CN211796661U

CN211796661U - Surgical retractor

Info

Publication number: CN211796661U
Application number: CN202020286881.9U
Authority: CN
Inventors: 王莹; 李艳秋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-10-30
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a surgical retractor, including the left pincers body and the right pincers body of intercrossing setting, the left side pincers body is provided with articulated shaft between them with handing-over department of the right pincers body, and the left side pincers body is provided with corresponding ring respectively with the afterbody of the right pincers body, is located and is provided with the limiting plate on the articulated department of the two pincers bodies and the right pincers body between the ring, articulated on the left side pincers body have with limiting plate matched with locating piece, the left side pincers body is provided with respectively with the upper end of the right pincers body and can dismantle the drag hook, is close to the left side pincers body and is provided with the locking mechanism of locking drag hook with right pincers body upper end position. The utility model discloses simple structure, convenient operation can be applied to the operation opening of equidimension not and use, and the dismouting of drag hook is simple and efficient more, can practice thrift operation time effectively, uses manpower sparingly.

Description

Surgical retractor

Technical Field

The utility model belongs to the technical field of surgery operation medical treatment, concretely relates to surgery operation drag hook.

Background

At present, when carrying out surgery operation clinically, use operation drag hook tractive operation wound usually to expose the operation field of vision, because the difference between the different operation types, operation open-ended size also can be different, required operation drag hook just also can be inequality, this drag hook that just needs to use different models according to different operation open-ended sizes just, and the installation and the dismantlement flow of drag hook are too loaded down with trivial details, have increased operation time, consequently, need a convenient operation to dismantle simple drag hook and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a surgical retractor which is convenient to use and can adapt to different sizes of surgical openings.

The utility model discloses mainly adopt following technical scheme including the left side pincers body and the right side pincers body of intercrossing setting, the left side pincers body is provided with articulated shaft between them with handing-over department of the right side pincers body, and its structural feature is that the afterbody of the left side pincers body and the right side pincers body is provided with corresponding ring respectively, is located and is provided with the limiting plate on the right side pincers body between the articulated department of the two pincers bodies and the ring, articulated on the left side pincers body have with limiting plate matched with locating piece, the upper end of the left side pincers body and the right side pincers body is provided with respectively can dismantle the drag hook, is close to the locking mechanism that the left side pincers body and right side pincers body upper end position were provided.

The limiting plate is the arc, and the limiting plate setting just runs through left pincers body at the inside wall of right pincers body, and the interval is provided with a plurality of spacing holes on the arc, left side pincers internal side wall is provided with the bar opening corresponding with the limiting plate, and bar open-ended direction is outwards extended by the inside wall, be provided with on the pincers body of a left side and be linked together the locating hole with the bar opening, one side of locating hole articulates there is the locating piece, the locating piece is the L type, and the locating piece passes the locating hole card and goes into spacing downthehole.

The left clamp body is provided with a hinged seat, the hinged seat comprises two symmetrically arranged fixed blocks on the side wall of the left clamp body, a rotating connecting shaft is arranged between the two fixed blocks, one end of a positioning block is connected onto the rotating connecting shaft, and the positioning block swings back and forth along the rod body of the left clamp body.

The draw hook comprises an insertion rod and a hook body arranged at the front end of the insertion rod, an insertion hole extending along the rod body direction is formed in the end face of the tail end of the insertion rod, the draw hook is installed at the upper ends of the left forceps body and the right forceps body respectively through the insertion hole, the opening of the insertion hole is polygonal, and a clamping groove matched with the locking mechanism is formed in the outer wall close to the tail end of the insertion rod.

The cross section shapes of the rod bodies at the upper ends of the left clamp body and the right clamp body are matched with the shape and the size of the plug-in port, counter bores extending along the rod body direction are respectively arranged on the end faces of the upper ends of the left clamp body and the right clamp body, a return spring is arranged on the inner bottom wall of each counter bore, a top column extending out of an opening of each counter bore is arranged on each return spring, and the distance of the top column extending out of each counter bore corresponds to the depth of the plug-in hole.

The locking mechanism comprises hinged bases symmetrically hinged to two sides of the clamp body, each hinged base comprises a base body and a hinged shaft provided with a torsional spring, an L-shaped clamping block is arranged on each hinged shaft, and one end of each clamping block is clamped into a clamping groove in the outer wall of the corresponding draw hook.

The finger rings are respectively arranged on the tail rod bodies of the left forceps body and the right forceps body, and the two finger rings are mutually symmetrical and are positioned in the same plane.

The beneficial effects of the utility model reside in that: set up the detachable drag hook through the upper end at the left side pincers body and the right side pincers body, can change the drag hook of different models according to the operation opening of difference, and the spliced eye that sets up on the drag hook cooperatees with the outer wall of pincers body upper end, can effectually avoid the drag hook to rotate on the pincers body, reset spring and the fore-set that set up in two pincers body upper ends can cooperate with the spliced eye of drag hook, make things convenient for the change of drag hook more, it is more convenient to make the operation, the limiting plate that is located the right side pincers body setting cooperatees with bar opening and the locating piece that the left side pincers body set up, can the opening and shutting angle of two pincers bodies of effective control, and can avoid. The utility model discloses simple structure, convenient operation can be applied to the operation opening of equidimension not and use, and the dismouting of drag hook is simple and efficient more, can practice thrift operation time effectively, uses manpower sparingly.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a sectional structure of the connection between the drag hook and the clamp body;

FIG. 3 is a left side view of the left clamp body;

FIG. 4 is a schematic diagram of the right side view of the structure of FIG. 3;

fig. 5 is a schematic view of the structure of the insertion hole and the counter bore of the present invention.

Detailed Description

Referring to the attached drawings, the utility model discloses a left pincers body 1 and the right pincers body 2 of intercrossing setting are provided with articulated shaft between them in left pincers body 1 and right pincers body 2 handing-over department, and this pin joint is close to the intermediate position of two pincers bodies, and the afterbody that lies in left pincers body 1 and right pincers body 2 is provided with corresponding ring 3 respectively, and during the design, ring 3 sets up respectively on the afterbody body of rod of left pincers body 1 and right pincers body 2, and its shape size suits with the finger, and two ring 3 mutual symmetries just lie in the coplanar. A limiting plate 4 is arranged on the right forceps body 2 between the hinged position of the two forceps bodies and the ring 3, the limiting plate 4 is an arc-shaped plate or a strip-shaped plate with a certain radian, one end of the limiting plate 4 is fixedly connected to the inner side wall of the right forceps body 2 opposite to the left forceps body 1 and penetrates through the rod body of the left forceps body 1, a plurality of limiting holes 7 are arranged on the arc-shaped plate at intervals along the length direction, the inner side wall of the left forceps body 1 is provided with a strip-shaped opening 8 corresponding to the limiting plate 4, the limiting plate 4 passes through the strip-shaped opening 8 and extends towards the left forceps body 1, the upper ends of the two forceps bodies extend towards the left forceps body 1, the strip-shaped opening 8 extends towards the outer side wall transversely from the inner side wall during manufacturing, the strip-shaped opening 8 and the limiting plate 4 are positioned in the same plane, a positioning hole communicated with the strip-shaped opening 8 is arranged on the rod body of the, when the positioning block 5 is designed, the positioning block 5 is in an L shape, one end of the positioning block 5 is hinged to the hinged seat on one side of the strip-shaped opening 8 and can swing up and down along the rod body of the left clamp body 1, and the other end of the positioning block can be inserted into the positioning hole and clamped in the limiting hole 7, so that the opening and closing angle of the left clamp body 1 and the right clamp body 2 is controlled, and the positioning effect can be achieved, of course, in order to avoid the situation that the positioning block 5 is clamped in the limiting hole 7, the angle between the two clamp bodies fluctuates, the shape and the size of the limiting hole 7 are the same as those of the positioning hole, and the size of the cross section.

Be provided with respectively in the upper end of the left side pincers body 1 and the right side pincers body 2 and dismantle drag hook 6, be located and be close to the locking mechanism that left side pincers body 1 and right side pincers body 2 upper end position were provided with locking drag hook 6 on the left side pincers body 1 and the right side pincers body 2, during the design, drag hook 6 includes peg graft 9 and the coupler body 10 of setting at peg graft 9 front end, be provided with along the spliced eye 11 of body of rod orientation extension at the terminal surface of peg graft 9, the degree of depth of spliced eye 11 is generally lighter, facilitate device's disinfection like this, drag hook 6 installs respectively in the upper end of the left side pincers body 1 with the right side pincers body 2 through this spliced eye 11, the opening of spliced eye 11 is the polygon, be provided with on the outer wall near the end of peg graft 9 and lock mechanism. The cross section shapes of the rod bodies at the upper ends of the left forceps body 1 and the right forceps body 2 are matched with the shape and the size of the insertion port, and the arrangement of the section of the polygon of the insertion hole 11 is matched with the shapes of the outer walls at the upper ends of the left forceps body 1 and the right forceps body 2, so that the drag hook 6 can be prevented from rotating on the forceps bodies when being arranged on the left forceps body and the right forceps body. When designing, locking mechanism includes that the symmetry articulates the articulated base 16 in pincers body both sides, articulated base 16 includes the pedestal and installs the articulated shaft of torsional spring, be provided with L type fixture block 17 on the articulated shaft, the montant of L type fixture block 17 is installed on the articulated shaft and is mutually supported with the torsional spring, and the horizontal pole card of L type fixture block 17 is gone into in the draw-in groove 12 of drag hook 6 outer wall, during the preparation, two tip cards of torsional spring are respectively on fixture block 17 and pedestal, make fixture block 17 can open and shut for the pincers body on the handing-over base, and can reset, of course the torsional spring also can replace with other elastomeric element, spring etc. that if can reset, and the pincers body on the drag hook 6 then is used for supporting patient's operation opening, interval and the shape size of two hook bodies 10 on its two pincers bodies about, can set up the different models that accord with the operation demand.

In order to facilitate taking and placing of the draw hook 6 and improve the stability of the draw hook to avoid shaking of the draw hook 6 on the forceps body, in the design process, counter bores 13 extending along the rod body direction are respectively arranged on the end faces of the upper ends of the left forceps body 1 and the right forceps body 2, return springs 14 are arranged on the inner bottom walls of the counter bores 13, ejector columns 15 extending out of openings of the counter bores 13 are arranged on the return springs 14, and the distance of the ejector columns 15 extending out of the counter bores 13 corresponds to the depth of the inserting holes 11.

When the medical forceps are used, according to the size of an operation opening to be separated when a patient performs an operation, the upper ends of the left forceps body 1 and the right forceps body 2 are provided with the detachable draw hook 6, the draw hook is clamped into the clamp groove 12 on the outer wall of the draw hook 6 through the clamp block 17 of the locking mechanism, the hook body 10 is clamped into the operation opening of the patient, the operation opening is supported to a proper size through controlling the finger rings 3 at the tail parts of the left forceps body 1 and the right forceps body 2, then the positioning block 5 arranged on the left forceps body 1 penetrates through the positioning hole to be clamped into the limiting hole 7 of the limiting plate 4, and the operation opening is supported and kept to a proper size to perform the operation; when the operation is finished, the positioning block 5 is pulled out of the positioning hole, and the device is taken down.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the present invention. The present invention has been described in detail with reference to the foregoing embodiments, and it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made therein without departing from the spirit and scope of the invention. However, any modification, equivalent replacement, improvement and the like made within the scope of the inventive concept of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a surgical retractor, includes two alternately arranged's left side pincers body (1) and right side pincers body (2), and the handing-over department of left side pincers body (1) and right side pincers body (2) is provided with articulated shaft between them, its characterized in that: the utility model discloses a locking mechanism, including left side pincers body (1) and right pincers body (2), the afterbody of the left side pincers body (1) and right pincers body (2) is provided with corresponding ring (3) respectively, is located articulated department of two pincers bodies and is provided with limiting plate (4) on right pincers body (2) between ring (3), articulated on the left side pincers body (1) have with limiting plate (4) matched with locating piece (5), the upper end of the left side pincers body (1) and right pincers body (2) is provided with respectively can dismantle drag hook (6), is close to left pincers body (1) and right pincers body (2) upper end position and is provided with the locking mechanism of locking drag hook (6).

2. The surgical retractor according to claim 1, wherein: limiting plate (4) are the arc, and limiting plate (4) set up at the inside wall of the right side pincers body (2) and run through left side pincers body (1), and the interval is provided with a plurality of spacing holes (7) on the arc, left side pincers body (1) inside wall is provided with bar opening (8) corresponding with limiting plate (4), and the direction of bar opening (8) is outwards extended by the inside wall, be provided with on the left side pincers body (1) and be linked together the locating hole with bar opening (8), one side of locating hole articulates there is locating piece (5), locating piece (5) are the L type, and locating piece (5) pass in locating hole card income spacing hole (7).

3. The surgical retractor according to claim 2, wherein: be provided with articulated seat on the pincers body of a left side (1), articulated seat includes that the bisymmetry sets up the fixed block at the pincers body of a left side (1) lateral wall, is provided with the rotation connecting axle between two fixed blocks, the one end of locating piece (5) is connected on the rotation connecting axle, the body of rod forward and backward swing of the pincers body of a left side (1) is followed in locating piece (5).

4. The surgical retractor according to claim 1, wherein: the draw hook (6) comprises an insertion rod (9) and a hook body (10) arranged at the front end of the insertion rod (9), wherein an insertion hole (11) extending along the rod body direction is formed in the end face of the end of the insertion rod (9), the draw hook (6) is installed at the upper ends of the left clamp body (1) and the right clamp body (2) through the insertion hole (11), the opening of the insertion hole (11) is polygonal, and a clamping groove (12) matched with the locking mechanism is formed in the outer wall close to the end of the insertion rod (9).

5. The surgical retractor according to claim 4, wherein: the cross section shapes of the rod bodies at the upper ends of the left clamp body (1) and the right clamp body (2) are matched with the shape and size of the plug-in port, counter bores (13) extending along the rod body direction are respectively arranged on the end faces of the upper ends of the left clamp body (1) and the right clamp body (2), a reset spring (14) is arranged on the inner bottom wall of each counter bore (13), a top column (15) extending out of the opening of each counter bore (13) is arranged on each reset spring (14), and the distance from each top column (15) extending out of each counter bore (13) corresponds to the depth of each plug-in hole (11).

6. A surgical retractor according to claim 1 or 4 wherein: locking mechanism includes that the symmetry articulates articulated base (16) in pincers body both sides, and articulated base (16) include the pedestal and install the articulated shaft of torsional spring, be provided with L type fixture block (17) on the articulated shaft, the draw-in groove (12) of drag hook (6) outer wall are gone into to the one end card of fixture block (17).

7. The surgical retractor according to claim 1, wherein: the finger rings (3) are respectively arranged on the tail rod bodies of the left forceps body (1) and the right forceps body (2), and the two finger rings (3) are mutually symmetrical and are positioned in the same plane.