Digestive tract grasping forceps

Abstract

The utility model discloses a pair of digestive tract grasping forceps which comprises an outer tube, a push rod and a grasping group, the grabbing set comprises a plurality of grabbing plates rotationally installed at the end, away from the grip part, of the outer pipe, each grabbing plate is of an arc-shaped plate-shaped structure, each grabbing plate comprises a bent part and a straight part, and the straight parts and the bent parts are integrally formed to form a petal-shaped structure. When the grabbing plates are folded by the push rod, the ends, far away from the bent parts, of the grabbing plates can be tightly attached to one another. By arranging the grip part on the outer pipe, simple holding action can be achieved, operation is more convenient, by arranging the trigger, the effects of driving the push rod, fixing the position of the push rod and the like can be achieved more conveniently, by arranging the push rod, driving force can be transmitted, cleaning is easy, and by arranging the grasping set, the multiple grasping plates can form the surrounding effect; and a cladding effect can be achieved through the petal-shaped structure, so that the effect of cladding and taking out small and smooth foreign matters is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of digestive tract foreign body removal instruments, and more specifically, to a digestive tract grasping forceps. Background Art

[0002] Currently, patients who have swallowed foreign objects are often encountered in emergency departments. Most of the patients are children. When swallowing relatively smooth foreign objects such as glass beads and chess pieces, the existing endoscopic grasping forceps often slip and cannot grasp the foreign objects steadily, resulting in an embarrassing situation that is difficult to remove. The removal process is quite long and puts great psychological pressure on patients.

[0003] It is difficult to remove smooth foreign bodies in the stomach with existing gastroscopic forceps, and the removal process is time-consuming, which is a difficult problem in current clinical work. Utility Model Content

[0004] The utility model aims to provide a digestive tract grasping forceps which can grasp smooth and difficult-to-grasp foreign bodies.

[0005] The above technical purpose of the utility model is achieved through the following technical scheme: a digestive tract grasping forceps, comprising an outer tube, a push rod and a grasping group.

[0006] The outer tube is provided with channels penetrating at both ends along its axial direction, and a grip portion for a user to hold is provided at one end, the grip portion can at least accommodate a portion of the push rod, and the grip portion is provided with a trigger for driving the push rod.

[0007] The push rod is slidably arranged in the channel in the outer tube, and one end of the push rod close to the grip portion is drivingly connected to the trigger, and one end of the push rod away from the grip portion is connected to the grip group.

[0008] The gripping group includes a plurality of gripping plates rotatably mounted on one end of the outer tube away from the handle portion, the gripping plates are arc-shaped plate structures, the gripping plates include a curved portion and a straight portion, the straight portion and the curved portion are integrally formed into a petal-shaped structure, and when the plurality of gripping plates are closed by a push rod, the ends of the plurality of gripping plates away from the curved portions can be tightly attached to each other.

[0009] By arranging a handle on the outer tube, a simple gripping action can be achieved, which is more convenient for operation. By setting the trigger, it is easier to drive the push rod, fix the push rod position and other effects. By setting the push rod, the driving force can be transmitted and it is simple and easy to clean. By setting the gripping group, several gripping plates can form an encirclement effect, and the petal-shaped structure can form a covering effect, thereby forming an effect of covering and removing smaller and smoother foreign objects.

[0010] The utility model is further configured that: one end of the curved portion away from the straight portion is a pointed portion.

[0011] The arrangement of the curved portion and the pointed portion can ensure that no closing gap or mis-grasping occurs after the plurality of gripping plates are closed.

[0012] The utility model is further configured as follows: a first fixing portion is arranged on a side of the straight portion away from the curved portion, and a second fixing portion is arranged on a side of the straight portion close to the first fixing portion and away from the tip of the curved portion.

[0013] The provision of the first fixing portion and the second fixing portion can ensure that two fixing positions are provided for the grab plate.

[0014] The utility model is further configured as follows: a plurality of pushing parts are arranged on an end surface of the push rod away from the handle part, corresponding to the plurality of grab plates.

[0015] The correspondingly arranged pushing part and grabbing plate can make the installation of the two parts more convenient.

[0016] The utility model is further configured as follows: the first fixing parts arranged on the plurality of grab plates are hingedly connected with the plurality of pushing parts in a one-to-one correspondence.

[0017] The basic pushing motion process can only be achieved through the articulated setting, which is also the most reliable process for moving the gripper.

[0018] The utility model is further configured as follows: the first fixing portion and the pushing portion are hinged via a connecting rod.

[0019] The connecting rod arrangement can reduce the volume of the device and can also provide the driving capability of the grab plate for the non-displaceable pushing portion.

[0020] The utility model is further configured as follows: the grab plate is provided with a plurality of through holes arranged in an array.

[0021] By arranging a plurality of through holes on the grasping plate, the interference of body fluids can be better filtered out when taking out foreign objects, thereby preventing the inability to stably grasp, hold, or frame the foreign objects due to the presence of body fluids.

[0022] The utility model is further configured as follows: one end of the push rod close to the trigger is provided with a tooth groove for engaging with the trigger, and one end of the trigger close to the push rod is provided with a tooth portion corresponding to the tooth groove.

[0023] The arrangement of the tooth grooves and the teeth can form a power connection between the trigger and the push rod, and the gear-shaped power connection has a very good feedback feel.

[0024] The utility model is further configured as follows: a ring hole is provided on the trigger.

[0025] The ring hole can be provided to make it more convenient for users to hold the device in hand and prevent it from slipping out of their hands.

[0026] In summary, the utility model has the following beneficial effects:

[0027] 1. The outer tube is provided with a handle to achieve a simple gripping action, which is more convenient for operation;

[0028] 2. The trigger setting can make it easier to drive the push rod, fix the push rod position, etc.

[0029] 3. The push rod can transmit driving force and is simple and easy to clean;

[0030] 4. Through the setting of the gripping group, several gripping plates can form a surrounding effect;

[0031] 5. The petal-shaped structure can form a covering effect, thereby covering and removing smaller and smoother foreign objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a stereoscopic diagram of the digestive tract grasping forceps in the embodiment of the utility model;

[0033] Figure 2 In the present utility model embodiment Figure 1 A cross-sectional view of

[0034] Figure 3 is a three-dimensional diagram of a grab plate in an embodiment of the utility model;

[0035] Figure 4 is a three-dimensional diagram of another viewing angle of the grab plate in the embodiment of the utility model;

[0036] Figure 5 In the present utility model embodiment Figure 2 A in the enlarged view;

[0037] Figure 6 In the present utility model embodiment Figure 1 The enlarged image after rotation at point B.

[0038] In the figure:

[0039] 1. outer tube; 11. U-shaped groove; 12. mounting portion; 13. grip portion; 14. trigger; 141. ring hole; 142. tooth portion;

[0040] 2. push rod; 21. tooth groove; 22. pushing part; 23. connecting rod;

[0041] 3. Grab plate; 31. Bend portion; 32. Straight portion; 33. First fixing portion; 34. Second fixing portion. DETAILED DESCRIPTION

[0042] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0043] It should be noted that if the terms "first", "second", etc. are involved in the specification and claims of the utility model and the above-mentioned drawings, they are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the utility model described here.

[0044] In addition, when the terms "include" and "have" and any variations thereof are referred to, they are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0045] In addition, in the present invention, the terms "installation", "setting", "provided with", "connection", "connected", "socketing" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0046] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0047] The following is combined with Figure 1-5 The utility model is described in further detail.

[0048] Example 1

[0049] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a digestive tract grasping forceps comprises an outer tube 1, a push rod 2 and a grasping group.

[0050] The outer tube 1 is provided with a passage passing through both ends along its axial direction, and a grip portion 13 for a user to hold is provided at one end. The grip portion 13 can at least accommodate a portion of the push rod 2 , and a trigger 14 for driving the push rod 2 is provided on the grip portion 13 .

[0051] The trigger 14 is provided with a ring hole 141 ; the ring hole 141 can be provided to facilitate the user to hold the trigger 14 in hand for more convenience and prevent the user from slipping out of the hand.

[0052] The push rod 2 is slidably disposed in the channel in the outer tube 1 , and one end of the push rod 2 close to the grip portion 13 is drivingly connected to the trigger 14 , and one end of the push rod 2 away from the grip portion 13 is connected to the gripping group.

[0053] A plurality of pushing parts 22 are arranged on the end surface of the push rod 2 away from the gripping part 13 corresponding to the plurality of grabbing plates 3; the correspondingly arranged pushing parts 22 and grabbing plates 3 can make the installation of the two more convenient.

[0054] One end of the push rod 2 close to the trigger 14 is provided with a tooth groove 21 for engaging with the trigger 14, and the end of the trigger 14 close to the push rod 2 is provided with a tooth portion 142 corresponding to the tooth groove 21; through the arrangement of the tooth groove 21 and the tooth portion 142, a power connection can be formed between the trigger 14 and the push rod 2, and the gear-shaped power connection has a very good feel feedback.

[0055] The gripping group includes a plurality of gripping plates 3 rotatably mounted on the outer tube 1 at one end away from the gripping portion 13. The gripping plates 3 are arc-shaped plate-like structures. The gripping plates 3 include a curved portion 31 and a straight portion 32. The straight portion 32 and the curved portion 31 are integrally formed to form a petal-shaped structure. When the plurality of gripping plates 3 are closed by the push rod 2, the ends of the plurality of gripping plates 3 away from the curved portions 31 can be closely attached to each other. By arranging the gripping portion 13 on the outer tube 1, a simple gripping action can be achieved, which is more convenient for operation. By arranging the trigger 14, it is easier to achieve the effects of driving the push rod 2, fixing the position of the push rod 2, etc. The push rod 2 can transmit driving force, which is simple and easy to clean. By arranging the gripping group, the plurality of gripping plates 3 can form an encirclement effect, and the petal-shaped structure can form a covering effect, thereby forming a covering and removing effect for smaller and smoother foreign objects.

[0056] The end of the curved portion 31 away from the straight portion 32 is a pointed portion; the arrangement of the curved portion 31 and the pointed portion can ensure that there will be no closing gap or mis-grasping after the plurality of gripping plates 3 are closed.

[0057] A first fixing portion 33 is provided on the side of the straight portion 32 away from the curved portion 31, and a second fixing portion 34 is provided on the side of the straight portion 32 close to the first fixing portion 33 and away from the tip of the curved portion 31; the first fixing portion 33 and the second fixing portion 34 are provided to ensure that two fixing positions are provided for the grab plate 3.

[0058] The first fixing parts 33 provided on the plurality of gripping plates 3 are hinged to the plurality of pushing parts 22 in a one-to-one correspondence; the basic pushing movement process can be realized through the hinged setting, which is also the most reliable process for moving the gripping plates 3 .

[0059] The first fixing portion 33 and the pushing portion 22 are hingedly connected via a connecting rod 23 ; the connecting rod 23 can reduce the volume of the device and can also provide the pushing portion 22 that cannot be displaced with the ability to drive the grab plate 3 .

[0060] The grasping plate 3 is provided with a plurality of through holes arranged in an array; the grasping plate 3 is provided with a plurality of through holes, so that the interference of body fluids can be better filtered out when taking out foreign objects, and the foreign objects can be prevented from being stably grasped, trapped, or framed due to the presence of body fluids.

[0061] Example 2

[0062] The difference between Example 2 and Example 1 is that:

[0063] In order to facilitate the disassembly of the push rod 2, a flat opening (not shown in the figure) is provided at one end of the push rod 2 away from the grab plate 3, and the flat opening is located on the side of the push rod 2 away from the tooth groove 21.

[0064] In order to facilitate the user to hold, a plurality of finger grooves are provided on the handle portion 13 to facilitate holding.

[0065] Example 3

[0066] The difference between Example 3 and Example 1 is that:

[0067] In order to prevent the multiple gripping plates 3 from interfering with each other when closing and opening, Figure 1 As shown, the mounting end of the gripping plate 3 of the outer tube 1 is provided with a plurality of mounting portions 12, and a U-shaped groove 11 is provided between each two mounting portions 12. The U-shaped groove 11 is shown in the figure and can be understood as being used to prevent movement interference from occurring in the gap between two adjacent gripping plates 3.

[0068] Working principle: first, the user holds the grip portion 13, inserts the index finger into the ring hole 141, and then squeezes the trigger 14, the push rod 2 is pushed away from the grip portion 13, the pushing portion 22 pushes the connecting rod 23, the connecting rod 23 pushes the first fixing portion 33, the grab plate 3 opens around the second fixing portion 34 and spreads out like petals, and the opposite is true when it is closed.

[0069] It should be noted that all features disclosed in this specification, or steps in all methods or processes disclosed, except for mutually exclusive features and / or steps, can be combined in any manner.

[0070] In addition, the above specific embodiments are exemplary, and those skilled in the art can come up with various solutions inspired by the disclosure of the utility model, and these solutions also belong to the disclosure scope of the utility model and fall within the protection scope of the utility model. Those skilled in the art should understand that the utility model specification and its drawings are illustrative and do not constitute a limitation of the claims. The protection scope of the utility model is defined by the claims and their equivalents.

Claims

1. A digestive tract grasping forceps, characterized in that: include: The outer tube (1) is provided with a passage extending through both ends along its axial direction, and a grip portion (13) for a user to hold is provided at one end, the grip portion (13) can accommodate at least a portion of the push rod (2), and a trigger (14) for driving the push rod (2) is provided on the grip portion (13); A push rod (2) is slidably disposed in a channel in the outer tube (1), and one end of the push rod (2) close to the grip portion (13) is drivingly connected to the trigger (14), and one end of the push rod (2) away from the grip portion (13) is connected to the gripping group; The gripping group comprises a plurality of gripping plates (3) rotatably mounted on the outer tube (1) at one end away from the gripping portion (13); the gripping plates (3) are arc-shaped plate-like structures; the gripping plates (3) comprise a curved portion (31) and a straight portion (32); the straight portion (32) and the curved portion (31) are integrally formed to form a petal-shaped structure; when the plurality of gripping plates (3) are closed by the push rod (2), the ends of the plurality of gripping plates (3) away from the curved portion (31) can be closely attached to each other.

2. A digestive tract grasping forceps according to claim 1, characterized in that: One end of the curved portion (31) away from the straight portion (32) is a pointed portion.

3. A digestive tract grasping forceps according to claim 2, characterized in that: A first fixing portion (33) is provided on a side of the straight portion (32) away from the curved portion (31), and a second fixing portion (34) is provided on a side of the straight portion (32) close to the first fixing portion (33) and away from the tip of the curved portion (31).

4. A digestive tract grasping forceps according to claim 3, characterized in that: A plurality of pushing portions (22) are provided on an end surface of the push rod (2) away from the grip portion (13) and corresponding to the plurality of grab plates (3).

5. The digestive tract grasping forceps according to claim 4, characterized in that: The first fixing parts (33) arranged on the plurality of grab plates (3) are hingedly connected to the plurality of pushing parts (22) in a one-to-one correspondence.

6. The digestive tract grasping forceps according to claim 5, characterized in that: The first fixing portion (33) and the pushing portion (22) are hingedly connected via a connecting rod (23).

7. The digestive tract grasping forceps according to claim 1, characterized in that: The grab plate (3) is provided with a plurality of through holes arranged in an array.

8. The digestive tract grasping forceps according to claim 1, characterized in that: One end of the push rod (2) close to the trigger (14) is provided with a tooth groove (21) for engaging with the trigger (14), and one end of the trigger (14) close to the push rod (2) is provided with a tooth portion (142) corresponding to the tooth groove (21).

9. The digestive tract grasping forceps according to claim 8, characterized in that: The trigger (14) is provided with a ring hole (141).

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