CN222533348U - Angle-adjustable clip applier - Google Patents

Abstract

The utility model discloses an angle-adjustable clamping forceps, comprising a handle seat, a clamp head assembly, a movable handle, a rotating handle, a bending handle, an outer tube, a rotating rod, a rotating mandrel and a pull rope assembly. The clamp head assembly comprises a clamp head base and a chuck assembly. The bending handle is coaxially rotatably mounted on the rotating handle. The distal end of the rotating rod is hinged with the clamp head base, and the proximal end is fixedly connected to the rotating handle. The distal end of the rotating mandrel is movably connected with the clamp head base, and the proximal end is transmission-connected with the bending handle. The distal end of the pull rope assembly is connected with the chuck assembly, and the proximal end is transmission-connected with the movable handle. The movable handle is suitable for driving the chuck assembly to open and close through the pull rope assembly, the rotating handle is suitable for driving the clamp head base to rotate through the rotating rod, and the bending handle is suitable for driving the clamp head base to swing through the rotating mandrel. The utility model can realize both the swing of the clamp head and the rotation of the clamp head, realize more angle adjustments, and has a simple overall structure and is easy to use.

Description

Angle-adjustable clip applier

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an angle-adjustable clip applier.

Background

Clip appliers are currently common medical devices commonly used in surgical procedures. The current clip applier generally comprises a clip handle, a clip head, an outer tube fixed on the clip handle and a push rod arranged in the outer tube, wherein one end of the push rod is connected with the clip handle, the other end of the push rod is connected with the clip head, and the clip handle is used for driving the push rod to move along the outer tube so as to drive the clip head to open and close. The outer tube of clip applier generally comprises a first sleeve pipe, and the binding clip is installed in the one end of outer tube, and the binding clip can open and shut in order to realize centre gripping and release function, but the installation angle of binding clip is fixed, in the in-service use, for example in the operation process, can't adjust the angle of binding clip according to actual need, is unfavorable for in-service use.

The Chinese patent publication No. CN 113349871B discloses a clamp applier with adjustable angle of the clamp head, which is provided with an angle adjusting device, and the angle of the clamp head is adjusted by pulling a rocking handle, but the whole structure is complex, only the angle adjustment in a plane can be realized, the space adjustment can not be realized, the operation is limited, and the clamp applier with the structure needs to be further improved.

Disclosure of utility model

The utility model aims to provide an angle-adjustable clip applier for overcoming the defects of the prior art, which not only can realize the swing of a clip, but also can realize the rotation of the clip, so as to realize more angle adjustment, and has simple integral structure and convenient use.

The technical scheme for realizing the purpose of the utility model is as follows:

The utility model provides an angle adjustable clamp applier, includes handle holder, binding clip subassembly, articulates the movable handle at the handle holder lower extreme, locates the twist grip, the bent handle and the outer tube of handle holder distal end in proper order to and set up the dwang in the outer tube, rotate ejector pin and stay cord subassembly, the binding clip subassembly includes the binding clip base and installs the chuck subassembly at the binding clip base distal end, the coaxial rotation of bent handle is installed on the twist grip, the distal end and the binding clip base of dwang articulate mutually, and proximal end and twist grip link firmly, the distal end and the binding clip base swing joint of bent handle transmission of twist ejector pin, proximal end and bent handle transmission are connected, the distal end and the chuck subassembly of stay cord subassembly link to each other, the movable handle is suitable for driving the chuck subassembly through the stay cord subassembly and opens and shuts the action, the twist grip is suitable for driving the binding clip base through the dwang and rotates the action, the bent handle is suitable for driving the binding clip base through rotating the ejector pin and swings the action.

Further, the rotating ejector rod comprises an ejector rod body which axially slides and is fixedly sleeved outside the rotary rod along the circumferential direction, an ejector rod seat which is rotatably mounted at the proximal end of the ejector rod body, and a push rod which is fixedly eccentrically mounted at the distal end of the ejector rod body, wherein a connecting pin is arranged at the distal end of the push rod, an eccentric hole corresponding to the connecting pin is arranged at the proximal end of the clamp head base, and the connecting pin is inserted into the eccentric hole.

Further, the outer peripheral surface of ejector rod seat is equipped with the helicla flute, the turn handle includes first sleeve pipe and coaxial rotation locates the first knob of first sleeve pipe proximal end, the outer tube links firmly with first sheathed tube distal end, the inner circle of first knob is equipped with integrated into one piece's reference column, the reference column cooperation is inserted and is located in the helicla flute.

Further, the rotary handle comprises a second sleeve fixedly installed on the handle seat and a second knob coaxially and rotatably arranged at the distal end of the second sleeve, the proximal end of the first knob is rotatably arranged on the second sleeve, and the second knob is coaxially and fixedly connected with the rotary rod.

Further, the surface of the first knob is provided with grid lines.

Further, the far end of the ejector rod seat is provided with an annular step, the near end of the ejector rod body is provided with an annular step groove matched with the annular step, and the annular step is inserted in the annular step groove.

Further, the outer peripheral surface of the rotary rod is symmetrically provided with outwards protruding convex parts, and a first sliding groove which is matched with the convex parts and is axially arranged is arranged in the shaft hole of the rotary ejector rod.

Further, the chuck assembly is including all articulating on the binding clip base and being two clamping pieces that the cross set up, be equipped with in advance on the pin joint of two clamping pieces with the torsional spring of clamping piece looks butt, the proximal end of clamping piece is equipped with the bar groove, is connected with the drive shaft between two bar grooves, the stay cord assembly is including first pull rod and the wire rope that link to each other to set up, wire rope's distal end links to each other with the drive shaft, first pull rod is along the axial slip setting and with movable handle transmission connection.

Further, be equipped with in the handle seat along axial extension and along upper and lower parallel arrangement's second spout and third spout, be equipped with the driving lever of articulated on the handle seat between second spout and the third spout, the proximal end of first pull rod is inserted and is located in the second spout, it is equipped with the second pull rod to slide in the third spout, movable handle's top activity is inserted and is located in the second pull rod, the driving lever is along setting up and both ends activity respectively insert in first pull rod and the second pull rod along the opposite direction slope with movable handle.

By adopting the technical scheme, the utility model has the following beneficial effects:

(1) According to the utility model, the movable handle is pulled, so that the chuck assembly is driven to open and close through the pull rope assembly, the foundation clamping function is realized, on the basis, the rotary handle and the turning handle are additionally arranged, and the whole clamp head base is driven to rotate and swing through the rotary rod and the rotary ejector rod respectively, so that more space angle adjustment is realized, the whole structure is simple, and the use is convenient.

(2) The rotary ejector rod is inserted into the eccentric hole of the clamp head base through the connecting pin to realize movable connection, so that the rotary ejector rod can drive the clamp head base to rotate, and free expansion and contraction of the rotary ejector rod can be ensured not to be disturbed.

(3) According to the utility model, the ejector rod seat is moved back and forth while rotating through the cooperation of the positioning column and the spiral groove, so that the ejector rod body is driven to move back and forth, the clamp head assembly is pushed to swing, the structure is simple, the adjusting precision is high, the ejector rod seat is rotationally connected with the ejector rod body along the circumferential direction, the ejector rod seat is not caused to rotate when the clamp head seat rotates, and interference with the clamp head swing is avoided.

(4) The first knob is provided with grid lines, so that the surface roughness is improved, and the operator can conveniently rotate and adjust the first knob.

(5) According to the utility model, the ejector rod seat and the ejector rod body are connected in a rotating way through the annular steps and the annular step grooves which are matched with each other, so that the structure is simple, and the assembly is convenient.

(6) According to the utility model, through the convex parts and the first sliding grooves which are matched with each other, the circumferential fixation and the axial sliding of the ejector rod body and the rotary rod are realized.

(7) The pull rope component adopts a structure of combining the pull rod and the steel wire rope, and the steel wire rope has certain flexibility, so that the driving shaft can still be normally pulled to act after the clamp head base swings, further the clamping piece is closed, and conversely, the clamping piece is reset through the torsion of the torsion spring, and further the steel wire rope is driven to return through the driving shaft.

(8) The utility model skillfully utilizes the deflector rod and the two pull rods which are arranged in parallel, thereby realizing that the pull rope component is pulled to move towards the near end when the movable handle is gripped, changing the transmission direction in the traditional structure, and further realizing that the chuck component can be closed through the pull rope component.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the bent state structure of the clamp head assembly of the present utility model;

FIG. 4 is a schematic view of the construction of the binding clip assembly of the present utility model;

fig. 5 is a schematic view of the assembled rotary handle and twist grip of the present utility model.

The reference numerals in the drawings are:

The clamp comprises a handle seat 1, a clamp head assembly 2, a clamp head base 2-1, an eccentric hole 2-1-1, a clamp head assembly 2-2, a clamping piece 2-2-1, a driving shaft 2-3, a movable handle 3, a rotary handle 4, a second sleeve 4-1, a second knob 4-2, a bending handle 5, a first sleeve 5-1, a first knob 5-2, a positioning column 5-3, an outer tube 6, a rotary rod 7, a convex part 7-1, a rotary ejector rod 8, an ejector rod body 8-1, a first sliding groove 8-1-1, an ejector rod seat 8-2, a spiral groove 8-2-1, a push rod 8-3, a connecting pin 8-4, a pull rope assembly 9, a first pull rod 9-1, a steel wire rope 9-2, a deflector rod 10 and a second pull rod 11.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Example 1

The angle-adjustable clip applier shown in fig. 1 to 5 comprises a handle seat 1, a clip head assembly 2, a movable handle 3, a rotary handle 4, a turning handle 5, an outer tube 6, a rotary rod 7, a rotary ejector rod 8 and a pull rope assembly 9, wherein the clip head assembly 2 comprises a clip head base 2-1 and a clip head assembly 2-2 arranged at the far end of the clip head base 2-1, the movable handle 3 is hinged at the lower end of the handle seat 1, the rotary handle 4, the turning handle 5 and the outer tube 6 are sequentially arranged at the far end of the handle seat 1, the rotary rod 7, the rotary ejector rod 8 and the pull rope assembly 9 are all arranged in the outer tube 6, and the turning handle 5 is coaxially and rotatably arranged on the rotary handle 4. The distal end of the pull rope component 9 is connected with the chuck component 2-2, and the proximal end is in transmission connection with the movable handle 3, so that the chuck component is driven to open and close by the pull rope component 9. The distal end of the rotary rod 7 is hinged with the center of the proximal end of the clamp head base 2-1, and the proximal end is fixedly connected with the rotary handle 4, so that the clamp head base 2-1 is driven to rotate by the rotary handle 4 through the rotary rod 7. The far end of the rotary ejector rod 8 is movably connected with the clamp head base 2-1, and the near end is in transmission connection with the turning handle 5, so that the clamp head base 2-1 is driven to swing around the rotary rod 7 by rotating the turning handle 5 through the rotary ejector rod 8. The whole structure is neat, more space angle adjustment is realized when the foundation clip application function is realized, and the whole structure is concise and convenient to use.

Specifically, the chuck assembly 2-2 comprises two clamping pieces 2-2-1 which are hinged on the clamp head base 2-1 and are arranged in a crisscross manner, and torsion springs which are abutted against the clamping pieces 2-2-1 are pre-arranged on the hinge points of the two clamping pieces 2-2-1, so that the two clamping pieces 2-1 can be opened again when external force for driving the two clamping pieces 2-2-1 to be closed is removed. The proximal end of the clamping piece 2-2-1 is provided with a bar-shaped groove, a driving shaft 2-3 is connected between the two bar-shaped grooves, the pull rope assembly 9 comprises a first pull rod 9-1 and a steel wire rope 9-2 which are arranged in a connected mode, and the distal end of the steel wire rope 9-2 is connected with the driving shaft 2-3.

The handle seat 1 is internally provided with a second chute and a third chute which extend along the axial direction and are arranged in parallel up and down, a deflector rod 10 hinged on the handle seat 1 is arranged between the second chute and the third chute, the proximal end of the first pull rod 9-1 is inserted in the second chute, the third chute is internally provided with a second pull rod 11 in a sliding manner, the top of the movable handle 3 is movably inserted in the second pull rod 11, the deflector rod 10 is obliquely arranged along the direction opposite to the movable handle 3, and two ends of the deflector rod 10 are respectively movably inserted in the first pull rod 9-1 and the second pull rod 11. When the movable handle 3 is pulled, the second pull rod 11 is driven to move towards the distal end, the second pull rod 11 is driven to move towards the proximal end through the deflector rod 10, the steel wire rope 9-2 is pulled, the driving shaft 2-3 is driven to do relative motion along the crossed strip-shaped grooves, and therefore two clamping pieces are closed, meanwhile, the steel wire rope 9-2 has certain flexibility, and therefore the driving shaft 2-3 can still be normally pulled to move after the clamp head assembly swings for a certain angle, and rotation of the clamp head assembly cannot be interfered.

The rotary ejector rod 8 comprises an ejector rod body 8-1 which axially slides and circumferentially and fixedly sleeved outside the rotary rod 7, an ejector rod seat 8-2 which is rotatably mounted at the proximal end of the ejector rod body 8-1, and a push rod 8-3 which is fixedly and eccentrically mounted at the distal end of the ejector rod body 8-1, wherein a connecting pin 8-4 is arranged at the distal end of the push rod 8-3, an eccentric hole 2-1-1 which corresponds to the connecting pin 8-4 is arranged at the proximal end of the clamp head base 2-1, and the connecting pin is inserted into the eccentric hole 2-1-1, so that the movable connection between the rotary ejector rod 8 and the clamp head base 2-1 is realized.

Specifically, the distal end of the ejector rod seat 8-2 is provided with an annular step, the proximal end of the ejector rod body 8-1 is provided with an annular step groove matched with the annular step, and the annular step is inserted in the annular step groove in pairs, so that circumferential rotation connection and axial fixed connection are realized. The outer peripheral surface of the ejector rod seat 8-2 is provided with a spiral groove 8-2-1, the bending handle 5 comprises a first sleeve 5-1 and a first knob 5-2 coaxially and rotatably arranged at the proximal end of the first sleeve 5-1, the outer tube 6 is fixedly connected with the distal end of the first sleeve 5-1, the inner ring of the first knob 5-2 is provided with an integrally formed positioning column 5-3, and the positioning column 5-3 is matched and inserted into the spiral groove 8-2-1. When the first knob 5-2 is turned, the ejector rod seat 8-2 is driven by the positioning column to move towards the far end while rotating, so that the ejector rod body 8-1 is pushed to move forwards, and the clamp head base 2-1 is pushed to swing around the rotary rod 7, so that angle deflection is realized. The surface of the first knob 5-2 is provided with grid lines, thereby improving the surface roughness and facilitating the rotation and adjustment of an operator.

The rotary handle 4 comprises a second sleeve 4-1 fixedly arranged on the handle seat 1 and a second knob 4-2 coaxially rotatably arranged at the far end of the second sleeve 4-1, the near end of the first knob 5-2 is rotatably arranged on the second sleeve 4-1, the second knob 4-2 is fixedly connected with the rotary rod 7 coaxially, the second knob 4-2 is rotated to drive the clamp head base 2-1 to rotate, and the clamp head base 2-1 is deflected to realize space angle adjustment. The outer peripheral surface of the rotary rod 7 is symmetrically provided with outwards-protruding convex parts 7-1, and a first chute 8-1-1 which is matched with the convex parts 7-1 and is axially arranged in the shaft hole of the ejector rod body 8-1, so that circumferential fixation and axial sliding of the ejector rod body 8-1 and the rotary rod 7 are realized. When the clamp head base 1 rotates, the ejector rod body is driven to synchronously rotate through the cooperation of the convex part 7-1 and the first sliding groove 8-1, and meanwhile, the ejector rod body 8-1 is in rotary cooperation with the ejector rod seat 8-2, so that the ejector rod body 8-1 cannot move forwards and backwards, and the rotation and swing cooperation of the clamp head assembly 2 is realized.

According to the utility model, the movable handle is pulled, so that the chuck assembly is driven to open and close through the pull rope assembly, the foundation clamping function is realized, on the basis, the rotary handle and the turning handle are additionally arranged, and the whole clamp head base is driven to rotate and swing through the rotary rod and the rotary ejector rod respectively, so that more space angle adjustment is realized, the whole structure is simple, and the use is convenient.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims (9)

1. The angle-adjustable clip applier is characterized by comprising a handle seat, a clip head assembly, a movable handle hinged at the lower end of the handle seat, a rotating handle, a bending handle, an outer tube, a rotating rod, a rotating ejector rod and a pull rope assembly, wherein the rotating handle, the bending handle and the outer tube are sequentially arranged at the far end of the handle seat, the rotating rod, the rotating ejector rod and the pull rope assembly are arranged in the outer tube, the clip head assembly comprises a clip head base and a chuck assembly arranged at the far end of the clip head base, the bending handle is coaxially and rotatably arranged on the rotating handle, the far end of the rotating rod is hinged with the clip head base, the near end of the rotating ejector rod is fixedly connected with the rotating handle, the far end of the rotating ejector rod is movably connected with the clip head base, the near end of the pull rope assembly is in transmission connection with the movable handle, the movable handle is suitable for pulling the chuck assembly to open and close through the pull rope assembly, the rotating handle is suitable for driving the clip head base to rotate through the rotating rod, and the bending handle is suitable for driving the clip head base to swing through the rotating ejector rod.

2. The angle-adjustable clip applier of claim 1, wherein said rotatable ejector rod comprises an ejector rod body axially sliding and circumferentially fixedly sleeved outside the rotary rod, an ejector rod seat rotatably mounted at a proximal end of the ejector rod body, and a push rod fixedly eccentrically mounted at a distal end of the ejector rod body, a connecting pin is disposed at a distal end of the push rod, an eccentric hole corresponding to the connecting pin is disposed at a proximal end of the clip base, and the connecting pin is inserted into the eccentric hole.

3. The angle-adjustable clip applier of claim 2 wherein a spiral groove is formed in the outer circumferential surface of the ejector rod seat, the turning handle comprises a first sleeve and a first knob coaxially and rotatably arranged at the proximal end of the first sleeve, the outer tube is fixedly connected with the distal end of the first sleeve, an integrally-formed positioning column is arranged on the inner ring of the first knob, and the positioning column is matched and inserted into the spiral groove.

4. The angle-adjustable clip applier of claim 3 wherein said twist grip includes a second sleeve fixedly mounted on said grip base and a second knob coaxially rotatably disposed on a distal end of said second sleeve, said proximal end of said first knob rotatably disposed on said second sleeve, said second knob being coaxially fixedly attached to said twist post.

5. The angle adjustable clip applier of claim 3, wherein a surface of said first knob is provided with grid lines.

6. The angle-adjustable clip applier of claim 2, wherein said distal end of said plunger seat is provided with an annular step, said proximal end of said plunger body is provided with an annular step groove adapted to the annular step, said annular step being inserted in said annular step groove.

7. The angle-adjustable clip applier of claim 2 wherein said outer circumferential surface of said rotary rod is symmetrically provided with an outwardly protruding portion, and said shaft hole of said rotary ejector rod is internally provided with a first chute adapted to said protruding portion and disposed in an axial direction.

8. The angle-adjustable clip applier of claim 1, wherein the clip assembly comprises two clips hinged on the clip base and arranged in a crisscross manner, torsion springs abutted against the clips are pre-arranged on the hinge points of the two clips, strip grooves are formed in the proximal ends of the clips, a driving shaft is connected between the two strip grooves, the pull rope assembly comprises a first pull rod and a steel wire rope which are arranged in a connecting manner, the distal end of the steel wire rope is connected with the driving shaft, and the first pull rod is arranged in a sliding manner along the axial direction and is in transmission connection with the movable handle.

9. The angle-adjustable clip applier of claim 8, wherein a second chute and a third chute which extend along the axial direction and are arranged in parallel up and down are arranged in the handle seat, a deflector rod hinged on the handle seat is arranged between the second chute and the third chute, the proximal end of the first pull rod is inserted into the second chute, a second pull rod is slidably arranged in the third chute, the top of the movable handle is movably inserted into the second pull rod, the deflector rod is obliquely arranged along the direction opposite to the movable handle, and two ends of the deflector rod are movably inserted into the first pull rod and the second pull rod respectively.