CN113509224B - Meniscus stitching instrument and positioning tube thereof - Google Patents
Meniscus stitching instrument and positioning tube thereof Download PDFInfo
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- CN113509224B CN113509224B CN202110422527.3A CN202110422527A CN113509224B CN 113509224 B CN113509224 B CN 113509224B CN 202110422527 A CN202110422527 A CN 202110422527A CN 113509224 B CN113509224 B CN 113509224B
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- tube
- puncture
- straight tube
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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
- A61B17/0491—Sewing machines for surgery
Abstract
The invention provides a meniscus stitching instrument and a positioning tube thereof. Wherein, the registration arm includes first straight tube, arc and second straight tube, and the front end of first straight tube is connected with the left end of arc, the inside of first straight tube and the inside intercommunication of arc, second straight tube and first straight tube fixed connection, and the right-hand member of arc is aimed at to the front end extension line direction of second straight tube, and the inside of second straight tube is used for supplying the puncture pipe to pass and leads to the puncture pipe, and the right-hand member of arc is used for supplying the puncture pipe to peg graft. Because the front end extension line direction of the second straight pipe aims at the right end of the arc-shaped pipe, the puncture pipe can quickly and effectively penetrate through the second straight pipe under the guidance of the second straight pipe and is inserted with the right end of the arc-shaped pipe, and then the working channel for puncture of the puncture needle is formed inside the first straight pipe and the arc-shaped pipe. Therefore, the positioning tube can position the puncture tube sewed by the meniscus plate, and the positioning operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a meniscus stitching instrument and a positioning tube thereof.
Background
At present, for suture repair of the injury of the posterior horn and the body part of the lateral meniscus, disposable meniscus suture devices are applied at home and abroad, and are produced by foreign countries, and patents are mastered at foreign countries. The disposable meniscus stitching instrument mainly has the following defects: (1) the cost is high: the stitching instrument is a disposable consumable material, each cost is about 5000 yuan, and the stitching outer side needs to be used for 2 to 3 times at each time, and the cost is 10000-; (2) when the suturing instrument is applied, the patient can puncture the posterior knee joint blindly, the posterior popliteal artery, the popliteal vein and the common peroneal nerve can be damaged, and the possibility can reach 5% according to the literature; (3) technical patents are available in foreign countries, possibly under the influence of international trade.
Disclosure of Invention
The first purpose of the present invention is to provide a positioning tube which can position a puncture tube sutured to a meniscus and which is easy and convenient to position.
It is a second object of the present invention to provide a meniscal stapler which is reusable and can effectively prevent puncture injury.
In order to achieve the first purpose, the invention provides a positioning tube for positioning a puncture tube sewn on a meniscus, which comprises a first straight tube, an arc-shaped tube and a second straight tube, wherein the front end of the first straight tube is connected with the left end of the arc-shaped tube, the interior of the first straight tube is communicated with the interior of the arc-shaped tube, the second straight tube is fixedly connected with the first straight tube, the extension line direction of the front end of the second straight tube is aligned to the right end of the arc-shaped tube, the interior of the second straight tube is used for the puncture tube to pass through and guide the puncture tube, and the right end of the arc-shaped tube is used for the puncture tube to be inserted.
Compared with the prior art, the positioning tube is connected with the first straight tube through the arc-shaped tube, so that the positioning tube can be hooked and positioned through the arc-shaped tube after the knee joint inner side operation opening is placed, and the puncture tube can quickly and effectively penetrate through the second straight tube under the guidance of the second straight tube and is inserted into the right end of the arc-shaped tube due to the fact that the front end extension line direction of the second straight tube is aligned to the right end of the arc-shaped tube, and a working channel for puncture of a puncture needle is formed inside the first straight tube and the arc-shaped tube. Therefore, the positioning tube can position the puncture tube sewed by the meniscus plate, and the positioning operation is simple and convenient.
Preferably, the second straight pipe is obliquely connected to the first straight pipe, and the second straight pipe and the first straight pipe are distributed in a staggered manner.
Preferably, a connecting part is arranged between the first straight pipe and the second straight pipe.
Preferably, a first handle is arranged at the rear end of the first straight pipe.
In order to achieve the second purpose, the invention provides a meniscus stitching instrument, which comprises a puncture tube and the positioning tube, wherein the front end of the puncture tube penetrates through the second straight tube and is inserted into the right end of the arc tube, the interior of the puncture tube is communicated with the interior of the arc tube, and a working channel is formed in the first straight tube and the arc tube.
Compared with the prior art, the meniscus stitching instrument is connected with the first straight tube through the arc tube, so that the positioning tube can be hooked and positioned through the arc tube after the positioning tube is placed in the knee joint inner side operation opening, and the puncture tube can quickly and effectively penetrate through the second straight tube under the guide of the second straight tube and is connected with the right end of the arc tube in an inserting manner due to the fact that the direction of the front end extension line of the second straight tube is aligned to the right end of the arc tube, so that the first straight tube and the arc tube form a working channel for puncture of the puncture needle, blind puncture is avoided, and popliteal artery, popliteal vein and common peroneal nerve injury caused by puncture are effectively prevented; after the puncture is finished, the puncture tube and the positioning tube can be respectively detached and taken out, so that the meniscus stitching instrument can be sterilized and reused, and a plurality of needles can be stitched according to stitching requirements without increasing the cost of patients.
Preferably, the meniscus suture further comprises a puncture needle for puncturing in the working channel.
Preferably, the puncture tube is provided with a first length scale, and the puncture needle is provided with a second length scale.
Preferably, the rear end of the puncture tube is provided with a second handle.
Drawings
Fig. 1 is a schematic view of the structure of the meniscal stapler of the present invention.
Fig. 2 is a schematic structural view of the positioning tube of the present invention.
FIG. 3 is a schematic view of an extended line of a second straight tube of the positioning tube of the present invention.
FIG. 4 is a schematic view of another angular configuration of the positioning tube of the present invention.
Fig. 5 is a schematic view of the structure of the puncture tube of the present invention.
Fig. 6 is a schematic view of the structure of the puncture needle of the present invention.
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.
Referring to fig. 1 to 5, a meniscal stapler 100 of the present invention includes a positioning tube 1 and a puncturing tube 2. The registration arm 1 is used for fixing a position puncture pipe 2, registration arm 1 includes first straight tube 11, curved tube 12 and second straight tube 13, the front end of first straight tube 11 is connected with the left end of curved tube 12, the inside of first straight tube 11 and the inside intercommunication of curved tube 12, second straight tube 13 and first straight tube 11 fixed connection, the right-hand member of curved tube 12 is aimed at to the front end extension line direction of second straight tube 13, the inside of second straight tube 13 is used for supplying puncture pipe 2 to pass and leads puncture pipe 2, the right-hand member of curved tube 12 is used for supplying puncture pipe 2 to peg graft. The front end of the puncture tube 2 penetrates through the second straight tube 13 and is inserted at the right end of the arc tube 12, the inner part of the puncture tube 2 is communicated with the inner part of the arc tube 12, and the inner parts of the first straight tube 11 and the arc tube 12 form a working channel.
Referring to fig. 3 and 4, in the present embodiment, the second straight tube 13 is obliquely connected to the first straight tube 11, and the second straight tube 13 is staggered from the first straight tube 11. The space occupied by the positioning pipe 1 of the present invention can be saved by connecting the second straight pipe 13 obliquely to the first straight pipe 11. Specifically, a connecting portion 14 is provided between the first straight pipe 11 and the second straight pipe 13. However, the connection manner of the second straight tube 13 and the second straight tube 13 is not limited thereto, for example, in other embodiments, the second straight tube 13 may be connected to the first straight tube 11 through a connecting rod, and the second straight tube 13 may be disposed in parallel with respect to the first straight tube 11.
Referring to fig. 2 and 5, a first handle 111 is disposed at the rear end of the first straight tube 11, and a second handle 22 is disposed at the rear end of the puncture tube 2, so that the doctor can conveniently operate the first straight tube 11 and the puncture tube 2.
Referring to fig. 6, the meniscus stapler 100 of the present invention further includes a puncture needle 3, and the puncture needle 3 is used to puncture in the working channel. Furthermore, the puncture tube 2 is provided with a first length scale 21, and the puncture needle 3 is provided with a second length scale 31. The first length scale 21 corresponds to the second length scale 31, and after the puncture needle 3 penetrates into the working channel through the puncture tube 2, the second length scale 31 of the puncture needle 3 and the first length scale 21 of the puncture tube 2 can be observed to determine the depth of puncture by the puncture needle 3.
With reference to fig. 1 to 6, the meniscus stapler 100 of the present invention has the following working principle:
the positioning tube 1 is placed: the positioning tube 1 is placed in the medial operation opening of the knee joint, and the posterior side of the knee joint capsule is entered through the fracture of the popliteal tendon under arthroscopic monitoring.
Establishing a working channel: the puncture tube 2 is placed into the inner hole of the second straight tube 13 outside the positioning tube 1, and the puncture tube 2 reaches a meniscus injury suture point; puncture pjncture needle 3 is pierced through the hole of puncture pipe 2, uses pjncture needle 3 to puncture the meniscus, observes pjncture needle 3 scale, reaches registration arm 1 degree of depth, can feel level pressure registration arm 1 after (or the degree of depth reaches predetermined degree of depth) stop the puncture, the inside formation cast working channel of cast of first straight tube 11, curved tube 12 and puncture pipe 2 three of registration arm 1.
Suture introduction: a puncture needle 3 is used to enter the puncture tube 2 side of the working channel, a first straight tube 11 side of the positioning tube 1 is connected with a negative pressure suction tube, and the puncture needle 3 repeatedly enters and exits to clean soft tissues in the working channel. Taking out the puncture needle 3, connecting the puncture tube 2 with the arthroscope water inlet pipe, and flushing the working channel. The water inlet pipe is taken down, the nonabsorbable meniscus suture is inserted into the puncture pipe 2, and the suture is sucked out from the other side of the working channel by negative pressure suction.
Suturing meniscus: another suture is placed in the same way, and the two sutures are tied to fix the meniscus.
In conclusion, the meniscus stitching instrument 100 is provided with the arc-shaped tube 12 connected with the first straight tube 11, so that the positioning tube 1 can be hooked and positioned through the arc-shaped tube 12 after the operation opening at the inner side of the knee joint is placed, and the front end extension line direction of the second straight tube 13 is aligned to the right end of the arc-shaped tube 12, so that the puncture tube 2 can quickly and effectively penetrate through the second straight tube 13 under the guidance of the second straight tube 13 and is inserted into the right end of the arc-shaped tube 12, and a working channel for puncture by the puncture needle 3 is formed in the first straight tube 11 and the arc-shaped tube 12, thereby avoiding blind puncture, and effectively preventing popliteal artery, popliteal vein and total peroneal nerve injury caused by puncture; after the puncture is completed, the puncture tube 2 and the positioning tube 1 can be respectively detached and taken out, so that the meniscal suture instrument 100 of the present invention can be sterilized for reuse, and can suture a plurality of needles according to the suture requirement without increasing the cost of the patient.
The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.
Claims (7)
1. A meniscus stitching instrument is characterized by comprising a puncture tube and a positioning tube, wherein the positioning tube comprises a first straight tube, an arc tube and a second straight tube, the front end of the first straight tube is connected with the left end of the arc tube, the interior of the first straight tube is communicated with the interior of the arc tube, the second straight tube is fixedly connected with the first straight tube, the extension line direction of the front end of the second straight tube is aligned to the right end of the arc tube, the interior of the second straight tube is used for the puncture tube to pass through and guide the puncture tube, and the right end of the arc tube is used for the puncture tube to be spliced; the front end of puncture pipe runs through the second straight tube and plug in the right-hand member of arc, the inside of puncture pipe with the inside intercommunication of arc, first straight tube with the inside formation working channel of arc.
2. The meniscus stapler of claim 1, wherein the second straight tube is obliquely connected to the first straight tube, the second straight tube being offset from the first straight tube.
3. The meniscal stapler of claim 1, wherein a connector is provided between said first straight tube and said second straight tube.
4. The meniscal stapler of claim 1, wherein the rear end of said first straight tube is provided with a first handle.
5. The meniscus stapler of claim 1, further comprising a piercing needle for piercing within the working channel.
6. The meniscus stapler of claim 5, wherein the puncture tube is provided with a first length scale and the puncture needle is provided with a second length scale.
7. The meniscal stapler of claim 1, wherein said puncture tube is provided with a second handle at a rear end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422527.3A CN113509224B (en) | 2021-04-19 | 2021-04-19 | Meniscus stitching instrument and positioning tube thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422527.3A CN113509224B (en) | 2021-04-19 | 2021-04-19 | Meniscus stitching instrument and positioning tube thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113509224A CN113509224A (en) | 2021-10-19 |
| CN113509224B true CN113509224B (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110422527.3A Active CN113509224B (en) | 2021-04-19 | 2021-04-19 | Meniscus stitching instrument and positioning tube thereof |
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| CN (1) | CN113509224B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282827A (en) * | 1991-11-08 | 1994-02-01 | Kensey Nash Corporation | Hemostatic puncture closure system and method of use |
| DE502005002984D1 (en) * | 2005-01-24 | 2008-04-10 | Ami Gmbh | Device for the surgical closure of a trocar puncture |
| CN103610479A (en) * | 2013-12-03 | 2014-03-05 | 中南大学湘雅医院 | Meniscus suture positioning guider |
| CN105662554B (en) * | 2016-03-25 | 2018-06-19 | 中国人民解放军第四军医大学 | Needle localization guiding device, puncture positioning device and its application method |
| CN209808411U (en) * | 2019-01-03 | 2019-12-20 | 徐丹 | Thyroid gland puncture syringe |
| CN109567887A (en) * | 2019-01-25 | 2019-04-05 | 丁伟 | A kind of minimally invasive fascia stitching unstrument |
| CN109893187A (en) * | 2019-04-15 | 2019-06-18 | 北京天星博迈迪医疗器械有限公司 | Meniscus suture locator and meniscus stitching devices |
| CN110123400A (en) * | 2019-05-22 | 2019-08-16 | 杭州锐健马斯汀医疗器材有限公司 | A kind of device for meniscus suture |
| CN210354795U (en) * | 2019-06-07 | 2020-04-21 | 张宪 | Novel meniscus full-internal stitching instrument |
| CN212165831U (en) * | 2020-03-23 | 2020-12-18 | 苏州市永旭精密五金制品厂 | Rotator cuff repairing instrument |
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2021
- 2021-04-19 CN CN202110422527.3A patent/CN113509224B/en active Active
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| CN113509224A (en) | 2021-10-19 |
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