An inner positioner for a prepuce anastomat

Abstract

The utility model relates to a foreskin anastomat with inner positioner, including annular body, the inside hollow of annular body is used for setting the glans penis, the outside sets up the outer protruding surface of the upper and lower two sides and sets up the inner recess between the outer protruding surface, the outer protruding surface and the inner recess form the folding positioning structure on the axial direction, a plurality of positioning edges are arranged in the inner recess along the circumferential direction, a plurality of positioning edges and the inner recess form the folding positioning structure on the circumferential direction. The utility model discloses through the inner recess of inner positioner to the addition of positioning edge, make the outer protruding surface and the inner recess cooperate the adaptive structure of inner positioner and carry out axial folding positioning, along with the circumferential direction a plurality of positioning edges and the inner recess form the folding positioning on the circumferential direction, and then guarantee the structural positioning stability of foreskin in the circumferential direction, will not produce the displacement in the circumferential direction because of the soft characteristic of human body tissue itself, guarantee the accuracy of cutting position, improve the foreskin operation effect.

Description

Technical Field

[0001] This utility model relates to a medical device, and more particularly to an internal positioner for a circumcision stapler. Background Technology

[0002] Existing foreskin fixation devices include an internal locator and an external locator. These two locators work together to position and fix the foreskin to be cut, and then a foreskin cutting stapler is installed for cutting and suturing. Both the internal and external locators are ring-shaped. Due to the sliding nature of the inner and outer foreskin layers, relative sliding misalignment in the circumferential direction may occur during the positioning of the foreskin cutting location. This may lead to an unsatisfactory foreskin cutting position, thus affecting the clinical use of the locator and the final surgical outcome. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide an internal locator for circumcision staplers. By improving the structure of the internal locator, it ensures good limiting effect in both the axial and circumferential directions during positioning, ensuring accurate positioning of the foreskin cutting position, good alignment of the inner and outer plates, and improving the quality of surgery.

[0004] The present invention adopts the following technical solution: an internal locator for a circumcision stapler, comprising an annular body, the inner side of which is hollow for fitting the glans penis, and an outer protrusion on the upper and lower sides and an inner groove between the outer protrusions. The outer protrusions and the inner groove form an axial folded positioning structure. Several positioning ridges are arranged in the inner groove along the circumferential direction, and the several positioning ridges and the inner groove form a circumferential folded positioning structure.

[0005] As an improvement, several positioning edges are evenly arranged in the inner groove along the circumferential direction.

[0006] As an improvement, the number of positioning edges is set to 6-36.

[0007] As an improvement, the cross-section of the positioning edge is an isosceles triangle.

[0008] As an improvement, the cross-section of the positioning edge is circular.

[0009] As an improvement, the height of the positioning edge is set to be greater than half the depth of the inner groove and not greater than the depth of the inner groove.

[0010] As an improvement, the height of the positioning edge is consistent with the depth of the inner groove.

[0011] As an improvement, a rubber ring is fitted around the outer periphery of the inner groove and the positioning edge, and the height of the positioning edge plus the rubber ring is not greater than the depth of the inner groove.

[0012] As an improvement, an outer positioner is also included for use with the inner positioner. The outer positioner includes an outer ring body that can be opened or closed by changing its shape. The inner side of the outer ring body is provided with a limiting edge located on the upper and lower sides and a limiting groove located between the limiting edges. The limiting groove is engaged with the lower outer protrusion, and the upper limiting edge is engaged with the inner groove. Thus, when the outer ring body is closed and locked, the upper limiting edge abuts against the positioning edge for positioning.

[0013] As an improvement, the upper inner side of the ring-shaped body extends upward to form a cover, and the lower part of the cover is open to accommodate the glans.

[0014] The beneficial effects of this utility model are as follows: By adding positioning ridges to the inner groove of the inner locator, the outer protrusion and the inner groove cooperate with the adapting structure of the inner locator to perform axial folding and positioning. At the same time, several positioning ridges and the inner groove form circumferential folding and positioning along the circumferential direction, thereby ensuring the structural positioning stability of the foreskin in the circumferential direction. It will not cause circumferential displacement due to the sliding of the inner and outer plates of the foreskin, avoid misalignment of the inner and outer plates, ensure the accuracy of the cutting position, and improve the effect of circumcision. Attached Figure Description

[0015] Figure 1 This is a partial three-dimensional structural diagram of the internal locator of this utility model.

[0016] Figure 2 This is a partial three-dimensional structural diagram of the inner locator and part of the outer locator of this utility model when they are in combination.

[0017] Figure 3 This is a three-dimensional structural diagram of the inner and outer positioners of this utility model when they are used together.

[0018] Figure 4 This is a cross-sectional view of the inner and outer positioners of this utility model when they are in combination.

[0019] Figure 5 This is a cross-sectional view of the structure of the inner and outer positioners when the rubber ring is set. Detailed Implementation

[0020] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0021] like Figure 1 , 2As shown in Figures 3, 4, and 5, this is a specific embodiment of the internal positioning device for the circumcision anastomosis device of this utility model. This embodiment includes an annular body 1, the inner side of which is hollow for fitting the glans penis. The outer side is provided with an outer protrusion 11 located on the upper and lower sides and an inner groove 12 provided between the outer protrusion 11. The outer protrusion 11 and the inner groove 12 form an axially folded positioning structure. Several positioning ridges 13 are provided in the inner groove 12 along the circumferential direction. The several positioning ridges 13 and the inner groove 12 form a circumferentially folded positioning structure.

[0022] In use, the annular body 1 is inserted into the foreskin cavity and then onto the glans, reaching the coronal sulcus. The external locator then clamps the inner and outer foreskin plates from the outside, and the inner and outer foreskin plates are evenly distributed and clamped. The foreskin is flipped over, and the position of the coronal sulcus can be observed directly. Using the coronal sulcus as a marker, the position of the inner foreskin plate and the frenulum that need to be cut is precisely adjusted under direct vision. Then, the position of the outer plate that needs to be cut is adjusted to achieve good concentric alignment of the inner and outer plates. Finally, the locking structure on the external locator completes the final locking and fixation.

[0023] The axial folding structure formed by the outer protrusion 11, the inner groove 12, and the outer protrusion 11 restricts the foreskin in the axial direction. Before the external locator is finally locked, the surgeon can observe the specific position of the foreskin and make fine adjustments. After final locking, axial fixation is completed. The inner groove 12, together with several positioning ridges 13 therein, forms a circumferential folding structure, restricting the foreskin in the circumferential direction. After final locking, the upper limit edge of the external locator presses the inner and outer plates of the foreskin against the positioning ridges 13. The foreskin between the ridges bulges into the groove, which can stably achieve reliable multi-point positioning in the circumferential direction, increase friction, ensure better composite positioning of the foreskin, and improve the quality of the surgery.

[0024] As an improved specific implementation, several positioning ridges 1 3 are evenly arranged in the inner groove 12 along the circumferential direction.

[0025] like Figure 1 , 2 As shown in Figures 4 and 5, the uniformly arranged positioning ridges 13 achieve uniform force limitation on the circumferential position of the foreskin along the circumferential direction, so that the foreskin is subjected to uniform force during operation and does not shift, thus ensuring that the cut is circular during cutting; on the other hand, the uniform arrangement reduces the manufacturing difficulty of the product and is more conducive to controlling costs and ensuring product accuracy.

[0026] As an improved specific implementation, the number of positioning edges 13 is set to 6-36.

[0027] like Figure 1 , 2As shown in Figures 4 and 5, the above-mentioned number of positioning ridges 13 is chosen to balance cost and positioning effect. Too few ridges would reduce the positioning effect, while too many would increase the risk of foreskin compression damage and ischemia. When selecting the specific number, it is preferable to set the number of positioning ridges 13 to an even number, thereby reducing the difficulty of mold manufacturing.

[0028] As an improved specific implementation, the cross-section of the positioning edge 13 is an isosceles triangle.

[0029] like Figure 1 , 2 As shown in Figures 4 and 5, the isosceles triangle structure is the most stable mechanically. The apex of the triangle has the smallest cross-section, resulting in maximum local pressure when combined with the clamping edge, thus providing better foreskin restraint and fixation. The external positioner effectively locks itself in place with the pressure point of the triangle apex during locking, achieving stable positioning throughout the entire circumference.

[0030] As an improved specific implementation, the cross-section of the positioning ridge 13 is arc-shaped.

[0031] This embodiment is not shown in the figure. Compared with the isosceles triangle structure, the arc-shaped structure exerts relatively less pressure on the foreskin. The outermost arc surface of the arc cooperates with the external locator to compress and position the foreskin. While ensuring the limiting effect, it has a low risk of local ischemia of the foreskin and a light pressure mark on the foreskin after surgery, which can meet different clinical needs for the safety of foreskin ischemia.

[0032] As an improved specific implementation, the height of the positioning ridge 13 is set to be greater than half the depth of the inner groove 12 and not greater than the depth of the inner groove 12.

[0033] like Figure 1 , 2 As shown in Figure 4, the above dimensional settings ensure that the positioning edge 13 has a suitable height to cooperate with the outer locator to lock the position of the outer sheath in the circumferential direction, while the gap between the inner groove 12 and the upper limit edge of the outer locator is not too large, so as not to affect the clamping and limiting effect of the inner and outer plates.

[0034] As an improved implementation, the height of the positioning ridge 13 is consistent with the depth of the inner groove 12. After the outer and inner positioning devices complete the structural locking, the positioning ridge 13, which is consistent with the depth of the inner groove 12, forms a stable fixing point in the circumferential direction, with greater local pressure, achieving an excellent positioning effect; while the inner groove 12 between the positioning ridges 1 and 3, due to its good depth, accommodates the foreskin without generating hard pressure, thus maintaining the blood supply to the foreskin tissue and avoiding the risk of ischemia.

[0035] As an improved specific implementation, a rubber ring 10 is fitted around the outer periphery of the inner groove 12 and the positioning ridge 13, and the height of the positioning ridge 13 plus the rubber ring 10 is not greater than the depth of the inner groove 12.

[0036] like Figure 5 As shown, the rubber ring 10, relying on the material properties of its rubber, can form an elastic contact with the foreskin throughout its circumference, increasing local friction. After the external locator, together with the positioning ridge 13, forms multi-point fixation, it further improves the anti-slip effect in the circumferential direction, thereby improving the positioning effect. Furthermore, the elastic contact and pressure state can adapt to foreskins of different thicknesses, allowing foreskins of varying thicknesses to form stable local pressure through the corresponding deformation of the elastic rubber ring, improving the limiting and fixing effect. The height of the positioning ridge 13 plus the rubber ring 10 is no greater than the depth of the inner groove 12, ensuring that during surgery, the external locator is not obstructed by the protruding rubber ring, thus not affecting the operation.

[0037] As an improved specific implementation, it also includes an outer positioner used in conjunction with the inner positioner. The outer positioner includes an outer ring body 2 that can be opened or closed by changing its shape. The inner side of the outer ring body 2 is provided with limiting edges 21 located on the upper and lower sides and a limiting groove 22 provided between the limiting edges 21. The limiting groove 22 is correspondingly engaged with the lower outer protrusion 11, and the upper limiting edge 21 is correspondingly engaged with the inner groove 12. Thus, when the outer ring body 2 is closed and locked, the upper limiting edge 21 abuts against the positioning ridge 13 for positioning.

[0038] like Figure 2 , 3 As shown in Figures 4 and 5, the upper outer protrusion 11, the inner groove 12, and the lower outer protrusion 11 form a continuous folded structure on the inner side, while the upper limiting edge 21, the limiting groove 22, and the lower limiting edge 21 form a continuous folded structure on the outer side. The upper limiting edge 21 and the inner groove 12 are positioned in a corresponding engagement, and the limiting groove 22 and the corresponding limiting groove 22 are positioned in a corresponding engagement, achieving good axial positioning of the foreskin within the folded structure formed by the above structures. Furthermore, the tighter circumferential compression positioning formed by the upper limiting edge 21 and several positioning ridges 13 ensures a good positioning effect for the circumferential folded structure formed by the positioning ridges 13 and the inner groove 12. The external positioner can adopt a multi-segment structure, with an opening on one side and a locking structure forming a ring shape. Specific structures can be implemented with reference to existing technologies. In terms of size fit, when the outer ring body 2 is closed and locked in place, the limiting edge 21 can abut against the positioning edge 13, and the foreskin can be well pressed and positioned when it is between the two, thus achieving a better fixing effect.

[0039] As an improved specific implementation, the upper inner side of the annular body 1 extends upward to form a cover 14, and the lower part of the cover 14 is open to accommodate the glans penis.

[0040] like Figure 1-5 As shown, a cover 14 extends upward from the upper part of the annular body 1, which accommodates the glans penis through a closed bell-shaped structure. The foreskin is everted outside the annular body 1 and the cover 14. The outer side of the annular body 1 is positioned with the external locator for foreskin positioning. A staple plate can be further provided on the upper part of the annular body 1. The staple plate is provided with a ring of staple grooves, which are assembled and used in conjunction with the annular blade and suture staples on the foreskin stapler to complete the cutting and suturing of the foreskin. This embodiment integrates the positioning and cutting stapler structure, simplifying the operation process.

[0041] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. An internal locator for a circumcision stapler, comprising an annular body (1), wherein the inner side of the annular body (1) is hollow for fitting the glans penis, and the outer side is provided with an external protrusion (11) located on the upper and lower sides and an internal groove (12) disposed between the external protrusion (11), the external protrusion (11) and the internal groove (12) forming an axially folded positioning structure, characterized in that: The inner groove (12) is provided with several positioning ridges (13) along the circumferential direction, and the several positioning ridges (13) and the inner groove (12) form a folded positioning structure in the circumferential direction.

2. The internal positioning device for a circumcision stapler according to claim 1, characterized in that: Several positioning edges (13) are evenly arranged in the inner groove (12) along the circumferential direction.

3. The internal positioning device for a circumcision stapler according to claim 1, characterized in that: The number of positioning edges (13) is set to 6-36.

4. The internal positioning device for a circumcision stapler according to claim 1, characterized in that: The cross-section of the positioning edge (13) is an isosceles triangle.

5. The internal positioning device for a circumcision stapler according to claim 1, characterized in that: The cross-section of the positioning edge (13) is arc-shaped.

6. An internal positioner for a circumcision stapler according to any one of claims 1-5, characterized in that: The height of the positioning ridge (13) is set to be greater than half the depth of the inner groove (12) and not greater than the depth of the inner groove (12).

7. The internal positioning device for a circumcision stapler according to claim 6, characterized in that: The height of the positioning ridge (13) is consistent with the depth of the inner groove (12).

8. An internal positioner for a circumcision stapler according to any one of claims 1-5, characterized in that: A rubber ring (10) is fitted around the outer periphery of the inner groove (12) and the positioning edge (13), and the height of the positioning edge (13) plus the rubber ring (10) is not greater than the depth of the inner groove (12).

9. A inner positioner for a prepuce anastomat as defined in any one of claims 1-5, characterized in that: It also includes an outer locator used in conjunction with the inner locator. The outer locator includes an outer ring body (2) that can be opened or closed by changing its shape. The inner side of the outer ring body (2) is provided with a limiting edge (21) located on the upper and lower sides and a limiting groove (22) located between the limiting edge (21). The limiting groove (22) is correspondingly engaged with the lower outer protrusion (11), and the upper limiting edge (21) is correspondingly engaged with the inner groove (12). Thus, when the outer ring body (2) is closed and locked, the upper limiting edge (21) abuts against the positioning ridge (13) for circumferential positioning.

10. An internal positioner for a circumcision stapler according to any one of claims 1-5, characterized in that: The upper inner side of the annular body (1) extends upward to form a cover (14), and the lower part of the cover (14) is open to accommodate the glans penis.

Images