Spine dilator for surgical treatment of spinal malformation

Abstract

The utility model provides a spine distractor for surgical treatment of spinal deformity, which relates to the technical field of medical instruments and comprises supporting mechanisms, two supporting mechanisms are symmetrically arranged as a group, distracting plates are fixedly arranged on the supporting mechanisms, fixing plates are arranged on the supporting mechanisms in a sliding manner, and adjusting rods penetrate through the supporting mechanisms in a threaded manner and are in contact with the fixing plates. The spine distraction device solves the problems that when an existing spine distraction device is used for conducting spine distraction in the operation process, a doctor is prone to being shielded, the operation space of the doctor is reduced, the difficulty of the operation is increased, and the risk of the operation is improved. Through the design of different forms of the supporting mechanism, the distraction part is not shielded during distraction, so that the operation space of a doctor is enlarged, and the success rate of an operation is better improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a spinal dilator for surgical treatment of spinal deformity. Background Art

[0002] Due to incorrect sitting posture for a long time, the human spine often becomes deformed and bent. In order to correct the deformed and bent spine, medical staff usually use a spinal expander to expand the patient's skin, and then fix and straighten the spine to provide the doctor with a larger space and field of view for the operation.

[0003] However, with regard to current spinal dilators, during spinal dilator surgery, since the operating parts are all above the dilator, the dilator is likely to block the doctor after the dilator operation, making it inconvenient for the doctor to operate during the operation, thereby reducing the doctor's operating space, further increasing the difficulty of the operation and increasing the risk of the operation. Utility Model Content

[0004] The utility model aims to provide a spinal dilator for spinal deformity surgery, which solves the problem that the existing spinal dilator easily blocks the doctor during the operation, reduces the doctor's operating space, increases the difficulty of the operation, and increases the risk of the operation.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A spinal dilator for spinal deformity surgical treatment, comprising:

[0007] The supporting mechanisms are symmetrically arranged in groups of two;

[0008] A support plate is fixedly arranged on the support mechanism;

[0009] A fixed plate, slidably disposed on the supporting mechanism;

[0010] The adjusting rod has a thread that penetrates through the supporting mechanism and contacts the fixing plate.

[0011] According to the spinal expander for surgical treatment of spinal deformity provided by the utility model: the support mechanism includes a front support plate, a middle support plate and a rear support plate, the middle support plate is horizontally arranged from left to right, the front support plate is vertically arranged at one end of the middle support plate, and the front support plate and the middle support plate are on the same horizontal plane, the rear support plate is vertically connected to the end of the middle support plate away from the front support plate in the vertical direction, and the front support plate, the middle support plate and the rear support plate are integrally formed.

[0012] According to the spinal stretcher for surgical treatment of spinal deformity provided by the utility model: the stretch plate is fixedly connected to the end of the front support plate away from the middle support plate, the width of the stretch plate is 1 / 2 of the length of the front support plate, and the end of the stretch plate away from the front support plate is inclined with an arc.

[0013] According to the spinal dilator for surgical treatment of spinal deformity provided by the utility model: a sliding groove is provided at one end of the fixing plate close to the supporting mechanism, the supporting mechanism is slidably embedded in the sliding groove, a moving groove is provided at one end of the supporting mechanism close to the sliding groove, a moving block is fixedly provided on the inner wall of the sliding groove corresponding to the moving groove, and the moving block is slidably embedded in the moving groove.

[0014] According to the spinal dilator for spinal deformity surgical treatment provided by the utility model: a clamping groove is provided at one end of the fixing plate away from the supporting mechanism, and an elastic extrusion plate is correspondingly provided on the inner wall of the clamping groove, and the elastic extrusion plate is an arc-shaped plate.

[0015] According to the spinal dilator for surgical treatment of spinal deformity provided by the utility model: the rear support plate is provided with a thread groove at one end away from the middle support plate, the adjustment rod is inserted into the thread groove, and the surface of the adjustment rod is provided with a thread strip corresponding to the thread groove.

[0016] In summary, the beneficial technical effects of the utility model are:

[0017] The support mechanism is utilized and configured as a front support plate, a middle support plate and a rear support plate, and then the connection positions of the components are determined, so that there is no obstruction directly above the spine when the spine is stretched during surgery, thereby reducing obstruction to the doctor, increasing the doctor's operating space, and thus improving the success rate during the operation. Secondly, the fixed plate and the adjusting rod are configured to adjust the support mechanism, so that the stretching position can be slowly increased, so that excessive strain will not occur.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0021] Figure 2 This is a plan view of the main structure of the embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the overall top view of the structure of the embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the overall combination of the embodiment of the utility model;

[0024] Figure 5 It is a plan view of the overall combined main structure of an embodiment of the utility model.

[0025] Reference numerals:

[0026] 10. Rear support plate; 11. Middle support plate; 12. Front support plate;

[0027] 101. thread groove; 102. adjustment rod;

[0028] 110. Mobile slot;

[0029] 2. Fixed plate; 20. Sliding slot; 21. Moving block; 22. Snap-in slot; 23. Elastic extrusion plate;

[0030] 3. Open the board. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Combine the following Figure 1-Figure 5 The embodiment shown describes the technical solution of the utility model:

[0033] A spinal dilator for spinal deformity surgical treatment includes: a support mechanism, two of which are symmetrically arranged in a group, a dilating plate 3 fixedly arranged on the support mechanism, a fixing plate 2 slidably arranged on the support mechanism, and an adjusting rod 102 threadedly penetrates the support mechanism and contacts the fixing plate 2.

[0034] It can be understood that: the support mechanisms are symmetrically arranged in groups of two when in use, so as to be arranged on both sides of the patient's back, and at the same time, a distraction plate 3 is arranged on the support mechanism, and the patient's spine is distracted by the cooperation of the distraction plate 3 and the support mechanism, so as to facilitate subsequent work, and the fixing plate 2 is slidably arranged on the support mechanism, and the adjusting rod 102 is threaded through the support mechanism, so as to facilitate adjustment by the cooperation of the fixing plate 2 and the support mechanism.

[0035] The spinal dilator for surgical treatment of spinal deformity provided by the embodiment of the utility model has a supporting mechanism, and the supporting mechanism is configured as a front supporting plate 12, a middle supporting plate 11 and a rear supporting plate 10, and then the connection positions of the various components are determined, so that there is no obstruction directly above the spine when the spine is dilated during surgery, thereby reducing the obstruction to the doctor, increasing the doctor's operating space, and thus improving the success rate during the operation. Secondly, the fixed plate 2 and the adjusting rod 102 are arranged to adjust the supporting mechanism, so that the dilation position can be slowly increased, so that excessive strain will not occur.

[0036] According to the spinal expander for surgical treatment of spinal deformity provided by the embodiment of the utility model, the supporting mechanism includes a front support plate 12, a middle support plate 11 and a rear support plate 10, the middle support plate 11 is horizontally arranged from left to right, the front support plate 12 is vertically arranged at one end of the middle support plate 11, and the front support plate 12 and the middle support plate 11 are on the same horizontal plane, the rear support plate 10 is vertically connected to the end of the middle support plate 11 away from the front support plate 12 in the vertical direction, and the front support plate 12, the middle support plate 11 and the rear support plate 10 are integrally formed.

[0037] Figure 1 and Figure 3 A spinal expander for surgical treatment of spinal deformity is implemented in the present invention. The support mechanism is formed by a front support plate 12, a middle support plate 11 and a rear support plate 10. At the same time, the middle support plate 11 is horizontally arranged from left to right, and the front support plate 12 is vertically arranged at one end of the middle support plate 11. The front support plate 12 and the middle support plate 11 are arranged on the same horizontal plane. Secondly, the rear support plate 10 is vertically arranged with the end of the middle support plate 11 away from the front support plate 12 in the vertical direction. At the same time, the front support plate 12, the middle support plate and the rear support plate are integrally formed, so that the support mechanism is combined to form a specific shape.

[0038] The spinal dilator for surgical treatment of spinal deformity provided by the embodiment of the utility model has various components in the support mechanism arranged and placed in fixed positions, so that the support mechanism can be placed in a more reasonable position during operation, so that the doctor's operation will not be blocked during surgery, thereby better increasing the doctor's operating space during surgery. By setting the support mechanism to a special shape, the dilating plate 3 can be better offset and separated so that they cannot be in the same straight line, so that the doctor will not be disturbed during dilating.

[0039] According to the spinal stretcher for surgical treatment of spinal deformity provided by the embodiment of the utility model, the stretch plate 3 is fixedly connected to the end of the front support plate 12 away from the middle support plate 11, the width of the stretch plate 3 is 1 / 2 of the length of the front support plate 12, and the end of the stretch plate 3 away from the front support plate 12 is inclined with an arc.

[0040] Figure 3 and Figure 4 A spinal expander for surgical treatment of spinal deformity is implemented, in which the expander plate 3 is fixedly connected to the end of the front support plate 12 away from the middle support plate 11, and the width of the expander plate 3 is set to 1 / 2 of the length of the front support plate 12. The end of the expander plate 3 away from the front support plate 12 is set to be inclined with an arc, and the length of the expander plate 3 can be selected according to different patients so that it is suitable for any population.

[0041] The spinal stretcher for spinal deformity surgery provided by the embodiment of the utility model can more conveniently stretch the patient's spine during work through the provision of the stretching plate 3, and at the same time will not interfere with the doctor's line of sight during the stretching process, and can better provide the doctor with a larger operating space, so that the stretching will not cause interference to medical staff, thereby better facilitating the work of medical staff and better improving the success rate of the operation.

[0042] According to the spinal expander for surgical treatment of spinal deformity provided by the embodiment of the utility model, a sliding groove 20 is provided at one end of the fixing plate 2 close to the supporting mechanism, and the supporting mechanism is slidably embedded in the sliding groove 20. A moving groove 110 is provided at one end of the supporting mechanism close to the sliding groove 20, and a moving block 21 is fixedly provided on the inner wall of the sliding groove 20 corresponding to the moving groove 110, and the moving block 21 is slidably embedded in the moving groove 110.

[0043] Figure 1 and Figure 3A spinal expander for surgical treatment of spinal deformity is implemented. A sliding groove 20 is opened at one end of a fixing plate 2 close to a supporting mechanism, and the supporting mechanism is slidably embedded in the sliding groove 20. A moving groove 110 is arranged at one end of the supporting mechanism close to the sliding groove 20. A moving block 21 is fixedly arranged on the inner wall of the sliding groove 20 corresponding to the moving groove 110, and the moving block 21 is slidably embedded in the moving groove 110, so that the moving block 21 can move better in the moving groove 110.

[0044] The spinal dilator for surgical treatment of spinal deformity provided by the embodiment of the utility model can better place the supporting mechanism in the sliding groove 20 through the provided sliding groove 20, and at the same time, a moving groove 110 is provided at one end of the supporting mechanism close to the sliding groove 20, and then the embedded moving block 21 is moved in the moving groove 110, thereby better limiting the moving range of the fixing plate 2 on the supporting mechanism, and at the same time, the fixing plate 2 will not move too much during adjustment, thereby better limiting the expansion range.

[0045] According to the spinal dilator for spinal deformity surgical treatment provided by the embodiment of the utility model, a clamping groove 22 is provided at one end of the fixing plate 2 away from the supporting mechanism, and an elastic extrusion plate 23 is correspondingly provided on the inner wall of the clamping groove 22, and the elastic extrusion plate 23 is an arc-shaped plate.

[0046] Figure 2 and Figure 3 A spinal dilator for surgical treatment of spinal deformity is implemented in the present invention. A snap-in groove 22 is arranged at one end of the fixing plate 2 away from the supporting mechanism. At the same time, an elastic extrusion plate 23 is arranged correspondingly on the inner wall of the snap-in groove 22. The elastic extrusion plate 23 is an arc-shaped plate structure, and the elastic extrusion plate 23 is preferably a metal spring.

[0047] The spinal dilator for surgical treatment of spinal deformity provided by the embodiment of the utility model can better fix the fixing plate 2 to the edge of the operating table through the provided clamping groove 22, thereby fixing the entire device so that the device will not move during use. Secondly, through the provided elastic squeezing plate 23, when the fixing plate 2 is fixed to the edge of the operating table, the elastic squeezing plate 23 better improves the tightness between the fixing plate 2 and the operating table, thereby making the fixing plate 2 and the supporting mechanism more stable during use, thereby better improving the safety of the operation.

[0048] According to the spinal dilator for surgical treatment of spinal deformity provided by the embodiment of the utility model, the rear support plate 10 is provided with a thread groove 101 at the end away from the middle support plate 11, the adjustment rod 102 is inserted into the thread groove 101, and the surface of the adjustment rod 102 is provided with a thread strip corresponding to the thread groove 101.

[0049] Figure 2 and Figure 5 A spinal dilator for surgical treatment of spinal deformity was implemented, wherein a thread groove 101 is penetrated at one end of the rear support plate 10 away from the middle support plate 11, and an adjusting rod 102 is threadedly penetrated in the thread groove 101, and a thread strip is provided on the surface of the adjusting rod 102 corresponding to the thread groove 101, and one end of the fixing plate 2 is supported and contacted by the adjusting rod 102.

[0050] The spinal dilator for surgical treatment of spinal deformity provided by the embodiment of the utility model can make the adjustment rod 102 more convenient during the adjustment process by means of the provided threaded groove 101. Secondly, during the adjustment process, one end of the adjustment rod 102 is in contact with the bottom of the fixing plate 2, thereby further strengthening the connection between the fixing plate 2 and the operating table during adjustment. By threading the adjustment rod 102 and the threaded groove 101, it is more stable during and after adjustment, and will not loosen or shake, thereby making the operation safer.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A spinal dilator for spinal deformity surgery, characterized in that: include: The supporting mechanisms are symmetrically arranged in groups of two; A support plate (3) fixedly arranged on the support mechanism (1); A fixed plate (2) slidably arranged on the supporting mechanism (1); The adjusting rod (102) is threadedly passed through the support mechanism and contacts the fixed plate (2); the support mechanism comprises a front support plate (12), a middle support plate (11) and a rear support plate (10); the middle support plate (11) is horizontally arranged from left to right; the front support plate (12) is vertically arranged at one end of the middle support plate (11); the front support plate (12) and the middle support plate (11) are on the same horizontal plane; the rear support plate (10) is vertically connected to one end of the middle support plate (11) away from the front support plate (12) in the vertical direction; the front support plate (12), the middle support plate (11) and the rear support plate (10) are integrally formed.

2. A spinal dilator for spinal deformity surgical treatment according to claim 1, characterized in that: The support plate (3) is fixedly connected to one end of the front support plate (12) away from the middle support plate (11); the width of the support plate (3) is 1 / 2 of the length of the front support plate (12); and the end of the support plate (3) away from the front support plate (12) is inclined and has an arc.

3. A spinal dilator for spinal deformity surgical treatment according to claim 1, characterized in that: A sliding groove (20) is provided at one end of the fixed plate (2) close to the supporting mechanism, the supporting mechanism is slidably embedded in the sliding groove (20), a moving groove (110) is provided at one end of the supporting mechanism close to the sliding groove (20), a moving block (21) is fixedly provided on the inner wall of the sliding groove (20) corresponding to the moving groove (110), and the moving block (21) is slidably embedded in the moving groove (110).

4. A spinal dilator for spinal deformity surgical treatment according to claim 1, characterized in that: An end of the fixing plate (2) away from the supporting mechanism is provided with a clamping groove (22), and an elastic extrusion plate (23) is correspondingly provided on the inner wall of the clamping groove (22), and the elastic extrusion plate (23) is an arc-shaped plate.

5. A spinal dilator for spinal deformity surgical treatment according to claim 1, characterized in that: The rear support plate (10) is provided with a thread groove (101) at one end away from the middle support plate (11), the adjustment rod (102) is inserted into the thread groove (101), and a thread strip is provided on the surface of the adjustment rod (102) corresponding to the thread groove (101).

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