CN108969036B - Dilator for shoulder arthroscopy operation - Google Patents
Dilator for shoulder arthroscopy operation Download PDFInfo
- Publication number
- CN108969036B CN108969036B CN201710403996.4A CN201710403996A CN108969036B CN 108969036 B CN108969036 B CN 108969036B CN 201710403996 A CN201710403996 A CN 201710403996A CN 108969036 B CN108969036 B CN 108969036B
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- China
- Prior art keywords
- arc
- sleeve
- supporting plate
- shaped supporting
- shoulder
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
Abstract
The invention discloses a gull wing type tissue expansion protection device for minimally invasive surgery, which comprises a first arc-shaped supporting plate, a second arc-shaped supporting plate and a connecting rotating mechanism, wherein the first arc-shaped supporting plate is connected with the second arc-shaped supporting plate through the connecting rotating mechanism. When the device is used, the first arc-shaped supporting plate or the second arc-shaped supporting plate is adjusted to rotate through the connecting and rotating mechanism, so that the subscapular muscles are unfolded; the instrument has simple structure and easy operation, does not need to put long neck instruments for operation by experience, has high operation efficiency and small operation wound, and is worth popularizing and using greatly.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a dilator for shoulder arthroscopic surgery.
Background
Glenoid bone defect bone occlusion repair (Latarjet repair) is the most common surgical procedure for anterior shoulder instability, but the risk of recurrent dislocation is high for patients with severe bone defects at the anterior shoulder edge. Coracoid displacement Latarjet surgery provides a solution for such patients and gives good results, especially for young patients, however in such surgery it is often necessary to isolate the subscapular muscle, but because of the many important nerves and blood vessels on and around the subscapular muscle, experience and operational requirements for the operating physician at the time of isolation. However, even a senior physician needs to take great care to isolate the subscapular muscle, and a little carelessness is required to damage the important vascular nerve.
In the process of performing latarjet surgery, the coracoid process under interception needs to be fixed in a bone defect area of a shoulder glenoid, and then bone blocks pass through the subscapular muscles from front to be placed at the correct position of the glenoid, but the positioning process is very difficult and complicated according to the prior art, the subscapular muscles in front need to be positioned by using an exchange rod from back, then the exchange rod is withdrawn, and then an expanding instrument is placed empirically, so that two access channels are inconsistent, the process is slow, nerve vessels are damaged easily, the final surgical effect is affected, and even the life safety of a patient is endangered.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a dilator for shoulder arthroscopy operation, which solves the problems of complicated and slow process, easy damage to nerve vessels and low operation efficiency in the prior art of inserting into an operation incision.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows: the expander for the shoulder arthroscopy operation comprises a first arc-shaped supporting plate, a second arc-shaped supporting plate and a connecting rotating mechanism, wherein the first arc-shaped supporting plate is connected with the second arc-shaped supporting plate through the connecting rotating mechanism; and the first arc-shaped supporting plate or the second arc-shaped supporting plate is adjusted to rotate through the connecting and rotating mechanism to complete the stretching of the subscapular muscles.
Preferably, the connecting and rotating mechanism comprises a sleeve and a rotating rod, the sleeve is sleeved on the rotating rod, the sleeve is provided with a hollow for exposing the rotating rod, a first arc-shaped supporting plate is fixed on the outer side wall of the sleeve, which is close to the hollow, and a second arc-shaped supporting plate is fixed on the rotating rod corresponding to the hollow.
Preferably, the connecting and rotating mechanism comprises a sleeve and a rotating rod, the sleeve is sleeved on the rotating rod, a hollow for exposing the rotating rod is arranged on the sleeve, the second arc-shaped supporting plate is fixed on the rotating rod corresponding to the hollow, and the second arc-shaped supporting plate is fixed on the outer side wall of the sleeve, which is close to the hollow.
Preferably, the rotary rod further comprises a convex strip, and the convex strip is arranged at one end of the first arc-shaped supporting plate close to the rotary rod or one end of the second arc-shaped supporting plate close to the rotary rod along the axial direction of the rotary rod.
Preferably, the rotary device further comprises a first rotary piece and a second rotary piece, wherein the first rotary piece is arranged on the outer side wall of the tail end of the first sleeve, and the second rotary piece is arranged on the side wall of the tail end of the rotary rod.
Preferably, the length of the swivel is greater than the length of the sleeve.
Preferably, the first arc-shaped supporting plate and the second arc-shaped supporting plate are semicircular.
Preferably, the convex strip is connected with the bridge crossing device in a matched mode, the bridge crossing device comprises a sleeve, a through groove is formed in the outer side wall of the sleeve along the axis direction of the sleeve, and the convex strip is connected with the through groove in a matched mode.
Preferably, the end of the sleeve is provided with a handle.
Preferably, the front end of the sleeve is provided with a taper.
Preferably, the sleeve comprises a first sleeve and a second sleeve, the first sleeve and the second sleeve are sleeved on the rotary rod, a distance is arranged between the first sleeve and the second sleeve, the first arc-shaped supporting plate is fixed on the side walls of the two adjacent ends of the first sleeve and the second sleeve, and the second arc-shaped supporting plate is fixed on the rotary rod corresponding to the distance.
Preferably, the sleeve comprises a first sleeve and a second sleeve, the first sleeve and the second sleeve are sleeved on the rotary rod, a distance is arranged between the first sleeve and the second sleeve, the second arc-shaped supporting plate is fixed on the side walls of the two adjacent ends of the first sleeve and the second sleeve, and the first arc-shaped supporting plate is fixed on the rotary rod corresponding to the distance.
Preferably, the first arc-shaped support plate and the sleeve are integrally formed, and the second arc-shaped support plate and the rotary rod are integrally formed.
Preferably, the second arc-shaped support plate and the sleeve are integrally formed, and the first arc-shaped support plate and the rotary rod are integrally formed.
Preferably, the protruding block and the first arc-shaped supporting plate are formed in one step.
Preferably, the protruding block and the second arc-shaped supporting plate are formed in one step.
Compared with the prior art, when the device is used, the first arc-shaped supporting plate or the second arc-shaped supporting plate is adjusted to rotate through the connecting and rotating mechanism, so that the subscapular muscles are unfolded; the instrument has simple structure and easy operation, does not need to put long neck instruments for operation by experience, has high operation efficiency and small operation wound, and is worth popularizing and using greatly.
Drawings
FIG. 1 is a schematic view of the structure of the expander of the present invention for use in a shoulder arthroscopic surgery when closed;
FIG. 2 is a schematic view of the expander of the present invention for use in a shoulder arthroscopic surgery in an open configuration;
FIG. 3 is a cross-sectional view of a first arcuate support plate in the expander for use in shoulder arthroscopic surgery of the present invention;
FIG. 4 is a cross-sectional view of a second arcuate support plate in the expander for use in shoulder arthroscopic surgery of the present invention;
fig. 5 is a schematic structural view of the bridge crossing device.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention provides a dilator for shoulder arthroscopy operation, which comprises a first arc-shaped supporting plate 1, a second arc-shaped supporting plate 2 and a connecting rotating mechanism 3, wherein the first arc-shaped supporting plate 1 is connected with the second arc-shaped supporting plate 2 through the connecting rotating mechanism 3; the rotation of the first arc-shaped supporting plate 1 or the second arc-shaped supporting plate 2 is adjusted through the connecting rotating mechanism 3, so that the subscapular muscles are unfolded.
Further, the connecting rotating mechanism 3 comprises a sleeve 31 and a rotating rod 32, the sleeve 31 is sleeved on the rotating rod 32, a hollow for exposing the rotating rod 32 is arranged on the sleeve 31, the first arc-shaped supporting plate 1 is fixed on the outer side wall of the sleeve 31, which is close to the hollow, and the second arc-shaped supporting plate 2 is fixed on the rotating rod 32 corresponding to the hollow, wherein the first arc-shaped supporting plate 1 and the sleeve 31 are integrally formed; the second arc-shaped supporting plate 2 and the rotary rod 32 are integrally formed.
Further, the connecting rotating mechanism 3 comprises a sleeve 31 and a rotating rod 32, the sleeve 31 is sleeved on the rotating rod 32, a hollow for exposing the rotating rod 32 is arranged on the sleeve 31, the second arc-shaped supporting plate 2 is fixed on the outer side wall of the sleeve 31, which is close to the hollow, the first arc-shaped supporting plate 1 is fixed on the rotating rod 32 corresponding to the hollow, and the second arc-shaped supporting plate 2 and the sleeve 31 are integrally formed; the first arc-shaped supporting plate 1 and the rotary rod 32 are integrally formed.
Preferably, the sleeve 31 comprises a first sleeve 312 and a second sleeve 313, the first sleeve 312 and the second sleeve 313 are sleeved on the rotary rod 32, a space is arranged between the first sleeve 312 and the second sleeve 313, the first arc-shaped supporting plate 1 is fixed on the side wall of the two adjacent ends of the first sleeve 312 and the second sleeve 313, and the second arc-shaped supporting plate 2 is fixed on the rotary rod 32 corresponding to the space; wherein the first arc-shaped supporting plate 1, the first sleeve 312 and the second sleeve 313 are integrally formed; the second arc-shaped supporting plate 2 and the rotary rod 32 are integrally formed.
Preferably, the sleeve 31 comprises a first sleeve 312 and a second sleeve 313, the first sleeve 312 and the second sleeve 313 are sleeved on the rotary rod 32, a space is arranged between the first sleeve 312 and the second sleeve 313, the second arc-shaped supporting plate 2 is fixed on the side wall of the two adjacent ends of the first sleeve 312 and the second sleeve 313, and the first arc-shaped supporting plate 1 is fixed on the rotary rod 32 corresponding to the space; wherein the second arc-shaped supporting plate 2, the first sleeve 312 and the second sleeve 313 are integrally formed; the second arc-shaped supporting plate 1 and the rotary rod 32 are integrally formed.
Further, it also includes a bump 4, the bump 4 is set at one end of the first arc support plate 1 near the rotating rod 32 or one end of the second arc support plate near the rotating rod 32 along the axis direction of the rotating rod 32; the whole dilator is convenient to enter the operation incision by arranging the convex blocks 4; wherein, the bump 4 and the first arc-shaped supporting plate 1 or the second arc-shaped supporting plate 2 are formed in one step.
Further, it further includes a first rotating piece 311 and a second rotating piece 321, where the first rotating piece 311 is disposed on an outer sidewall of the end of the first sleeve 31, and the second rotating piece 321 is disposed on a sidewall of the end of the rotating rod 32; through set up first rotary piece 311 on the terminal lateral wall of first sleeve 312 and set up second rotary piece 321 on the terminal lateral wall of dwang 32, the doctor of being convenient for is rotatory when propping up the subscapularis, and the operation progress is fast like this, has also reduced patient's pain simultaneously.
Further, the first rotating piece 311 and the sleeve 31 are formed in one piece, and the second rotating piece 321 and the rotating rod 32 are formed in one piece; the design makes the overall structure of the expander stronger and firmer.
Further, the length of the swivel rod 32 is greater than the length of the sleeve 31; this arrangement facilitates the operator to rotate the rotating rod 33.
Further, the first arc-shaped supporting plate 1 and the second arc-shaped supporting plate 2 are semicircular; the design is matched with the structure of a bridge crossing device (not shown in the figure) for operation, so that the bridge crossing device is conveniently sleeved and goes deep into an operation incision, and the damage to other nerve tissues is reduced.
Further, the protruding blocks 4 are arranged along the direction of the radius of the first arc-shaped supporting plate 1; the arrangement is convenient to be matched with the bridge crossing device better.
Further, as shown in fig. 5, the protruding strip 4 is connected with the bridge connector 5 in a matching manner, the bridge connector 5 comprises a sleeve 51, a through groove 511 is provided on the outer side wall of the sleeve 51 along the axial direction, and the protruding strip 4 is connected with the through groove 511 in a matching manner.
Further, the end of the sleeve 51 is provided with a handle 52; the handle 52 is provided with at least one through hole 521; this facilitates the operator's handling and manipulation.
Further, the front end of the sleeve 51 is provided with a taper; the sample placement design facilitates insertion of the sleeve 51 into a surgical incision.
The application process of the invention is as follows: 1) Inserting an exchange rod (additionally arranged, not shown) into the surgical incision and positioning the subscapular muscle; 2) A surgical bridge-crossing device (additionally, not shown in the figure) is sleeved on the exchange rod and pushed downwards to the bone defect area of the shoulder glenoid in the surgical incision; 3) The dilator is sleeved on the surgical bridge device and pushed downwards to the bone defect area of the shoulder glenoid in the surgical incision; 4) The second rotating piece 321 is rotated, so that the second rotating piece 321 drives the rotating rod 32 and the second arc-shaped supporting plate 2 connected with the rotating rod 32 to rotate, and the spreading of the subscapular muscles around the glenoid bone defect area of the shoulder is completed.
Compared with the prior art, when the invention is used, the rotation of the first arc-shaped supporting plate 1 or the second arc-shaped supporting plate 2 is adjusted by the connecting and rotating mechanism 3, so that the lower scapular muscles are unfolded; the instrument has simple structure and easy operation, does not need to put long neck instruments for operation by experience, has high operation efficiency and small operation wound, and is worth popularizing and using greatly.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. The expander for the shoulder arthroscopy operation is characterized by comprising a first arc-shaped supporting plate, a second arc-shaped supporting plate and a connecting rotating mechanism, wherein the first arc-shaped supporting plate is connected with the second arc-shaped supporting plate through the connecting rotating mechanism; the first arc-shaped supporting plate or the second arc-shaped supporting plate is adjusted to rotate through the connecting rotating mechanism to complete the stretching of the subscapular muscle; the connecting rotating mechanism comprises a sleeve and a rotating rod, the sleeve is sleeved on the rotating rod, a hollow-out used for exposing the rotating rod is arranged on the sleeve, a first arc-shaped supporting plate is fixed on the outer side wall of the sleeve, which is close to the hollow-out, and a second arc-shaped supporting plate is fixed on the rotating rod corresponding to the hollow-out.
2. The expander for shoulder arthroscopic surgery according to claim 1, further comprising a protrusion provided at an end of the first arc-shaped support plate near the rotation rod or an end of the second arc-shaped support plate near the rotation rod along an axis direction of the rotation rod.
3. The expander for shoulder arthroscopic surgery of claim 2 further comprising a first rotary blade disposed on an outer sidewall of the first sleeve end and a second rotary blade disposed on a sidewall of the lever end.
4. A dilator for use in shoulder arthroscopic surgery according to claim 3 and wherein the length of said swivel is greater than the length of the sleeve.
5. The expander for use in shoulder arthroscopic surgery of claim 4 wherein the first arcuate support plate and the second arcuate support plate are semi-circular.
6. The expander for shoulder arthroscopic surgery according to claim 5, wherein the protruding strip is cooperatively connected with a bridge crossing device, the bridge crossing device comprises a sleeve, a through groove is arranged on the outer side wall of the sleeve along the axis direction of the sleeve, and the protruding strip is cooperatively connected with the through groove.
7. A dilator for use in shoulder arthroscopic surgery according to claim 6 and wherein the end of said sleeve is provided with a handle.
8. A dilator for use in shoulder arthroscopic surgery according to any of the claims 3-7, characterized in that the front end of the sleeve is provided with a taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403996.4A CN108969036B (en) | 2017-06-01 | 2017-06-01 | Dilator for shoulder arthroscopy operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403996.4A CN108969036B (en) | 2017-06-01 | 2017-06-01 | Dilator for shoulder arthroscopy operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108969036A CN108969036A (en) | 2018-12-11 |
| CN108969036B true CN108969036B (en) | 2023-10-20 |
Family
ID=64501559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710403996.4A Active CN108969036B (en) | 2017-06-01 | 2017-06-01 | Dilator for shoulder arthroscopy operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108969036B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6228022B1 (en) * | 1998-10-28 | 2001-05-08 | Sdgi Holdings, Inc. | Methods and instruments for spinal surgery |
| CN2618566Y (en) * | 2003-03-26 | 2004-06-02 | 天津市公安医院 | Adjustable sleeve of intervertebral disc lens |
| CN201079089Y (en) * | 2007-02-28 | 2008-07-02 | 惠阳区秋长生上五金制品厂 | Rotating locking controlling mechanism of umbrella |
| CN202920793U (en) * | 2012-07-04 | 2013-05-08 | 张强 | Minimally invasive fixing expanding step-by-step sleeve device |
| CN203042210U (en) * | 2013-01-07 | 2013-07-10 | 陈育哲 | Endoscope rhytidectomy auxiliary distraction device |
| CN105310733A (en) * | 2015-12-12 | 2016-02-10 | 王振华 | Endoscope lower thoracic vertebra body expander |
| DE202016104553U1 (en) * | 2016-08-19 | 2016-10-20 | Peter Witte | torque |
| CN205697866U (en) * | 2016-05-16 | 2016-11-23 | 新疆维吾尔自治区人民医院北院 | Shoulder joint mirror service aisle positioning dilator |
| CN205795739U (en) * | 2016-04-12 | 2016-12-14 | 奥斯奥鹏外科产品股份公司 | A kind of dilator for operation |
-
2017
- 2017-06-01 CN CN201710403996.4A patent/CN108969036B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6228022B1 (en) * | 1998-10-28 | 2001-05-08 | Sdgi Holdings, Inc. | Methods and instruments for spinal surgery |
| CN2618566Y (en) * | 2003-03-26 | 2004-06-02 | 天津市公安医院 | Adjustable sleeve of intervertebral disc lens |
| CN201079089Y (en) * | 2007-02-28 | 2008-07-02 | 惠阳区秋长生上五金制品厂 | Rotating locking controlling mechanism of umbrella |
| CN202920793U (en) * | 2012-07-04 | 2013-05-08 | 张强 | Minimally invasive fixing expanding step-by-step sleeve device |
| CN203042210U (en) * | 2013-01-07 | 2013-07-10 | 陈育哲 | Endoscope rhytidectomy auxiliary distraction device |
| CN105310733A (en) * | 2015-12-12 | 2016-02-10 | 王振华 | Endoscope lower thoracic vertebra body expander |
| CN205795739U (en) * | 2016-04-12 | 2016-12-14 | 奥斯奥鹏外科产品股份公司 | A kind of dilator for operation |
| CN205697866U (en) * | 2016-05-16 | 2016-11-23 | 新疆维吾尔自治区人民医院北院 | Shoulder joint mirror service aisle positioning dilator |
| DE202016104553U1 (en) * | 2016-08-19 | 2016-10-20 | Peter Witte | torque |
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| Publication number | Publication date |
|---|---|
| CN108969036A (en) | 2018-12-11 |
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