CN215424918U - Novel rongeur with bone residue treatment function - Google Patents

Abstract

The utility model belongs to the technical field of medical surgical instruments, and particularly relates to a novel rongeur with bone residue treatment, which adopts the technical scheme that: the rongeur comprises a rongeur body, wherein the rongeur body consists of a clamp core sleeve pipe, a clamp core rod, a limiting fixing piece, a sliding block, a fixed connecting piece and a jacking rod, the clamp core sleeve pipe is sleeved on the outer wall of the clamp core rod, and the fixed connecting piece is sleeved on the outer wall of the clamp core sleeve pipe, so that the rongeur has the beneficial effects that: because the sliding block is stable smooth and easy in the spout on pincers core bell and spigot joint pipe and slide to the pincers core bar inserts in the pincers core bell and spigot joint pipe, consequently, can not appear blocking between pincers core bar and the pincers core bell and spigot joint pipe, the bone sediment gets into in the binding clip recess, when pincers core bar moves left, the inner wall shaping die cavity of binding clip recess and pincers core bell and spigot joint pipe, the bone sediment is located the die cavity, thereby realize the processing to the bone sediment, make the operation go on sooner, make the function of rongeur body abundanter, the practicality is stronger.

Description

Novel rongeur with bone residue treatment function

Technical Field

The utility model relates to the technical field of medical surgical instruments, in particular to a novel rongeur with bone residue treatment function.

Background

The vertebral plate rongeur is a surgical instrument for biting dead bones or trimming bone stumps in spinal surgeries; the clamp comprises an upper clamp rod and a lower clamp rod which are matched with each other and can do relative translational motion, wherein the rear section of one clamp rod forms a rear handle in a way of bending towards the lateral lower part, the front handle is combined with the rear end of the other clamp piece through a hinge piece by taking the rear handle as a fulcrum, a supporting spring is arranged between the front handle and the rear handle, and a guide groove and a guide block which are matched with the other clamp piece are processed on the combining surfaces of the upper clamp piece and the lower clamp piece in a way of segmenting at intervals; the structure is more reasonable, the upper and lower clamp pieces are tightly occluded, the stress is uniform, the deformation is small, the anastomotic stoma is tightly combined after being closed, and the phenomena of malposition, deflection, bone slag impaction and the like are not easy to generate; the handle part is formed by hinging a front handle and a rear handle in a crossed manner, a rear push rod is arranged at the upper part of the crossed hinging point of the front handle, and a rotary groove is arranged on the rear push rod; the upper end of the cross hinge point of the rear handle is provided with a front base and a rear base with openings at the upper parts, the rear part of the lower clamp rod is positioned in the open grooves of the front base and the rear base, the compression bar anti-rotation device is positioned outside the lower clamp rod between the front base and the rear base, the rear end of the upper clamp rod penetrates through the rear part of the lower clamp rod and is hinged in the rotating groove, and the front end of the lower clamp rod is provided with a front clamp mouth.

The existing rongeur does not have the function of treating bone residues, so that the rongeur is single in function, back instruments are needed to treat the bone residues, an upper tong head and a lower tong head of the existing rongeur are matched by a dovetail groove structure to enable the upper tong head and the lower tong head to be tightly matched, the function of biting and cutting bones is realized by sliding the upper tong head, the gap between the upper tong head and the lower tong head cannot be too large due to the matching requirement of the dovetail structure, otherwise the upper tong head moves upwards and is clamped when the bone reaction force is applied; therefore, the head of the existing rongeur is easy to be clamped in work, and the operation completion quality is not high.

Therefore, the utility model is necessary to develop a novel rongeur with bone residue treatment.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a novel rongeur with bone slag treatment, which is characterized in that a rongeur core rod moves in an inner cavity of a rongeur core sleeve pipe, and the rongeur core rod stably slides through a sliding block, so that the phenomenon of blockage can be avoided; the head of the forceps can extend into the inner cavity of the forceps core sleeve pipe, so that a cavity is formed by the groove of the forceps head and the inner wall of the forceps core sleeve pipe, bone residues are brought out, the problem that the existing rongeur does not have the function of treating the bone residues is solved, the function of the rongeur is single, back instruments are needed to treat the bone residues, the upper forceps head and the lower forceps head of the existing rongeur are matched by a dovetail groove structure to enable the upper forceps head and the lower forceps head to be tightly matched, the function of biting bones is realized by sliding the upper forceps head, the gap between the upper forceps head and the lower forceps head cannot be too large due to the matching requirement, otherwise, the upper forceps head moves upwards when the bone reaction force is applied, and the bone can be clamped; therefore, the head of the existing rongeur is easy to be blocked in work, and the problem of low operation finishing quality is caused.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a novel rongeur with bone slag treatment comprises a rongeur body, wherein the rongeur body consists of a tong core sleeve pipe, a tong core rod, a limiting fixing piece, a sliding block, a fixed connecting piece and a jacking rod, the outer wall of the tong core rod is sleeved with the tong core sleeve pipe, the outer wall of the tong core sleeve pipe is sleeved with the fixed connecting piece, the limiting fixing piece is fixedly installed on the fixed connecting piece, the inner wall of the tong core sleeve pipe is provided with a sliding groove, the sliding block is fixedly installed on the outer wall of the tong core rod, the inner wall of the left end of the fixed connecting piece is inserted into the jacking rod, the right end of the jacking rod is fixedly connected with the left end of the tong core rod, and the tong core sleeve pipe inner wall and a tong head groove form a forming cavity;

the right end of the clamp core rod is integrally formed with a clamp head portion, and a clamp head groove is formed in the clamp head portion.

Preferably, the sliding groove is matched with the sliding block, and the sliding block is located in the sliding groove.

Preferably, the sliding groove penetrates through an inner cavity of the limiting fixing piece.

Preferably, the left end of the clamp core rod is integrally formed with a clamp core rod connector, and the left end of the clamp core rod connector is fixedly connected with the right end of the ejector rod.

Preferably, spacing mounting inner wall integrated into one piece is equipped with spacing butt piece, fixed mounting has spacing butt piece on the sliding block.

Preferably, the connecting line direction between the limiting abutting piece and the sliding block is parallel to the length direction of the clamp core rod.

The utility model has the beneficial effects that:

1. the forceps core rod moves rightwards in the forceps core sleeve pipe to drive the sliding block to move rightwards, and the sliding block stably and smoothly slides in a sliding groove on the forceps core sleeve pipe and is inserted into the forceps core sleeve pipe, so that jamming cannot occur between the forceps core rod and the forceps core sleeve pipe, and when a limiting abutting block on the sliding block contacts a limiting abutting piece on a limiting fixing piece, the forceps core rod can be limited to move, so that the movement distance of the forceps core rod is controllable, the rongeur body is convenient to control, and smooth operation is facilitated;

2. bone sediment gets into the binding clip recess, and when pincers core rod moved left, the inner wall shape die cavity that the binding clip recess cup jointed with the pincers core, and the bone sediment is located the die cavity to the realization is to the processing of bone sediment, makes the operation go on sooner, makes the function of rongeur body abundanter, and the practicality is stronger.

Drawings

FIG. 1 is a schematic structural view provided by the present invention;

FIG. 2 is a partial schematic view of the left end of FIG. 1 according to the present invention;

FIG. 3 is a partial schematic view of the right end of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2 according to the present invention;

fig. 5 is a schematic view of the right end of the clamp core rod inserted into the clamp core sleeve pipe provided by the utility model.

In the figure: the rongeur comprises a rongeur body 100, a rongeur core sleeve pipe 1, a sliding groove 11, a rongeur core rod 2, a rongeur head part 21, a rongeur head groove 22, a cavity 221, a rongeur core rod joint 23, a limiting fixing piece 3, a limiting abutting piece 31, a sliding block 4, a limiting abutting piece 41, a fixing connecting piece 5 and a jacking rod 6.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to the attached drawings 1-5 in the specification, the novel rongeur with bone slag treatment function comprises a rongeur body 100, the rongeur body 100 consists of a rongeur core sleeve pipe 1, a rongeur core rod 2, a limiting fixing piece 3, a sliding block 4, a fixed connecting piece 5 and a jacking rod 6, the outer wall of the clamp core rod 2 is sleeved with the clamp core sleeve pipe 1, the outer wall of the clamp core sleeve pipe 1 is sleeved with the fixed connecting piece 5, the fixed connecting piece 5 is fixedly provided with the limit fixing piece 3, the inner wall of the clamp core sleeve pipe 1 is provided with a chute 11, the sliding block 4 is fixedly arranged on the outer wall of the tong core bar 2, the inner wall of the left end of the fixed connecting piece 5 is inserted with the jacking rod 6, the right end of the ejector rod 6 is fixedly connected with the left end of the clamp core rod 2, and the inner wall of the clamp core sleeve pipe 1 and the clamp head groove 22 form a cavity 221;

the right end of the clamp core rod 2 is integrally provided with a clamp head part 21, and the clamp head part 21 is provided with a clamp head groove 22.

Further, the sliding groove 11 is matched with the sliding block 4, and the sliding block 4 is located in the sliding groove 11; the sliding block 4 can slide stably in the sliding groove 11, and the sliding block 4 is arranged on the outer wall of the forceps core rod 2, so that the forceps core rod 2 can stretch out and draw back stably in the forceps core sleeve pipe 1, the forceps core rod 2 and the forceps core sleeve pipe 1 cannot be clamped, and smooth use of the rongeur body 100 in the operation process is guaranteed.

Further, the sliding groove 11 passes through the inner cavity of the limiting fixing part 3; the limit fixing piece 3 is used for limiting the moving distance of the clamp core rod 2.

Furthermore, a clamp core rod joint 23 is integrally formed at the left end of the clamp core rod 2, and the left end of the clamp core rod joint 23 is fixedly connected with the right end of the ejector rod 6; the section of the pliers core rod joint 23 is larger than the section of the right end of the pliers core rod 2, so that the pliers core rod 2 is connected with the jacking rod 6 more tightly.

Further, a limit abutting piece 31 is integrally formed on the inner wall of the limit fixing piece 3, and a limit abutting block 41 is fixedly mounted on the sliding block 4; the limiting abutting sheet 31 is used for limiting the movement of the abutting block 41, so that the moving distance of the head part 21 on the forceps core rod 2 is controllable, and the rongeur body 100 is convenient to operate and control.

Further, the connecting line direction between the limit abutting piece 31 and the sliding block 4 is parallel to the length direction of the jaw bar 2; so that the limit abutting block 41 on the sliding block 4 can be contacted with the limit abutting piece 31 in the overshoot process that the jaw bar 2 drives the sliding block 4 to move.

The implementation scenario is specifically as follows: when the forceps core rod device is used, the forceps core rod 2 moves rightwards in the forceps core sleeve pipe 1 so as to drive the sliding block 4 to move rightwards, the sliding block 4 stably and smoothly slides in the sliding groove 11 on the forceps core sleeve pipe 1, and the forceps core rod 2 is inserted into the forceps core sleeve pipe 1, so that the clamping between the forceps core rod 2 and the forceps core sleeve pipe 1 cannot occur, the forceps core rod 2 is limited to move when the limiting abutting block 41 on the sliding block 4 contacts the limiting abutting block 31 on the limiting fixing piece 3, so that the movement distance of the forceps core rod 2 is controllable, the rongeur body 100 is convenient to control, bone residues enter the forceps head groove 22, when the forceps head groove 22 and the inner wall of the forceps core sleeve pipe 1 move leftwards, a cavity 221 is formed by the forceps head groove 22 and the inner wall of the forceps core sleeve pipe 1, the bone residues are located in the cavity 221, and therefore, the treatment of the bone residues is realized, and the operation can be performed more quickly.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a take novel rongeur that bone sediment was handled, includes rongeur body (100), its characterized in that: the rongeur body (100) consists of a plier core sleeve pipe (1), a plier core rod (2), a limiting fixed piece (3), a sliding block (4), a fixed connecting piece (5) and a jacking rod (6), the outer wall of the clamp core bar (2) is sleeved with the clamp core sleeve pipe (1), the outer wall of the clamp core sleeve pipe (1) is sleeved with the fixed connecting piece (5), the fixed connecting piece (5) is fixedly provided with the limit fixing piece (3), a sliding groove (11) is arranged on the inner wall of the clamp core sleeve pipe (1), the sliding block (4) is fixedly arranged on the outer wall of the clamp core rod (2), the inner wall of the left end of the fixed connecting piece (5) is inserted with the ejector rod (6), the right end of the ejector rod (6) is fixedly connected with the left end of the pliers core rod (2), the inner wall of the clamp core sleeve pipe (1) and the clamp head groove (22) form a cavity (221);

the right end of the clamp core rod (2) is integrally formed with a clamp head part (21), and a clamp head groove (22) is formed in the clamp head part (21).

2. The novel rongeur with bone ash treatment according to claim 1, characterized in that: spout (11) with sliding block (4) phase-match, sliding block (4) are located in spout (11).

3. The novel rongeur with bone ash treatment according to claim 1, characterized in that: the sliding groove (11) penetrates through the inner cavity of the limiting fixing piece (3).

4. The novel rongeur with bone ash treatment according to claim 1, characterized in that: the left end of the clamp core rod (2) is integrally formed with a clamp core rod joint (23), and the left end of the clamp core rod joint (23) is fixedly connected with the right end of the ejector rod (6).

5. The novel rongeur with bone ash treatment according to claim 1, characterized in that: spacing mounting (3) inner wall integrated into one piece is equipped with spacing butt piece (31), fixed mounting has spacing butt piece (41) on sliding block (4).

6. The novel rongeur with bone ash treatment as claimed in claim 5, wherein: the connecting line direction between the limiting abutting piece (31) and the sliding block (4) is parallel to the length direction of the pliers core rod (2).

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