CN221061018U - Rectus muscle fixer for ophthalmic operation - Google Patents

Abstract

The utility model discloses an ophthalmic surgery rectus muscle fixer, which comprises at least two clamping mechanisms hinged together, wherein the clamping mechanisms comprise symmetrically arranged clamping arms and comprise: connecting section, elastic segment, gripping section, bending section and clamping section: reversely bending the bending section relative to the bending direction of the bending section; the gripping sections on the different gripping arms abut each other and form gripping teeth that mesh with each other at the abutment. The utility model has the advantages that one end of the utility model is slender, the rectus muscle can be clamped, the shielding of the operative field is reduced, the other end of the utility model can be fixed on the sterilizing towel to fix the rectus muscle, and the clamped rectus muscle broken end can be fixed in situ when the rectus muscle is sheared, so that the utility model can clamp the rectus muscle end line junction to protect the line junction and fix the rectus muscle end in situ when the rectus muscle is sheared from the muscle end stop in the rectus muscle operation of separating and retaining ciliary anterior blood vessels, thereby releasing the double operation, facilitating the protection of ciliary anterior blood vessels when the rectus muscle end is sheared, and reducing the occurrence of bleeding in the operation.

Description

Rectus muscle fixer for ophthalmic operation

Technical Field

The utility model relates to the field of medical equipment, in particular to a rectus muscle fixer for ophthalmic surgery.

Background

The eyeball rotation of a human is the driving force provided by the traction of the internal, external, upper and lower sets of rectus muscles, oblique muscles and other muscles distributed around the eyeball, and when some muscles are paralyzed or have too high muscular tension caused by trauma or diseases, diseases such as nystagmus or strabismus can occur; clinically, for such conditions, surgery is used if necessary, and rectus oculi muscle coupling is one of the surgical modes; when such an operation is performed, the rectus oculi muscle needs to be cut off and then sutured with other muscles, and the muscle is retracted when cut off due to tension of the muscle, so that the rectus oculi muscle needs to be cut off is clamped firstly, and cannot be shortened to leave an operation area, and then the rectus oculi muscle is cut off to perform subsequent suturing operation.

The existing fixing mode is that muscles can be clamped by means of pincers such as hemostatic forceps, the eye rectus muscles are slim, the common hemostatic forceps are heavy in weight, the rectus muscles are pulled by the hemostatic forceps in order to enable the hemostatic forceps to slide downwards due to the dead weight after clamping, the operation process is affected, other operation assistants are required to help support and position after clamping, the operation area is crowded, the hemostatic forceps clamping end occupies a large operation area, and operation is inconvenient during use.

The authorized bulletin number CN 216294287U discloses a multifunctional medical anti-drop anti-pinch forceps; including arm lock (1), chuck (2) and frictioning portion (3), two the one end joint of arm lock (1) forms the tweezers tail, the tweezers tail is provided with frictioning portion (3), and two the other end interval of arm lock just opens and shuts relatively and set up, two the end that opens and shuts of arm lock (1) all is provided with chuck (2), just chuck (2) are the cross setting, two chuck (2) are the action of opening and shutting of opposite type with two arm locks (1), two chuck (2) deviate from in the one end of arm lock and constitute tweezers point (4), contain anticreep portion (5) on the opposite face of tweezers point (4). The forceps with the structure can replace hemostatic forceps to realize the technical effect of clamping, but the width of the clamping end is large, so that the forceps can be directly used for ophthalmic surgery and can block the sight during the surgery; and are not suitable for gripping smooth and straight muscles of the rectus oculi.

Disclosure of utility model

The present utility model aims to solve at least to some extent one of the technical problems in the above-described technology. Therefore, the utility model aims to provide the rectus muscle fixer for the ophthalmic operation, which is convenient for fixing the rectus muscle during the ophthalmic operation.

To achieve the above object, an embodiment of the present utility model provides an ophthalmic surgery rectus muscle fixator, including at least two clamping mechanisms hinged together, wherein the clamping mechanisms include symmetrically arranged clamping arms, the clamping arms include: and (3) connecting sections: one end is connected with the two clamping arms, and the other end is provided with an elastic section; elastic section: bending outwards to make the included angle between the two clamping arms be an acute angle and maintain the trend that the two clamping arms are far away from each other; a holding section: the outer side surface of the elastic section is provided with anti-skid lines; bending section: the bending section is provided with a notch to form a yielding structure for the opposite bending section to pass through; clamping section: the tail end of the bending section is reversely bent relative to the bending direction of the bending section; the clamping sections on different clamping arms are mutually abutted, and mutually meshed clamping teeth are formed at the abutted positions; when the clamping sections of the two clamping mechanisms are used, the rectus oculi muscles and the positions convenient to fix are respectively clamped, and the clamped rectus oculi muscles can maintain relatively stable space positions so as to facilitate operation.

The rectus muscle fixer for the ophthalmic surgery has at least the following beneficial effects:

The two clamping mechanisms are hinged to all the clamping mechanisms to respectively clamp the rectus oculi muscle and other areas, so that the existing hemostatic forceps are replaced, and the influence of the occupied volume and dead weight of the hemostatic forceps on the operation process is reduced.

In addition, the rectus muscle fixator for ophthalmic surgery according to the above embodiment of the present utility model may further have the following additional technical features:

Optionally, the clamping section comprises a first clamping section and a second clamping section, the second clamping section having a width smaller than the first clamping section; the clamping teeth are formed in the second clamping section.

Further, the second clamping section and the first clamping section are bent along the width direction to form an included angle, and the included angle is changed into an obtuse angle.

Still further, the clamping teeth are formed at the end of the second clamping section, the clamping teeth being triangular teeth.

Further, the second clamping section and the first clamping section are bent to form an obtuse angle along the thickness direction, and the transition mode between the second clamping section and the first clamping section is arc transition.

Further, the clamping teeth are uniformly distributed on the inner side of the second clamping section.

Optionally, the anti-slip structure is formed by arranging semi-cylinders parallel to each other.

Optionally, the sum of the vertical lengths of the connecting section, the elastic section and the holding section is the same as the sum of the vertical lengths of the bending section and the connecting section.

Optionally, the cross section of the clamping section is semicircular, and the two clamping sections are combined to form a circular cross section.

Drawings

FIG. 1 is an angled perspective view of an embodiment of the present utility model;

FIG. 2 is a perspective view of another angular structure according to one embodiment of the present utility model;

FIG. 3 is an enlarged partial view of a first clamping segment according to one embodiment of the utility model;

FIG. 4 is an enlarged partial view of a first clamping segment according to another embodiment of the present utility model;

fig. 5 is a structural view according to another embodiment of the present utility model.

Description of the reference numerals:

The elastic section 2 of the connecting section 1 holds the first clamping section 52 and the second clamping section 53 of the anti-slip structure 31, the bending section 4 and the clamping section 5 of the abdicating structure 41 clamp the tooth 51.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The utility model uses two clamping mechanisms hinged on all parts to clamp the rectus oculi muscle and other areas respectively, replaces the clamping of the existing hemostatic forceps, and reduces the influence of the volume and dead weight of the hemostatic forceps on the operation process.

In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Fig. 1 to 5 show an ophthalmic surgery rectus muscle fixator according to an embodiment of the present utility model, comprising at least two clamping mechanisms hinged together, wherein the purpose of the hinge connection is to enable the two clamping mechanisms to move relatively, the range of movement should be as large as possible, so that one clamping mechanism can move at least in a hemispherical range relative to the other clamping mechanism, and for this purpose, the connection means used for the hinge connection can be a stainless steel wire which passes through a through hole provided in the connecting section 1 of one clamping mechanism and then is fixed with the bending section 4 of the other clamping mechanism, and the stainless steel wire forms an "-infinity" configuration in space, which is most straightforward and simple and can be conveniently adjusted or disconnected when needed, and it should be specifically stated that in the preferred embodiment, the opening and closing directions of the clamping sections 5 of one clamping mechanism are mutually perpendicular, which is to the adaptation to the soft tissue structure of the human body in surgery.

Specifically, the utility model is applied in ophthalmic surgery, wherein one clamping mechanism is used for clamping the eye rectus muscle, the shielding of the operation field is reduced, the other clamping mechanism can be fixed on a sterilizing towel to fix the rectus muscle, and the broken ends of the clamped rectus muscle can be fixed in situ when the rectus muscle is sheared, so that in the rectus muscle surgery for separating and retaining ciliary anterior blood vessels, when the rectus muscle is sheared from the muscle end stop, the utility model can clamp the end line junction of the rectus muscle to protect the line junction, and the rectus muscle end is fixed in situ, so that the double surgery is released, the protection of the ciliary anterior blood vessels is facilitated when the muscle end stop is sheared, and the bleeding in the surgery is reduced.

The existing mode is to fix the rectus oculi muscle by using the hemostatic forceps, and one hand is needed to be vacated for stabilization at any time in the operation to keep the position of the rectus oculi muscle due to the large dead weight of the hemostatic forceps, so that the working efficiency of an operator is influenced, and the utility model can solve the problem; and as described above, the hemostatic forceps have large overall volume, and can shield the operation vision when in use, thus affecting the operation, and the structural appearance of the hemostatic forceps can effectively reduce the shielding of the operation vision.

Wherein fixture sets up the centre gripping arm including the symmetry, and the centre gripping arm includes:

Connection section 1: one end is connected with the two clamping arms, and the other end is provided with an elastic section 2; the connecting segments 1 form a relatively rigid body after being joined, so that subsequent segments can be moved based on this rigid body, as shown in the figure, the connecting ends 1 can be semicircular in side view, providing a better feel in use.

Elastic segment 2: bending outwards to make the included angle between the two clamping arms be an acute angle and maintain the trend that the two clamping arms are far away from each other; as an arc structure along the length of the clamp arm; the elastic section 2 has a certain elastic deformation high capacity relative to other sections of the fixer, and the mode of realizing the function is to bend the elastic section 2 to a certain extent so as to achieve the effect of elastic bending and restoring, and optionally the thickness of the elastic section 2 is smaller than that of the holding section 3 and the connecting section 1 so as to weaken the local bending structure, so that the stress is concentrated on the whole fixer when the whole fixer is extruded, and the whole fixer is deformed.

Grip section 3: the outer side surface of the elastic section 2 is provided with anti-skid lines; in use, the grip section 3 is pressed so that it moves the subsequent part. Alternatively, the anti-slip structure 31 is formed by arranging semi-cylinders parallel to each other, so that the manufacturing difficulty is low and the anti-slip effect is good.

Bending section 4: the bending section is provided with a notch to form a abdication structure for the opposite bending section to pass through; in the deformation process of the rigid structure formed by surrounding the connecting section 1, if the bending section 4 is not arranged, the structure is closed when external force is applied, and the structure is opened after the external force is disappeared, the fixing device is opened when the external force is applied through the arrangement of the bending section 4, and is closed after the external force is disappeared, and the positions of the bending section 4 and the abdicating structure 41 are relied on to enable the subsequent clamping sections 5 to be interchanged, so that the effect is achieved.

Clamping section 5: the bending section 4 is formed at the tail end and is reversely bent relative to the bending direction of the bending section 4; the gripping sections 5 on the different gripping arms abut each other and form inter-engaging gripping teeth 51 at the abutment. The two gripping sections 5 are parallel to each other and form, on the abutment surface, gripping teeth 51 which mesh with each other; the clamping segments 5 are tapered in width in an arcuate manner on both sides.

In some embodiments, the clamping section 5 comprises a first clamping section 52 and a second clamping section 53, the second clamping section 53 having a width smaller than the first clamping section 52; the clamping teeth 51 are formed in the second clamping section 53. Further, the second clamping section 53 and the first clamping section 52 are bent in the width direction to form an included angle, and the included angle is an obtuse angle. Furthermore, the clamping teeth 51 are formed at the end of the second clamping section 53, and the clamping teeth 51 are triangular teeth, and this structure is more suitable for being fixed at other positions around the eyes as clamping jaws due to the bending of different clamping sections, and of course, the clamping section 5 can still effectively clamp rectus oculi due to the structure of the clamping section.

Specifically, as shown in fig. 4, the clamping teeth 51 in this embodiment are two triangular teeth arranged side by side, and have a gap in the middle, and one triangular tooth is arranged on the other side, and when the clamping teeth are closed, the triangular teeth are respectively embedded into the oppositely arranged grooves, and when the clamping teeth are closed, the triangular teeth on the two sides are completely closed to form a whole.

In some embodiments, further, the second clamping section 53 and the first clamping section 52 are bent to form an obtuse angle along the thickness direction, and the transition mode between the two is an arc transition. Furthermore, the clamping teeth 51 are uniformly distributed on the inner side of the second clamping section 53, and the bending direction of the structure is different from that of the above embodiment, and the clamping teeth 51 are uniformly distributed, so that the clamping state of the structure has good anti-slip effect, and the embodiment can be used for fixing on the soft tissue around the eyes as in the previous embodiment.

Optionally, the sum of the vertical lengths of the connecting section 1, the elastic section 2 and the holding section 3 is the same as the sum of the vertical lengths of the bending section 4 and the connecting section 1, which is considered in consideration of the opening and closing force used in pressing, the dead weight reduction and the like, wherein the vertical length refers to the projection length.

Optionally, the cross section of the clamping section 5 is semicircular, and the two clamping sections 5 are circular in cross section when combined, so that the probability of injury to a human body is reduced.

Compared with the anti-clamping forceps in the background art, the fixator is suitable for fixing rectus oculi muscles in ophthalmic surgery by the design of the width and the shape of the clamping section 5, and the narrow clamping end is similar to the shape of a thin needle in any state during fixing, so that the visible area is small; the relatively longer clamping end can conveniently pass through the rectus oculi muscle clung to the sclera, the effective clamping part is long, the fault tolerance rate in operation is high, and the cross section of the clamping end is further improved to be circular arc, so that the soft tissues of a patient can be reduced from being scratched in operation.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. An ophthalmic surgery rectus muscle fixer, characterized in that:

including at least two fixture that articulates together, wherein fixture sets up the centre gripping arm including the symmetry, the centre gripping arm includes:

And (3) connecting sections: one end is connected with the two clamping arms, and the other end is provided with an elastic section;

Elastic section: bending outwards to make the included angle between the two clamping arms be an acute angle and maintain the trend that the two clamping arms are far away from each other;

a holding section: the outer side surface of the elastic section is provided with anti-skid lines;

Bending section: the bending section is provided with a notch to form a yielding structure for the opposite bending section to pass through;

clamping section: the tail end of the bending section is reversely bent relative to the bending direction of the bending section; the gripping sections on the different gripping arms abut each other and form gripping teeth that mesh with each other at the abutment.

2. An ophthalmic surgical rectus fixator as claimed in claim 1 wherein: the clamping section comprises a first clamping section and a second clamping section, and the width of the second clamping section is smaller than that of the first clamping section; the clamping teeth are formed in the second clamping section.

3. An ophthalmic surgical rectus fixator as claimed in claim 2 wherein: and an included angle is formed between the second clamping section and the first clamping section by bending along the width direction, and the included angle is an obtuse angle.

4. An ophthalmic surgical rectus fixator as claimed in claim 3 wherein: the clamping teeth are formed at the tail end of the second clamping section, and the clamping teeth are triangular teeth.

5. An ophthalmic surgical rectus fixator as claimed in claim 2 wherein: the second clamping section and the first clamping section are bent to form an obtuse angle along the thickness direction, and the transition mode between the second clamping section and the first clamping section is arc transition.

6. An ophthalmic surgical rectus fixator as claimed in claim 5 wherein: the clamping teeth are uniformly distributed on the inner side of the second clamping section.

7. An ophthalmic surgical rectus fixator as claimed in claim 1 wherein: the anti-skid lines are formed by arranging semi-cylinders which are parallel to each other.

8. An ophthalmic surgical rectus fixator as claimed in claim 1 wherein: the sum of the vertical lengths of the connecting section, the elastic section and the holding section is the same as the sum of the vertical lengths of the bending section and the connecting section.

9. An ophthalmic surgical rectus fixator as claimed in claim 1 wherein: the cross section of the clamping section is semicircular, and the two clamping sections are circular in cross section when combined.