve 233, so that the connecting sleeve 233 may abut against the blocking ring 221 of the connecting member 22 during the pulling process, that is, the tension cable wire 24 may pass through the blocking ring 221, and the connecting sleeve 233 abuts against the blocking ring 221, so that the hook 223 on the connecting member 22 deforms, and is separated from the hook groove 111, thereby realizing separation of the chuck assembly 1 and the connecting assembly 2. Of course, the connecting portion 234 may be integrally formed at one end of the clip push rod 23, and the connecting portion 234 may have a width wider than the hole on the blocking ring 221 so as to abut against the blocking ring 221.

Referring to fig. 1 and 11 in combination, according to an embodiment of the present invention, the handle assembly 3 includes a handle core bar 31, a slip ring 32 and a grip ring 33, the handle core bar 31 is provided with a sliding groove 311, the sliding groove 311 extends along the length direction of the handle core bar 31, one end of the spring tube 25 is connected with one end of the handle core bar 31, and the tension cable wire 24 is arranged through the sliding groove 311; the slip ring 32 is movably sleeved on the handle core bar 31 and slides along the sliding groove 311, and one end of the inhaul cable wire 24 is connected with the slip ring 32; the grip ring 33 is disposed at an end of the handle stem 31 remote from the spring tube 25, and the grip ring 33 is in snap-fit connection with the handle stem 31.

In this embodiment, the handle core bar 31 is a buckle and the core bar is connected by an inner buckle, and the two parts are integrated after connection, and the buckle is provided with anti-slip stripes, so that the handle core bar is convenient to rotate. The handle core bar 31 and the holding ring 33 are also connected by an inner clip, and the two parts can realize relative rotation after connection. The sliding ring 32 is clamped in the sliding groove 311 of the core rod, a cable clamping groove is formed in the sliding ring 32, the cable wire 24 is fixed in the cable clamping groove, and the cable wire can slide in the sliding groove 311 along with the sliding ring 32, so that a push-pull function is realized. The handle component 3 is integrally connected through a hidden buckle, so that the assembly is convenient, and the connection reliability is enhanced.

Referring to fig. 1 and 12 in combination, according to one embodiment of the present invention, the slip ring 32 includes two snap rings 321 with embedded snap connections; one of the clamping rings 321 is provided with a ball head clamping hole 3211, the other clamping ring 321 is provided with a ball head clamping hole 3212, and the ball head clamping hole 3212 is penetrated by the ball head clamping hole 3211; optionally, one of the clamping rings 321 is provided with a needle post 3213, the other clamping ring 321 is provided with a needle hole 3214, and the needle post 3213 penetrates through the needle hole 3214.

It can be appreciated that the snap ring 321 of the two embedded snap connections is hidden in the snap structure after connection, and has an attractive appearance, and does not need other connection tools for connection.

Illustratively, each snap ring 321 has two ball studs 3211 and corresponding ball clamping holes 3212; meanwhile, each clamping ring 321 can be further provided with two needle posts 3213 and corresponding needle holes 3214, and when the sliding ring 32 is assembled, the two clamping rings 321 are embedded to be sleeved on the handle core bar 31, so that the installation is convenient, and other tools and parts are not needed for installation.

According to one embodiment of the present invention, the outer surface of the handle core bar 31 is provided with anti-slip patterns. It will be appreciated that in order to facilitate grasping the handle stem 31 and thereby rotating the tension cable wire 24 such that the resilient clip 121 may be rotated to adjust the gripping angle, anti-slip features are provided on the outer surface of the handle stem 31.

Finally, it should be noted that the above-mentioned embodiments are merely illustrative of the invention, and not limiting. While the invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and it is intended to be covered by the scope of the claims of the present invention.

Claims (10)

1. A clip device, comprising:

the clamping head assembly comprises a clamping head sleeve and a clamping piece component, part of the clamping piece component penetrates through the clamping head sleeve, the clamping piece component is suitable for being opened or closed, and a hook groove is formed in the inner wall of the clamping head sleeve;

the connecting assembly comprises a fixed sleeve, a connecting piece, a clamping piece push rod, a tension cable wire and a spring tube, wherein one end of the fixed sleeve is connected with one end of the clamping head sleeve, the connecting piece penetrates through the fixed sleeve and partially stretches into the clamping head sleeve, one end of the connecting piece is hooked in the hooking groove, the part of the clamping head sleeve is clamped between the connecting piece and the fixed sleeve, the tension cable wire is connected with the clamping piece part through the clamping piece push rod, one end of the spring tube is connected with the fixed sleeve, and the tension cable wire is sleeved by the spring tube;

and the handle assembly is connected to the proximal end of the spring tube and connected with the inhaul cable wire so as to control the clamping piece component to open or close through the inhaul cable wire, wherein the proximal end is one end close to an operator.

2. The clip assembly of claim 1 wherein the side wall of the retaining sleeve defines a connecting aperture, one end of the connecting member passing through the connecting aperture and forming a clamping slot with the outer wall of the retaining sleeve, a portion of the collet sleeve being clamped within the clamping slot.

3. The clip assembly of claim 2 wherein the securing sleeve comprises:

a body portion connected with the spring tube;

the ring convex part, the ring convex part with body portion is dorsad the one end of spring pipe is connected, the ring convex part with body portion is connected and is formed with the step face, the ring convex part wears to locate in the chuck sleeve, the telescopic one end butt of chuck in the step face, the connecting hole has been seted up to the lateral wall of ring convex part, the one end of connecting piece stretches out the part of connecting hole with the outer wall of ring convex part and the step face encloses to close and forms the centre gripping groove.

4. A clip assembly according to claim 3, wherein the side wall of the collar boss is provided with at least two of said attachment holes, the attachment member comprising:

the inhaul cable wire penetrates through the blocking ring and is connected with the clamping piece push rod, and the clamping piece push rod can be enabled to move and abut against the blocking ring by pulling the inhaul cable wire;

at least two connecting handles, each connecting handle's one end with block the ring and be connected, the connecting handle is kept away from block the one end of ring and be equipped with the pothook, each the pothook passes the connecting hole is located with the hook is located the couple groove, the pothook stretches out the connecting hole the part with the outer wall of ring convex part and the step face encloses and closes and form the centre gripping groove.

5. The clip assembly of claim 1 wherein the clip assembly includes two resilient clips disposed opposite each other and a connecting stop pin connected to one end of each of the two resilient clips, the connecting stop pin being in snap engagement with the clip pusher bar.

6. The clip assembly of claim 5 wherein a clip notch is provided at an end of the clip pushrod remote from the tension cable wire, the connecting stop pin being snap-fit into the clip notch.

7. The clip device of claim 6, wherein an end of the clip push rod adjacent to the clip spring opening is provided with a clamping portion protruding outwards, and the clamping portion is used for limiting and abutting against the inner wall of the spring tube.

8. The clip device of any one of claims 1 to 7, wherein the handle assembly comprises:

the handle core rod is provided with a sliding groove, the sliding groove extends along the length direction of the handle core rod, one end of the spring tube is connected with one end of the handle core rod, and the inhaul cable wire penetrates through the sliding groove;

the sliding ring is movably sleeved on the handle core rod and slides along the sliding groove, and one end of the inhaul cable wire is connected with the sliding ring;

the holding ring is arranged at one end of the handle core rod, which is far away from the spring tube, and is in buckling connection with the handle core rod.

9. The clip assembly of claim 8 wherein the slip ring includes two snap rings, the two snap rings being snap-fit in-line.

10. The clip assembly of claim 9 wherein one of said snap rings has a ball stud and the other of said snap rings has a ball detent, said ball stud passing through said ball detent;

and/or, one clamping ring is provided with a needle column, the other clamping ring is provided with a needle hole, and the needle column penetrates through the needle hole.