CN213910335U - Retracting retractor - Google Patents

Abstract

The utility model discloses a retractable drag hook in the field of research instruments for animal experiment surgery can only pull open fixed drawback through the contact gib head in order to solve the range that scientific research personnel adjusted the drag hook and pull open in the current research. In order to realize above-mentioned purpose this technical scheme including stretching into the hook body of experimental animals pleuroperitoneal cavity and the fixing device of contact operation mesa, be connected with the transition pole between hook body and the fixing device, the cross section of hook body is the rectangle, the hook body include with experimental animals pleuroperitoneal cavity coincidence rise the portion with be connected the back shape portion of transition pole, rise the portion and return and adopt circular arc transitional coupling between the shape portion, be CN 202437388U's prior art for the bulletin number, increased the transition pole among this technical scheme, be convenient for the researcher through the transition pole and hold between the fingers and hold width and length in order to adjust traction.

Description

Retracting retractor

Technical Field

The utility model belongs to animal experiment surgery research apparatus field specifically is an animal chest abdomen wall pull-open drag hook.

Background

Animal experimental surgery is a 'bridge' connecting basic medicine and clinical surgery, and is the basis and the lead of the innovation and development of surgery, and the animal experimental surgery takes major diseases in clinical surgery as main research contents, aims to discuss biological characteristics and disease characteristics of different species of animals, performs analog research on the biological characteristics and disease characteristics of human beings, obtains a rule, further promotes the human beings, explores the mysteries of human life, controls the diseases and aging of the human beings, and prolongs the life of the human beings.

However, the experimental animal has small volume, narrow pleuroperitoneal cavity, poor tolerance, delicate organs and great technical difficulty. When the chest and abdominal cavity are opened, if the traction is insufficient, the operation visual field is not exposed well, and the operation of an operator is inconvenient, so that the research fails; if the animal is excessively pulled, the breathing of the animal is inhibited, organ tissues are damaged, the hemodynamics is changed, and the experimental animal cannot tolerate the excessive pulling, so that the research fails. In order to make the pleuroperitoneal cavity traction appropriate, researchers use the draw hook during work, but the hook head of the used draw hook is relatively sharp, the traction amplitude is limited, the adjustment is complicated, and the influence on organ tissues, blood flow of blood vessels and operation is easy to cause, so that the existing draw hook structure needs to be further improved.

The technical scheme of the prior art with the publication number of CN202437388U discloses a drag hook for the expansion of the thoracic cavity and abdominal cavity of a rat, the drag hook comprises a drag hook body and a pull wire, the drag hook body is a structure formed by bending one end of the drag hook body on the basis of a long annular body, the bent end of the drag hook body is a hook head, and the other end of the drag hook body is a hook handle; the pull wire is connected with the hook handle.

Although the technical scheme adopts the technology of the clip hook head, the internal organs and tissues are prevented from being damaged by the hook head, the technical researchers can only pull and fix the hook head through contacting the hook head when adjusting the pulling distance of the drag hook, the probability of infection in an experimental animal body is increased, and the ribs of the experimental animal easily stab the fingers of operators in the pulling process.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a pull-out type drag hook avoids operating personnel direct contact gib head to pull open when the operation, promotes the security of operation.

In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a retracting drag hook, is connected with the transition pole including stretching into the coupler body of experimental animals pleuroperitoneal cavity and the fixing device of contact operation mesa between coupler body and the fixing device, the cross section of coupler body is the rectangle, the coupler body include with animal pleuroperitoneal cavity coincidence rise the portion with be connected the portion of returning the shape of transition pole, rise the portion and return and adopt circular arc transitional coupling between the portion of returning the shape.

The technical principle is as follows: after splitting the experimental animal pleuroperitoneal cavity, respectively placing the upwarping parts of the two drag hooks in the animal left side pleuroperitoneal cavity and the animal right side pleuroperitoneal cavity, immersing the upwarping parts into the rat pleuroperitoneal cavity at the moment, enabling the circular arcs between the upwarping parts and the clip parts to abut against the rib parts of the animal pleuroperitoneal cavity, and fixing the fixing device when a researcher pinches the transition rod to pull the animal pleuroperitoneal cavity to a required position to finish the pulling of the animal pleuroperitoneal cavity.

After the scheme is adopted, the following beneficial effects are realized: 1. for the prior art who adopts built-in drag hook, utilize the drag hook of mutual interval to carry out the formula of expanding outward among this technical scheme and pull, fully expose animal pleuroperitoneal cavity field of vision, avoided pulling the inside shelter from of drag hook to animal pleuroperitoneal cavity.

2. Compared with the prior art with the publication number of CN202437388U, the transition rod is added in the technical scheme, so that a researcher can conveniently pinch and infinitely adjust the width and the length of traction.

3. Compared with the prior art adopting the transition rod, the technical scheme has the advantages that the arc transition connection is utilized, the arc part is convenient to be attached to the chest and abdomen wall of the animal, the contact area of the traction device and the chest and abdomen wall is increased, the traction stability is enhanced, the compression of the contact surface is reduced, and the optimal exposure of the operation and the animal ethical morality are ensured.

Further, the transition rod and the clip part are manufactured integrally, the overlapping part of the clip part and the transition rod is bent, the bent part of the clip part wraps the transition rod, one end of the transition rod is connected with the clip part, the other end of the transition rod is turned over to form a closed ring, and the ring is connected with the fixing device.

Has the advantages that: 1. for the prior art of increase pleuroperitoneal cavity contact surface, utilize the department of buckling parcel transition pole among this technical scheme, limited the swing range of transition pole, strengthened the overall stability of device.

2. Compared with the prior art with enhanced stability, the technical scheme is connected with the fixing device through the circular ring, and the fixing device can slide in the inner arc part of the circular ring conveniently to realize the adjusting function.

Furthermore, the fixing device comprises an elastic rubber lacing wire, and one end of the elastic rubber lacing wire is tied at the circular ring.

Has the advantages that: when the rubber lacing wire is used as the fixing device in the technical scheme, the rubber lacing wire can be pulled at any position through fingers to adjust the stretched length of the rubber lacing wire and the ring, and then the rubber lacing wire and the desktop are bonded through the adhesive tape to realize fixation.

Furthermore, the fixing device comprises a supporting rod hinged to the transition rod, a closed ring is arranged at the joint of the supporting rod and the circular ring, the closed ring and the circular ring are compressed, and a negative pressure sucking disc is bonded at one end, far away from the circular ring, of the supporting rod.

Has the advantages that: 1. compared with the prior art adopting the rubber lacing wire, the rubber lacing wire is fixed by utilizing the sucker in the technical scheme, the rubber lacing wire is prevented from lifting the adhesive tape or separating from the adhesive tape in the bonding range due to the self-telescopic performance, and the stability is improved.

2. Compared with the prior art adopting a sucker, the technical scheme has the advantages that the pressing effect of the circular ring and the closing ring (similar to a key and a key ring) is utilized, and the position of the supporting rod is convenient to adjust.

Furthermore, the upper surface of the negative pressure sucker is communicated with an air pipe, two ends of the air pipe are provided with openings, and the surface of the air pipe is covered with a spiral cover.

Has the advantages that: compared with the prior art with the negative pressure sucker, the technical scheme has the advantages that the air pipe is utilized to blow the negative pressure sucker, so that the negative pressure is conveniently relieved.

Furthermore, the surface of the air pipe is processed with threads, the inner part of the screw cap is processed with thread grooves, the thread grooves are matched with the thread shapes, and the air pipe is in threaded connection with the screw cap.

Has the advantages that: through the mode of can dismantling the connection, be favorable to getting of spiral cover to put.

Furthermore, a pull wire is connected between the spiral cover and the air pipe.

Has the advantages that: the loss of the screw cap is avoided.

Further, the pattern of the circular ring is the same as that of the clip.

Has the advantages that: the clamping efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a structural view of the third embodiment.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the hook comprises a hook body 1, an upwarping part 1a, a clip part 1b, an rubber lacing wire 2, a transition rod 3, a circular ring 4, a support rod 5, a closed ring 6, a negative pressure suction cup 7, an air pipe 8, a spiral cover 9 and a stay wire 10.

Example one

The embodiment is basically as shown in the attached figure 1: the utility model provides a retractor type drag hook is including stretching into the coupler body 1 of experimental animals pleuroperitoneal cavity and the fixing device of contact table operation mesa, and fixing device includes rubber lacing wire 2, is connected with transition pole 3 between coupler body 1 and the fixing device, and the cross section of coupler body 1 is the rectangle, and coupler body 1 includes the portion 1a that upwarps with rat pleuroperitoneal cavity coincidence and the portion 1b that returns of connecting transition pole 3, upward stick up portion 1a and return and adopt circular arc transitional coupling between the portion 1b that appears.

Transition pole 3 and time shape portion 1b integrated manufacturing, the coincidence department of time shape portion 1b and transition pole 3 is buckled, and the part that time shape portion 1b is buckled wraps up transition pole 3, is connected between the one end of transition pole 3 and time shape portion 1b, and the other end of transition pole 3 is turned over and forms closed ring 4, and the one end of rubber lacing wire 2 is in ring 4 department.

The specific implementation process is as follows: A. in the actual operation process, a researcher firstly splits the pleuroperitoneal cavity of the experimental animal, then the upwarping parts 1a of the two drag hooks are respectively placed on the left pleuroperitoneal cavity and the right pleuroperitoneal cavity of the experimental animal, then the upwarping parts 1a are immersed into the pleuroperitoneal cavity of the animal, the circular arcs between the upwarping parts 1a and the clip parts 1b are abutted against the extended line of the center of the operation visual field of the pleuroperitoneal wall of the animal, and then the researcher pinches the transition rod 3 to drag the pleuroperitoneal cavity of the animal to the required position.

B. When fixing measures are needed, researchers can pull any position of the rubber lacing wire 2 through fingers to adjust the stretched length of the rubber lacing wire 2 and the ring 4, and then the rubber lacing wire 2 and the operation table top are bonded through the adhesive tape to achieve fixing.

Example two

Referring to fig. 2, the difference between the first embodiment and the second embodiment is that the fixing device includes a supporting rod 5 hinged to the transition rod 3, a closing ring 6 is provided at the joint of the supporting rod 5 and the ring 4, the closing ring 6 and the ring 4 are compressed, and a negative pressure suction cup 7 is bonded to one end of the supporting rod 5 away from the ring 4.

Referring to fig. 3, the upper surface of the negative pressure suction cup 7 is communicated with an air tube 8, both ends of the air tube 8 are provided with openings, the surface of the air tube 8 is covered with a screw cap 9, a pull wire 10 is connected between the screw cap 9 and the air tube 8, the surface of the air tube 8 is processed with threads, a thread groove is processed inside the screw cap 9, the thread groove is matched with the thread shape, and the air tube 8 is in threaded connection with the screw cap 9.

The specific implementation process is that the traction operation of a researcher on the pleuroperitoneal cavity of the experimental animal is the same as the part A of the first embodiment, and the difference between the first embodiment and the first embodiment is in the fixing operation stage.

When a fixing measure is needed, a person firstly slides the closing ring 6 on the surface of the circular ring 4 to be used for the relative position between the circular ring 4 and the closing ring 6, the height of the supporting rod 5 which is integrally manufactured with the closing ring 6 from the table top is changed due to the change of the relative position, and when the position is adjusted to a proper position, a researcher presses the negative pressure sucker 7 on the table top to suck, so that the fixing effect is achieved, and the screwing cover 9 is tightly connected with the air pipe 8.

When the fixation needs to be released, a person opens the screw cap 9, and the researcher can blow air into the air tube 8 to release the negative pressure.

EXAMPLE III

The present embodiment differs from the above embodiments in that the ring 4 is of the same design as a paperclip. The clamping stability is convenient to promote and the flexibility of different specifications elastic ropes is convenient to replace.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (8)

1. A retracting retractor is characterized in that: including stretching into hook body (1) of animal pleuroperitoneal cavity and the fixing device of contact operation mesa, be connected with transition pole (3) between hook body (1) and the fixing device, the cross section of hook body (1) is the rectangle, and hook body (1) includes the portion of warping upward (1a) and the shape portion of returning (1b) of being connected transition pole (3) with animal pleuroperitoneal cavity coincidence, upward stick up portion (1a) and return and adopt circular arc transitional coupling between shape portion (1 b).

2. The retractor according to claim 1, wherein: transition pole (3) and time shape portion (1b) integrated manufacturing, the coincidence department of returning shape portion (1b) and transition pole (3) buckles, returns the part parcel transition pole (3) that shape portion (1b) was buckled, the one end of transition pole (3) with return and be connected between shape portion (1b), the other end of transition pole (3) is turned over and form closed ring (4), ring (4) are connected with fixing device.

3. The retractor according to claim 2, wherein: the fixing device comprises an eraser lacing wire (2), and one end of the eraser lacing wire (2) is tied at the position of the circular ring (4).

4. The retractor according to claim 2, wherein: the fixing device comprises a supporting rod (5) hinged to the transition rod (3), a closed ring (6) is arranged at the joint of the supporting rod (5) and the circular ring (4), the closed ring (6) and the circular ring (4) are pressed tightly, and a negative pressure sucker (7) is bonded at one end, far away from the circular ring (4), of the supporting rod (5).

5. The retractor according to claim 4, wherein: the upper surface of the negative pressure sucker (7) is communicated with an air pipe (8), two ends of the air pipe (8) are provided with openings, and the surface of the air pipe (8) is covered with a spiral cover (9).

6. The retractor according to claim 5, wherein: the surface of the air pipe (8) is processed with threads, the inner part of the screw cap (9) is processed with thread grooves, the thread grooves are matched with the thread shapes, and the air pipe (8) is in threaded connection with the screw cap (9).

7. The retractor according to claim 6, wherein: a pull wire (10) is connected between the spiral cover (9) and the air pipe (8).

8. The retractor according to claim 7, wherein: the circular ring (4) is in the same pattern as a clip.

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