CN209032472U - A kind of minimally invasive spine surgical arc pressurized clamp - Google Patents

Abstract

The utility model discloses a kind of minimally invasive spine surgical arc pressurized clamps, including upper plier handle and lower plier handle, it is all provided among the upper plier handle and lower plier handle fluted, groove among the upper plier handle and lower plier handle is equipped with screw hole, the upper plier handle and lower plier handle are fastenedly connected by spindle screw, the junction of the spindle screw and upper plier handle and lower plier handle is equipped with reduction torsion spring, chuck is respectively connected with above the upper plier handle left end and below lower plier handle left end, the chuck is fixed on upper plier handle and lower plier handle right end by pillar, the jaw of the pillar and upper plier handle and lower plier handle is articulated and connected, multiple first elastic slices are equipped between on the right side of the upper plier handle and lower plier handle, the second elastic slice is equipped with below the upper plier handle right end, second elastic slice left end is connect by cross plate screw with upper plier handle.The utility model product structure is simple, vdiverse in function, and using effect is good, easy to use, simple operations, is conducive to promote.

Description

A kind of minimally invasive spine surgical arc pressurized clamp

Technical field

The utility model relates to medical apparatus and instruments technical field, specially a kind of minimally invasive spine surgical is pressurizeed with arc Pincers.

Background technique

The features such as minimally invasive spine surgical is small, tissue trauma is small, blood loss is few, post-operative recovery is fast with its operative incision increasingly by To the favor of patient and doctor.In minimally invasive spine surgical, it is often necessary to be strutted to the spinal segments of patient or pressurized operation. In open surgery, strutting or pressurizeing is by distraction forcep or pressurized clamp is strutted to pedicle screw application or pressurization is complete At.

The tool is usually strutted blade by two and is inserted into notch to pedicle of vertebral arch screw by the pressurized clamp of the prior art Nail, which applies the effect of strutting, to be completed to strut, however the tool needs to be inserted into human body, can expand notch, and the tool can be only done Parallel opening cannot meet the requirement that minimally invasive spine surgical is minimally invasive and angulation struts or pressurizes simultaneously.

Utility model content

The purpose of this utility model is to provide a kind of minimally invasive spine surgical arc pressurized clamps, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions:

A kind of minimally invasive spine surgical arc pressurized clamp, including upper plier handle and lower plier handle, in the upper plier handle and lower plier handle Between be all provided with fluted, the groove among the upper plier handle and lower plier handle is equipped with screw hole, and the upper plier handle and lower plier handle are logical It crosses spindle screw to be fastenedly connected, the spindle screw is equipped with reduction torsion spring, the upper pincers with the junction of upper plier handle and lower plier handle Chuck is respectively connected with above handle left end and below lower plier handle left end, the chuck is fixed on upper plier handle by pillar and lower plier handle is right The jaw of end, the pillar and upper plier handle and lower plier handle is articulated and connected, and is equipped between the upper plier handle and lower plier handle right side multiple First elastic slice, the upper plier handle right end lower section are equipped with the second elastic slice, and second elastic slice left end passes through cross plate screw and upper pincers Handle connection, the second elastic slice right end are located in the support of upper plier handle right end, are fixedly connected in the support by rack gear screw There is rack gear, the rack gear lower end is located at lower plier handle right end, and the lower plier handle right end is equipped with the trigger being engaged by clamping with rack gear.

Preferably, it is additionally provided with silica gel handle on the outside of the upper plier handle and lower plier handle, the silica gel handle is connected to upper plier handle under Outside on the right side of clamp handle.

Preferably, multiple anti-skid bulges are additionally provided on the silica gel handle.

Preferably, it is additionally provided with fixed ring among the upper plier handle and lower plier handle right side inside, also blocked between the fixed ring It is connected to adjustable spring.

Preferably, the trigger is rotatablely connected by pin shaft and lower plier handle.

Preferably, first elastic slice includes upper elastic slice and lower elastic slice, behind the rear end of the upper plier handle and lower plier handle End is respectively corresponded to be fixedly connected with the one end of upper elastic slice and one end of lower elastic slice being oppositely arranged；The other end of the upper elastic slice Through-hole on the other end of lower elastic slice, and upper elastic slice is greater than entire widths by the length of through-hole.

Compared with prior art, the utility model has the beneficial effects that the utility model passes through in upper plier handle and lower plier handle The chuck being equipped at the jaw of left end, and chuck is column articulated by branch with upper plier handle and lower plier handle, and it is micro- can to meet simultaneously backbone The requirement that invasive procedures are minimally invasive and angulation struts or pressurizes, it is easy to use, reduce the utensil of operation；By the first elastic slice being equipped with, Can arbitrarily it switch between strutting and pressurizeing, using effect is good, and it is easy to use, it is conducive to use；By the rack gear and trigger being equipped with, Can be strutted or be pressurizeed for a long time to pressurized clamp certain angle, and stability is strong, is convenient for surgical procedure, is conducive to use； It by the second elastic slice being equipped with, enables to upper plier handle and lower plier handle when compressing, so that support force is elastic anchorage force, meets Requirement；The utility model product structure is simple, vdiverse in function, and using effect is good, easy to use, simple operations, conducive to pushing away Extensively.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of minimally invasive spine surgical arc pressurized clamp；

Fig. 2 is a kind of head-up structural schematic diagram of minimally invasive spine surgical arc pressurized clamp；

Fig. 3 is the structural schematic diagram of A-A in Fig. 1；

Fig. 4 is the structural schematic diagram of B-B in Fig. 1；

Fig. 5 is structural schematic diagram internal at A in Fig. 1.

In figure: 1- chuck, 2- groove, 3- upper plier handle, 4- spindle screw, 5- lower plier handle, the first elastic slice of 6-, the upper elastic slice of 61-, Elastic slice under 62-, 7- silica gel handle, 8- fixed ring, 9- adjustable spring, 10- cross plate screw, the second elastic slice of 11-, 12- rack gear screw, 13- rack gear, 14- pin shaft, 15- trigger, 16- reduction torsion spring, 17- pillar, 18- jaw.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1~5 are please referred to, the utility model provides a kind of technical solution: a kind of minimally invasive spine surgical arc pressurized clamp, Including upper plier handle 3 and lower plier handle 5, it is all provided with fluted 2 among the upper plier handle 3 and lower plier handle 5, the upper plier handle 3 and lower plier handle 5 It is equipped with screw hole, the upper plier handle 3 and lower plier handle 5 at intermediate groove 2 to be fastenedly connected by spindle screw 4, the main shaft The junction of screw 4 and upper plier handle 3 and lower plier handle 5 is equipped with reduction torsion spring 16, and 3 left end of the upper plier handle top and lower plier handle 5 are left End lower section is respectively connected with chuck 1, and the chuck 1 is fixed on 5 right end of upper plier handle 3 and lower plier handle, the pillar 17 by pillar 17 It being articulated and connected with the jaw 18 of upper plier handle 3 and lower plier handle 5, the upper plier handle 3 and lower plier handle are equipped with the first elastic slice 6 between 5 right side, The second elastic slice 11 is equipped with below 3 right end of upper plier handle, 11 left end of the second elastic slice passes through cross plate screw 10 and upper plier handle 3 Connection, 11 right end of the second elastic slice are located in the support of 3 right end of upper plier handle, connect in the support by the way that rack gear screw 12 is fixed It is connected to rack gear 13,13 lower end of rack gear is located at 5 right end of lower plier handle, and 5 right end of lower plier handle is equipped with to be engaged by clamping with rack gear 13 Trigger 15.

Wherein, it is additionally provided with silica gel handle 7 on the outside of the upper plier handle 3 and lower plier handle 5, the silica gel handle 7 is connected to 3 He of upper plier handle 5 right side outside of lower plier handle.

Multiple anti-skid bulges are additionally provided on the silica gel handle 7.The upper plier handle 3 and lower plier handle are also set among 5 right side inside There is fixed ring 8, be also connected with adjustable spring 9 between the fixed ring 8, when distracted, recovery can be played the role of.

The trigger 15 is rotatablely connected by pin shaft 14 and lower plier handle 5.First elastic slice 6 includes upper elastic slice 61 and lower bullet 61 one end and lower elastic slice that piece 62, the rear end of the upper plier handle 3 and the rear end of lower plier handle 5 respectively correspond and be oppositely arranged 62 one end is fixedly connected；The other end of the upper elastic slice 61 passes through the through-hole on the other end of lower elastic slice 62, and upper elastic slice 61 It is greater than entire widths by the length of through-hole.

The working principle of the utility model is: the utility model at the jaw of 5 left end of upper plier handle 3 and lower plier handle by setting Some chucks 1, and chuck 1 and upper plier handle 3 and lower plier handle 5 are hinged by pillar 17, and it is micro- can to meet simultaneously minimally invasive spine surgical The requirement that wound and angulation strut or pressurize, it is easy to use, reduce the utensil of operation；By the first elastic slice 6 being equipped with, can support It opens and arbitrarily switches between pressurizeing, using effect is good, and it is easy to use, it is conducive to use；It, can by the rack gear 13 and trigger 15 being equipped with Pressurized clamp is strutted or is pressurizeed certain angle for a long time, stability is strong, is convenient for surgical procedure, is conducive to use；Pass through The second elastic slice 11 being equipped with enables to upper plier handle 3 and lower plier handle 5 when compressing, so that support force is elastic anchorage force, meets Requirement；.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of minimally invasive spine surgical arc pressurized clamp, including upper plier handle (3) and lower plier handle (5), it is characterised in that: on described It is all provided with fluted (2) among clamp handle (3) and lower plier handle (5), it is equal at the groove (2) among the upper plier handle (3) and lower plier handle (5) Equipped with screw hole, the upper plier handle (3) and lower plier handle (5) are fastenedly connected by spindle screw (4), the spindle screw (4) with The junction of upper plier handle (3) and lower plier handle (5) is equipped with reduction torsion spring (16), upper plier handle (3) the left end top and lower plier handle (5) It is respectively connected with chuck (1) below left end, the chuck (1) is fixed on upper plier handle (3) by pillar (17) and lower plier handle (5) is right End, jaw (18) articulated connection of the pillar (17) and upper plier handle (3) and lower plier handle (5), the upper plier handle (3) and lower plier handle (5) the first elastic slice (6) are equipped between right side, are equipped with the second elastic slice (11) below upper plier handle (3) right end, second elastic slice (11) left end is connect by cross plate screw (10) with upper plier handle (3), and the second elastic slice (11) right end is located at upper plier handle (3) right side In the support at end, it is fixedly connected with rack gear (13) in the support by rack gear screw (12), rack gear (13) lower end is located at Lower plier handle (5) right end, lower plier handle (5) right end are equipped with the trigger (15) being engaged by clamping with rack gear (13).

2. a kind of minimally invasive spine surgical arc pressurized clamp according to claim 1, it is characterised in that: the upper plier handle (3) and on the outside of lower plier handle (5) it is additionally provided with silica gel handle (7), the silica gel handle (7) is connected on the right side of upper plier handle (3) and lower plier handle (5) Outside.

3. a kind of minimally invasive spine surgical arc pressurized clamp according to claim 2, it is characterised in that: the silica gel handle (7) multiple anti-skid bulges are additionally provided on.

4. a kind of minimally invasive spine surgical arc pressurized clamp according to claim 1, it is characterised in that: the upper plier handle (3) and on the right side of lower plier handle (5) inside is intermediate is additionally provided with fixed ring (8), is also connected with adjustable spring between the fixed ring (8) (9).

5. a kind of minimally invasive spine surgical arc pressurized clamp according to claim 1, it is characterised in that: the trigger (15) It is rotatablely connected by pin shaft (14) and lower plier handle (5).

6. a kind of minimally invasive spine surgical arc pressurized clamp according to claim 1, it is characterised in that: first elastic slice It (6) include upper elastic slice (61) and lower elastic slice (62), the rear end of the upper plier handle (3) and the rear end of lower plier handle (5) are right respectively It should be fixedly connected with one end of the one end for the upper elastic slice (61) being oppositely arranged and lower elastic slice (62)；The upper elastic slice (61) it is another The through-hole on the other end of lower elastic slice (62) is held, and upper elastic slice (61) is greater than entire widths by the length of through-hole.