CN105476672A - Length-adjustable universal headstock fixing drag hook - Google Patents
Length-adjustable universal headstock fixing drag hook Download PDFInfo
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- CN105476672A CN105476672A CN201511023632.0A CN201511023632A CN105476672A CN 105476672 A CN105476672 A CN 105476672A CN 201511023632 A CN201511023632 A CN 201511023632A CN 105476672 A CN105476672 A CN 105476672A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0281—Abdominal wall lifters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B2017/0287—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with elastic retracting members connectable to a frame, e.g. hooked elastic wires
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Abstract
The invention relates to a length-adjustable universal headstock fixing drag hook. The drag hook comprises a multi-hole blade with a drag hook body, an arc-shaped hook arm, an adjustable arm and a headstock fixer, wherein an arc-shaped drag hook blade is arranged at the lower end of the multi-hole blade with the drag hook body, and a multi-hole drag hook soft band is arranged at the upper end of the multi-hole blade with the drag hook body; hooks are arranged on the upper side and the lower side of one end of the arc-shaped hook arm, and the section is cylindrical; the head end of the adjustable arm is provided with an arc-shaped hook arm moving hole and an arc-shaped hook arm fixer, and the lower portion of the adjustable arm is provided with a supporting rod and a supporting plate; the headstock fixer comprises a fixed hook arranged at the tail end of the adjustable arm, a separate reverse fixed hook and a drag hook fixer capable of temporarily fixing the reverse fixed hook and the fixed hook. In the using process, the drag hook is fixed to a headstock cross bar through the drag hook fixer, the length is adjusted through the adjustable arm, the supporting rod and the supporting plate provide sufficient supporting force for the head end, the drag hook pulling direction is set through the arc-shaped hook arm arranged in the arc-shaped hook arm moving hole in a sleeved mode, and the multi-hole blade with the drag hook body is pulled and overhung through the multi-hole drag hook soft band suspended on the hooks. When the drag hook is applied to big-incision abdominal and pelvic cavity operations, the workload of a doctor is greatly reduced. The drag hook is simple in structure, convenient to use and safe and reliable in effect.
Description
Technical field
The present invention relates to a kind of surgery tractor, especially a kind of length is adjustable, and drag hook fixed by the universal headstock, belongs to the technical field of medical apparatus and instruments.
Background technology
Surgical operation especially makes abdominal operation need fully to expose surgical field of view, uses tractive blade by stomach wall upwards tractive, forms enough operative spaces, be convenient to operation technique, reduce possible damage.Current tractive operation is by surgical doctor manual operations, and an operation is got off very tired, and tractive dynamics varies with each individual, tractive effect often changes, and surgical field of view exposes unstable, and drag hook personnel take operating table edge position, may cause surgical staff crowded, affect Advances of operative technique on the contrary.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide the adjustable universal headstock of a kind of length to fix drag hook, abdominal operation can be drawn drag hook and be fixed on the inserted link of operation bedside simply and easily, alleviate doctor's workload, be convenient to operation carry out, simple and convenient, safe and reliable.
According to technical scheme provided by the invention, a kind of length is adjustable, and drag hook fixed by the universal headstock, comprises porous belts drag hook blade, arc clevis arm, adjustable arm and for the headstock holder temporary fixed with headstock cross bar.Described porous belts drag hook blade lower end arranges arc-shaped draw hook blade, and upper end arranges porous drag hook soft ribbons.It is columniform bow that described arc clevis arm arranges cross section, and its one end is provided with some arc arms hook.The head end of described adjustable arm arranges the movable span for being nested with arc clevis arm and the temporary fixed arc clevis arm holder of the arc clevis arm for being nested with in movable span.The front providing holes hook of described movable span, for hook porous belts drag hook blade during the tractive otch of center, head side.Described adjustable arm bottom arranges the supporter for supporting adjustable arm.
Described adjustable arm comprises groove half arm arranging inner chamber and inserted link half arm that can be nested with at groove half arm inner chamber.Run through described groove half arm inner chamber side to close on inserted link half arm spigot and arrange length fixing threaded hole, mate with length fixing threaded hole internal diameter and length set bolt is set.Length fixing threaded hole inwall and length set bolt outer wall arrange the spiral lines of coupling.Described length set bolt can be nested with and move along length fixing threaded hole major axis by rotating in length fixing threaded hole.
Described arc clevis arm holder comprises the radian fixing threaded hole running through movable span side sidewall and the radian set bolt mated with radian fixing threaded hole, and radian fixing threaded hole inwall and radian set bolt outer wall arrange the spiral lines of coupling.Described radian set bolt can be nested with and be moved by the major axis rotated along radian fixing threaded hole in radian fixing threaded hole.
Described supporter comprises the support bar be connected as a single entity with adjustable arm and the gripper shoe be connected with support bar, and support bar is connected by support joint with gripper shoe.Described support bar establishes semiarthrosis one bottom, the center upper portion of gripper shoe arranges the semiarthrosis two mated with semiarthrosis one, and semiarthrosis one and semiarthrosis 21 are cotyla, and corresponding another one is the ball and socket joint of coupling, two semi-articulation bodies mate and inlay connection, can translation-angle and not deviating from.The joint bolt that the sidewall running through cotyla arranges arthrodesis threaded hole and mates with arthrodesis threaded hole, arthrodesis threaded hole inwall arranges with joint bolt outer wall the spiral lines mated, and joint bolt moves by the major axis rotated along arthrodesis threaded hole.
Described headstock holder comprises the hook being arranged on adjustable arm tail end, the bolt fixing hole being arranged on hook top projection, threaded adjusting bar hook and hook adjusting nut.Described threaded adjusting bar hook tail end arranges the reverse hook relative with hook, and threaded adjusting bar hook head end arranges the threaded adjusting bar that external diameter is less than bolt fixing hole internal diameter, and threaded adjusting bar can be nested with and slide along major axis in bolt fixing hole.Described threaded adjusting rod outer surface arranges with hook adjusting nut inner surface the screw thread mated, and hook adjusting nut can threadingly move by adjusting rod outer surface spiral.Described hook adjusting nut external diameter is greater than the internal diameter of bolt fixing hole.
Advantage of the present invention: in abdominal application, can be temporarily fixed on the inserted link of operation bedside by each parts by the abdominal cavity retractor blade of duty simply and easily, alleviate doctor's workload, structure is simple, and easy to use, effect is safe and reliable.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the front schematic view of porous belts drag hook blade of the present invention;
Fig. 3 is the side schematic view of adjustable arm of the present invention;
Fig. 4 is the top view of gripper shoe of the present invention;
Fig. 5 is the side view of headstock holder of the present invention.
Description of symbols: 1-porous belts drag hook blade, 11-arc-shaped draw hook blade, 12-porous drag hook soft ribbons, 2-arc clevis arm, 21-arc arm is linked up with, 3-adjustable arm, 30-supporter, 301-support bar, 302-gripper shoe, 303-support joint, 304-semiarthrosis one, 305-semiarthrosis two, 306-arthrodesis threaded hole, 307-joint bolt, 31-movable span, 32-arc clevis arm holder, 321-radian fixing threaded hole, 322-radian set bolt, 33-groove half arm, 34-inserted link half arm, 35-length fixing threaded hole, 36-length set bolt, 37-hole is linked up with, 4-headstock holder, 41-links up with, 42-bolt fixing hole, 43-threaded adjusting bar is linked up with, 44-links up with adjusting nut, 45-oppositely links up with, 46-threaded adjusting bar.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Figures 1 and 2, described a kind of length is adjustable, and drag hook fixed by the universal headstock, comprises porous belts drag hook blade 1, arc clevis arm 2, adjustable arm 3 and for the headstock holder 4 temporary fixed with headstock cross bar.Described porous belts drag hook blade 1 lower end arranges arc-shaped draw hook blade 11, and upper end arranges porous drag hook soft ribbons 12.It is columniform bow that described arc clevis arm 2 arranges cross section, and its one end is provided with some arc arms hook 21.The head end of described adjustable arm 3 arranges the movable span 31 for being nested with arc clevis arm 2 and the temporary fixed arc clevis arm holder 32 of the arc clevis arm 2 for being nested with in movable span 31.The front providing holes hook 37 of described movable span 31, for hook porous belts drag hook blade 1 during the tractive otch of center, head side.Described adjustable arm 3 bottom arranges the supporter 30 for supporting adjustable arm 3.
During use, the tail end first regulating headstock holder 4 to make the adjustable universal headstock of described length fix drag hook is fixed on the cross bar of surgical head rest.Then regulate the length of adjustable arm 3 to best, to adapt to the chest length of different human body, make the head end of adjustable arm 3 be positioned at the head side dead ahead of operative incision, adjustment supporter 30 makes supporting role reach most steady statue.Arc clevis arm 2 is inserted again by movable span 31, regulate arc clevis arm 2 relative to the position of otch and angle by arc clevis arm 2 in the slip of movable span 31 and rotating, making its one end arranging arc arm hook 21 be positioned at operative incision needs tractive to expand the cutting shoulder in orientation, regulate arc clevis arm holder 32, arc clevis arm 2 is fixed in movable span 31 by stable.Finally, the arc-shaped draw hook blade 11 of porous belts drag hook blade 1 is inserted in otch, and carry along needing the direction of tractive to strain, otch is fully exposed, the porous drag hook soft ribbons 12 of porous belts drag hook blade 1 is linked up with the arc arm hook 21 on top, arc clevis arm 2 one end.
When otch need to be pulled naked position be positioned at positive head side time, above-mentioned steps can be reduced to: the tail end first regulating headstock holder 4 to make the adjustable universal headstock of described length fix drag hook is fixed on the cross bar of surgical head rest.Then regulate the length of adjustable arm 3 to best, to adapt to the chest length of different human body, make the head end of adjustable arm 3 be positioned at the head side dead ahead of operative incision, adjustment supporter 30 makes supporting role reach most steady statue.Finally, the arc-shaped draw hook blade 11 of porous belts drag hook blade 1 is inserted in otch, and carry on tractive along head side, otch is fully exposed, the porous drag hook soft ribbons 12 of porous belts drag hook blade 1 is linked up with the hole arranged in adjustable arm 3 movable span 31 front and link up with on 37.
In the above-described embodiments, described length is adjustable, and the universal headstock fixes that drag hook is fixed by the cross bar of headstock holder 4 with surgical head rest, thus obtains topmost support force.Obtain more stable support force further by supporter 30, then any direction and suitable fixed hook highly can be obtained by arc clevis arm 2 with coordinating of movable span 31.When needing otch positive head side tractive, without the need to using arc clevis arm 2.When needs left side tractive otch, one end arc clevis arm 2 not being arranged arc arm hook 21 penetrates movable span 31 from left side, and the one end making arc clevis arm 2 arrange arc arm hook 21 is positioned at above the direction of draw on the left of otch, can carry out subsequent operation.When needs are to right side tractive, one end arc clevis arm 2 not being arranged arc arm hook 21 penetrates movable span 31 from right side, and the one end making arc clevis arm 2 arrange arc arm hook 21 is positioned at above the direction of draw on the right side of otch, can carry out subsequent operation.Because one end that arc clevis arm 2 arranges arc arm hook 21 is provided with multiple arc arm hook 21, the practical function that left and right sides penetrates movable span 31 there is no difference.It should be noted that, in legend, arc clevis arm 2 symmetric position is provided with two arc arm hooks 21, but is not limited to this number during actual enforcement.
As shown in Figures 1 and 3, described adjustable arm 3 comprises groove half arm 33 arranging inner chamber and inserted link half arm 34 that can be nested with at groove half arm 33 inner chamber.Run through described groove half arm 33 inner chamber side to close on inserted link half arm 34 spigot and arrange length fixing threaded hole 35, mate with length fixing threaded hole 35 internal diameter and length set bolt 36 is set.Length fixing threaded hole 35 inwall and length set bolt 36 outer wall arrange the spiral lines of coupling.Described length set bolt 36 can be nested with and move along length fixing threaded hole 35 major axis by rotating in length fixing threaded hole 35.
The intracavity section of described groove half arm 33 is large compared with the cross section of inserted link half arm 34, and shape Optimum Matching profile, makes inserted link half arm 34 can be embedded in the inner chamber of groove half arm 33, and can move along the long axis direction of groove half arm 33.The front and back position relation of described groove half arm 33 and inserted link half arm 34 is not fixed, can groove half arm 33 at front inserted link half arm 34 rear, also can groove half arm 33 at rear inserted link half arm 34 front.The inner chamber of described groove half arm 33 is preferably closed cavity, the porch of groove half arm 33 lumen openings and inserted link half arm 34 arranges length fixing threaded hole 35, matching length fixing threaded hole 35 arranges length set bolt 36, and described length set bolt 36 can advance along length fixing threaded hole 35 major axis spiral or retreat.When needing to regulate the position of inserted link half arm 34 being embedded in groove half arm 33 inner chamber, outside back-out length set bolt 36 makes its head end be embedded in length fixing threaded hole 35, can regulate the position of inserted link half arm 34 being embedded in groove half arm 33 inner chamber.When regulating end temporary fixed groove half arm 33 of needs and inserted link half arm 34 position, inside precession length set bolt 36 makes the head end of length set bolt 36 hold inserted link half arm 34 same surface in groove half arm 33 inner chamber, thus make groove half arm 33 and inserted link half arm 34 position temporary fixed.In order to increase groove half arm 33 and inserted link half arm 34 temporary fixed time degree of stability, lines increase can be set at groove half arm 33 and inserted link half arm 34 surface and rub sassafras coefficient, or lines is set on length set bolt 36 top.
As shown in Figures 1 and 3, described arc clevis arm holder 32 comprises the radian fixing threaded hole 321 running through movable span 31 side sidewall and the radian set bolt 322 mated with radian fixing threaded hole 321, and radian fixing threaded hole 321 inwall and radian set bolt 322 outer wall arrange the spiral lines of coupling.Described radian set bolt 322 can be nested with and be moved by the major axis rotated along radian fixing threaded hole 321 in radian fixing threaded hole 321.
Its fixedly loosen operation and action principle identical with the principle of adjustable arm 3, be not described in detail herein.
It should be noted that, in order to increase the arc clevis arm 2 be nested with in movable span 31 temporary fixed time degree of stability, rub except sassafras coefficient except arranging lines increase on arc clevis arm 2 outer surface, movable span 31 inner surface and radian set bolt 322 top, the length of movable span 31 can also be increased, thus the contact area of movable span 31 inner surface and arc clevis arm 2 outer surface when increasing temporary fixed.In order to make arc clevis arm 2 can be free to slide in the movable span 31 that length is longer, arc clevis arm 2 and movable span 31 can be arranged to the circular arcuation of diameter matches, now, movable span 31 is circular arc tubulose.But the length of movable span 31 major axis is larger, the scope that arc clevis arm 2 rotates in movable span 31 is less; The length of dynamic hole 31 major axis is shorter, and the scope that arc clevis arm 2 rotates in movable span 31 is larger.Meanwhile, the gap of the external diameter diameter of movable span 31 inner hole section diameter and arc clevis arm 2 is larger, and the scope that arc clevis arm 2 rotates in movable span 31 is larger; The gap of the external diameter diameter of movable span 31 inner hole section diameter and arc clevis arm 2 is less, and the scope that arc clevis arm 2 rotates in movable span 31 is less.
As described in Fig. 1, Fig. 3 and Fig. 4, described supporter 30 comprises the support bar 301 be connected as a single entity with adjustable arm 3 and the gripper shoe 302 be connected with support bar 301, and support bar 301 is connected by support joint 303 with gripper shoe 302.Described support bar 301 establishes semiarthrosis 1 bottom, the center upper portion of gripper shoe 302 arranges the semiarthrosis 2 305 mated with semiarthrosis 1, semiarthrosis 1 and semiarthrosis 2 305 1 are cotyla, corresponding another one is the ball and socket joint of coupling, two semi-articulation bodies mate and inlay connection, can translation-angle and not deviating from.The joint bolt 307 that the sidewall running through cotyla arranges arthrodesis threaded hole 306 and mates with arthrodesis threaded hole 306, arthrodesis threaded hole 306 inwall arranges with joint bolt 307 outer wall the spiral lines mated, and joint bolt 307 moves by the major axis rotated along arthrodesis threaded hole 306.
The effect of described supporter 30 is for install and the arc clevis arm 2 be temporarily fixed in adjustable arm 3 head end movable span 31 provides more stable support force.Concrete, the support bar 301 of described supporter 30 is support force transmission lever.Described gripper shoe 302 is rectangle platy structure, its major axis first-selection and adjustable arm 3 long axis normal, when the direction of draw of porous belts drag hook blade 1 be left side or right side time, gripper shoe 302 and the headstock holder 4 of rectangle platy structure form the larger steadily of centre of gravity area of area with the fixing point of headstock cross bar, more reliable and more stable pulling force can be provided to the porous belts drag hook blade 1 of amesiality tractive, be unlikely to adjustable arm 3 head end is toppled over.
During concrete enforcement, described support bar 301 is connected by support joint 303 with gripper shoe 302, meaning is: different patient chest thickness is different, the height of headstock cross bar is also different simultaneously, causes the long shaft plane of adjustable arm 3 during concrete enforcement may form different angles from patient chest upper plane.When the long shaft plane of adjustable arm 3 and patient chest upper plane have angle to be formed, support bar 301 and chest upper plane out of plumb, shape is at a certain angle, by plane on any situation lower supporting plate 302 and chest being made substantially to fit to the semiarthrosis 1 of support joint 303 and the adjustment of semiarthrosis 2 305, increase steadily of centre of gravity area on the one hand, increase patient chest lifting surface area on the other hand, avoid weighing wounded.
As shown in this legend, described support joint 303 can be ball-and-socket joint, namely in semiarthrosis 1 and semiarthrosis 2 305 one for profile be hemisphere ball and socket joint, another is the hemisphere cotyla of inner chamber coupling.
The advantage in spherical support joint 303 regulates direction diversification more, but shortcoming is also fairly obvious, less stable.In order to increase the stability in spherical support joint 303, be provided with arthrodesis device, namely the joint bolt 307 that the sidewall running through cotyla arranges arthrodesis threaded hole 306 and mates with arthrodesis threaded hole 306, when needing semiarthrosis 1 and semiarthrosis 2 305 position in fixing spherical support joint 303, joint bolt 307 is only needed to screw in arthrodesis threaded hole 306, make joint bolt 307 make the head end of joint bolt 307 hold surface ball and socket joint through the sidewall of cotyla, so make ball and socket joint and cotyla temporary fixed.
When the structure that this is not unique, cylinder joint can also be set to, namely in semiarthrosis 1 and semiarthrosis 2 305 one for profile be the ball and socket joint of cylindrical structure, another is the cylinder cotyla of inner chamber coupling.When support joint 303 is set to cylinder joint, in order to adapt to adjustment demand of the present invention, the major axis of the support joint 303 in described cylinder joint should be consistent with the major axis of gripper shoe 302, simultaneously the support joint 303 in cylinder joint major axis should with the long axis normal of adjustable arm 3.The conciliation direction of support joint 303 when concrete adjustment of such setting can only with the major axis of support joint 303 for axis rotation, and can not to the left or right side skew, decrease to the left or right side skew occurrence probability, during use, degree of stability is higher, instructions for use more according to the invention.When support joint 303 is set to cylinder joint, arthrodesis mechanism can save and need not arrange.
As shown in Figures 1 and 5, described headstock holder 4 comprises the hook 41 being arranged on adjustable arm 3 tail end, the bolt fixing hole 42 being arranged on hook 41 top projection, threaded adjusting bar hook 43 and hook adjusting nut 44.Described threaded adjusting bar is linked up with 43 tail ends and is arranged the reverse hook 45 relative with hook 41, threaded adjusting bar is linked up with 43 head ends and is arranged the threaded adjusting bar 46 that external diameter is less than bolt fixing hole 42 internal diameter, and threaded adjusting bar 46 can be nested with and slide along major axis in bolt fixing hole 42.Described threaded adjusting bar 46 outer surface arranges with hook adjusting nut 44 inner surface the screw thread mated, and hook adjusting nut 44 can threadingly move by adjusting rod 46 outer surface spiral.Described hook adjusting nut 44 external diameter is greater than the internal diameter of bolt fixing hole 42.
In enforcement, the length of threaded adjusting bar 46 is greater than the length of bolt fixing hole 42, the threaded adjusting bar 46 of described threaded adjusting bar hook 43 is nested with in the bolt fixing hole 42 of hook 41 top projection, and described hook adjusting nut 44 is closely nested with the afterbody at the threaded adjusting bar 46 exposing bolt fixing hole 42.Simultaneously, be arranged on the hook 41 of adjustable arm 3 tail end and be arranged on the reverse hook 45 coupling use that 43 tail ends linked up with by threaded adjusting bar, direction is contrary, can be formed surgical head rest cross bar and clasp fixed effect, for increasing fixed effect further, lines can be set at hook 41 and reverse hook 45 apparent surfaces, increase the sassafras coefficient that rubs.When needs adjustable for the described length universal headstock fixed drag hook be fixed on surgical head rest cross bar time, unclamping hook adjusting nut 44 makes the opening of hook 41 and reverse hook 45 magnify, and surgical head rest cross bar is inserted formation and encircles the hook 41 of state and oppositely link up with in 45 armfuls of bosoms.Rotary hanging hook adjusting nut 44 make hook adjusting nut 44 threadingly adjusting rod 46 move to reverse hook 45, because hook adjusting nut 44 external diameter is greater than bolt fixing hole 42 internal diameter, under opposition, oppositely hook 45 is drawn close gradually to hook 41, surgical head rest cross bar is formed and clasps, tighten up gradually, finally fix.When needing to loosen headstock holder 4, reverse operating.
In a word, the present invention applies at surgical operation, can be temporarily fixed on surgical head rest cross bar by the porous belts drag hook blade 1 of the duty of multiple angle simply and easily, alleviate doctor's workload, and structure is simple, and easy to use, effect is safe and reliable.
Claims (5)
1. drag hook fixed by the adjustable universal headstock of length, comprise porous belts drag hook blade (1), arc clevis arm (2), adjustable arm (3) and for the headstock holder (4) temporary fixed with headstock cross bar, it is characterized in that: described porous belts drag hook blade (1) lower end arranges arc-shaped draw hook blade (11), and upper end arranges porous drag hook soft ribbons (12); It is columniform bow that described arc clevis arm (2) arranges cross section, and its one end is provided with some arc arms hook (21); The head end of described adjustable arm (3) arranges the movable span (31) that is used for being nested with arc clevis arm (2) and for being nested with the temporary fixed arc clevis arm holder (32) of arc clevis arm (2) in movable span (31); Front providing holes hook (37) of described movable span (31), for hook porous belts drag hook blade (1) during the tractive otch of center, head side; Described adjustable arm (3) bottom arranges the supporter (30) for supporting adjustable arm (3).
2. drag hook fixed by the adjustable universal headstock of length according to claim 1, it is characterized in that: described adjustable arm (3) comprises groove half arm (33) arranging inner chamber and inserted link half arm (34) that can be nested with at groove half arm (33) inner chamber; Run through described groove half arm (33) inner chamber side to close on inserted link half arm (34) spigot and arrange length fixing threaded hole (35), mate with length fixing threaded hole (35) internal diameter and length set bolt (36) is set; Length fixing threaded hole (35) inwall and length set bolt (36) outer wall arrange the spiral lines of coupling; Described length set bolt (36) can be nested with moves along length fixing threaded hole (35) major axis by rotating in length fixing threaded hole (35).
3. drag hook fixed by the adjustable universal headstock of length according to claim 1, it is characterized in that: described arc clevis arm holder (32) comprises the radian fixing threaded hole (321) running through movable span (31) side sidewall and the radian set bolt (322) mated with radian fixing threaded hole (321), and radian fixing threaded hole (321) inwall and radian set bolt (322) outer wall arrange the spiral lines of coupling; Described radian set bolt (322) can be nested with is moved by the major axis rotated along radian fixing threaded hole (321) in radian fixing threaded hole (321).
4. drag hook fixed by the adjustable universal headstock of length according to claim 1, it is characterized in that: described supporter (30) comprises the support bar (301) be connected as a single entity with adjustable arm (3) and the gripper shoe (302) be connected with support bar (301), and support bar (301) is connected by support joint (303) with gripper shoe (302); Described support bar (301) establishes semiarthrosis one (304) bottom, the center upper portion of gripper shoe (302) arranges the semiarthrosis two (305) mated with semiarthrosis one (304), semiarthrosis one (304) and semiarthrosis two (305) are cotyla, corresponding another one is the ball and socket joint of coupling, two semi-articulation bodies mate and inlay connection, can translation-angle and not deviating from; The joint bolt (307) that the sidewall running through cotyla arranges arthrodesis threaded hole (306) and mates with arthrodesis threaded hole (306), arthrodesis threaded hole (306) inwall arranges with joint bolt (307) outer wall the spiral lines mated, and joint bolt (307) moves by the major axis rotated along arthrodesis threaded hole (306).
5. drag hook fixed by the adjustable universal headstock of length according to claim 1, it is characterized in that: described headstock holder (4) comprises the hook (41) being arranged on adjustable arm (3) tail end, the bolt fixing hole (42) being arranged on hook (41) top projection, threaded adjusting bar hook (43) and hook adjusting nut (44); Described threaded adjusting bar hook (43) tail end arranges the reverse hook (45) relative with hook (41), threaded adjusting bar hook (43) head end arranges the threaded adjusting bar (46) that external diameter is less than bolt fixing hole (42) internal diameter, and threaded adjusting bar (46) can be nested with and slide along major axis in bolt fixing hole (42); Described threaded adjusting bar (46) outer surface arranges with hook adjusting nut (44) inner surface the screw thread mated, and hook adjusting nut (44) can threadingly move by adjusting rod (46) outer surface spiral; Described hook adjusting nut (44) external diameter is greater than the internal diameter of bolt fixing hole (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023632.0A CN105476672B (en) | 2015-12-30 | 2015-12-30 | Length is adjustable, and Universal-head frame fixes drag hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023632.0A CN105476672B (en) | 2015-12-30 | 2015-12-30 | Length is adjustable, and Universal-head frame fixes drag hook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105476672A true CN105476672A (en) | 2016-04-13 |
| CN105476672B CN105476672B (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511023632.0A Expired - Fee Related CN105476672B (en) | 2015-12-30 | 2015-12-30 | Length is adjustable, and Universal-head frame fixes drag hook |
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| CN (1) | CN105476672B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874793A (en) * | 2017-11-27 | 2018-04-06 | 无锡圣诺亚科技有限公司 | Micro-wound tissue dilator |
| CN108095779A (en) * | 2017-12-22 | 2018-06-01 | 中国人民解放军陆军军医大学第附属医院 | A kind of myotasis device |
| CN108969038A (en) * | 2018-07-25 | 2018-12-11 | 温州市中心医院 | A kind of abdominal retractor device |
| CN109199478A (en) * | 2018-10-31 | 2019-01-15 | 中国人民解放军陆军特色医学中心 | A kind of skin retractor |
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| CN203763143U (en) * | 2014-02-21 | 2014-08-13 | 张献华 | Operation retractor assistor for obstetrics and gynecology department |
| CN203898371U (en) * | 2014-06-15 | 2014-10-29 | 游伟 | Costal arch retractor |
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| CN204581375U (en) * | 2015-04-28 | 2015-08-26 | 张继武 | Neurosurgery retractor |
| DE202015103720U1 (en) * | 2015-06-11 | 2015-09-01 | Robert H. Wöllert | Mounting carriage for mounting a holding device on an operating table, in particular a holding device with a retractor |
| CN205251601U (en) * | 2015-12-30 | 2016-05-25 | 无锡市人民医院 | Drag hook is fixed to universal headstock of adjustable lengthwise |
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| CN203763143U (en) * | 2014-02-21 | 2014-08-13 | 张献华 | Operation retractor assistor for obstetrics and gynecology department |
| CN203898371U (en) * | 2014-06-15 | 2014-10-29 | 游伟 | Costal arch retractor |
| CN204581375U (en) * | 2015-04-28 | 2015-08-26 | 张继武 | Neurosurgery retractor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874793A (en) * | 2017-11-27 | 2018-04-06 | 无锡圣诺亚科技有限公司 | Micro-wound tissue dilator |
| CN107874793B (en) * | 2017-11-27 | 2024-05-31 | 无锡圣诺亚科技有限公司 | Minimally invasive tissue spreader |
| CN108095779A (en) * | 2017-12-22 | 2018-06-01 | 中国人民解放军陆军军医大学第附属医院 | A kind of myotasis device |
| CN108095779B (en) * | 2017-12-22 | 2019-07-19 | 中国人民解放军陆军军医大学第一附属医院 | A kind of myotasis device |
| CN108969038A (en) * | 2018-07-25 | 2018-12-11 | 温州市中心医院 | A kind of abdominal retractor device |
| CN109199478A (en) * | 2018-10-31 | 2019-01-15 | 中国人民解放军陆军特色医学中心 | A kind of skin retractor |
| CN109199478B (en) * | 2018-10-31 | 2021-01-05 | 中国人民解放军陆军特色医学中心 | Skin retractor |
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