CN222533347U

CN222533347U - A stable hemostatic clip

Info

Publication number: CN222533347U
Application number: CN202421061186.7U
Authority: CN
Inventors: 陆云苏
Original assignee: Suzhou Langtesi Medicial Technology Co ltd
Current assignee: Suzhou Langtesi Medicial Technology Co ltd
Priority date: 2024-05-15
Filing date: 2024-05-15
Publication date: 2025-02-28
Anticipated expiration: 2034-05-15

Abstract

The present application discloses a stable hemostatic clip, which relates to the technical field of medical devices. The stable hemostatic clip of the present application comprises an outer tube, a clamping assembly and a driving assembly. The clamping assembly comprises two clamping arms which can be relatively opened or closed and are arranged at the ends of the outer tube. The driving assembly is used to drive the two clamping arms to move. The ends of the outer tube are provided with a resisting portion, which is located between the two clamping arms. The resisting portion can reduce the gap between the two clamping arms, thereby reducing the swing amplitude of the clamping arms and improving the sliding stability of the two clamping arms. At the same time, the resisting portion can effectively reduce the tissue from entering the outer tube, ensuring that the two clamping arms can be smoothly recovered.

Description

Stable hemostatic clamp

Technical Field

The application relates to the field of medical instruments, in particular to a stable hemostatic clip.

Background

The hemostatic clamp is a medical instrument for clamping a wound by utilizing the mechanical clamping effect so as to realize hemostasis, and has the characteristics of minimally invasive, rapid hemostasis, and low probability of re-bleeding and complications. The existing hemostatic clip generally comprises an outer tube, two clip arms which are slidably inserted into the outer tube, and a driving rod for driving the clip arms to slide, wherein the two clip arms are pushed and pulled through the driving rod, so that the two clip arms are contained in the outer tube and are clamped relatively in the sliding process, or are separated from the outer tube and are opened relatively.

However, in the existing hemostatic clip, a larger gap is formed between two clip arms, so that the clip arms can shake greatly in the sliding process to influence the clipping of the two clip arms to a wound, and tissues in a patient possibly enter an outer tube from the gap in the using process of the hemostatic clip, so that the two clip arms can be subjected to larger external supporting force when being folded, and smooth recovery of the two clip arms is influenced.

Disclosure of utility model

In order to overcome the defects in the prior art, the application provides a stable hemostatic clamp which can reduce the shaking amplitude of two clamp arms and prevent tissues from entering an outer tube.

The application provides a stable hemostatic clip which adopts the following technical scheme:

The utility model provides a stable hemostatic clamp, includes outer tube, clamping assembly and drive assembly, clamping assembly includes two can open relatively or close locate the arm lock of outer tube tip, drive assembly is used for driving two arm lock activities, outer tube tip is equipped with the portion of resisting, the portion of resisting is located two arm lock between.

Through adopting above-mentioned technical scheme, the department of keeping out can reduce the space between two arms to can reduce the range of rocking of arm lock, improve the sliding stability of two arms, simultaneously, the department of keeping out can effectually reduce the tissue and get into the outer tube, ensure that two arms can retrieve smoothly.

In a specific embodiment, the two clamping arms are respectively bent along the directions away from each other, the resisting part is arc-shaped, and the arc-shaped bending direction of the resisting part is the same as the direction from the outer tube to the clamping assembly.

Through adopting above-mentioned technical scheme, curved portion of keeping out can agree with mutually with the crooked direction of arm lock for the portion of keeping out can both keep less space with the arm lock at the slip in-process of arm lock, has improved the sliding stability of arm lock.

In a specific embodiment, two of the resisting parts are respectively located at two radial sides of the outer tube, and the arrangement direction of the two resisting parts is perpendicular to the arrangement direction of the two clamping arms.

By adopting the technical scheme, the gap between the two clamping arms can be further reduced, and the tissue entering the outer tube can be further reduced.

In a specific embodiment, the resisting portion includes a first portion connected to the inner wall of the outer tube, and a second portion disposed on the first portion, the second portion being located between the two clamping arms.

In a specific embodiment, the width of the first portion is greater than the width of the second portion, and a first gap is formed between the first portion, the second portion and the inner wall of the outer tube for the clip arm to pass through.

By adopting the technical scheme, the two clamping arms can not directly contact with the resisting part in the moving process, and the interference of the resisting part to the movement of the two clamping arms is effectively avoided.

In a specific embodiment, the end of the outer tube is further provided with a mounting plate, the length direction of the mounting plate is the same as the axial direction of the outer tube, and the resisting part is arranged on the inner wall of the mounting plate and is perpendicular to the mounting plate.

In a specific embodiment, the clamping arm includes a sliding portion slidably inserted into the outer tube, a clamping portion disposed at an end of the sliding portion away from the outer tube, and the resisting portion is disposed between the two sliding portions.

Through adopting above-mentioned technical scheme, the department of keeping out can reduce the space between two sliding parts to can reduce the range of rocking of sliding part, improve the sliding stability of two sliding parts, simultaneously, the department of keeping out can effectually reduce the tissue and get into the outer tube, ensure that two sliding parts can retrieve smoothly.

In a specific embodiment, the outer tube includes a receiving portion and a holding portion, the two clip arms are disposed at one end of the receiving portion away from the holding portion, the driving assembly includes a driving rod slidably disposed in the holding portion, and one end of the driving rod penetrates into the receiving portion and is connected to the two clip arms.

By adopting the technical scheme, a doctor can hold the handheld part and operate the two clamping arms on the containing part through the driving rod.

In a specific implementation manner, the end part of the driving rod is provided with two connecting hooks, the end parts of the two clamping arms are provided with connecting shafts in a penetrating way, and the two connecting hooks are respectively hooked at the two ends of the connecting shafts.

Through adopting above-mentioned technical scheme for the actuating lever can carry out synchronous drive to two arms through two coupling hooks, has promoted the clamping effect of two arms.

In a specific implementation manner, the deformable connection hook is arranged, the accommodating part is close to one end of the handheld part, a connection cylinder is arranged at one end of the accommodating part, the connection cylinder is inserted into the handheld part and detachably connected with the handheld part, the hemostatic clamp further comprises a disassembling piece and a sliding cylinder which are arranged in the handheld part, the disassembling piece comprises two V-shaped connecting disassembling rods, the end parts of the two disassembling rods are respectively connected with the inner wall of the handheld part, the sliding cylinder is sleeved on the driving rod, a second gap is reserved between the driving rod and the driving rod, and one disassembling rod is slidably arranged in the second gap in a penetrating mode.

By adopting the technical scheme, the connecting hook and the connecting shaft and the handheld part and the accommodating part can be conveniently separated, so that a doctor can conveniently keep the two clamping arms and the accommodating part in a patient after clamping, and meanwhile, the disassembling piece can pull the handheld part under the pressing of the sliding cylinder, so that the handheld part and the accommodating part can be conveniently and rapidly separated.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the resisting part can reduce the shaking amplitude of the clamping arms and improve the sliding stability of the two clamping arms;

2. The resisting part can effectively reduce the tissue from entering the outer tube, and ensures that the two clamping arms can be successfully recovered.

Drawings

Fig. 1 is a side view of a stability hemostatic clip according to an embodiment of the present application.

Fig. 2 is a schematic view of section A-A in fig. 1.

Fig. 3 is a front view of a stability hemostatic clip according to an embodiment of the present application.

Fig. 4 is a schematic view of section B-B in fig. 3.

Fig. 5 is a top view of a stability hemostatic clip according to an embodiment of the application.

Fig. 6 is an enlarged schematic view at C in fig. 4.

Reference numerals illustrate:

1. The outer tube, 11, the accommodating part, 12, the hand-held part, 13, the connecting cylinder, 2, the clamping assembly, 21, the clamping arm, 211, the sliding part, 212, the clamping part, 3, the driving assembly, 31, the driving rod, 32, the connecting hook, 33, the connecting shaft, 4, the resisting part, 41, the first part body, 42, the second part body, 5, the first gap, 6, the mounting plate, 7, the dismounting piece, 71, the dismounting rod, 8 and the sliding cylinder.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-6, there is shown a stable hemostatic clip, which comprises an outer tube 1, a clamping assembly 2 and a driving assembly 3, wherein the clamping assembly 2 comprises two clamping arms 21 which can be opened or closed relatively and are arranged at the end part of the outer tube 1, the driving assembly 3 is used for driving the two clamping arms 21 to move, a resisting part 4 is arranged at the end part of the outer tube 1, the resisting part 4 is positioned between the two clamping arms 21, the plane of the resisting part 4 is perpendicular to the axial direction of the outer tube 1, and the two clamping arms 21 are symmetrically arranged about the resisting part 4. The resisting part 4 can reduce the gap between the two clamping arms 21, so that the shaking amplitude of the clamping arms 21 can be reduced, the sliding stability of the two clamping arms 21 is improved, and meanwhile, the resisting part 4 can effectively reduce the tissue entering the outer tube 1, and the two clamping arms 21 can be ensured to be successfully recovered.

When the hemostatic clamp is used, the driving assembly 3 drives the two clamp arms 21 to slide, and the two clamp arms 21 can be accommodated in the outer tube 1 and folded relatively so as to clamp a wound of a patient or separate from the outer tube 1 and open relatively so as to loosen the wound. In the process of relatively opening and closing the two clamp arms 21, the resisting part 4 can keep a smaller gap with the two clamp arms 21, so that the shaking of the clamp arms 21 can be greatly reduced, and the clamping effect of the clamp arms 21 on the wound is improved.

In the present embodiment, as shown in fig. 2, the two clip arms 21 are respectively bent in directions away from each other, each clip arm 21 slides in the bending direction thereof when the two clip arms 21 are opened or closed, the abutting portion 4 is curved, and the curved bending direction of the abutting portion 4 is the same as the direction of the outer tube 1 to the clip assembly 2. The arc-shaped resisting part 4 can be matched with the bending direction of the clamping arm 21, so that the resisting part 4 can keep a smaller gap with the clamping arm 21 in the sliding process of the clamping arm 21, and the sliding stability of the clamping arm 21 is improved

As shown in fig. 4, two abutment portions 4 are provided, the two abutment portions 4 are respectively located at two radial sides of the outer tube 1, and the arrangement direction of the two abutment portions 4 is perpendicular to the arrangement direction of the two clip arms 21.

In this embodiment, as shown in fig. 2 and 4, the end of the outer tube 1 is further provided with a mounting plate 6, the length direction of the mounting plate 6 is the same as the axial direction of the outer tube 1, two mounting plates 6 are respectively provided on two sides of the end of the outer tube 1, and each resisting part 4 is respectively provided on the inner wall of the corresponding mounting plate 6 and is perpendicular to the mounting plate 6.

As shown in fig. 5, the resisting portion 4 includes a first portion 41 connected to the inner wall of the mounting plate 6, and a second portion 42 provided on the first portion 41, the first portion 41 and the second portion 42 being integrally formed, the second portion 42 being located between the two clip arms 21. Wherein, the width of the first part 41 is larger than that of the second part 42, and a first gap 5 for the clamp arm 21 to pass through is formed between the first part 41, the second part 42 and the inner wall of the outer tube 1. In this way, the two clamp arms 21 will not directly contact the resisting part 4 in the sliding process, so that interference of the resisting part 4 to the movement of the two clamp arms 21 is effectively avoided.

In the present embodiment, as shown in fig. 2, the clip arm 21 includes a sliding portion 211 slidably inserted into the outer tube 1, a clamping portion 212 provided at an end of the sliding portion 211 away from the outer tube 1, and the resisting portion 4 is located between the two sliding portions 211. The two sliding parts 211 are respectively curved, the bending directions of the two sliding parts 211 are opposite, the two sliding parts 211 can slide along the respective bending directions and are opened or closed relatively, and the two clamping parts 212 are opened or closed relatively under the driving of the two sliding parts 211 so as to clamp the wound.

In this embodiment, the outer tube 1 includes a housing portion 11 and a holding portion 12 coaxially disposed, two clamping arms 21 are disposed at one end of the housing portion 11 far away from the holding portion 12, and the driving assembly 3 includes a driving rod 31 slidably disposed in the holding portion 12 along its own axial direction, and one end of the driving rod 31 penetrates into the housing portion 11 and is connected to the two clamping arms 21.

As shown in fig. 2 and 4, two coupling hooks 32 are provided at the end of the driving lever 31, a coupling shaft 33 is provided at the end of the two clip arms 21, and the two coupling hooks 32 are respectively hooked at both ends of the coupling shaft 33. When in use, the driving rod 31 can synchronously drive the two clamping arms 21 through the two connecting hooks 32, so that the clamping effect of the two clamping arms 21 is improved.

In this embodiment, the connecting hook 32 is configured to be deformable, one end of the accommodating portion 11 near the handheld portion 12 is provided with the connecting tube 13, the connecting tube 13 is inserted into the handheld portion 12 and detachably connected to the handheld portion 12, and the connecting tube 13 is in interference fit with the handheld portion 12. Referring to fig. 6, the hemostatic clip further includes a dismounting member 7 and a slide tube 8 disposed in the handheld portion 12, the dismounting member 7 includes two dismounting rods 71 connected in a V-shape, end portions of the two dismounting rods 71 are respectively connected with an inner wall of the handheld portion 12, the slide tube 8 is sleeved on the driving rod 31 and has a second gap therebetween, and one of the dismounting rods 71 slidably penetrates through the second gap.

After the clamping of the two clamping arms 21 is completed, the connecting hooks 32 and the connecting shafts 33 and the holding part 12 and the accommodating part 11 can be conveniently separated, so that a doctor can conveniently keep the two clamping arms 21 and the accommodating part 11 in a patient after the clamping is completed, and the disassembling piece 7 can pull the holding part 12 under the pressing of the sliding cylinder 8, so that the holding part 12 and the accommodating part 11 can be conveniently and quickly separated.

The implementation principle of the stable hemostatic clip provided by the embodiment of the application is as follows:

The outer tube 1 is stretched into a patient, the driving rod 31 is pushed, the two sliding parts 211 penetrate out of the outer tube 1 and drive the two clamping parts 212 to be opened relatively, and the resisting part 4 can keep a small gap with the two sliding parts 211 continuously in the process that the two sliding parts 211 penetrate out of the outer tube 1;

Aligning the two clamping parts 212 to a wound in a patient, and then pulling the driving rod 31, wherein the two sliding parts 211 are accommodated in the outer tube 1 and drive the two clamping parts 212 to be relatively folded, so as to realize clamping of the wound;

Subsequently, the driving rod 31 is pulled continuously, and the connecting hook 32 is deformed and separated from the connecting shaft 33 under the pulling of the driving rod 31;

Then, the driving rod 31 is pulled continuously, the sliding barrel 8 slides along the driving rod 31 and reaches the bottom of the detaching rod 71 and presses the detaching rod 71, the detaching rod 71 pulls the handheld part 12 under the pressing action of the sliding barrel 8, and the handheld part 12 is separated from the accommodating part 11 under the pulling of the detaching rod 71;

The holder 12 is then removed and the receptacle 11 and the two arms 21 are left in the patient.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims

1. The stable hemostatic clamp comprises an outer tube (1), a clamping assembly (2) and a driving assembly (3), wherein the clamping assembly (2) comprises two clamp arms (21) which can be opened or closed relatively and are arranged at the end parts of the outer tube (1), and the driving assembly (3) is used for driving the two clamp arms (21) to move.

2. A stable hemostatic clip according to claim 1, wherein the two clip arms (21) are respectively curved in directions away from each other, the resisting portion (4) is curved, and the curved direction of the resisting portion (4) is the same as the direction from the outer tube (1) to the clip assembly (2).

3. The stable hemostatic clip according to claim 1, wherein the number of the two resisting parts (4) is two, the two resisting parts (4) are respectively located at two radial sides of the outer tube (1), and the arrangement direction of the two resisting parts (4) is perpendicular to the arrangement direction of the two clip arms (21).

4. A hemostatic clip according to any one of claims 1-3, wherein the resisting part (4) comprises a first part (41) connected to the inner wall of the outer tube (1), and a second part (42) provided on the first part (41), the second part (42) being located between the two arms (21).

5. A stable hemostatic clip according to claim 4, wherein the width of the first part (41) is larger than the width of the second part (42), and a first gap (5) for the clip arm (21) to pass through is formed between the first part (41), the second part (42) and the inner wall of the outer tube (1).

6. A stable hemostatic clip according to any one of claims 1-3, wherein the end of the outer tube (1) is further provided with a mounting plate (6), the length direction of the mounting plate (6) is the same as the axial direction of the outer tube (1), and the blocking portion (4) is disposed on the inner wall of the mounting plate (6) and perpendicular to the mounting plate (6).

7. A stable hemostatic clip according to any one of claims 1-3 wherein the clip arm (21) comprises a sliding portion (211) slidably inserted into the outer tube (1), a holding portion (212) provided at an end of the sliding portion (211) remote from the outer tube (1), and the retaining portion (4) is provided between the sliding portions (211).

8. A stable hemostatic clip according to any one of claims 1-3, wherein the outer tube (1) comprises a holding portion (11) and a holding portion (12), the two clamping arms (21) are disposed at one end of the holding portion (11) far away from the holding portion (12), the driving assembly (3) comprises a driving rod (31) slidably penetrating through the holding portion (12), and one end of the driving rod (31) penetrates into the holding portion (11) and is connected with the two clamping arms (21).

9. The hemostatic clip according to claim 8, wherein the end of the driving rod (31) is provided with two connecting hooks (32), the end of the two clamping arms (21) is provided with a connecting shaft (33), and the two connecting hooks (32) are hooked at two ends of the connecting shaft (33).

10. The stable hemostatic clip according to claim 9, wherein the connecting hook (32) is configured to be deformable, a connecting tube (13) is disposed at one end of the accommodating portion (11) near the handheld portion (12), the connecting tube (13) is inserted into the handheld portion (12) and detachably connected with the handheld portion (12), the hemostatic clip further comprises a disassembling piece (7) and a sliding tube (8) disposed in the handheld portion (12), the disassembling piece (7) comprises two disassembling rods (71) connected in a V-shape, ends of the two disassembling rods (71) are respectively connected with an inner wall of the handheld portion (12), the sliding tube (8) is sleeved on the driving rod (31) and has a second gap therebetween, and one disassembling rod (71) is slidably disposed in the second gap in a penetrating manner.