CN207768438U - A kind of semilune long-neck instrument feeder for complicated arthrocsopic surgery - Google Patents

Abstract

The utility model discloses a half-moon-shaped long-necked instrument delivery device for complex arthroscopic operations, which comprises a sleeve, a sliding structure and a handle, and the sliding structure is arranged on the outer side wall of the sleeve along the axial direction of the sleeve , the handle is provided at the end of the sleeve. When the utility model is in use, insert the sleeve into the surgical incision with the handle in hand, and slide the long-necked instrument into the surgical incision along the sliding structure until the bony defect area of the shoulder joint; The long-necked instrument has high surgical efficiency and small surgical trauma, and is worthy of vigorous promotion and use.

Description

A half-moon-shaped long-neck instrument delivery device for complex arthroscopic surgery

technical field

The utility model belongs to the technical field of medical instruments, in particular to a half-moon-shaped long-necked instrument delivery device for complex arthroscopic operations.

Background technique

Bone occlusion repair of glenoid bony defect (Latarjet repair) is the most commonly used surgical method for anterior shoulder instability, but the risk of recurrent dislocation is higher for patients with severe bone defect of the anterior glenoid rim. Coracoid process displacement Latarjet surgery provides a solution for such patients and has achieved good results, especially for young patients, however, in this type of surgery, it is often necessary to separate the subscapularis muscle, but due to the surface of the subscapularis muscle and There are many important nerves and blood vessels around, and the experience and operation requirements of the surgeon are required during the separation; however, even a senior chief physician needs to be extremely careful when separating the subscapularis muscle. of blood vessels and nerves.

During the latarjet operation, the cut coracoid process needs to be fixed in the bony defect area of the glenoid, and then the bone block is placed in the correct position of the glenoid through the front through the subscapularis muscle, but this positioning process is based on the current situation. The existing technique is very difficult and complicated. It is necessary to use the exchange stick to locate the subscapularis in the front from the rear, then withdraw the exchange stick, and then put in the expansion device based on experience, which makes the two access channels inconsistent, so the process is slow and difficult. It is easy to damage nerves and blood vessels, which will affect the final surgical effect and even endanger the life safety of patients.

Utility model content

In view of this, the main purpose of this utility model is to provide a half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery, which solves the problems of cumbersome and slow operation process, easy damage to neurovascular, and low operation efficiency in the prior art. question.

In order to achieve the above-mentioned purpose, the technical solution of the utility model is achieved in the following way: a half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery, which includes a sleeve, a sliding structure, and a handle, and the sliding structure is along the sleeve. The axial direction of the barrel is set on the outer wall of the sleeve, and the handle is set at the end of the sleeve; hold the handle and insert the sleeve into the surgical incision, and slide the long-necked instrument into the surgical incision along the sliding structure until the shoulder joint bone defect area.

Preferably, the sliding structure is a through groove, and the through groove is arranged on the outer side wall of the sleeve along the axial direction of the sleeve.

Preferably, the sliding structure is a notch, and the notch is provided on the side wall of the sleeve extending along the axial direction of the sleeve.

Preferably, the front end of the sleeve is provided with a taper.

Preferably, the handle is provided with at least one through hole.

Preferably, the long-necked instrument is a dilator, and the through groove is mated with the dilator, and the dilator includes a first arc-shaped support plate, a second arc-shaped support plate, a connecting rotation mechanism, and a raised strip. The first arc-shaped support plate is connected to the second arc-shaped support plate through the connection rotation mechanism, and the convex strip is arranged at one end of the first arc-shaped support plate close to the connection rotation mechanism or at the end of the second arc-shaped support plate close to the connection rotation mechanism At one end, the through groove matches with the protruding strip.

Preferably, the connection and rotation mechanism includes a sleeve and a rotary rod, the sleeve is sleeved on the rotary rod, the sleeve is provided with a hollow for exposing the rotary rod, and the first arc-shaped support plate is fixed on The sleeve is close to the outer wall of the hollow, and the second arc-shaped support plate is fixed on the rotating rod corresponding to the hollow.

Preferably, the connection and rotation mechanism includes a sleeve and a rotary rod, the sleeve is sleeved on the rotary rod, the sleeve is provided with a hollow for exposing the rotary rod, and the first arc-shaped support plate is fixed on On the rotating rod corresponding to the hollow, the second arc-shaped support plate is fixed on the outer side wall of the sleeve close to the hollow.

Preferably, it also includes a first rotating piece and a second rotating piece, the first rotating piece is arranged on the outer side wall of the end of the sleeve, and the second rotating piece is arranged on the side wall of the end of the rotary rod.

Preferably, the length of the rotating rod is greater than the length of the sleeve.

Preferably, the handle and the sleeve are L-shaped.

Preferably, the front end of the sleeve is provided with a taper.

Compared with the prior art, when the utility model is used, the sleeve is inserted into the surgical incision by holding the handle, and then the long-necked instrument (dilator) is slid into the surgical incision along the sliding structure to complete the delivery of the long-necked instrument to the shoulder joint. Bone defect area; the device has a simple structure and is easy to operate. It does not need to be inserted into the long-necked device by experience. It has high surgical efficiency and small surgical trauma, and is worthy of vigorous promotion and use.

Description of drawings

Fig. 1 is a schematic structural view of a first embodiment of a half-moon-shaped long-necked instrument delivery device of the present invention for complex arthroscopic surgery;

Fig. 2 is the sectional view of embodiment 1;

Fig. 3 is a structural schematic diagram of a gap with a small width in a second embodiment of a half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery of the present invention;

Fig. 4 is a sectional view of Fig. 3;

Fig. 5 is a schematic structural view of a notch with a standard width in a second embodiment of a half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery of the present invention;

Fig. 6 is a sectional view of Fig. 5;

Fig. 7 is a structural schematic diagram of a gap with a large width in the second embodiment of a half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery of the present invention;

Fig. 8 is a sectional view of Fig. 7;

Fig. 9 is a schematic structural view of the dilator.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model provides a half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery, as shown in Figure 1-8, which includes a sleeve 1, a sliding structure 2, a handle 3, and the sliding structure 2 along the sleeve 1 is set on the outer wall of the sleeve 1, and the handle 3 is set at the end of the sleeve 1; when in use, hold the handle 3 and insert the sleeve 1 into the surgical incision, and slide the long-necked instrument along the sliding structure 2 Slide into the surgical incision until the bone defect area of the shoulder joint; the device has a simple structure, is easy to operate, and does not need to be inserted into the long-necked device by experience. It has high surgical efficiency and minimal surgical trauma, and is worthy of vigorous promotion and use.

Further, the sliding structure 2 is a through groove 21, and the through groove 21 is arranged on the outer wall of the sleeve 1 along the axial direction of the sleeve 1; It is a long-necked device with matching convex strips or bumps (not shown in the figure), and the overall structure of the long-necked device can be completely sleeved outside the sleeve 1 or built into the sleeve 1 .

Further, as shown in Fig. 3-8, the sliding structure 2 is a notch 22, and the notch 22 is extended along the axial direction of the sleeve 1 and arranged on the side wall of the sleeve 1; wherein the width of the notch 22 can be determined according to the length of the long-necked instrument end. The shape of the head is made into different sizes, such as a small width notch, a standard width notch and a large width notch.

Further, the handle 3 is provided with at least one through hole 31; the handle 3 and the sleeve 1 are L-shaped; this is convenient for the operator to grasp and operate.

Further, the front end of the sleeve 1 is provided with a taper; such design is convenient for inserting the sleeve 1 into the surgical incision.

Further, as shown in FIG. 9, the long-necked instrument is a dilator 4, and the through groove 21 is connected with the dilator 4. The dilator 4 includes a first arc-shaped support plate 41, a second arc-shaped support plate 42, and a connecting rotation mechanism. 43. Protruding strip 44, the first arc-shaped support plate 41 is connected to the second arc-shaped support plate 42 through the connecting rotation mechanism 43, and the convex strip 44 is set at one end of the first arc-shaped supporting plate 41 close to the connecting and rotating mechanism 43 Or the second arc-shaped support plate 42 is close to one end connected to the rotating mechanism 43 , and the through groove 21 is matched with the protruding strip 44 .

Further, the protrusion 44 can also slide in the notch 22 .

Further, the connection and rotation mechanism 43 includes a sleeve 431 and a rotating rod 432. The sleeve 431 is sleeved on the rotating rod 432. The sleeve 431 is provided with a hollow for exposing the rotating rod 432. The first arc-shaped support plate 41 is fixed on the The sleeve 431 is close to the outer wall of the hollow, and the second arc-shaped support plate 42 is fixed on the rotating rod 432 corresponding to the hollow.

Further, the connection and rotation mechanism 43 includes a sleeve 431 and a rotating rod 432. The sleeve 431 is sleeved on the rotating rod 432. The sleeve 431 is provided with a hollow for exposing the rotating rod 432. The first arc-shaped support plate 41 is fixed on the On the rotating rod 433 corresponding to the hollow, the second arc-shaped support plate 42 is fixed on the outer side wall of the sleeve 431 close to the hollow.

Further, it also includes a first rotating piece 4311 and a second rotating piece 4321, the first rotating piece 4311 is arranged on the outer wall of the end of the sleeve 431, and the second rotating piece 4321 is arranged on the side wall of the end of the rotating rod 432; By setting the first rotating piece 4311 on the outer side wall of the end of the sleeve 431 and the second rotating piece 4321 on the end side wall of the rotating rod 432, it is convenient for the doctor to rotate when stretching the subscapularis muscle, so that the operation progress faster and less pain for the patient.

Further, the length of the rotating rod 432 is greater than the length of the sleeve 431 ; this setting is convenient for the operator to rotate the rotating rod 432 .

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 9, the application process of the first embodiment of the present utility model is as follows: 1) Insert the exchange rod (reprovisioned, not shown in the figure) into the surgical incision And locate the subscapularis muscle; 2) Put the sleeve 1 on the outside of the exchange rod and push the sleeve 1 into the surgical incision; 3) Put the convex strip 44 set on the dilator 4 into the slot 21 or the gap of the utility model 22 (the bridge bridge shown in Figure 3 can be used when the width of the notch 22 matches the thickness of the protruding strip 44) and slide along the through groove 21 or the notch 22 to the incision, so that the dilator 4 is sent to the shoulder At the bone defect area of the joint.

As shown in Figure 3-8, the use process of the second embodiment of the present utility model is: 1) Insert the exchange rod (reprovisioned, not shown in the figure) into the surgical incision and locate the subscapularis muscle; Sleeve 1 is set outside the exchange rod and pushed the sleeve 1 into the surgical incision; 3) Pull out the exchange rod, take a long-necked instrument (not shown in the figure) and put it in the sleeve 1, and place it along the gap 22 (when the length When neck instrument does not have protruding strip 21, can use the direction of the bridge bridge device shown in Figure 5 and Figure 7) to send to the shoulder joint bony defect area.

Compared with the prior art, when the utility model is used, the sleeve 1 is inserted into the surgical incision by holding the handle, and then the long-necked instrument is slid into the surgical incision along the sliding structure 2 to complete the delivery of the long-necked instrument to the bone of the shoulder joint. In the defect area; the device has a simple structure and is easy to operate. It does not need to be inserted into the long-necked device by experience. The operation efficiency is high and the operation trauma is small. It is worthy of vigorous promotion and use.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model.

Claims (10)

1. A half-moon-shaped long-necked instrument delivery device for complex arthroscopic operations, characterized in that it includes a sleeve, a sliding structure, a handle, and the sliding structure is arranged on the outside of the sleeve along the axial direction of the sleeve On the wall, the handle is arranged at the end of the sleeve; hold the handle and insert the sleeve into the surgical incision, and slide the long-necked instrument into the surgical incision along the sliding structure until the bony defect area of the shoulder joint is reached. 2. A half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery according to claim 1, wherein the sliding structure is a through groove, and the through groove is arranged along the axial direction of the sleeve on the outside wall of the sleeve. 3. A half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery according to claim 1, wherein the sliding structure is a notch, and the notch is extended along the axial direction of the sleeve on the side wall of the sleeve. 4 . The half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery according to claim 2 or 3, characterized in that, the front end of the sleeve is provided with a taper. 5 . The half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery according to claim 4 , wherein at least one through hole is provided on the handle. 6 . 6. A half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery according to claim 2, characterized in that, the long-necked instrument is a dilator, and the through groove is mated with the dilator; The expander includes a first arc-shaped support plate, a second arc-shaped support plate, a connecting rotation mechanism, and a convex strip, the first arc-shaped support plate is connected with the second arc-shaped support plate through a connection rotation mechanism, and the The protruding line is arranged on the end of the first arc-shaped support plate close to the connecting rotating mechanism or the end of the second arc-shaped supporting plate close to connecting the rotating mechanism, and the through groove is matched with the protruding line. 7. A half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery according to claim 6, characterized in that, the connection and rotation mechanism includes a sleeve and a rotating rod, and the sleeve is sleeved on the On the rotating rod, the sleeve is provided with a hollow for exposing the rotating rod, the first arc-shaped support plate is fixed on the outer wall of the sleeve close to the hollow, the second arc-shaped support plate is fixed on the Hollow out the corresponding rotating rod. 8. A half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery according to claim 6, characterized in that, the connecting and rotating mechanism includes a sleeve and a rotating rod, and the sleeve is sleeved on the On the rotating rod, the sleeve is provided with a hollow for exposing the rotating rod, the first arc-shaped support plate is fixed on the rotating rod corresponding to the hollow, and the second arc-shaped support plate is fixed on the sleeve The barrel is close to the hollow outer wall. 9. A half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery according to claim 7 or 8, characterized in that it also includes a first rotating piece and a second rotating piece, the first rotating piece The rotating piece is arranged on the outer wall of the end of the sleeve, and the second rotating piece is arranged on the side wall of the end of the rotating rod. 10 . The half-moon-shaped long-necked instrument delivery device for complex arthroscopic surgery according to claim 9 , wherein the length of the rotating rod is greater than the length of the sleeve. 11 .