Joint mechanism capable of adjusting angle of clip applier head
By designing a joint mechanism with adjustable clamp head angle including a gripping mechanism, bending mechanism, adjustment mechanism and support mechanism, the problem of inconvenience in adjusting the clamp head bending angle in the patient's body is solved, and the existing clamping mechanism is improved. The flexibility and practicality of the equipment are enhanced and the clamping and hemostasis effect of the lesions is enhanced.
Patent Information
- Application Number
- CN202420468970.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-03-12
AI Technical Summary
The existing clamping forceps have a simple structure, which is inconvenient to adjust the bending angle of the forceps head in the patient's body, resulting in poor flexibility.
A joint mechanism with adjustable clamping head angle including a gripping mechanism, a bending mechanism, an adjustment mechanism and a support mechanism is designed. The bending angle of the clamping head is adjusted through the adjustment mechanism to improve the flexibility and practicality of the equipment. .
By adjusting the bending angle of the forceps, the lesions can be more accurately aligned, improving the flexibility and practicality of the equipment, and enhancing the clamping and hemostasis effect on the patient's lesions.
Smart Images

Figure CN222426118U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clip applicators, in particular to a joint mechanism capable of adjusting the angle of a clamp head of the clip applicator. Background Art
[0002] A clip applier is a medical tool, usually made of materials such as stainless steel. The clamping force is controlled by a handle to facilitate doctors to perform precise operations. Existing clip appliers, such as a medical scissors-like clip applier disclosed in the utility model patent with application number 201922053668.3 and a clip applier disclosed in the utility model patent with application number 202122532933.3, can both clamp target tissues, blood vessels or hemostatic clips.
[0003] However, it was found during use that the existing clamps have a relatively simple structure and are not convenient for adjusting the bending angle of the clamp head in the patient's body, resulting in poor flexibility of the existing clamps. Therefore, a joint mechanism with an adjustable clamp head angle is urgently needed to improve the above problem. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a joint mechanism with adjustable clamp head angle, which is used by medical personnel to hold a holding mechanism to insert the clamp head into the patient's body, and then adjust the bending angle of the clamp head according to the situation inside the patient's body, so that the clamp head is aligned with the lesion. The medical personnel then provides closing power to the clamp head through the holding mechanism to close the clamp head and clamp the lesion of the patient, or fix the hemostatic clip at the corresponding position in the patient's body, thereby improving the flexibility and practicality of the equipment.
[0005] The utility model discloses a joint mechanism for adjusting the angle of the clamp head of a clamp applicator, comprising a holding mechanism, a bending mechanism, an adjusting mechanism and a supporting mechanism, wherein the supporting mechanism is installed on the holding mechanism, and the adjusting mechanism and the bending mechanism are both installed on the supporting mechanism;
[0006] The holding mechanism provides power for the bending mechanism, the adjusting mechanism adjusts the bending angle of the bending mechanism, and the supporting mechanism supports the bending mechanism;
[0007] The bending mechanism comprises a clamp head and a transmission mechanism, wherein the transmission mechanism is mounted on the supporting mechanism, and the clamp head is mounted on the transmission mechanism;
[0008] The medical staff holds the gripping mechanism and inserts the clamp head into the patient's body. Then, according to the patient's internal condition, the adjustment mechanism adjusts the bending angle of the clamp head to align the clamp head with the lesion. The medical staff then provides closing power to the clamp head through the gripping mechanism to close the clamp head and clamp the patient's lesion, or fix the hemostatic clip at the corresponding position in the patient's body, thereby improving the flexibility and practicality of the device.
[0009] The medical staff holds the holding mechanism to insert the forceps head into the patient's body, and then adjusts the bending angle of the forceps head by the adjusting mechanism according to the situation inside the patient's body, so that the forceps head is aimed at the lesion. The medical staff then provides closing power to the forceps head through the holding mechanism to close the forceps head, clamp the patient's lesion, or fix the hemostatic clip at the corresponding position in the patient's body, thereby improving the flexibility and practicality of the equipment.
[0010] Preferably, the transmission mechanism includes a push-pull plate and a pull tube, the right end of the pliers head is rotatably mounted on the supporting mechanism, the push-pull plate and the pull tube are both installed in the supporting mechanism, and one end of the push-pull plate is installed on the pliers head; mechanical force is applied to the pull tube through the adjusting mechanism, so that the push-pull plate drives the pliers head to bend, and the bending angle of the pliers head is adjusted, thereby improving the practicability of the equipment.
[0011] Preferably, the adjustment mechanism includes a large rotating wheel and a small rotating wheel, both of which are installed on the supporting mechanism, the right end of the small rotating wheel is installed on the holding mechanism, and the large rotating wheel is threadedly connected to the pull tube; by rotating the small rotating wheel, the supporting mechanism drives the pliers head to rotate, and the horizontality of the pliers head is adjusted, and by rotating the large rotating wheel, the pull tube moves to the left or right, and the curvature of the pliers head is adjusted, thereby improving the practicability of the equipment.
[0012] Preferably, the supporting mechanism includes an outer tube, which is installed on a small rotating wheel, and a reserved hole is provided on the right part of the outer tube, the push-pull plate and the pull tube are both located in the middle part of the outer tube, and the right end of the clamp head is rotatably installed on the left end of the outer tube; the clamp head, the push-pull plate and the pull tube are supported by the outer tube, thereby improving the stability of the equipment.
[0013] Preferably, the holding mechanism includes a fixed handle, a movable handle and a push rod, the small rotating wheel is rotatably mounted on the fixed handle, the movable handle is mounted on the fixed handle, the push rod is mounted in the outer tube, and one end of the push rod is mounted on the movable handle, and the other end of the push rod is mounted on the clamp head; the medical staff closes the clamp head by holding the fixed handle and the movable handle and opens the clamp head by loosening the fixed handle and the movable handle and transmitting the forceps through the push rod, thereby improving the practicability of the equipment.
[0014] Preferably, the movable handle is an annular structure, which facilitates medical personnel to pass their fingers through the movable handle, thereby improving the convenience and stability of holding the fixed handle and the movable handle.
[0015] Preferably, a clamping groove is provided in the middle of the clamp head, which facilitates the clamp head to clamp the hemostatic clip, thereby improving the practicability of the device.
[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the medical staff holds the holding mechanism to insert the forceps head into the patient's body, and then adjusts the bending angle of the forceps head by the adjustment mechanism according to the situation inside the patient's body, so that the forceps head is aimed at the lesion. The medical staff then provides closing power to the forceps head through the holding mechanism to close the forceps head, clamp the patient's lesion, or fix the hemostatic clip at the corresponding position in the patient's body, thereby improving the flexibility and practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the axonometric cross-section structure of the utility model;
[0019] Figure 3 This utility model Figure 2 A schematic diagram of the enlarged structure of part A;
[0020] Figure 4 It is an axonometric enlarged schematic diagram of the holding mechanism and the adjusting mechanism of the utility model.
[0021] Markings in the attached figure: 1, pliers head; 2, push-pull piece; 3, pull tube; 4, large rotating wheel; 5, small rotating wheel; 6, outer tube; 7, fixed handle; 8, movable handle; 9, push rod; 10, slot. DETAILED DESCRIPTION
[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example
[0023] like Figures 1 to 4 As shown, it includes a holding mechanism; it also includes a bending mechanism, an adjusting mechanism and a supporting mechanism, the supporting mechanism is installed on the holding mechanism, and the adjusting mechanism and the bending mechanism are both installed on the supporting mechanism;
[0024] The holding mechanism provides power for the bending mechanism, the adjusting mechanism adjusts the bending angle of the bending mechanism, and the supporting mechanism supports the bending mechanism;
[0025] The bending mechanism comprises a clamp head 1 and a transmission mechanism, the transmission mechanism is mounted on the supporting mechanism, and the clamp head 1 is mounted on the transmission mechanism;
[0026] The medical staff holds the holding mechanism and extends the forceps head 1 into the patient's body. Then, according to the situation in the patient's body, the adjustment mechanism adjusts the bending angle of the forceps head 1 so that the forceps head 1 is aligned with the lesion. The medical staff then provides closing power to the forceps head 1 through the holding mechanism to close the forceps head 1, clamp the lesion of the patient, or fix the hemostatic clip at the corresponding position in the patient's body, thereby improving the flexibility and practicality of the device.
[0027] The transmission mechanism includes a push-pull piece 2 and a pull tube 3. The right end of the pliers head 1 is rotatably mounted on the support mechanism. The push-pull piece 2 and the pull tube 3 are both mounted in the support mechanism, and one end of the push-pull piece 2 is mounted on the pliers head 1.
[0028] The adjustment mechanism includes a large rotating wheel 4 and a small rotating wheel 5, both of which are mounted on the supporting mechanism, the right end of the small rotating wheel 5 is mounted on the holding mechanism, and the large rotating wheel 4 is threadedly connected to the pull tube 3;
[0029] The support mechanism includes an outer tube 6, which is mounted on the small rotating wheel 5, and a reserved hole is provided at the right part of the outer tube 6, the push-pull sheet 2 and the pull tube 3 are both located in the middle part of the outer tube 6, and the right end of the clamp head 1 is rotatably mounted on the left end of the outer tube 6;
[0030] The holding mechanism comprises a fixed handle 7, a movable handle 8 and a push rod 9, the small rotating wheel 5 is rotatably mounted on the fixed handle 7, the movable handle 8 is mounted on the fixed handle 7, the push rod 9 is mounted in the outer tube 6, and one end of the push rod 9 is mounted on the movable handle 8, and the other end of the push rod 9 is mounted on the pliers head 1;
[0031] The movable handle 8 is an annular structure; a slot 10 is provided in the middle of the pliers head 1;
[0032] The medical staff closes the forceps head 1 by holding the fixed handle 7 and the movable handle 8, and then extends the forceps head 1 into the patient's body. The medical staff rotates the small rotating wheel 5 to make the supporting mechanism drive the forceps head 1 to rotate, and adjusts the horizontality of the forceps head 1. The medical staff rotates the large rotating wheel 4 to move the pull tube 3 to the left or right, and adjusts the curvature of the forceps head 1 so that the forceps head 1 is aligned with the lesion. The medical staff then loosens the fixed handle 7 and the movable handle 8, and then opens the forceps head 1 by the push rod 9. The medical staff then holds the fixed handle 7 and the movable handle 8 again, so that the forceps head 1 clamps the patient's lesion, or makes the forceps head 1 clamp the hemostatic clip, and then extends the forceps head 1 into the patient's body, fixes the hemostatic clip to the corresponding position in the patient's body through the forceps head 1, and stops bleeding.
[0033] The outer tube 6 is provided with a guide mechanism inside to guide the pull tube 3, prevent the pull tube 3 from rotating, and facilitate the lateral movement of the pull tube 3; the fixed handle 7, movable handle 8 and push rod 9 of the joint mechanism of the adjustable clamp head angle of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.
[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A joint mechanism for adjusting the angle of the clamp head of a clamp applicator, comprising a gripping mechanism; characterized in that: It also includes a bending mechanism, an adjusting mechanism and a supporting mechanism, wherein the supporting mechanism is mounted on the holding mechanism, and the adjusting mechanism and the bending mechanism are both mounted on the supporting mechanism; The holding mechanism provides power for the bending mechanism, the adjusting mechanism adjusts the bending angle of the bending mechanism, and the supporting mechanism supports the bending mechanism; The bending mechanism comprises a clamp head (1) and a transmission mechanism, wherein the transmission mechanism is mounted on the support mechanism, and the clamp head (1) is mounted on the transmission mechanism.
2. A joint mechanism for adjusting the angle of the clamp head of a clamp applicator according to claim 1, characterized in that: The transmission mechanism comprises a push-pull sheet (2) and a pull tube (3); the right end of the pliers head (1) is rotatably mounted on the support mechanism; the push-pull sheet (2) and the pull tube (3) are both mounted in the support mechanism; and one end of the push-pull sheet (2) is mounted on the pliers head (1).
3. A joint mechanism for adjusting the angle of the clamp head of a clamp applicator as claimed in claim 2, characterized in that: The adjustment mechanism comprises a large rotating wheel (4) and a small rotating wheel (5), both of which are mounted on a supporting mechanism, the right end of the small rotating wheel (5) is mounted on a holding mechanism, and the large rotating wheel (4) is threadedly connected to the pull tube (3).
4. A joint mechanism for adjusting the angle of the clamp head of a clamp applicator as claimed in claim 3, characterized in that: The support mechanism comprises an outer tube (6), the outer tube (6) is mounted on the small rotating wheel (5), and a reserved hole is provided at the right part of the outer tube (6), the push-pull sheet (2) and the pull tube (3) are both located in the middle part of the outer tube (6), and the right end of the clamp head (1) is rotatably mounted on the left end of the outer tube (6).
5. A joint mechanism for adjusting the angle of the clamp head of a clamp applicator as claimed in claim 4, characterized in that: The holding mechanism comprises a fixed handle (7), a movable handle (8) and a push rod (9), the small rotating wheel (5) is rotatably mounted on the fixed handle (7), the movable handle (8) is mounted on the fixed handle (7), the push rod (9) is mounted in the outer tube (6), one end of the push rod (9) is mounted on the movable handle (8), and the other end of the push rod (9) is mounted on the pliers head (1).
6. A joint mechanism for adjusting the angle of the clamp head of a clamp applicator as claimed in claim 5, characterized in that: The movable handle (8) is a ring-shaped structure.
7. A joint mechanism for adjusting the angle of the clamp head of a clamp applicator as claimed in claim 1, characterized in that: A clamping slot (10) is provided in the middle of the pliers head (1).
Citation Information
Patent Citations
Pair of medical scissors-shaped clip appliers
CN211325334U
Clip applier
CN216455168U
Cited By
Double-joint clip applier
CN120859594A