CN211066803U

CN211066803U - Adjustable suture guide

Info

Publication number: CN211066803U
Application number: CN201921008844.5U
Authority: CN
Inventors: 吴乐昊; 王佳琦
Original assignee: Plastic Surgery Hospital of CAMS and PUMC
Current assignee: Plastic Surgery Hospital of CAMS and PUMC
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-07-24
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to an adjustable suture guide, including handle and guide wire, the both ends of guide wire respectively with the handle is connected, the middle part of guide wire is cyclic annular. The handle comprises a threading channel and an adjusting mechanism, the adjusting mechanism is connected with one end of the threading channel, and two ends of the guide wire penetrate through the other end of the threading channel and are fixedly connected with the adjusting mechanism. The utility model discloses a suture guide can be used for little incision operation, realizes the suture guide in the incision, reduces doctor's the operation degree of difficulty.

Description

Adjustable suture guide

Technical Field

The utility model relates to the field of medical equipment, concretely relates to adjustable's suture guide.

Background

Patients 25-40 years old who have self-perceived eye bags obvious and require surgery for a previous visit are generally good in skin elasticity, and the lower eyelid bags clinically show slight and moderate swelling of lower eyelid fat and are usually accompanied with lacrimal groove depression deformity, the formation reason of the depression is commonly formed with periorbital soft tissue aging and sagging and is limited by orbicularis oculi muscle supporting ligament (OR L). for the patients, the emphasis of the surgical treatment is to loosen OR L and pull down and fix extra fat mass in the orbital septum for filling in the loss of local soft tissue volume after OR L is loosened.

However, in the periorbital fat release resetting operation through the conjunctival approach, the operation difficulty of fixing the fat flap on the deep inferior orbicularis oculi fat pad-maxillary periosteum complex is extremely high due to the limitation of the small incision of the conjunctival approach, and no proper suture guide is available at present to assist the operator to reduce the operation difficulty.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is how to realize the suture guide of the orbital septal fat release replacement operation.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the adjustable suture guider comprises a handle and a guide wire, wherein two ends of the guide wire are respectively connected with the handle, and the middle part of the guide wire is annular.

The utility model has the advantages that: the utility model discloses a suture guide can be used for little incision operation, realizes the suture guide in the incision, reduces doctor's the operation degree of difficulty.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the handle comprises a threading channel and an adjusting mechanism, the adjusting mechanism is connected with one end of the threading channel, and two ends of the guide wire penetrate through the other end of the threading channel and are fixedly connected with the adjusting mechanism.

The beneficial effect of adopting the further scheme is that: the adjusting mechanism adjusts the extending length of the guide wire, and is suitable for various operation conditions.

Furthermore, adjustment mechanism includes casing and adjusting knob, the lateral wall of casing has the spout, the casing with threading passageway intercommunication, the one end of adjusting knob stretches into in the casing, the other end is located outside the casing, the middle part joint is in the spout and relative the spout slides, the both ends of guide wire stretch into in the casing and with adjusting knob fixed connection.

The beneficial effect of adopting the further scheme is that: the adjusting button slides in the sliding groove and drives the guide wire to extend or retract.

Further, the lateral wall of casing still has a plurality of spacing spouts, and is a plurality of spacing spout with the spout sets up perpendicularly and communicates.

The beneficial effect of adopting the further scheme is that: the adjusting button slides in the sliding groove, when the adjusting button slides in the limiting sliding groove, positioning can be achieved, the extending length of the guide wire is fixed, and operation is facilitated.

Further, adjustment mechanism still includes spacing rack and elasticity piece that resets, spacing rack follows the spout direction is fixed set up in the inner wall of casing, the lateral wall of adjusting knob have with the spacing post of spacing rack looks adaptation, elasticity reset one end with the casing for the inside wall butt of spout can be followed the casing slides, the other end with adjusting knob one end butt or fixed connection, the elasticity of elasticity piece that resets makes spacing post card in the tooth gap of spacing rack.

The beneficial effect of adopting the further scheme is that: spacing post and spacing rack butt under the elasticity piece effect that resets, press the adjusting knob, the adjusting knob slides in the spout, loosens the confirming that the adjusting knob can realize the position, can realize the nimble regulation of a plurality of positions, and the location is accurate.

Furthermore, the inner wall of casing still has the guide way, the guide way with the spout corresponds set up in two relative lateral walls of casing, the one end of elasticity piece that resets slides set up in the guide way.

The beneficial effect of adopting the further scheme is that: one end of the elastic reset piece slides in the guide groove, so that the adjusting button is prevented from deviating in the adjusting process.

Further, the elastic reset piece is a spring.

The beneficial effect of adopting the further scheme is that: the spring is simple and convenient to install, small and exquisite and light, and the reset effect is good.

The guiding line is characterized by further comprising a bifurcate structure, one side of the bifurcate structure is fixedly connected and communicated with the other end of the threading channel, and two ends of the guiding line penetrate into the threading channel from the two bifurcates respectively.

The beneficial effect of adopting the further scheme is that: the bifurcated structure provides a loop of guide wire outside the passage with a width that can be used for suture guidance in a wider incision. The bifurcate structure is eccentrically arranged at the other end of the threading channel, so that the surgical incision can be conveniently entered.

In particular, the ratio of the distance between the threading channel and each of the two branches is 0.618: 0.382.

further, the ends of the bifurcating structure are parallel to each other and spaced 12-24mm apart.

The beneficial effect of adopting the further scheme is that: the ends of the bifurcated structure are parallel to each other and easily extend into the incision.

Preferably, the ends of the bifurcating structure are parallel to each other and spaced 12mm or 20mm apart.

Further, the guide wire is a titanium wire, and the length of the guide wire, which is positioned at the outer side part of the threading channel, is 18-36 mm.

The beneficial effect of adopting the further scheme is that: the titanium wire has high strength, is high temperature resistant, can be disinfected, is a common medical material, can be bent according to actual use conditions when in use, and is suitable for incisions with various shapes.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of an adjustable suture guide of the present invention;

fig. 2 is a schematic structural view of a second embodiment of the adjustable suture guide of the present invention;

fig. 3 is a schematic view of an adjusting mechanism of a third embodiment of the adjustable suture guide of the present invention;

fig. 4 is a three-dimensional view of an adjusting button of the second embodiment and the third embodiment of the adjustable suture guide of the present invention;

fig. 5 is a schematic view of an adjusting mechanism of a fourth embodiment of the adjustable suture guide of the present invention;

fig. 6 is a left side cross-sectional view of an adjustment mechanism of a fourth embodiment of an adjustable suture guide of the present invention;

fig. 7 is a three-dimensional view of an adjusting knob of a fourth embodiment of an adjustable suture guide of the present invention;

fig. 8 is a first schematic view illustrating a use process of the adjustable suture guide of the present invention;

fig. 9 is a schematic view of a second use process of the adjustable suture guide of the present invention;

fig. 10 is a third schematic view illustrating a use process of the adjustable suture guide of the present invention;

fig. 11 is a schematic view of the adjustable suture guide according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a handle, 2, a guide wire, 3, a threading channel, 4, an adjusting mechanism, 5, a shell, 51, a sliding groove, 52, a limiting sliding groove, 53, a guide groove, 6, an adjusting button, 61, a limiting column, 7, a limiting rack, 8, an elastic resetting piece, 9, a conjunctiva incision, 10, orbicularis oculi, 11, an orbital septum, 12 and a fat pad under the orbicularis oculi.

Detailed Description

The principles and features of the present invention are described below, with the examples being given only for the purpose of illustration and not for the purpose of limiting the scope of the invention.

Example one

As shown in fig. 1, the adjustable suture guide comprises a handle 1 and a guide wire 2, wherein two ends of the guide wire 2 are respectively and fixedly connected with the handle 1, and the middle part of the guide wire 2 is in a ring shape.

As a further proposal of the embodiment, the guide wire 2 is a titanium wire, and the length of the guide wire 2 at the outer part of the threading channel 3 is 18-36 mm.

As a further scheme of the embodiment, the handle 1 is made of a titanium alloy material.

Example two

As shown in fig. 2 and 4, the adjustable suture guide comprises a handle 1 and a guide wire 2, wherein two ends of the guide wire 2 are respectively connected with the handle 1, and the middle part of the guide wire 2 is annular.

As a further scheme of this embodiment, the handle 1 includes a threading channel 3 and an adjusting mechanism 4, the adjusting mechanism 4 is connected to one end of the threading channel 3, and both ends of the guide wire 2 penetrate through the other end of the threading channel 3 and are fixedly connected to the adjusting mechanism 4.

As a further solution of this embodiment, the adjusting mechanism 4 includes a housing 5 and an adjusting knob 6, a sliding groove 51 is formed on a side wall of the housing 5, the housing 5 is communicated with the threading channel 3, one end of the adjusting knob 6 extends into the housing 5, the other end of the adjusting knob is located outside the housing 5, a middle portion of the adjusting knob is clamped in the sliding groove 51 and slides relative to the sliding groove 51, and two ends of the guiding wire 2 extend into the housing 5 and are fixedly connected with the adjusting knob 6.

Specifically, the guide wire 2 is welded on the adjusting knob 6; or the side wall of the adjusting button 6 is provided with a groove matched with the guide wire 2, the two ends of the guide wire 2 are welded together to form a ring shape, and the guide wire 2 is clamped in the groove and is in interference fit with the groove; the fixing connection method of the guide wire 2 and the adjusting knob 6 is not limited to the above connection method, and other common fixing connection methods may be used.

Specifically, preferably, the housing 5 includes a side wall cylinder and an end cover, the sliding groove 51 is disposed on one side wall of the side wall cylinder, the sliding groove 51 is a U-shaped through hole, the adjusting button 6 can be installed into the sliding groove 51 from an opening end of the sliding groove 51, and then the end cover is fixedly connected with the side wall cylinder, so that the installation is convenient.

Specifically, as shown in fig. 4, the diameters of both ends of the adjusting knob 6 are larger than the diameter of the middle portion.

As a further scheme of this embodiment, the guiding device further includes a bifurcated structure, one side of the bifurcated structure is fixedly connected and communicated with the other end of the threading channel 3, and two ends of the guiding wire 2 respectively penetrate into the threading channel 3 from two branches.

Specifically, as shown in fig. 11, the bifurcated structure is eccentrically disposed at the other end of the threading channel 3, so as to facilitate entry into an operative incision, and a relatively small incision can be cut, and the bifurcated structure is obliquely placed at one end first and then placed at the other end by rotation. As shown in fig. 2, the ratio of the distance between the threading channel 3 and each of the two branches is a: b ═ 0.618: 0.382.

as a further development of this embodiment, the ends of the bifurcating structure are parallel to each other and have a spacing c of 12-24 mm.

EXAMPLE III

As shown in fig. 3 and 4, the adjustable suture guide comprises a handle 1 and a guide wire 2, wherein two ends of the guide wire 2 are respectively connected with the handle 1, and the middle part of the guide wire 2 is annular.

As a further scheme of this embodiment, the side wall of the housing 5 further has a plurality of limiting sliding grooves 52, and the plurality of limiting sliding grooves 52 are vertically disposed and communicated with the sliding grooves 51.

Specifically, the width of the limiting sliding groove 52 is equal to the width of the sliding groove 51. The adjusting button 6 is I-shaped, the middle part of the adjusting button 6 is arranged in the sliding groove, and the diameters of the two ends of the adjusting button 6 are larger than the width of the sliding groove 51.

Example four

As shown in fig. 5-7, an adjustable suture guide comprises a handle 1 and a guide wire 2, wherein both ends of the guide wire 2 are respectively connected with the handle 1, and the middle part of the guide wire 2 is in a ring shape.

As a further scheme of this embodiment, the adjusting mechanism 4 further includes a limiting rack 7 and an elastic resetting piece 8, the limiting rack 7 is fixedly disposed on the inner wall of the housing 5 along the direction of the sliding groove 51, the side wall of the adjusting knob 6 has a limiting column 61 adapted to the limiting rack 7, one end of the elastic resetting piece 8 is abutted to the inner side wall of the sliding groove 51 of the housing 5 and can slide along the housing 5, the other end of the elastic resetting piece is abutted to or fixedly connected with one end of the adjusting knob 6, and the elastic force of the elastic resetting piece 8 enables the limiting column 61 to be clamped in a tooth gap of the limiting rack 7.

Specifically, the number of the limiting racks 7 is one, the limiting racks are fixedly arranged on the inner side of the side wall with the sliding groove 51, and the limiting racks 7 are arranged on one side of the sliding groove 51 in parallel. Preferably, the number of the limiting racks 7 is two, and the two limiting racks 7 are respectively arranged on two sides of the sliding groove 51.

Specifically, the adjusting knob 6 may be implemented in a structure that a sidewall of the adjusting knob 6 further has an annular abutting portion protruding outward in the radial direction, one end of the elastic resetting piece 8 abuts against an inner wall of the housing 5, and the other end of the elastic resetting piece is fixedly connected to the abutting portion. Another practical structure of the adjusting knob 6 is that, as shown in fig. 6, a side wall of the adjusting knob 6 has an annular abutting portion protruding outward in the radial direction, one end of the adjusting knob 6 has a cylindrical shaft extending in the axial direction, the elastic resetting piece 8 is sleeved outside the cylindrical shaft, the other end of the elastic resetting piece 8 abuts one end of the adjusting knob 6, and a gap is formed between an end of the cylindrical shaft and an inner wall of the housing 5.

As a further solution of this embodiment, the inner wall of the housing 5 further has a guide groove 53, the guide groove 53 is disposed on two opposite sidewalls of the housing 5 corresponding to the sliding groove 51, and one end of the elastic reset piece 8 is slidably disposed in the guide groove 53.

Specifically, one end of the adjusting knob 6 is a stepped shaft, the end of the stepped shaft is slidably disposed in the guide groove 53, a gap is formed between the shoulder and the upper end surface of the guide groove 53 in the direction shown in fig. 6, and the adjusting knob 6 can move downward for a certain distance to separate the limiting column 61 from the limiting rack 7. The adjusting process is as follows: the adjusting button 6 is pressed down, the adjusting button 6 is slid left and right to adjust the extending length of the guide wire 2, the adjusting button 6 is loosened, and the limiting column 61 is clamped in the tooth gap of the limiting rack 7 to complete length adjustment.

As a further solution of this embodiment, the elastic restoring member 8 is a spring.

The adjustable suture guide of the utility model is used in the periorbital fat release resetting operation through the conjunctiva as follows:

after the patient was dropped with proparacaine hydrochloride in the supine position, the ratio of 0.5% lidocaine + 1: 100,000 local infiltration of epinephrine was anesthetized. A1 cm long conjunctival incision 9 was made into the deep surface of orbicularis oculi muscle, and the orbicularis oculi muscle 10 was separated and opened with the tip of scissors, at which time the orbital septum 11 and the fat mass in the orbital septum were visible. The orbit septum is not opened for a while. And the attachment of the orbicularis oculi muscle to the orbital bone, i.e. the orbital zygomatic ligament, is opened as much as possible with the tip of the scissors and peeled off to a certain extent in a range of 5mm to 1cm below the orbital rim.

1. After the suture guide is sterilized, the adjusting button 6 is pushed to adjust the guide wire 2 to extend out of a proper length according to different eye shapes and lower eyelid pocket shapes, and the guide wire 2 is bent to a proper shape. As shown in fig. 8, the loop formed by the guide wire 2 is placed into the maxillary anterior Space (Premaxilla Space) after the exfoliation through the conjunctival incision 9, and the guide wire 2 is positioned between the deep surface of the orbicularis oculi and the fatty pad 12 under the orbicularis oculi. The body surface projection position of the guide wire 2 is determined on the skin surface, the wire can be absorbed by a Qiangsheng Ethicon 5-0 horn needle, the needle is inserted from the skin, and the needle point passes through the fat pad-periosteum under the orbicularis oculi and then is withdrawn. At this point, the needle is advanced in the ligament-periosteum and is positioned within the loop formed by the guide wire 2, i.e. the suture is positioned within the loop formed by the guide wire 2. And (6) cutting off the needle.

2. From the conjunctiva incision 9, the suture guide is carefully lifted and moved out of the conjunctiva incision 9, and the guide wire 2 pulls both ends of the suture, which are in the epidermis, out of the conjunctiva incision 9. The folded-over middle of the suture is still riveted to the orbital periosteum at this point.

3. The orbit septum 11 is opened to release the fat therein, and a small amount of fat particles are removed as the case may be.

4. One end of the suture is threaded into a new suture needle, and then the tail end of the self-released orbital septal fat passes through the needle together with fibrous cystic tissue of the orbital septal wall and is tied and fixed with the other end of the suture.

The function of moving the fat of the orbital septum of the lower eyelid downwards and filling the lacrimal duct is achieved. The suture is located the skin, and is fixed effectual, and the guide can realize the suture guide well in less incision, greatly reduced the operation degree of difficulty of operation, bring the facility for the operation process.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate the orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The adjustable suture guide is characterized by comprising a handle (1) and a guide wire (2), wherein two ends of the guide wire (2) are respectively connected with the handle (1), and the middle part of the guide wire (2) is annular; the handle (1) comprises a threading channel (3) and an adjusting mechanism (4), the adjusting mechanism (4) is connected with one end of the threading channel (3), and two ends of the guide wire (2) penetrate through the other end of the threading channel (3) and are fixedly connected with the adjusting mechanism (4); the adjusting mechanism (4) comprises a shell (5) and an adjusting button (6), a sliding groove (51) is formed in the side wall of the shell (5), the shell (5) is communicated with the threading channel (3), one end of the adjusting button (6) extends into the shell (5), the other end of the adjusting button is located outside the shell (5), the middle part of the adjusting button is clamped in the sliding groove (51) and slides relative to the sliding groove (51), and two ends of the guide wire (2) extend into the shell (5) and are fixedly connected with the adjusting button (6); adjustment mechanism (4) still include spacing rack (7) and elasticity piece (8) that resets, spacing rack (7) are followed spout (51) direction is fixed set up in the inner wall of casing (5), the lateral wall of adjusting knob (6) have with spacing post (61) of spacing rack (7) looks adaptation, elasticity reset piece (8) one end with casing (5) for the inside wall butt of spout (51) can be followed casing (5) slide, the other end with adjusting knob (6) one end butt or fixed connection, the elasticity of elasticity piece (8) that resets makes spacing post (61) card is in the tooth gap of spacing rack (7).

2. The adjustable suture guide according to claim 1, wherein the side wall of the housing (5) further has a plurality of limiting sliding grooves (52), and the plurality of limiting sliding grooves (52) are vertically arranged and communicated with the sliding groove (51).

3. The adjustable suture guide according to claim 1, wherein the inner wall of the housing (5) further has a guide groove (53), the guide groove (53) is disposed on two opposite side walls of the housing (5) corresponding to the sliding groove (51), and one end of the elastic restoring member (8) is slidably disposed in the guide groove (53).

4. The adjustable suture guide according to claim 1, characterized in that the elastic return member (8) is a spring.

5. The adjustable suture guide according to claim 1, further comprising a bifurcate structure, one side of the bifurcate structure is fixedly connected and communicated with the other end of the threading channel (3), and two ends of the guide wire (2) are respectively threaded into the threading channel (3) from two bifurcates.

6. The adjustable suture guide of claim 5, wherein the ends of the bifurcated structure are parallel to each other and spaced 12-24mm apart.

7. The adjustable suture guide according to any one of claims 1-6, characterized in that the guide wire (2) is a titanium wire, and the length of the guide wire (2) at the outer part of the threading channel (3) is 18-36 mm.