Laparoscopic mirror support

Abstract

The invention discloses a laparoscope mirror-supporting device, comprising a support rod, a cross rod and a mirror-supporting device, wherein the support rod comprises a pneumatic rod and a sleeve rod which can be lifted vertically, the pneumatic rod comprises a fixed outer sleeve rod and a piston rod arranged in the fixed outer sleeve rod; a sleeve rod through hole is arranged at the center of the sleeve rod, the sleeve rod through hole penetrates the upper and lower end surfaces of the sleeve rod, a lifting and lowering adjustment push rod which can move axially along the sleeve rod through hole is arranged in the sleeve rod through hole, the sleeve rod is detachably connected and fixed to the piston rod, a shaft sleeve is arranged at one end of the cross rod, a sliding shaft part which is matched and connected with the shaft sleeve is arranged at one end of the sleeve rod away from the pneumatic rod, the mirror-supporting device is movably sleeved on the cross rod; a fixing clamp is arranged on the outer wall of the fixed outer sleeve rod. Compared with the prior art, the height adjustment of the cross rod is realized by the pneumatic rod, so that the operation can be performed with one hand, without the need for a dedicated person to operate with both hands, and the mirror-supporting clamp adopts a clamping structure, so that the laparoscope can be clamped without manually opening the mirror-supporting clamp, thus saving operation time.

Description

Technical Field

[0001] The invention relates to a medical device, in particular to a laparoscope supporter. Background Art

[0002] The transformation of the current medical model and the rapid development of related science and technology have created a broad space for the promotion and application of minimally invasive surgical techniques. Laparoscopes with minimally invasive effects have played a significant role in the diagnosis and treatment of abdominal diseases. During laparoscopic surgery, a dedicated person is often required to support the laparoscope lens, which can facilitate timely changes in the lens position and direction according to changes in the surgical site. However, during long-term surgery, the person holding the lens will become fatigued due to maintaining the same angle for a long time, causing the lens to easily deviate from the field of view required for the surgery, or not synchronized with the changes in the surgical field of view in time, affecting the surgical operation; and the existing mirror support frames are all manually operated, that is, the height adjustment of the mirror support frames is achieved by manually stretching the height. This operation method not only increases the operation time, but also increases the complexity of the operation, and requires one person to operate with both hands, which greatly increases the operation time. Summary of the invention

[0003] The purpose of the present invention is to provide a laparoscopic mirror support device, and the technical problem to be solved is to facilitate surgical operations, save manpower and surgical time.

[0004] To solve the above problems, the present invention adopts the following technical solutions: a laparoscope mirror support device, including a support rod, a cross rod and a mirror support device, the support rod includes a pneumatic rod and a sleeve rod that can be vertically lifted and lowered, the pneumatic rod includes a fixed outer sleeve rod and a piston rod arranged in the fixed outer sleeve rod, the piston rod has a button at one end away from the fixed outer sleeve rod, so that after the button is pressed, the piston rod can be vertically lifted and lowered in the fixed outer sleeve rod; a sleeve rod through hole is provided at the center of the sleeve rod, the sleeve rod through hole passes through the upper and lower end surfaces of the sleeve rod, and a lifting and lowering adjustment button that can move along the axial direction of the sleeve rod through hole is provided in the sleeve rod through hole The crossbar is provided with a shaft sleeve, and the end of the sleeve rod is provided with a sliding shaft part which is matched with the shaft sleeve, so that the crossbar can be sleeved on the sliding shaft part through the shaft sleeve and the crossbar can be rotated on the sleeve rod, and the mirror support device is movably sleeved on the crossbar so that the mirror support device can slide along the axial direction of the crossbar; a fixing clip is provided on the outer wall of the fixed outer sleeve to fix the gas pressure rod on the edge of the operating table.

[0005] Furthermore, a connecting hole having a diameter larger than the diameter of the sleeve rod through hole is provided at the end of the sleeve rod opposite to the piston rod, so that the sleeve rod can be sleeved and fixed on the end opposite to the piston rod.

[0006] Furthermore, an internal thread is provided on the hole wall of the connecting hole, and an external thread matching the internal thread of the connecting hole is provided on the outer wall of the end of the piston rod opposite to the sleeve rod, so as to realize the threaded connection between the sleeve rod and the piston rod.

[0007] Furthermore, a limiting mechanism is provided on the lifting and adjusting push rod, the limiting mechanism includes a first stopper and a second stopper, the limiting mechanism is arranged in the connecting hole, a first through hole is provided in the middle part of the first stopper, the first stopper is sleeved and fixed on the part of the rod body of the lifting and adjusting push rod located in the connecting hole through the first through hole, so that the lifting and adjusting push rod is restricted in the sleeve through hole, a second through hole is provided in the middle part of the second stopper, so that the lifting and adjusting push rod can slide back and forth in the second through hole, the second stopper is circular, and its diameter is matched with the aperture of the connecting hole, an external thread matched with the thread of the connecting hole is provided on the outer wall of the second stopper, and the second stopper is threadedly connected to the internal thread of the connecting hole through the external thread, so that the second stopper is fixed in the connecting hole.

[0008] Furthermore, the limiting mechanism also includes a first spring, and the first spring is sleeved on the lifting and adjusting push rod and is located between the first stopper and the second stopper.

[0009] Furthermore, the mirror support device comprises a mirror support sliding sleeve and a mirror support clamp, wherein the mirror support clamp is rotatably fixed on the mirror support sliding sleeve, and the mirror support sliding sleeve is sleeved on the cross bar.

[0010] Furthermore, the mirror clamp includes a base, an L-shaped portion arranged on the base and a clamping plate; a base hole passing through the base is provided on the base, the axis of the base hole is parallel to the axis of the sleeve rod, a connecting screw hole is provided on the mirror sliding sleeve, the base is threadedly connected to the connecting screw hole through a first fixing screw to achieve the base being rotatably fixed to the mirror sliding sleeve, the L-shaped portion includes a flat plate portion and a vertical portion, the base hole passes through the flat plate portion, a flat plate hole is provided on the flat plate portion, the axis of the flat plate hole is perpendicular to the axis of the base hole and is staggered, a clamping plate screw hole is provided on the clamping plate, the clamping plate screw hole is opposite to the flat plate hole, the L-shaped portion is connected and fixed to the clamping plate screw hole after passing through the flat plate hole by a second fixing screw, the second fixing screw can move in the flat plate hole so that the distance between the clamping plate and the vertical portion can be adjusted; a second spring is sleeved on the second fixing screw to achieve that after the clamping plate is pulled apart, the clamping plate and the vertical portion clamp the clamped object under the influence of the tension of the second spring.

[0011] Furthermore, a third spring is sleeved on the first fixing screw rod so that the mirror support sliding sleeve and the mirror support clamp can be in close contact with each other.

[0012] Furthermore, two flat plate holes are provided, which are symmetrically arranged on the flat plate portion.

[0013] Furthermore, the fixing clip is N-shaped with its opening facing downwards, one side wall of the fixing clip is connected and fixed to the fixing outer sleeve rod, and an adjusting screw hole is provided on the other side wall of the fixing clip, and a fixing screw is provided in the adjusting screw hole.

[0014] Compared with the prior art, the present invention realizes the adjustment of the height of the cross bar by arranging a pneumatic rod, so that it can be operated with one hand without the need for a dedicated person to operate with both hands. The scope clamp adopts a clamping structure, so that the laparoscope can be clamped without manually opening the scope clamp, saving operation time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention.

[0016] Figure 2 It is a structural schematic diagram of the sleeve rod of the present invention.

[0017] Figure 3 It is a structural schematic diagram of the mirror support clamp of the present invention.

[0018] Figure 4 It is a schematic diagram of the external structure of the mirror support clamp of the present invention.

[0019] Figure 5 It is a structural schematic diagram of the cross bar of the present invention.

[0020] Figure 6 It is a schematic diagram of the position of the fixing clip of the present invention. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0022] like Figure 1 , Figure 5 and Figure 6As shown, the present invention discloses a laparoscope mirror support device, comprising a support rod 1, a cross bar 2 and a mirror support device 3, the cross bar 2 is arranged on the support rod 1, and the mirror support device 3 can be slidably arranged on the cross bar 2; the cross bar 2 is parallel to the bed surface of the operating bed; the support rod 1 comprises a pneumatic rod 4 and a sleeve rod 5 which can be vertically lifted and lowered, the pneumatic rod 4 adopts the gas spring used for swivel chairs in the prior art, the pneumatic rod 4 comprises a fixed outer rod 41, a piston rod 42 arranged in the fixed outer rod 41, the piston rod 42 has a button 43 at one end away from the fixed outer rod 41, so that after the button 43 is pressed, the piston rod 42 can be vertically lifted and lowered in the fixed outer rod 41; a sleeve rod through hole 51 is provided at the center of the sleeve rod 5, the sleeve rod through hole 51 passes through the upper and lower end surfaces of the sleeve rod 5, a lifting and lowering adjustment push rod 6 which can move along the axial direction of the sleeve rod through hole 51 is provided in the sleeve rod through hole 51, the sleeve rod 5 is detachably connected and fixed to the piston rod 42, so as to drive the sleeve rod 5 when the piston rod 42 is lifted and lowered. When the lifting and lowering push rod 6 is lifted and lowered, the lifting and lowering push rod 6 is opposite to the button 43. When the lifting and lowering push rod 6 is pressed, the lifting and lowering push rod 6 touches the button 43 and presses the button 43; the end of the lifting and lowering push rod 6 away from the button 43 extends from the sleeve rod through hole 51 to the outside of the sleeve rod 5; a shaft sleeve 21 is provided on one end of the cross bar 2, and a sliding shaft portion 52 adapted to be connected with the shaft sleeve 21 is provided at the end of the sleeve rod 5 away from the gas pressure rod 4, so that the cross bar 2 can be sleeved on the sliding shaft portion 52 through the shaft sleeve 21 and The cross bar 2 can rotate on the sleeve rod 5; the diameter of the sliding shaft portion 52 is smaller than the outer diameter of the sleeve rod 5 to form a step structure. After the sliding sleeve 21 is sleeved on the sliding shaft portion 52, the lower end of the sliding sleeve 21 abuts against the position of the step structure to limit the sliding sleeve 21; the mirror support device 3 is movably sleeved on the cross bar 2 so that the mirror support device 3 can slide along the axial direction of the cross bar 2; a fixing clip 44 is provided on the outer wall of the fixed outer sleeve rod 41 to fix the pneumatic rod 4 to the edge of the operating table.

[0023] like Figure 1 and Figure 2 As shown, a connecting hole 53 having a diameter larger than the diameter of the sleeve rod through hole 51 is provided at the end of the sleeve rod 5 opposite to the piston rod 42, so that the sleeve rod 5 can be sleeved and fixed on the end opposite to the piston rod 42; specifically, an internal thread is provided on the hole wall of the connecting hole 53, and an external thread matching the internal thread of the connecting hole 53 is provided on the outer wall of the end of the piston rod 42 opposite to the sleeve rod 5, so as to realize the threaded connection between the sleeve rod 5 and the piston rod 42, thereby facilitating installation.

[0024] like Figure 1 and Figure 2As shown, a limiting mechanism 7 is provided on the lifting and adjusting push rod 6, and the limiting mechanism 7 includes a first stopper 71 and a second stopper 72. The limiting mechanism 7 is arranged in the connecting hole 53. A first through hole 711 is provided in the middle of the first stopper 71. The first stopper 71 is sleeved and fixed on the part of the rod body of the lifting and adjusting push rod 6 located in the connecting hole 53 through the first through hole 711, so that the lifting and adjusting push rod 6 is restricted in the sleeve rod through hole 51. A second through hole 721 is provided in the middle of the second stopper 72, so that the lifting and adjusting push rod 6 can slide back and forth in the second through hole 721. The second stopper 72 is circular, and its diameter is adapted to the aperture of the connecting hole 53. A through hole 711 is provided on the outer wall of the second stopper 72 to match the aperture of the connecting hole 53. The second stopper 72 is connected to the internal thread of the connecting hole 53 through the external thread, so that the second stopper 72 is fixed in the connecting hole 53; specifically, the first stopper 71 is circular, and its diameter is slightly smaller than the diameter of the second stopper 72; the second stopper 72 is provided with a screwing groove 74 for assembling it into the connecting hole 53, the first through hole 711, the second through hole 721, and the sleeve rod through hole 51 are all arranged on the same axis, and the first stopper 71 is connected and fixed to the lifting and adjusting push rod 6 by welding; when not in use, one end of the lifting and adjusting push rod 6 naturally extends from the end of the sleeve rod 5 away from the pneumatic rod 4, and the other end of the lifting and adjusting push rod 6 abuts against the button 43.

[0025] like Figure 1 As shown, the limiting mechanism 7 also includes a first spring 73, which is sleeved on the lifting adjustment push rod 6 and located between the first stopper 71 and the second stopper 72. After the lifting adjustment push rod 6 is pressed, the lifting adjustment rod 6 is reset by the reset of the first spring 73.

[0026] like Figure 1 , Figure 3 and Figure 4As shown, the mirror support device 3 includes a mirror support sleeve 31 and a mirror support clamp 32. The mirror support clamp 32 is rotatably fixed on the mirror support sleeve 31. The mirror support sleeve 31 is sleeved on the cross bar 2, so that the mirror support device 3 can slide left and right on the cross bar 2 and rotate about the axis of the cross bar 2; specifically, the mirror support clamp 32 includes a base 33, an L-shaped portion 34 arranged on the base 33, and a clamping plate 35; a base hole 331 penetrating the base 33 is provided on the base 33, the axis of the base hole 331 is parallel to the axis of the sleeve rod 5, the base hole 331 is a through hole, and the hole opening at the end opposite to the mirror support sleeve 31 is a stepped hole; a connecting screw hole 311 is provided on the mirror support sleeve 31, and the base 33 is threadedly connected with the connecting screw hole 311 through a first fixing screw 36 to realize that the base 33 is rotatably fixed to the mirror support sleeve 3 1; the L-shaped portion 34 includes a flat plate portion 341 and a vertical portion 342, the base hole 331 passes through the flat plate portion 341, a flat plate hole 343 is provided on the flat plate portion 341, the axis of the flat plate hole 343 is perpendicular to the axis of the base hole 331 and is staggered, a clamping plate screw hole 351 is provided on the clamping plate 35, the clamping plate screw hole 351 is opposite to the flat plate hole 343, the L-shaped portion 34 is connected and fixed to the clamping plate screw hole 351 after the second fixing screw 37 passes through the flat plate hole 343, and the second fixing screw 37 can move in the flat plate hole 343 so that the distance between the clamping plate 35 and the vertical portion 342 can be adjusted; a second spring 38 is sleeved on the second fixing screw 37 to achieve that after the clamping plate 35 is pulled apart, the clamping plate 35 and the vertical portion 342 clamp the clamped object under the influence of the tension of the second spring 38.

[0027] like Figure 4 As shown, in the present invention, two flat plate holes 343 are provided, which are symmetrically arranged on the flat plate portion 341 . Specifically, the two flat plate holes 343 are symmetrically arranged on both sides of the flat plate portion 341 located at the base hole 331 .

[0028] like Figure 1 As shown, on the basis of the above structure, a third spring 39 is sleeved on the first fixed screw 36 so that the mirror sleeve 31 and the mirror clamp 32 can fit tightly against each other. When the base 33 is rotated, the base 33 is always subjected to the tension of the third spring 39, so that the mirror sleeve 31 and the mirror clamp 32 can fit tightly against each other.

[0029] like Figure 1 and Figure 6 As shown, in the present invention, the fixing clamp 44 is N-shaped with its opening facing downward, one side wall of the fixing clamp 44 is connected and fixed to the fixing outer sleeve rod 41, and an adjusting screw hole 441 is provided on the other side wall of the fixing clamp 44, and a fixing screw 8 is provided in the adjusting screw hole 441, so as to fix it on the side of the operating bed.

[0030] In the present invention, except for the gas pressure rod 4, the remaining components are made of medical stainless steel materials to meet the requirements of repeated sterilization of surgical instruments.

[0031] When in use, first clamp the pneumatic rod 4 to the side of the operating bed through the fixing clamp 44, then screw the sleeve rod 5 onto the upper end of the piston rod of the pneumatic rod 4, then sleeve and fix the cross bar 2 onto the sliding shaft portion 52 of the sleeve rod 5 through the shaft sleeve 21, and finally sleeve the mirror support sliding sleeve 31 onto the cross shaft 2 to complete the assembly.

[0032] The present invention realizes the adjustment of the height of the crossbar by setting a pneumatic rod, so that the operation can be performed with one hand, without the need for a dedicated person to operate with both hands. The mirror support clamp adopts a clamping structure, which realizes the clamping of the laparoscope without the need for manual opening of the mirror support clamp, thus saving operation time. The structural feature of the present invention is that the height of the crossbar 2 is adjusted by the pneumatic rod 4, and the crossbar 2 and the mirror support sliding sleeve 31, the mirror support sliding sleeve 31 and the mirror support clamp 32, the shaft sleeve 21 of the crossbar and the sliding shaft portion 52 of the sleeve rod are rotated or slid mutually, so that the laparoscope lens can move forward and backward, left and right, and the field of vision can be fixed and clear. The clinical use feature is that the disinfection and storage components only have three components, namely, the sleeve rod 5, the crossbar 2 and the mirror support device 3, which is convenient for disinfection, storage and use.

Claims

1. A laparoscope support device, comprising a support rod (1), a cross bar (2) and a laparoscope support device (3), characterized in that: The support rod (1) comprises a pneumatic rod (4) and a sleeve rod (5) which can be lifted vertically. The pneumatic rod (4) comprises a fixed outer sleeve rod (41) and a piston rod (42) arranged in the fixed outer sleeve rod (41). The piston rod (42) has a button (43) at one end away from the fixed outer sleeve rod (41). When the button (43) is pressed, the piston rod (42) can be lifted vertically in the fixed outer sleeve rod (41). A sleeve rod through hole (51) is provided at the center of the sleeve rod (5). The sleeve rod through hole (51) passes through the upper and lower end surfaces of the sleeve rod (5). A lifting and lowering adjustment push rod (6) which can move axially along the sleeve rod through hole (51) is provided in the sleeve rod through hole (51). The sleeve rod (5) is detachably connected and fixed to the piston rod (42). The lifting and lowering adjustment push rod (6) can be lifted vertically in the fixed outer sleeve rod (41). The push rod (6) is opposite to the button (43), and one end of the lifting and adjusting push rod (6) away from the button (43) extends out of the sleeve rod through hole (51) to the outside of the sleeve rod (5); a shaft sleeve (21) is provided on one end of the cross bar (2), and a sliding shaft portion (52) adapted to be connected to the shaft sleeve (21) is provided at one end of the sleeve rod (5) away from the gas pressure rod (4), so that the cross bar (2) can be sleeved on the sliding shaft portion (52) through the shaft sleeve (21) so that the cross bar (2) can rotate on the sleeve rod (5), and the mirror support device (3) is movably sleeved on the cross bar (2) so that the mirror support device (3) can slide along the axial direction of the cross bar (2); a fixing clamp (44) is provided on the outer wall of the fixed outer sleeve rod (41) so as to fix the gas pressure rod (4) on the edge of the operating table; A connecting hole (53) having a diameter greater than that of the sleeve rod through hole (51) is provided at the end of the sleeve rod (5) opposite to the piston rod (42), so that the sleeve rod (5) can be sleeved and fixed on the end opposite to the piston rod (42); an internal thread is provided on the hole wall of the connecting hole (53), and an external thread matching the internal thread of the connecting hole (53) is provided on the outer wall of the end of the piston rod (42) opposite to the sleeve rod (5), so as to realize threaded connection between the sleeve rod (5) and the piston rod (42); A limiting mechanism (7) is provided on the lifting and adjusting push rod (6), the limiting mechanism (7) comprising a first stopper (71) and a second stopper (72). The limiting mechanism (7) is arranged in the connecting hole (53), a first through hole (711) is provided in the middle of the first stopper (71), and the first stopper (71) is sleeved and fixed on the part of the rod body of the lifting and adjusting push rod (6) located in the connecting hole (53) through the first through hole (711), so that the lifting and adjusting push rod (6) is restricted in the sleeve rod through hole (51). A second through hole (721) is provided in the middle of the second stopper (72) for the lifting and adjusting push rod (6) to slide back and forth in the second through hole (721); the second stopper (72) is circular, and its diameter matches the hole diameter of the connecting hole (53); an external thread matching the thread of the connecting hole (53) is provided on the outer wall of the second stopper (72); the second stopper (72) is threadedly connected to the internal thread of the connecting hole (53) through the external thread, so that the second stopper (72) is fixed in the connecting hole (53); The limiting mechanism (7) further comprises a first spring (73), the first spring (73) being sleeved on the lifting and adjusting push rod (6) and being located between the first stopper (71) and the second stopper (72); The mirror support device (3) comprises a mirror support sliding sleeve (31) and a mirror support clamp (32), wherein the mirror support clamp (32) is rotatably fixed on the mirror support sliding sleeve (31), and the mirror support sliding sleeve (31) is sleeved on the crossbar (2); The mirror support clamp (32) comprises a base (33), an L-shaped portion (34) disposed on the base (33), and a clamping plate (35); a base hole (331) penetrating the base (33) is disposed on the base (33); the axis of the base hole (331) is parallel to the axis of the sleeve rod (5); a connecting screw hole (311) is disposed on the mirror support sliding sleeve (31); the base (33) is threadedly connected to the connecting screw hole (311) via a first fixing screw rod (36) so as to rotatably fix the base (33) to the mirror support sliding sleeve (31); the L-shaped portion (34) comprises a flat plate portion (341) and a vertical portion (342); the base hole (331) penetrating the flat plate portion (341); the flat plate portion (341) is provided with a flat plate hole (343); The axis of the plate hole (343) is perpendicular to the axis of the base hole (331) and is arranged in a staggered manner. A clamping plate screw hole (351) is provided on the clamping plate (35), and the clamping plate screw hole (351) is opposite to the plate hole (343). The L-shaped portion (34) is connected and fixed to the clamping plate screw hole (351) after passing through the plate hole (343) through the second fixing screw (37). The second fixing screw (37) can move in the plate hole (343) so that the distance between the clamping plate (35) and the vertical portion (342) can be adjusted. A second spring (38) is sleeved on the second fixing screw (37) so that after the clamping plate (35) is pulled apart, the clamping plate (35) and the vertical portion (342) are clamped under the influence of the tension of the second spring (38).

2. The laparoscope support device according to claim 1, characterized in that: A third spring (39) is sleeved on the first fixing screw rod (36) so that the mirror support sliding sleeve (31) and the mirror support clamp (32) can be closely attached to each other.

3. The laparoscopic support device according to claim 2, characterized in that: Two flat plate holes (343) are provided, and are symmetrically arranged on the flat plate portion (341).

4. The laparoscope support device according to claim 1, characterized in that: The fixing clamp (44) is N-shaped with its opening facing downwards. One side wall of the fixing clamp (44) is connected and fixed to the fixing outer sleeve rod (41). An adjusting screw hole (441) is provided on the other side wall of the fixing clamp (44), and a fixing screw (8) is provided in the adjusting screw hole (441).

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