CN216985034U

CN216985034U - Detachable universal rongeur

Info

Publication number: CN216985034U
Application number: CN202120391220.7U
Authority: CN
Inventors: 彭以刚
Original assignee: Hunan Boke Medical Technology Co ltd
Current assignee: Hunan Boke Medical Technology Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2022-07-19
Anticipated expiration: 2031-02-22

Abstract

The utility model provides a detachable universal rongeur, which comprises: the occluding binding clip comprises a movable binding clip and a static binding clip, wherein the movable binding clip is sleeved on the static binding clip in a sliding manner; the near end of the static clamp sheet is detachably connected with the far end of the connecting tube body; the pushing rod is slidably sleeved in the connecting pipe body, and the connecting end of the pushing rod is detachably connected with the movable clamp piece; the occlusion forceps body is provided with a containing tube cavity, and the near end of the connecting tube body is movably sleeved in the containing tube cavity; the outer sleeve of the taper locking piece is sleeved on the outer wall of the occlusion clamp body to control the rotation of the connecting pipe body; the movable clamp foot is hinged on the occluding clamp body, and the upper end of the movable clamp foot is in contact connection with the near end of the push rod; the static clamp foot is fixedly connected with the occluding clamp body; the movable clamp foot can rotate relative to the static clamp foot, so that the movable clamp piece is driven to slide at the occlusion position through the push rod.

Description

Detachable universal rongeur

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a detachable universal rongeur.

Background

Rongeurs, such as gun rongeurs, must have sharp cutting tips to perform precise surgery precisely near the skull and spine of a patient. The cutting tip rapidly becomes blunt due to the hard bone and tough tendons and ligaments, requiring sharpening after a limited number of cutting procedures. Many conventional cutting tips require sharpening using only 10-15 procedures, and thus, cutting tips are worn.

In neurosurgery or spine surgery, the rongeur is usually required to perform the rongeur treatment on the skull or the spine, the current clinical rongeur is composed of a binding clip, a binding clip rod and a binding clip handle, the direction of the jaw of the rongeur is fixed, an operator can only change the direction of the jaw of the rongeur by rotating an arm in the using process, the arm is easy to fatigue, and the force application difficulty in the operation is caused because the position of the arm in the operation is usually limited.

Application No. 201921036021.3 discloses a rotatable vertebral plate rongeur, including head, connecting rod, locking button and sleeve pipe, the head is connected with the connecting rod, and the connecting rod is inserted and is established in the sleeve pipe, the connecting rod is equipped with the constant head tank, locking button sets up outside the sleeve pipe, locking button has the locating piece, and the locating piece corresponds the setting with the constant head tank, and when locking button locks, the locating piece card is established in the constant head tank, and when locking button releases, the locating piece is deviate from the constant head tank. The utility model discloses a rotatable vertebral plate rongeur passes through the joint between connecting rod and the locking button, can make the head rotatory or lock, realizes head multi-angle rotating to reach the convenience that the operation was used, still have following problem:

1. the adjusting angle is limited, and the concentricity is controlled unstably;

2. the connecting rod and the upper and lower binding clip can not be disassembled, and the binding clip can not be replaced when damaged;

3. the maximum opening size of the jaw cannot be adjusted;

4. the service life of part of the clamp spring structure is short;

5. the whole structure is not easy to clean;

therefore, there is a need for a universal rongeur, which can change the direction of the jaw in multiple angles and in all directions, adjust the opening size of the jaw, and enable the jaw to be replaceable.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a detachable universal rongeur, which can change the direction of a jaw in a multi-angle and all-around manner, can adjust the opening size of the jaw, and can replace a binding clip so that a binding clip rod and a binding clip handle can be repeatedly used.

In order to achieve the above object, the present invention provides a detachable universal rongeur comprising:

the occlusion binding clip comprises a movable binding clip and a fixed binding clip, wherein the movable binding clip is sleeved on the fixed binding clip in a sliding manner and is provided with a near end and an opposite far end, the fixed binding clip is provided with a near end and an opposite far end, and the distance between the far end of the fixed binding clip and the far end of the movable binding clip forms a jaw;

the connecting tube body is provided with a near end and an opposite far end, and the near end of the static clamp sheet is detachably connected with the far end of the connecting tube body;

the pushing rod is slidably sleeved in the connecting pipe body and is provided with a connecting end and an opposite pushing end, and the connecting end is detachably connected with the movable clamp piece;

the occlusion forceps body is provided with a containing pipe cavity, and the proximal end of the connecting pipe body is movably sleeved in the containing pipe cavity;

the conical locking member is sleeved on the outer wall of the occlusion clamp body to control the rotation of the connecting pipe body;

the movable clamp foot is hinged to the occlusion clamp body, and the upper end of the movable clamp foot is connected with the near end of the push rod in a jacking contact manner;

the static clamp foot is fixedly connected with the occlusion clamp body;

the movable clamp foot can rotate relative to the static clamp foot, and the pushing rod is driven to move under the rotating action of the movable clamp foot so as to drive the movable clamp piece to move in a sliding mode relative to the static clamp piece at the occlusion position.

As a further improvement of the above scheme, the universal rongeur further comprises a reset elastic member, the reset elastic member is sleeved at the proximal end of the push rod, one end of the reset elastic member is in abutting contact with an in-tube boss at the proximal end of the connecting tube body, and the other end of the reset elastic member is in abutting contact with a first boss on the push rod.

As a further improvement of the above solution, the return elastic member includes, but is not limited to, a compression spring.

As a further improvement of the scheme, the universal rongeur further comprises an adjustable limiting part, wherein the adjustable limiting part is arranged at the tail end of the rongeur body and is abutted against the end head of the near end of the push rod.

As a further improvement of the scheme, the adjustable limiting part comprises but is not limited to a screw plug or a screw, and is used for adjusting the extending length of the proximal end of the push rod in the accommodating tube cavity of the occluding forceps body so as to limit the size of the jaws.

As a further improvement of the above scheme, the movable clamp piece is provided with a T-shaped groove, and correspondingly, the fixed clamp piece is provided with a T-shaped convex groove matched with the T-shaped groove, or the movable clamp piece is provided with a T-shaped convex groove, and correspondingly, the fixed clamp piece is provided with a T-shaped groove matched with the T-shaped convex groove, and the T-shaped convex groove and the T-shaped groove are matched with each other to form a slideway of the occluded clamp head.

As a further improvement of the scheme, the near end of the static clamp sheet is detachably connected with the far end of the connecting pipe body through a thread pair or a clamping groove.

As a further improvement of the scheme, the connecting end of the push rod is detachably connected with the movable clamp piece through a thread pair or an inlay.

As a further improvement of the scheme, the head of the occluding forceps body is provided with a conical elastic opening which is matched with the conical locking piece to control the rotation of the connecting pipe body.

As a further improvement of the above scheme, at least one limiting annular groove is provided on the outer sidewall of the proximal end of the connecting tube body, and correspondingly, a limiting screw matched with the limiting annular groove is provided on the occluding forceps body to limit the axial position of the connecting tube body.

As a further improvement of the above scheme, the distal end of the connecting tube body is provided with a limiting groove, the limiting groove is matched with the joint of the distal end of the static clamp piece, and an elastic sealing ring is further arranged at the joint of the proximal end of the static clamp piece and the distal end of the connecting tube body.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the utility model discloses a detachable universal rongeur, which comprises: the combined type pipe wrench comprises an occlusion binding clip, a connecting pipe body, a push rod, an occlusion binding clip body, a taper locking piece, a movable binding clip foot and a static binding clip foot, wherein the occlusion binding clip comprises a movable binding clip and a static binding clip, the movable binding clip is sleeved on the static binding clip in a sliding mode and provided with a near end and an opposite far end, the static binding clip is provided with a near end and an opposite far end, and a jaw is formed by the distance between the far end of the static binding clip and the far end of the movable binding clip; the near end of the static clamp sheet is detachably connected with the far end of the connecting pipe body; the pushing rod is slidably sleeved in the connecting pipe body, and the connecting end of the pushing rod is detachably connected with the movable clamp sheet; the occlusion forceps body is provided with an accommodating tube cavity, and the proximal end of the connecting tube body is movably sleeved in the accommodating tube cavity; the outer wall of the occlusion clamp body is sleeved with the taper locking piece so as to control the rotation of the connecting pipe body; the movable clamp foot is hinged on the occlusion clamp body, and the upper end of the movable clamp foot is in contact connection with the near end of the push rod; the static clamp foot is fixedly connected with the occluding clamp body; the movable clamp foot can rotate relative to the static clamp foot, the pushing rod is driven to move under the rotating action of the movable clamp foot so as to drive the movable clamp piece to move in a sliding mode relative to the static clamp piece at the occlusion position, and due to the arrangement that the near end of the static clamp piece is detachably connected with the far end of the connecting pipe body, and the connecting end of the pushing rod is detachably connected with the movable clamp piece, the occlusion clamp head serving as a consumable part can be detached and replaced, so that the universality of the universal rongeur is improved; in addition, the connecting pipe body is movably sleeved in the accommodating pipe cavity of the occlusion forceps body, the outer wall of the occlusion forceps body is further provided with a taper locking piece for controlling the rotation and the movement of the connecting pipe body, the connecting pipe body is movably sleeved in the accommodating pipe cavity of the occlusion forceps body, so that the connecting pipe body can rotate 360 degrees in the accommodating pipe cavity, the occlusion forceps head is driven to rotate 360 degrees, meanwhile, the outer wall of the occlusion forceps body is further provided with the taper locking piece for locking the position of the current connecting pipe body, and compared with the traditional implementation mode, the rotation of the occlusion forceps head can be realized only within a limited angle range.

2. The detachable universal rongeur further comprises a reset elastic piece, the reset elastic piece is sleeved at the near end of the push rod, one end of the reset elastic piece is in abutting contact with an in-tube boss at the near end of the connecting tube body, the other end of the reset elastic piece is in abutting contact with a first boss on the push rod, and the built-in reset elastic piece is longer in service life than a traditional externally-arranged clamp spring, and is more beneficial to cleaning and sterilizing instruments in a built-in mode.

3. The universal rongeur comprises a detachable universal rongeur body, a movable clamping piece and a pushing rod, wherein the movable clamping piece is arranged on the outer side of the universal rongeur body; the arrangement of the adjustable limiting part limits the extending length of the push rod in the accommodating pipe cavity of the rongeur body, so that the size of the opening of the jaw can be changed by adjusting the depth of the adjustable limiting part screwed into the accommodating pipe cavity, and the application range of the universal rongeur is enlarged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

FIG. 1 is a front view of a detachable universal rongeur of the present invention;

FIG. 2 is a sectional view of a detachable universal rongeur of the present invention;

FIG. 3 is a view in the direction I of FIG. 2;

FIG. 4 is a view in the direction J of FIG. 2;

FIG. 5 is a perspective view of the connecting tube of the present invention;

FIG. 6 is a perspective view of the stationary jaw plate of the present invention;

FIG. 7 is a perspective view of the moving clamp plate of the present invention;

the reference numbers are as follows:

1. an occlusal forceps head; 11. a movable clamp piece; 111. a T-shaped groove; 12. a static clamp sheet; 121. a T-shaped convex groove; 13. A jaw; 2. connecting the pipe body; 21. a boss in the pipe; 22. a limiting annular groove; 3. a push rod; 31. a first boss; 4. an occluding forceps body; 41. a containment lumen; 5. a taper locking member; 6. a movable clamp foot; 7. a static clamp foot; 8. resetting the elastic member; 9. an adjustable limiting part; 010. a limit screw; 011. an elastic sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all directional indications such as first, second, upper, lower, left, right, front and rear … … in the embodiments of the present invention are only used to explain the relative position relationship, motion situation, etc. of the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model will be further described with reference to the following figures:

referring to fig. 1 to 7, the present invention provides a detachable universal rongeur, comprising: the combined type pipe wrench comprises an occlusion binding clip 1, a connecting pipe body 2, a push rod 3, an occlusion binding clip body 4, a taper locking part 5, a movable binding clip foot 6 and a fixed binding clip foot 7, wherein the occlusion binding clip 1 comprises a movable binding clip 11 and a fixed binding clip 12, the movable binding clip 11 is sleeved on the fixed binding clip 12 in a sliding mode and is provided with a near end and an opposite far end, the fixed binding clip 12 is provided with a near end and an opposite far end, and a jaw 13 is formed by the distance between the far end of the fixed binding clip 12 and the far end of the movable binding clip 11; the near end of the static clamp sheet 12 is detachably connected with the far end of the connecting tube body 2; the push rod 3 is slidably sleeved in the connecting tube body 2, and the connecting end of the push rod 3 is detachably connected with the movable clamp piece 11; the occluding forceps body 4 is provided with a containing cavity 41, and the proximal end of the connecting tube body 2 is movably sleeved in the containing cavity 41; the taper locking piece 5 is sleeved on the outer wall of the occlusion clamp body 4 to control the rotation of the connecting pipe body 2; the movable clamp foot 6 is hinged on the occluding clamp body 4, and the upper end of the movable clamp foot is in contact connection with the near end of the push rod 3; the static clamp foot 7 is fixedly connected with the occlusion clamp body 4; the movable clamp leg 6 can rotate relative to the static clamp leg 7, the pushing rod 3 is driven to move under the rotation action of the movable clamp leg 6 so as to drive the movable clamp piece 11 to move in a sliding mode relative to the static clamp piece 12 at an occlusion position, and due to the arrangement that the near end of the static clamp piece 12 is detachably connected with the far end of the connecting pipe body 2, and the connecting end of the pushing rod 3 is detachably connected with the movable clamp piece 11, the occlusion clamp head 1 serving as a consumable part can be detached and replaced, so that the universality of the universal rongeur is improved; in addition, the connecting tube body 2 is movably sleeved in the containing tube cavity 41 of the occluding forceps body 4, and the outer wall of the occluding forceps body 4 is also provided with a taper locking piece 5 for controlling the rotation movement of the connecting tube body 2, because the connecting tube body 2 is movably sleeved in the containing cavity 41 of the occluding forceps body 4, the connecting tube body 2 can rotate in the containing cavity for 360 degrees, thereby driving the occluding forceps head to rotate for 360 degrees, simultaneously, the outer wall of the occluding forceps body 4 is also provided with a taper locking piece 5 for locking the position of the current connecting pipe body 2, compared with the traditional implementation mode, the rotation of the occluding forceps head 1 can be realized only in a limited angle range, the utility model can realize the rotation of the occluding forceps head 1 for 360 degrees, the operation of the occlusal forceps head 1 is more flexible and convenient, the operation difficulty of medical personnel is reduced, and the comfort level of a patient is improved; and meanwhile, the taper locking piece 5 is more stable in fixation, high in concentricity and more stable in operation compared with the traditional button type.

As a preferred embodiment, the universal rongeur further comprises a resetting elastic member 8, wherein the resetting elastic member 8 is sleeved at the proximal end of the push rod 3, and one end of the resetting elastic member 8 is in abutting contact with the boss 21 in the tube at the proximal end of the connecting tube body 2, and the other end of the resetting elastic member is in abutting contact with the first boss 31 on the push rod 3; the return elastic member 8 includes but is not limited to a compression spring, in this embodiment, the return elastic member 8 is a compression spring, the compression spring is sleeved on the proximal end of the push rod 3, the proximal end of the push rod 3 is provided with a first boss 31, and one end of the compression spring is in contact with the first boss 31; the near end of the connecting pipe body 2 is provided with the boss 21 in the pipe, the other end of the compression spring is in contact with the boss 21 in the pipe, the arrangement is such that when the movable clamp foot 6 is in top contact with the push rod 3, the push rod 3 moves towards the far end, meanwhile, the first boss 31 compresses the reset elastic piece 8 for energy storage, when the acting force on the movable clamp foot 6 is relieved, the elastic potential energy released by the reset elastic piece 8 for storage reversely pushes the push rod to reset, the arrangement with the reset elastic piece 8 in the structure is longer in service life than that of a traditional external clamp spring, and the arrangement with the reset elastic piece 8 in the structure is favorable for cleaning and sterilizing instruments.

As a preferable embodiment, the universal rongeur further comprises an adjustable limiting part 9, wherein the adjustable limiting part 9 is arranged at the tail end of the rongeur body 4 and is in abutting contact with the end head of the near end of the push rod. The arrangement of the adjustable limiting part 9 limits the extending length of the push rod in the accommodating tube cavity 41 of the occluding forceps body 4, so that the opening size of the forceps mouth 13 can be changed by adjusting the screwing depth of the adjustable limiting part 9 into the accommodating tube cavity 41, and the application range of the universal rongeur is enlarged.

In a preferred embodiment, the adjustable stop portion 9 includes, but is not limited to, a plug or a screw, which facilitates adjusting the depth of the adjustable stop portion 9 screwed into the accommodating lumen 41.

In a preferred embodiment, the movable clamp 11 is provided with a T-shaped groove 111, the fixed clamp 12 is provided with a T-shaped groove 121 matched with the T-shaped groove 111, or the movable clamp 11 is provided with a T-shaped groove 121, the fixed clamp 12 is provided with a T-shaped groove 111 matched with the T-shaped groove 121, the T-shaped groove 121 and the T-shaped groove 111 are matched with each other to form a slideway of the bite clamp head 1, in the present embodiment, the movable clamp 11 is provided with a T-shaped groove 111, and correspondingly, the fixed clamp 12 is provided with a T-shaped groove 121 matched with the T-shaped groove 111, and the T-shaped groove 111 and the T-shaped groove 121 are matched with each other to provide a guide during sliding of the movable clamp 11, especially the T-shaped groove, so that the guide is more stable, and unnecessary injuries to patients caused by factors such as a clamp group of the device are reduced.

In a preferred embodiment, the proximal end of the static clamp 12 is detachably connected to the distal end of the connecting tube 2 by a screw pair or a clamping groove.

In a preferred embodiment, the connecting end of the push rod 3 is detachably connected with the movable clamp piece 11 through a thread pair or an inlay.

As a preferred embodiment, the head of the occluding forceps body 4 is provided with a conical elastic opening which is matched with the conical locking piece 5 to control the rotation movement of the connecting tube body 2, when in use, the conical locking piece 5 is firstly released from fixing the connecting tube body 2, then the connecting tube body 2 is rotated, as the push rod 3 is sleeved in the connecting tube body 2, the occluding forceps head 1 is connected with the connecting tube body 2, the connecting tube body 2 can drive the push rod 3 and the occluding forceps head 1 to rotate while rotating, and after the occluding forceps head 1 rotates to a required position, the conical locking piece 5 is screwed again to lock the current position; the taper locking piece 5 is more stable than the traditional button type fixation, the concentricity is high, and the operation is more stable.

As a preferred embodiment, at least one limiting annular groove 22 is provided on the outer sidewall of the proximal end of the connecting tube body 2, and correspondingly, a limiting screw 010 engaged with the limiting annular groove 22 is provided on the bite block body 4 to limit the axial position of the connecting tube body 2, in this embodiment, two limiting annular grooves 22 are provided at an interval on the outer sidewall of the proximal end of the connecting tube body 2, and the head of the limiting screw 010 is engaged in the limiting annular grooves 22, so that the circumferential position of the connecting tube body 2 is limited, and the connecting tube body can also rotate in the circumferential direction.

As the preferred embodiment, the distal end of connecting tube body 2 is equipped with the spacing groove, the spacing groove with the cooperation of the junction of the distal end of quiet pincers piece 12, just the near-end of quiet pincers piece 12 with the junction of the distal end of connecting tube body 2 still is equipped with elastic seal circle 011, and the setting of spacing groove makes the quiet pincers piece 12 of changing at every turn all in same position, has guaranteed the commonality of equipment, still is equipped with elastic seal circle 011 in the junction simultaneously for the connection of interlock binding clip 1 is more firm, in order to ensure the stability of equipment.

The foregoing is a detailed description of the utility model, and specific examples are used herein to explain the principles and implementations of the utility model, which are merely intended to facilitate an understanding of the principles and concepts of the utility model. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A detachable universal rongeur, characterized by comprising:

the taper locking part is sleeved on the outer wall of the occlusion clamp body in an outer sleeved mode so as to control the rotation movement of the connecting pipe body;

the static clamp foot is fixedly connected with the occlusion clamp body;

2. The universal rongeur of claim 1, further comprising a restoring elastic member sleeved on the proximal end of the push rod and having one end abutting against an boss in the tube at the proximal end of the connection tube and the other end abutting against a first boss on the push rod.

3. The universal rongeur of claim 1 or 2, further comprising an adjustable limiting part, wherein the adjustable limiting part is arranged at the tail end of the rongeur body and is abutted against the end head of the proximal end of the push rod.

4. A detachable universal rongeur according to claim 3, wherein the adjustable stop includes but is not limited to a screw plug or screw for adjusting the extension of the proximal end of the push rod within the receiving cavity of the rongeur body to define the size of the jaws.

5. A detachable universal rongeur according to claim 1 or 2, wherein the movable clamp piece is provided with a T-shaped groove, and correspondingly, the fixed clamp piece is provided with a T-shaped convex groove matched with the T-shaped groove, or the movable clamp piece is provided with a T-shaped convex groove, and correspondingly, the fixed clamp piece is provided with a T-shaped groove matched with the T-shaped convex groove, and the T-shaped convex groove and the T-shaped groove are matched with each other to form a slideway of the occlusal clamp head.

6. The detachable universal rongeur of claim 1 or 2, wherein the proximal end of the static clamp piece is detachably connected with the distal end of the connecting tube body through a thread pair or a clamping groove.

7. The universal detachable rongeur according to claim 1 or 2, wherein the connecting end of the push rod is detachably connected with the movable clamp piece through a thread pair or embedding.

8. A detachable universal rongeur according to claim 1 or claim 2, wherein the head of the rongeur body is provided with a tapered elastic opening which is matched with the tapered locking piece to control the rotation of the connecting pipe body.

9. A detachable universal rongeur according to claim 1 or claim 2, wherein the outer side wall of the proximal end of the connecting tube body is provided with at least one limiting annular groove, and correspondingly, a limiting screw which is matched with the limiting annular groove is arranged on the rongeur body so as to limit the axial position of the connecting tube body.

10. The universal rongeur of claim 1 or 2, wherein the far end of the connecting tube is provided with a limiting groove which is matched with the joint of the far end of the static clamp sheet, and the joint of the near end of the static clamp sheet and the far end of the connecting tube is further provided with an elastic sealing ring.