A retractor for orthopedic spine surgery

Abstract

The present invention discloses an orthopedic spine surgery retractor, which has a novel and reasonable structure and includes a bracket, a retractor assembly and an inflation assembly. The retractor position can be relatively fixed by a holder and a retractor position adjustment assembly, without much manpower for holding, and the adjustment is flexible and adaptable to incisions in various directions. At the same time, the surgeon can actively adjust the degree of traction of the incision tissue by stepping on a pedal-type inflation disk based on the progress of the operation. The greater the degree of stepping, the greater the inflation amplitude and the greater the amplitude of the retractor position change. On the contrary, the smaller the degree of stepping, the smaller the amplitude of the retractor position change. The operation is convenient and the adjustment accuracy is high. Due to the setting of the one-way valve, the air pressure in the airbag can be kept stable, so that the retractor has a more lasting traction force.

Description

Technical Field

[0001] The invention belongs to the field of medical instruments and relates to an orthopedic instrument, in particular to an orthopedic spine surgery retractor. Background Art

[0002] There are well-developed erector spinae muscles and ligaments on both sides of the spine. The erector spinae muscles and ligaments will interfere with the vision of doctors and assistants during spinal surgery. Surgical retractors are often needed to pull the muscle groups apart. This not only protects soft tissues such as muscles and skin, but also allows for a good field of vision.

[0003] At present, the surgical retractor used in clinical orthopedic spine surgery is mainly composed of a hook body and a handle. Generally, the incision of orthopedic spine surgery is large. In order to expose a good surgical field, it is necessary to pull the elastic tissues such as muscles and ligaments, and multiple surgical hooks are required to pull these muscle tissues, which results in more manpower required to hold the handle of the structure during the operation, which not only reduces the work efficiency of medical staff, but also makes it difficult to adjust during the operation. Therefore, it is necessary to provide a new type of orthopedic spine surgery retractor to overcome the above problems existing in the current surgical retractor. Summary of the invention

[0004] The purpose of the present invention is to provide an orthopedic spine surgery retractor, which has a novel and reasonable structure, does not require much manpower to hold, and is flexible to adjust, and can effectively solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] The present invention provides an orthopedic spine surgery retractor, comprising:

[0007] A bracket, the bracket comprising a holder, a vertical support rod and a horizontal support rod, the holder is used to be fixed on the operating table, the bottom end of the vertical support rod is fixed on the holder, and the horizontal support rod is vertically installed on the vertical support rod;

[0008] A hook assembly, the hook assembly comprising a vertical support plate and a hook, the vertical support plate is vertically mounted on the horizontal support rod, the top end of the hook is mounted on the horizontal support rod through a sliding sleeve, and the hook is hinged to the sliding sleeve, and the vertical support plate and the hook are connected through an air bag;

[0009] An inflation component, the inflation component includes a foot-operated inflation plate, the foot-operated inflation plate is used to be placed on the ground, and is connected to the airbag via an inflation hose; a one-way valve is provided on the inflation hose, and by stepping on the foot-operated inflation plate, air can be inflated into the airbag via the one-way valve to adjust the distance between the pull hook and the vertical support plate.

[0010] Optionally, the socket is a "U"-shaped socket with its opening facing one side, including an upper side plate and a lower side plate; a fixing bolt is threadedly connected to the lower side plate, the top of the fixing bolt passes through the lower side plate and extends between the upper side plate and the lower side plate, and a knob is provided at the bottom of the fixing bolt; a friction pad is provided on the lower surface of the upper side plate and the top of the fixing bolt.

[0011] Optionally, a plurality of adjustment holes are provided at intervals on the top of the vertical support rod along the length extension direction thereof, and the end of the horizontal support rod can be fixedly connected to any one of the adjustment holes by a fixing bolt.

[0012] Optionally, a hook position adjustment component is also included; the hook position adjustment component includes:

[0013] A first adjustment plate, wherein the first adjustment plate is fixedly sleeved on the horizontal support rod;

[0014] A second adjustment plate, the second adjustment plate is slidably sleeved on the horizontal support rod, and a limit spring is connected between the second adjustment plate and the first adjustment plate, and the limit spring is sleeved on the horizontal support rod; the vertical support plate is fixedly connected to the bottom of the second adjustment plate;

[0015] The sliding sleeve is slidingly mounted on the horizontal support rod, the sliding sleeve is located on a side of the second adjustment plate away from the first adjustment plate, and one end of the sliding sleeve abuts against the second adjustment plate;

[0016] The adjusting sleeve is threadedly connected to one end of the horizontal support rod away from the vertical support rod, and a third adjusting plate is fixedly provided on one end of the adjusting sleeve close to the vertical support rod for abutting against the other end of the sliding sleeve.

[0017] Optionally, an adjustment bracelet is provided on the sliding sleeve.

[0018] Optionally, a lighting lamp is provided at the bottom end of the vertical support plate, and the lighting lamp is located between the vertical support plate and the hook.

[0019] Optionally, the hook includes a hook handle and a hook plate, and the hook plate is arranged at the bottom end of the hook handle and is arranged at an angle to the hook handle.

[0020] Optionally, a pull plate cavity is defined inside the hook plate, a side of the hook plate away from the vertical support plate is covered with a silicone pad, and a hollow hole connected to the pull plate cavity is defined at the bottom of a side of the hook plate close to the vertical support plate; a handle cavity connected to the pull plate cavity is defined inside the hook handle, and a suction pump is connected to the handle cavity to suck out blood or tissue waste fluid at the incision.

[0021] Optionally, three hooks are arranged at intervals.

[0022] Optionally, an airbag is connected between any one of the hooks and the vertical support plate; any one of the airbags is connected to a pedal-type inflation disc via an inflation hose; and any one of the inflation hoses is provided with a one-way valve.

[0023] Optionally, any one of the airbags is provided with an exhaust valve.

[0024] Optionally, any one of the airbags is provided with a pressure sensor.

[0025] Optionally, a control system is further included, wherein the control system is in communication with the exhaust valve, the one-way valve and the pressure sensor. The control system is equipped with an alarm system.

[0026] Compared with the prior art, the present invention has achieved the following technical effects:

[0027] The orthopedic spine surgery retractor proposed by the present invention has a novel and reasonable structure. It can achieve relative fixation of the retractor position through the clamping seat and the retractor position adjustment component, does not require much manpower to hold, and is flexible to adjust and adapt to incisions in various directions. At the same time, the surgeon can actively adjust the degree of traction of the incision tissue by stepping on the foot-operated inflatable disc based on the progress of the operation. It is easy to operate, highly flexible, and has high adjustment accuracy and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 A schematic diagram of a non-use state of an orthopedic spine surgery retractor disclosed in an embodiment of the present invention;

[0030] Figure 2 This is a schematic diagram of the use status of the orthopedic spine surgery retractor disclosed in the embodiment of the present invention;

[0031] Figure 3 It is a schematic diagram of the installation of multiple hooks disclosed in an embodiment of the present invention;

[0032] Figure 4 It is a schematic diagram of the structure of the draw hook disclosed in the embodiment of the present invention;

[0033] Among them, the accompanying drawings are marked as: 1. orthopedic spinal surgery retractor; 2. bracket; 21. holder; 211. upper side plate; 212. lower side plate; 213. fixing bolt; 214. knob; 215. friction pad; 22. vertical support rod; 23. horizontal support rod; 3. vertical support plate; 4. retractor; 41. retractor handle; 42 hook plate; 43. silicone cushion; 44. hollow hole; 5. airbag; 6. foot-operated inflatable disc; 7. inflatable hose; 8. one-way valve; 9. first adjusting plate; 10. second adjusting plate; 11. limit spring; 12. sliding sleeve; 13. adjusting sleeve; 14. adjusting bracelet; 15. lighting lamp. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] One of the purposes of the present invention is to provide an orthopedic spine surgery retractor, which has a novel and reasonable structure, does not require much manpower to hold, and is flexible to adjust, and can effectively solve the problems existing in the prior art.

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0037] Embodiment 1

[0038] like Figure 1-Figure 4As shown, this embodiment provides an orthopedic spinal surgery hook 1, which mainly includes a bracket 2, a hook assembly and an inflatable assembly. The bracket 2 includes a holder 21, a vertical support rod 22 and a horizontal support rod 23. The holder 21 is used to be fixed on the operating table, specifically located on the side of the waist of a patient who needs spinal surgery. The vertical support rod 22 is arranged perpendicular to the operating table (tabletop), and its bottom end is fixed on the holder 21. The horizontal support rod 23 is vertically installed on the vertical support rod 22; the hook assembly includes a vertical support plate 3 and a hook 4. The vertical support plate 3 is vertically installed on the horizontal support rod 23. The top of the hook 4 is installed on the horizontal support rod 23 through a sliding sleeve 12, and the hook 4 is hinged to the sliding sleeve 12. The vertical support plate 3 and the hook 4 are connected by an airbag 5; the inflatable assembly includes a foot-operated inflatable plate 6. The foot-operated inflatable plate 6 is used to be placed on the ground below the operating table, generally in a position that the surgeon can touch with his feet. The over-inflation hose 7 is connected to the airbag 5; a one-way valve 8 is provided on the inflation hose 7, which only allows air to be inflated into the airbag 5, but does not allow the gas in the airbag 5 to leak out. By stepping on the foot-operated inflation disk 6, air can be inflated into the airbag 5 through the one-way valve 8, so that the airbag 5 gradually expands, and the retractor 4 gradually deviates away from the vertical support plate 3. During this process, the bottom of the retractor 4 (i.e., the hook plate 42 described below) pulls the skin tissue on one side of the spinal incision to expose a good surgical field of view. Generally, during the operation, as the number of times the doctor steps on the foot-operated inflation disk 6 increases, the airbag 5 gradually expands, so that the distance between the adjustment retractor 4 and the vertical support plate 3 gradually increases, that is, the degree of traction of the incision tissue by the retractor 4 becomes greater and greater.

[0039] In this embodiment, the holder 21 is a "U"-shaped holder 21, whose opening is set to one side, and in this embodiment, its opening is preferably set to the right side, including an upper side plate 211 and a lower side plate 212; a fixing bolt 213 is threadedly connected to the lower side plate 212, and the top of the fixing bolt 213 passes through the lower side plate 212 and extends between the upper side plate 211 and the lower side plate 212, and a knob 214 is set at the bottom of the fixing bolt 213; a friction pad 215 is set on the lower surface of the upper side plate 211 and the top of the fixing bolt 213. The friction pad 215 on the lower surface of the upper side plate 211 and the friction pad 215 on the fixing bolt 213 are respectively located above or below the operating table. By screwing the fixing bolt 213 in the direction close to the upper side plate 211, the friction pad 215 on the lower surface of the upper side plate 211 and the friction pad 215 on the fixing bolt 213 can be brought close to each other, and then the operating table is clamped between the two friction pads 215 to fix the position of the orthopedic spine surgery retractor 1 on the operating table. The fixing bolt 213 can be loosened at any time to adjust the position of the orthopedic spine surgery retractor 1 on the operating table, and then tightened again to fix it. The above-mentioned friction pad 215 is an existing common friction pad, such as a silicone pad.

[0040] In this embodiment, a plurality of adjustment holes are arranged at intervals along the length extension direction of the top of the vertical support rod 22, and the end of the horizontal support rod 23 can be fixedly connected to any adjustment hole by a fixing bolt to adjust the position of the horizontal support rod 23 in the height direction.

[0041] In this embodiment, a hook position adjustment component is also included; the hook position adjustment component mainly includes a first adjustment plate 9, a second adjustment plate 10, a sliding sleeve 12 and an adjustment sleeve 13, such as Figure 1 and Figure 2 As shown, the first adjustment plate 9 is fixedly sleeved on the transverse support rod 23, the second adjustment plate 10 is slidably sleeved on the transverse support rod 23, and a limit spring 11 is connected between the second adjustment plate 10 and the first adjustment plate 9, and the limit spring 11 is sleeved on the transverse support rod 23; the vertical support plate 3 is fixedly connected to the bottom of the second adjustment plate 10; the sliding sleeve 12 is slidably sleeved on the transverse support rod 23, the sliding sleeve 12 is located on the side of the second adjustment plate 10 away from the first adjustment plate 9, and one end of the sliding sleeve 12 is always against the right side of the second adjustment plate 10; the adjusting sleeve 13 is threadedly connected to the end of the transverse support rod 23 away from the vertical support rod 22 (the end is provided with an external thread), and the end of the adjusting sleeve 13 close to the vertical support rod 22 is fixedly provided with a third adjustment plate for maintaining abutment with the other end of the sliding sleeve 12. In actual operation, the limit spring 11 remains in a compressed state, that is, it always has a tendency to push the second adjustment plate 10 to the right. Under the counter-pressure of the adjustment sleeve 13, the second adjustment plate 10 and the sliding sleeve 12 are statically clamped between the limit spring 11 and the third adjustment plate of the adjustment sleeve 13. By tightening or loosening the adjustment sleeve 13, the position of the second adjustment plate 10 and the sliding sleeve 12 along the extension direction of the horizontal support rod 23 can be adjusted to adapt to the use of patients in different body positions. Generally, after the position of the holder 21 of the orthopedic spine surgery retractor 1 is determined, the height position (along the extension direction of the vertical support rod 22) and the horizontal position (along the extension direction of the horizontal support rod 23) of the second adjustment plate 10 and the sliding sleeve 12 are comprehensively adjusted to make the second adjustment plate 10 and the sliding sleeve 12 located directly above the patient's spinal incision, and the bottom of the retractor 4 (that is, the hook plate 42 described below) extends into the incision to achieve preliminary peeling of the spine and the incision tissue. Finally, by adjusting the inflation degree of the airbag 5, the incision tissue can be pulled to different opening degrees, thereby achieving the effect of adjusting the surgical field of view.

[0042] In this embodiment, an adjusting bracelet 14 is provided on the sliding sleeve 12, which can be held by a person's hand when the adjusting sleeve 13 rotates, so as to prevent the sliding sleeve 12 from rotating in situ and ensure that the sliding sleeve 12 only moves along the extension direction of the horizontal support rod 23.

[0043] In this embodiment, a lighting lamp 15 is provided at the bottom end of the vertical support plate 3, and the lighting lamp 15 is located between the vertical support plate 3 and the retractor 4. The lighting lamp 15 adopts a common surgical lamp, which is used to illuminate the surgical field after the incision tissue is retracted, so as to facilitate the smooth progress of the operation. The lighting lamp 15 can be powered by a power supply, or a battery can be provided for power supply.

[0044] In this embodiment, the hook 4 includes a hook handle 41 and a hook plate 42, wherein the hook plate 42 is disposed at the bottom end of the hook handle 41 and arranged at an angle with the hook handle 41. In the traction state, the hook plate 42 remains vertical or nearly vertical, and the hook handle 41 is arranged relatively tilted.

[0045] In this embodiment, a pull plate cavity is provided inside the hook plate 42, and a side of the hook plate 42 away from the vertical support plate 3 is paved with a silicone pad 43, which is used to make the body tissue at the incision adhere, so that the hook plate 42 will not be separated from the body tissue during the opening and closing adjustment process of the retractor 4, so as to avoid the hook plate 42 being inserted into the incision for the second time to cause secondary pain. At the same time, the silicone pad 43 can prevent the incision body tissue from being damaged by the retractor 4. A hollow hole 44 connected to the pull plate cavity is provided at the bottom of the side of the hook plate 42 close to the vertical support plate 3, and a handle cavity connected to the pull plate cavity is provided inside the retractor handle 41. A suction pump (not shown in the figure) is connected to the handle cavity to suck out the blood or tissue waste liquid at the incision to avoid it interfering with the surgical field of view. The above-mentioned suction pump can be connected to the handle cavity through a hose, and the liquid outlet of the suction pump is connected to a liquid outlet box to collect the sucked waste liquid. As a preferred embodiment, the suction pump is a micro pump, and its start switch can be set at a position that the surgeon's feet can reach, so that the surgeon can start the suction pump in time to discharge the waste liquid according to his or her surgical experience.

[0046] In this embodiment, three retractors 4 are preferably arranged at intervals. An airbag 5 is connected between any retractor 4 and the vertical support plate 3; any airbag 5 is connected to a pedal-type inflatable disk 6 through an inflatable hose 7; and a one-way valve 8 is provided on any inflatable hose 7. The three retractors 4 are arranged at intervals along the length direction of the incision to evenly pull the tissue on one side of the incision. By stepping on different pedal-type inflatable disks 6, the inclination angle of any retractor 4 can be adjusted separately to meet the traction requirements of body tissues at different positions of the incision.

[0047] In this embodiment, any airbag 5 is provided with an exhaust valve for exhausting the gas in the airbag 5 after surgery so that the retractor 4 returns to its original position relative to the vertical support plate 3 .

[0048] In this embodiment, a pressure sensor is disposed on any airbag 5 to prevent the airbag 5 from bursting due to excessive pressure inside the airbag.

[0049] In this embodiment, a control system is also included, which is in communication with the pressure sensor. The control system is also equipped with an alarm system, which is used to generate an alarm when the pressure sensor detects that the air pressure in the airbag 5 exceeds a threshold value, thereby preventing further inflation into the airbag 5. The exhaust valve, the one-way valve 8 and the suction pump are preferably opened manually to adapt to the progress of the operation.

[0050] In this embodiment, the aforementioned pedal-type inflation disc 6 preferably adopts a pedal-type balloon pump, which is an existing inflation structure and will not be described in detail here.

[0051] It can be seen that the orthopedic spine surgery retractor proposed in this technical solution has a novel and reasonable structure. It can achieve relative fixation of the retractor position through the clamping seat and the retractor position adjustment component, without much manpower control, and is flexible to adjust and adapt to incisions in various directions. At the same time, the surgeon can actively adjust the degree of traction of the incision tissue by stepping on the foot-operated inflation disc based on the progress of the operation. The greater the degree of stepping, the greater the inflation amplitude and the greater the amplitude of the retractor position change. On the contrary, the smaller the degree of stepping, the smaller the amplitude of the retractor position change. It is easy to operate and has high adjustment accuracy. Due to the setting of the one-way valve, the air pressure in the airbag can be kept stable, so that the retractor has a more lasting traction force.

[0052] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0053] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An orthopedic spine surgery retractor, characterized in that: include: A bracket, the bracket comprising a holder, a vertical support rod and a horizontal support rod, the holder is used to be fixed on the operating table, the bottom end of the vertical support rod is fixed on the holder, and the horizontal support rod is vertically installed on the vertical support rod; A hook assembly, the hook assembly comprising a vertical support plate and a hook, the vertical support plate being vertically mounted on the horizontal support rod, the top end of the hook being mounted on the horizontal support rod through a sliding sleeve, the hook being hinged to the sliding sleeve, and the vertical support plate and the hook being connected through an airbag; the hook comprises a hook handle and a hook-pull plate, the hook-pull plate being arranged at the bottom end of the hook handle and being arranged at an angle to the hook handle; a pull-plate cavity is provided inside the hook-pull plate, a side of the hook-pull plate away from the vertical support plate is provided with a silicone cushion, and a hollow hole communicating with the pull-plate cavity is provided at the bottom of a side of the hook-pull plate close to the vertical support plate; a handle cavity communicating with the pull-plate cavity is provided inside the hook handle, and a suction pump is connected to the handle cavity to suck out blood or tissue waste liquid at the incision; An inflatable component, the inflatable component comprising a pedal-type inflatable plate, the pedal-type inflatable plate is used to be placed on the ground and is connected to the airbag through an inflatable hose; a one-way valve is provided on the inflatable hose, and the pedal-type inflatable plate can be stepped on to inflate the airbag through the one-way valve to adjust the distance between the draw hook and the vertical support plate; 1. A hook position adjustment assembly, the hook position adjustment assembly comprises a first adjustment plate, a second adjustment plate, the sliding sleeve and an adjustment sleeve, the first adjustment plate is fixedly mounted on the transverse support rod, the second adjustment plate is slidably mounted on the transverse support rod, and a limiting spring is connected between the second adjustment plate and the first adjustment plate, and the limiting spring is mounted on the transverse support rod; the vertical support plate is fixedly connected to the bottom of the second adjustment plate, the sliding sleeve is slidably mounted on the transverse support rod, the sliding sleeve is located on the side of the second adjustment plate away from the first adjustment plate, and one end of the sliding sleeve is abutted against the second adjustment plate, the adjusting sleeve is threadedly connected to the end of the transverse support rod away from the vertical support rod, and the end of the adjusting sleeve close to the vertical support rod is fixedly provided with a third adjustment plate for abutting against the other end of the sliding sleeve.

2. The orthopedic spine surgery retractor according to claim 1, characterized in that: The socket is a "U"-shaped socket with its opening facing one side, and includes an upper side plate and a lower side plate; a fixing bolt is threadedly connected to the lower side plate, the top of the fixing bolt passes through the lower side plate and extends between the upper side plate and the lower side plate, and a knob is provided at the bottom of the fixing bolt; a friction pad is provided on the lower surface of the upper side plate and the top of the fixing bolt.

3. The orthopedic spine surgery retractor according to claim 1, characterized in that: The top of the vertical support rod is provided with a plurality of adjustment holes at intervals along the length extension direction thereof, and the end of the horizontal support rod can be fixedly connected to any of the adjustment holes by means of fixing bolts.

4. The orthopedic spine surgery retractor according to claim 1, characterized in that: A lighting lamp is arranged at the bottom end of the vertical support plate, and the lighting lamp is located between the vertical support plate and the draw hook.

5. The orthopedic spine surgery retractor according to claim 1, characterized in that: The draw hooks are arranged in three intervals.

6. The orthopedic spine surgery retractor according to claim 5, characterized in that: An airbag is connected between any one of the pull hooks and the vertical support plate; any one of the airbags is connected to a pedal-type inflatable disc via an inflatable hose; and any one of the inflatable hoses is provided with a one-way valve.

7. The orthopedic spine surgery retractor according to claim 6, characterized in that: Any of the air bags is provided with an exhaust valve.

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