CN111265260A - Bone-penetrating positioning suture needle for rotator cuff - Google Patents
Bone-penetrating positioning suture needle for rotator cuff Download PDFInfo
- Publication number
- CN111265260A CN111265260A CN202010209019.2A CN202010209019A CN111265260A CN 111265260 A CN111265260 A CN 111265260A CN 202010209019 A CN202010209019 A CN 202010209019A CN 111265260 A CN111265260 A CN 111265260A
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- China
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- spicule
- sleeve
- sliding
- main body
- groove
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0482—Needle or suture guides
Abstract
The invention relates to the field of medical instruments and discloses a rotator cuff bone penetrating positioning suture needle which comprises a restorer main body, a sleeve and a spicule, wherein the sleeve is arranged at the lower end of the restorer main body, the spicule is arranged in the sleeve, the restorer main body is provided with a driving mechanism for driving the spicule to slide in a cavity of the sleeve, a puncture part of the lower end of the spicule, which protrudes out of the sleeve, is in a preset bent shape, the tail end of the spicule is provided with a tip and a port with a thread for driving the suture thread, a coaxial sliding cavity is arranged in the restorer main body, a vertical sliding groove for communicating the sliding cavity with the outside is arranged on the restorer main body, the connecting piece is positioned in the vertical sliding groove and can move along the vertical sliding groove, the sliding column is positioned in the sliding cavity and can slide freely, two ends of the connecting piece are respectively fixed on the sliding column and the hand push key, and the upper end of the spicule is connected with the lower end of the sliding column. Simple structure, convenient operation, single-man operation when puncturing and withdrawing with the spicule, strong practicability.
Description
Technical Field
The invention relates to a medical instrument, in particular to a rotator cuff bone-penetrating positioning suture needle.
Background
With the development of technology, various medical instruments have been developed for pathological conditions, and the rotator cuff prosthesis is a tool for assisting a surgeon in threading a suture through a bone, and is particularly suitable for a plurality of operations in which a trans-osseous suture needs to be threaded along a non-linear path. When the flexible wire with shape memory is adopted to penetrate through the region of the tissue to be sutured, the existing corresponding instrument generally needs to be operated by multiple persons in a matching way in practical application, the difficulty of the operation is higher, the matching operation of the multiple persons also needs to be performed by enough skill and tacit degree, certain obstruction is provided for the popularization and the practicability of the instrument, and the practicability needs to be further improved.
Disclosure of Invention
The invention aims to provide a rotator cuff bone-penetrating positioning suture needle.
The technical scheme adopted by the invention for solving the technical problems is as follows: a rotator cuff bone-penetrating positioning suture needle comprises a prosthesis main body, a sleeve and a bone needle, wherein the sleeve is arranged at the lower end of the prosthesis main body, the bone needle is arranged in the sleeve, a driving mechanism for driving the bone needle to slide in a cavity of the sleeve is arranged on the prosthesis main body, a puncture part at the lower end of the bone needle, which protrudes out of the sleeve, is in a preset bent shape, the tail end of the bone needle is provided with a tip end and a port with a suture line for driving the suture line, a coaxial sliding cavity is arranged in the prosthesis main body, a vertical sliding chute for communicating the sliding cavity with the outside is arranged on the prosthesis main body, the driving mechanism comprises a hand push key, a connecting sheet and a sliding column, the sliding column is positioned in the sliding cavity and can slide freely, the connecting sheet is positioned in the vertical sliding chute and can move along the vertical sliding chute, and the two ends of the connecting sheet are respectively fixed on the sliding column positioned in the, the upper end of the spicule is connected with the lower end of the sliding column. Simple structure, convenient operation, single-man operation when puncturing and withdrawing with the spicule, strong practicability.
Further, the method comprises the following steps: the lower extreme of restorer main part is provided with annular boss, the inner chamber and the sliding chamber of annular boss correspond the intercommunication, the internal diameter of annular boss is the same with the diameter in sliding chamber, correspond the position with vertical spout on the annular boss and be provided with the groove that withdraws from that runs through, the width that withdraws from the groove is the same with the width of vertical spout, be provided with the lower cover that can dismantle on the annular boss, the external diameter of lower cover is the same with the external diameter of restorer main part lower part, lower cover central point puts and is provided with the fixed orifices that fixed sleeving's run through. The disassembly, maintenance and replacement of accessories are convenient.
Further, the method comprises the following steps: the upper part of the prosthesis main body is provided with anti-skid lines. Effectively preventing the handheld prosthetic device main body from sliding during operation.
Further, the method comprises the following steps: the outer surface of the hand push key is provided with a plurality of anti-skid protrusions. The push button is convenient to push up and down.
Further, the method comprises the following steps: and the lower end of the lower cover and the lower end of the sleeve are provided with round corners in smooth transition. Preventing accidental injury and damage.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of a portion of the drive mechanism;
fig. 3 is a partial front view of the lower end of the prosthesis body.
Labeled as: the prosthesis comprises a prosthesis body 100, an anti-skid thread 101, a driving mechanism 110, a hand-push key 111, a connecting sheet 112, a sliding column 113, a sliding cavity 120, a vertical sliding groove 130, a sleeve 200, a bone needle 300, a tip 311, a strip line port 312, an annular boss 400, an exit groove 410, a lower cover 420 and a fixing hole 421.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The rotator cuff bone penetrating positioning suture needle as shown in fig. 1 and 2 comprises a prosthesis main body 100, a sleeve 200 and a bone needle 300, wherein the sleeve 200 is arranged at the lower end of the prosthesis main body 100, the bone needle 300 is arranged in the sleeve 200, a driving mechanism 110 for driving the bone needle 300 to slide in a cavity of the sleeve 200 is arranged on the prosthesis main body 100, a penetrating part of the lower end of the bone needle 300, which protrudes out of the sleeve 200, is in a predetermined curved shape, the tail end of the bone needle 300 is provided with a tip 311 and a tape port 312 for driving a suture, a coaxial sliding cavity 120 is arranged in the prosthesis main body 100, a vertical sliding groove 130 for communicating the sliding cavity 120 with the outside is arranged on the prosthesis main body 100, the driving mechanism 110 comprises a hand push key 111, a connecting sheet 112 and a sliding column 113, the sliding column 113 is arranged in the sliding cavity 120 and can freely slide, the connecting sheet 112 is arranged in the vertical sliding groove 130 and can move along the vertical sliding groove 130, two ends of the connecting piece 112 are respectively fixed on the sliding column 113 positioned in the sliding cavity 120 and the hand push key 111 positioned outside the vertical sliding chute 130, and the upper end of the spicule 300 is connected with the lower end of the sliding column 113. The spicule 300 is made of a super elastic shape memory material such as nitinol, etc., and the spicule 300 has a specific memory shape of alloy, and the terminal portion of the protrusion sleeve 200 always takes a predetermined curved shape after the spicule 300 is separated from the sleeve 200. When the spicule 300 is used for puncturing human tissues, the hand push key 111 is pushed downwards to drive the sliding column 113 to move downwards in the sliding cavity 120 through the connecting sheet 112, the sliding column 113 moves downwards to drive the spicule 300 to slide in the sleeve 200, the tip 311 of the spicule 300 slides out of the sleeve 200 and then moves in a curve mode to penetrate through a bone seam, and the suture thread with the opening 312 moves to a preset position; when the spicule 300 is withdrawn, the hand push key 111 is pushed upwards to drive the sliding column 113 to move upwards in the sliding cavity 120 through the connecting sheet 112, the sliding column 113 moves upwards to drive the spicule 300 to be separated, and the hand push key can be operated by one person when the spicule 300 is used for puncture and withdrawal.
On the basis, as shown in fig. 2 and 3, the lower end of the prosthesis body 100 is provided with an annular boss 400, an inner cavity of the annular boss 400 is correspondingly communicated with the sliding cavity 120, the inner diameter of the annular boss 400 is the same as the diameter of the sliding cavity 120, a penetrating exit groove 410 is arranged on the annular boss 400 corresponding to the vertical sliding groove 130, the width of the exit groove 410 is the same as the width of the vertical sliding groove 130, a detachable lower cover 420 is arranged on the annular boss 400, the outer diameter of the lower cover 420 is the same as the outer diameter of the lower part of the prosthesis body 100, and a penetrating fixing hole 421 for fixing the sleeve 200 is arranged in the center of the lower cover 420. The annular protrusion 400 is a part of the prosthesis body 100 extending out, the annular protrusion 400 and the prosthesis body 100 are integrated, and the outer annular surface of the annular protrusion 400 and the inner annular surface of the lower cover 420 are provided with matching threads. The push button 111 and the connecting piece 112 are of an integral structure. During assembly, the connecting piece 112 is vertically fixed on the outer cylindrical surface of the sliding column 113, the upper end of the spicule 300 with the sleeve 200 is coaxially fixed on the sliding column 113, then the sliding column 113 and the connecting piece 112 are moved into the sliding cavity 120 from the inner cavity of the annular boss 400 and the exit groove 410, and then the lower cover 420 is covered on the annular boss 400 and the upper end of the sleeve 200 is compressed; when the lower cover 420 is removed, the sliding column 113 and the connecting piece 112 connected together can be withdrawn from the inner cavity of the annular boss 400 and the withdrawing groove 410, and then the lower cover can be detached. The disassembly, the maintenance, the cleaning and the part replacement are convenient.
In addition to the above, as shown in fig. 1, the upper part of the prosthesis body 100 is provided with an anti-slip pattern 101. The handheld prosthetic device body 100 is effectively prevented from slipping during operation.
On the basis of the above, as shown in fig. 2 and 3, the outer surface of the push button 111 is provided with a plurality of anti-slip protrusions. The push button 111 is conveniently pushed up and down.
On the basis of the above, as shown in fig. 1, the lower end of the lower cap 420 and the lower end of the sleeve 200 are both provided with rounded corners. In the operation and use process, the lower end of the lower cover 420 and the lower end of the sleeve 200 are contacted with a patient or an operator at a certain probability, the parts are set to be round corners, and the outer surfaces of the hand push keys 111 are composed of smooth surfaces, so that accidental injury and damage are prevented.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A rotator cuff bone-penetrating positioning suture needle is characterized in that: comprises a prosthesis main body (100), a sleeve (200) and a spicule (300), wherein the sleeve (200) is arranged at the lower end of the prosthesis main body (100), the spicule (300) is arranged in the sleeve (200), a driving mechanism (110) for driving the spicule (300) to slide in a cavity of the sleeve (200) is arranged on the prosthesis main body (100), a puncture part of the lower end of the spicule (300) protruding out of the outer part of the sleeve (200) is in a preset bending shape, a tip (311) and a thread-carrying port (312) for driving a suture are arranged at the tail end of the spicule (300), a coaxial sliding cavity (120) is arranged in the prosthesis main body (100), a vertical sliding chute (130) for communicating the sliding cavity (120) with the outer part is arranged on the prosthesis main body (100), and the driving mechanism (110) comprises a hand push key (111), a connecting sheet (112) and a sliding column (113), the sliding column (113) is located in the sliding cavity (120) and can freely slide, the connecting sheet (112) is located in the vertical sliding groove (130) and can move along the vertical sliding groove (130), two ends of the connecting sheet (112) are respectively fixed on the sliding column (113) located in the sliding cavity (120) and the push button (111) located outside the vertical sliding groove (130), and the upper end of the spicule (300) is connected with the lower end of the sliding column (113).
2. The rotator cuff bone penetrating positioning suture needle according to claim 1, wherein: the lower extreme of restorer main part (100) is provided with annular boss (400), the inner chamber and the sliding chamber (120) of annular boss (400) correspond the intercommunication, the internal diameter of annular boss (400) is the same with the diameter of sliding chamber (120), correspond the position with vertical spout (130) on annular boss (400) and be provided with the groove (410) that withdraws through, the width that withdraws from groove (410) is the same with the width of vertical spout (130), be provided with on annular boss (400) and withdraw from groove (420) that can dismantle, the external diameter that withdraws from groove (420) is the same with the external diameter of restorer main part (100) lower part, it is provided with through fixed orifices (421) of fixed sleeve (200) to withdraw from groove (420) central point.
3. The rotator cuff bone penetrating positioning suture needle according to claim 2, wherein: the upper part of the prosthesis main body (100) is provided with anti-skid lines (101).
4. The rotator cuff bone penetrating positioning suture needle according to claim 3, wherein: the outer surface of the hand push key (111) is provided with a plurality of anti-skid protrusions.
5. The rotator cuff bone penetrating positioning suture needle according to claim 2, wherein: the lower end of the withdrawing groove (420) and the lower end of the sleeve (200) are provided with round corners in smooth transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010209019.2A CN111265260A (en) | 2020-03-23 | 2020-03-23 | Bone-penetrating positioning suture needle for rotator cuff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010209019.2A CN111265260A (en) | 2020-03-23 | 2020-03-23 | Bone-penetrating positioning suture needle for rotator cuff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111265260A true CN111265260A (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010209019.2A Pending CN111265260A (en) | 2020-03-23 | 2020-03-23 | Bone-penetrating positioning suture needle for rotator cuff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111265260A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112089456A (en) * | 2020-08-19 | 2020-12-18 | 广州医科大学附属第五医院 | Surgical suture instrument |
-
2020
- 2020-03-23 CN CN202010209019.2A patent/CN111265260A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112089456A (en) * | 2020-08-19 | 2020-12-18 | 广州医科大学附属第五医院 | Surgical suture instrument |
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