CN114098857A

CN114098857A - Adjustable chest opener for thoracic surgery

Info

Publication number: CN114098857A
Application number: CN202111436856.XA
Authority: CN
Inventors: 王振华; 张立国
Original assignee: Xinxiang Central Hospital
Current assignee: Xinxiang Central Hospital
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-03-01

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to an adjustable chest opener for thoracic surgery, which comprises: the traction device comprises a fixed traction arm, a movable traction arm and a traction device, wherein the end part of one side of the fixed traction arm is fixedly connected with a sliding tooth handle; the movable retraction arm is connected with the sliding gear handle in a sliding manner, and an adjusting handle is arranged on the movable retraction arm; the traction device is respectively arranged on one side opposite to the fixed retraction arm and the movable retraction arm and comprises a winding drum, a traction rope is wound on the winding drum, and one end of the traction rope, far away from the winding drum, is connected with a traction hook; in order to solve the problem that tissues at a focus are inconvenient to pull in a thoracotomy, the traction device is arranged, so that the tissues such as pericardium and the like can be conveniently pulled, the working strength of an assistant is reduced, medical staff participating in the operation can be appropriately reduced, a larger operation space is provided for a main doctor, and the operation of the main doctor is facilitated.

Description

Adjustable chest opener for thoracic surgery

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an adjustable chest opener for thoracic surgery.

Background

The thoracotomy device is also called a draw hook, is used for retracting tissues, exposing the range needing operation, and is convenient for exploration and operation, and can be divided into two types, namely a handheld draw hook and an automatic draw hook. The retractor has various specifications of different shapes and sizes, and can be selected according to the operation requirement.

When performing surgery on internal organs in the thoracic cavity such as the heart, it is often necessary to perform the surgery by opening the chest, the skin of a patient needs to be incised during the surgery and the patient is spread by a thoracotomy device, then an assistant of a main surgeon pulls tissues near the organ to be operated so as to expose the organ, thereby facilitating the operation of the main surgeon.

In view of this, the present invention provides an adjustable chest opener for thoracic surgery, which solves the above technical problems.

Disclosure of Invention

In order to solve the defects of the existing thoracotomy device, the invention provides an adjustable thoracotomy device for thoracic surgery; through setting up draw gear, be convenient for pull tissues such as pericardium to alleviate assistant's working strength, thereby can suitably reduce and participate in operation medical personnel, and then for the main knife doctor provides great operating space, the main knife doctor of being convenient for operates, thereby need the assistant to pull the tissue constantly when having solved the operation, working strength is big, influences the problem of main knife doctor operation.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention discloses an adjustable chest opener for thoracic surgery, which comprises:

the end part of one side of the fixed retraction arm is fixedly connected with a sliding tooth handle;

the movable retracting arm is connected with the sliding tooth handle in a sliding mode, an adjusting handle is mounted on the movable retracting arm, and the adjusting handle is used for fixing the positions of the movable retracting arm and the sliding tooth handle;

draw gear, draw gear includes the casing, the casing is installed respectively fixed arm that leads open with the activity leads open one side that the arm is relative, it is connected with the pivot to rotate on the casing, be provided with the reel in the casing, the fixed cover of reel is established in the pivot, the winding has the haulage rope on the reel, the haulage rope is keeping away from the one end of reel is connected with the towing hook.

Preferably, one end of the rotating shaft is fixedly connected with a winding knob, one side, close to the winding drum, of the winding knob is fixedly connected with a clamping block, and a clamping groove clamped with the clamping block is formed in the shell.

Preferably, the traction device further comprises a coil spring, a partition plate is arranged in the shell, the coil spring and the winding drum are respectively placed on two sides of the partition plate, the coil spring is sleeved on the outer side of a rotating shaft of the winding drum, one end of the coil spring is fixedly connected with the rotating shaft of the coil spring, and the other end of the coil spring is fixedly connected with the shell of the traction device.

Preferably, the housing is rotatably connected with a guide roller at one side close to the winding drum.

Preferably, the traction hook comprises a hook and a limiting plate, the hook is connected with the limiting plate in a sliding mode, the limiting plate is provided with a limiting hole, and the tip end of the hook can be clamped with the limiting hole.

Preferably, a spring is sleeved at one end of the hook, which slides to the limit plate.

Preferably, the fixed retracting arm and the movable retracting arm are both connected with an extending retracting arm in a sliding mode, and the extending retracting arm is connected with an adjusting knob in a threaded mode.

Preferably, the fixed retracting arm and the movable retracting arm are provided with first sliding grooves on the upper side and the lower side of the traction device, and sliding strips clamped with the first sliding grooves are arranged on the upper side and the lower side of the shell.

Preferably, the extending and retracting arm is provided with a second sliding chute used for the sliding of the traction device at one side close to the traction device.

Preferably, a limiting block is arranged on the upper surface of the shell in the traction device, and a locking bolt is arranged on the limiting block and locks the traction device when in use.

The invention has the following beneficial effects:

1. according to the adjustable thoracotomy device for thoracic surgery, the traction device is arranged, so that tissues such as pericardium and the like can be conveniently pulled, the working strength of an assistant is reduced, medical personnel involved in surgery can be properly reduced, a larger operation space is provided for a main doctor, and the operation of the main doctor is facilitated.

2. According to the adjustable chest opener for thoracic surgery, the winding knob is arranged, the winding knob is rotated to drive the winding drum to rotate, the traction rope is convenient to wind, the winding knob is pressed after the traction rope is wound, the clamping block is clamped with the clamping groove, the winding knob cannot rotate, the pericardium is stably pulled by the pulling device, the phenomenon that the winding drum rotates due to pericardium pulling is avoided, the pericardium covers the heart again, the sight of a doctor is shielded, and therefore the normal operation is guaranteed.

3. According to the adjustable chest opener for thoracic surgery, the traction hook is hooked on tissues such as pericardium and the like through the coil spring, the traction rope is slowly released, the coil spring resets at the moment, the winding drum is driven to rotate, so that the traction rope is automatically wound on the winding drum, and after the traction rope reaches a proper length, the winding knob is pressed to enable the clamping block to be clamped with the clamping groove, so that the traction device is fixed, the traction rope is automatically wound, the operation is convenient, and the efficiency of medical personnel is improved.

4. According to the adjustable chest opener for thoracic surgery, the limiting plate is arranged, the tip end of the hook is clamped into the limiting hole, so that a pulled tissue is firmly locked on the traction hook, the traction stability is ensured, the hook is protected by clamping the hook into the limiting hole, medical workers are not easily injured, infection is caused, and the use safety is improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

in the figure: 1. fixing the retracting arm; 11. a sliding gear handle; 12. a first chute; 13. a wire slot; 2. a movable retracting arm; 21. an adjusting handle; 3. a traction device; 31. a reel; 32. a hauling rope; 33. a towing hook; 331. hooking; 332. a limiting plate; 333. a limiting hole; 334. a spring; 34. a knob is wound; 341. a clamping block; 35. a card slot; 36. a coil spring; 37. a guide roller; 4. extending the retractor arm; 41. adjusting a knob; 42. a second chute; 5. a limiting block; 6. and locking the bolt.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the adjustable chest opener for thoracic surgery of the present invention comprises:

the fixed retracting arm 1 is characterized in that the end part of one side of the fixed retracting arm 1 is fixedly connected with a sliding tooth handle 11;

the movable retracting arm 2 is connected with the sliding gear handle 11 in a sliding mode, an adjusting handle 21 is mounted on the movable retracting arm 2, and the adjusting handle 21 is used for fixing the positions of the movable retracting arm 2 and the sliding gear handle 11;

the traction device 3 comprises a shell, the shell is respectively installed on one side, opposite to the fixed retraction arm 1 and the movable retraction arm 2, a rotating shaft is connected to the shell in a rotating mode, a winding drum 31 is arranged in the shell, the winding drum 31 is fixedly sleeved on the rotating shaft, a traction rope 32 is wound on the winding drum 31, and one end, far away from the winding drum 31, of the traction rope 32 is connected with a traction hook 33;

when a surgical operation is performed on the heart, a chest is often required to perform the operation, the pericardium on the outer side of the heart needs to be cut during the operation and needs to be pulled to the heart, so that a main surgeon performs the operation conveniently, the pericardium is pulled by an operation forceps or a thread rope for assisting hands, an assistant needs to keep the wide operation visual field of the main surgeon during the pulling, a large psychological burden and a large physical burden are caused to the assistant, and the operation of the main surgeon is hindered by the assistant during the pulling, so that the operation progress is influenced;

in the invention, through arranging the traction device 3, when the heart is operated, the skin of a patient is incised, the fixed distraction arm 1 and the movable distraction arm 2 of the thoracotomy device are placed at the incision part, the adjusting handle 21 is screwed to ensure that the movable distraction arm 2 slides on the sliding tooth handle 11, the movable distraction arm 2 is gradually far away from the fixed distraction arm 1, the incision part of the patient is distracted, the chest cavity of the patient is opened, then the pericardium at the outer side of the heart of the patient is incised, the edge of the pericardium is hung on the traction hook 33 of the traction device 3, then the traction rope 32 is wound by rotating the winding drum 31, the pericardium is respectively dragged to one side of the fixed distraction arm 1 and one side of the movable distraction arm 2, so that the heart is exposed in the visual field of a doctor, thereby facilitating the operation of the doctor, through arranging the traction device 3, the traction of tissues such as the pericardium is facilitated, thereby the working strength of an assistant is reduced, thereby can suitably reduce and participate in the medical personnel of performing the operation, and then provide great operating space for the main sword doctor, be convenient for the main sword doctor to perform the operation.

As an embodiment of the present invention, one end of the rotating shaft is fixedly connected to a winding knob 34, one side of the winding knob 34 close to the winding drum 31 is fixedly connected to a clamping block 341, and the housing is provided with a clamping groove 35 clamped with the clamping block 341; during the operation, through setting up rolling knob 34, when the pericardium is hung to towing hook 33, thereby rotatory rolling knob 34 drives reel 31 and rotates, thereby rolling haulage rope 32, be convenient for rolling haulage rope 32, rolling haulage rope 32 accomplishes the back, press rolling knob 34, make rolling knob 34 along the axial displacement of reel 31's pivot, thereby make fixture block 341 and draw-in groove 35 block, thereby fix rolling knob 34, make rolling knob 34 can not change, thereby make the pericardium by the stable traction of draw gear 3 live, avoid the pericardium to pull and make reel 31 gyration, make the pericardium cover the heart again, shelter from main sword doctor's sight, thereby guarantee to perform normally.

As an embodiment of the present invention, the traction device 3 further includes a coil spring 36, a partition is disposed in the housing, the coil spring 36 and the winding drum 31 are respectively disposed on two sides of the partition, the coil spring 36 is sleeved on an outer side of a rotating shaft of the winding drum 31, one end of the coil spring 36 is fixedly connected to the rotating shaft of the coil spring 36, and the other end of the coil spring 36 is fixedly connected to the housing of the traction device 3; during the operation, through setting up wind spring 36, when tissues such as the pericardium need to be pull, thereby pulling haulage hook 33 pulling haulage rope 32, it rotates to drive reel 31, reel 31 drives wind spring 36 through the pivot and crimps, hang haulage hook 33 back on tissues such as the pericardium, slowly release haulage rope 32, wind spring 36 resets this moment, it rotates to drive reel 31, thereby make haulage rope 32 automatic winding reel 31 on, after reaching suitable length, press rolling knob 34 and make fixture block 341 and draw-in groove 35 block, thereby fix draw gear 3, through wind spring 36, be convenient for to haulage rope 32 automatic winding, and the operation is convenient for, and medical personnel's efficiency is improved, the baffle makes haulage rope 32 difficult winding on wind spring 36.

As an embodiment of the present invention, a guide roller 37 is rotatably connected to the housing on a side close to the winding drum 31; during the operation, through setting up deflector roll 37, when pulling out haulage rope 32 or rolling haulage rope 32, haulage rope 32 is drawn across on deflector roll 37, reduces the friction of haulage rope 32 and coiling mechanism to reduce the wearing and tearing of haulage rope 32, make haulage rope 32 difficult fracture at the in-process that uses, guarantee tractive stability, thereby guarantee the operation field of vision that the main knife doctor is open, and then guarantee the normal clear of operation.

As an embodiment of the present invention, the towing hook 33 includes a hook 331 and a limit plate 332, the hook 331 is slidably connected to the limit plate 332, the limit plate 332 is provided with a limit hole 333, and a tip of the hook 331 can be engaged with the limit hole 333; during operation, by arranging the limit plate 332, when the traction hook 33 is hung on tissues needing traction, such as pericardium and the like, in an initial state, the tip end of the hook 331 is clamped in the limit hole 333, the sliding end of the hook 331 is pressed, so that the tip end of the hook 331 is separated from the limit hole 333, the tissues needing traction, such as pericardium and the like, are hung on the hook 331, the arc section of the hook 331 is pressed again, the hook 331 slides relative to the limit plate 332, then the tip end of the hook 331 is clamped in the limit hole 333, so that the pulled tissues are firmly locked on the traction hook 33, the traction stability is ensured, the hook 331 is clamped in the limit hole 333 to protect the hook 331, medical personnel is not easy to be injured, infection is caused, and the use safety is improved.

As an embodiment of the present invention, a spring 334 is sleeved on one end of the hook 331 sliding with the limit plate 332; during the operation, through setting up spring 334, when preparing to hang the tissue on towing hook 33, press the one end that spring 334 was established to couple 331 cover, spring 334 is compressed, rotatory couple 331, hang the tissue on couple 331, again with couple 331 rotatory reset, then loosen couple 331 slowly, spring 334 resets this moment and makes couple 331 and spacing hole 333 block, it is fixed to organize, through setting up spring 334, reduce medical personnel and couple 331 point contact, thereby reduce injured possibility, the security of using is improved, and make couple 331 automatic block, be convenient for medical personnel to use, and then improve medical personnel's efficiency.

As an embodiment of the present invention, the fixed retracting arm 1 and the movable retracting arm 2 are both slidably connected with an extending retracting arm 4, and the extending retracting arm 4 is threadedly connected with an adjusting knob 41; during the operation, extend and draw open arm 4 through the setting, when the great thorax opening of needs expansion, the adjust knob 41 on the extension draw open arm 4 is unscrewed, the pulling extends and draws open arm 4 and slides on fixed draw open arm 1 or activity draw open arm 2, make to extend and draw open arm 4 and extend to suitable length, screw the adjustment handle 21 afterwards, thereby strut bigger thorax opening, be convenient for adjust according to the operation requirement and strut thorax open-ended size, thereby provide suitable operation field of vision convenient to use for the doctor of the main knife.

As an embodiment of the present invention, the fixed retracting arm 1 and the movable retracting arm 2 are provided with first sliding grooves 12 on upper and lower sides of the traction device 3, and the upper and lower sides of the housing are provided with sliding strips engaged with the first sliding grooves 12; during the operation, through setting up first spout 12 and draw bar, when drawing the tissue of different positions, can slide draw gear 3 according to the position of tissue for the draw bar slides in first spout 12, thereby makes draw gear 3 slide on fixed arm 1 or the activity arm 2 that leads, thereby adjusts draw gear 3's position, makes the tissue of being convenient for draw different positions, convenient to use.

As an embodiment of the present invention, the extending and retracting arm 4 is provided with a second sliding groove 42 at a side close to the traction device 3 for the traction device 3 to slide; during the operation, through setting up second spout 42, second spout 42 is the same with first spout 12 structure, the draw runner both can drive the casing in draw gear 3 and slide in first spout 12, can drive the casing that drives in draw gear 3 again and slide in second spout 42, when needs strut great thorax opening, thereby the tensile extension is drawn arm 4 and is adapted to the leading out of big open-ended, draw gear 3 can slide in first spout 12 and second spout 42 promptly, increase draw gear 3's home range, thereby can be applicable to more traction demands, convenient operation uses.

As an embodiment of the invention, a limiting block 5 is arranged on the upper surface of a shell in the traction device 3, a locking bolt 6 is arranged on the limiting block 5, and the locking bolt 6 locks the traction device 3 when in use; during the use, when medical personnel is operating the patient, wound size according to the patient, adjust the chest opener, make the chest opener support patient wound, when adjusting the completion back, medical personnel pulls patient's pericardium through control draw gear 3, make the pericardium avoid blockking medical personnel and perform the operation, pull the completion back when medical personnel to the pericardium, medical personnel rotates locking bolt 6, make locking bolt 6 lock the casing in to draw gear 3, thereby when avoiding medical personnel to perform the operation, draw gear 3 slides in first spout 12 or second spout 42, thereby ensured when performing the operation to the patient, draw gear 3's stability.

The specific working process is as follows:

during surgery, by arranging the traction device 3, when the heart is subjected to surgery, the skin of a patient is incised, the fixed distraction arm 1 and the movable distraction arm 2 of the thoracotomy device are placed at the incision part, the adjusting handle 21 is screwed to enable the movable distraction arm 2 to slide on the sliding tooth handle 11, the movable distraction arm 2 is gradually far away from the fixed distraction arm 1, the incision part of the patient is distracted, the chest cavity of the patient is opened, the pericardium at the outer side of the heart of the patient is incised, the edge of the pericardium is hung on a traction hook 33 of the traction device 3, then a winding drum 31 is rotated to wind a traction rope 32, the pericardium is respectively dragged to one side of the fixed distraction arm 1 and one side of the movable distraction arm 2, so that the heart is exposed in the visual field of a doctor, and the surgery of the doctor is facilitated; by arranging the winding knob 34, when the hook 331 is hung on the pericardium, the winding knob 34 is rotated to drive the winding drum 31 to rotate, so that the traction rope 32 is wound, the traction rope 32 is convenient to wind, and after the traction rope 32 is wound, the winding knob 34 is pressed to enable the winding knob 34 to move along the axial direction of the rotating shaft of the winding drum 31, so that the clamping block 341 is clamped with the clamping groove 35, the winding knob 34 is fixed, the winding knob 34 cannot rotate, the pericardium is stably pulled by the traction device 3, and the winding drum 31 is prevented from rotating due to the traction of the pericardium; by arranging the coil spring 36, when tissues such as pericardium and the like need to be pulled, the traction hook 33 is pulled to pull the traction rope 32, the winding drum 31 is driven to rotate, the winding drum 31 drives the coil spring 36 to be wound and contracted through the rotating shaft, after the traction hook 33 is hung on the tissues such as pericardium and the like, the traction rope 32 is slowly released, the coil spring 36 is reset at the moment, the winding drum 31 is driven to rotate, so that the traction rope 32 is automatically wound on the winding drum 31, after the traction rope reaches a proper length, the winding knob 34 is pressed to clamp the clamping block 341 with the clamping groove 35, the traction device 3 is fixed, the traction rope 32 is conveniently and automatically wound through the coil spring 36, the operation is convenient, and the efficiency of medical personnel is improved; by providing the guide roller 37, when the pulling rope 32 is pulled out or the pulling rope 32 is wound up, the pulling rope 32 passes over the guide roller 37, so that friction between the pulling rope 32 and the winding device is reduced, and abrasion of the pulling rope 32 is reduced.

The front, the back, the left, the right, the upper and the lower are based on the observation angle of the person, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in fig. 1, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be taken as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable chest opener for thoracic surgery, comprising:

the device comprises a fixed retracting arm (1), wherein the end part of one side of the fixed retracting arm (1) is fixedly connected with a sliding toothed handle (11);

the movable retracting arm (2) is connected with the sliding gear handle (11) in a sliding mode, an adjusting handle (21) is mounted on the movable retracting arm (2), and the adjusting handle (21) is used for fixing the positions of the movable retracting arm (2) and the sliding gear handle (11);

draw gear (3), draw gear (3) include the casing, the casing is installed respectively fixed arm (1) that leads open with the activity leads open one side that arm (2) are relative, it is connected with the pivot to rotate on the casing, be provided with reel (31) in the casing, the fixed cover of reel (31) is established in the pivot, the winding has haulage rope (32) on reel (31), haulage rope (32) are keeping away from the one end of reel (31) is connected with towing hook (33).

2. The adjustable chest opener for thoracic surgery of claim 1, wherein: one end of the rotating shaft is fixedly connected with a winding knob (34), one side, close to the winding drum (31), of the winding knob (34) is fixedly connected with a clamping block (341), and a clamping groove (35) clamped with the clamping block (341) is formed in the shell.

3. The adjustable thoracotomy device for thoracic surgery of claim 2, wherein: draw gear (3) still include wind spring (36), be provided with the baffle in the casing, wind spring (36) with reel (31) are placed respectively in the baffle both sides, wind spring (36) cover is established the pivot outside of reel (31), wind spring (36) one end with the pivot of wind spring (36) links firmly, the other end of wind spring (36) with the casing of draw gear (3) links firmly.

4. The adjustable chest opener for thoracic surgery of claim 3, wherein: the shell is rotatably connected with a guide roller (37) at one side close to the winding drum (31).

5. The adjustable chest opener for thoracic surgery of claim 4, wherein: draw hook (33) including couple (331) and limiting plate (332), couple (331) with limiting plate (332) sliding connection, limiting hole (333) have been seted up to limiting plate (332), couple (331) most advanced can with limiting hole (333) block.

6. The adjustable chest opener for thoracic surgery of claim 5, wherein: and a spring (334) is sleeved at one end of the hook (331) and the limiting plate (332) in a sliding manner.

7. The adjustable chest opener for thoracic surgery of any one of claims 1-6, wherein: the fixed retracting arm (1) and the movable retracting arm (2) are both connected with an extending retracting arm (4) in a sliding mode, and the extending retracting arm (4) is connected with an adjusting knob (41) in a threaded mode.

8. The adjustable thoracotomy device for thoracic surgery of claim 7, wherein: the fixed retracting arm (1) and the movable retracting arm (2) are arranged on the upper side and the lower side of the traction device (3) and are provided with first sliding grooves (12), and sliding strips clamped with the first sliding grooves (12) are arranged on the upper side and the lower side of the shell.

9. The adjustable thoracotomy device for thoracic surgery of claim 8, wherein: and a second sliding groove (42) used for the traction device (3) to slide is formed in one side, close to the traction device (3), of the extension and retraction arm (4).

10. The adjustable thoracotomy device for thoracic surgery of claim 9, wherein: the shell upper surface in draw gear (3) is provided with stopper (5), be provided with locking bolt (6) on stopper (5), locking bolt (6) are locked draw gear (3) when using.