CN210727847U - Shoulder joint positioning device - Google Patents
Shoulder joint positioning device Download PDFInfo
- Publication number
- CN210727847U CN210727847U CN201920903547.0U CN201920903547U CN210727847U CN 210727847 U CN210727847 U CN 210727847U CN 201920903547 U CN201920903547 U CN 201920903547U CN 210727847 U CN210727847 U CN 210727847U
- Authority
- CN
- China
- Prior art keywords
- section
- positioning device
- segment
- shoulder joint
- kirschner wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a shoulder joint positioner belongs to orthopedic surgery apparatus field, shoulder joint positioner includes the kirschner wire sleeve, the telescopic one end of kirschner wire is provided with the grab handle, and the other end is provided with the auxiliary rod, the auxiliary rod includes first festival section, second festival section and third festival section, wherein: the first section is a connecting section and is connected with the Kirschner wire sleeve; the second section is a scapular pelvis fixing section, rises to a certain height from the first section and is suitable for being buckled on the edge of the scapular pelvis; the third segment is a stabilizing segment extending forward from the second segment and adapted to fit the glenoid plane. The utility model can provide better positioning stability, is simple and rapid to use and accurate in positioning, and can effectively shorten the operation time; and the problem of inaccurate positioning of the scapula glenoid tunnel frequently occurring in the operation can be well solved.
Description
Technical Field
The utility model relates to the field of orthopedic surgery instruments, in particular to a shoulder joint positioning device.
Background
The glenohumeral joint mainly comprises a scapula glenoid and a humeral head, belongs to a ball-and-socket joint, is the joint with the largest and most flexible upper limb, belongs to a part of a shoulder joint, and integrally comprises a clavicle, a scapula, a humerus and muscles, tendons and ligaments for connecting the clavicle, the scapula and the humerus to form 4 small joints (the scapula glenohumeral joint, the sternoclavicular joint and the joints between scapula and chest walls). Because of the structural characteristics of the glenohumeral joint, the glenohumeral joint has the maximum mobility in a human body, but is easy to cause instability of the glenohumeral joint, dislocation, pain and the like due to trauma, improper movement, aging, congenital dysplasia and the like.
In addition to injuries to the glenohumeral joint, common injuries to the shoulder joint include subacromion impingement, rotator cuff injury, frozen shoulder and surrounding ligaments, soft tissue injuries, and the like.
At present, common treatment for shoulder joint related injuries is conservative treatment, and along with the popularization of arthroscopic equipment, the arthroscopic operation treatment for shoulder joint related injuries is widely applied to hospitals all over the country. One common difficulty in arthroscopic surgery of the shoulder joint is the location of the scapular bone tunnel, which needs to be established in various surgeries such as coracoid transposition bone grafting, scapular labrum reconstruction, Bankart injury repair and the like. For example, CN105310755A proposes a scapula glenoid bone positioning device, which can solve the problem of inaccurate positioning of a scapula glenoid bone tunnel, but has disadvantages that the designed positioning hook needs to be clamped to the opposite side of the glenoid bone, which may cause damage to other tissues, and in addition, two hands are needed to perform device structure adjustment and position fixation during use, which is tedious to operate, prolongs the operation time, and increases the risk of patients.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a shoulder joint positioner that is stable, convenient, accurate, safe and can accelerate the operation and go on.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
a shoulder joint positioner, includes the kirschner wire sleeve, the telescopic one end of kirschner wire is provided with the grab handle, and the other end is provided with the auxiliary rod, the auxiliary rod includes first section, second section and third section, wherein:
the first section is a connecting section and is connected with the Kirschner wire sleeve;
the second section is a scapular pelvis fixing section, rises to a certain height from the first section and is suitable for being buckled on the edge of the scapular pelvis;
the third segment is a stabilizing segment extending forward from the second segment and adapted to fit the glenoid plane.
Further, the height of the second section rising from the first section is 10-15mm, and the length of the second section is 3-8 mm.
Further, the auxiliary rod and the grab handle are positioned on the same side of the Kirschner wire sleeve.
Further, the length of the third section is 18-22 mm.
Further, the K-wire sleeve has at least two K-wire channels.
Further, the grab handle is obliquely arranged on the Kirschner wire sleeve, and the inclination angle is 30-60 degrees.
Furthermore, the front end of the Kirschner wire sleeve is provided with an inclined surface, so that the front end is retracted towards the central direction.
Furthermore, the shoulder joint positioning device further comprises a reamer, wherein the reamer comprises a handle and two long pipes, and the two long pipes are axially arranged in parallel.
Further, the two long pipes have different inner diameters and are respectively used for accommodating the Kirschner wire and the drilling device.
The utility model discloses following beneficial effect has:
the design of the second stage and the third section of the auxiliary rod of the shoulder joint positioning device of the utility model is different from the positioning hook in the prior art, so that the damage to the glenoid tissue can be avoided; the second section and the third section of the auxiliary rod can be attached to the scapular pelvis to form a positioning structure, and the position of the Kirschner wire sleeve on the scapular pelvis is stabilized, so that the shoulder joint positioning device can be operated by one hand, and the positioning device does not need to be structurally adjusted in the using process. Therefore, the utility model discloses a shoulder joint positioner can provide better positioning stability, and is simple to use, rapid, and the location is accurate, can effectively reduce the operation time.
Drawings
Fig. 1 is a side view of the shoulder joint positioning device of the present invention;
FIG. 2 is a front view of the shoulder joint positioning device of FIG. 1;
FIG. 3 is a rear elevational view of the shoulder joint positioning device of FIG. 1;
FIG. 4 is a top view of the shoulder joint positioning device of FIG. 1;
FIG. 5 is a bottom view of the shoulder joint positioning device of FIG. 1;
FIG. 6 is a state view of the shoulder joint positioning device shown in FIG. 1 in use;
fig. 7 is a block diagram of a reamer of the shoulder joint positioning device of fig. 1, wherein (a) is a side view, (b) is a top view, (c) is a bottom view, and (d) is a front/rear view.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a shoulder joint positioner, as shown in fig. 1-6, including kirschner wire sleeve 1, kirschner wire sleeve 1's one end is provided with grab handle 2, and the other end is provided with auxiliary rod 3, and auxiliary rod 3 is provided with can buckle in the uplift portion 32 at scapular cavity edge, and uplift portion 32 can be square, arc, arch or irregular curved surface, as long as can buckle in scapular cavity edge can.
During the use, will the utility model discloses a shoulder joint positioner arranges in one side like the scapular glenoid bone shown in fig. 6, with the uplift portion buckle of auxiliary rod in the scapular glenoid edge, can make positioner stabilize in scapular bone department, then put into ke shi needle sleeve with ke shi needle, utilize the medical electric drill to drill, after ke shi needle is fixed, detach the utility model discloses a shoulder joint positioner can utilize the drill bit of corresponding specification to carry out the establishment in scapular glenoid bone tunnel as the guide pin with the ke shi needle that fixes before at last.
Compared with the prior art, the beneficial effects of the utility model reside in that: be different from the location hook among the prior art, the uplift of auxiliary rod can not cause the damage to scapular pelvis contralateral tissue to the uplift can buckle in scapular pelvis edge, thereby stabilize the position of kirschner wire sleeve on the scapular pelvis bone, this shoulder joint positioner singlehanded can operate from this, and need not carry out structural adjustment to positioner in the use. Therefore, the utility model discloses a shoulder joint positioner can provide better positioning stability, and is simple to use, rapid, and the location is accurate, can effectively reduce the operation time.
In order to facilitate the formation of the ridge 32 on the auxiliary rod 3, the auxiliary rod 3 may take various structural forms as will occur to those skilled in the art, but the following structural forms are preferred: as shown in fig. 1-6, the auxiliary rod 3 may comprise a first segment 31 and a second segment 32, wherein:
the first section 31 is a connecting section and is connected with the kirschner wire sleeve 1, the first section 31 can adopt various shapes, such as a square shape, a circular shape and the like, however, in view of the convenience of integrally manufacturing the auxiliary rod 3, the first section 31 is preferably a straight arm which is parallel to the long axis of the kirschner wire sleeve 1 and has a length L31Can be 5-30mm, and the position can be in the middle or on the side of the transverse diameter of the kirschner wire sleeve 1;
the second segment 32 is a scapular pelvis fixing segment which is the raised part, rises from the first segment 31 to a certain height and is suitable for being buckled on the edge of the scapular pelvis; for better adaptation to the size of the scapular margin, the second segment 32 preferably rises (rises in the direction of the longitudinal section of the K-wire sleeve 1) from the first segment 31 by a height H3210-15mm and then extends forward parallel to the long axis of the K-wire sleeve 1, the length L of the second section 3232(i.e. the figure)The length of the square structure shown in (a) is preferably 3 to 8 mm; for convenient operation, the auxiliary rod 3 and the grip 2 are preferably located on the same side of the kirschner wire sleeve 1, and in the embodiment shown in fig. 1, both are located on the upper side of the kirschner wire sleeve 1;
for added stability, the auxiliary rod 3 may further comprise a third segment 33, the third segment 33 being a stable segment extending forward from the second segment 32 and adapted to fit the glenoid plane parallel to the long axis 1 of the k-wire sleeve 1, i.e. the third segment 33 is also in particular a straight arm, the length L of the third segment 3333Preferably 18-22mm, so as to facilitate the auxiliary rod 3 to be more stably attached to the scapular pelvis; the distance H between the third section 33 and the k-wire sleeve 133Can be flexibly selected according to the needs, and can be 7-10mm for example.
At this time, the surgical procedure can be referred to as follows:
firstly, performing an operation incision on the body surface by using a scalpel, placing the shoulder joint positioning device of the embodiment of the utility model at one side of the scapular glenoid bone as shown in fig. 6, buckling the second segment of the auxiliary rod at the edge of the scapular glenoid bone, and placing the tail end of the third segment on the plane of the scapular glenoid bone to assist the positioning device to maintain the angle, so as to form a stable and adjustable positioning structure; put into the telescopic suitable ke shi needle passageway of ke shi needle with ke shi needle according to the operative procedure formula of implementing, utilize medical electric drill to drill, after the ke shi needle is fixed, detach the utility model discloses a shoulder joint positioner can utilize the drill bit of corresponding specification to use the ke shi needle fixed before to carry out scapula pelvis tunnel's establishment as the guide pin at last.
In this way, the design of the second and third segments of the auxiliary rod can avoid damage to the scapular glenoid tissue; the second section and the third section of the auxiliary rod can be attached to the scapula to form a positioning structure, and the position of the Kirschner wire sleeve on the scapula bone is stabilized, so that the shoulder joint positioning device can be operated by one hand, and the positioning device does not need to be structurally adjusted in the use process.
The utility model is particularly suitable for an arthroscopic shoulder surgery, can solve the often unsafe problem in scapula pelvis tunnel location in the operation well, provide a standard for the standardization of operation.
The utility model discloses in, auxiliary rod 3 can be for cylindrical (the diameter is for example 2-4.5mm), oblate or cuboid etc. preferred integrated into one piece, and the material can be metal or other materials, and the preferred rounding off design that adopts in surface to avoid the damage to the tissue.
The utility model discloses in, k-wire sleeve 1 preferably has two at least k-wire passageways, has adopted 4 k-wire passageways in the embodiment that fig. 2-5 show, is convenient for carry out 1 bone tunnel location more than simultaneously like this, conveniently realizes the multiple spot location in the operation to can select to use suitable k-wire passageway to fix a position according to the operation art formula of difference.
The corners and edges of the Kirschner wire sleeve are preferably designed smoothly to avoid the damage to the tissues; the length of the kirschner wire sleeve can be determined according to the operation requirement, for example, the length can be 50-70mm, and the size of the kirschner wire channel can be customized according to the requirement so as to penetrate the kirschner wires with different diameters; the width of the Kirschner wire sleeve depends on the number of the Kirschner wire channels and can be 7-17 mm; the thickness of the kirschner wire sleeve depends on the size of the kirschner wire channel, the distance between the kirschner wire channel and the boundary of the kirschner wire sleeve can be 2mm, and the distance between the channels can be 1 mm.
The center of every kirschner wire passageway can all be equipped with funnel-shaped structure, and this funnel-shaped structure can only set up the one end at kirschner wire sleeve 1, and as shown in fig. 3, the near-end kirschner wire passageway edge of kirschner wire sleeve 1 is the inclined plane, forms funnel-shaped structure, and the kirschner wire is aimed at when facilitating the use.
For example, for the kirschner wire sleeve 1 with 4 kirschner wire channels in the drawing, the short sides of the two sides of the kirschner wire sleeve are α -45 degree angle inclined planes (as shown in fig. 4), the long sides of the two sides are β -15 degree angle inclined planes (as shown in fig. 1), as shown in fig. 2-3, the long sides of the front end of the kirschner wire sleeve can be smaller than the edges of the middle two kirschner wire channels, and the short sides can be smaller than the inner side walls of the outer two kirschner wire channels.
In order to facilitate holding, the grab handle 2 is obliquely arranged on the Kirschner wire sleeve 1, and the inclination angle theta can be 30-60 degrees. The grab handle 2 can be in a strip structure, the front end of the grab handle is connected with the Kirschner wire sleeve 1, the position of the grab handle is flush with the auxiliary rod 3, and the grab handle obliquely moves towards the opposite side direction of the auxiliary rod 3 at an angle of 45 degrees on the longitudinal section of the Kirschner wire sleeve 1; the end of the handle 2 may be provided with a circular hole 21 to facilitate connection to other equipment.
Preferably, the shoulder joint positioning device of the present invention may further include a reamer 4, as shown in fig. 7, a handle 41 is provided on the reamer 4, and two long pipes 42 with different diameters are fixed side by side. Long tube 42 can include upper tube 421 and low tube 422, and upper tube 421 is used for holding the kirschner wire, and the internal diameter can be 3mm, and low tube 422 is used for holding drilling equipment, and the internal diameter can be 5mm, and the wall thickness can be 1mm, and two pipe centre-to-centre spacing can be 10mm, and long tube 42 length can be 100mm, and upper tube 421 can insert the fixed kirschner wire on the scapula glenoid to it carries out around the drilling of scapula glenoid tunnel as the benchmark. In the operation process, according to the operation formula of implementation, a Kirschner wire is placed into a Kirschner wire channel at the corresponding position of a Kirschner wire sleeve, a medical electric drill is used for drilling, after the Kirschner wire is fixed, a positioning device is removed and a reamer is replaced, the fixed Kirschner wire is placed into an upper hole shown in a reamer picture 7(d), the medical electric drill and a drill bit with the corresponding specification are inserted into a lower hole shown in the picture 7(d), the bone tunnel at the peripheral position can be established on the basis of the previous position of the Kirschner wire, and the scapular glenoid bone tunnel can be established directly by using the previously fixed Kirschner wire as a guide pin.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a shoulder joint positioner, includes the kirschner wire sleeve, its characterized in that, the telescopic one end of kirschner wire is provided with the grab handle, and the other end is provided with auxiliary rod, auxiliary rod includes first section, second section and third section, wherein:
the first section is a connecting section and is connected with the Kirschner wire sleeve;
the second section is a scapular pelvis fixing section, rises to a certain height from the first section and is suitable for being buckled on the edge of the scapular pelvis;
the third segment is a stabilizing segment extending forward from the second segment and adapted to fit the glenoid plane.
2. A shoulder positioning device as claimed in claim 1 wherein the second segment has a height of 10-15mm from the first segment and a length of 3-8 mm.
3. The shoulder joint positioning device of claim 1, wherein the accessory bar and grip are on the same side of the k-wire sleeve.
4. A shoulder positioning device as claimed in claim 1 wherein the third segment is 18-22mm in length.
5. The shoulder joint positioning device of claim 1 wherein the k-wire sleeve has at least two k-wire channels.
6. The shoulder joint positioning device of claim 1, wherein the grip is disposed on the k-wire sleeve at an angle of 30-60 degrees.
7. The shoulder joint positioning device of claim 1, wherein the distal end of the k-wire sleeve is beveled such that the distal end is inwardly retracted in a central direction.
8. A shoulder positioning device as claimed in any of claims 1 to 7, further comprising a reamer comprising a handle and two elongate tubes arranged axially in parallel.
9. A shoulder positioning device as claimed in claim 8 wherein the two elongate tubes have different internal diameters for receiving a K-wire and a drilling device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920903547.0U CN210727847U (en) | 2019-06-17 | 2019-06-17 | Shoulder joint positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920903547.0U CN210727847U (en) | 2019-06-17 | 2019-06-17 | Shoulder joint positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210727847U true CN210727847U (en) | 2020-06-12 |
Family
ID=70978915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920903547.0U Active CN210727847U (en) | 2019-06-17 | 2019-06-17 | Shoulder joint positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210727847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113576616A (en) * | 2021-08-04 | 2021-11-02 | 北京市春立正达医疗器械股份有限公司 | Tool for positioning center of glenoid |
-
2019
- 2019-06-17 CN CN201920903547.0U patent/CN210727847U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113576616A (en) * | 2021-08-04 | 2021-11-02 | 北京市春立正达医疗器械股份有限公司 | Tool for positioning center of glenoid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220280170A1 (en) | Methods and systems for preparing bone for a surgical procedure | |
| CN105342681A9 (en) | Universal acetabulum inside dissection type locking bone fracture plate and matched instrument thereof | |
| US7766825B2 (en) | Retractor with interchangeable retractor blades | |
| JP2005246067A (en) | Tunnel notcher, guide wire delivery device, and method to prepare bone tunnel | |
| CN103110437B (en) | Exposure device for spinal posterior minimally invasive surgery nailing | |
| CN210727847U (en) | Shoulder joint positioning device | |
| CN204734533U (en) | A interim fixer for assisting shin bone fracture closed reduction | |
| US20050143741A1 (en) | Device for introducing a suture thread anchor into a bone | |
| KR20210013549A (en) | System for anchor placement | |
| CN102813544B (en) | External fixing rack for hip fracture | |
| JP2020529243A (en) | Compensation guide for the femoral neck | |
| CN204049805U (en) | Gun-type reduction forceps | |
| CN217408899U (en) | Elbow joint guiding device | |
| CN201185959Y (en) | Malleolus medialis puncture needle locating guider | |
| CN211633406U (en) | Drag hook for orthopedic operation | |
| CN216257255U (en) | Locator for repairing anterior fibular ligament under arthroscope | |
| CN213075884U (en) | Kirschner wire placement guiding positioner | |
| CN213430490U (en) | Guider for intramedullary fixation | |
| CN215739246U (en) | Pelvis osteotomy wire saw guiding device | |
| CN219021306U (en) | Throat operation support | |
| CN215384551U (en) | Medical half-tube fracture reduction fixator | |
| CN213345888U (en) | Fracture repair positioning guider | |
| CN218943489U (en) | Fracture reduction guider | |
| CN212699076U (en) | Entry guide rod | |
| CN211094469U (en) | Lower limb bone traction positioning drilling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |