CN113598867B - Reusable clip applier - Google Patents
Reusable clip applier Download PDFInfo
- Publication number
- CN113598867B CN113598867B CN202111027235.6A CN202111027235A CN113598867B CN 113598867 B CN113598867 B CN 113598867B CN 202111027235 A CN202111027235 A CN 202111027235A CN 113598867 B CN113598867 B CN 113598867B
- Authority
- CN
- China
- Prior art keywords
- forceps
- clamp
- elastic element
- seat
- clamping jaws
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000010304 firing Methods 0.000 claims abstract description 18
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/128—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for applying or removing clamps or clips
- A61B17/1285—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for applying or removing clamps or clips for minimally invasive surgery
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of clip appliers, in particular to a clip appliers capable of being used repeatedly, which comprises: the pliers body, the plier head assembly, the control body, the firing mechanism and the connecting mechanism, wherein the connecting mechanism is used for detachably fixing the plier head assembly at the far end of the pliers body, and when the connecting mechanism fixes the plier seat on the pliers body, the control body reaches the plier head assembly and can control the opening or closing of the two plier arms through the linear reciprocating motion of the control body.
Description
Technical Field
The invention relates to the technical field of clip appliers, in particular to a clip applier which can be used repeatedly.
Background
The clip applier is a surgical instrument used for controlling a tissue clip to be closed during a surgical operation so as to ligate and close blood vessels and body cavity tissues, and is used for clamping and closing the tissue clip during the surgical operation;
the existing clip applier mainly comprises a clip body, a firing mechanism and a clip head assembly, wherein the firing mechanism is in transmission connection with the clip head assembly, the firing mechanism controls the opening or closing of two clip walls on the clip head assembly when the clip applier is used, and the firing mechanism needs to be in transmission connection with the clip head assembly, so that the clip head assembly is difficult to detachably connect with the clip body, the clip head assembly can be polluted after the clip applier is used once, and the clip applier cannot be used for multiple times.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve present application of clamp can be polluted after once using binding clip subassembly, leads to unable repetitious usage's problem, but now provides a repetitious usage's application of clamp.
The technical scheme adopted by the invention for solving the technical problem is as follows: a reusable clip applier comprises
A clamp body;
the forceps head assembly is provided with a forceps base, a first elastic element and two forceps arms, the proximal ends of the forceps arms are hinged to the forceps base, and the first elastic element is used for forcing the distal ends of the two forceps arms to be away from each other;
the control body is arranged at the distal end of the forceps body;
the firing mechanism is used for driving the control body to reciprocate along the linear direction;
and the connecting mechanism is used for detachably fixing the forceps head assembly at the far end of the forceps body, and when the connecting mechanism fixes the forceps base on the forceps body, the control body reaches the forceps head assembly, and can control the opening or closing of the two forceps arms through the linear reciprocating motion of the control body.
The linear reciprocating motion that the utilization is located binding clip subassembly department control body in this scheme controls opening or closing of two tong arms, so only need make the control body reach binding clip subassembly department when coupling mechanism will fix the pincers seat at the distal end of the pincers body, alright establish the transmission relation of being connected between mechanism and the binding clip subassembly of sending out in the lump to the realization can quick replacement binding clip subassembly, the repetitious usage of clamp is executed in the realization, and simple structure, convenient operation.
Furthermore, the coupling mechanism comprises a second elastic element and two clamping jaws, a mounting seat is fixed at the far end of the clamp body, the two clamping jaws are hinged to the mounting seat, and the far ends of the clamping jaws are mutually closed under the action of the second elastic element to clamp the clamp seat; thereby utilizing two clamping jaws to realize the detachable connection between the clamp seat and the clamp body in a clamping manner.
Furthermore, the coupling mechanism also comprises a pull rod, the pull rod is connected with the clamp body in a sliding manner, the near ends of the clamping jaws are in transmission connection with the far ends of the pull rod through a displacement conversion structure, and the displacement conversion structure is arranged to convert the linear motion of the pull rod into the rotation of the clamping jaws around the hinge point of the clamping jaws; therefore, the elastic force of the second elastic element is overcome when the pull rod moves, the clamping jaws are driven to rotate by the displacement conversion structure, the far ends of the two clamping jaws can be simultaneously far away from each other, the binding on the clamp base is relieved, the clamp head assembly can be separated from the clamp body, a new clamp head assembly head is replaced, the pull rod is loosened, the two clamping jaws reset under the action of the second elastic element, the clamp base is clamped again, the clamp head assembly is quickly replaced, and the use convenience is improved.
Furthermore, the displacement conversion structure comprises a transmission pin and oblique holes formed in the near ends of the clamping jaws, the transmission pin is simultaneously inserted into the oblique holes of the two clamping jaws, and the projections of the oblique holes of the two clamping jaws are mutually crossed in a projection plane perpendicular to the axis of the transmission pin; thereby realizing that the linear motion of the pull rod is simultaneously converted into the rotation of the two clamping jaws around the hinged point thereof.
Furthermore, the second elastic element is arranged at the near end of the clamp body, a button is fixed at the near end of the pull rod, one end of the second elastic element props against the button, and the other end of the second elastic element props against the clamp body; the second elastic element is arranged at the near end of the clamp body, so that the compactness of the structure at the clamping jaw can be improved, and the miniaturization of the size of the far end of the clamp applying clamp is facilitated; meanwhile, due to the arrangement of the button, the operation during assembling and disassembling is facilitated, specifically, the button is pressed towards the far end direction of the clamp body, so that the far ends of the two clamping jaws can be far away from each other, and the clamping of the clamp seat is relieved.
Furthermore, the far end of the clamping jaw is provided with a bulge, the clamp seat is provided with a groove for embedding the bulge, and when the clamping jaw clamps the clamp seat, the bulge on the clamping jaw is embedded into the groove; thereby improving the clamping effect.
Furthermore, a pressing piece is slidably mounted on the mounting seat, a third elastic element is arranged between the pressing piece and the mounting seat, one end of the third elastic element abuts against the mounting seat, the other end of the third elastic element abuts against the clamp seat, and the pressing piece abuts against the near end of the clamp seat; utilize to compress tightly the piece and support the pincers seat, can make the arch of pincers seat and clamping jaw laminate more, be equivalent to the pincers seat can be held simultaneously and compressing tightly between the arch of piece and clamping jaw to prevent that the pincers seat from taking place to rock, improve the stability of connecting.
Furthermore, an extension rod is fixed on the forceps body, and the mounting seat is fixed at the far end of the extension rod; the compactness of the structure can be improved.
Furthermore, at least one supporting block is fixed on the extension rod, and the pull rod penetrates through the supporting block and is in sliding connection with the supporting block; the support block is used for supporting the pull rod, so that the pull rod is prevented from bending and deforming when the clamping jaw is pushed due to long length.
Furthermore, the control body is annular, and when the connection mechanism fixes the forceps base on the forceps body, the control body is sleeved outside the forceps base and is used for simultaneously pushing the two forceps arms to rotate so as to realize the mutual closing of the two forceps arms;
or the two control bodies are respectively positioned at two sides of the forceps base and used for respectively pushing one forceps arm to rotate so as to realize the mutual closing of the two forceps arms.
Furthermore, the firing mechanism comprises a trigger, a transmission tube, a gun tube and a return spring, the gun tube is slidably mounted on the clamp body along the axis direction of the gun tube, the near end of the gun tube is fixedly connected with the transmission tube, and the far end of the gun tube is fixedly connected with the control body;
one end of the reset spring is abutted against the transmission pipe, the other end of the reset spring is abutted against the clamp body, a step surface is arranged on the transmission pipe, the trigger is hinged with the clamp body, and one end of the trigger, which is close to the transmission pipe, is abutted against the step surface.
The invention has the beneficial effects that: the reusable clip applier disclosed by the invention controls the opening or closing of the two forceps arms by utilizing the linear reciprocating motion of the control body positioned at the forceps head assembly, so that the transmission connection relation between the firing mechanism and the forceps head assembly can be built at the same time only by enabling the control body to reach the forceps head assembly when the forceps base is fixed at the far end of the forceps body by the coupling mechanism, thereby realizing the rapid replacement of the forceps head assembly and the repeated use of the clip applier, and the reusable clip applier is simple in structure and convenient to operate.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a cross-sectional schematic view of a reusable clip applier of the invention;
FIG. 2 is an enlarged partial schematic view of A of FIG. 1;
FIG. 3 is a schematic view of the reusable clip applier of the invention with the two arms open;
FIG. 4 is a schematic view of the reusable clip applier of the invention with the two jawarms closed;
FIG. 5 is a three-dimensional schematic view of a pull rod engaged with a jaw in the reusable clip applier of the invention;
FIG. 6 is a two-dimensional schematic view of a pull rod engaged with a jaw in the reusable clip applier of the invention;
FIG. 7 is a three-dimensional schematic view of a compression member of the reusable applicator clamp of the present invention;
FIG. 8 is a three-dimensional schematic view of the coupling mechanism in the reusable clip applier of the present invention;
FIG. 9 is a three-dimensional schematic view of the coupling mechanism of the reusable clip applier of the present invention gripping a jaw assembly;
FIG. 10 is a three-dimensional schematic view of a jaw assembly of the reusable clip applier of the present invention;
FIG. 11 is a two-dimensional schematic view of a firing mechanism in a reusable clip applier of the present invention;
in the figure: 1. the clamp comprises a clamp body 101, a mounting seat 102, an extension rod 103 and a supporting block;
2. the forceps head assembly 201, the forceps base 2011, the groove 202, the first elastic element 203 and the forceps arms;
3. a control body;
4. the connecting mechanism comprises a connecting mechanism 401, a second elastic element 402, a clamping jaw 4021, an oblique hole 4022, a protrusion 403, a pull rod 404, a driving pin 405, a button 406, a pressing piece 407 and a third elastic element;
5. the firing mechanism comprises 501, a trigger 502, a transmission tube 5021, a step surface 503, a barrel 504 and a return spring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The figures are simplified schematic diagrams that illustrate the basic structure of the invention in a schematic manner only, and thus show only the components that are relevant to the invention, and directions and references (e.g., up, down, left, right, etc.) may be used only to help describe the features in the figures. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1-11, a reusable clip applier comprising
A clamp body 1;
the forceps head assembly 2 is provided with a forceps base 201, a first elastic element 202 and two forceps arms 203, the proximal ends of the forceps arms 203 are hinged to the forceps base 201, the first elastic element 202 is used for forcing the distal ends of the two forceps arms 203 to be away from each other, the first elastic element 202 can be a V-shaped spring leaf, the spring leaf is arranged between each forceps arm 203 and the forceps base 201, one end of the spring leaf props against the forceps arms 203, and the other end of the spring leaf props against the forceps base 201; it should be noted that the elastic element can also be a torsion spring, one end of which is pressed against and fixed with the forceps arm 203, and the other end of which is pressed against the forceps base 201;
the control body 3 is arranged at the far end of the forceps body 1;
the firing mechanism 5 is used for driving the control body 3 to reciprocate along the linear direction;
and the connecting mechanism 4 is used for detachably fixing the forceps head assembly 2 at the far end of the forceps body 1, and when the connecting mechanism 4 fixes the forceps base 201 on the forceps body 1, the control body 3 reaches the forceps head assembly 2, and can control the opening or closing of the two forceps arms 203 through the linear reciprocating motion of the control body.
The coupling mechanism 4 comprises a second elastic element 401 and two clamping jaws 402, the distal end of the forceps body 1 is fixed with the mounting seat 101, the two clamping jaws 402 are hinged to the mounting seat 101, specifically, hinge points between the two clamping jaws 402 and the mounting seat 101 are on the same axis, and the distal ends of the clamping jaws 402 are mutually closed under the action of the second elastic element 401 to clamp the forceps seat 201; so that the two clamping jaws 402 can be used for realizing the detachable connection between the clamp seat 201 and the clamp body 1 in a clamping manner;
the coupling mechanism 4 further comprises a pull rod 403, the pull rod 403 is slidably connected with the forceps body 1, the proximal ends of the jaws 402 are in transmission connection with the distal end of the pull rod 403 through a displacement conversion structure, and the displacement conversion structure is configured to convert the linear motion of the pull rod 403 into the rotation of the jaws 402 around the hinge point thereof; therefore, the pull rod 403 is utilized to overcome the elasticity of the second elastic element 401 when moving, the displacement conversion structure drives the clamping jaws 402 to rotate, the far ends of the two clamping jaws 402 can be simultaneously separated from each other, the binding on the forceps base 201 is relieved, the forceps head assembly 2 can be separated from the forceps body 1, a new forceps head assembly 2 head is replaced, the pull rod 403 is loosened, the two clamping jaws 402 reset under the action of the second elastic element 401, the forceps base 201 is clamped again, the rapid replacement of the forceps head assembly 2 is realized, and the use convenience is improved.
The displacement conversion structure comprises a driving pin 404 and oblique holes 4021 formed in the proximal ends of the clamping jaws 402, the hinge points of the clamping jaws 402 on the mounting base 101 are located between the distal ends of the clamping jaws 402 and the oblique holes 4021, the driving pin 404 is simultaneously inserted into the oblique holes 4021 of the two clamping jaws 402, in a projection plane perpendicular to the axis of the driving pin 404, the projections of the oblique holes 4021 of the two clamping jaws 402 are mutually crossed, and the projections of the two clamping jaws 402 are also mutually crossed; so that the linear movement of the pull rod 403 is converted into a rotation of the two clamping jaws 402 about their hinge point at the same time.
The second elastic element 401 is disposed at the proximal end of the forceps body 1, and the second elastic element 401 may be a spring, the button 405 is fixed at the proximal end of the pull rod 403, one end of the second elastic element 401 abuts against the button 405, and the other end abuts against the forceps body 1; by arranging the second elastic element 401 at the proximal end of the forceps body 1, the compactness of the structure at the position of the clamping jaw 402 can be improved, and the miniaturization of the size of the distal end of the forceps applying forceps is facilitated; meanwhile, the button 405 is provided to facilitate the operation during the assembling and disassembling, specifically, the button 405 is pressed towards the distal end of the forceps body 1, so that the distal ends of the two clamping jaws 402 can be separated from each other, and the clamping of the forceps base 201 is released.
The distal end of the clamping jaw 402 is provided with a protrusion 4022, the jaw base 201 is provided with a groove 2011 for embedding the protrusion 4022, and when the clamping jaw 402 clamps the jaw base 201, the protrusion 4022 on the clamping jaw 402 is embedded into the groove 2011; thereby improving the clamping effect.
A pressing member 406 is slidably mounted on the mounting seat 101, a third elastic element 407 is disposed between the pressing member 406 and the mounting seat 101, the third elastic element 407 can specifically adopt a spring, one end of the third elastic element 407 abuts against the mounting seat 101, the other end abuts against the caliper seat 201, and the pressing member 406 abuts against the proximal end of the caliper seat 201; the pressing piece 406 is abutted against the clamp seat 201, so that the clamp seat 201 is more attached to the protrusion 4022 of the clamping jaw 402, namely the clamp seat 201 is clamped between the pressing piece 406 and the protrusion 4022 of the clamping jaw 402 at the same time, and therefore the clamp seat 201 is prevented from shaking, and the connection stability is improved.
An extension rod 102 is fixed on the forceps body 1, and the mounting seat 101 is fixed at the far end of the extension rod 102; the compactness of the structure can be improved.
At least one supporting block 103 is fixed on the extension rod 102, and the pull rod 403 passes through the supporting block 103 and is connected with the supporting block 103 in a sliding manner; the support block 103 is used for supporting the pull rod 403, so that the pull rod 403 is prevented from bending and deforming when the clamping jaw 402 is pushed due to long length.
In this embodiment, the control body 3 is annular, and when the coupling mechanism 4 fixes the forceps holder 201 on the forceps body 1, the control body 3 is sleeved outside the forceps holder 201 along with the forceps holder, and is used for simultaneously pushing the two forceps arms 203 to rotate so as to realize the mutual closing of the two forceps arms 203; in the initial state, the distal ends of the two forceps arms 203 are away from each other under the action of the first elastic element 202 until the two forceps arms 203 are both abutted against the inner ring wall of the control body 3, so that the opening amplitude of the two forceps arms 203 is maintained by the control body 3; or, in the initial state, the two forceps arms 203 are not in contact with the inner ring wall of the control body 3, and after the control body 3 moves a distance to the far end, the two forceps arms 203 are in contact with the inner ring wall of the control body 3; when the control body 3 is operated by the firing mechanism 5 to move towards the distal end, the control body 3 applies component force to the two forceps arms 203 to force the distal ends of the two forceps arms 203 to approach each other by overcoming the elastic force of the first elastic element 202, the first elastic element 202 compresses the stored energy, and when the control body 3 is operated by the firing mechanism 5 to move towards the proximal end, the two forceps arms 203 are separated from each other again under the action of the first elastic element 202.
Or, there are two control bodies 3, when the coupling mechanism 4 fixes the forceps base 201 on the forceps body 1, the two control bodies 3 reach the forceps head assembly 2, the two control bodies 3 are respectively located at two sides of the forceps base 201 and are used for respectively pushing one forceps arm 203 to rotate so as to realize that the two forceps arms 203 are mutually closed; the far ends of the two forceps arms 203 are far away from each other under the action of the first elastic element 202 until the outer side surfaces of the two forceps arms 203 respectively abut against the inner side surfaces of the corresponding control bodies 3, so that the two control bodies 3 maintain the opening range of the two forceps arms 203; or, the inner side surface of the control body 3 is not in contact with the outer side surface of the corresponding forceps arm 203 in the initial state, and after the control body 3 moves a distance to the far end, the two forceps arms 203 are respectively in contact with the inner side surfaces of the corresponding control bodies 3; when the control body 3 is operated by the firing mechanism 5 to move towards the distal end, the two control bodies 3 respectively apply component forces to the two forceps arms 203 to force the distal ends of the two forceps arms 203 to approach each other by overcoming the elastic force of the first elastic element 202, the first elastic element 202 compresses for energy storage, and when the control body 3 is operated by the firing mechanism 5 towards the proximal end, the two forceps arms 203 are moved away from each other again under the action of the first elastic element 202.
The firing mechanism 5 comprises a trigger 501, a transmission tube 502, a barrel 503 and a return spring 504, the barrel 503 is slidably mounted on the caliper body 1 along the axial direction thereof, the proximal end of the barrel 503 is fixedly connected with the transmission tube 502, and the distal end of the barrel 503 is fixedly connected with the control body 3;
one end of the reset spring 504 is abutted against the transmission tube 502, the other end of the reset spring is abutted against the clamp body 1, a step surface 5021 is arranged on the transmission tube 502, the trigger 501 is hinged with the clamp body 1, and one end of the trigger 501 close to the transmission tube 502 is abutted against the step surface 5021; in this embodiment, the extension rod 102, the pull rod 403, the pressing member 406 and the mounting seat 101 are all disposed in the barrel 503, and the distal end of the barrel 503 is provided with an avoiding hole for the clamping jaw 402 to pass through;
when the tissue clamping device is used, the trigger 501 is pulled, the trigger 501 pulls the transmission tube 502, the transmission tube 502 drives the barrel 503 to move towards the far end along the axis direction, and therefore the control body 3 on the transmission tube 502 is driven to move towards the far end, wherein the reset spring 504 is compressed in the process that the transmission tube 502 moves towards the far end, therefore, when the trigger 501 is loosened, the reset spring 504 can drive the transmission tube 502 to move towards the near end, so that the control body 3 is driven to reset, and then the control body 3 controls the two clamp arms 203 to open or close, so that tissue can be clamped.
The operating principle of the clip applier capable of being used for multiple times in the embodiment is as follows:
when the binding clip assembly 2 is replaced, the button 405 is pressed, the second elastic element 401 is compressed, the pull rod 403 is displaced towards the far end, the driving pin 404 moves in the oblique hole 4021 along with the movement of the driving pin, the far ends of the two clamping jaws 402 are separated from each other, the binding on the binding clip 201 is released, the binding clip assembly 2 is separated from the binding clip body 1, a new binding clip assembly 2 head is replaced, the button 405 is released, the pull rod 403 is reset under the action of the second elastic element 401, the two clamping jaws 402 are reset along with the resetting, and the binding clip 201 is clamped again, so that the quick replacement of the binding clip assembly 2 is realized.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A reusable clip applier which is characterized by: the method comprises the following steps:
a clamp body (1);
the forceps head assembly (2) is provided with a forceps base (201), a first elastic element (202) and two forceps arms (203), the proximal ends of the forceps arms (203) are hinged to the forceps base (201), and the first elastic element (202) is used for forcing the distal ends of the two forceps arms (203) to be away from each other;
the control body (3) is arranged at the far end of the forceps body (1);
the firing mechanism (5) is used for driving the control body (3) to reciprocate along the linear direction;
the connecting mechanism (4) is used for detachably fixing the forceps head assembly (2) at the far end of the forceps body (1), and when the forceps base (201) is fixed on the forceps body (1) by the connecting mechanism (4), the control body (3) arrives at the forceps head assembly (2) along with the forceps head assembly, and can control the opening or closing of the two forceps arms (203) through the linear reciprocating motion of the control body;
the connecting mechanism (4) comprises a second elastic element (401) and two clamping jaws (402), the far end of the clamp body (1) is fixedly provided with an installation seat (101), the two clamping jaws (402) are hinged to the installation seat (101), and the far ends of the clamping jaws (402) are mutually closed under the action of the second elastic element (401) to clamp the clamp seat (201);
the far end of the clamping jaw (402) is provided with a protrusion (4022), the jaw seat (201) is provided with a groove (2011) for embedding the protrusion (4022), and when the clamping jaw (402) clamps the jaw seat (201), the protrusion (4022) on the clamping jaw (402) is embedded into the groove (2011);
the clamp is characterized in that a pressing piece (406) is slidably mounted on the mounting seat (101), a third elastic element (407) is arranged between the pressing piece (406) and the mounting seat (101), one end of the third elastic element (407) abuts against the mounting seat (101), the other end of the third elastic element abuts against the clamp seat (201), and the pressing piece (406) abuts against the near end of the clamp seat (201) so that the clamp seat (201) is clamped between the pressing piece (406) and the protrusion (4022) of the clamping jaw (402).
2. The multi-use clip applier of claim 1, wherein: the coupling mechanism (4) further comprises a pull rod (403), the pull rod (403) is connected with the forceps body (1) in a sliding mode, the proximal ends of the clamping jaws (402) are connected with the distal end of the pull rod (403) in a transmission mode through a displacement conversion structure, and the displacement conversion structure is arranged to convert linear motion of the pull rod (403) into rotation of the clamping jaws (402) around hinge points of the displacement conversion structure.
3. The multi-use clip applier of claim 2, wherein: the displacement conversion structure comprises a driving pin (404) and oblique holes (4021) formed in the proximal ends of the clamping jaws (402), the driving pin (404) is inserted into the oblique holes (4021) of the two clamping jaws (402) simultaneously, and projections of the oblique holes (4021) of the two clamping jaws (402) are intersected with each other in a projection plane perpendicular to the axis of the driving pin (404).
4. The multi-use clip applier of claim 2, wherein: the second elastic element (401) is arranged at the near end of the forceps body (1), a button (405) is fixed at the near end of the pull rod (403), one end of the second elastic element (401) props against the button (405), and the other end of the second elastic element props against the forceps body (1).
5. The multi-use clip applier of claim 2, wherein: an extension rod (102) is fixed on the forceps body (1), and the mounting seat (101) is fixed at the far end of the extension rod (102).
6. The multi-use clip applier of claim 5, wherein: at least one supporting block (103) is fixed on the extension rod (102), and the pull rod (403) penetrates through the supporting block (103) and is in sliding connection with the supporting block (103).
7. The multi-use clip applier of claim 2, wherein: the control body (3) is annular, and when the clamp seat (201) is fixed on the clamp body (1) by the connecting mechanism (4), the control body (3) is sleeved outside the clamp seat (201) and is used for simultaneously pushing the two clamp arms (203) to rotate so as to realize the mutual closing of the two clamp arms (203);
or the number of the control bodies (3) is two, when the forceps holder (201) is fixed on the forceps body (1) through the connecting mechanism (4), the two control bodies (3) arrive at the forceps head assembly (2), and the two control bodies (3) are respectively positioned at two sides of the forceps holder (201) and are used for respectively pushing one forceps arm (203) to rotate so as to realize the mutual closing of the two forceps arms (203).
8. The multi-use clip applier of claim 2, wherein: the firing mechanism (5) comprises a trigger (501), a transmission pipe (502), a gun tube (503) and a return spring (504), the gun tube (503) is slidably mounted on the forceps body (1) along the axis direction of the gun tube, the near end of the gun tube (503) is fixedly connected with the transmission pipe (502), and the far end of the gun tube (503) is fixedly connected with the control body (3);
one end of the reset spring (504) is abutted against the transmission tube (502), the other end of the reset spring is abutted against the clamp body (1), a step surface (5021) is arranged on the transmission tube (502), the trigger (501) is hinged to the clamp body (1), and one end, close to the transmission tube (502), of the trigger (501) is abutted against the step surface (5021).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027235.6A CN113598867B (en) | 2021-09-02 | 2021-09-02 | Reusable clip applier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027235.6A CN113598867B (en) | 2021-09-02 | 2021-09-02 | Reusable clip applier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113598867A CN113598867A (en) | 2021-11-05 |
| CN113598867B true CN113598867B (en) | 2023-01-03 |
Family
ID=78309969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111027235.6A Active CN113598867B (en) | 2021-09-02 | 2021-09-02 | Reusable clip applier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113598867B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115444491B (en) * | 2022-10-11 | 2024-01-30 | 常州市久虹医疗器械有限公司 | Clamping assembly and hemostatic device for endoscope |
| CN119344828B (en) * | 2024-12-27 | 2025-03-18 | 四川省医学科学院·四川省人民医院 | A plastic surgical instrument |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105431094A (en) * | 2013-07-10 | 2016-03-23 | 波士顿科学国际有限公司 | A clamp device for grasping tissue and closing wounds |
| CN209059326U (en) * | 2018-02-05 | 2019-07-05 | 兰州西脉记忆合金股份有限公司 | A kind of hysteroscope Clip Applier |
| CN110522489A (en) * | 2019-09-29 | 2019-12-03 | 山东威瑞外科医用制品有限公司 | A kind of Clip Applier instrument |
| CN212853573U (en) * | 2020-04-03 | 2021-04-02 | 杭州澳光医疗器械有限公司 | Can dismantle biological titanium clamp |
-
2021
- 2021-09-02 CN CN202111027235.6A patent/CN113598867B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113598867A (en) | 2021-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111200978B (en) | Surgical device with overload mechanism | |
| US6099536A (en) | Hydraulic powered surgical device | |
| US5122150A (en) | Neurosurgical clip applier | |
| CN113598867B (en) | Reusable clip applier | |
| US7264625B1 (en) | Surgical clip applier with remote operation | |
| JP5198487B2 (en) | Flexible clip applier actuator and detachable connector | |
| CN109864788A (en) | Scalp hemostasis rifle and magazine component | |
| JP4488257B2 (en) | Surgical tool with a compliant shaft | |
| RU2006133129A (en) | CLIPS APPLICATION DEVICE WITH POSSIBILITY TO PREVENT CLIP | |
| EP2875786A3 (en) | Apparatus for applying surgical clips | |
| CN103654897A (en) | Surgical fastener applying apparatus including fluid-activated firing mechanism | |
| CN111265269A (en) | Medical instrument | |
| CN118303952A (en) | Laparoscopic surgical instrument | |
| WO2025223578A1 (en) | Laparoscopic surgical instrument based on gear control | |
| JP2022077977A (en) | Electric surgical instruments | |
| CN110897697B (en) | Fixing device with absorbable rib embracing plate | |
| WO2004024006A1 (en) | Suture apparatus | |
| CN113648019B (en) | Clip applier and binding clip subassembly thereof | |
| CN216495413U (en) | Biopsy forceps and endoscopic surgery device | |
| US4995876A (en) | Neurosurgical clip applier | |
| CN221285844U (en) | Manual minimally invasive surgical instrument with unidirectional locking function | |
| CN217408859U (en) | Biopsy forceps suitable for high-precision operation | |
| CN221285884U (en) | Handheld minimally invasive surgical instrument | |
| CN218979055U (en) | Gear-driven hand-held trigger anastomotic ring vascular anastomosis device | |
| CN221830688U (en) | Anastomat with safety component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 213000 No. 24-4, Changyang Road, West Taihu Lake Science and Technology Industrial Park, Changzhou City, Jiangsu Province Applicant after: CHANGZHOU WAKE MEDICAL DEVICES Co.,Ltd. Address before: 213100 No. 21, Huafeng Road, Dingyan street, Wujin District, Changzhou City, Jiangsu Province Applicant before: CHANGZHOU WAKE MEDICAL DEVICES Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |