阅读说明：本技术 肩盂腱隧道定位器 (Pelvis tendon tunnel positioner ) 是由 宁仁德 于 2021-09-02 设计创作，主要内容包括：本发明公开了肩盂腱隧道定位器,包括操作筒,所述操作筒的内腔插接设置有定位杆,所述定位杆与操作筒的轴向平行设置,所述操作筒的侧壁固定有握持杆,所述操作筒竖直方向通过滑动槽竖直插接有调距杠,所述调距杠上设置有长度刻度,所述调距杠的底部设置有旋转环,所述旋转环的插接有定位套筒；本发明能够精确定位隧道入口与出口,精确控制隧道与肩胛盂上壁及外侧壁的距离,避免了隧道劈裂、医源性骨折以及内植物固定失效等并发症,安全可靠。(The invention discloses a positioner for a glenoid tendon tunnel, which comprises an operation barrel, wherein a positioning rod is inserted into an inner cavity of the operation barrel and is arranged in parallel with the axial direction of the operation barrel, a holding rod is fixed on the side wall of the operation barrel, a distance adjusting lever is vertically inserted into the operation barrel in the vertical direction through a sliding groove, length scales are arranged on the distance adjusting lever, a rotating ring is arranged at the bottom of the distance adjusting lever, and a positioning sleeve is inserted into the rotating ring; the invention can accurately position the entrance and the exit of the tunnel, accurately control the distance between the tunnel and the upper wall and the outer side wall of the scapular glenoid, avoid complications such as tunnel splitting, iatrogenic fracture, fixing failure of internal implants and the like, and is safe and reliable.)

1. Pelvis tendon tunnel locator, including an operation section of thick bamboo, its characterized in that: the inner cavity of the operation barrel is provided with a positioning rod in an inserting mode, the positioning rod is parallel to the axial direction of the operation barrel, a holding rod is fixed on the side wall of the operation barrel, a distance adjusting lever is vertically inserted in the vertical direction of the operation barrel through a sliding groove, length scales are arranged on the distance adjusting lever, a rotating ring is arranged at the bottom of the distance adjusting lever, and a positioning sleeve is arranged on the rotating ring in an inserting mode.

2. The glenoid tendon tunnel locator of claim 1, wherein: the middle part of the holding rod is rotatably connected with a first limiting screw, a pressure plate is fixed at the bottom of the first limiting screw, and the pressure plate is arranged above the positioning rod.

3. The glenoid tendon tunnel locator of claim 2, wherein: the inner cavity of the operation barrel is provided with a sliding cavity matched with the pressure plate, and the top of the first limiting screw rod is fixed with a control button.

4. The glenoid tendon tunnel locator of claim 1, wherein: an adjusting push disc is fixed at one end of the positioning rod close to the holding rod, and a holding groove is formed in the side face of the holding rod.

5. The glenoid tendon tunnel locator of claim 1, wherein: and one side of the upper end of the distance adjusting bar is provided with a limiting clamping groove, the outer ring of the limiting clamping groove is rotatably connected with a second limiting screw rod, and the second limiting screw rod is in threaded connection with the holding rod.

6. The glenoid tendon tunnel locator of claim 5, wherein: the inner side of the limiting clamping groove is provided with a rubber friction layer, and the limiting clamping groove is of an arc-shaped structure.

7. The glenoid tendon tunnel locator of claim 1, wherein: the locating rod is a metal rod, and the locating sleeve is a hollow metal sleeve.

Technical Field

The invention relates to the technical field of medical instruments, in particular to a glenoid tendon tunnel positioner.

Background

One of the existing orthopedic surgeries is a bone grafting surgery performed on a scapular glenoid part on a scapula of a human body, wherein the scapula of the human body mainly comprises a body part, a scapular neck, the scapular glenoid, a coracoid process and a acromion, and important blood vessels and nerve structures such as brachial plexus nerves, axillary arteries and the like are arranged on the front sides of the scapular glenoid and the scapular neck, so that the scapular glenoid bone grafting surgery does not adopt a drilling mode from the front end as much as possible, a tunnel is manufactured on the scapular glenoid, the position of the tunnel cannot be accurately determined by visual observation at present, the inlet and the outlet of the tunnel cannot be accurately positioned, the distance between the tunnel and the upper wall and the outer wall of the scapular glenoid cannot be accurately controlled, and complications such as tunnel fracture, iatrogenic fracture, internal implant fixation failure and the like are easily caused.

Disclosure of Invention

The invention mainly aims to provide a glenoid tendon tunnel locator which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that: shoulder glenoid tendon tunnel locator, including an operation section of thick bamboo, the inner chamber of an operation section of thick bamboo is pegged graft and is provided with the locating lever, the axial parallel arrangement of locating lever and an operation section of thick bamboo, the lateral wall of an operation section of thick bamboo is fixed with holds the pole, the vertical direction of an operation section of thick bamboo has the roll adjustment thick stick through the vertical grafting of sliding tray, be provided with the length scale on the roll adjustment thick stick, the bottom of roll adjustment thick stick is provided with rotatory ring, the grafting of rotatory ring has location sleeve.

Preferably, the middle part of the holding rod is rotatably connected with a first limiting screw, a pressure plate is fixed at the bottom of the first limiting screw, and the pressure plate is arranged above the positioning rod.

Preferably, the inner cavity of the operation barrel is provided with a sliding cavity matched with the pressure plate, and the top of the first limit screw is fixed with a control button.

Preferably, an adjusting pushing disc is fixed at one end of the positioning rod close to the holding rod, and a holding groove is formed in the side surface of the holding rod.

Preferably, one side of the upper end of the distance adjusting lever is provided with a limiting clamping groove, the outer ring of the limiting clamping groove is rotatably connected with a second limiting screw rod, and the second limiting screw rod is in threaded connection with the holding rod.

Preferably, the inner side of the limiting clamping groove is provided with a rubber friction layer, and the limiting clamping groove is of an arc-shaped structure.

Preferably, the positioning rod is a metal rod, and the positioning sleeve is a hollow metal sleeve.

Compared with the prior art, the invention has the following beneficial effects:

1. this shoulder pelvis tendon tunnel locator, in the operation of shoulder arthroscope, hold the holding rod and operate, and will insert the locating rod head end in the joint through the rear approach, the locating rod hugs closely scapula upper wall bone matter, adjust the range adjustment thick stick, control the distance of locating rod and positioning sleeve, can control the distance of tunnel central line and scapula upper wall, after confirming the tunnel horizontal position, rotate rotatory ring, make the range adjustment thick stick along the perpendicular reverse rotation 90 degrees of positioning sleeve, make the locating rod hug closely scapula lateral wall (cartilage face), adjust the adjusting lever, make the positioning sleeve slide in the horizontal plane inside and outside, confirm tunnel sagittal position, after horizontal position and sagittal position are all confirmed, squeeze into the guide pin by the positioning sleeve, extract the locating rod, bore the tunnel according to measuring tendon diameter, scapula pelvis tunnel preparation finishes.

2. The positioner for the glenoid tendon tunnel can accurately position the entrance and the exit of the tunnel, accurately control the distance between the tunnel and the upper wall and the outer side wall of the glenoid, avoid complications such as tunnel splitting, iatrogenic fracture and fixing failure of internal implants, and is safe and reliable.

Drawings

FIG. 1 is a first general structural diagram of the present invention;

FIG. 2 is a second overall view of the present invention;

FIG. 3 is a schematic view of the construction of the distance adjusting bar and the positioning sleeve of the present invention;

fig. 4 is a cross-sectional view of the cartridge of the present invention.

In the figure: 1. an operation cylinder; 2. a positioning sleeve; 3. a rotating ring; 4. adjusting the distance; 5. a holding rod; 6. a control button; 7. adjusting the push disc; 8. positioning a rod; 9. a limiting clamping groove; 10. a second limiting screw; 11. a first limiting screw rod; 12. a platen; 13. a holding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-4, the positioner for the tunnel of the scapula tendon comprises an operation tube 1, a positioning rod 8 is inserted into an inner cavity of the operation tube 1, the positioning rod 8 is arranged in parallel with the axial direction of the operation tube 1, a holding rod 5 is fixed on a side wall of the operation tube 1, a distance adjusting lever 4 is vertically inserted into the operation tube 1 in the vertical direction through a sliding groove, length scales are arranged on the distance adjusting lever 4, a rotating ring 3 is arranged at the bottom of the distance adjusting lever 4, a positioning sleeve 2 is inserted into the rotating ring 3, in the arthroscopic shoulder surgery, the holding rod is held by hand to operate, the head end of the positioning rod is inserted into a joint through a rear access, the positioning rod is tightly attached to the bone mass of the upper wall of the scapula, the distance between the central line of the tunnel and the upper wall is controlled by adjusting the distance adjusting lever and the positioning sleeve, the distance between the central line of the tunnel and the upper wall of the scapula can be controlled, and the rotating ring is rotated after the horizontal position of the tunnel is confirmed, make the roll adjustment thick stick along the perpendicular reverse rotation 90 degrees of positioning sleeve, make the positioning rod hug closely scapula pelvis lateral wall (cartilage face), adjust the regulation thick stick, make the positioning sleeve slide in the horizontal plane inside and outside, confirm tunnel sagittal position, after level position and sagittal position are all confirmed, squeeze into the guide pin by the positioning sleeve, extract the locating lever, bore according to measuring tendon diameter and get the tunnel, scapula pelvis tunnel preparation finishes.

In this embodiment, the middle part of holding rod 5 is rotated and is connected with a stop screw 11, the bottom of stop screw 11 is fixed with pressure disk 12, pressure disk 12 is located the top setting of locating lever 8, through rotating stop screw one, carries out limit control to the locating lever, is convenient for fix.

In this embodiment, the inner chamber of operation section of thick bamboo 1 seted up with pressure disk 12 assorted slip chamber, the top of a limiting screw 11 is fixed with control button 6, is convenient for operate through rotating the control button, and the pressure disk of bottom pushes down and contacts with the locating lever, carries on spacingly to it.

In this embodiment, the one end that locating lever 8 is close to holding rod 5 is fixed with the regulation and pushes away dish 7, holding groove 13 has been seted up to the side of holding rod 5, is convenient for operate and grips, improves the stability of controlling.

In this embodiment, upper end one side of roll adjustment thick stick 4 is provided with spacing draw-in groove 9, the outer lane of spacing draw-in groove 9 is rotated and is connected with two 10 of stop screw, two 10 of stop screw and 5 threaded connection of holding the pole, remove spacing draw-in groove through rotating two of stop screw, contact with the regulating lever through spacing draw-in groove and carry on spacingly.

In this embodiment, the inner side of the limiting clamping groove 9 is provided with a rubber friction layer, and the limiting clamping groove 9 is of an arc-shaped structure.

In this embodiment, the positioning rod 8 is a metal rod, and the positioning sleeve 2 is a hollow metal sleeve.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.