CN212755744U

CN212755744U - Multifunctional minimally invasive skin opening forceps

Info

Publication number: CN212755744U
Application number: CN202020443137.5U
Authority: CN
Inventors: 陈�峰; 胡建华; 仉建国; 张晓永
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-03-23
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a multi-functional wicresoft skin struts pincers belongs to medical instrument technical field, strut the pincers and include the upper jaw body and the lower jaw body of connecting in the middle part is articulated, and the front end of the upper jaw body is connected with one perpendicularly and struts the pole, and the front end of the lower jaw body is connected with a pole of strutting perpendicularly, goes up to strut the pole and struts the parallel and relative setting of pole down, and the end of going up to strut the pole and strut the pole down all is provided with the barb, goes up to strut the pole and strut the pole down and is barb direction adjustable and strut pole degree of depth adjustable structure. The utility model discloses a multi-functional wicresoft skin struts pincers can be used for less operation incision, easily grabs and hold incision downside muscle and soft tissue to it is more stable to grab and hold, can satisfy minimal access surgery use needs, can make the operation more become more meticulous.

Description

Multifunctional minimally invasive skin opening forceps

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a pair of multifunctional minimally invasive skin opening forceps.

Background

In surgical operations, particularly minimally invasive operations, an operation incision is usually opened through an opener, so that the inside of the incision is fully exposed, and the condition in a patient body can be observed more clearly under the condition that the operation incision is not enlarged, and the operation is carried out.

The traditional early-stage spreading forceps can realize spreading through simple crossed arms, and can meet the requirements of general surgical operations. However, with the increasing popularity of minimally invasive surgery, the surgical incision becomes smaller and smaller, and the traditional distraction forceps cannot meet the requirement of more elaborate minimally invasive surgery.

The operation incision opened by the traditional opening forceps is generally large and is not suitable for minimally invasive surgery; moreover, the spreading sheet at the front end of the traditional spreading forceps is usually in a comb claw shape, is fixed in orientation, is not easy to grasp muscles and soft tissues on the lower side of the incision, and cannot realize more fine surgery.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a multi-functional minimal access skin struts pincers that easily grab and hold incision downside muscle and soft tissue, can satisfy minimal access surgery use needs.

In order to solve the technical problem, the utility model provides a technical scheme as follows:

the utility model provides a multi-functional minimal access skin struts pincers, includes the articulated last pincers body and the lower pincers body of connecting in the middle part, the front end of going up the pincers body is connected with one perpendicularly and struts the pole, the front end of the lower pincers body is connected with one perpendicularly and struts the pole, it is parallel and relative setting with lower opening rod to go up to strut the pole, the end of going up opening rod and lower opening rod all is provided with the barb, it is adjustable and struts pole degree of depth adjustable structure that barb direction is just to strut pole with lower opening rod to go up to strut the pole.

Further, it all includes circular inner core and circular shape outer sleeve to prop open the pole and prop open the pole down, the inner core is solid, the lower extreme of inner core sets up the barb, the inner core is in with the mode plug-in connection that the degree of depth is adjustable in the outer sleeve, the front end at corresponding pincers body is connected to the upper end of outer sleeve.

Furthermore, the upper portion of inner core is provided with the transverse hole, be provided with the spring in the transverse hole and be located spring both ends and part outstanding steel ball outside the transverse hole, be provided with a plurality of on the outer sleeve with steel ball matched with fixed orifices.

Further, the outer sleeve is provided with at least 4 fixing holes in the circumferential direction at the same height.

Furthermore, a straight groove is formed in the upper end face of the inner core.

Furthermore, the upper tong body and the lower tong body respectively comprise a tong head positioned at the front end, a tong handle positioned at the middle rear part and a connecting rod positioned between the tong head and the tong handle, two ends of the connecting rod are hinged with the tong head and the tong handle, and a hinged shaft is parallel to the plane of the upper tong body and the lower tong body and is perpendicular to the length direction of the connecting rod.

Further, the outer sleeve passes through quick change structure to be connected on the pincers head, quick change structure includes L shape adaptor, L shape adaptor include transverse connection board and with the vertical connecting axle that transverse connection board is connected, wherein:

the front end of the binding clip is provided with a slot with an opening facing outwards, and the vertical connecting shaft is embedded in the slot;

the transverse connecting plate transversely extends and exceeds the inner side of the tong head to form a protruding end face, and the upper end of the outer sleeve is fixedly connected to the lower surface of the protruding end face.

Furthermore, the open groove is a square groove, the vertical connecting shaft is in a cylindrical shape with two flat-milled sides, and a top bead structure for preventing the vertical connecting shaft from transversely withdrawing is arranged in the square groove;

a circular end cap is arranged above the vertical connecting shaft, and the diameter of the circular end cap is larger than the opening width of the square groove.

Furthermore, the end parts of the binding clip and the binding clip handle, which are connected with the connecting rod, are both U-shaped fork-shaped structures, the end part of the connecting rod is a T-shaped structure, the T-shaped structure is connected in the U-shaped fork-shaped structure through a movable shaft, and the parts of the two sides of the end part of the connecting rod, which are opposite to the end surface of the U-shaped fork-shaped structure, are inclined planes.

Furthermore, the forceps head and the connecting rod are provided with Kirschner wire holes; and/or a transverse rack extending inwards is arranged at the rear part of one of the upper clamp body and the lower clamp body, and a button with sharp teeth capable of being meshed with the transverse rack is arranged at the rear part of the other clamp body.

The utility model discloses following beneficial effect has:

the utility model discloses a multi-functional wicresoft skin struts pincers can be used for less operation incision, easily grabs and hold incision downside muscle and soft tissue to it is more stable to grab and hold, can satisfy minimal access surgery use needs, can make the operation more become more meticulous.

Drawings

FIG. 1 is a schematic view of the structure of the multifunctional minimally invasive skin spreading forceps in the present invention;

FIG. 2 is a schematic view of the spreading of a surgical incision by barbs on the spreading rod of the spreading forceps shown in FIG. 1;

FIG. 3 is a schematic structural view of an inner core of an opening bar of the opening forceps of FIG. 1;

FIG. 4 is a side elevational view of the body of the spreading forceps shown in FIG. 1 in a folded configuration;

FIG. 5 is a sectional view taken along the line A-A of the head of the spreading forceps shown in FIG. 1;

fig. 6 is a side view of the spreading forceps shown in fig. 1.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

The utility model provides a multi-functional wicresoft skin struts pincers, as shown in fig. 1-6, include the articulated connection in the middle part (the articulated shaft is H1, the articulated shaft H1 is perpendicular to and goes up the plane at pincers body and lower pincers body place) last pincers body 1 and the lower pincers body 1', wherein:

the front end of the upper forceps body 1 is vertically connected with an upper opening rod 3 (one and only one), the front end of the lower forceps body 1 ' is vertically connected with a lower opening rod 3 ' (one and only one), and the upper opening rod 3 and the lower opening rod 3 ' are arranged in parallel and oppositely;

the tail ends of the upper spreader bar 3 and the lower spreader bar 3' are both provided with barbs 30 for hooking muscle and soft tissue inside the operation incision to prevent slipping, and the length of the barbs 30 is flexibly designed according to needs, and can be 3-5 mm for example;

the upper opening rod 3 and the lower opening rod 3' are both structures with adjustable barb directions and adjustable opening rod depth.

The utility model discloses a multi-functional wicresoft's skin struts pincers has following advantage:

1) the front end of the upper forceps body is connected with an upper opening rod, the front end of the lower forceps body is connected with a lower opening rod, the opening rods are of rod-shaped structures, only one opening rod is arranged on each forceps body, the occupied size is small, and the pressure can be borne by larger pressure, so that the forceps are suitable for smaller operation incisions and are suitable for minimally invasive operations;

2) the tail ends of the opening rods are provided with barbs, and the opening rods are of a structure with the direction of the barbs being adjustable, as shown in fig. 2, the opening direction D can be always vertical to the skin operation incision 20, so that the barbs 30 at the tail ends of the opening rods can easily grasp muscles and soft tissues on the lower side of the incision; the moving track of the barb 30 is shown as 21 in fig. 2;

3) the opening rod is also of a depth-adjustable structure, so that the opening rod can be better adapted to different incision depths, and the barb at the tail end of the opening rod is more stable when grasping muscles and soft tissues on the lower side of the incision.

To sum up, the utility model discloses a multi-functional wicresoft skin struts pincers can be used for less operation incision, easily grab and hold incision downside muscle and soft tissue to grab and hold more stably, can satisfy minimal access surgery use needs, can make the operation more become more meticulous.

The adjustable depth structure of the opening rod can be realized by various ways easily thought by those skilled in the art, such as sequential sleeving of multiple sleeves, fitting of two rods through a sliding track, etc., and the adjustable direction structure of the barb can be realized by designing the barb or the inner core as a rotatable part. For convenient and firm realization opening rod degree of depth adjustable structure, preferably adopt following structural style:

as shown in fig. 1 and 3, the upper spreader bar 3 and the lower spreader bar 3' may each include a circular inner core 31 and a circular outer sleeve 32, the lower end of the inner core 31 is provided with the barb 30, the inner core 31 is inserted into the outer sleeve 32 in a depth-adjustable manner, and the upper end of the outer sleeve 32 is connected to the front end of the corresponding forceps body. At this time, in order to conveniently realize that the barb direction is adjustable, the upper end surface of the inner core 31 may be provided with a straight groove 310 to cooperate with a straight wrench to adjust the barb direction before/during the operation, so that the operation is flexible.

Further, the insertion structure between the inner core 31 and the outer sleeve 32 is preferably as follows:

as shown in fig. 3, a transverse hole 311 is formed in the upper portion of the inner core 31, a spring 312 and steel balls 313 which are located at both ends of the spring and partially protrude out of the transverse hole 311 are disposed in the transverse hole 311, and a plurality of fixing holes 320 which are matched with the steel balls 313 are disposed in the outer sleeve 32.

In this way, the length/depth of the distraction rod can be flexibly adjusted according to the depth of the surgical incision, when the insertion depth of the inner core 31 in the outer sleeve 32 is adjusted, the steel balls 313 are extruded into the transverse holes 311 by the outer sleeve 32, and when the insertion depth is adjusted to the position, the steel balls 313 are ejected into the fixing holes 320 on the outer sleeve 32, so that the inner core 31 and the outer sleeve 32 are matched and locked together. It will be appreciated that the fixing holes 320 in the outer sleeves of the upper and lower spreader bars preferably appear in pairs, and the arrangement position thereof can be determined according to the insertion depth adjustment range. Moreover, in order to adjust the direction of the barbs, the outer sleeves 32 corresponding to the upper and lower spreader bars are preferably provided with a plurality of sets of fixing holes 320 in the circumferential direction at the same height (same horizontal plane), and since the fixing holes 320 are paired, at least 4 fixing holes 320 are preferably provided in each circumferential direction, so as to lock the inner core 31 in the outer sleeve 32 after the direction of the barbs is adjusted.

In order to make the forceps body fit with the skin of a patient better, the upper forceps body 1 and the lower forceps body 1 'preferably comprise a forceps head 11 at the front end, a forceps handle 12 at the middle rear part, and a connecting rod 13 between the forceps head 11 and the forceps handle 12, two ends of the connecting rod 13 are hinged with the forceps head 11 and the forceps handle 12, and the hinge shaft H2 is parallel to the plane of the upper forceps body 1 and the lower forceps body 1' and perpendicular to the length direction of the connecting rod 13.

Thus, as shown in fig. 4, the unilateral forceps body is provided with at least 2 movable shafts, and the adjustable forceps body is in a folded state, so that the height of the vertical surface can be conveniently adjusted, and the forceps head can be more attached to the skin of a patient. In fig. 4, 22 is the surface of the patient's body and 23 shows the spreader bar perpendicular to the skin.

Further, the tip that binding clip 11 and pincers handle 12 are connected with connecting rod 13 can be the U-shaped fork structure, connecting rod 13's tip can be for T shape structure, this T shape structure passes through the loose axle and connects in the U-shaped fork structure, the tip both sides of connecting rod 13 are inclined plane 131 with the relative part of U-shaped fork structure's terminal surface, this inclined plane 131 can with binding clip 11, the terminal surface of pincers handle 12 cooperatees, realize the activity and the auto-lock etc. of the fore-and-aft minizone, make in the convenient art and prop open the pincers and hug closely the skin surface, prop the perpendicular skin surface of pole, realize more stably strutting.

The utility model discloses in, as shown in fig. 1 and 5-6, for conveniently changing the distraction rod, the outer sleeve 32 can be connected on binding clip 11 through the quick change structure, the quick change structure includes L shape adaptor 5, and L shape adaptor 5 includes transverse connection board 51 and the vertical connecting axle 52 who is connected (all can welding, riveting, screw connection etc.) with transverse connection board 51, wherein:

the front end of the binding clip 11 is provided with a slot 111 with an opening facing outwards, and the vertical connecting shaft 52 is embedded in the slot 111;

the transverse connecting plate 51 transversely extends and exceeds the inner side of the tong head 11 to form a protruding end face, the upper end of the outer sleeve 32 is fixedly connected (clamped, welded, screwed and the like) to the lower surface of the protruding end face of the transverse connecting plate 51, and at the moment, the protruding end face can be further provided with a through hole 54 to expose the straight groove 310 on the upper end face of the inner core 31, so that the adjustment of the barb direction is not influenced.

Therefore, on one hand, the opening rod is of a quick-change structure, can be disassembled and is convenient to clean; on the other hand, the arrangement mode of the L-shaped adapter enables the forceps head to be properly far away from the position of the surgical incision (rather than being right above the surgical incision), so that the surgical field opening width is improved.

In order to conveniently and rapidly connect the L-shaped adaptor on the forceps head, the following structural form is preferably adopted:

as shown in fig. 5-6, the open groove 111 is a square groove, the vertical connecting shaft 52 is a cylinder with two milled flat sides, a bead-ejecting structure 112 for preventing the vertical connecting shaft 52 from transversely withdrawing is arranged in the square groove, the bead-ejecting structure 112 can prevent the opening rod from dropping off during installation, and the bead-ejecting structure 112 is common knowledge in the art and can specifically include a spring installed in a hole and a steel ball located at the tail end of the spring; a circular end cap 53 is arranged above the vertical connecting shaft 52, and the diameter of the circular end cap 53 is larger than the opening width of the square groove.

Like this, the knob structure can prevent L shape adaptor lateral shifting, and circular end cap and transverse connection board cooperate jointly and can prevent the vertical removal of L shape adaptor, can be simple and convenient, swift like this with L shape adaptor joint on the binding clip.

In addition, the forceps head 11 and the connecting rod 13 may be provided with kirschner wire holes 14 for assisting the fixation of the distraction forceps after the skin is distracted. The rear part of one of the upper forceps body 1 and the lower forceps body 1 '(the upper forceps body 1 is shown in the embodiment of the drawing) can be provided with a transverse rack 15 extending inwards, the rear part of the other one (the lower forceps body 1' is shown in the embodiment of the drawing) can be provided with a button 16 with sharp teeth capable of being meshed with the transverse rack 15, and through the matching of the racks and the button, the locking/unlocking can be realized at any position in the expanding range of the front end of the expanding forceps, so that the operation is convenient.

The operation use process of the multifunctional minimally invasive skin spreading forceps of the utility model can refer to the following steps:

in the operation, the length of the distraction rod is adjusted according to the operation incision, and the distraction distance is preliminarily estimated to adjust the angle of the inner core barb; closing the opening rod, implanting an instrument along the surgical incision, holding the clamp handle tightly to open the incision to a proper distance, locking the rack at the tail end, adjusting the barb direction to be vertical to the surgical incision direction by using a straight wrench, so that the barb is hooked with muscles and soft tissues tightly, and performing the next operation.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional minimal access skin struts pincers, includes the articulated last pincers body and the lower pincers body of connecting in the middle part, its characterized in that, the front end of going up the pincers body is connected with one perpendicularly and struts the pole, the front end of the lower pincers body is connected with one perpendicularly and struts the pole, it is parallel and relative setting with lower distraction pole to go up the pole, the end of going up distraction pole and lower distraction pole all is provided with the barb, it is the adjustable and opening the adjustable structure of pole degree of depth that barb direction is just to go up distraction pole and lower distraction pole.

2. The multifunctional minimally invasive skin spreading forceps according to claim 1, wherein the upper spreading rod and the lower spreading rod each comprise a circular inner core and a circular outer sleeve, the barb is arranged at the lower end of the inner core, the inner core is inserted and connected into the outer sleeve in a depth-adjustable manner, and the upper end of the outer sleeve is connected to the front end of the corresponding forceps body.

3. The multifunctional minimally invasive skin spreading forceps according to claim 2, wherein a transverse hole is formed in the upper portion of the inner core, a spring and steel balls which are located at two ends of the spring and partially protrude out of the transverse hole are arranged in the transverse hole, and a plurality of fixing holes matched with the steel balls are formed in the outer sleeve.

4. The multifunctional minimally invasive skin spreading forceps according to claim 3, wherein the outer sleeve is provided with at least 4 fixing holes in the circumferential direction at the same height.

5. The multifunctional minimally invasive skin spreading forceps according to claim 2, wherein the upper end surface of the inner core is provided with a straight groove.

6. The multifunctional minimally invasive skin spreading forceps according to any one of claims 2 to 5, wherein the upper forceps body and the lower forceps body each comprise a forceps head at the front end, a forceps handle at the middle rear part, and a connecting rod between the forceps heads and the forceps handles, two ends of the connecting rod are hinged to the forceps heads and the forceps handles, and the hinge axis is parallel to the plane of the upper forceps body and the lower forceps body and perpendicular to the length direction of the connecting rod.

7. The multifunctional minimally invasive skin spreading forceps according to claim 6, wherein the outer sleeve is connected to the forceps head through a quick-change structure, the quick-change structure comprising an L-shaped adaptor, the L-shaped adaptor comprising a transverse connecting plate and a vertical connecting shaft connected with the transverse connecting plate, wherein:

8. The multifunctional minimally invasive skin spreading forceps according to claim 7, wherein the open groove is a square groove, the vertical connecting shaft is cylindrical with two flattened sides, and a top bead structure for preventing the vertical connecting shaft from transversely withdrawing is arranged in the square groove;

9. The multifunctional minimally invasive skin spreading forceps according to claim 6, wherein the ends of the forceps head and the forceps handle connected with the connecting rod are both U-shaped fork structures, the ends of the connecting rod are T-shaped structures, the T-shaped structures are connected in the U-shaped fork structures through movable shafts, and the parts of two sides of the ends of the connecting rod, which are opposite to the end surfaces of the U-shaped fork structures, are inclined planes.

10. The multifunctional minimally invasive skin spreading forceps according to claim 6, wherein the forceps head and the connecting rod are provided with Kirschner wire holes;

and/or a transverse rack extending inwards is arranged at the rear part of one of the upper clamp body and the lower clamp body, and a button with sharp teeth capable of being meshed with the transverse rack is arranged at the rear part of the other clamp body.