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US-12622705-B2 - Adapter of clip applicator and clip applicator

US12622705B2US 12622705 B2US12622705 B2US 12622705B2US-12622705-B2

Abstract

An adapter of a clip applicator and a clip applicator are provided. The adapter includes an adapter outer shell. The adapter outer shell includes an operation member capable of moving along a proximal-end direction and a distal-end direction: the adapter includes a lock mechanism, and the lock mechanism is arranged in the adapter outer shell; the operation member moves along the proximal-end direction under an action of an external force along the proximal-end direction, so that the lock mechanism allows a clip-cartridge assembly of the clip applicator to be plugged into the adapter outer shell and pulled out of the adapter outer shell; after the external force along the proximal-end direction disappears, the lock mechanism impels the operation member to move along the distal-end direction to an original position, and to cooperate with a lock structure of the clip-cartridge assembly, so that the clip-cartridge assembly is locked in the adapter.

Inventors

  • Ronghua Xu

Assignees

  • INTOCARE MEDICAL TECHNOLOGY (SUZHOU) CO., LTD.

Dates

Publication Date
20260512
Application Date
20210910
Priority Date
20200918

Claims (12)

  1. 1 . An adapter of a clip applicator, comprising an adapter outer shell, wherein the adapter outer shell comprises an operation member capable of moving along a proximal-end direction and a distal-end direction; the adapter further comprises a lock mechanism, and the lock mechanism is arranged in the adapter outer shell; the operation member moves along the proximal-end direction under an action of an external force along the proximal-end direction, so that the lock mechanism allows a clip-cartridge assembly of the clip applicator to be plugged into the adapter outer shell and pulled out of the adapter outer shell; after the external force along the proximal-end direction disappears, the lock mechanism impels the operation member to move along the distal-end direction to an original position, and to cooperate with a lock structure of the clip-cartridge assembly, so that the clip-cartridge assembly is locked in the adapter; the adapter outer shell comprises a main body outer shell and a rotation outer shell, the rotation outer shell is rotatably connected to the main body outer shell; the rotation outer shell comprises a distal rotation shell and a proximal rotation shell that are separable from each other, the proximal rotation shell serves as the operation member, and an original position of the proximal rotation shell is a position where the proximal rotation shell is connected with the distal rotation shell.
  2. 2 . The adapter of the clip applicator according to claim 1 , further comprising a guide ring, wherein the guide ring extends from a proximal end of the rotation outer shell into the rotation outer shell, and the proximal end of the guide ring is connected with the main body outer shell; a guide portion is arranged on the guide ring and the rotation outer shell, and the guide portion provides a two-way automatic guide for the clip-cartridge assembly during a process that the clip-cartridge assembly is plugged into the rotation outer shell; the lock mechanism and the lock structure are matched on the basis of two-way automatic guide.
  3. 3 . The adapter of the clip applicator according to claim 2 , wherein the lock mechanism comprises a plug slot respectively arranged on distal ends of the guide ring and the rotation outer shell, and is configured to be connected with a plug member on the clip-cartridge assembly to provide a circumferential lock; the guide portion of the guide ring and the rotation outer shell are both arranged as a guide groove respectively at the distal ends of the guide ring and the rotation outer shell, and the guide groove extends from a position of a distal-end surface along a circumferential direction and gradually increases in depth during a process of extending to be connected with the plug slot.
  4. 4 . The adapter of the clip applicator according to claim 3 , wherein the lock mechanism further comprises a lock ring, a limit member, an elastic member and a lock member; the lock ring is adjacent to the proximal rotation shell and is slidably sleeved on the guide ring, the limit member is fixed on an outer side of the guide ring, the elastic member is sleeved on the outer side of the guide ring, and provides an axial limit to the lock ring together with the limit member; the lock member is arranged on the guide ring; when the lock ring is subjected to the external force of the proximal rotation shell along the proximal-end direction: the lock ring moves along the proximal-end direction and impels the lock member not to lock the clip-cartridge assembly, and the lock ring compresses the elastic member; after the external force acting on the lock ring disappears: the elastic member impels the lock ring to move along the distal-end direction and the lock ring pushes the proximal rotation shell to move along the distal-end direction until the lock ring abuts against the limit member, at this time, the proximal rotation shell is connected with the distal rotation shell, and the lock ring impels the lock member provides at least axial lock with a lock groove of the clip-cartridge assembly.
  5. 5 . The adapter of the clip applicator according to claim 4 , wherein one said lock member is arranged along one circumference or at least two said lock members are evenly arranged along one circumference, the guide ring is provided with an auxiliary lock structure configured for cooperating with an auxiliary lock mechanism in the clip-cartridge assembly, and the auxiliary lock mechanism and the auxiliary lock structure are matched on the basis of two-way automatic guide; the lock member is a lock bead, the guide ring is provided with a mounting hole for accommodating the lock bead, a diameter of the mounting hole at an inner wall of the guide ring is smaller than a diameter of the mounting hole at an outer wall of the guide ring, a diameter of the lock bead is between the diameter of the mounting hole at the inner wall of the guide ring and the diameter of the mounting hole at the outer wall of the guide ring, an inner surface of the lock ring comprises an abutting annular surface and an annular slope connected along the distal-end direction, and the annular slope is inclined outward along the distal-end direction; when the lock ring abuts against the limit member, an outer end of the lock bead abuts against the abutting annular surface; and the lock ring moves along the proximal-end direction, so that the lock bead disengages from the abutting annular surface, and the lock bead moves outward under an action of an outward external force.
  6. 6 . The adapter of the clip applicator according to claim 4 , wherein the lock members are arranged along a plurality of circumferences, each circumference comprises one said lock member or at least two said lock members evenly arranged; the lock member is a lock bead, the guide ring is provided with a mounting hole for accommodating the lock bead, a diameter of the mounting hole at an inner wall of the guide ring is smaller than a diameter of the mounting hole at an outer wall of the guide ring, a diameter of the lock bead is between the diameter of the mounting hole at the inner wall of the guide ring and the diameter of the mounting hole at the outer wall of the guide ring, an inner surface of the lock ring comprises an abutting annular surface and an annular slope connected along the distal-end direction, and the annular slope is inclined outward along the distal-end direction; when the lock ring abuts against the limit member, an outer end of the lock bead abuts against the abutting annular surface; and the lock ring moves along the proximal-end direction, so that the lock bead disengages from the abutting annular surface, and the lock bead moves outward under an action of an outward external force.
  7. 7 . A clip applicator, comprising a clip-cartridge assembly, wherein the clip applicator further comprises the adapter according to claim 1 ; the clip-cartridge assembly is provided with the lock structure; when the operation member moves along the proximal-end direction under the action of the external force along the proximal-end direction, the clip-cartridge assembly is allowed to be plugged into the adapter outer shell and pulled out of the adapter outer shell; after the external force along the proximal-end direction disappears, the lock mechanism cooperates with the lock structure so that the clip-cartridge assembly is locked in the adapter outer shell.
  8. 8 . The clip applicator according to claim 7 , wherein the clip-cartridge assembly further comprises an auxiliary lock mechanism, and the auxiliary lock mechanism cooperates with an auxiliary lock structure of the adapter, so that double locking is provided; the auxiliary lock mechanism and the auxiliary lock structure lock the clip-cartridge assembly in the adapter outer shell when the clip-cartridge assembly is plugged in place; and a process of the clip-cartridge assembly moving along the distal-end direction due to an external force along the distal-end direction impels the auxiliary lock mechanism and the auxiliary lock structure to disengage from each other.
  9. 9 . The clip applicator according to claim 8 , wherein the clip-cartridge assembly comprises a clip-cartridge outer shell, the clip-cartridge outer shell comprises a clip-cartridge fixation shell and a clip-cartridge rotation shell that are rotatably connected with each other, an identification signal generation structure is arranged at a proximal end of the clip-cartridge fixation shell, an identification signal receiver is fixed in the adapter, and the identification signal receiver is in signal communication with the identification signal generation structure; the adapter outer shell comprises a main body outer shell and a rotation outer shell, and the rotation outer shell is rotatably connected to the main body outer shell; through cooperation of the lock mechanism and the lock structure, the clip-cartridge fixation shell and a guide ring are optionally locked, and the clip-cartridge rotation shell and the rotation shell are optionally locked; the auxiliary lock mechanism cooperates with the auxiliary lock structure on the guide ring to lock the clip-cartridge fixation shell and the guide ring when the clip-cartridge assembly is plugged in place.
  10. 10 . The clip applicator according to claim 9 , wherein the auxiliary lock mechanism comprises an elastic ring located in an inner wall groove of the clip-cartridge fixation shell, and one or at least two positioning protrusions connected to the elastic ring; the auxiliary lock structure is one or at least two positioning holes arranged on an inner wall of the guide ring, and the positioning protrusion runs through a through hole on the clip-cartridge fixation shell to engage with the positioning hole.
  11. 11 . The clip applicator according to claim 9 , wherein the lock structure comprises a lock groove arranged on an outer surface of the clip-cartridge fixation shell, and the lock groove is locked with a lock bead; the lock structure further comprises a first plug member arranged on the clip-cartridge fixation shell, the first plug member is plugged into a first plug slot on the guide ring, and plug between the first plug member and the first plug slot provides a circumferential lock of the clip-cartridge fixation shell and the guide ring; the lock structure further comprises a second plug member arranged on the clip-cartridge rotation shell, the second plug member is plugged into a second plug slot on the rotation outer shell, and plug between the second plug member and the second plug slot provides a circumferential lock of the clip-cartridge rotation shell and the rotation outer shell; an axial distance between the plug member on the clip-cartridge fixation shell and the plug member on the clip-cartridge rotation shell is greater than an axial distance between the first plug slot on the guide ring and the second plug slot on the rotation outer shell.
  12. 12 . The clip applicator according to claim 11 , wherein the identification signal generation structure is an identification information storage chip, the identification information storage chip is provided with two groups of pin needles that are in signal communication with the identification signal receiver, and when the first plug member is plugged into the first plug slot or the second plug member is plugged into the second plug slot, the identification signal receiver is connected with at least one group of pin needles; each group of pin needles comprises one or at least two pin needles.

Description

The present application claims priorities of Chinese Patent Application No. 202010991628.8 and No. 202022057087.X filed on Sep. 18, 2020, and claims priorities of Chinese Patent Application No. 202011105224.0 and No. 202022298510.5 filed on Oct. 15, 2020, the contents of the above Chinese patent applications are incorporated herein by reference in their entirety as part of the present application. TECHNICAL FIELD The present disclosure relates to a field of medical instrument, and more particularly, to an adapter of a clip applicator and a clip applicator. BACKGROUND A surgical clip applicator is usually configured for clipping a tubular tissue during surgical operation, so as to avoid exudation of fluid of the tubular tissue. In the prior art, a clip-cartridge assembly of the clip applicator is detachably mounted on an adapter of the clip applicator and is in signal communication with the adapter; the adapter identifies the information of clips in the clip-cartridge assembly so as to execute a corresponding program action. During assembling and disassembling the clip-cartridge assembly and the adapter, a structure of a connection portion between the adapter and the clip-cartridge assembly is complex, which is not convenient for assembling and disassembling the clip-cartridge assembly, and thus is not convenient for user's operation, rendering low operation efficiency. SUMMARY (I) Technical Problems to be Solved In order to solve the above-described problems of the prior art, the present disclosure provides an adapter of a clip applicator and a clip applicator, which is convenient for assembling and disassembling (i.e. plug-in and pull-out) between the clip-cartridge assembly and the adapter, and has a fool-proof effect. (II) Technical Solutions In order to achieve the above-described purpose, a main technical solution adopted by the present disclosure includes: On aspect of the present disclosure provides the adapter of the clip applicator; the adapter of the clip applicator includes an adapter outer shell; the adapter outer shell comprises an operation member capable of moving along a proximal-end direction and a distal-end direction; the adapter further comprises a lock mechanism, and the lock mechanism is arranged in the adapter outer shell; the operation member moves along the proximal-end direction under an action of an external force along the proximal-end direction, so that the lock mechanism allows a clip-cartridge assembly of the clip applicator to be plugged into the adapter outer shell and pulled out of the adapter outer shell; after the external force along the proximal-end direction disappears, the lock mechanism impels the operation member to move along the distal-end direction to an original position, and to cooperate with a lock structure of the clip-cartridge assembly, so that the clip-cartridge assembly is locked in the adapter. Preferably, the adapter outer shell comprises a main body outer shell and a rotation outer shell, the rotation outer shell is rotatably connected to the main body outer shell; the rotation outer shell comprises a distal rotation shell and a proximal rotation shell that are separable from each other, the proximal rotation shell serves as the operation member, and an original position of the proximal rotation shell is a position where the proximal rotation shell is connected with the distal rotation shell; or the rotation outer shell is provided with an operation portion capable of moving along the proximal-end direction and the distal-end direction, and the operation portion serves as the operation member. Preferably, the adapter of the clip applicator further comprises a guide ring, the guide ring extends from a proximal end of the rotation outer shell into the rotation outer shell, and the proximal end of the guide ring is connected with the main body outer shell; a guide portion is arranged on the guide ring and the rotation outer shell, and the guide portion provides a two-way automatic guide for the clip-cartridge assembly during a process that the clip-cartridge assembly is plugged into the rotation outer shell; the lock mechanism and the lock structure are matched on the basis of two-way automatic guide. Preferably, the lock mechanism comprises a plug slot respectively arranged on distal ends of the guide ring and the rotation outer shell, and is configured to be connected with a plug member on the clip-cartridge assembly to provide a circumferential lock; the guide portion of the guide ring and the rotation outer shell are both arranged as a guide groove respectively at the distal ends of the guide ring and the rotation outer shell, and the guide groove extends from a position of a distal-end surface along a circumferential direction and gradually increases in depth during a process of extending to be connected with the plug slot. Preferably, the lock mechanism further comprises a lock ring, a limit member, an elastic member and a lock member; the lock ring