Disposable circumcision anastomat

CN224892704UActive Publication Date: 2026-10-27WUHAN NOON SUNSHINE PHARM BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202522409591.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-13
Publication Date
2026-10-27
Estimated Expiration
2035-11-13

AI Technical Summary

Technical Problem

[0005]鉴于上述问题,本实用新型的目的在于提供一种一次性使用包皮切割吻合器,旨在解决现有一次性使用包皮切割吻合器操作较为繁琐的技术问题

Benefits of technology

[0013]本实用新型的有益效果是:本结构中,通过改进拉杆的结构,并将旋钮改进为一对具有回复力的卡钩形式,将拉杆穿入至吻合器时,其顶部锥形头进入至卡钩之间并自动限位,当需要取下龟头罩时,按下卡钩即可,操作十分简单。

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Abstract

The utility model belongs to the technical field of medical apparatus and instruments and provides disposable foreskin cutting anastomat, including the shell of tubular, fixed cylinder, push cover, ring cutter, extrusion handle and the head cover, the top of push cover has push block, the central position of head cover has pull rod, the head of pull rod has the conical head, the top of fixed cylinder has a pair of rotatable clamping hook, the hook portion of clamping hook sets up relatively to the inside, clamping hook still is equipped with the recovery component and provides the recovery force. In the structure, the structure of pull rod is improved, and the knob is improved to the form of a pair of clamping hook with recovery force, when the pull rod is worn into to anastomat, its top conical head enters between clamping hook and is automatically limited, when needing to take down the head cover, press down clamping hook, operation is very simple.
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Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, and in particular relates to a disposable circumcision stapler. Background Technology

[0002] A single-use circumcision stapler is a disposable medical device used in circumcision surgery, which simplifies the surgical procedure, reduces bleeding, and shortens recovery time. Because the stapler is designed for single use, the risk of cross-infection is avoided, and it is discarded directly after use. Conventional staplers generally integrate cutting and anastomosis functions, allowing for simultaneous circumcision and wound suturing during the surgery, resulting in higher efficiency.

[0003] A sexually applicable circumcision stapler includes a housing, a compression handle, a glans cover, a push block, a fixing tube, and a ring blade. The ring blade is installed inside the housing and can move up and down. A pull rod is located at the center of the glans cover. The pull rod passes through the ring blade, the push block, and the fixing tube, and is tightened with a knob to limit the glans cover. At this point, the edge of the glans cover abuts against the ring blade. By operating the compression handle, the push block and the ring blade move downwards as a whole, thus completing the circumcision. Additionally, a ring of staples can be located at the bottom of the housing for simultaneous wound suturing during circumcision.

[0004] After the operation is completed, the knob needs to be loosened in the reverse direction to remove the glans cover. Because the knob needs to be tightened first and then loosened in the reverse direction after the operation, the process is rather cumbersome. Utility Model Content

[0005] In view of the above problems, the purpose of this utility model is to provide a disposable circumcision stapler, which aims to solve the technical problem that the operation of existing disposable circumcision staplers is relatively cumbersome.

[0006] The present invention adopts the following technical solution:

[0007] A disposable circumcision stapler includes a cylindrical outer shell with a fixed cylinder at the top. Inside the outer shell are a fixed push sleeve and a circumcision blade. The push sleeve has a push block at the top. The stapler also includes a squeezing handle and a glans cover. The glans cover has a pull rod at its center. The squeezing handle is connected to the push block. The pull rod has a tapered head at its tip. Below the tapered head is a straight rod with a diameter smaller than the bottom surface of the tapered head. The fixed cylinder has a pair of rotatable hooks at its top. The hooks are positioned with their hooks facing inwards and are equipped with a return component to provide a return force.

[0008] Furthermore, the top of the fixed cylinder has a downward-facing mounting groove, the hook is rotatably mounted in the mounting groove, and the return component is an M-shaped spring, with both ends of the spring fixed to the top of the hook.

[0009] Furthermore, the ring cutter is fixed to the bottom of the push sleeve, the push sleeve has a guide cylinder at its center and the guide cylinder extends out of the outer shell, and the push block is fixed to the top of the guide cylinder.

[0010] Furthermore, the pull rod has a straight groove at its center, and the guide cylinder has a straight bar on its inner wall, which limits the movement of the straight groove.

[0011] Furthermore, the push block has corner plates on both sides, the bottom of the extrusion handle is hinged to the side wall of the outer shell, and there is a hinged connecting rod in the middle position, with the end of the connecting rod hinged to the corner plate on the same side.

[0012] Furthermore, vertical grooves with the same width as the corner plate are opened on both sides of the fixing cylinder, and the bottom of the fixing cylinder is inserted and snapped to the top of the outer shell, with the corner plate located in the corresponding vertical groove.

[0013] The beneficial effects of this utility model are as follows: In this structure, by improving the structure of the pull rod and changing the knob to a pair of hooks with restoring force, when the pull rod is inserted into the stapler, its top conical head enters between the hooks and automatically limits the position. When it is necessary to remove the glans cover, simply press the hooks. The operation is very simple. Attached Figure Description

[0014] Figure 1 This is a perspective view of the anastomosis device provided by this utility model.

[0015] Figure 2 This is a structural diagram of the internal structure of the shell provided by this utility model.

[0016] Figure 3 This is a perspective view of the fixing cylinder provided by this utility model.

[0017] Figure 4 This is a cross-sectional view of the fixing cylinder provided by this utility model.

[0018] Figure 5 This is a structural diagram of the glans cover and pull rod provided by this utility model. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model patent clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0020] To illustrate the technical solution described in this utility model, specific embodiments are described below.

[0021] For ease of explanation, only the parts relevant to the embodiments of this utility model are shown.

[0022] Combination Figure 1-5 As shown, a disposable circumcision stapler includes a cylindrical outer shell 1, with a fixing cylinder 2 fixed to the top of the outer shell 1. Inside the outer shell 1 are a fixed push sleeve 3 and a circumcision blade 4. Under normal conditions, the bottom of the circumcision blade 4 is a short distance from the bottom edge of the outer shell. The push sleeve 3 has a push block 5 on its top. The stapler also includes a squeezing handle 6 and a glans cover 7. The center of the glans cover 7 has a pull rod 8. The squeezing handle 6 is connected to the push block 5. The pull rod 8 has a conical head 81 at its tip. Below the conical head 81 is a straight rod 82 with a diameter smaller than the bottom surface of the conical head. The top of the fixing cylinder 2 has a pair of rotatable hooks 21. The hooks 21 are arranged with their hooks facing inwards and opposite each other. The hooks 21 are also equipped with a return component 22 to provide a return force.

[0023] In this structure, the glans cover and the pull rod 8 are integrated, typically made of stainless steel. In use, the foreskin is retracted and placed over the glans cover, then the pull rod is inserted into the stapler. The tapered head 81 of the pull rod automatically enters between a pair of hooks, which limit the pull rod and prevent it from retracting. Then, pressing the squeeze handle drives the push block 5, push sleeve 3, and circumferential cutter 4 downwards, causing the circumferential cutter 4 to contact the edge of the glans cover 7. Because the edge of the glans cover 7 has a retaining ring, and the diameter of the circumferential cutter 4 is smaller than the retaining ring diameter but slightly larger than the bottom diameter of the glans cover, the retaining ring forms a supporting ring surface, allowing the circumferential cutter 4 to press and cut the foreskin. After completion, pressing the hooks removes the pull rod and glans cover as a whole.

[0024] As can be seen, this method does not require constant tightening and loosening of the knob. It directly locks the top of the column rod through the hook, making the operation very simple.

[0025] Because the catch hook requires a restoring force to ensure the stability of the pull rod, in practice, the restoring component 22 can be a torsion spring, a leaf spring, etc. Figure 3 , 4 As shown, as a specific structure, the top of the fixed cylinder 2 has a downward-facing mounting groove 23. There is a distance between the mounting groove 23 and the bottom of the hook, allowing the hook to rotate. The hook 21 is rotatably mounted within the mounting groove 23. The return assembly 22 is an M-shaped spring, with both ends fixed to the top of the hook 21. By pressing the top of the hook, the spring deforms, and the pair of hooks open, thus disengaging from the pull rod. After release, under the force of the spring, the hook portion nearly closes.

[0026] To ensure the lever does not rotate and to guarantee operational stability, combined with Figure 2 , 5As shown, further, the annular cutter 4 is fixed to the bottom of the push sleeve 3. The push sleeve 3 has a guide cylinder 31 at its center, extending out of the outer shell 1. The push block 5 is fixed to the top of the guide cylinder 31. The pull rod 8 has a straight groove 83 in its middle, and the inner wall of the guide cylinder 31 has a straight bar 32, forming a limit on the straight groove 83. When the pull rod is inserted, the straight bar is embedded in the straight groove, preventing the pull rod from rotating. In addition, in this embodiment, the push block 5 and the top of the guide cylinder 31 are also connected by a detachable snap-fit ​​method for easy installation.

[0027] Additionally, the pushing block 5 has corner plates 51 on both sides, and the bottom of the pressing handle 4 is hinged to the side wall of the outer shell 1. A connecting rod 41 is hinged in the middle, and the end of the connecting rod 41 is hinged to the corner plate 51 on the same side. The fixing cylinder 2 also has vertical slots 24 on both sides with a width consistent with the corner plates. The bottom of the fixing cylinder 2 is inserted and snapped into the top of the outer shell 1, and the corner plates 51 are located within the corresponding vertical slots 24. In this structure, the pushing block 5 is located inside the fixing cylinder 2, and the fixing cylinder 2 can also limit the movement of the pushing block 5. Furthermore, the fixing cylinder 2 has vertical slots 24 on both sides, through which the corner plates 51 extend and connect to the connecting rod 41. The vertical slots 24 form a clearance space and limit the movement of the corner plates 51. The fixing cylinder 2 is also detachable for easy installation.

[0028] The usage instructions for this product are as follows:

[0029] First, perform routine surgical field disinfection followed by local anesthesia. For patients with foreskin adhesions, the adhesions need to be separated; for those with phimosis, the foreskin opening needs to be incised. Then, select the appropriate size of the foreskin stapler using calipers based on the size of the glans penis, prioritizing the largest available size (e.g., if the size is between 18 and 21, prioritize size 21). Third, place the foreskin over the glans cover, ensuring the foreskin covers the concave area at the front of the cover, and adjust the position to leave more of the frenulum exposed to avoid damage. Fourth, insert the lever into the stapler; the lever tip automatically engages with the hooks to create a limiting position. Finally, grip the movable handle tightly to the bottom and hold for about ten seconds to apply pressure and stop bleeding. After firing, release the movable handle to return it to the unfired state, then trigger the hooks and retract the glans cover, separating it from the instrument body.

[0030] After removing the instruments, gently retract the foreskin and carefully and quickly check the anastomosis suture effect. If no abnormalities are found, immediately wrap the surgical wound with iodine-soaked gauze, cover it with gauze, and use gauze with a frenulum made of three layers of folded gauze approximately 15mm on each side. Applying pressure during bandaging can greatly improve the hemostasis effect at the frenulum. Furthermore, the process of suturing the anastomosis wound is not the focus of this embodiment and will not be described in detail here.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A disposable circumcision stapler, comprising a cylindrical outer shell, a fixing cylinder fixed to the top of the outer shell, a fixed push sleeve and a circumcision blade inside the outer shell, a push block at the top of the push sleeve, the stapler further comprising a squeezing handle and a glans cover, a pull rod at the center of the glans cover, and the squeezing handle connected to the push block, characterized in that: The pull rod has a tapered head at its end, and below the tapered head is a straight rod with a diameter smaller than the bottom surface of the tapered head. The top of the fixed cylinder has a pair of rotatable hooks with the hooks facing inwards and opposite each other. The hooks are also equipped with a return component to provide a return force.

2. The disposable circumcision stapler as described in claim 1, characterized in that: The top of the fixed cylinder has a downward-facing mounting groove, and the hook is rotatably installed in the mounting groove. The return component is an M-shaped spring, and the two ends of the spring are fixed to the top of the hook.

3. The disposable circumcision stapler as described in claim 2, characterized in that: The circumferential cutter is fixed to the bottom of the push sleeve, the center of the push sleeve has a guide cylinder that extends out of the outer shell, and the push block is fixed to the top of the guide cylinder.

4. The disposable circumcision stapler as described in claim 3, characterized in that: The pull rod has a straight groove in the middle, and the guide cylinder has a straight bar on the inner wall, which limits the straight groove.

5. The disposable circumcision stapler as described in claim 4, characterized in that: The push block has corner plates on both sides, the bottom of the extrusion handle is hinged to the side wall of the outer shell, and there is a hinged connecting rod in the middle position, with the end of the connecting rod hinged to the corner plate on the same side.

6. The disposable circumcision stapler as described in claim 5, characterized in that: The fixed cylinder also has vertical grooves on both sides with the same width as the corner plate. The bottom of the fixed cylinder is inserted and snapped to the top of the outer shell, and the corner plate is located in the corresponding vertical groove.